/* =========================================================
   KOTRO Creative Studio — styles.css (v3 — mockup-faithful)
   ========================================================= */

:root {
  --bg: #060812;
  --bg-2: #0a0d1c;
  --bg-3: #11142a;
  --surface: rgba(255,255,255,0.025);
  --surface-2: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.18);

  --text: #ffffff;
  --text-2: #b9bdcc;
  --text-3: #7a7f93;

  --teal:    #2bf1d8;
  --purple:  #8b5cff;
  --yellow:  #f0ff2a;

  --grad: linear-gradient(135deg, #2bf1d8 0%, #8b5cff 55%, #f0ff2a 110%);

  --radius: 18px;
  --radius-lg: 28px;
  --radius-sm: 12px;

  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
}

/* =========================================================
   Background — subtle, mockup-style
   ========================================================= */
.bg-grid {
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 90px 90px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 0%, transparent 65%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 0%, transparent 65%);
  z-index: -2;
  pointer-events: none;
}
.bg-orbs { position: fixed; inset: 0; overflow: hidden; z-index: -1; pointer-events: none; }
.orb {
  position: absolute;
  width: 800px; height: 800px;
  border-radius: 50%;
  filter: blur(150px);
  opacity: .35;
  animation: orbFloat 24s ease-in-out infinite;
}
.orb-teal   { background: radial-gradient(circle, #2bf1d8 0%, transparent 60%); top: -15%; left: -18%; }
.orb-purple { background: radial-gradient(circle, #8b5cff 0%, transparent 60%); top: 5%; right: -18%; animation-delay: -8s; }
@keyframes orbFloat {
  0%, 100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(40px, -30px) scale(1.08); }
}

/* =========================================================
   Header
   ========================================================= */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 22px 0;
  transition: all .35s var(--ease);
}
.site-header.scrolled {
  background: rgba(6,8,18,0.75);
  backdrop-filter: saturate(150%) blur(18px);
  -webkit-backdrop-filter: saturate(150%) blur(18px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.nav-container { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: flex; flex-direction: column; line-height: 1; }
.brand-mark {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: .12em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% 200%;
  animation: gradShift 8s ease-in-out infinite;
}
.brand-sub { font-size: 9px; letter-spacing: .35em; color: var(--text-3); margin-top: 4px; }

.nav-menu { display: flex; gap: 32px; }
.nav-link {
  font-size: 14px;
  color: var(--text-2);
  position: relative;
  padding: 6px 0;
  transition: color .25s;
}
.nav-link::after {
  content: ""; position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--grad);
  transition: width .35s var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: .02em;
  transition: all .3s var(--ease);
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn-sm { padding: 10px 18px; font-size: 13px; }
.btn-block { width: 100%; justify-content: center; }
.ico-arrow { width: 16px; height: 16px; transition: transform .3s; }
.btn:hover .ico-arrow { transform: translateX(4px); }

.btn-outline {
  border: 1px solid var(--border-strong);
  background: rgba(255,255,255,0.02);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--teal);
  background: rgba(43,241,216,0.06);
  box-shadow: 0 0 30px rgba(43,241,216,.22);
}

.btn-gradient {
  background: var(--grad);
  color: #050610;
  font-weight: 600;
}
.btn-gradient::before {
  content: ""; position: absolute; inset: 0;
  background: var(--grad);
  filter: blur(20px); opacity: .5;
  z-index: -1;
  transition: opacity .3s;
}
.btn-gradient:hover { transform: translateY(-2px); }
.btn-gradient:hover::before { opacity: .85; }

/* Hamburger / Mobile menu */
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.hamburger span {
  display: block; width: 24px; height: 2px; background: var(--text);
  transition: transform .3s, opacity .3s;
}
.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 {
  position: fixed; inset: 0;
  background: rgba(6,8,18,0.96);
  backdrop-filter: blur(20px);
  z-index: 40;
  padding: 100px 32px 32px;
  transform: translateY(-100%);
  transition: transform .5s var(--ease);
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu nav { display: flex; flex-direction: column; gap: 4px; }
.mm-link {
  padding: 18px 0;
  font-size: 20px;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  transition: color .25s, padding-left .3s;
}
.mm-link:hover { color: var(--teal); padding-left: 8px; }
.mm-cta { margin-top: 24px; }

