/* ==========================================================================
   Matin Hatami Portfolio — Style Sheet (Clean White & Blue Minimal Apple Style)
   Theme: Signature Electric Blue & Crisp White (Seyed Amin Hosseini Aesthetic)
   ========================================================================== */

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

::selection {
  background: rgba(0, 118, 223, 0.22);
  color: #005bab;
}

::-moz-selection {
  background: rgba(0, 118, 223, 0.22);
  color: #005bab;
}

:root {
  --bg-primary: #fbfbfd;
  --bg-secondary: #f4f6fa;
  --bg-card: #ffffff;
  --border-color: #e5e5ea;
  --border-hover: #0076df;
  --accent-blue: #0076df;
  --accent-blue-deep: #005bab;
  --accent-blue-soft: rgba(0, 118, 223, 0.08);
  --gradient-main: linear-gradient(135deg, #0076df 0%, #005bab 100%);
  --text-main: #151518;
  --text-muted: #6e6e73;
  --text-subtle: #86868b;
  --shadow-sm: 0 4px 15px rgba(0, 30, 65, 0.04);
  --shadow-md: 0 10px 30px rgba(0, 30, 65, 0.07);
  --shadow-lg: 0 18px 45px rgba(0, 30, 65, 0.1);
  --radius-header: 12px;
  --radius-card: 16px;
}

body {
  font-family: Inter, 'Segoe UI', Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-main);
  overflow-x: hidden;
  min-height: 100vh;
  padding-top: 100px;
  line-height: 1.6;
}

/* ==========================================================================
   IRANYekan ExtraBold Font for Persian (فونت ایران‌یکان اکسترا بولد برای فارسی)
   ========================================================================== */
@font-face {
  font-family: 'IRANYekan';
  font-style: normal;
  font-weight: normal;
  font-display: swap;
  src: url('../font/IRANYekanWebExtraBold.woff2') format('woff2'),
       url('../font/IRANYekanWebExtraBold.woff') format('woff'),
       url('../font/IRANYekanWebExtraBold.ttf') format('truetype');
}

@font-face {
  font-family: 'IRANYekan';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../font/IRANYekanWebExtraBold.woff2') format('woff2'),
       url('../font/IRANYekanWebExtraBold.woff') format('woff'),
       url('../font/IRANYekanWebExtraBold.ttf') format('truetype');
}

@font-face {
  font-family: 'IRANYekan';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('../font/IRANYekanWebExtraBold.woff2') format('woff2'),
       url('../font/IRANYekanWebExtraBold.woff') format('woff'),
       url('../font/IRANYekanWebExtraBold.ttf') format('truetype');
}

/* Persian / RTL Font and Layout (IRANYekan ExtraBold) */
html[dir="rtl"] body,
html[lang="fa"] body,
html[dir="rtl"] input,
html[dir="rtl"] textarea,
html[dir="rtl"] button,
html[dir="rtl"] select,
html[lang="fa"] input,
html[lang="fa"] textarea,
html[lang="fa"] button,
html[lang="fa"] select {
  font-family: 'IRANYekan', -apple-system, BlinkMacSystemFont, Tahoma, sans-serif;
  font-weight: 800;
  direction: rtl;
  text-align: right;
}

/* Keep Persian numerals in the bundled typeface, including compact UI labels. */
html[lang="fa"],
html[lang="fa"] body,
html[lang="fa"] .journey-index,
html[lang="fa"] .technology-category-index,
html[lang="fa"] .technology-item small,
html[lang="fa"] .hero-footer,
html[lang="fa"] .footer-copy {
  --mono: 'IRANYekan', Tahoma, sans-serif;
  font-family: 'IRANYekan', Tahoma, sans-serif;
  font-variant-numeric: normal;
  font-feature-settings: "locl" 1;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
  width: 7px;
}
::-webkit-scrollbar-track {
  background: #fbfbfd;
}
::-webkit-scrollbar-thumb {
  background: rgba(0, 118, 223, 0.3);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-blue);
}

/* Background & Floating Particles (Soft Blue Particles that disappear at top) */
.background-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

.background-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 15% 15%, rgba(0, 118, 223, 0.05) 0%, transparent 55%),
              radial-gradient(circle at 85% 75%, rgba(0, 118, 223, 0.04) 0%, transparent 50%),
              linear-gradient(180deg, #fbfbfd 0%, #f4f6fa 100%);
}

.particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 3.5px;
  height: 3.5px;
  background: rgba(0, 118, 223, 0.45);
  border-radius: 50%;
  animation: floatUpFade 18s infinite linear;
  box-shadow: 0 0 6px rgba(0, 118, 223, 0.35);
}

/* Keyframe for floating particles: start at bottom, rise up, fade completely before top */
@keyframes floatUpFade {
  0% {
    transform: translateY(105vh) scale(0.6);
    opacity: 0;
  }
  15% {
    opacity: 0.85;
    transform: translateY(85vh) scale(1);
  }
  50% {
    opacity: 0.65;
    transform: translateY(50vh) scale(1.1);
  }
  75% {
    opacity: 0.3;
    transform: translateY(25vh) scale(0.9);
  }
  90% {
    opacity: 0.08;
    transform: translateY(10vh) scale(0.7);
  }
  100% {
    transform: translateY(-2vh) scale(0.4);
    opacity: 0;
  }
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* ===== Header Styles (Clean Rectangular Header without top blue bar) ===== */
.site-header {
  width: 100%;
  position: fixed;
  top: 15px;
  left: 0;
  right: 0;
  z-index: 1000;
  animation: fadeInDown 0.8s ease-out;
  padding: 0 20px;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-header);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 20px rgba(0, 30, 65, 0.05);
  position: relative;
}

/* Logo */
.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--text-main);
  transition: transform 0.25s ease;
}

.header-logo:hover {
  transform: scale(1.02);
}

.header-logo .logo-icon-box {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-main);
  border-radius: 8px;
  font-size: 1.1rem;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 118, 223, 0.3);
}

.site-logo-img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  border-radius: 8px;
  display: block;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 30, 65, 0.08);
  background: #ffffff;
}

.header-logo > span { display: none; }

/* Navigation Links */
.header-nav {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-link {
  position: relative;
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  padding: 7px 12px;
  border-radius: 8px;
  transition: all 0.2s ease;
  font-size: 0.92rem;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-blue);
  background: var(--accent-blue-soft);
}

