/* ==========================================================================
   SKILLDAD.IR - THEME 10 (تم ۱۰: الهام از انامو - ENAMO CYAN & GRAPHITE ONYX)
   Graphite Onyx #080808 + High-Tech Enamo Teal #2BAAB0 & Luminous Mint #A8E6EA
   ========================================================================== */

:root {
  /* THEME 10: ENAMO INSPIRATION */
  --bg-main: #080808;
  --bg-surface: #111111;
  --bg-card: rgba(17, 17, 17, 0.82);
  --bg-card-hover: rgba(24, 30, 32, 0.9);
  --bg-header: rgba(8, 8, 8, 0.88);
  
  --border-subtle: rgba(43, 170, 176, 0.14);
  --border-accent: rgba(43, 170, 176, 0.48);
  
  --text-main: #e8ddd0;
  --text-muted: #8d8074;
  --text-dim: #5a5048;
  
  --amber-primary: #2BAAB0;
  --amber-hover: #1f8e94;
  --amber-soft: rgba(43, 170, 176, 0.12);
  --indigo-accent: #A8E6EA;
  --indigo-soft: rgba(168, 230, 234, 0.12);
  --blue-tech: #8fd0d4;
  
  --gradient-gold: linear-gradient(135deg, #2BAAB0 0%, #A8E6EA 100%);
  --gradient-card: linear-gradient(145deg, rgba(20, 24, 25, 0.7) 0%, rgba(10, 10, 10, 0.88) 100%);
  
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.55);
  --shadow-hover: 0 10px 28px rgba(43, 170, 176, 0.16), 0 0 16px rgba(43, 170, 176, 0.25);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  
  --transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   LIGHT THEME (تم روز - DAY MODE)
   ========================================================================== */
html.light-mode,
html[data-theme="light"],
body.light-mode,
body[data-theme="light"],
.light-mode,
[data-theme="light"] {
  --bg-main: #f5f9fa !important;
  --bg-surface: #ffffff !important;
  --bg-card: rgba(255, 255, 255, 0.94) !important;
  --bg-card-hover: rgba(240, 250, 251, 0.98) !important;
  --bg-header: rgba(245, 249, 250, 0.96) !important;
  
  --border-subtle: rgba(43, 170, 176, 0.25) !important;
  --border-accent: rgba(43, 170, 176, 0.7) !important;
  
  --text-main: #1e293b !important;
  --text-muted: #556987 !important;
  --text-dim: #7e8b9b !important;
  
  --amber-primary: #0d8b92 !important;
  --amber-hover: #0a6f75 !important;
  --amber-soft: rgba(43, 170, 176, 0.14) !important;
  --indigo-accent: #0f766e !important;
  --indigo-soft: rgba(15, 118, 110, 0.14) !important;
  --blue-tech: #0284c7 !important;
  
  --gradient-gold: linear-gradient(135deg, #0d8b92 0%, #0284c7 100%) !important;
  --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.98) 0%, rgba(240, 248, 250, 0.92) 100%) !important;
  
  --shadow-card: 0 6px 24px rgba(15, 23, 42, 0.08) !important;
  --shadow-hover: 0 12px 32px rgba(43, 170, 176, 0.22) !important;
}

html.light-mode body,
html[data-theme="light"] body,
body.light-mode,
body[data-theme="light"] {
  background-color: #f5f9fa !important;
  background-image: 
    radial-gradient(ellipse 80% 60% at 50% 25%, rgba(43, 170, 176, 0.14) 0%, transparent 70%),
    linear-gradient(rgba(43, 170, 176, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43, 170, 176, 0.05) 1px, transparent 1px) !important;
  color: #1e293b !important;
}

.light-mode h1, [data-theme="light"] h1,
.light-mode h2, [data-theme="light"] h2,
.light-mode h3, [data-theme="light"] h3,
.light-mode h4, [data-theme="light"] h4 {
  color: #0f172a !important;
}

.light-mode .hero-h1, [data-theme="light"] .hero-h1 {
  color: #0f172a !important;
}

.light-mode .hero-p, [data-theme="light"] .hero-p {
  color: #475569 !important;
}

.light-mode .nav-link, [data-theme="light"] .nav-link {
  color: #334155 !important;
}

