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

:root {
  --accent: #7c3aed;
  --accent-light: #a78bfa;
  --accent-glow: rgba(124, 58, 237, 0.35);
  --cyan: #00d2c8;
  --cyan-glow: rgba(0, 210, 200, 0.25);
  --bg-deep: #080817;
  --bg-start: #0b0b1e;
  --bg-mid: #120a24;
  --bg-end: #0a1628;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(124, 58, 237, 0.5);
  --text: #e2e4ec;
  --text-muted: #9096a8;
  --text-faint: #565d70;
  --radius-card: 20px;
  --radius-btn: 12px;
  --radius-input: 10px;
  --transition: 0.22s ease;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  /* Soft scroll-snap — gently anchors sections without locking them */
  scroll-snap-type: y proximity;
  scroll-padding-top: 64px;
}

.hero,
.stats-strip,
.marquee-section,
.section,
.site-footer {
  scroll-snap-align: start;
  scroll-snap-stop: normal;
}

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ============================================================
   NOISE OVERLAY — premium grain texture via SVG filter
   ============================================================ */
.noise-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  pointer-events: none;
  opacity: 0.028;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
}

/* ============================================================
   ANIMATED GRADIENT MESH BACKGROUND
   ============================================================ */
.bg-mesh {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(26, 10, 46, 0.9) 0%, var(--bg-deep) 70%);
}

.mesh-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  will-change: transform;
}

.mesh-orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.22) 0%, transparent 65%);
  top: -180px;
  left: -120px;
  animation: orb-drift-1 22s ease-in-out infinite;
}

.mesh-orb-2 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(0, 210, 200, 0.14) 0%, transparent 65%);
  top: 20%;
  right: -100px;
  animation: orb-drift-2 28s ease-in-out infinite;
  animation-delay: -9s;
}

.mesh-orb-3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.18) 0%, transparent 65%);
  bottom: 15%;
  left: 25%;
  animation: orb-drift-3 20s ease-in-out infinite;
  animation-delay: -5s;
}

.mesh-orb-4 {
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 65%);
  bottom: 5%;
  right: 20%;
  animation: orb-drift-1 26s ease-in-out infinite;
  animation-delay: -14s;
}

@keyframes orb-drift-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(40px, -55px) scale(1.1); }
  66%       { transform: translate(-25px, 30px) scale(0.93); }
}
@keyframes orb-drift-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  40%       { transform: translate(-50px, 40px) scale(1.08); }
  70%       { transform: translate(30px, -20px) scale(0.96); }
}
@keyframes orb-drift-3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(35px, -45px) scale(1.12); }
}

/* ============================================================
   CUSTOM CURSOR
   ============================================================ */
.cursor-dot {
  position: fixed;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-light);
  pointer-events: none;
  z-index: 9999;
  transition: transform 0.1s ease, opacity 0.3s ease;
  transform: translate(-50%, -50%);
  opacity: 0;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 56px;
}

/* Decorative side rails — fill empty space on wide screens */
.side-rail {
  position: fixed;
  top: 0;
  bottom: 0;
  width: 56px;
  z-index: 1;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 120px 0 80px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.28);
}
.side-rail--left  { left: 0; border-right: 1px solid rgba(255, 255, 255, 0.04); }
.side-rail--right { right: 0; border-left:  1px solid rgba(255, 255, 255, 0.04); }

.side-rail__label {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  white-space: nowrap;
}
.side-rail--right .side-rail__label {
  transform: rotate(0deg);
}

.side-rail__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #7c3aed;
  box-shadow: 0 0 12px rgba(124, 58, 237, 0.8);
  animation: pulse 2.4s ease-in-out infinite;
}
.side-rail__dot--cyan { background: #00d2c8; box-shadow: 0 0 12px rgba(0, 210, 200, 0.8); }

.side-rail__line {
  flex: 1;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(124, 58, 237, 0.4), rgba(0, 210, 200, 0.3), transparent);
  margin: 18px 0;
}

/* Project tiles inside side rails — unobtrusive vertical labels */
.side-projects {
  display: flex;
  flex-direction: column;
  gap: 22px;
  pointer-events: auto;
  align-items: center;
}