/* =========================================================
   Hero
   ========================================================= */
.hero {
  min-height: 100vh;
  padding: 140px 0 60px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 60px;
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(40px, 5.4vw, 76px);
  line-height: 1.05;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% 200%;
  animation: gradShift 6s ease-in-out infinite;
  display: inline-block;
}
@keyframes gradShift {
  0%,100% { background-position: 0% 50%; }
  50%     { background-position: 100% 50%; }
}

.hero-lead {
  font-size: 17px;
  color: var(--text-2);
  max-width: 480px;
  margin-bottom: 36px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* =========================================================
   K Hero Art — clean mockup-faithful
   ========================================================= */
.hero-art {
  position: relative;
  height: 560px;
  display: flex; align-items: center; justify-content: center;
  perspective: 1400px;
}
.k-stage {
  position: relative;
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
}

/* Soft glow halo behind logo */
.k-halo {
  position: absolute;
  left: 50%; top: 50%;
  width: 520px; height: 520px;
  margin: -260px 0 0 -260px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 40%, rgba(43,241,216,0.32), transparent 55%),
    radial-gradient(circle at 70% 60%, rgba(139,92,255,0.28), transparent 55%),
    radial-gradient(circle at 50% 80%, rgba(240,255,42,0.18), transparent 55%);
  filter: blur(30px);
  opacity: .85;
  animation: haloPulse 8s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}
@keyframes haloPulse {
  0%,100% { transform: scale(1); opacity: .8; }
  50%     { transform: scale(1.08); opacity: 1; }
}

/* ============ Orbital ring with traveling dots ============ */
.k-orbit {
  position: absolute;
  left: 50%; top: 50%;
  width: 480px; height: 480px;
  margin: -240px 0 0 -240px;
  pointer-events: none;
  z-index: 1;
}
.orbit-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.10);
  box-shadow: inset 0 0 30px rgba(43,241,216,0.05);
}
.k-orbit.tilt {
  width: 380px; height: 380px;
  margin: -190px 0 0 -190px;
  transform: rotateX(60deg) rotateZ(-20deg);
}
.orbit-ring.tilted {
  border-color: rgba(139,92,255,0.18);
}

/* Traveler = container that rotates around center; dot sits at one edge */
.orbit-traveler {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  animation: orbitSpin 18s linear infinite;
  transform-origin: center;
}
.orbit-traveler .o-dot {
  position: absolute;
  left: 50%; top: -6px;
  width: 12px; height: 12px;
  margin-left: -6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 14px currentColor, 0 0 28px currentColor, 0 0 50px currentColor;
}
.orbit-traveler .o-dot.small { width: 7px; height: 7px; top: -3px; margin-left: -3px; }
.o-dot.teal   { color: var(--teal); }
.o-dot.purple { color: var(--purple); }
.o-dot.yellow { color: var(--yellow); }

/* Each traveler at different start angle + speed */
.t1 { animation-duration: 14s; animation-delay: 0s; }
.t2 { animation-duration: 18s; animation-delay: -4s; }
.t3 { animation-duration: 22s; animation-delay: -10s; }
.t4 { animation-duration: 12s; animation-delay: -7s; animation-direction: reverse; }
.t5 { animation-duration: 10s; animation-delay: 0s; }
.t6 { animation-duration: 16s; animation-delay: -5s; animation-direction: reverse; }

@keyframes orbitSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ============ Pedestal — K stands on a holographic disc (SVG, crisp) ============ */
.k-pedestal {
  position: absolute;
  left: 50%; bottom: 12%;
  width: 460px; height: 120px;
  margin-left: -230px;
  pointer-events: none;
  z-index: 1;
  perspective: 800px;
  perspective-origin: 50% 0%;
}
.pedestal-3d {
  position: absolute;
  inset: 0;
  display: flex; align-items: center; justify-content: center;
  transform: rotateX(72deg);
  transform-style: preserve-3d;
  animation: pedestalSpin 40s linear infinite;
  will-change: transform;
}
.pedestal-svg {
  width: 420px;
  height: 420px;
  overflow: visible;
  filter: drop-shadow(0 0 18px rgba(43,241,216,0.25));
  /* Subtle vignette mask so far edge fades to dark */
  -webkit-mask-image: radial-gradient(circle at center, #000 60%, transparent 100%);
          mask-image: radial-gradient(circle at center, #000 60%, transparent 100%);
}
@keyframes pedestalSpin {
  from { transform: rotateX(72deg) rotateZ(0deg); }
  to   { transform: rotateX(72deg) rotateZ(360deg); }
}