.light-mode .orbit-item .orbit-icon, [data-theme="light"] .orbit-item .orbit-icon,
.light-mode .orbit-item-rev .orbit-icon, [data-theme="light"] .orbit-item-rev .orbit-icon {
  background: rgba(255, 255, 255, 0.96) !important;
  border-color: rgba(43, 170, 176, 0.6) !important;
  box-shadow: 0 4px 16px rgba(43, 170, 176, 0.28) !important;
  color: #0f172a !important;
}

.light-mode .solar-ambient-glow, [data-theme="light"] .solar-ambient-glow {
  background: radial-gradient(circle, rgba(43, 170, 176, 0.25) 0%, rgba(43, 170, 176, 0.08) 55%, transparent 75%) !important;
}

.light-mode .navbar, [data-theme="light"] .navbar {
  background: rgba(245, 249, 250, 0.94) !important;
  border-bottom-color: rgba(43, 170, 176, 0.25) !important;
}

.light-mode .hero-box, [data-theme="light"] .hero-box,
.light-mode .about-box, [data-theme="light"] .about-box,
.light-mode .category-card, [data-theme="light"] .category-card,
.light-mode .video-card, [data-theme="light"] .video-card,
.light-mode .toolbox-card, [data-theme="light"] .toolbox-card,
.light-mode .stat-item, [data-theme="light"] .stat-item,
.light-mode .form-card, [data-theme="light"] .form-card,
.light-mode .contact-row, [data-theme="light"] .contact-row,
.light-mode .about-tag-item, [data-theme="light"] .about-tag-item {
  background: rgba(255, 255, 255, 0.95) !important;
  border-color: rgba(43, 170, 176, 0.25) !important;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06) !important;
}

.light-mode .video-body, [data-theme="light"] .video-body,
.light-mode .toolbox-body, [data-theme="light"] .toolbox-body {
  background: rgba(255, 255, 255, 0.98) !important;
}

.light-mode .video-card:hover, [data-theme="light"] .video-card:hover,
.light-mode .category-card:hover, [data-theme="light"] .category-card:hover,
.light-mode .toolbox-card:hover, [data-theme="light"] .toolbox-card:hover {
  background: #ffffff !important;
  border-color: var(--amber-primary) !important;
  box-shadow: 0 10px 28px rgba(43, 170, 176, 0.18) !important;
}

.light-mode .dad-quote, [data-theme="light"] .dad-quote {
  background: rgba(13, 139, 146, 0.08) !important;
  border-right-color: var(--amber-primary) !important;
  color: #0f172a !important;
}

.light-mode .skill-pill, [data-theme="light"] .skill-pill {
  background: rgba(13, 139, 146, 0.08) !important;
  border-color: rgba(13, 139, 146, 0.28) !important;
  color: #0d8b92 !important;
}

.light-mode .btn-outline, [data-theme="light"] .btn-outline {
  background: rgba(13, 139, 146, 0.08) !important;
  color: #0d8b92 !important;
  border-color: rgba(13, 139, 146, 0.35) !important;
}

.light-mode .btn-outline:hover, [data-theme="light"] .btn-outline:hover {
  background: rgba(13, 139, 146, 0.15) !important;
  border-color: #0d8b92 !important;
  color: #086b70 !important;
}

.light-mode .filter-tab, [data-theme="light"] .filter-tab {
  background: rgba(255, 255, 255, 0.9) !important;
  color: #64748b !important;
  border-color: rgba(43, 170, 176, 0.25) !important;
}

.light-mode .filter-tab:hover, [data-theme="light"] .filter-tab:hover,
.light-mode .filter-tab.active, [data-theme="light"] .filter-tab.active {
  background: var(--gradient-gold) !important;
  color: #ffffff !important;
}

.light-mode .orbit-outer, [data-theme="light"] .orbit-outer {
  border-color: rgba(13, 139, 146, 0.25) !important;
}

.light-mode .orbit-inner, [data-theme="light"] .orbit-inner {
  border-color: rgba(13, 139, 146, 0.3) !important;
}

.light-mode .form-input, [data-theme="light"] .form-input {
  background: #ffffff !important;
  color: #0f172a !important;
  border-color: rgba(43, 170, 176, 0.3) !important;
}

.light-mode .footer, [data-theme="light"] .footer {
  background: #eef4f5 !important;
  color: #475569 !important;
  border-top-color: var(--border-subtle) !important;
}

