/* =============================================
   Rohit Gulati — Portfolio Stylesheet
   Palette: Teal on clean neutrals with dark hero
   ============================================= */

:root {
  /* Teal scale */
  --teal-50:  #f0fdfa;
  --teal-100: #ccfbf1;
  --teal-200: #99f6e4;
  --teal-300: #5eead4;
  --teal-400: #2dd4bf;
  --teal-500: #14b8a6;
  --teal-600: #0d9488;
  --teal-700: #0f766e;
  --teal-800: #115e59;
  --teal-900: #134e4a;
  --teal-950: #042f2e;

  /* Neutrals */
  --bg:          #ffffff;
  --bg-alt:      #f6fbfa;
  --surface:     #ffffff;
  --ink:         #0b1220;
  --ink-2:       #1f2937;
  --muted:       #5b6b7a;
  --line:        #e6edf1;

  /* Dark hero */
  --dark:        #061615;
  --dark-2:      #0a1f1e;
  --dark-ink:    #e6fffb;
  --dark-muted:  #93b3ae;

  /* Accents */
  --accent:      var(--teal-500);
  --accent-2:    var(--teal-600);
  --accent-soft: var(--teal-100);

  /* Radii, shadows */
  --r-sm: 8px;
  --r:    14px;
  --r-lg: 22px;
  --r-xl: 32px;
  --shadow-1: 0 1px 2px rgba(15, 118, 110, .06), 0 2px 8px rgba(15, 118, 110, .05);
  --shadow-2: 0 10px 30px rgba(15, 118, 110, .12), 0 4px 10px rgba(15, 118, 110, .06);
  --shadow-3: 0 20px 60px rgba(15, 118, 110, .22);

  /* Type */
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Space Grotesk", "Inter", sans-serif;

  /* Motion */
  --ease: cubic-bezier(.22, 1, .36, 1);
  --dur: .6s;
}

/* =============================================
   Base
   ============================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--accent-2); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--teal-800); }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; letter-spacing: -.02em; line-height: 1.15; margin: 0; color: var(--ink); }
p { margin: 0 0 1rem; }
strong { color: var(--ink); }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.text-gradient {
  background: linear-gradient(135deg, var(--teal-400) 0%, var(--teal-600) 60%, var(--teal-800) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* =============================================
   Loader
   ============================================= */
.loader {
  position: fixed; inset: 0; z-index: 9999;
  display: grid; place-items: center;
  background: var(--dark);
  color: var(--teal-300);
  transition: opacity .5s var(--ease), visibility .5s;
}
.loader.is-done { opacity: 0; visibility: hidden; }
.loader-ring {
  width: 64px; height: 64px;
  border: 2px solid rgba(94, 234, 212, .18);
  border-top-color: var(--teal-400);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  position: absolute;
}
.loader-text {
  font-family: var(--font-display);
  font-weight: 700; font-size: 14px;
  letter-spacing: .18em;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* =============================================
   Custom cursor (desktop)
   ============================================= */
.cursor, .cursor-dot { position: fixed; top: 0; left: 0; pointer-events: none; z-index: 9990; mix-blend-mode: difference; }
.cursor {
  width: 28px; height: 28px; border: 1.5px solid var(--teal-400); border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: transform .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease), opacity .2s;
}
.cursor-dot {
  width: 6px; height: 6px; background: var(--teal-400); border-radius: 50%;
  transform: translate(-50%, -50%);
}
.cursor.is-hover { transform: translate(-50%, -50%) scale(1.6); background: rgba(45, 212, 191, .15); }
@media (hover: none) { .cursor, .cursor-dot { display: none; } body { cursor: auto; } }

/* =============================================
   Buttons
   ============================================= */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 600; font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
  white-space: nowrap;
}
.btn-sm { padding: 8px 14px; font-size: 13px; }
.btn-primary {
  background: linear-gradient(135deg, var(--teal-500), var(--teal-700));
  color: #fff;
  box-shadow: 0 8px 24px rgba(20, 184, 166, .28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(20, 184, 166, .38); color: #fff; }
.btn-outline {
  background: transparent; color: var(--teal-700);
  border-color: var(--teal-500);
}
.btn-outline:hover { background: var(--teal-500); color: #fff; transform: translateY(-2px); }
.btn-ghost {
  background: rgba(20, 184, 166, .08); color: var(--teal-800);
  border-color: rgba(20, 184, 166, .18);
}
.btn-ghost:hover { background: rgba(20, 184, 166, .16); }