.pedestal-glow {
  position: absolute;
  left: 50%; top: 50%;
  width: 340px; height: 36px;
  margin: -18px 0 0 -170px;
  background: radial-gradient(ellipse, rgba(43,241,216,0.55), rgba(139,92,255,0.22) 40%, transparent 70%);
  filter: blur(22px);
  animation: pedestalPulse 4s ease-in-out infinite;
  pointer-events: none;
}
@keyframes pedestalPulse {
  0%,100% { opacity: .75; transform: scaleX(1); }
  50%     { opacity: 1;   transform: scaleX(1.15); }
}

.pedestal-shadow {
  position: absolute;
  left: 50%; top: 50%;
  width: 300px; height: 26px;
  margin: -13px 0 0 -150px;
  background: radial-gradient(ellipse, rgba(0,0,0,0.55), transparent 70%);
  filter: blur(10px);
}

/* ============ The K logo image ============ */
.k-image {
  position: relative;
  width: 460px;
  max-width: 88%;
  height: auto;
  z-index: 3;
  animation: kFloat 6s ease-in-out infinite;
  filter:
    drop-shadow(0 0 20px rgba(43,241,216,0.4))
    drop-shadow(0 0 40px rgba(139,92,255,0.3))
    drop-shadow(0 0 60px rgba(240,255,42,0.18));
  will-change: transform;
}
@keyframes kFloat {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-12px); }
}

/* =========================================================
   Stats
   ========================================================= */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 28px 36px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}
.stat {
  display: flex; align-items: center; gap: 16px;
  padding: 8px 16px;
  border-right: 1px solid var(--border);
}
.stat:last-child { border-right: 0; }
.stat-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
}
.stat-icon svg { width: 22px; height: 22px; }
.stat-icon.teal   { color: var(--teal);   box-shadow: inset 0 0 20px rgba(43,241,216,.14); }
.stat-icon.purple { color: var(--purple); box-shadow: inset 0 0 20px rgba(139,92,255,.18); }
.stat-icon.yellow { color: var(--yellow); box-shadow: inset 0 0 20px rgba(240,255,42,.14); }
.stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 32px; font-weight: 600;
  line-height: 1;
}
.stat-label { font-size: 12px; color: var(--text-3); margin-top: 4px; }

/* =========================================================
   Sections
   ========================================================= */
.section { padding: 110px 0; position: relative; }
.kicker {
  display: inline-block;
  font-size: 11px;
  letter-spacing: .32em;
  color: var(--yellow);
  margin-bottom: 18px;
  font-weight: 500;
  text-shadow: 0 0 12px rgba(240,255,42,0.35);
}
.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(28px, 3.6vw, 48px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.section-desc {
  font-size: 15px;
  color: var(--text-2);
  max-width: 440px;
  margin-top: 12px;
}
.section-head { margin-bottom: 56px; }
.head-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap; }

/* =========================================================
   Services
   ========================================================= */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.service-card {
  position: relative;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-height: 260px;
  display: flex; flex-direction: column;
  transition: transform .4s var(--ease), border-color .3s, box-shadow .3s;
  overflow: hidden;
  transform-style: preserve-3d;
}
.service-card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 0%, rgba(255,255,255,0.06), transparent 60%);
  pointer-events: none;
  opacity: 0; transition: opacity .4s;
}
.service-card:hover { transform: translateY(-6px); }
.service-card:hover::before { opacity: 1; }
.service-card[data-color="teal"]:hover   { border-color: rgba(43,241,216,.45); box-shadow: 0 20px 60px -20px rgba(43,241,216,.4); }
.service-card[data-color="purple"]:hover { border-color: rgba(139,92,255,.45); box-shadow: 0 20px 60px -20px rgba(139,92,255,.45); }
.service-card[data-color="yellow"]:hover { border-color: rgba(240,255,42,.45); box-shadow: 0 20px 60px -20px rgba(240,255,42,.3); }