.side-project {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.28);
  text-decoration: none;
  padding: 6px 4px;
  border-radius: 6px;
  transition: color 0.32s ease, background 0.32s ease, transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
  white-space: nowrap;
}

.side-rail--right .side-project {
  writing-mode: vertical-rl;
  transform: rotate(0deg);
}

.side-project__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(124, 58, 237, 0.45);
  flex-shrink: 0;
  transition: background 0.32s ease, box-shadow 0.32s ease, transform 0.32s ease;
}

.side-project--cyan .side-project__dot {
  background: rgba(0, 210, 200, 0.5);
}

.side-project:hover {
  color: var(--accent-light);
  background: rgba(124, 58, 237, 0.08);
  transform: rotate(180deg) translateY(-4px);
}

.side-rail--right .side-project:hover {
  color: var(--cyan);
  background: rgba(0, 210, 200, 0.08);
  transform: rotate(0deg) translateY(-4px);
}

.side-project:hover .side-project__dot {
  background: var(--accent-light);
  box-shadow: 0 0 10px var(--accent-glow);
  transform: scale(1.2);
}

.side-project--cyan:hover .side-project__dot {
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan-glow);
}

.side-project:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 3px;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.4; transform: scale(0.7); }
}

@media (max-width: 1280px) {
  .side-rail { display: none; }
  .container { padding: 0 24px; max-width: 1200px; }
}

.section {
  padding: 100px 0;
}

.section-alt {
  background: linear-gradient(180deg, transparent 0%, rgba(124, 58, 237, 0.03) 50%, transparent 100%);
  position: relative;
}

.section-alt::before,
.section-alt::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124, 58, 237, 0.15) 30%, rgba(0, 210, 200, 0.1) 70%, transparent);
}
.section-alt::before { top: 0; }
.section-alt::after  { bottom: 0; }

.section-header {
  margin-bottom: 60px;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #fff;
  line-height: 1.1;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 8, 23, 0.8);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border-bottom: 1px solid var(--border);
  transition: transform 0.3s ease, background 0.3s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 9px;
  transition: opacity var(--transition);
}
.logo:hover { opacity: 0.8; }

.logo-text {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
  letter-spacing: -0.01em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-list {
  display: flex;
  gap: 2px;
}

.nav-link {
  position: relative;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
  overflow: hidden;
}

.nav-link span {
  position: relative;
  z-index: 1;
}

/* Animated underline on nav hover */
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 14px;
  right: 14px;
  height: 1px;
  background: var(--accent-light);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: #fff;
  background: rgba(255,255,255,0.05);
  outline: none;
}

.nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 8px;
  transition: background var(--transition);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hamburger:hover { background: rgba(255,255,255,0.07); }
.hamburger:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  padding: 12px 24px 16px;
  border-top: 1px solid var(--border);
}

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-menu .nav-link {
  display: block;
  padding: 10px 14px;
}

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

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: 67px 0 52px;
  position: relative;
  overflow: hidden;
}

/* ============================================================
   HERO FLOATING TILES — unobtrusive project cards in side space
   ============================================================ */
.hero-tiles {
  position: absolute;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  z-index: 2;
  pointer-events: none;
}
.hero-tiles--left  { left: 76px; }
.hero-tiles--right { right: 76px; }

.hero-tile {
  pointer-events: auto;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 148px;
  padding: 11px 13px 12px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  text-decoration: none;
  opacity: 0.42;
  animation: tile-float 9s ease-in-out infinite;
  animation-delay: var(--delay, 0s);
  transition:
    opacity 0.4s ease,
    background 0.32s ease,
    border-color 0.32s ease,
    box-shadow 0.32s ease,
    transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform, opacity;
}

@keyframes tile-float {
  0%, 100% { transform: translate(0, 0); }
  50%      { transform: translate(var(--tx, 0), -8px); }
}

.hero-tile:hover {
  opacity: 1;
  background: rgba(124, 58, 237, 0.08);
  border-color: rgba(124, 58, 237, 0.4);
  box-shadow: 0 10px 28px rgba(124, 58, 237, 0.18);
  transform: translate(0, -3px);
  animation-play-state: paused;
}