/* Header Right Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Segmented Language Switcher (Clear EN / FA indication) */
.lang-switch-group {
  display: inline-flex;
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 3px 5px;
  gap: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}

.lang-switch-group .lang-opt {
  padding: 4px 10px;
  border-radius: 14px;
  text-decoration: none;
  color: var(--text-muted);
  transition: all 0.2s ease;
  line-height: 1;
}

.lang-switch-group .lang-opt.active {
  background: var(--gradient-main);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 118, 223, 0.3);
  cursor: default;
}

.lang-switch-group a.lang-opt:hover {
  color: var(--accent-blue);
  background: var(--accent-blue-soft);
}

.lang-switch-group .lang-sep {
  color: var(--border-color);
  font-size: 0.75rem;
  user-select: none;
}

.lang-switch-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 13px;
  background: var(--accent-blue-soft);
  border: 1px solid rgba(0, 118, 223, 0.2);
  color: var(--accent-blue);
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.lang-switch-btn:hover {
  background: var(--accent-blue);
  color: #ffffff;
}

.admin-header-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 13px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.admin-header-btn:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 16px;
  background: var(--gradient-main);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: 0 3px 12px rgba(0, 118, 223, 0.25);
}

.nav-cta-btn:hover {
  background: var(--accent-blue-deep);
  box-shadow: 0 5px 16px rgba(0, 118, 223, 0.4);
}

/* Mobile Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2.5px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ===== Typography & Gradients ===== */
.gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-main);
  text-align: center;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  letter-spacing: -0.02em;
}

.section-title i {
  font-size: 1.8rem;
  color: var(--accent-blue);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  text-align: center;
  max-width: 680px;
  margin: -5px auto 35px auto;
  line-height: 1.7;
}

/* ===== Hero Section ===== */
.hero-section {
  padding: 45px 0 65px;
  text-align: center;
  position: relative;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  animation: fadeInUp 1s ease-out;
}

.hero-avatar-wrapper {
  position: relative;
  width: 175px;
  height: 175px;
  margin: 0 auto 28px auto;
}

.hero-avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid #ffffff;
  box-shadow: 0 10px 35px rgba(0, 118, 223, 0.22);
  position: relative;
  z-index: 2;
  transition: transform 0.4s ease;
}

.hero-avatar-wrapper:hover .hero-avatar-img {
  transform: scale(1.04);
}

.hero-avatar-glow {
  position: absolute;
  top: -8px;
  left: -8px;
  right: -8px;
  bottom: -8px;
  border-radius: 50%;
  background: var(--gradient-main);
  opacity: 0.35;
  filter: blur(16px);
  animation: pulseGlow 3s infinite alternate;
  z-index: 1;
}

@keyframes pulseGlow {
  0% { transform: scale(0.96); opacity: 0.25; }
  100% { transform: scale(1.06); opacity: 0.5; }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  background: var(--accent-blue-soft);
  border: 1px solid rgba(0, 118, 223, 0.2);
  border-radius: 30px;
  font-size: 0.9rem;
  color: var(--accent-blue);
  font-weight: 500;
  margin-bottom: 20px;
}

.hero-badge i {
  color: #34c759;
  font-size: 0.65rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 18px;
  letter-spacing: -0.03em;
  color: var(--text-main);
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 30px;
  max-width: 740px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

/* Hero Tech Stack Pills */
.hero-tech-pills {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 35px;
}

.hero-tech-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: #ffffff;
  border: 1px solid rgba(0, 118, 223, 0.15);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-main);
  box-shadow: 0 2px 8px rgba(0, 30, 65, 0.03);
  transition: all 0.25s ease;
}

.hero-tech-pill i {
  color: var(--accent-blue);
}

.hero-tech-pill:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0, 118, 223, 0.15);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

/* CTA & Secondary Buttons */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 30px;
  background: var(--gradient-main);
  color: #ffffff;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.25s ease;
  box-shadow: 0 5px 20px rgba(0, 118, 223, 0.3);
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  transform: translateY(-2px);
  background: var(--accent-blue-deep);
  box-shadow: 0 8px 25px rgba(0, 118, 223, 0.45);
}

.secondary-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  background: #ffffff;
  border: 1px solid rgba(0, 118, 223, 0.25);
  color: var(--accent-blue);
  text-decoration: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-sm);
}

.secondary-button:hover {
  background: var(--accent-blue-soft);
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

/* ===== Video Section (Apple Clean Showcase) ===== */
.about-video-section,
.video-showcase-container {
  margin: 35px 0 55px;
  position: relative;
  width: 100%;
}

.video-container {
  position: relative;
  width: 100%;
}

.video-wrapper,
.about-video {
  position: relative;
  width: 100%;
  height: 440px;
  min-height: 400px;
  max-height: 520px;
  background-size: cover;
  background-position: center;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 30, 65, 0.1);
  border: 1px solid rgba(0, 118, 223, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #0b1e36;
}

.video-wrapper video,
.about-video video {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.video-container.playing .video-wrapper video,
.video-container.playing video,
.about-video.playing video {
  display: block;
  z-index: 5;
}

.video-overlay-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(11, 30, 54, 0.62) 0%, rgba(0, 118, 223, 0.28) 100%);
  z-index: 2;
  pointer-events: none;
}

.video-container.playing .video-overlay-gradient,
.video-container.playing .play-button,
.video-container.playing .video-caption {
  display: none;
}

.play-button {
  position: relative;
  z-index: 4;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: #ffffff;
  color: var(--accent-blue);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.play-button i {
  margin-left: 4px;
}

html[dir="rtl"] .play-button i {
  margin-left: 0;
  margin-right: 4px;
}

.play-button:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 35px rgba(0, 118, 223, 0.5);
}

.video-caption {
  position: absolute;
  bottom: 25px;
  left: 30px;
  right: 30px;
  color: #ffffff;
  z-index: 4;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  pointer-events: none;
}

.video-caption h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.video-caption p {
  font-size: 0.9rem;
  opacity: 0.9;
}

.video-badge {
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* ===== Content Cards & Sections ===== */
.content-section {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  padding: 40px;
  margin-bottom: 40px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  animation: fadeInUp 0.8s ease-out;
  position: relative;
}

/* 3-Column Projects Grid (Exact 3 items per row) */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 30px;
}