.svc-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 28px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  transition: transform .4s var(--ease);
}
.svc-icon svg { width: 26px; height: 26px; }
.service-card[data-color="teal"] .svc-icon   { color: var(--teal); }
.service-card[data-color="purple"] .svc-icon { color: var(--purple); }
.service-card[data-color="yellow"] .svc-icon { color: var(--yellow); }
.service-card:hover .svc-icon { transform: rotate(-6deg) scale(1.1); filter: drop-shadow(0 0 12px currentColor); }

.service-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 19px;
  font-weight: 500;
  margin-bottom: 10px;
}
.service-card p { font-size: 13.5px; color: var(--text-3); flex: 1; }
.svc-arrow {
  margin-top: 18px;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-3);
  transition: color .3s, transform .3s;
}
.svc-arrow svg { width: 18px; height: 18px; }
.service-card:hover .svc-arrow { color: var(--text); transform: translateX(6px); }

/* =========================================================
   Projects
   ========================================================= */
.projects-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.project-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex; flex-direction: column;
  transition: transform .45s var(--ease), border-color .3s;
  aspect-ratio: 3 / 4;
}
.project-card:hover { transform: translateY(-6px); border-color: var(--border-strong); }
.pc-visual { flex: 1; position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.pv-glow { position: absolute; inset: -20%; pointer-events: none; opacity: .7; }

.pv-volt8 { background: radial-gradient(ellipse at center, #0d3a2e 0%, #061b15 70%); }
.pv-volt8 .pv-glow { background: radial-gradient(circle at 50% 60%, rgba(43,241,216,.5), transparent 55%); }
.pv-aqva { background: radial-gradient(ellipse at center, #5a4ed1 0%, #1a1640 70%); }
.pv-aqva .pv-glow { background: radial-gradient(circle at 50% 40%, rgba(139,92,255,.5), transparent 55%); }
.pv-lumen { background: #0e0e16; }
.pv-lumen .pv-glow { background: radial-gradient(circle at 50% 50%, rgba(240,255,42,.18), transparent 55%); }
.pv-kotro { background: linear-gradient(135deg, #0d3a2e 0%, #2d2270 60%, #1a1a30 100%); }

.pv-phone {
  position: relative;
  width: 48%;
  aspect-ratio: 1/2;
  background: linear-gradient(180deg, #1a1a25, #0a0a14);
  border-radius: 22px;
  border: 2px solid rgba(255,255,255,0.1);
  box-shadow: 0 30px 60px rgba(0,0,0,0.5), inset 0 0 30px rgba(0,0,0,0.4);
  transform: rotate(-8deg);
  z-index: 2;
  transition: transform .6s var(--ease);
}
.pv-phone::before {
  content: ""; position: absolute; inset: 8px;
  background: linear-gradient(180deg, rgba(43,241,216,0.18), rgba(139,92,255,0.12));
  border-radius: 14px;
}
.pv-phone::after {
  content: ""; position: absolute;
  top: 8px; left: 50%;
  transform: translateX(-50%);
  width: 30%; height: 14px;
  background: #000;
  border-radius: 0 0 10px 10px;
}
.pv-phone.dark::before { background: linear-gradient(180deg, rgba(240,255,42,0.1), rgba(255,255,255,0.04)); }
.project-card:hover .pv-phone { transform: rotate(-4deg) scale(1.04); }

.pv-bottle { position: relative; width: 30%; aspect-ratio: 1/3; z-index: 2; transition: transform .6s var(--ease); }
.pv-bottle::before {
  content: ""; position: absolute;
  top: 14%; bottom: 0; left: 0; right: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.85), rgba(255,255,255,0.35));
  border-radius: 4px 4px 12px 12px;
  backdrop-filter: blur(4px);
  box-shadow: inset 0 0 20px rgba(255,255,255,0.5), 0 20px 40px rgba(0,0,0,0.4);
}
.pv-bottle::after {
  content: ""; position: absolute;
  top: 0; left: 38%;
  width: 24%; height: 18%;
  background: #1a1a25;
  border-radius: 4px;
}
.project-card:hover .pv-bottle { transform: translateY(-6px); }