.hero-tile--cyan:hover {
  background: rgba(0, 210, 200, 0.06);
  border-color: rgba(0, 210, 200, 0.4);
  box-shadow: 0 10px 28px rgba(0, 210, 200, 0.14);
}

.hero-tile:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  opacity: 1;
}

.hero-tile__status {
  position: absolute;
  top: 11px;
  right: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.15);
}

.hero-tile--cyan .hero-tile__status {
  background: var(--cyan);
  box-shadow: 0 0 0 2px rgba(0, 210, 200, 0.18);
}

.hero-tile__name {
  font-family: var(--font-display);
  font-size: 0.83rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
  padding-right: 14px; /* avoid status dot overlap */
  line-height: 1.2;
}

.hero-tile__tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--text-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-tile:hover .hero-tile__tag {
  color: var(--text-muted);
}

/* Hide on narrow screens — same breakpoint as side rails */
@media (max-width: 1280px) {
  .hero-tiles { display: none; }
}

.hero-inner {
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.28);
  border-radius: 100px;
  padding: 5px 14px;
  margin-bottom: 17px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
  animation: pulse-dot 2.5s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.5); }
  50%       { box-shadow: 0 0 0 5px rgba(34,197,94,0); }
}

.hero-name-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 13px;
}

.hero-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: -0.01em;
}

.hero-handle {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-light);
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 6px;
  padding: 2px 8px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.05rem, 4.8vw, 3.36rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 17px;
}

.hero-title-line {
  display: inline-block;
  overflow: hidden;
}

/* Letter reveal animation */
.hero-letter {
  display: inline-block;
  opacity: 0;
  transform: translateY(100%);
  animation: letter-up 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes letter-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-accent {
  background: linear-gradient(100deg, #7c3aed 0%, #a78bfa 40%, #00d2c8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: gradient-shift 4s ease infinite;
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50%       { background-position: 100% 50%; }
}

/* Typewriter row below h1 */
.hero-typewriter-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: -4px;
  margin-bottom: 17px;
  font-size: 1.05rem;
}

.hero-tw-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  white-space: nowrap;
}

/* Typewriter cursor */
.hero-typewriter {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-light);
  min-width: 1ch;
}

.hero-typewriter::after {
  content: '|';
  color: var(--cyan);
  animation: blink 0.85s step-end infinite;
  margin-left: 1px;
}

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

.hero-sub {
  font-size: 1.13rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 580px;
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 26px;
}

.hero-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.stack-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-faint);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  padding: 3px 10px;
  letter-spacing: 0.02em;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.stack-pill:hover {
  color: var(--accent-light);
  border-color: rgba(124, 58, 237, 0.3);
  background: rgba(124, 58, 237, 0.07);
}

/* ============================================================
   REVEAL ANIMATIONS (hero load)
   ============================================================ */
.reveal-fade {
  opacity: 0;
  transform: translateY(16px);
  animation: reveal-fade-in 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: var(--delay, 0s);
}

@keyframes reveal-fade-in {
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.94rem;
  font-weight: 600;
  border-radius: var(--radius-btn);
  padding: 12px 22px;
  cursor: pointer;
  border: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity 0.2s ease;
  border-radius: inherit;
}

.btn:hover::before { opacity: 1; }

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 16px rgba(124, 58, 237, 0.3);
}

.btn-primary:hover {
  background: #6d28d9;
  box-shadow: 0 6px 32px var(--accent-glow);
  transform: translateY(-2px);
}

.btn-primary:active { transform: translateY(0); }

.btn-sm {
  font-size: 0.82rem;
  padding: 8px 16px;
  border-radius: 10px;
}

.btn-lg {
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: 14px;
}

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

.btn-ghost:hover {
  border-color: rgba(124, 58, 237, 0.4);
  background: rgba(124, 58, 237, 0.06);
  color: #fff;
  transform: translateY(-2px);
}

.btn-full { width: 100%; }

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none !important;
}

/* ============================================================
   STATS STRIP
   ============================================================ */
.stats-strip {
  position: relative;
  z-index: 2;
  padding: 48px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(124, 58, 237, 0.04);
}

