/* =====================================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ===================================================== */
:root {
  /* Light Mode Colors */
  --bg:           #FAF7F2;
  --bg-alt:       #F2EBE0;
  --surface:      #FFFFFF;
  --surface-2:    #FDF9F5;
  --primary:      #8B5E3C;
  --primary-h:    #9D6E4A;
  --accent:       #D4A574;
  --accent-light: #EDD9B8;
  --text:         #2C1810;
  --text-2:       #5C3D28;
  --text-muted:   #9C7A65;
  --border:       #E5D8CA;
  --border-light: #F0E8DE;
  --shadow-sm:    rgba(139,94,60,.06);
  --shadow-md:    rgba(139,94,60,.14);
  --shadow-lg:    rgba(139,94,60,.24);

  /* Misc */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius:    16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;
  --transition: all .3s cubic-bezier(.4,0,.2,1);
  --transition-slow: all .6s cubic-bezier(.4,0,.2,1);
}

[data-theme="dark"] {
  --bg:           #1C1812;
  --bg-alt:       #231E17;
  --surface:      #2B231B;
  --surface-2:    #342B22;
  --primary:      #C8956A;
  --primary-h:    #D4A574;
  --accent:       #D4A574;
  --accent-light: #4A3020;
  --text:         #F2E8DA;
  --text-2:       #C4A880;
  --text-muted:   #876550;
  --border:       #3A2E22;
  --border-light: #2E241A;
  --shadow-sm:    rgba(0,0,0,.2);
  --shadow-md:    rgba(0,0,0,.35);
  --shadow-lg:    rgba(0,0,0,.5);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Outfit', 'Sarabun', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.65;
  transition: background-color .4s ease, color .4s ease;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

[data-lang="th"] body,
[data-lang="th"] {
  font-family: 'Sarabun', 'Outfit', sans-serif;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }

/* =====================================================
   LAYOUT UTILITIES
   ===================================================== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 110px 0;
  position: relative;
}

.section-alt {
  background-color: var(--bg-alt);
}

/* =====================================================
   SECTION HEADERS
   ===================================================== */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 2.5px;
  padding: 5px 18px;
  background: var(--accent-light);
  border-radius: var(--radius-full);
  margin-bottom: .85rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--text);
  display: inline-block;
  position: relative;
  letter-spacing: -1px;
}

.section-title::after {
  content: '';
  display: block;
  width: 56px;
  height: 4px;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--primary), var(--accent));
  margin: .7rem auto 0;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-top: 1rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* =====================================================
   NAVBAR
   ===================================================== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(250, 247, 242, .88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition), box-shadow .3s;
}

[data-theme="dark"] #navbar {
  background: rgba(28, 24, 18, .88);
}

#navbar.scrolled {
  box-shadow: 0 4px 32px var(--shadow-md);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -2px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-size: .93rem;
  font-weight: 500;
  color: var(--text-2);
  position: relative;
  padding-bottom: 2px;
  transition: color .25s;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--primary);
  border-radius: var(--radius-full);
  transition: width .3s ease;
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.nav-controls button {
  background: var(--surface);
  border: 1.5px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-full);
  padding: 7px 16px;
  font-size: .88rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: .4rem;
  transition: var(--transition);
}

.nav-controls button:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px var(--shadow-md);
}

/* Hamburger */
.nav-hamburger {
  display: none !important;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 9px 12px !important;
  border-radius: var(--radius-sm) !important;
}

.nav-hamburger span {
  width: 20px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
  display: block;
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 1rem 2rem 1.5rem;
  border-top: 1px solid var(--border);
  gap: .25rem;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  color: var(--text-2);
  font-weight: 500;
  padding: .6rem .5rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  font-size: .98rem;
}

.mobile-menu a:hover {
  color: var(--primary);
  background: var(--accent-light);
  padding-left: 1rem;
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: 13px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: .95rem;
  font-family: inherit;
  border: none;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  box-shadow: 0 4px 20px var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px var(--shadow-lg);
  filter: brightness(1.05);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--shadow-md);
}