.pv-kotro { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; }
.pv-kotro-img {
  width: 55%;
  filter: drop-shadow(0 0 20px rgba(43,241,216,0.5)) drop-shadow(0 0 30px rgba(139,92,255,0.3));
  animation: kFloat 6s ease-in-out infinite;
}
.pv-wordmark {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  letter-spacing: .3em;
  color: rgba(255,255,255,0.7);
  z-index: 2;
}

.pc-meta {
  padding: 18px 20px;
  border-top: 1px solid var(--border);
  background: rgba(6,8,18,0.6);
}
.pc-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 18px;
  letter-spacing: .08em;
  display: block;
}
.pc-title.aqva {
  background: linear-gradient(135deg, #b8d7ff, #fff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.pc-tag {
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: .12em;
  display: block;
  margin-top: 4px;
}
.pc-arrow {
  position: absolute;
  top: 16px; right: 16px;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: rgba(6,8,18,0.55);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  color: var(--yellow);
  transition: transform .3s, background .3s;
  z-index: 3;
}
.pc-arrow svg { width: 16px; height: 16px; }
.project-card:hover .pc-arrow {
  background: var(--yellow);
  color: #060812;
  transform: rotate(-12deg) scale(1.06);
}

/* =========================================================
   About
   ========================================================= */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.about-list { margin-top: 28px; display: flex; flex-direction: column; gap: 14px; }
.about-list li { display: flex; align-items: center; gap: 14px; font-size: 15px; color: var(--text-2); }
.about-list .dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.about-list .dot.teal   { background: var(--teal);   box-shadow: 0 0 14px var(--teal); }
.about-list .dot.purple { background: var(--purple); box-shadow: 0 0 14px var(--purple); }
.about-list .dot.yellow { background: var(--yellow); box-shadow: 0 0 14px var(--yellow); }

.about-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.ac-row { background: var(--bg-2); padding: 36px 32px; display: flex; flex-direction: column; gap: 6px; transition: background .3s; }
.ac-row:hover { background: var(--bg-3); }
.ac-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 44px; font-weight: 500;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1;
}
.ac-num span { font-size: 28px; }
.ac-lbl { font-size: 13px; color: var(--text-3); letter-spacing: .04em; }

/* =========================================================
   Packages (Sosyal Medya)
   ========================================================= */
.packages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 80px;
  align-items: stretch;
}
.pkg-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 36px 32px;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.015));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .45s var(--ease), border-color .35s, box-shadow .35s;
}
.pkg-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(160deg, transparent 0%, rgba(255,255,255,0.18) 30%, transparent 60%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}
.pkg-card::after {
  content: "";
  position: absolute;
  top: -120px; left: -120px;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--tone-color, rgba(43,241,216,0.25)) 0%, transparent 60%);
  filter: blur(40px);
  opacity: .55;
  pointer-events: none;
}
.pkg-card[data-tone="cyan"]   { --tone-color: rgba(43,241,216,0.30); }
.pkg-card[data-tone="yellow"] { --tone-color: rgba(240,255,42,0.28); }
.pkg-card[data-tone="purple"] { --tone-color: rgba(139,92,255,0.32); }

.pkg-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-strong);
  box-shadow: 0 30px 60px -25px rgba(0,0,0,0.6);
}

/* Popular variant */
.pkg-popular {
  background:
    linear-gradient(180deg, rgba(240,255,42,0.05), rgba(139,92,255,0.04)),
    rgba(20,22,38,0.4);
  border-color: rgba(240,255,42,0.30);
  box-shadow:
    0 30px 80px -30px rgba(240,255,42,0.18),
    inset 0 0 0 1px rgba(240,255,42,0.10);
  transform: translateY(-6px);
}
.pkg-popular:hover {
  transform: translateY(-14px);
  box-shadow: 0 40px 100px -30px rgba(240,255,42,0.28);
}
.pkg-badge {
  position: absolute;
  top: 18px; right: 18px;
  padding: 6px 12px;
  font-size: 10px;
  letter-spacing: .22em;
  font-weight: 600;
  color: #050610;
  background: var(--yellow);
  border-radius: 999px;
  box-shadow: 0 0 18px rgba(240,255,42,0.55);
  animation: badgePulse 2.4s ease-in-out infinite;
}
@keyframes badgePulse {
  0%,100% { transform: scale(1); }
  50%     { transform: scale(1.05); }
}