/* =============================================
   Navigation
   ============================================= */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 32px;
  transition: background .3s var(--ease), backdrop-filter .3s var(--ease), box-shadow .3s var(--ease), padding .3s var(--ease);
}
.nav.is-scrolled {
  background: rgba(255, 255, 255, .72);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, .04);
  padding: 10px 32px;
}
.nav-brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; color: var(--ink);
}
.nav-brand-mark {
  display: grid; place-items: center;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--teal-500), var(--teal-800));
  color: #fff; font-family: var(--font-display); font-weight: 700;
  box-shadow: var(--shadow-1);
}
.nav-brand-name { font-family: var(--font-display); letter-spacing: -.01em; }

.nav-links {
  display: flex; gap: 6px; align-items: center;
  background: rgba(255, 255, 255, .6);
  padding: 6px;
  border-radius: 999px;
  border: 1px solid rgba(15, 118, 110, .1);
  backdrop-filter: blur(8px);
}
.nav-link {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px; font-weight: 500;
  color: var(--ink-2);
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav-link:hover, .nav-link.is-active { color: var(--teal-800); background: var(--teal-50); }

.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  background: transparent; border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  padding: 0; align-items: center; justify-content: center;
  flex-direction: column; gap: 4px;
}
.nav-toggle span { width: 18px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* =============================================
   Hero
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 0 80px;
  background: radial-gradient(1200px 600px at 80% 10%, rgba(94, 234, 212, .18), transparent 60%),
              radial-gradient(900px 500px at 10% 90%, rgba(13, 148, 136, .12), transparent 60%),
              linear-gradient(180deg, #ffffff 0%, #f0fdfa 100%);
  overflow: hidden;
}
.hero-inner {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px;
  align-items: center; position: relative; z-index: 2;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(20, 184, 166, .08);
  border: 1px solid rgba(20, 184, 166, .18);
  color: var(--teal-800);
  font-size: 13px; font-weight: 500;
  margin-bottom: 20px;
}
.pulse-dot {
  width: 8px; height: 8px; background: var(--teal-500); border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(20, 184, 166, .6);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(20, 184, 166, .55); }
  70% { box-shadow: 0 0 0 12px rgba(20, 184, 166, 0); }
  100% { box-shadow: 0 0 0 0 rgba(20, 184, 166, 0); }
}
.hero-title {
  font-size: clamp(2.4rem, 5.4vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -.03em;
  margin: 0 0 20px;
}
.typewriter { color: var(--teal-700); }
.caret { color: var(--teal-500); animation: blink 1s steps(2) infinite; margin-left: 2px; }
@keyframes blink { 50% { opacity: 0; } }
.hero-sub {
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  max-width: 560px;
  margin-bottom: 28px;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 40px; }

.hero-metrics {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  max-width: 520px;
}
.metric {
  padding: 16px 18px;
  border-radius: var(--r);
  background: rgba(255, 255, 255, .75);
  border: 1px solid rgba(15, 118, 110, .1);
  backdrop-filter: blur(6px);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.metric:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.metric-value {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  color: var(--teal-700);
  line-height: 1;
}
.metric-label { font-size: 12px; color: var(--muted); margin-top: 6px; letter-spacing: .01em; }