/* =====================================================
   HERO
   ===================================================== */
#hero {
  min-height: 100vh;
  padding: 130px 2rem 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 15% 50%, rgba(212,165,116,.18) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 85% 20%, rgba(139,94,60,.12) 0%, transparent 55%),
    radial-gradient(ellipse 40% 60% at 65% 85%, rgba(212,165,116,.1) 0%, transparent 50%);
  pointer-events: none;
}

/* Subtle floating dots */
.hero-bg-pattern::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--border) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: .4;
}

.hero-container {
  max-width: 1100px;
  width: 100%;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

/* Left Text */
.hero-greeting {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: .3rem;
}

.hero-name {
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  font-weight: 900;
  letter-spacing: -3px;
  line-height: 1.05;
  margin-bottom: .8rem;
}

.hero-name .accent {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-typewriter {
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--text-2);
  margin-bottom: 1.4rem;
  min-height: 2rem;
}

.cursor {
  display: inline-block;
  color: var(--primary);
  animation: blink 1s step-end infinite;
  font-weight: 300;
  margin-left: 1px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.hero-bio {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.85;
  max-width: 500px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero-socials {
  display: flex;
  gap: .75rem;
}

.social-link {
  width: 44px; height: 44px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--border);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  color: var(--text-2);
  transition: var(--transition);
}

.social-link:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px var(--shadow-md);
}

/* Avatar Right */
.hero-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.avatar-ring {
  position: relative;
  width: 310px;
  height: 310px;
  flex-shrink: 0;
}

.avatar-ring::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: conic-gradient(
    var(--primary) 0%,
    var(--accent) 30%,
    transparent 50%,
    var(--accent-light) 70%,
    var(--primary) 100%
  );
  animation: ring-spin 8s linear infinite;
}

@keyframes ring-spin {
  to { transform: rotate(360deg); }
}

.avatar-ring-inner {
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--bg-alt);
  z-index: 1;
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.avatar-badge {
  position: absolute;
  bottom: 16px;
  right: -24px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border-radius: var(--radius);
  padding: 10px 18px;
  font-size: .85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: .5rem;
  box-shadow: 0 8px 24px var(--shadow-md);
  z-index: 2;
  white-space: nowrap;
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  color: var(--text-muted);
  font-size: .72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.scroll-line {
  width: 1.5px;
  height: 44px;
  background: linear-gradient(to bottom, var(--primary), transparent);
  border-radius: var(--radius-full);
  animation: scroll-down-anim 2s ease-in-out infinite;
}

@keyframes scroll-down-anim {
  0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50%  { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: translateY(16px); }
}

/* =====================================================
   ABOUT
   ===================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  color: var(--text-2);
  line-height: 1.95;
  font-size: 1.05rem;
  margin-bottom: 1.2rem;
}

.about-text p:last-child { margin-bottom: 0; }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem 1rem;
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 10px 32px var(--shadow-md);
}

.stat-number {
  display: block;
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: -2px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: .4rem;
}

.stat-label {
  font-size: .75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .8px;
}

/* =====================================================
   SKILLS
   ===================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.skill-category {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
}

.skill-category:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 14px 44px var(--shadow-md);
}

.skill-cat-title {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 1.4rem;
  padding-bottom: .8rem;
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: .5px;
}

.skill-cat-title i { font-size: 1rem; }

.skill-pills {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
}

.skill-pill {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 7px 16px;
  font-size: .88rem;
  font-weight: 500;
  transition: var(--transition);
  cursor: default;
  color: var(--text);
}

.skill-pill img {
  width: 18px; height: 18px;
  object-fit: contain;
}

.skill-pill:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--shadow-md);
}

.skill-pill:hover img {
  filter: brightness(0) invert(1);
}

/* =====================================================
   EXPERIENCE — TIMELINE
   ===================================================== */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 2.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--accent), transparent);
  border-radius: var(--radius-full);
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
}

.timeline-dot {
  position: absolute;
  left: -3rem;
  top: 1.75rem;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 3px var(--primary);
  transition: var(--transition);
}

.timeline-item:hover .timeline-dot {
  transform: scale(1.3);
  box-shadow: 0 0 0 5px rgba(139,94,60,.25);
}

