/* ============================================
   GoKinitic - Premium Glassmorphism Theme
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --deep-blue: #0a0e27;
  --navy: #0d1b3e;
  --teal: #00bcd4;
  --teal-dark: #0097a7;
  --emerald: #00c853;
  --green-vibrant: #69f0ae;
  --green-glow: #00e676;
  --cyan: #18ffff;
  --white: #ffffff;
  --white-soft: rgba(255, 255, 255, 0.9);
  --white-muted: rgba(255, 255, 255, 0.6);
  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-bg-strong: rgba(255, 255, 255, 0.10);
  --glass-border-strong: rgba(255, 255, 255, 0.20);
  --glow-teal: 0 0 40px rgba(0, 188, 212, 0.3);
  --glow-green: 0 0 40px rgba(0, 230, 118, 0.3);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-primary);
  background: var(--deep-blue);
  color: var(--white);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* --- Animated Background --- */
.bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
  animation: orbFloat 20s ease-in-out infinite;
}

.bg-orb--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 188, 212, 0.5), transparent);
  top: -10%;
  left: -10%;
}

.bg-orb--2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 200, 83, 0.4), transparent);
  top: 40%;
  right: -15%;
  animation-delay: -7s;
}

.bg-orb--3 {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0, 150, 167, 0.3), transparent);
  bottom: -20%;
  left: 30%;
  animation-delay: -14s;
}

.bg-orb--4 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(105, 240, 174, 0.3), transparent);
  top: 60%;
  left: -5%;
  animation-delay: -4s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(60px, -40px) scale(1.1); }
  50% { transform: translate(-30px, 60px) scale(0.95); }
  75% { transform: translate(40px, 30px) scale(1.05); }
}

/* --- Typography --- */
h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
  color: var(--white-muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.text-gradient {
  background: linear-gradient(135deg, var(--teal), var(--green-vibrant));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Layout --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

section {
  padding: 120px 0;
  position: relative;
}

/* --- Glass Components --- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
}

.glass--strong {
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border-strong);
}

.glass--card {
  padding: 32px;
  transition: all 0.4s var(--transition-smooth);
}

.glass--card:hover {
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-4px);
  box-shadow: var(--glow-teal);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  border-radius: 60px;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.4s var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: linear-gradient(135deg, var(--teal), var(--emerald));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(0, 188, 212, 0.3);
}

.btn--primary:hover {
  box-shadow: 0 8px 40px rgba(0, 188, 212, 0.5);
  transform: translateY(-2px);
}

.btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--emerald), var(--teal));
  opacity: 0;
  transition: opacity 0.4s var(--transition-smooth);
}

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

.btn--primary span,
.btn--primary svg {
  position: relative;
  z-index: 1;
}

.btn--secondary {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border-strong);
  color: var(--white);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--teal);
  box-shadow: 0 0 20px rgba(0, 188, 212, 0.2);
  transform: translateY(-2px);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: all 0.4s var(--transition-smooth);
}

.nav.scrolled {
  background: rgba(10, 14, 39, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--glass-border);
  padding: 12px 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav__logo img {
  height: 44px;
  width: auto;
}

.nav__logo-text {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav__links a {
  color: var(--white-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--green-vibrant));
  transition: width 0.3s var(--transition-smooth);
}

.nav__links a:hover {
  color: var(--white);
}

.nav__links a:hover::after {
  width: 100%;
}

.nav__cta {
  padding: 10px 24px !important;
  font-size: 0.9rem !important;
}

.nav__cta::after {
  display: none !important;
}

.nav__mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 24px;
  position: relative;
  z-index: 101;
}

.nav__mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s var(--transition-smooth);
  position: absolute;
  left: 0;
}

.nav__mobile-toggle span:nth-child(1) { top: 0; }
.nav__mobile-toggle span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.nav__mobile-toggle span:nth-child(3) { bottom: 0; }

.nav__mobile-toggle.active span:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}
.nav__mobile-toggle.active span:nth-child(2) { opacity: 0; }
.nav__mobile-toggle.active span:nth-child(3) {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  position: relative;
  overflow: hidden;
}

.hero__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 50px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  font-size: 0.85rem;
  color: var(--green-vibrant);
  font-weight: 500;
  margin-bottom: 24px;
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--green-vibrant);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(105, 240, 174, 0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 8px rgba(105, 240, 174, 0); }
}

.hero__title {
  margin-bottom: 24px;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--white-muted);
  margin-bottom: 36px;
  max-width: 540px;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

/* Hero Stats */
.hero__stats {
  display: flex;
  gap: 16px;
}

.hero__stat {
  padding: 16px 24px;
  border-radius: 16px;
  text-align: center;
}

.hero__stat-value {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--teal), var(--green-vibrant));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.hero__stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--white-muted);
  font-weight: 500;
  margin-top: 4px;
}

/* Architecture Visualization */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.arch-visual {
  position: relative;
  width: 400px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.arch-visual__ring--outer {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(0, 188, 212, 0.15);
  animation: slowSpin 60s linear infinite;
}