@media (max-width: 992px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 650px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

/* Coming Soon Empty State for Projects */
.coming-soon-card {
  grid-column: 1 / -1;
  text-align: center;
  padding: 65px 25px;
  background: #ffffff;
  border: 1.5px dashed var(--border-color);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 15px 0;
}

.coming-soon-icon {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--accent-blue-soft);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.9rem;
  margin-bottom: 6px;
}

.coming-soon-card h2 {
  font-size: 1.35rem;
  color: var(--text-main);
  font-weight: 700;
}

.coming-soon-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 480px;
  line-height: 1.6;
}

.project-card {
  background: #ffffff;
  border-radius: 14px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  position: relative;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-blue);
  box-shadow: 0 14px 35px rgba(0, 118, 223, 0.12);
}

.project-img-wrap {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
  background: var(--bg-secondary);
}

.project-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card:hover .project-img-wrap img {
  transform: scale(1.05);
}

.project-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.project-tag {
  font-size: 0.75rem;
  background: var(--accent-blue-soft);
  color: var(--accent-blue);
  padding: 3px 10px;
  border-radius: 12px;
  font-weight: 600;
}

.project-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}

.project-link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--accent-blue-soft);
  color: var(--accent-blue);
  border: 1px solid rgba(0, 118, 223, 0.2);
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.project-link-btn:hover {
  background: var(--accent-blue);
  color: #ffffff;
}

/* Admin Panel Styles */
.admin-card {
  max-width: 760px;
  margin: 0 auto;
}

.admin-field {
  margin-bottom: 20px;
}

.admin-field label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-main);
}

.admin-field input,
.admin-field textarea,
.admin-field select {
  width: 100%;
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: #fbfbfd;
  font-family: inherit;
  font-size: 0.95rem;
}

.admin-field input:focus,
.admin-field textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  background: #ffffff;
}

.image-preview-box {
  width: 100%;
  height: 180px;
  border: 2px dashed var(--border-color);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 10px;
  overflow: hidden;
  background: var(--bg-secondary);
}

.image-preview-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Features Grid */
.features-grid,
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.feature-card,
.tool-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 28px 22px;
  text-align: center;
  transition: all 0.3s ease;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.feature-card::before,
.tool-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-main);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover,
.tool-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-blue);
  box-shadow: 0 14px 35px rgba(0, 118, 223, 0.12);
}

.feature-card:hover::before,
.tool-card:hover::before {
  opacity: 1;
}

.feature-card i,
.tool-card i {
  font-size: 2.5rem;
  color: var(--accent-blue);
  margin-bottom: 16px;
}

.feature-card h3,
.tool-card h3 {
  font-size: 1.25rem;
  color: var(--text-main);
  margin-bottom: 10px;
  font-weight: 600;
}

.feature-card p,
.tool-card p {
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 0.92rem;
}

/* 4-Card Value Highlights (Clean, without percentages!) */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 22px;
  margin-top: 25px;
}

.value-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 26px 20px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.value-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-blue);
  box-shadow: 0 12px 28px rgba(0, 118, 223, 0.1);
}

.value-card .value-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: var(--accent-blue-soft);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 16px auto;
}

.value-card h3 {
  font-size: 1.15rem;
  color: var(--text-main);
  margin-bottom: 8px;
}

.value-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* 3-column principles */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.principle-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 28px;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.principle-card:hover {
  border-color: var(--accent-blue);
  box-shadow: 0 12px 30px rgba(0, 118, 223, 0.1);
  transform: translateY(-4px);
}

.principle-card .principle-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: var(--accent-blue-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: var(--accent-blue);
  margin-bottom: 16px;
}

.principle-card h3 {
  font-size: 1.2rem;
  color: var(--text-main);
  margin-bottom: 10px;
}

.principle-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* Clean Skills Matrix (Without Percentages!) */
.skills-category-group {
  margin-bottom: 40px;
}

.skills-category-title {
  font-size: 1.5rem;
  color: var(--text-main);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--accent-blue-soft);
}

.skills-category-title i {
  color: var(--accent-blue);
  font-size: 1.4rem;
}

.skill-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.skill-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 22px;
  transition: all 0.25s ease;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.skill-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-blue);
  box-shadow: 0 10px 25px rgba(0, 118, 223, 0.1);
}

.skill-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.skill-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.skill-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  background: var(--accent-blue-soft);
  color: var(--accent-blue);
}

.skill-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
}

.skill-tag-pill {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 12px;
  background: var(--accent-blue-soft);
  color: var(--accent-blue);
}

.skill-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* About Banner (Full image dimensions, responsive, no overlay or text) */
.about-banner {
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 35px;
  box-shadow: 0 10px 30px rgba(0, 30, 65, 0.08);
  border: 1px solid var(--border-color);
  background: #ffffff;
  animation: fadeInUp 0.8s ease-out;
}

.about-banner-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

.about-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 35px;
  align-items: start;
}

.about-photo-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 22px;
  text-align: center;
  position: sticky;
  top: 110px;
  box-shadow: var(--shadow-sm);
}

.about-photo-wrapper {
  width: 100%;
  height: 300px;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 18px;
  border: 3px solid var(--accent-blue);
  box-shadow: 0 6px 20px rgba(0, 118, 223, 0.2);
}

.about-photo-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-photo-card h3 {
  font-size: 1.35rem;
  color: var(--text-main);
  margin-bottom: 4px;
}

.about-photo-card .role-title {
  color: var(--accent-blue);
  font-size: 0.92rem;
  margin-bottom: 12px;
  font-weight: 500;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 15px;
}

.social-links a {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  transition: all 0.2s ease;
  text-decoration: none;
}

.social-links a:hover {
  background: var(--accent-blue);
  color: #ffffff;
  border-color: var(--accent-blue);
}

.about-bio-text {
  font-size: 1rem;
  color: #3a3a3c;
  line-height: 1.85;
  margin-bottom: 20px;
}

.highlight-box {
  background: var(--accent-blue-soft);
  border-left: 4px solid var(--accent-blue);
  padding: 18px;
  border-radius: 8px;
  margin: 20px 0;
  font-size: 0.95rem;
  color: var(--text-main);
}

html[dir="rtl"] .highlight-box {
  border-left: none;
  border-right: 4px solid var(--accent-blue);
}

/* Journey Steps */
.journey-steps {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 22px;
}