/* BASE RESET */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: 'Vazirmatn', -apple-system, BlinkMacSystemFont, sans-serif;
  direction: rtl;
  font-size: 13px;
}

body {
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(ellipse 80% 60% at 50% 25%, rgba(43, 170, 176, 0.08) 0%, transparent 70%),
    linear-gradient(rgba(43, 170, 176, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43, 170, 176, 0.02) 1px, transparent 1px);
  background-size: auto, 50px 50px, 50px 50px;
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

/* REFINED CONTAINER */
.container {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 44px 0;
  position: relative;
}

@media (max-width: 768px) {
  section {
    padding: 34px 0;
  }
}

/* REFINED TYPOGRAPHY (SOFT MUTED & COMPACT) */
h1, h2, h3, h4 {
  color: #cbd5e1;
  font-weight: 700;
  line-height: 1.35;
}

.gradient-title {
  background: var(--gradient-gold) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
}

.section-header {
  text-align: center;
  max-width: 580px;
  margin: 0 auto 28px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 12px;
  border-radius: var(--radius-full);
  background: var(--amber-soft);
  border: 1px solid var(--border-accent);
  color: var(--amber-primary);
  font-size: 0.72rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.section-title {
  font-size: 1.28rem;
  margin-bottom: 6px;
  color: #cbd5e1;
}

.section-desc {
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* NAVBAR */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 68px;
  z-index: 1000;
  background: var(--bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: var(--transition);
}

.brand:hover {
  transform: scale(1.03);
}

.navbar-logo {
  height: 46px;
  width: auto;
  max-width: 170px;
  object-fit: contain;
  filter: hue-rotate(130deg) saturate(1.8) contrast(1.15) drop-shadow(0 2px 10px rgba(43, 170, 176, 0.45));
  transition: var(--transition);
}

.navbar-logo:hover {
  filter: hue-rotate(130deg) saturate(2.2) contrast(1.25) drop-shadow(0 4px 16px rgba(43, 170, 176, 0.7));
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 22px;
}

.nav-link {
  color: #e8ddd0;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.88rem;
  transition: var(--transition);
  padding: 4px 0;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--amber-primary);
  text-shadow: 0 0 10px rgba(43, 170, 176, 0.4);
}

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

.lang-btn {
  background: rgba(43, 170, 176, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.lang-btn:hover {
  border-color: var(--amber-primary);
  color: var(--amber-primary);
}

.theme-btn {
  background: rgba(43, 170, 176, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  line-height: 1;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.theme-btn:hover {
  border-color: var(--amber-primary);
  background: rgba(43, 170, 176, 0.18);
  transform: scale(1.08);
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.88rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--gradient-gold);
  color: #080808;
  font-weight: 800;
  box-shadow: 0 4px 20px rgba(43, 170, 176, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(43, 170, 176, 0.5);
}

.btn-outline {
  background: rgba(43, 170, 176, 0.05);
  color: #8fd0d4;
  border: 1px solid rgba(43, 170, 176, 0.25);
}

.btn-outline:hover {
  border-color: rgba(43, 170, 176, 0.6);
  background: rgba(43, 170, 176, 0.12);
  color: #A8E6EA;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 7px 15px;
  font-size: 0.8rem;
}

/* 2. HERO SECTION */
.hero-section {
  padding-top: 85px;
  padding-bottom: 25px;
  position: relative;
}

.hero-box {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 36px;
  display: grid;
  grid-template-columns: 1fr 310px;
  gap: 32px;
  align-items: center;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.hero-intro {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(43, 170, 176, 0.08);
  border: 1px solid rgba(43, 170, 176, 0.22);
  border-radius: 30px;
  padding: 5px 16px;
  width: fit-content;
  color: var(--amber-primary);
  font-weight: 700;
  font-size: 0.82rem;
}

.hero-h1 {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.55;
  color: #f0e8d8;
  margin: 0;
}

.gradient-title {
  background: linear-gradient(135deg, #2BAAB0 0%, #A8E6EA 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  font-weight: 800;
}

.hero-p {
  color: #8d8074;
  font-size: 0.85rem;
  max-width: 620px;
  line-height: 1.8;
  margin: 0;
}

.hero-skills-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.skill-pill {
  background: rgba(43, 170, 176, 0.06);
  border: 1px solid rgba(43, 170, 176, 0.2);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: #8fd0d4;
  font-weight: 600;
  transition: var(--transition);
}

