/* ============================================================
   KEMPY PORTFOLIO — styles.css
   Premium dark portfolio with cinematic interactions
============================================================ */

/* ——— CSS CUSTOM PROPERTIES ——————————————————————————————— */
:root {
  --bg:           #050508;
  --bg-2:         #080b12;
  --bg-glass:     rgba(255,255,255,0.03);
  --border:       rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.14);
  --text:         #e8eaf0;
  --text-2:       #7a8094;
  --text-3:       #404559;
  --accent:       #4f8ef7;
  --accent-2:     #7c60f5;
  --accent-glow:  rgba(79,142,247,0.25);
  --accent-3:     #00e5a0;
  --white:        #ffffff;

  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Mono', monospace;
  --font-serif:   'Instrument Serif', serif;

  --radius:       12px;
  --radius-lg:    20px;
  --ease:         cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out:     cubic-bezier(0.22, 1, 0.36, 1);

  --nav-h:        72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.loading { overflow: hidden; }

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

/* ——— SCROLLBAR ————————————————————————————————————————— */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--text-3); border-radius: 2px; }

/* ——— CUSTOM CURSOR —————————————————————————————————————— */
.cursor-dot,
.cursor-ring {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  mix-blend-mode: difference;
}
.cursor-dot {
  width: 6px; height: 6px;
  background: #fff;
  top: 0; left: 0;
  transform: translate(-50%,-50%);
  transition: transform 0.1s;
}
.cursor-ring {
  width: 36px; height: 36px;
  border: 1px solid rgba(255,255,255,0.5);
  top: 0; left: 0;
  transform: translate(-50%,-50%);
  transition: width 0.3s var(--ease), height 0.3s var(--ease), opacity 0.3s;
}
.cursor-ring.hovered { width: 60px; height: 60px; opacity: 0.5; }

@media (hover: none) { .cursor-dot, .cursor-ring { display: none; } }

/* ——— LOADER ————————————————————————————————————————————— */
.loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s var(--ease), visibility 0.6s;
}
.loader.out { opacity: 0; visibility: hidden; }

.loader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.loader-logo {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: logoPulse 1.5s ease-in-out infinite;
}
@keyframes logoPulse { 0%,100% { opacity:1; } 50% { opacity:0.5; } }

.loader-bar-wrap {
  width: 200px;
  height: 2px;
  background: var(--border);
  border-radius: 1px;
  overflow: hidden;
}
.loader-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 1px;
  transition: width 0.1s linear;
}
.loader-text {
  font-size: 0.75rem;
  color: var(--text-3);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ——— NAVIGATION ————————————————————————————————————————— */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 3rem);
  transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
}
.nav.scrolled {
  background: rgba(5,5,8,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}
.nav-logo-mark {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 800;
  color: #fff;
}
.nav-logo-text { color: var(--text); }

.nav-links {
  display: flex;
  gap: 2.5rem;
}
.nav-link {
  font-size: 0.85rem;
  color: var(--text-2);
  letter-spacing: 0.02em;
  position: relative;
  transition: color 0.2s;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.3s var(--ease);
}
.nav-link:hover { color: var(--text); }
.nav-link:hover::after { width: 100%; }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text);
  padding: 8px 20px;
  border: 1px solid var(--border-hover);
  border-radius: 100px;
  transition: border-color 0.3s, background 0.3s, color 0.3s;
}
.nav-cta:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.3s var(--ease), opacity 0.3s;
  transform-origin: center;
}
.nav-hamburger.open span:first-child { transform: translateY(7.5px) rotate(45deg); }
.nav-hamburger.open span:last-child  { transform: translateY(-7.5px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(5,5,8,0.97);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0.4s;
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 2.5rem; text-align: center; }
.mobile-link {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-2);
  transition: color 0.2s;
}
.mobile-link:hover { color: var(--text); }

/* ——— HERO —————————————————————————————————————————————— */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  opacity: 0.5;
}