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

.arch-visual__node {
  position: absolute;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--glass-bg-strong);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  transition: all 0.3s;
  cursor: default;
}

.arch-visual__node svg {
  width: 24px;
  height: 24px;
}

.arch-visual__node:hover {
  border-color: var(--teal);
  box-shadow: 0 0 24px rgba(0, 188, 212, 0.3);
  transform: scale(1.15);
}

.arch-visual__node::after {
  content: attr(data-label);
  position: absolute;
  bottom: -22px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  color: var(--white-muted);
  white-space: nowrap;
  font-weight: 500;
  opacity: 0;
  transition: opacity 0.3s;
}

.arch-visual__node:hover::after {
  opacity: 1;
}

/* Position nodes around the ring */
.arch-visual__node--1 { top: -8px; left: 50%; transform: translateX(-50%); }
.arch-visual__node--2 { top: 18%; right: -8px; }
.arch-visual__node--3 { bottom: 18%; right: -8px; }
.arch-visual__node--4 { bottom: -8px; left: 50%; transform: translateX(-50%); }
.arch-visual__node--5 { bottom: 18%; left: -8px; }
.arch-visual__node--6 { top: 18%; left: -8px; }

.arch-visual__core {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 188, 212, 0.1), rgba(0, 200, 83, 0.05));
  border: 1px solid rgba(0, 188, 212, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  z-index: 2;
}

.arch-visual__logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
}

.arch-visual__core-label {
  font-size: 0.65rem;
  color: var(--white-muted);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.arch-visual__pulse {
  position: absolute;
  inset: 20%;
  border-radius: 50%;
  border: 1px solid rgba(0, 188, 212, 0.15);
  animation: archPulse 4s ease-out infinite;
}

.arch-visual__pulse--delayed {
  animation-delay: 2s;
}

@keyframes archPulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(2.5); opacity: 0; }
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}

.section-header__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--teal);
  margin-bottom: 16px;
}

.section-header__title {
  margin-bottom: 16px;
}

.section-header__desc {
  font-size: 1.1rem;
}

/* --- Divider --- */
.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border-strong), transparent);
}

/* --- Capabilities / Pillars --- */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.pillar {
  text-align: left;
}

.pillar__icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.12), rgba(0, 200, 83, 0.12));
  border: 1px solid rgba(0, 188, 212, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--teal);
}

.pillar__icon svg {
  width: 26px;
  height: 26px;
}

.pillar h3 {
  margin-bottom: 12px;
  color: var(--white);
}

.pillar p {
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.pillar__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pillar__list li {
  font-size: 0.88rem;
  color: var(--white-soft);
  padding-left: 18px;
  position: relative;
}

.pillar__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--emerald));
}

/* --- Technology Showcase --- */
.tech-showcase {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.tech-card {
  padding: 36px;
}

.tech-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.tech-card__icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.12), rgba(0, 200, 83, 0.12));
  border: 1px solid rgba(0, 188, 212, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
}

.tech-card__icon-wrap svg {
  width: 22px;
  height: 22px;
}

.tech-card__score {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--green-vibrant);
}

.tech-card__score span {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--white-muted);
}

.tech-card h3 {
  margin-bottom: 10px;
  color: var(--white);
}

.tech-card > p {
  font-size: 0.92rem;
  margin-bottom: 16px;
}

.tech-card__highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.tech-tag {
  padding: 5px 14px;
  border-radius: 50px;
  background: rgba(0, 188, 212, 0.08);
  border: 1px solid rgba(0, 188, 212, 0.15);
  font-size: 0.78rem;
  color: var(--teal);
  font-weight: 500;
}

.tech-card__insight {
  padding: 16px;
  background: rgba(0, 188, 212, 0.04);
  border: 1px solid rgba(0, 188, 212, 0.1);
  border-radius: 12px;
  font-size: 0.85rem;
  color: var(--white-muted);
  line-height: 1.6;
}

.tech-card__insight strong {
  color: var(--white-soft);
}

.tech-card__insight code {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.82rem;
  color: var(--green-vibrant);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

/* --- Architecture Principles --- */
.principles__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.principle {
  padding: 28px;
}

.principle__number {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.3), rgba(0, 200, 83, 0.3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
  line-height: 1;
}

.principle h4 {
  margin-bottom: 8px;
  color: var(--white);
}

.principle p {
  font-size: 0.9rem;
}

/* --- Platforms --- */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.platform-card {
  text-align: center;
  padding: 32px 20px;
}

.platform-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.1), rgba(0, 200, 83, 0.1));
  border: 1px solid rgba(0, 188, 212, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--teal);
}

.platform-card__icon svg {
  width: 24px;
  height: 24px;
}

.platform-card h4 {
  margin-bottom: 8px;
  color: var(--white);
}

.platform-card p {
  font-size: 0.88rem;
  margin-bottom: 14px;
}

.platform-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}

.platform-card__tags span {
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--white-muted);
}