.timeline-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 2.25rem;
  transition: var(--transition);
}

.timeline-card:hover {
  transform: translateX(8px);
  border-color: var(--primary);
  box-shadow: 0 10px 36px var(--shadow-md);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1rem;
}

.timeline-position {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text);
}

.timeline-company {
  font-size: .95rem;
  color: var(--primary);
  font-weight: 600;
  margin-top: .25rem;
}

.timeline-duration {
  font-size: .82rem;
  color: var(--text-muted);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 4px 14px;
  white-space: nowrap;
  font-weight: 600;
}

.timeline-desc {
  color: var(--text-2);
  line-height: 1.85;
  font-size: .97rem;
  margin-bottom: 1.25rem;
}

.timeline-list {
  color: var(--text-2);
  line-height: 1.8;
  font-size: .95rem;
  margin: 0 0 1.25rem;
  padding-left: 1.25rem;
}

.timeline-list li {
  margin-bottom: .35rem;
}

/* ===== LANGUAGES STRIP ===== */
.languages-strip {
  margin-top: 2.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg, 16px);
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  align-items: center;
  justify-content: space-between;
}

.languages-title {
  display: flex;
  align-items: center;
  gap: .65rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}

.languages-title i {
  color: var(--primary);
}

.languages-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.75rem;
}

.lang-item {
  display: flex;
  align-items: baseline;
  gap: .6rem;
}

.lang-name {
  font-weight: 600;
  color: var(--text);
}

.lang-level {
  font-size: .85rem;
  color: var(--text-2);
  background: var(--accent-light);
  color: var(--primary);
  border-radius: var(--radius-full);
  padding: 3px 11px;
  font-weight: 600;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.tag {
  background: var(--accent-light);
  color: var(--primary);
  border-radius: var(--radius-full);
  padding: 4px 13px;
  font-size: .78rem;
  font-weight: 600;
}

/* =====================================================
   EDUCATION
   ===================================================== */
.edu-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  max-width: 680px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.edu-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 5px;
  background: linear-gradient(to bottom, var(--primary), var(--accent));
  border-radius: 0 4px 4px 0;
}

.edu-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 14px 44px var(--shadow-md);
}

.edu-icon {
  flex-shrink: 0;
  width: 72px; height: 72px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.9rem;
  color: #fff;
}

.edu-content h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: .3rem;
}

.edu-uni {
  color: var(--primary);
  font-weight: 700;
  font-size: .97rem;
  margin-bottom: .25rem;
}

.edu-year {
  color: var(--text-muted);
  font-size: .88rem;
}

.edu-badge {
  margin-left: auto;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 1.6rem;
  font-weight: 900;
  border-radius: var(--radius);
  padding: .85rem 1.2rem;
  letter-spacing: -1px;
}

/* =====================================================
   PROJECTS
   ===================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  transition: var(--transition);
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary);
  box-shadow: 0 20px 56px var(--shadow-md);
}

.project-thumb {
  height: 175px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: rgba(255,255,255,.5);
  position: relative;
}

.project-thumb--1 {
  background: linear-gradient(135deg, #8B5E3C, #C8956A);
}

.project-thumb--2 {
  background: linear-gradient(135deg, #6B4528, #8B5E3C);
}

.project-thumb--3 {
  background: linear-gradient(135deg, #A87350, #D4A574);
}

.project-info {
  padding: 1.5rem;
}

.project-info h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: .45rem;
}

.project-info p {
  color: var(--text-2);
  font-size: .9rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(44, 24, 16, .88);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: .5px;
  backdrop-filter: blur(4px);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

/* =====================================================
   CONTACT
   ===================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 860px;
  margin: 0 auto;
}

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  transition: var(--transition);
  cursor: pointer;
}

.contact-card:hover {
  transform: translateY(-7px);
  border-color: var(--primary);
  box-shadow: 0 16px 48px var(--shadow-md);
}

.contact-card--disabled {
  opacity: .55;
  cursor: not-allowed;
}

.contact-card--disabled:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--border);
}