.stats-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
}

.stat-item {
  flex: 1 1 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 16px 24px;
  text-align: center;
}

.stat-number-line {
  display: flex;
  align-items: baseline;
  gap: 1px;
  justify-content: center;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--accent-light);
  line-height: 1;
  letter-spacing: -0.04em;
}

.stat-suffix {
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-faint);
  letter-spacing: 0.04em;
  margin-top: 4px;
}

.stat-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-light);
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: 6px;
  padding: 2px 8px;
  margin: 2px;
  display: inline-block;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: linear-gradient(180deg, transparent, var(--border) 50%, transparent);
  flex-shrink: 0;
  align-self: center;
}

/* ============================================================
   CARDS (generic)
   ============================================================ */
.card {
  background: var(--surface);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 10px 48px rgba(124, 58, 237, 0.13);
  transform: translateY(-4px);
}

/* ============================================================
   SERVICES
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.services-card {
  position: relative;
  overflow: hidden;
}

/* Decorative shape top-right */
.card-deco {
  position: absolute;
  top: -8px;
  right: -8px;
  opacity: 0.7;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}

.services-card:hover .card-deco {
  opacity: 1;
  transform: scale(1.1) rotate(12deg);
}

.card-icon {
  margin-bottom: 20px;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(124, 58, 237, 0.1);
  border-radius: 14px;
  border: 1px solid rgba(124, 58, 237, 0.2);
  transition: background var(--transition), border-color var(--transition);
}

.card-icon--cyan {
  background: rgba(0, 210, 200, 0.08);
  border-color: rgba(0, 210, 200, 0.2);
}

.services-card:hover .card-icon {
  background: rgba(124, 58, 237, 0.16);
  border-color: rgba(124, 58, 237, 0.4);
}

.services-card:hover .card-icon--cyan {
  background: rgba(0, 210, 200, 0.14);
  border-color: rgba(0, 210, 200, 0.4);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.card-desc {
  font-size: 0.91rem;
  color: var(--text-muted);
  line-height: 1.68;
}

.services-note {
  text-align: center;
  margin-top: 40px;
  font-size: 0.87rem;
  color: var(--text-faint);
  line-height: 1.6;
}

/* ============================================================
   TECH STACK MARQUEE
   ============================================================ */
.marquee-section {
  position: relative;
  z-index: 2;
  padding: 28px 0;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0;
}

.marquee-label {
  position: absolute;
  left: 24px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-light);
  z-index: 3;
  padding: 4px 10px;
  background: rgba(8, 8, 23, 0.9);
  border-radius: 6px;
  border: 1px solid rgba(124, 58, 237, 0.2);
}

/* fade edges */
.marquee-section::before,
.marquee-section::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 140px;
  z-index: 2;
  pointer-events: none;
}
.marquee-section::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg-deep), transparent);
}
.marquee-section::after {
  right: 0;
  background: linear-gradient(270deg, var(--bg-deep), transparent);
}

.marquee-track {
  width: 100%;
  overflow: hidden;
}

.marquee-inner {
  display: flex;
  align-items: center;
  gap: 0;
  width: max-content;
  animation: marquee-scroll 38s linear infinite;
}

.marquee-inner:hover {
  animation-play-state: paused;
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.marquee-item {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0 6px;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.marquee-item:hover {
  color: var(--accent-light);
}

.marquee-sep {
  color: var(--accent);
  opacity: 0.5;
  padding: 0 4px;
  font-size: 1rem;
}

/* ============================================================
   CASES
   ============================================================ */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.case-card {
  background: var(--surface);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  transition: border-color var(--transition), box-shadow var(--transition);
  color: var(--text);
  text-decoration: none;
  /* tilt handled by JS via inline transform */
  transform-style: preserve-3d;
  will-change: transform;
}

.case-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 12px 48px rgba(124, 58, 237, 0.18);
}

.case-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-card);
}

/* Status indicator dot */
.case-status {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.case-status--live {
  background: #22c55e;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.2);
  animation: pulse-dot 2.5s ease-in-out infinite;
}