/* Hero right — photo with rings and floating chips */
.hero-right { display: flex; justify-content: center; }
.hero-photo {
  position: relative;
  width: min(420px, 100%);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal-100), var(--teal-300));
  display: grid; place-items: center;
  overflow: visible;
  animation: float 6s ease-in-out infinite;
}
@keyframes float { 50% { transform: translateY(-14px); } }
.hero-photo img {
  width: 92%; height: 92%;
  border-radius: 50%;
  object-fit: cover;
  border: 6px solid #fff;
  box-shadow: var(--shadow-3);
}
.hero-photo-ring {
  position: absolute; inset: -16px;
  border-radius: 50%;
  border: 2px dashed rgba(20, 184, 166, .35);
  animation: spin 30s linear infinite;
}
.floating-chip {
  position: absolute;
  padding: 8px 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--teal-200);
  color: var(--teal-800);
  font-size: 12px; font-weight: 600;
  box-shadow: var(--shadow-2);
  animation: floatChip 5s ease-in-out infinite;
}
.chip-1 { top: 8%; left: -8%; animation-delay: 0s; }
.chip-2 { top: 20%; right: -14%; animation-delay: .6s; }
.chip-3 { bottom: 18%; left: -12%; animation-delay: 1.2s; }
.chip-4 { bottom: 6%; right: -6%; animation-delay: 1.8s; }
@keyframes floatChip { 50% { transform: translateY(-10px); } }

/* Orbs / grid background */
.orbs { position: absolute; inset: 0; pointer-events: none; z-index: 1; }
.orbs-inside { z-index: 0; }
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(60px); opacity: .5;
}
.orb-1 { width: 380px; height: 380px; background: var(--teal-300); top: -80px; left: -80px; animation: drift 14s ease-in-out infinite; }
.orb-2 { width: 260px; height: 260px; background: var(--teal-500); bottom: 40px; right: 20%; opacity: .35; animation: drift 18s ease-in-out infinite reverse; }
.orb-3 { width: 320px; height: 320px; background: var(--teal-200); bottom: -100px; right: -60px; animation: drift 20s ease-in-out infinite; }
@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -20px) scale(1.08); }
}
.grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(15, 118, 110, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 118, 110, .05) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 75%);
  z-index: 1;
  pointer-events: none;
}

/* Scroll cue */
.scroll-cue {
  position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--muted); font-size: 11px; letter-spacing: .2em; text-transform: uppercase;
  z-index: 3;
}
.scroll-cue-line { width: 1px; height: 40px; background: linear-gradient(180deg, transparent, var(--teal-500)); position: relative; overflow: hidden; }
.scroll-cue-line::after {
  content: ""; position: absolute; top: -40px; left: 0; right: 0;
  height: 40px; background: linear-gradient(180deg, transparent, var(--teal-500));
  animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine { 0% { top: -40px; } 100% { top: 100%; } }

/* =============================================
   Marquee
   ============================================= */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, var(--teal-50), #fff, var(--teal-50));
  padding: 18px 0;
}
.marquee-track {
  display: flex; gap: 42px; white-space: nowrap;
  animation: marquee 30s linear infinite;
  font-family: var(--font-display); font-weight: 600;
  color: var(--teal-800);
}
.marquee-track span:nth-child(even) { color: var(--teal-400); font-weight: 400; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* =============================================
   Section shells
   ============================================= */
.section { padding: 120px 0; position: relative; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 780px; margin: 0 auto 60px; text-align: center; }
.eyebrow {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--teal-50);
  color: var(--teal-700);
  font-size: 12px; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  margin-bottom: 18px;
  border: 1px solid var(--teal-100);
}
.section-title {
  font-size: clamp(2rem, 3.6vw, 3rem);
  margin-bottom: 14px;
}
.section-sub { color: var(--muted); font-size: 1.05rem; }

/* =============================================
   About
   ============================================= */
.about-grid {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px;
  align-items: start;
}
.about-copy p { color: var(--muted); font-size: 1.05rem; }
.about-copy strong { color: var(--ink); }
.about-quick {
  display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px;
}
.quick-item {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px; color: var(--ink-2);
  box-shadow: var(--shadow-1);
}
.about-card {
  padding: 28px;
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, #fff 40%, var(--teal-50) 120%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-2);
  position: sticky; top: 100px;
}
.about-card-header { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.about-avatar {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--teal-300), var(--teal-600));
  overflow: hidden; padding: 3px;
}
.about-avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.about-card-name { font-family: var(--font-display); font-weight: 700; color: var(--ink); }
.about-card-role { font-size: 13px; color: var(--muted); }
.about-card-list { list-style: none; margin: 0; padding: 0; }
.about-card-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: 14px;
}
.about-card-list li:last-child { border-bottom: none; }
.about-card-list span { color: var(--muted); }
.about-card-list strong { color: var(--ink); }
.pill-live {
  padding: 3px 10px; border-radius: 999px;
  background: var(--teal-500); color: #fff !important;
  font-size: 12px; font-weight: 600;
}