.skill-pill:hover {
  background: rgba(43, 170, 176, 0.12);
  border-color: rgba(43, 170, 176, 0.4);
  color: #A8E6EA;
}

.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

/* ==========================================================================
   SKILLDAD SOLAR SYSTEM & ORBITS (ENAMO STYLE)
   ========================================================================== */

@keyframes orbit-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes orbit-counter-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(-360deg); }
}

@keyframes star-twinkle {
  0%, 100% { opacity: 0.2; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.3); }
}

@keyframes avatar-halo-pulse {
  0%, 100% { box-shadow: 0 0 25px rgba(43, 170, 176, 0.25), inset 0 0 15px rgba(43, 170, 176, 0.15); }
  50% { box-shadow: 0 0 45px rgba(43, 170, 176, 0.45), inset 0 0 22px rgba(43, 170, 176, 0.25); }
}

@keyframes halo-fluid-wobble {
  0% {
    transform: rotate(0deg) scale(1) translate(0px, 0px);
    opacity: 0.75;
    filter: blur(14px);
  }
  33% {
    transform: rotate(120deg) scale(1.12) translate(5px, -4px);
    opacity: 0.95;
    filter: blur(18px);
  }
  66% {
    transform: rotate(240deg) scale(0.94) translate(-5px, 4px);
    opacity: 0.65;
    filter: blur(12px);
  }
  100% {
    transform: rotate(360deg) scale(1) translate(0px, 0px);
    opacity: 0.75;
    filter: blur(14px);
  }
}

.hero-avatar-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 300px;
}

.skill-solar-system {
  position: relative;
  width: 290px;
  height: 290px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.solar-ambient-glow {
  position: absolute;
  inset: -25px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 170, 176, 0.15) 0%, rgba(43, 170, 176, 0.04) 55%, transparent 75%);
  pointer-events: none;
}

/* Fluid dynamic organic halo that moves and wobbles as orbits spin */
.avatar-fluid-halo {
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(43, 170, 176, 0.4) 0%, rgba(43, 170, 176, 0.16) 45%, transparent 68%);
  filter: blur(18px);
  pointer-events: none;
  animation: halo-fluid-wobble 12s ease-in-out infinite;
  z-index: 1;
}

/* Twinkling cyan stardust */
.star {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #A8E6EA;
  pointer-events: none;
  animation: star-twinkle 3s ease-in-out infinite;
}
.star.s1 { top: 8%; left: 18%; animation-delay: 0s; }
.star.s2 { top: 15%; right: 12%; animation-delay: 1.2s; }
.star.s3 { bottom: 12%; left: 10%; animation-delay: 2.1s; }
.star.s4 { bottom: 8%; right: 16%; animation-delay: 0.7s; }
.star.s5 { top: 50%; left: 2%; animation-delay: 1.8s; }
.star.s6 { top: 45%; right: 3%; animation-delay: 2.5s; }

/* ORBITS */
.orbit-ring {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

/* Outer Orbit Track */
.orbit-outer {
  inset: 0;
  border: 1px solid rgba(43, 170, 176, 0.16);
  animation: orbit-spin 42s linear infinite;
}

/* Inner Orbit Track */
.orbit-inner {
  inset: 42px;
  border: 1px dashed rgba(43, 170, 176, 0.2);
  animation: orbit-counter-spin 28s linear infinite;
}

/* Orbiting Icons - Outer (radius = 145px) */
.orbit-item {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 42px;
  height: 42px;
  margin-top: -21px;
  margin-left: -21px;
  transform: rotate(var(--pos)) translateX(145px);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
}

.orbit-item .orbit-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(8, 8, 8, 0.94);
  border: 1.5px solid rgba(43, 170, 176, 0.5);
  font-size: 20px;
  box-shadow: 0 0 12px rgba(43, 170, 176, 0.4);
  animation: orbit-counter-spin 42s linear infinite;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  cursor: default;
  overflow: hidden;
}

.orbit-icon img {
  width: 72%;
  height: 72%;
  object-fit: contain;
}

.orbit-item:hover .orbit-icon {
  transform: scale(1.25);
  border-color: #A8E6EA;
  box-shadow: 0 0 18px rgba(43, 170, 176, 0.8);
}