.pkg-head { margin-bottom: 20px; position: relative; z-index: 1; }
.pkg-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 28px;
  font-weight: 600;
  letter-spacing: .08em;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.pkg-card[data-tone="cyan"]   .pkg-name { background: linear-gradient(135deg, #2bf1d8, #59ffff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pkg-card[data-tone="yellow"] .pkg-name { background: linear-gradient(135deg, #f0ff2a, #ffe14a); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pkg-card[data-tone="purple"] .pkg-name { background: linear-gradient(135deg, #b58bff, #8b5cff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pkg-sub {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: .28em;
  color: var(--text-3);
}

.pkg-price {
  position: relative; z-index: 1;
  display: flex; align-items: baseline; gap: 10px;
  padding: 20px 0 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}
.pkg-amount {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 44px;
  font-weight: 600;
  line-height: 1;
}
.pkg-period {
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--text-3);
}

.pkg-features {
  position: relative; z-index: 1;
  display: flex; flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
  flex: 1;
}
.pkg-features li {
  display: flex; align-items: baseline; gap: 8px;
  font-size: 14px;
  color: var(--text-2);
  padding-left: 24px;
  position: relative;
}
.pkg-features li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, var(--tone-color, var(--teal)) 0%, transparent 60%),
    rgba(255,255,255,0.05);
  border: 1px solid var(--border-strong);
}
.pkg-features li::after {
  content: "";
  position: absolute;
  left: 4px; top: 11px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.pkg-card[data-tone="cyan"]   .pkg-features li::after { color: var(--teal); box-shadow: 0 0 8px var(--teal); }
.pkg-card[data-tone="yellow"] .pkg-features li::after { color: var(--yellow); box-shadow: 0 0 8px var(--yellow); }
.pkg-card[data-tone="purple"] .pkg-features li::after { color: var(--purple); box-shadow: 0 0 8px var(--purple); }
.pkg-features li strong {
  color: var(--text);
  font-weight: 600;
  margin-right: 2px;
}
.pkg-features li small {
  color: var(--text-3);
  font-size: 12px;
}
.pkg-features li.pkg-na {
  color: var(--text-3);
  opacity: .55;
}
.pkg-features li.pkg-na::after { background: var(--text-3); box-shadow: none; }
.pkg-features li.pkg-na::before { background: rgba(255,255,255,0.04); }

.pkg-cta { position: relative; z-index: 1; margin-top: auto; }

/* Why Kotro */
.why-kotro {
  padding: 48px 40px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}
.why-kotro::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(43,241,216,0.10), transparent 50%),
    radial-gradient(circle at 85% 80%, rgba(139,92,255,0.10), transparent 50%);
  pointer-events: none;
}
.why-title {
  position: relative;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  letter-spacing: .32em;
  color: var(--text-3);
  margin-bottom: 32px;
  font-weight: 500;
}
.why-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.why-item {
  display: flex; flex-direction: column; gap: 10px;
  text-align: left;
  padding: 0;
}
.why-icon {
  width: 50px; height: 50px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  margin-bottom: 6px;
  transition: transform .35s var(--ease), filter .35s;
}
.why-icon svg { width: 22px; height: 22px; }
.why-icon.teal   { color: var(--teal); }
.why-icon.purple { color: var(--purple); }
.why-icon.yellow { color: var(--yellow); }
.why-item:hover .why-icon { transform: rotate(-6deg) scale(1.08); filter: drop-shadow(0 0 10px currentColor); }
.why-item h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 500;
}
.why-item p {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.6;
}

/* =========================================================
   CTA
   ========================================================= */
.cta-card {
  position: relative;
  padding: 56px 48px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 20% 0%, rgba(43,241,216,0.18), transparent 50%),
    radial-gradient(circle at 80% 100%, rgba(139,92,255,0.22), transparent 55%),
    rgba(15,16,32,0.6);
  border: 1px solid var(--border-strong);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 36px;
  align-items: center;
  overflow: hidden;
}
.cta-corner {
  width: 72px; height: 72px;
  border-radius: 50%;
  border: 1.5px solid var(--teal);
  display: flex; align-items: center; justify-content: center;
  color: var(--teal);
  box-shadow: 0 0 30px rgba(43,241,216,.34);
}
.cta-corner svg { width: 28px; height: 28px; }
.cta-text h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(26px, 3vw, 42px);
  font-weight: 500;
  line-height: 1.15;
  margin-bottom: 8px;
}
.cta-text p { color: var(--text-2); font-size: 15px; max-width: 380px; }