/* Aurora layers */
.aurora {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0;
  animation: auroraFloat 12s ease-in-out infinite;
  pointer-events: none;
}
.aurora-1 {
  width: 70vw; height: 70vw;
  max-width: 900px; max-height: 900px;
  background: radial-gradient(circle, rgba(79,142,247,0.15) 0%, transparent 70%);
  top: -20%; left: -20%;
  animation-delay: 0s;
  animation: auroraAppear 2s forwards 1.5s, auroraFloat 14s ease-in-out 3s infinite;
}
.aurora-2 {
  width: 60vw; height: 60vw;
  max-width: 700px; max-height: 700px;
  background: radial-gradient(circle, rgba(124,96,245,0.12) 0%, transparent 70%);
  bottom: -10%; right: -15%;
  animation: auroraAppear 2s forwards 2s, auroraFloat 16s ease-in-out 3s infinite;
  animation-delay: 4s;
}
.aurora-3 {
  width: 40vw; height: 40vw;
  max-width: 500px; max-height: 500px;
  background: radial-gradient(circle, rgba(0,229,160,0.08) 0%, transparent 70%);
  top: 40%; left: 50%;
  animation: auroraAppear 2s forwards 2.5s, auroraFloat 18s ease-in-out 3s infinite;
  animation-delay: 7s;
}
@keyframes auroraAppear { to { opacity: 1; } }
@keyframes auroraFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  33%      { transform: translate(3%,5%) scale(1.05); }
  66%      { transform: translate(-3%,-2%) scale(0.97); }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, #000 30%, transparent 100%);
}

.mouse-light {
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79,142,247,0.08) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%,-50%);
  transition: transform 0.15s linear;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: clamp(2rem, 6vw, 4rem) clamp(1.5rem, 5vw, 3rem);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--text-2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(20px);
}
.eyebrow-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-3);
  box-shadow: 0 0 12px var(--accent-3);
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink { 0%,100% { opacity:1; } 50% { opacity:0.3; } }

.hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2em;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}
.hero-title-line {
  font-size: clamp(5rem, 16vw, 13rem);
  background: linear-gradient(135deg, #ffffff 0%, rgba(255,255,255,0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  opacity: 0;
  transform: translateY(60px);
}
.hero-title-sub {
  font-size: clamp(1.6rem, 4.5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-2);
  display: block;
  opacity: 0;
  transform: translateY(40px);
}
.hero-title-sub em {
  font-style: italic;
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--text-2);
}
.hero-title-sub--accent {
  color: var(--text);
}
.hero-title-sub--accent em { color: var(--accent); }

.hero-desc {
  max-width: 560px;
  font-size: clamp(0.9rem, 1.8vw, 1.05rem);
  color: var(--text-2);
  line-height: 1.8;
  opacity: 0;
  transform: translateY(20px);
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  transform: translateY(20px);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.25rem 2rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 100px;
  backdrop-filter: blur(10px);
  opacity: 0;
  transform: translateY(20px);
  flex-wrap: wrap;
  justify-content: center;
}
.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.stat-label {
  font-size: 0.7rem;
  color: var(--text-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}
.hero-stat-divider {
  width: 1px; height: 36px;
  background: var(--border);
}

.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 0.7rem;
  color: var(--text-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0;
  animation: scrollFadeIn 1s forwards 3s;
}
.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollLine 1.5s ease-in-out infinite;
}
@keyframes scrollFadeIn { to { opacity: 1; } }
@keyframes scrollLine { 0%,100% { transform: scaleY(1); opacity:1; } 50% { transform: scaleY(0.5); opacity:0.4; } }

/* ——— BUTTONS —————————————————————————————————————————— */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 100px;
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.01em;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s;
}
.btn:hover::before { opacity: 1; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 0 rgba(79,142,247,0);
}
.btn-primary::before { background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.btn-primary:hover { box-shadow: 0 8px 32px rgba(79,142,247,0.4); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-hover);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ——— CONTAINER & SECTIONS ——————————————————————————————— */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 3rem);
}

.section {
  padding: clamp(5rem, 10vw, 9rem) 0;
}

.section-label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  opacity: 0;
  transform: translateY(20px);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(30px);
}
.section-title em {
  font-style: italic;
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--text-2);
}

.section-sub {
  font-size: 1rem;
  color: var(--text-2);
  max-width: 500px;
  line-height: 1.7;
  opacity: 0;
  transform: translateY(20px);
}

.section-header {
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

/* Reveal classes (toggled by JS) */
.reveal-up { opacity: 0; transform: translateY(40px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal-up.visible { opacity: 1; transform: translateY(0); }
.reveal-right { opacity: 0; transform: translateX(60px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* ——— ABOUT ————————————————————————————————————————————— */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}

.about-body {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.9;
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
}
.about-body.visible { opacity: 1; transform: translateY(0); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  opacity: 0;
  transform: translateY(20px);
}
.about-tags.visible { opacity: 1; transform: translateY(0); transition: opacity 0.8s var(--ease) 0.3s, transform 0.8s var(--ease) 0.3s; }