/* Orbiting Icons - Inner (radius = 103px) */
.orbit-item-rev {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 38px;
  height: 38px;
  margin-top: -19px;
  margin-left: -19px;
  transform: rotate(var(--pos)) translateX(103px);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
}

.orbit-item-rev .orbit-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(8, 8, 8, 0.94);
  border: 1.5px solid rgba(43, 170, 176, 0.5);
  font-size: 18px;
  box-shadow: 0 0 10px rgba(43, 170, 176, 0.4);
  animation: orbit-spin 28s linear infinite;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  cursor: default;
  overflow: hidden;
}

.orbit-item-rev:hover .orbit-icon {
  transform: scale(1.25);
  border-color: #A8E6EA;
  box-shadow: 0 0 16px rgba(43, 170, 176, 0.8);
}

/* CENTER AVATAR COMPLETELY DISSOLVED INTO ORBITS (BORDERLESS & FEATHERED) */
.avatar-center-halo {
  position: relative;
  width: 170px;
  height: 170px;
  padding: 0;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.avatar-circle {
  width: 100%;
  height: 100%;
  position: relative;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.avatar-circle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  display: block;
  border: none !important;
  outline: none !important;
  box-shadow: none !important;
  -webkit-mask-image: radial-gradient(circle at 50% 45%, #000000 20%, rgba(0, 0, 0, 0.8) 36%, rgba(0, 0, 0, 0.45) 50%, rgba(0, 0, 0, 0.1) 64%, transparent 74%);
  mask-image: radial-gradient(circle at 50% 45%, #000000 20%, rgba(0, 0, 0, 0.8) 36%, rgba(0, 0, 0, 0.45) 50%, rgba(0, 0, 0, 0.1) 64%, transparent 74%);
  transition: transform 0.4s ease;
}

.avatar-circle:hover img {
  transform: scale(1.05);
}

@media (max-width: 850px) {
  .hero-box {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 24px 16px;
  }
  .hero-intro {
    align-items: center;
  }
  .hero-skills-row {
    justify-content: center;
  }
  .hero-btns {
    justify-content: center;
  }
  .hero-h1 {
    font-size: 1.35rem;
  }
}

/* STATS ROW */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 20px;
}

.stat-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  text-align: center;
  transition: var(--transition);
}

.stat-item:hover {
  border-color: var(--amber-primary);
  transform: translateY(-2px);
}

.stat-val {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--amber-primary);
  font-family: 'Outfit', 'Vazirmatn', sans-serif;
}

.stat-lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

@media (max-width: 600px) {
  .stats-strip {
    grid-template-columns: 1fr;
  }
}

/* CATEGORIES / TOPICS GRID */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.category-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px 18px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.category-card:hover {
  border-color: var(--amber-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.cat-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.cat-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--amber-soft);
  border: 1px solid var(--border-accent);
  color: var(--amber-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.cat-name {
  font-size: 0.98rem;
  font-weight: 800;
}

.cat-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}

.cat-link {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--amber-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.cat-link:hover {
  gap: 8px;
}

@media (max-width: 850px) {
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 550px) {
  .categories-grid {
    grid-template-columns: 1fr;
  }
}

/* ABOUT SECTION & DAD'S QUOTE */
.about-box {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: center;
}

.about-text {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 14px;
}

.dad-quote {
  background: rgba(245, 158, 11, 0.05);
  border-right: 3px solid var(--amber-primary);
  padding: 12px 16px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-weight: 700;
  color: var(--text-main);
  font-size: 0.86rem;
  margin-top: 12px;
}

.about-tags {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.about-tag-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
}

.tag-icon {
  color: var(--amber-primary);
  font-size: 1.1rem;
}

@media (max-width: 850px) {
  .about-box {
    grid-template-columns: 1fr;
    padding: 24px;
  }
}

/* VIDEOS & PLAYLIST FILTER BAR */
.filter-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}

.filter-tab {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.filter-tab:hover, .filter-tab.active {
  background: var(--gradient-gold);
  color: #080808;
  border-color: var(--amber-primary);
  font-weight: 700;
}

.videos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.video-card:hover {
  border-color: var(--amber-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.video-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  background: #080808;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.95;
  transition: transform 0.3s ease;
  display: block;
}

.video-card:hover .video-thumb img {
  transform: scale(1.02);
  opacity: 1;
}

.play-circle {
  position: absolute;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--gradient-gold);
  color: #080808;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  transition: transform 0.2s ease;
}