/* =============================================
   Services grid
   ============================================= */
.services-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.service-card {
  padding: 0;
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--line);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--teal-300);
  box-shadow: var(--shadow-2);
}

/* Service image header */
.service-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(135deg, var(--teal-100), var(--teal-300));
}
.service-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s var(--ease), filter .6s var(--ease);
  filter: saturate(.9);
}
.service-card:hover .service-media img {
  transform: scale(1.06);
  filter: saturate(1.05);
}
.service-media::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(4, 47, 46, 0) 45%, rgba(4, 47, 46, .55) 100%),
    linear-gradient(135deg, rgba(20, 184, 166, .12), rgba(15, 118, 110, .18));
  pointer-events: none;
  mix-blend-mode: multiply;
}

/* Service body */
.service-body {
  padding: 22px 24px 24px;
  display: flex; flex-direction: column; flex: 1;
}
.service-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.service-card p { color: var(--muted); font-size: .95rem; margin-bottom: 14px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.service-tags span {
  font-size: 11px; padding: 4px 10px;
  background: var(--teal-50); color: var(--teal-700);
  border-radius: 999px; border: 1px solid var(--teal-100);
}

/* =============================================
   Timeline
   ============================================= */
.timeline {
  position: relative;
  max-width: 820px; margin: 0 auto;
  padding-left: 32px;
}
.timeline::before {
  content: ""; position: absolute;
  top: 0; bottom: 0; left: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--teal-300), var(--teal-100));
}
.timeline-item { position: relative; padding-bottom: 40px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute; left: -32px; top: 6px;
  width: 18px; height: 18px; border-radius: 50%;
  background: #fff;
  border: 3px solid var(--teal-500);
  box-shadow: 0 0 0 4px rgba(20, 184, 166, .12);
}
.timeline-content {
  padding: 20px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow-1);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.timeline-content:hover { transform: translateX(4px); box-shadow: var(--shadow-2); }
.timeline-meta { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; flex-wrap: wrap; }
.timeline-year {
  font-size: 12px; font-weight: 600;
  color: var(--teal-700);
  background: var(--teal-50);
  padding: 3px 10px; border-radius: 999px;
}
.timeline-type {
  font-size: 11px; color: var(--muted);
  text-transform: uppercase; letter-spacing: .1em;
}
.timeline-content h3 { font-size: 1.15rem; margin-bottom: 6px; }
.timeline-content p { color: var(--muted); font-size: .95rem; margin-bottom: 10px; }
.timeline-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.timeline-tags span {
  font-size: 11px; padding: 3px 10px;
  background: var(--teal-50); color: var(--teal-700);
  border-radius: 999px;
}

/* =============================================
   Projects
   ============================================= */
.project-filters {
  display: flex; flex-wrap: wrap; gap: 8px;
  justify-content: center; margin-bottom: 40px;
}
.filter-btn {
  padding: 8px 16px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 13px; font-weight: 500;
  cursor: pointer;
  transition: all .2s var(--ease);
}
.filter-btn:hover { border-color: var(--teal-400); color: var(--teal-700); }
.filter-btn.is-active {
  background: var(--teal-600); color: #fff; border-color: var(--teal-600);
  box-shadow: 0 6px 16px rgba(13, 148, 136, .25);
}