.case-status--archive {
  background: #4b5563;
  box-shadow: 0 0 0 2px rgba(75, 85, 99, 0.2);
}

.case-handle {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-light);
  letter-spacing: 0.02em;
}

.case-title {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.case-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.55;
  flex: 1;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: auto;
  padding-top: 8px;
}

.case-tags li {
  font-family: var(--font-mono);
  font-size: 0.67rem;
  font-weight: 500;
  color: var(--text-faint);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 5px;
  padding: 2px 7px;
  transition: color var(--transition), border-color var(--transition);
}

.case-card:hover .case-tags li {
  color: var(--text-muted);
  border-color: rgba(124, 58, 237, 0.2);
}

.case-arrow {
  position: absolute;
  bottom: 18px;
  right: 18px;
  color: var(--text-faint);
  transition: color var(--transition), transform var(--transition);
}

.case-card:hover .case-arrow {
  color: var(--accent-light);
  transform: translate(3px, -3px);
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-card {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  max-width: 780px;
}

.about-avatar {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #2563eb);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  border: 2px solid rgba(124, 58, 237, 0.3);
  box-shadow: 0 0 24px rgba(124, 58, 237, 0.25);
}

.about-text p {
  font-size: 1.05rem;
  line-height: 1.78;
  color: var(--text-muted);
}

/* ============================================================
   HOW I WORK
   ============================================================ */
.how-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.how-step {
  position: relative;
  padding: 28px 24px 28px 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition-delay: var(--stagger, 0s);
}

.how-step:not(:last-child) .how-connector {
  position: absolute;
  top: 48px;
  right: -1px;
  width: 2px;
  height: calc(100% - 80px);
  background: linear-gradient(180deg, rgba(124, 58, 237, 0.4), rgba(0, 210, 200, 0.2), transparent);
  display: none; /* show on desktop via the horizontal line approach */
}

.how-step-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-light);
  opacity: 0.7;
}

.how-step-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.how-step:nth-child(even) .how-step-icon {
  background: rgba(0, 210, 200, 0.06);
  border-color: rgba(0, 210, 200, 0.18);
}

.how-step:hover .how-step-icon {
  background: rgba(124, 58, 237, 0.15);
  border-color: rgba(124, 58, 237, 0.4);
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.2);
}

.how-step:nth-child(even):hover .how-step-icon {
  background: rgba(0, 210, 200, 0.12);
  border-color: rgba(0, 210, 200, 0.35);
  box-shadow: 0 4px 20px rgba(0, 210, 200, 0.15);
}

.how-step-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}

.how-step-desc {
  font-size: 0.87rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 220px;
}

/* Horizontal connector line between steps */
.how-grid::before {
  content: '';
  position: absolute;
  top: 72px;
  left: 26px;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(124, 58, 237, 0.5), rgba(0, 210, 200, 0.3) 60%, transparent);
  pointer-events: none;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list {
  max-width: 760px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item[open] {
  border-color: rgba(124, 58, 237, 0.35);
  box-shadow: 0 4px 24px rgba(124, 58, 237, 0.08);
}

.faq-item + .faq-item { margin-top: 8px; }

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 22px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 0.97rem;
  font-weight: 600;
  color: #fff;
  gap: 16px;
  transition: background var(--transition);
  user-select: none;
}

.faq-question::-webkit-details-marker { display: none; }

.faq-question:hover {
  background: rgba(124, 58, 237, 0.05);
}

.faq-icon {
  flex-shrink: 0;
  color: var(--accent-light);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 22px 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 24px;
  align-items: start;
}

.contact-form-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.contact-form-sub {
  font-size: 0.87rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.55;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-label {
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}

.form-input {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-input);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.94rem;
  padding: 12px 14px;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  width: 100%;
}

.form-input::placeholder { color: var(--text-faint); }

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(124, 58, 237, 0.04);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  font-family: var(--font-body);
}

.form-status {
  font-size: 0.87rem;
  font-weight: 500;
  padding: 10px 14px;
  border-radius: var(--radius-input);
  line-height: 1.5;
}

.form-status.success {
  color: #4ade80;
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.2);
}