.tag {
  padding: 6px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--text-2);
  letter-spacing: 0.03em;
  transition: border-color 0.2s, color 0.2s;
}
.tag:hover { border-color: var(--accent); color: var(--accent); }

.about-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  opacity: 0;
  transform: translateX(60px);
}
.about-card.visible { opacity: 1; transform: translateX(0); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }

.about-card-inner {
  position: relative;
  padding: 2.5rem;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
}
.about-card-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 0%, rgba(79,142,247,0.08), transparent);
  pointer-events: none;
}

.about-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.metric-value {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 0.4rem;
  background: linear-gradient(135deg, var(--white), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.metric-label {
  font-size: 0.75rem;
  color: var(--text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.about-status {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: rgba(0,229,160,0.05);
  border: 1px solid rgba(0,229,160,0.15);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--accent-3);
}
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-3);
  box-shadow: 0 0 10px var(--accent-3);
  animation: blink 2s ease-in-out infinite;
}

/* ——— EXPERTISE ————————————————————————————————————————— */
.expertise {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.expertise-card {
  padding: 2rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  cursor: default;
  transition: border-color 0.3s, transform 0.3s var(--ease), box-shadow 0.3s;
  opacity: 0;
  transform: translateY(40px);
}
.expertise-card.visible { opacity: 1; transform: translateY(0); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease), border-color 0.3s, box-shadow 0.3s; }
.expertise-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.expertise-card:hover { border-color: var(--border-hover); transform: translateY(-4px) !important; box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 40px rgba(79,142,247,0.05); }
.expertise-card:hover::before { opacity: 1; }

.expertise-icon {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(79,142,247,0.08);
  border: 1px solid rgba(79,142,247,0.15);
  border-radius: 12px;
  color: var(--accent);
  margin-bottom: 1.5rem;
  transition: background 0.3s, border-color 0.3s;
}
.expertise-card:hover .expertise-icon { background: rgba(79,142,247,0.14); border-color: rgba(79,142,247,0.3); }

.expertise-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.8rem;
  letter-spacing: -0.01em;
}

.expertise-desc {
  font-size: 0.85rem;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.expertise-techs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.expertise-techs span {
  font-size: 0.72rem;
  padding: 4px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-3);
  letter-spacing: 0.04em;
}

.expertise-arrow {
  color: var(--text-3);
  transition: color 0.3s, transform 0.3s var(--ease);
}
.expertise-card:hover .expertise-arrow { color: var(--accent); transform: translateX(4px); }

/* ——— TECH STACK ————————————————————————————————————————— */
.stack { overflow: hidden; }

.stack-grid {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 1rem;
  margin-bottom: 4rem;
}

.stack-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem 0.75rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: default;
  transition: border-color 0.3s, transform 0.3s var(--ease), box-shadow 0.3s;
  opacity: 0;
  transform: translateY(30px);
}
.stack-item.visible { opacity: 1; transform: translateY(0); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease), border-color 0.3s, box-shadow 0.3s; }
.stack-item:hover { border-color: var(--accent); transform: translateY(-6px) !important; box-shadow: 0 12px 40px rgba(79,142,247,0.15); }

.stack-icon-wrap {
  width: 52px; height: 52px;
  color: var(--accent);
  transition: color 0.3s, transform 0.4s var(--ease);
}
.stack-item:hover .stack-icon-wrap { color: var(--white); transform: rotate(5deg) scale(1.05); }

.stack-item span {
  font-size: 0.72rem;
  color: var(--text-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.3s;
}
.stack-item:hover span { color: var(--text); }

/* Ticker */
.stack-ticker {
  overflow: hidden;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  mask-image: linear-gradient(90deg, transparent 0%, #000 10%, #000 90%, transparent 100%);
}
.ticker-track {
  display: flex;
  white-space: nowrap;
  animation: ticker 30s linear infinite;
  font-size: 0.8rem;
  color: var(--text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  gap: 0;
}
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ——— PROJECTS —————————————————————————————————————————— */
.projects { background: var(--bg-2); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.project-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: default;
  transition: border-color 0.3s, transform 0.4s var(--ease), box-shadow 0.4s;
  opacity: 0;
  transform: translateY(40px);
}
.project-card.visible { opacity: 1; transform: translateY(0); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease), border-color 0.3s, box-shadow 0.4s; }
.project-card:hover { border-color: var(--border-hover); transform: translateY(-6px) !important; box-shadow: 0 24px 64px rgba(0,0,0,0.5); }