.projects-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.project-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), opacity .3s var(--ease);
  display: flex; flex-direction: column;
}
.project-card.is-hidden { opacity: 0; transform: scale(.95); pointer-events: none; display: none; }
.project-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-3); }
.project-cover {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--teal-100), var(--teal-300));
  position: relative;
  overflow: hidden;
  cursor: zoom-in;
}
.project-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s var(--ease);
}
.project-card:hover .project-cover img { transform: scale(1.06); }
.project-cover::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(4, 47, 46, 0) 45%, rgba(4, 47, 46, .55) 100%);
  pointer-events: none;
}
.project-cat {
  position: absolute; top: 14px; left: 14px;
  padding: 5px 12px;
  background: rgba(255, 255, 255, .95);
  color: var(--teal-800);
  border-radius: 999px;
  font-size: 11px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  z-index: 2;
  box-shadow: var(--shadow-1);
}
.project-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.project-body h3 { font-size: 1.2rem; margin-bottom: 8px; }
.project-body > p { color: var(--muted); font-size: .95rem; margin-bottom: 16px; }
.project-stats {
  display: flex; gap: 18px;
  padding: 12px 0;
  border-top: 1px dashed var(--line);
  border-bottom: 1px dashed var(--line);
  margin-bottom: 14px;
}
.project-stats span { font-size: 12px; color: var(--muted); }
.project-stats strong { display: block; color: var(--teal-700); font-family: var(--font-display); font-size: 1.1rem; }
.project-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.project-tags span {
  font-size: 11px; padding: 3px 10px;
  background: var(--teal-50); color: var(--teal-700);
  border-radius: 999px;
}

/* =============================================
   Certifications
   ============================================= */
.certs-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.cert-card {
  display: flex; align-items: center; gap: 16px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  color: var(--ink);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.cert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: var(--teal-300); color: var(--ink); }
.cert-badge {
  width: 56px; height: 56px; flex: none;
  display: grid; place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--g1, var(--teal-500)), var(--g2, var(--teal-800)));
  color: #fff;
  font-family: var(--font-display); font-weight: 700; font-size: 20px;
  box-shadow: var(--shadow-1);
}
.cert-body h3 { font-size: 1rem; margin-bottom: 4px; }
.cert-body p { font-size: 13px; color: var(--muted); margin: 0 0 6px; }
.cert-view { font-size: 12px; color: var(--teal-700); font-weight: 600; }

/* =============================================
   Stats
   ============================================= */
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.stat {
  padding: 32px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  text-align: center;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  position: relative; overflow: hidden;
}
.stat::before {
  content: ""; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(20, 184, 166, .08) 90deg, transparent 180deg);
  animation: rotateBG 12s linear infinite; opacity: 0; transition: opacity .3s;
}
.stat:hover { transform: translateY(-6px); box-shadow: var(--shadow-3); }
.stat:hover::before { opacity: 1; }
@keyframes rotateBG { to { transform: rotate(360deg); } }
.stat-value {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2rem, 4vw, 3rem);
  background: linear-gradient(135deg, var(--teal-500), var(--teal-800));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1;
  position: relative; z-index: 1;
}
.stat-label {
  font-size: 13px; color: var(--muted);
  margin-top: 12px;
  position: relative; z-index: 1;
}

/* =============================================
   Contact card
   ============================================= */
.contact-card {
  position: relative;
  padding: 60px 40px;
  border-radius: var(--r-xl);
  background: linear-gradient(160deg, var(--dark) 0%, var(--dark-2) 60%, var(--teal-950) 100%);
  color: var(--dark-ink);
  overflow: hidden;
  text-align: center;
  box-shadow: var(--shadow-3);
}
.contact-card .section-title { color: var(--dark-ink); }
.contact-card .section-sub { color: var(--dark-muted); }
.contact-card .eyebrow { background: rgba(94, 234, 212, .1); color: var(--teal-200); border-color: rgba(94, 234, 212, .18); }
.contact-inner { position: relative; z-index: 2; max-width: 720px; margin: 0 auto; }
.contact-ctas { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin: 28px 0 32px; }
.contact-card .btn-outline { color: var(--teal-200); border-color: var(--teal-400); }
.contact-card .btn-outline:hover { background: var(--teal-400); color: var(--dark); }