.video-card:hover .play-circle {
  transform: scale(1.12);
}

.vid-duration {
  position: absolute;
  bottom: 6px;
  left: 6px;
  background: rgba(0, 0, 0, 0.85);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 700;
  color: #e8ddd0;
}

.vid-cat {
  position: absolute;
  top: 6px;
  right: 6px;
  background: rgba(8, 8, 8, 0.92);
  border: 1px solid var(--border-accent);
  color: var(--amber-primary);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 700;
}

.video-body {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex: 1;
}

.vid-title {
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 4px;
  color: var(--text-main);
}

.vid-desc {
  font-size: 0.74rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 8px;
}

.vid-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-dim);
  border-top: 1px solid var(--border-subtle);
  padding-top: 6px;
}

@media (max-width: 850px) {
  .videos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 550px) {
  .videos-grid {
    grid-template-columns: 1fr;
  }
}

/* TOOLBOX CARDS (COMPACT & BALANCED) */
.toolbox-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.tool-item-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  text-align: center;
  transition: var(--transition);
}

.tool-item-card:hover {
  border-color: var(--amber-primary);
  transform: translateY(-2px);
}

.tool-item-icon {
  font-size: 1.4rem;
  margin-bottom: 6px;
  color: var(--amber-primary);
}

.tool-item-title {
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-main);
}

.tool-item-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .toolbox-grid {
    grid-template-columns: 1fr;
  }
}

/* CONTACT & SOCIALS */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}

.contact-card, .form-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

.contact-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--amber-soft);
  border: 1px solid var(--border-accent);
  color: var(--amber-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.form-group {
  margin-bottom: 14px;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-main);
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-main);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.88rem;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--amber-primary);
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.2);
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* FOOTER */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 30px 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-socials a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 1.1rem;
  transition: var(--transition);
}

.footer-socials a:hover {
  color: var(--amber-primary);
}

/* VIDEO POPUP LIGHTBOX */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(8px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.lightbox.active {
  display: flex;
}

.lightbox-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 750px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
}

.lightbox-header {
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
}

.lightbox-close {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1.4rem;
  cursor: pointer;
}

.lightbox-body {
  padding: 24px;
  text-align: center;
}

/* BACK TO TOP */
.back-to-top {
  position: fixed;
  bottom: 20px;
  left: 20px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--amber-primary);
  color: #090d16;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1rem;
  font-weight: bold;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}


/* ==========================================================================
   MOBILE RESPONSIVENESS & TOUCH OPTIMIZATION (VER 2026.3)
   ========================================================================== */

/* Mobile Hamburger Button */
.mobile-toggle-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 36px;
  height: 34px;
  background: rgba(43, 170, 176, 0.08);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 6px;
  cursor: pointer;
  z-index: 1001;
  transition: var(--transition);
}

.mobile-toggle-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #e8ddd0;
  border-radius: 2px;
  transition: all 0.28s ease;
}

.mobile-toggle-btn.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
  background-color: var(--amber-primary);
}
.mobile-toggle-btn.open span:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}
.mobile-toggle-btn.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
  background-color: var(--amber-primary);
}

/* Base Responsive Fixes */
img {
  max-width: 100%;
  height: auto;
}

/* Tablet & Smaller Screens (< 992px) */
@media (max-width: 992px) {
  .nav-cta-desktop {
    display: none;
  }

  .mobile-toggle-btn {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(12, 14, 16, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-accent);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.85);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px 22px;
    gap: 8px;
    transform: translateY(-130%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: 10px 14px;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    border-bottom: 1px solid rgba(43, 170, 176, 0.08);
  }

  .nav-link:hover, .nav-link.active {
    background: rgba(43, 170, 176, 0.1);
  }
}

/* Hero & Grid Responsive Breakdown (< 850px) */
@media (max-width: 850px) {
  .container {
    padding: 0 16px;
  }

  .hero-section {
    padding-top: 80px;
    padding-bottom: 20px;
  }

  .hero-box {
    display: flex !important;
    flex-direction: column !important;
    text-align: center;
    padding: 20px 16px !important;
    gap: 16px;
  }

  .hero-avatar-wrap {
    order: 1 !important;
    min-height: 200px;
    margin: 0 auto 4px auto;
  }