.contact-icon {
  width: 66px; height: 66px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  transition: var(--transition);
}

.contact-card:hover .contact-icon {
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 8px 24px var(--shadow-md);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: .3rem;
}

.contact-label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
}

.contact-value {
  font-size: .88rem;
  color: var(--primary);
  font-weight: 600;
  word-break: break-all;
}

/* =====================================================
   FOOTER
   ===================================================== */
#footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
  text-align: center;
}

#footer p {
  color: var(--text-muted);
  font-size: .9rem;
  line-height: 1.9;
}

.heart {
  display: inline-block;
  animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.25); }
}

.footer-copy {
  font-size: .8rem !important;
  margin-top: .2rem;
  opacity: .7;
}

/* AI Tools full-width card */
.skill-category--ai {
  grid-column: 1 / -1;
}

/* Simple Icons (si-icon) — default black SVG */
.si-icon {
  filter: brightness(0) opacity(0.75);
  transition: filter .25s;
}

/* Invert to white on hover (pill bg turns brown) */
.skill-pill:hover .si-icon {
  filter: brightness(0) invert(1) !important;
}

/* Dark mode: make icons light */
[data-theme="dark"] .si-icon {
  filter: brightness(0) invert(0.8);
}

[data-theme="dark"] .skill-pill:hover .si-icon {
  filter: brightness(0) invert(1) !important;
}

/* Antigravity / Codex / ChatGPT FA icons */
.ai-fa-icon {
  font-size: 16px;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ai-color, var(--primary));
  transition: color .25s;
}

.skill-pill:hover .ai-fa-icon {
  color: #fff;
}

/* Stagger AI pills */
.skill-category--ai .skill-pill:nth-child(2) { transition-delay: .05s; }
.skill-category--ai .skill-pill:nth-child(3) { transition-delay: .10s; }
.skill-category--ai .skill-pill:nth-child(4) { transition-delay: .15s; }
.skill-category--ai .skill-pill:nth-child(5) { transition-delay: .20s; }
.skill-category--ai .skill-pill:nth-child(6) { transition-delay: .25s; }
.skill-category--ai .skill-pill:nth-child(7) { transition-delay: .30s; }


/* =====================================================
   SCROLL REVEAL ANIMATIONS
   ===================================================== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .75s cubic-bezier(.4,0,.2,1),
              transform .75s cubic-bezier(.4,0,.2,1);
}

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

/* Stagger siblings inside grids */
.skills-grid    .reveal:nth-child(2) { transition-delay: .08s; }
.skills-grid    .reveal:nth-child(3) { transition-delay: .16s; }
.skills-grid    .reveal:nth-child(4) { transition-delay: .24s; }

.projects-grid  .reveal:nth-child(2) { transition-delay: .12s; }
.projects-grid  .reveal:nth-child(3) { transition-delay: .24s; }

.about-stats    .stat-card:nth-child(2) { transition-delay: .08s; }
.about-stats    .stat-card:nth-child(3) { transition-delay: .16s; }
.about-stats    .stat-card:nth-child(4) { transition-delay: .24s; }

/* =====================================================
   RESPONSIVE — TABLET
   ===================================================== */
@media (max-width: 900px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  .hero-content { order: 2; }
  .hero-avatar  { order: 1; }
  .hero-bio     { max-width: 100%; margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-socials { justify-content: center; }

  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}

/* =====================================================
   RESPONSIVE — MOBILE
   ===================================================== */
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex !important; }

  .section { padding: 75px 0; }

  .avatar-ring { width: 230px; height: 230px; }
  .avatar-badge { right: 0; bottom: 0; font-size: .78rem; padding: 8px 14px; }

  .projects-grid { grid-template-columns: 1fr; }

  .edu-badge { display: none; }
  .edu-card  { gap: 1.25rem; }

  .timeline-header { flex-direction: column; }

  .btn { padding: 11px 22px; font-size: .9rem; }
}

@media (max-width: 400px) {
  .hero-name { font-size: 2.4rem; letter-spacing: -2px; }
  .container { padding: 0 1.25rem; }
}