.step-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: #ffffff;
  padding: 22px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-blue);
  transition: transform 0.25s ease;
  box-shadow: var(--shadow-sm);
}

html[dir="rtl"] .step-card {
  border-left: 1px solid var(--border-color);
  border-right: 4px solid var(--accent-blue);
}

.step-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-blue);
}

.step-number {
  min-width: 46px;
  height: 46px;
  background: var(--gradient-main);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  flex-shrink: 0;
}

.step-content h3 {
  font-size: 1.15rem;
  color: var(--text-main);
  margin-bottom: 6px;
}

.step-content p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.step-tags {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.step-tags span {
  font-size: 0.78rem;
  background: var(--accent-blue-soft);
  color: var(--accent-blue);
  padding: 3px 8px;
  border-radius: 8px;
}

/* ===== Contact Page (Clean Apple Style) ===== */
.contact-grid,
.contact-wrapper {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 30px;
  align-items: start;
}

.contact-form-card,
.contact-form-container {
  background: #ffffff;
  border-radius: var(--radius-card);
  padding: 35px 30px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  position: relative;
}

/* Blurred contact form with 'Coming Soon' overlay */
.contact-form-card.blurred-state {
  position: relative;
  overflow: hidden;
}

.contact-form-card.blurred-state form {
  filter: blur(4px);
  opacity: 0.35;
  pointer-events: none;
  user-select: none;
}

.contact-form-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(3px);
  z-index: 10;
  padding: 30px 20px;
  text-align: center;
}

.contact-form-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  background: var(--gradient-main);
  color: #ffffff;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: 0 8px 25px rgba(0, 118, 223, 0.35);
  margin-bottom: 12px;
}

.contact-form-overlay p {
  color: var(--text-main);
  font-size: 0.95rem;
  font-weight: 600;
  max-width: 300px;
  line-height: 1.6;
}

.contact-info-card {
  background: #ffffff;
  border-radius: var(--radius-card);
  padding: 35px 30px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.form-group,
.input-group {
  margin-bottom: 20px;
  text-align: left;
}

html[dir="rtl"] .form-group,
html[dir="rtl"] .input-group,
html[lang="fa"] .form-group,
html[lang="fa"] .input-group {
  text-align: right;
}

.form-group label,
.input-group label {
  display: block;
  font-weight: 600;
  color: var(--text-main);
  font-size: 0.92rem;
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select,
.input-group input,
.input-group textarea,
.input-group select {
  width: 100%;
  padding: 13px 16px;
  background: #fbfbfd;
  border: 1.5px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.94rem;
  outline: none;
  transition: all 0.25s ease;
  box-sizing: border-box;
}

.form-group textarea,
.input-group textarea {
  resize: vertical;
  min-height: 125px;
  line-height: 1.6;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus,
.input-group input:focus,
.input-group textarea:focus,
.input-group select:focus {
  border-color: var(--accent-blue);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(0, 118, 223, 0.12);
}

.form-feedback,
.form-feedback-message {
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 20px;
  display: none;
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1.5;
}

.form-feedback.success,
.form-feedback-message.success {
  display: block;
  background: rgba(52, 199, 89, 0.12);
  border: 1px solid #34c759;
  color: #248a3d;
  animation: fadeIn 0.3s ease;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 10px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  background: #fbfbfd;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all 0.25s ease;
}

.contact-item:hover {
  border-color: var(--accent-blue);
  background: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 118, 223, 0.08);
}

.contact-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent-blue-soft);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  transition: all 0.25s ease;
}

.contact-item:hover .contact-icon-box {
  background: var(--gradient-main);
  color: #ffffff;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.info-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: #ffffff;
  padding: 20px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.info-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-blue);
}

.info-card i {
  font-size: 1.6rem;
  color: var(--accent-blue);
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-blue-soft);
  border-radius: 8px;
}

.channel-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-main);
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.channel-btn:hover {
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

.channel-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  background: var(--accent-blue-soft);
  color: var(--accent-blue);
}

.channel-icon.github { background: #24292e; color: #fff; }
.channel-icon.telegram { background: #0088cc; color: #fff; }
.channel-icon.whatsapp { background: #25d366; color: #fff; }
.channel-icon.email { background: #ea4335; color: #fff; }
.channel-icon.bale { background: linear-gradient(135deg, #00b894, #008f72); color: #fff; }

.channel-text strong {
  display: block;
  font-size: 0.92rem;
}

.channel-text small {
  color: var(--text-muted);
  font-size: 0.78rem;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 25, 45, 0.55);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal-backdrop.open {
  display: flex;
  opacity: 1;
}

.connect-modal {
  background: #ffffff;
  border: 1px solid rgba(0, 118, 223, 0.15);
  border-radius: 16px;
  padding: 30px;
  width: 90%;
  max-width: 460px;
  box-shadow: 0 20px 50px rgba(0, 30, 65, 0.2);
  position: relative;
  animation: zoomIn 0.3s ease;
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: var(--bg-secondary);
  border: none;
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

html[dir="rtl"] .modal-close {
  right: auto;
  left: 18px;
}

.modal-close:hover {
  background: var(--accent-blue-soft);
  color: var(--accent-blue);
}

.connect-modal h2 {
  font-size: 1.45rem;
  margin-bottom: 20px;
  color: var(--text-main);
}

/* Footer */
.site-footer {
  margin-top: 70px;
  padding: 30px 0;
  border-top: 1px solid var(--border-color);
  background: #ffffff;
  position: relative;
  z-index: 10;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.footer-links {
  display: flex;
  gap: 18px;
  align-items: center;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent-blue);
}

/* Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes zoomIn {
  from { opacity: 0; transform: scale(0.94); }
  to { opacity: 1; transform: scale(1); }
}

/* Responsive */
@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-photo-card {
    position: static;
    max-width: 380px;
    margin: 0 auto;
  }
  .contact-grid,
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 80px;
  }
  .site-header {
    top: 10px;
    padding: 0 10px;
  }
  .header-inner {
    padding: 10px 16px;
    border-radius: 10px;
  }
  .mobile-menu-toggle {
    display: flex;
  }
  .header-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 10px;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    padding: 16px;
    gap: 12px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: all 0.35s ease;
    box-shadow: 0 12px 30px rgba(0, 30, 65, 0.12);
  }
  .header-nav.active {
    max-height: 480px;
    opacity: 1;
    pointer-events: auto;
  }
  .hero-title {
    font-size: 2.3rem;
  }
  .hero-subtitle {
    font-size: 1.05rem;
  }
  .section-title {
    font-size: 1.75rem;
  }
  .content-section {
    padding: 25px 20px;
  }
  .video-wrapper,
  .about-video {
    height: 260px;
    min-height: 240px;
  }
  .step-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