/* =========================================================
   Contact
   ========================================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info { margin-top: 32px; display: flex; flex-direction: column; gap: 18px; }
.contact-info li {
  display: flex; align-items: center; gap: 18px;
  padding: 18px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .3s, transform .3s;
}
.contact-info li:hover { border-color: var(--border-strong); transform: translateX(4px); }
.ci-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
}
.ci-icon svg { width: 20px; height: 20px; }
.ci-icon.teal { color: var(--teal); }
.ci-icon.yellow { color: var(--yellow); }
.ci-lbl { font-size: 12px; color: var(--text-3); }
.ci-val { font-size: 15px; font-weight: 500; }

.contact-form {
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex; flex-direction: column; gap: 18px;
}
.field { position: relative; }
.field input, .field textarea {
  width: 100%;
  padding: 18px 18px 6px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font: inherit;
  font-size: 15px;
  resize: vertical;
  transition: border-color .25s, background .25s;
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--teal);
  background: rgba(43,241,216,0.04);
}
.field label {
  position: absolute;
  left: 18px; top: 17px;
  color: var(--text-3);
  font-size: 14px;
  pointer-events: none;
  transition: all .25s var(--ease);
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
  top: 6px;
  font-size: 10px;
  color: var(--teal);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.form-feedback { font-size: 13px; min-height: 18px; text-align: center; color: var(--teal); }

/* =========================================================
   Footer
   ========================================================= */
.site-footer { padding: 80px 0 30px; border-top: 1px solid var(--border); margin-top: 60px; position: relative; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--border);
}

/* Chevron (hidden by default; shown on mobile accordion) */
.f-chev {
  display: none;
  width: 12px; height: 12px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform .3s var(--ease);
  flex-shrink: 0;
}
.f-brand p { font-size: 14px; color: var(--text-3); margin: 20px 0 24px; max-width: 320px; }
.socials { display: flex; gap: 12px; }
.socials a {
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  color: var(--text-2);
  transition: all .3s;
}
.socials a:hover {
  color: var(--text);
  border-color: var(--teal);
  background: rgba(43,241,216,0.07);
  transform: translateY(-2px);
}
.socials svg { width: 16px; height: 16px; }
.f-title { font-size: 12px; letter-spacing: .28em; color: var(--text-3); margin-bottom: 18px; font-weight: 500; }
.f-list { display: flex; flex-direction: column; gap: 10px; }
.f-list a, .f-list li { font-size: 14px; color: var(--text-2); transition: color .25s; }
.f-list a:hover { color: var(--teal); }

.f-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 28px;
  font-size: 13px;
  color: var(--text-3);
}
.f-dot { display: inline-flex; align-items: center; gap: 8px; }
.live {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 8px var(--teal);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%     { opacity: .5; transform: scale(.85); }
}

/* Scroll progress */
.scroll-progress {
  position: fixed; top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--grad);
  z-index: 60;
  box-shadow: 0 0 12px rgba(43,241,216,.6);
  transition: width .1s linear;
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-art { height: 480px; order: -1; }
  .k-image { width: 360px; }
  .k-orbit { width: 400px; height: 400px; margin: -200px 0 0 -200px; }
  .k-orbit.tilt { width: 320px; height: 320px; margin: -160px 0 0 -160px; }
  .k-halo { width: 420px; height: 420px; margin: -210px 0 0 -210px; }
  .k-pedestal { width: 380px; margin-left: -190px; height: 100px; }
  .pedestal-svg { width: 360px; height: 360px; }

  .packages-grid { grid-template-columns: 1fr; gap: 18px; }
  .pkg-popular { transform: none; }
  .why-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .why-kotro { padding: 36px 28px; }

  /* Tablet footer: 2 cols brand + accordion list */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--border); padding-bottom: 22px; }
  .stat:nth-child(3), .stat:nth-child(4) { padding-top: 22px; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .cta-card { grid-template-columns: 1fr; text-align: left; padding: 36px 28px; }
  .cta-corner { width: 56px; height: 56px; }
}