  .hero-intro {
    order: 2 !important;
    align-items: center;
  }

  .hero-h1 {
    font-size: clamp(1.15rem, 5.2vw, 1.45rem);
    line-height: 1.55;
  }

  .hero-p {
    font-size: 0.82rem;
    line-height: 1.7;
    margin: 0 auto;
  }

  .hero-skills-row {
    justify-content: center;
    gap: 6px;
  }

  .skill-pill {
    font-size: 0.72rem;
    padding: 4px 10px;
  }

  .hero-btns {
    justify-content: center;
    width: 100%;
  }

  .hero-avatar-wrap {
    min-height: 220px;
    margin-top: 10px;
  }

  .skill-solar-system {
    width: 220px;
    height: 220px;
    margin: 0 auto;
    transform: scale(0.95);
  }

  .stats-strip {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .stat-item {
    padding: 14px 10px;
  }

  .stat-val {
    font-size: 1.25rem;
  }

  .stat-lbl {
    font-size: 0.72rem;
  }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 14px;
  }

  .about-box {
    grid-template-columns: 1fr !important;
    padding: 20px !important;
    text-align: center;
  }

  .dad-quote {
    border-right: none;
    border-top: 3px solid var(--amber-primary);
    border-radius: var(--radius-sm);
  }

  .videos-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 16px;
  }

  .toolbox-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px;
  }

  .contact-grid {
    grid-template-columns: 1fr !important;
    gap: 20px;
  }
}

/* Mobile Screens (< 600px) */
@media (max-width: 600px) {
  html {
    font-size: 12.5px;
  }

  .navbar {
    height: 62px;
  }

  .nav-links {
    top: 62px;
  }

  .navbar-logo {
    height: 38px;
    max-width: 140px;
  }

  .hero-section {
    padding-top: 72px;
  }

  .hero-tagline {
    font-size: 0.76rem;
    padding: 4px 12px;
  }

  .hero-btns {
    flex-direction: column;
    width: 100%;
    gap: 8px;
  }

  .hero-btns .btn {
    width: 100%;
    justify-content: center;
    padding: 10px 16px;
    font-size: 0.85rem;
  }

  .stats-strip {
    grid-template-columns: 1fr !important;
    gap: 8px;
  }

  .stat-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    text-align: right;
  }

  .stat-val {
    margin-bottom: 0;
  }

  .filter-tabs {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    justify-content: flex-start;
    padding: 4px 2px 10px;
    gap: 6px;
    scrollbar-width: none;
  }

  .filter-tabs::-webkit-scrollbar {
    display: none;
  }

  .filter-tab {
    flex: 0 0 auto;
    font-size: 0.76rem;
    padding: 6px 14px;
    white-space: nowrap;
  }

  .categories-grid {
    grid-template-columns: 1fr !important;
  }

  .videos-grid {
    grid-template-columns: 1fr !important;
  }

  .toolbox-grid {
    grid-template-columns: 1fr !important;
  }

  .contact-card, .form-card {
    padding: 18px 16px;
  }

  .footer-content {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }

  .footer-socials {
    justify-content: center;
  }
}

/* Ultra Small Screens (< 380px) */
@media (max-width: 380px) {
  .hero-h1 {
    font-size: 1.15rem;
  }

  .skill-solar-system {
    transform: scale(0.85);
  }

  .hero-box {
    padding: 18px 12px !important;
  }
}

/* ==========================================================================
   ENGLISH / LTR MODE COMPREHENSIVE STYLES (چپ‌چین‌سازی کامل زبان انگلیسی)
   ========================================================================== */
html[lang="en"],
html[dir="ltr"],
body.lang-en,
.lang-en {
  direction: ltr !important;
  text-align: left !important;
  font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
}

html[lang="en"] .hero-intro,
html[dir="ltr"] .hero-intro,
.lang-en .hero-intro {
  text-align: left !important;
  align-items: flex-start !important;
}

html[lang="en"] .hero-h1,
html[lang="en"] .hero-p,
html[lang="en"] .hero-tagline,
html[dir="ltr"] .hero-h1,
html[dir="ltr"] .hero-p,
html[dir="ltr"] .hero-tagline,
.lang-en .hero-h1,
.lang-en .hero-p,
.lang-en .hero-tagline {
  text-align: left !important;
}

html[lang="en"] .hero-skills-row,
html[dir="ltr"] .hero-skills-row,
.lang-en .hero-skills-row {
  justify-content: flex-start !important;
}