/* ==========================================================================
   Amin Hosseini Design System Integration (Apple Minimal Clean & Electric Blue)
   Full support for LTR & Persian RTL (IRANYekan ExtraBold)
   ========================================================================== */

:root {
  --ink: #151518;
  --muted: #6e6e73;
  --line: #dedee3;
  --paper: #fbfbfd;
  --blue: #0076df;
  --blue-deep: #005bab;
  --radius: 26px;
  --mono: 'DM Mono', monospace;
}

body.home-page {
  padding-top: 0;
  background: var(--paper);
  color: var(--ink);
}

/* ===== Interactive Preloader ===== */
.loader {
  background: #fbfbfd;
  z-index: 10000;
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 22px;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.done {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.loader-mark {
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.5px;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.loader-word {
  height: 43px;
  font: 500 34px/1 var(--mono);
  letter-spacing: -2px;
  display: flex;
  align-items: center;
}

.loader-word span {
  opacity: 0;
  animation: typeLetter 0.18s forwards;
}

.loader-word span:nth-child(1) { animation-delay: 0.15s; }
.loader-word span:nth-child(2) { animation-delay: 0.3s; }
.loader-word span:nth-child(3) { animation-delay: 0.45s; }
.loader-word span:nth-child(4) { animation-delay: 0.6s; }
.loader-word span:nth-child(5) { animation-delay: 0.75s; }
.loader-word span:nth-child(6) { animation-delay: 0.9s; }
.loader-word span:nth-child(7) { animation-delay: 1.05s; }

.loader-word i {
  width: 2px;
  height: 33px;
  background: var(--blue);
  margin-left: 6px;
  animation: blinkCursor 0.8s infinite;
}

html[dir="rtl"] .loader-word i,
html[lang="fa"] .loader-word i {
  margin-left: 0;
  margin-right: 6px;
}

@keyframes typeLetter {
  to { opacity: 1; }
}

@keyframes blinkCursor {
  50% { opacity: 0; }
}

/* ===== Site Header (Reference Style) ===== */
.site-header {
  position: fixed;
  z-index: 100;
  width: 100%;
  top: 0;
  left: 0;
  right: 0;
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
  background: transparent;
}

.site-header.scrolled {
  background: rgba(251, 251, 253, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.nav {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.3px;
}

.brand-logo {
  height: 32px;
  width: 32px;
  border-radius: 9px;
  overflow: hidden;
  display: grid;
  place-items: center;
  background: #ffffff;
  color: #fff;
  font-size: 11px;
  font-family: var(--mono);
  font-weight: 600;
  border: 1px solid rgba(0, 118, 223, 0.18);
  box-shadow: 0 2px 8px rgba(0, 118, 223, 0.10);
}

.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links > a {
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  color: var(--muted);
  transition: color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-links > a:hover,
.nav-links > a.active {
  color: var(--blue);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.button {
  border: 0;
  border-radius: 99px;
  min-height: 42px;
  padding: 0 20px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.22s, background 0.22s, box-shadow 0.22s, color 0.22s;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(0, 65, 133, 0.15);
}

.button-primary {
  background: var(--blue);
  color: #ffffff;
}

.button-primary:hover {
  background: var(--blue-deep);
}

.button-secondary {
  color: var(--ink);
  background: #ececef;
}

.button-secondary:hover {
  background: #e3e3e7;
}

/* ===== Hero Section (Reference Style) ===== */
.hero {
  min-height: 100svh;
  padding: 140px 0 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
}

.hero h1 {
  font-size: clamp(48px, 6vw, 84px);
  line-height: 1.05;
  letter-spacing: -0.06em;
  margin: 0;
  font-weight: 800;
  color: var(--ink);
}

.hero h1 em,
.section-head h2 em,
.journey-heading h3 em,
.contact-intro h2 em,
.skills-intro h2 em {
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 400;
  letter-spacing: -0.05em;
  color: var(--blue);
  font-style: italic;
}

html[lang="fa"] .hero h1 em,
html[dir="rtl"] .hero h1 em,
html[lang="fa"] .section-head h2 em,
html[dir="rtl"] .section-head h2 em,
html[lang="fa"] .journey-heading h3 em,
html[dir="rtl"] .journey-heading h3 em,
html[lang="fa"] .contact-intro h2 em,
html[dir="rtl"] .contact-intro h2 em,
html[lang="fa"] .skills-intro h2 em,
html[dir="rtl"] .skills-intro h2 em {
  font-family: 'IRANYekan', sans-serif;
  font-style: normal;
  font-weight: 800;
  color: var(--blue);
}

.hero-lede {
  max-width: 480px;
  font-size: 18px;
  line-height: 1.7;
  color: var(--muted);
  letter-spacing: -0.02em;
  margin: 28px 0;
}

.hero-lede strong {
  color: var(--ink);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  gap: 22px;
  align-items: center;
  flex-wrap: wrap;
}

.text-link {
  padding: 0;
  background: none;
  border: 0;
  color: var(--ink);
  font: 600 14px inherit;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}

.text-link span {
  color: var(--blue);
  transition: transform 0.2s ease;
  display: inline-block;
}

.text-link:hover span {
  transform: translateX(4px);
}

html[dir="rtl"] .text-link:hover span,
html[lang="fa"] .text-link:hover span {
  transform: translateX(-4px);
}

/* Hero Art & Orbits */
.hero-art {
  height: 500px;
  position: relative;
  display: grid;
  place-items: center;
}

.avatar-wrap {
  width: 282px;
  height: 352px;
  border-radius: 141px 141px 29px 29px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(148deg, #dceeff, #eaf5ff 48%, #bad9f4);
  box-shadow: 0 30px 50px rgba(10, 93, 161, 0.16);
  border: 7px solid rgba(255, 255, 255, 0.85);
  z-index: 2;
}

.avatar-photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  position: absolute;
  inset: 0;
  z-index: 1;
}