.download-row {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px; margin-bottom: 32px;
}
.download-btn {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 20px; text-align: left;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(94, 234, 212, .2);
  border-radius: var(--r);
  color: var(--dark-ink);
  transition: transform .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease);
}
.download-btn:hover { transform: translateY(-3px); background: rgba(94, 234, 212, .12); border-color: var(--teal-400); color: var(--dark-ink); }
.download-ico {
  width: 44px; height: 44px; flex: none;
  display: grid; place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--teal-400), var(--teal-700));
  font-size: 20px;
}
.download-btn strong { display: block; font-family: var(--font-display); color: #fff; }
.download-btn span { font-size: 12px; color: var(--dark-muted); }

.contact-meta {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 24px;
  font-size: 14px; color: var(--dark-muted);
}
.contact-meta div { display: inline-flex; align-items: center; gap: 8px; }
.contact-meta span { font-size: 16px; }

/* =============================================
   Footer
   ============================================= */
.footer {
  padding: 40px 0 30px;
  border-top: 1px solid var(--line);
  background: #fff;
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand strong { display: block; font-family: var(--font-display); font-size: 15px; }
.footer-brand span { display: block; font-size: 12px; color: var(--muted); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--muted); font-size: 14px; }
.footer-links a:hover { color: var(--teal-700); }
.footer-copy { color: var(--muted); font-size: 13px; }

/* Back to top */
.to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 90;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal-500), var(--teal-800));
  color: #fff; font-size: 18px; font-weight: 700;
  box-shadow: var(--shadow-2);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { transform: translateY(-4px); color: #fff; }

/* =============================================
   Reveal on scroll
   ============================================= */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
[data-reveal].is-revealed { opacity: 1; transform: translateY(0); }

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: left; }
  .hero-right { order: -1; margin-top: 20px; }
  .hero-photo { width: 260px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-card { position: static; }
}

@media (max-width: 720px) {
  .nav { padding: 12px 20px; }
  .nav.is-scrolled { padding: 10px 20px; }
  .nav-links {
    position: fixed; top: 70px; left: 20px; right: 20px;
    flex-direction: column; align-items: stretch;
    padding: 12px; gap: 4px;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(14px);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-3);
    transform-origin: top;
    transform: scaleY(0);
    opacity: 0;
    transition: transform .25s var(--ease), opacity .2s;
    pointer-events: none;
  }
  .nav-links.is-open {
    transform: scaleY(1); opacity: 1; pointer-events: auto;
  }
  .nav-link { padding: 12px 14px; text-align: center; }
  .nav-toggle { display: inline-flex; }
  .nav-brand-name { display: none; }

  .hero { padding: 100px 0 60px; min-height: auto; }
  .hero-title { font-size: 2.2rem; }
  .hero-metrics { grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
  .metric { padding: 12px; }
  .floating-chip { font-size: 11px; padding: 6px 10px; }
  .chip-1 { left: 0; }
  .chip-2 { right: 0; }
  .chip-3 { left: 0; }
  .chip-4 { right: 0; }

  .section { padding: 80px 0; }
  .section-head { margin-bottom: 40px; }

  .contact-card { padding: 40px 24px; }
  .contact-meta { gap: 12px; font-size: 13px; }
  .footer-inner { flex-direction: column; text-align: center; gap: 16px; }
}

@media (max-width: 420px) {
  .hero-metrics { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .hero-ctas .btn { justify-content: center; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}


/* =============================================
   Lightbox (project image preview)
   ============================================= */
.lightbox {
  position: fixed; inset: 0; z-index: 9500;
  background: rgba(4, 47, 46, .92);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: 40px;
  opacity: 0; visibility: hidden;
  transition: opacity .3s var(--ease), visibility .3s;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox img {
  max-width: 90vw; max-height: 82vh;
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-3);
  transform: scale(.94);
  transition: transform .3s var(--ease);
}
.lightbox.is-open img { transform: scale(1); }
.lightbox-close {
  position: absolute; top: 24px; right: 24px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .18);
  color: #fff; font-size: 20px;
  cursor: pointer;
  display: grid; place-items: center;
  transition: background .2s var(--ease), transform .2s var(--ease);
}
.lightbox-close:hover { background: rgba(255, 255, 255, .22); transform: rotate(90deg); }