html[lang="en"] .hero-btns,
html[dir="ltr"] .hero-btns,
.lang-en .hero-btns {
  justify-content: flex-start !important;
}

html[lang="en"] .category-card,
html[lang="en"] .cat-name,
html[lang="en"] .cat-desc,
html[lang="en"] .cat-link,
html[dir="ltr"] .category-card,
html[dir="ltr"] .cat-name,
html[dir="ltr"] .cat-desc,
html[dir="ltr"] .cat-link,
.lang-en .category-card,
.lang-en .cat-name,
.lang-en .cat-desc,
.lang-en .cat-link {
  text-align: left !important;
}

html[lang="en"] .cat-top,
html[dir="ltr"] .cat-top,
.lang-en .cat-top {
  justify-content: flex-start !important;
  flex-direction: row !important;
}

html[lang="en"] .about-box,
html[lang="en"] .about-text,
html[dir="ltr"] .about-box,
html[dir="ltr"] .about-text,
.lang-en .about-box,
.lang-en .about-text {
  text-align: left !important;
}

html[lang="en"] .dad-quote,
html[dir="ltr"] .dad-quote,
.lang-en .dad-quote {
  border-right: none !important;
  border-left: 3px solid var(--amber-primary) !important;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0 !important;
  padding-left: 16px !important;
  padding-right: 12px !important;
  text-align: left !important;
}

html[lang="en"] .about-tag-item,
html[dir="ltr"] .about-tag-item,
.lang-en .about-tag-item {
  text-align: left !important;
  justify-content: flex-start !important;
}

html[lang="en"] .video-body,
html[lang="en"] .vid-title,
html[lang="en"] .vid-desc,
html[dir="ltr"] .video-body,
html[dir="ltr"] .vid-title,
html[dir="ltr"] .vid-desc,
.lang-en .video-body,
.lang-en .vid-title,
.lang-en .vid-desc {
  text-align: left !important;
}

html[lang="en"] .vid-footer,
html[dir="ltr"] .vid-footer,
.lang-en .vid-footer {
  text-align: left !important;
  flex-direction: row !important;
}

html[lang="en"] .vid-cat,
html[dir="ltr"] .vid-cat,
.lang-en .vid-cat {
  right: auto !important;
  left: 6px !important;
}

html[lang="en"] .vid-duration,
html[dir="ltr"] .vid-duration,
.lang-en .vid-duration {
  left: auto !important;
  right: 6px !important;
}

html[lang="en"] .tool-item-card,
html[lang="en"] .tool-item-title,
html[lang="en"] .tool-item-desc,
html[dir="ltr"] .tool-item-card,
html[dir="ltr"] .tool-item-title,
html[dir="ltr"] .tool-item-desc,
.lang-en .tool-item-card,
.lang-en .tool-item-title,
.lang-en .tool-item-desc {
  text-align: left !important;
}

html[lang="en"] .contact-card,
html[lang="en"] .form-card,
html[lang="en"] .form-label,
html[lang="en"] .form-input,
html[dir="ltr"] .contact-card,
html[dir="ltr"] .form-card,
html[dir="ltr"] .form-label,
html[dir="ltr"] .form-input,
.lang-en .contact-card,
.lang-en .form-card,
.lang-en .form-label,
.lang-en .form-input {
  text-align: left !important;
  direction: ltr !important;
}

html[lang="en"] .contact-row,
html[dir="ltr"] .contact-row,
.lang-en .contact-row {
  text-align: left !important;
  justify-content: flex-start !important;
}

html[lang="en"] .footer-content,
html[dir="ltr"] .footer-content,
.lang-en .footer-content {
  direction: ltr !important;
  text-align: left !important;
}

html[lang="en"] .nav-links,
html[dir="ltr"] .nav-links,
.lang-en .nav-links {
  direction: ltr !important;
}

html[lang="en"] .lightbox-header,
html[dir="ltr"] .lightbox-header,
.lang-en .lightbox-header {
  direction: ltr !important;
}

html[lang="en"] .lightbox-body,
html[dir="ltr"] .lightbox-body,
.lang-en .lightbox-body {
  text-align: left !important;
}

html[lang="en"] .back-to-top,
html[dir="ltr"] .back-to-top,
.lang-en .back-to-top {
  left: auto !important;
  right: 20px !important;
}