.project-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}
.project-img-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 70% at 50% 50%,
    hsl(var(--hue),70%,20%) 0%,
    hsl(var(--hue),50%,10%) 50%,
    #050508 100%
  );
  transition: transform 0.6s var(--ease);
}
.project-card:hover .project-img-bg { transform: scale(1.05); }

.project-number {
  position: absolute;
  top: 1.25rem; left: 1.5rem;
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  color: rgba(255,255,255,0.07);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.project-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 1.25rem;
  opacity: 0;
  transition: opacity 0.3s;
}
.project-card:hover .project-overlay { opacity: 1; }
.project-link-btn {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  color: #fff;
  transition: background 0.2s, transform 0.2s;
}
.project-link-btn:hover { background: var(--accent); transform: scale(1.1); }

.project-body { padding: 1.75rem; }

.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}
.project-cat {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}
.project-year {
  font-size: 0.72rem;
  color: var(--text-3);
  letter-spacing: 0.06em;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.project-desc {
  font-size: 0.85rem;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.project-tags span {
  font-size: 0.7rem;
  padding: 4px 10px;
  background: rgba(79,142,247,0.08);
  border: 1px solid rgba(79,142,247,0.15);
  border-radius: 4px;
  color: var(--accent);
  letter-spacing: 0.04em;
}

/* ——— PROCESS —————————————————————————————————————————— */
.process-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 800px;
}

.process-step {
  display: flex;
  align-items: flex-start;
  gap: 2.5rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
  position: relative;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.3s var(--ease);
  cursor: default;
}
.process-step.visible { opacity: 1; transform: translateY(0); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease), color 0.3s; }
.process-step:first-child { border-top: 1px solid var(--border); }
.process-step:hover .process-step-num { color: var(--accent); }
.process-step:hover .process-step-title { color: var(--accent); }

.process-step-num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-3);
  letter-spacing: 0.1em;
  min-width: 40px;
  padding-top: 4px;
  transition: color 0.3s;
}

.process-step-body { flex: 1; }

.process-step-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
  transition: color 0.3s;
}

.process-step-desc {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.8;
  max-width: 520px;
}

/* ——— CONTACT —————————————————————————————————————————— */
.contact { background: var(--bg-2); }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}

.contact-sub {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 2rem;
  max-width: 380px;
  opacity: 0;
  transform: translateY(20px);
}
.contact-sub.visible { opacity: 1; transform: translateY(0); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  opacity: 0;
  transform: translateY(20px);
}
.contact-details.visible { opacity: 1; transform: translateY(0); transition: opacity 0.8s var(--ease) 0.2s, transform 0.8s var(--ease) 0.2s; }

.contact-detail-link {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-2);
  transition: color 0.2s;
}
.contact-detail-link:hover { color: var(--accent); }

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
}

.form-input {
  width: 100%;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  resize: none;
}
.form-input::placeholder { color: var(--text-3); }
.form-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,142,247,0.1); }
.form-input.error { border-color: #f56262; }

.form-textarea { min-height: 130px; }

.form-error {
  font-size: 0.75rem;
  color: #f56262;
  min-height: 1em;
  transition: opacity 0.2s;
}

.form-submit { align-self: flex-start; }

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  background: rgba(0,229,160,0.06);
  border: 1px solid rgba(0,229,160,0.2);
  border-radius: var(--radius);
  color: var(--accent-3);
  font-size: 0.9rem;
}
.form-success.visible { display: flex; }

/* ——— FOOTER ——————————————————————————————————————————— */
.footer {
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 3rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 280px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}
.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-3);
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 4rem;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.footer-col-title {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.25rem;
}
.footer-col a {
  font-size: 0.85rem;
  color: var(--text-2);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--text); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-3);
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-made { letter-spacing: 0.02em; }

/* ——— RESPONSIVE ——————————————————————————————————————— */
@media (max-width: 1024px) {
  .stack-grid { grid-template-columns: repeat(5, 1fr); }
  .expertise-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }

  .hero-stats { gap: 1.25rem; padding: 1rem 1.5rem; }
  .hero-stat-divider { display: none; }

  .about-grid { grid-template-columns: 1fr; }
  .expertise-grid { grid-template-columns: 1fr; }
  .stack-grid { grid-template-columns: repeat(3, 1fr); }
  .projects-grid { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; }
  .footer-links { gap: 2.5rem; }
}

@media (max-width: 480px) {
  .stack-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-ctas { flex-direction: column; width: 100%; }
  .hero-ctas .btn { justify-content: center; }
  .process-step { gap: 1.25rem; }
  .footer-top { flex-direction: column; }
  .footer-bottom { flex-direction: column; text-align: center; }
}