.avatar-glow {
  position: absolute;
  width: 260px;
  height: 140px;
  left: 10px;
  top: 78px;
  background: #ffffff;
  opacity: 0.55;
  filter: blur(30px);
  border-radius: 100%;
  z-index: 2;
  pointer-events: none;
}

.avatar-label {
  position: absolute;
  z-index: 4;
  bottom: 18px;
  left: 20px;
  font: 700 11px/1.3 var(--mono);
  letter-spacing: 0.05em;
  color: #ffffff;
  background: rgba(17, 28, 41, 0.65);
  backdrop-filter: blur(8px);
  padding: 6px 10px;
  border-radius: 8px;
}

html[dir="rtl"] .avatar-label,
html[lang="fa"] .avatar-label {
  left: auto;
  right: 20px;
  font-family: 'IRANYekan', sans-serif;
  font-weight: 800;
  font-size: 10px;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(0, 118, 223, 0.18);
  border-radius: 50%;
  z-index: 1;
  pointer-events: none;
}

.orbit-one {
  width: 430px;
  height: 430px;
  animation: orbitRotate 45s linear infinite;
}

.orbit-two {
  width: 530px;
  height: 230px;
  transform: rotate(-32deg);
}

@keyframes orbitRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.code-chip,
.python-chip {
  z-index: 3;
  position: absolute;
  display: grid;
  place-items: center;
  box-shadow: 0 13px 25px rgba(33, 87, 139, 0.13);
  transition: transform 0.3s ease;
}

.code-chip:hover,
.python-chip:hover {
  transform: scale(1.1);
}

.code-chip {
  top: 76px;
  right: 15px;
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: var(--ink);
  color: #ffffff;
  font: 600 16px var(--mono);
  transform: rotate(8deg);
}

html[dir="rtl"] .code-chip,
html[lang="fa"] .code-chip {
  right: auto;
  left: 15px;
  transform: rotate(-8deg);
}

.python-chip {
  bottom: 80px;
  left: 10px;
  width: 65px;
  height: 65px;
  border-radius: 50%;
  background: #ffffff;
  padding: 12px;
}

html[dir="rtl"] .python-chip,
html[lang="fa"] .python-chip {
  left: auto;
  right: 10px;
}

.python-chip svg {
  width: 35px;
  height: 35px;
}

.hero-footer {
  margin-top: 35px;
  color: #888890;
  font: 500 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 14px;
}

.hero-footer div {
  height: 1px;
  background: #d9d9df;
  width: 64px;
}

/* ===== About Section & Journey Progress ===== */
.section {
  padding: 120px 0;
  position: relative;
  z-index: 2;
}

.about {
  background: #ffffff;
}

.section-head h2 {
  font-size: clamp(40px, 4.8vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.05em;
  margin: 0;
  font-weight: 800;
  color: var(--ink);
}

.about-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  margin-top: 60px;
  align-items: start;
}

.about-portrait {
  height: 350px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #e4eff8, #b5cee4);
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 32px rgba(0, 30, 65, 0.09);
}

.about-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.portrait-initials {
  position: absolute;
  right: -15px;
  bottom: -85px;
  color: #ffffff;
  font-weight: 800;
  font-size: 200px;
  letter-spacing: -0.13em;
  opacity: 0.45;
  pointer-events: none;
}

html[dir="rtl"] .portrait-initials,
html[lang="fa"] .portrait-initials {
  right: auto;
  left: -15px;
}

.about-portrait p {
  position: absolute;
  bottom: 20px;
  left: 23px;
  margin: 0;
  color: #ffffff;
  font: 600 12px/1.5 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(17, 28, 41, 0.65);
  backdrop-filter: blur(6px);
  padding: 6px 12px;
  border-radius: 8px;
}

html[dir="rtl"] .about-portrait p,
html[lang="fa"] .about-portrait p {
  left: auto;
  right: 23px;
  font-family: 'IRANYekan', sans-serif;
  font-size: 11px;
}

.about-content {
  padding-top: 7px;
}

.about-content p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
  margin: 0 0 18px;
}

.about-content .large-copy {
  font-size: 22px;
  line-height: 1.5;
  color: var(--ink);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  font-weight: 600;
}

/* Journey progression (4 Interactive Tabs) */
.journey-progress {
  grid-column: 1/-1;
  margin-top: 50px;
  padding: 40px;
  border: 1px solid rgba(35, 51, 68, 0.09);
  border-radius: var(--radius);
  background: linear-gradient(135deg, #fbfdff 0%, #f2f7fb 100%);
  box-shadow: 0 8px 24px rgba(21, 38, 58, 0.03);
}

.journey-heading {
  margin-bottom: 25px;
}

.journey-heading h3 {
  margin: 0;
  font-size: clamp(26px, 2.8vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.05em;
  font-weight: 800;
}

.journey-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  position: relative;
  gap: 12px;
  margin-top: 30px;
}

.journey-tabs:before {
  content: "";
  position: absolute;
  top: 24px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, #bdd9ee, #dce8f0);
  z-index: 0;
}

.journey-stage {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: start;
  gap: 12px;
  padding: 12px 14px 16px;
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: all 0.25s ease;
}

html[dir="rtl"] .journey-stage,
html[lang="fa"] .journey-stage {
  justify-items: start;
  text-align: right;
}

.journey-stage:hover {
  color: var(--ink);
  background: rgba(0, 118, 223, 0.04);
}

.journey-stage.is-active,
.journey-stage[aria-selected="true"] {
  color: var(--ink);
  background: rgba(0, 118, 223, 0.08);
}

.journey-stage.is-active .journey-index,
.journey-stage[aria-selected="true"] .journey-index {
  background: var(--blue);
  color: #ffffff;
  box-shadow: 0 7px 16px rgba(0, 118, 223, 0.25);
  border-color: var(--blue);
}

.journey-stage.is-active .journey-name,
.journey-stage[aria-selected="true"] .journey-name {
  color: var(--blue);
  font-weight: 700;
}

.journey-index {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(35, 51, 68, 0.12);
  border-radius: 50%;
  background: #ffffff;
  font: 700 12px var(--mono);
  transition: all 0.25s ease;
}

.journey-name {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.journey-panels {
  margin-top: 24px;
}