@media (max-width: 720px) {
  .nav-menu, .hide-mobile { display: none; }
  .hamburger { display: flex; }
  .section { padding: 70px 0; }

  /* === Hero: K below text === */
  .hero { padding-top: 100px; padding-bottom: 20px; }
  .hero-grid { grid-template-columns: 1fr; gap: 12px; margin-bottom: 28px; }
  .hero-art { order: 0; height: 380px; }   /* K BELOW text */
  .hero-title { margin-bottom: 16px; }
  .hero-lead { margin-bottom: 22px; font-size: 15px; }

  /* Bigger K, sitting on pedestal */
  .k-image {
    width: 300px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -58%);   /* nudge up so it sits on pedestal */
  }
  .k-halo {
    width: 360px; height: 360px;
    margin: -180px 0 0 -180px;
    top: 45%;
    opacity: .65;
  }
  /* Hide secondary tilted orbit; keep main one as subtle accent */
  .k-orbit.tilt { display: none; }
  .k-orbit:not(.tilt) {
    width: 320px; height: 320px;
    margin: -160px 0 0 -160px;
    top: 45%;
    opacity: .6;
  }
  /* Pedestal sits at the bottom directly under the K */
  .k-pedestal {
    width: 320px;
    margin-left: -160px;
    height: 90px;
    bottom: 4%;
  }
  .pedestal-svg { width: 300px; height: 300px; }
  .pedestal-glow {
    width: 240px;
    margin-left: -120px;
  }

  /* === Stats: vertical list with icon-left layout (mockup style) === */
  .stats {
    grid-template-columns: 1fr;
    padding: 20px;
    gap: 4px;
  }
  .stat {
    padding: 10px 8px;
    gap: 14px;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
  .stat:last-child { border-bottom: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { padding-bottom: 10px; }
  .stat:nth-child(3), .stat:nth-child(4) { padding-top: 10px; }
  .stat-num { font-size: 26px; }

  /* === Services: 2x2 grid (mockup style) === */
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .service-card {
    padding: 20px 18px;
    min-height: 200px;
  }
  .svc-icon {
    width: 44px; height: 44px;
    margin-bottom: 16px;
  }
  .svc-icon svg { width: 22px; height: 22px; }
  .service-card h3 { font-size: 15px; margin-bottom: 6px; }
  .service-card p { font-size: 12px; }
  .svc-arrow { margin-top: 14px; width: 26px; height: 26px; }

  /* === Projects: single column (already done) === */
  .projects-grid { grid-template-columns: 1fr; gap: 14px; }

  /* === Packages === */
  .pkg-card { padding: 26px 22px; }
  .pkg-amount { font-size: 34px; }
  .why-grid { grid-template-columns: 1fr; gap: 22px; }

  /* === About === */
  .about-card { grid-template-columns: 1fr 1fr; }
  .ac-row { padding: 24px 20px; }
  .ac-num { font-size: 32px; }

  /* === CTA === */
  .cta-card { padding: 32px 22px; }

  /* === Section heads on mobile === */
  .head-row { flex-direction: column; align-items: flex-start; }

  /* === Contact === */
  .contact-form { padding: 24px 20px; }

  /* === Footer: brand on top, link groups as accordions === */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 0;
    padding-bottom: 30px;
  }
  .f-brand {
    padding-bottom: 28px;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--border);
  }
  .f-col {
    border-bottom: 1px solid var(--border);
  }
  .f-col:last-child { border-bottom: 0; }
  .f-col .f-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 4px;
    margin-bottom: 0;
    cursor: pointer;
    user-select: none;
    color: var(--text);
    font-size: 13px;
    letter-spacing: .24em;
    transition: color .25s;
  }
  .f-col .f-title:hover { color: var(--teal); }
  .f-col .f-chev { display: block; color: var(--text-3); }
  .f-col .f-list {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s var(--ease), padding .35s var(--ease);
    padding: 0 4px;
  }
  .f-col.open .f-list {
    max-height: 320px;
    padding: 4px 4px 20px;
  }
  .f-col.open .f-chev { transform: rotate(225deg); }

  .f-bottom { flex-direction: column; gap: 10px; padding-top: 22px; }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

::selection { background: rgba(43,241,216,0.35); color: #fff; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--teal), var(--purple));
  border-radius: 10px;
  border: 2px solid var(--bg);
}