.form-status.error {
  color: #f87171;
  background: rgba(248, 113, 113, 0.08);
  border: 1px solid rgba(248, 113, 113, 0.2);
}

/* TG CTA card */
.tg-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 16px;
  padding: 44px 28px;
  background: linear-gradient(160deg, rgba(124, 58, 237, 0.08) 0%, rgba(0, 210, 200, 0.04) 100%);
}

.tg-icon-wrap {
  filter: drop-shadow(0 0 18px rgba(124, 58, 237, 0.4));
  transition: filter var(--transition), transform var(--transition);
}

.tg-cta:hover .tg-icon-wrap {
  filter: drop-shadow(0 0 28px rgba(124, 58, 237, 0.6));
  transform: scale(1.06);
}

.tg-label {
  font-size: 0.87rem;
  color: var(--text-muted);
}

.tg-handle {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border);
  padding: 28px 0;
  margin-top: 40px;
  background: rgba(8, 8, 23, 0.5);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-copy {
  font-size: 0.83rem;
  color: var(--text-faint);
  font-family: var(--font-body);
}

.footer-city {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  letter-spacing: 0.06em;
}

.footer-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-light);
  transition: color var(--transition);
}

.footer-link:hover { color: #fff; }
.footer-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ============================================================
   FADE-UP ANIMATION (IntersectionObserver)
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--stagger, 0s);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger for grids */
.services-grid .card:nth-child(1) { --stagger: 0.04s; }
.services-grid .card:nth-child(2) { --stagger: 0.12s; }
.services-grid .card:nth-child(3) { --stagger: 0.2s; }
.cases-grid .case-card:nth-child(1) { --stagger: 0.04s; }
.cases-grid .case-card:nth-child(2) { --stagger: 0.1s; }
.cases-grid .case-card:nth-child(3) { --stagger: 0.16s; }
.cases-grid .case-card:nth-child(4) { --stagger: 0.22s; }
.cases-grid .case-card:nth-child(5) { --stagger: 0.06s; }
.cases-grid .case-card:nth-child(6) { --stagger: 0.12s; }
.cases-grid .case-card:nth-child(7) { --stagger: 0.18s; }
.cases-grid .case-card:nth-child(8) { --stagger: 0.24s; }

/* ============================================================
   SPINNER
   ============================================================ */
.spinner {
  animation: spin 0.75s linear infinite;
}

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

/* ============================================================
   RESPONSIVE — TABLET (≤960px)
   ============================================================ */
@media (max-width: 960px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .tg-cta { padding: 32px 24px; }

  .how-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .how-grid::before {
    display: none;
  }

  .how-step {
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 22px;
    background: var(--surface);
  }

  .stats-inner {
    gap: 0;
  }

  .stat-divider {
    height: 32px;
  }
}

/* ============================================================
   RESPONSIVE — MOBILE (≤640px)
   ============================================================ */
@media (max-width: 640px) {
  .section { padding: 68px 0; }
  .hero { padding: 80px 0 68px; }
  .hero-title { font-size: 2.1rem; }
  .hero-sub { font-size: 1rem; }
  .hero-actions { flex-direction: column; }

  .services-grid { grid-template-columns: 1fr; }
  .cases-grid    { grid-template-columns: 1fr; }
  .how-grid      { grid-template-columns: 1fr; gap: 12px; }

  .nav-list { display: none; }
  .hamburger { display: flex; }

  .about-card {
    flex-direction: column;
    gap: 16px;
  }

  .stats-inner {
    flex-direction: column;
    gap: 24px;
  }

  .stat-divider {
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
  }

  .marquee-label { display: none; }

  .cursor-dot { display: none; }

  .faq-list { max-width: 100%; }
}

/* ============================================================
   RESPONSIVE — SMALL (≤400px)
   ============================================================ */
@media (max-width: 400px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 1.85rem; }
  .btn-lg { font-size: 0.9rem; padding: 12px 20px; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .hero-letter,
  .reveal-fade,
  .fade-up,
  .mesh-orb,
  .marquee-inner,
  .hero-accent,
  .badge-dot,
  .case-status--live {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}