.journey-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 40px;
  min-height: 140px;
  padding: 28px 32px;
  border-radius: 18px;
  background: #ffffff;
  box-shadow: 0 5px 18px rgba(21, 38, 58, 0.045);
  animation: journeyPanelIn 0.35s ease both;
}

.journey-panel[hidden] {
  display: none !important;
}

@keyframes journeyPanelIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.journey-kicker {
  margin: 0 0 8px;
  color: var(--blue);
  font: 700 11px var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.journey-panel h4 {
  margin: 0 0 10px;
  font-size: 24px;
  line-height: 1.1;
  letter-spacing: -0.04em;
  font-weight: 700;
}

.journey-panel div > p:last-child {
  max-width: 600px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.journey-panel ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  max-width: 330px;
  margin: 0;
  padding: 0;
  list-style: none;
}

html[dir="rtl"] .journey-panel ul,
html[lang="fa"] .journey-panel ul {
  justify-content: flex-start;
}

.journey-panel li {
  padding: 8px 12px;
  border-radius: 99px;
  background: #f0f6fa;
  color: #2b5774;
  font: 600 11px var(--mono);
}

html[dir="rtl"] .journey-panel li,
html[lang="fa"] .journey-panel li {
  font-family: 'IRANYekan', sans-serif;
  font-size: 11px;
}

/* ===== Skills Section & Technology Categories ===== */
.skills {
  background: #f4f6f8;
}

.skills-intro {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 30px;
}

.skills-intro h2 {
  font-size: clamp(40px, 4.8vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.05em;
  margin: 0;
  font-weight: 800;
}

.skills-intro > p {
  max-width: 320px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
}

.technology-categories {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 46px 58px;
  margin-top: 55px;
}

.technology-category {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.technology-category-heading {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 20px;
}

.technology-category-index {
  margin: 0;
  color: var(--blue);
  font: 700 11px var(--mono);
  letter-spacing: 0.06em;
}

.technology-category h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.2;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.technology-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.technology-item {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid rgba(35, 51, 68, 0.09);
  border-radius: 14px;
  background: #ffffff;
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.02em;
  transition: all 0.2s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}

.technology-item:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 118, 223, 0.25);
  box-shadow: 0 8px 16px rgba(21, 38, 58, 0.07);
}

.technology-item img,
.technology-item i,
.technology-item svg {
  width: 24px;
  height: 24px;
  object-fit: contain;
  flex: 0 0 auto;
}

.technology-item i {
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.technology-item small {
  color: var(--blue);
  font: 700 9px var(--mono);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: rgba(0, 118, 223, 0.08);
  padding: 3px 6px;
  border-radius: 6px;
}

.technology-item.is-primary {
  border-color: rgba(0, 118, 223, 0.28);
  background: linear-gradient(135deg, #ffffff, #f2f9ff);
  box-shadow: 0 4px 12px rgba(0, 118, 223, 0.08);
}

.technology-item-dark {
  background: #f2f8ff;
  color: var(--ink);
  border-color: rgba(0, 118, 223, 0.28);
}

.technology-item-ai {
  background: #f8fbfe;
}

/* ===== Admin sign-in ===== */
.admin-login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 110px 20px 40px;
}

.admin-login-card {
  width: min(100%, 440px);
  background: #ffffff;
  border: 1px solid rgba(0, 118, 223, 0.16);
  border-radius: 20px;
  box-shadow: 0 20px 50px rgba(0, 62, 117, 0.12);
  padding: 34px;
}

.admin-login-card h1 { font-size: 1.6rem; margin-bottom: 8px; }
.admin-login-card p { color: var(--text-muted); margin-bottom: 24px; }
.admin-login-error { color: #bd2020; margin-top: 15px; font-size: .9rem; }

/* ===== Contact Section (Reference Card with Blurred Form & Direct Channels) ===== */
.contact {
  padding: 120px 0;
}

.contact-panel {
  min-height: 480px;
  border-radius: var(--radius);
  background: #111c29;
  color: #ffffff;
  padding: 64px;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 50px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(10, 25, 45, 0.18);
}

.contact-intro {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-intro h2 {
  font-size: clamp(38px, 4.5vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.05em;
  margin: 0 0 16px;
  font-weight: 800;
  color: #ffffff;
}

.contact-intro > p {
  color: #a9b2bd;
  font-size: 15px;
  line-height: 1.75;
  margin: 0 0 28px;
}

/* Direct Contact Channels Inside Panel */
.contact-channels-list {
  display: grid;
  gap: 10px;
  margin-top: 15px;
}

.contact-channel-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #ffffff;
  text-decoration: none;
  transition: all 0.22s ease;
}

.contact-channel-item:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(0, 118, 223, 0.4);
  transform: translateX(4px);
}

html[dir="rtl"] .contact-channel-item:hover,
html[lang="fa"] .contact-channel-item:hover {
  transform: translateX(-4px);
}

.contact-channel-item .channel-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: #ffffff;
  font-size: 17px;
  flex: 0 0 auto;
}

.contact-channel-item .channel-icon.telegram { background: #229ed9; }
.contact-channel-item .channel-icon.whatsapp { background: #25d366; }
.contact-channel-item .channel-icon.bale { background: #1ca377; }
.contact-channel-item .channel-icon.email { background: #ea4335; }

.contact-channel-item .channel-info {
  display: grid;
  gap: 2px;
}

.contact-channel-item strong {
  font-size: 13px;
  color: #ffffff;
}

.contact-channel-item small {
  font-size: 11px;
  color: #8ec5f5;
  font-family: var(--mono);
}

.contact-channel-item i.channel-arrow {
  margin-left: auto;
  font-style: normal;
  color: #8ec5f5;
  font-weight: 700;
}

html[dir="rtl"] .contact-channel-item i.channel-arrow,
html[lang="fa"] .contact-channel-item i.channel-arrow {
  margin-left: 0;
  margin-right: auto;
}

/* Inquiry Form (Blurred with "بزودی" Overlay) */
.blurred-form-wrapper {
  position: relative;
  z-index: 2;
  border-radius: 20px;
  overflow: hidden;
}

.inquiry-form {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
}

.blurred-form-wrapper .inquiry-form {
  filter: blur(4px);
  user-select: none;
  pointer-events: none;
  opacity: 0.6;
}

.form-blur-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(17, 28, 41, 0.45);
  backdrop-filter: blur(3px);
  border-radius: 20px;
  z-index: 5;
  gap: 12px;
  text-align: center;
  padding: 20px;
}

.coming-soon-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 118, 223, 0.9);
  color: #ffffff;
  padding: 10px 24px;
  border-radius: 99px;
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(0, 118, 223, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-blur-overlay p {
  color: #c6d3dd;
  font-size: 13px;
  max-width: 260px;
  margin: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-field {
  min-width: 0;
}

.form-field-wide {
  grid-column: 1/-1;
}

.form-field label {
  display: block;
  margin: 0 0 6px;
  color: #f6f8fb;
  font-size: 11px;
  font-weight: 600;
}

.form-field input,
.form-field select,
.form-field textarea {
  display: block;
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  outline: 0;
  padding: 10px 12px;
}

.form-field textarea {
  resize: vertical;
  min-height: 95px;
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-top: 18px;
}

.inquiry-submit {
  background: #ffffff;
  color: #172333;
}

.contact-orb {
  width: 500px;
  height: 500px;
  border-radius: 50%;
  position: absolute;
  right: -120px;
  top: -260px;
  border: 1px solid rgba(163, 215, 255, 0.15);
  box-shadow: 0 0 0 55px rgba(94, 177, 238, 0.04), 0 0 0 110px rgba(94, 177, 238, 0.03);
  pointer-events: none;
}

/* ===== Footer (Reference Style) ===== */
.footer {
  min-height: 96px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: transparent;
}

.footer p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.footer .privacy-link {
  padding-right: 22px;
  margin-right: 22px;
  border-right: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease;
}

html[dir="rtl"] .footer .privacy-link,
html[lang="fa"] .footer .privacy-link {
  padding-right: 0;
  margin-right: 0;
  padding-left: 22px;
  margin-left: 22px;
  border-right: 0;
  border-left: 1px solid var(--line);
}

.footer .privacy-link:hover {
  color: var(--blue);
}

/* ===== Connect Modal (Accessible Popup) ===== */
.modal-backdrop {
  position: fixed;
  z-index: 1000;
  inset: 0;
  background: rgba(12, 18, 26, 0.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.connect-modal {
  width: min(500px, 100%);
  background: #ffffff;
  border-radius: 28px;
  padding: 40px;
  position: relative;
  transform: scale(0.94) translateY(10px);
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  box-shadow: 0 30px 100px rgba(0, 20, 40, 0.25);
}

.modal-backdrop.open .connect-modal {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  font-size: 22px;
  font-weight: 300;
  line-height: 1;
  background: #eeeef1;
  color: #494950;
  display: grid;
  place-items: center;
  transition: background 0.2s ease;
}

html[dir="rtl"] .modal-close,
html[lang="fa"] .modal-close {
  right: auto;
  left: 18px;
}

.modal-close:hover {
  background: #e0e0e5;
}

.connect-modal h2 {
  font-size: 36px;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 30px;
  font-weight: 800;
}

.connect-list {
  display: grid;
  gap: 8px;
}

.connect-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-radius: 16px;
  color: var(--ink);
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.connect-item:hover {
  background: #f4f7fa;
  transform: translateX(4px);
}

html[dir="rtl"] .connect-item:hover,
html[lang="fa"] .connect-item:hover {
  transform: translateX(-4px);
}

.connect-item .social-icon {
  height: 42px;
  width: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #ffffff;
  font-size: 20px;
  flex: 0 0 auto;
}

.social-icon.telegram { background: #229ed9; }
.social-icon.whatsapp { background: #25d366; }
.social-icon.bale { background: #1ca377; }
.social-icon.email { background: #ea4335; }

.connect-item span {
  display: grid;
  gap: 2px;
}

.connect-item strong {
  font-size: 14px;
  font-weight: 700;
}

.connect-item small {
  font-size: 12px;
  color: var(--muted);
}

.connect-item i {
  font-style: normal;
  margin-left: auto;
  color: var(--blue);
  font-weight: 700;
}

html[dir="rtl"] .connect-item i,
html[lang="fa"] .connect-item i {
  margin-left: 0;
  margin-right: auto;
}

/* ===== Scroll Reveal Animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ===== Responsive Breakpoints for Reference Layout ===== */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
  }
  .hero-copy {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .hero-lede {
    margin: 20px auto 26px;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-art {
    height: 380px;
  }
  .avatar-wrap {
    width: 230px;
    height: 290px;
  }
  .orbit-one {
    width: 330px;
    height: 330px;
  }
  .orbit-two {
    width: 400px;
    height: 200px;
  }
  .code-chip {
    width: 52px;
    height: 52px;
    font-size: 13px;
    top: 40px;
  }
  .python-chip {
    width: 52px;
    height: 52px;
    bottom: 40px;
  }
  .python-chip svg {
    width: 28px;
    height: 28px;
  }
  .about-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .about-portrait {
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
  }
  .technology-categories {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .contact-panel {
    grid-template-columns: 1fr;
    padding: 40px 28px;
    gap: 36px;
  }
}

@media (max-width: 800px) {
  .nav {
    height: 70px;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 20px;
    right: 20px;
    padding: 20px;
    background: #ffffff;
    border: 1px solid #e7e7eb;
    border-radius: 18px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .nav-links.open {
    display: flex;
  }
  .menu-toggle {
    display: flex;
    width: 36px;
    height: 36px;
    border: 0;
    background: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
  }
  .menu-toggle span {
    height: 2px;
    background: var(--ink);
    width: 20px;
    border-radius: 2px;
    transition: 0.2s;
  }
  .journey-progress {
    padding: 26px 20px;
  }
  .journey-tabs {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .journey-tabs:before {
    display: none;
  }
  .journey-stage {
    grid-template-columns: 45px 1fr;
    align-items: center;
    gap: 12px;
    padding: 6px 10px;
  }
  .journey-panel {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 22px 20px;
  }
  .journey-panel ul {
    justify-content: flex-start;
    max-width: none;
  }
  .hero-footer {
    display: none;
  }
}

@media (max-width: 520px) {
  .hero {
    padding-top: 100px;
  }
  .hero h1 {
    font-size: 38px;
  }
  .hero-lede {
    font-size: 16px;
  }
  .contact-panel {
    padding: 30px 18px;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-field-wide {
    grid-column: auto;
  }
  .connect-modal {
    padding: 30px 20px;
  }
  .connect-modal h2 {
    font-size: 28px;
  }
}