/* --- Products --- */
.products__grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.product-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 48px;
  align-items: center;
  padding: 40px;
}

.product-phone {
  width: 220px;
  height: 440px;
  background: linear-gradient(145deg, #1a1a2e, #0d1117);
  border-radius: 36px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 60px rgba(0, 188, 212, 0.1), 0 30px 60px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.product-phone__screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #0a1628, #0d1f3c);
  padding: 16px 12px;
}

.product-score-ring {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: conic-gradient(var(--teal) 0deg, var(--emerald) 280deg, rgba(255,255,255,0.05) 280deg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

.product-score-ring::before {
  content: '';
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  background: #0d1f3c;
}

.product-score-ring__value {
  position: relative;
  z-index: 1;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
}

.product-score-ring__label {
  position: relative;
  z-index: 1;
  font-size: 0.55rem;
  color: var(--white-muted);
}

.product-metric {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  padding: 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.product-metric__icon { font-size: 0.9rem; }
.product-metric__val { font-size: 0.75rem; font-weight: 700; color: var(--white); }
.product-metric__lbl { font-size: 0.55rem; color: var(--white-muted); }

.product-card__content {
  max-width: 560px;
}

.product-card__badge {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 50px;
  background: rgba(0, 200, 83, 0.1);
  border: 1px solid rgba(0, 200, 83, 0.2);
  font-size: 0.78rem;
  color: var(--green-vibrant);
  font-weight: 600;
  margin-bottom: 14px;
}

.product-card__content h3 {
  font-size: 1.8rem;
  margin-bottom: 14px;
  color: var(--white);
}

.product-card__content p {
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.product-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-card__tech span {
  padding: 5px 14px;
  border-radius: 50px;
  background: rgba(0, 188, 212, 0.06);
  border: 1px solid rgba(0, 188, 212, 0.12);
  font-size: 0.78rem;
  color: var(--teal);
  font-weight: 500;
}

/* --- AI Within Reach --- */
.within-reach {
  background: linear-gradient(180deg, transparent, rgba(0, 200, 83, 0.03), transparent);
}

.within-reach__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.within-reach__text h2 {
  margin-bottom: 20px;
}

.within-reach__text p {
  margin-bottom: 16px;
}

.within-reach__topics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
  margin-bottom: 32px;
}

.topic-tag {
  padding: 8px 18px;
  border-radius: 50px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  font-size: 0.85rem;
  color: var(--white-soft);
  font-weight: 500;
  transition: all 0.3s;
}

.topic-tag:hover {
  border-color: var(--teal);
  background: rgba(0, 188, 212, 0.08);
}

.within-reach__visual {
  display: flex;
  justify-content: center;
}

.yt-mockup {
  width: 100%;
  max-width: 480px;
}

.yt-mockup__player {
  background: linear-gradient(135deg, #0d1f3c, #1a1a2e);
  border: 1px solid var(--glass-border-strong);
  border-radius: 20px;
  overflow: hidden;
}

.yt-mockup__thumbnail {
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.1), rgba(0, 200, 83, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
}

.yt-mockup__play-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
}

.yt-mockup__play-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.08);
}

.yt-mockup__play-btn svg {
  width: 28px;
  height: 28px;
  fill: var(--white);
  margin-left: 4px;
}

.yt-mockup__channel-bar {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.yt-mockup__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--emerald));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
  color: var(--white);
}

.yt-mockup__info { flex: 1; }

.yt-mockup__channel-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--white);
}

.yt-mockup__channel-sub {
  font-size: 0.8rem;
  color: var(--white-muted);
}

.yt-mockup__video-cards {
  padding: 0 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.yt-video-card {
  display: flex;
  gap: 12px;
  padding: 10px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: background 0.3s;
}

.yt-video-card:hover { background: rgba(255, 255, 255, 0.06); }

.yt-video-card__thumb {
  width: 80px;
  height: 50px;
  border-radius: 8px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.yt-video-card__thumb--1 { background: linear-gradient(135deg, rgba(0, 188, 212, 0.2), rgba(63, 81, 181, 0.2)); }
.yt-video-card__thumb--2 { background: linear-gradient(135deg, rgba(0, 200, 83, 0.2), rgba(0, 150, 136, 0.2)); }

.yt-video-card__title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--white-soft);
  line-height: 1.3;
}

.yt-video-card__meta {
  font-size: 0.7rem;
  color: var(--white-muted);
  margin-top: 4px;
}

/* --- Enterprise --- */
.enterprise__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.enterprise-card {
  padding: 28px;
}

.enterprise-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.1), rgba(0, 200, 83, 0.1));
  border: 1px solid rgba(0, 188, 212, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  margin-bottom: 16px;
}

.enterprise-card__icon svg {
  width: 22px;
  height: 22px;
}

.enterprise-card h4 {
  margin-bottom: 8px;
  color: var(--white);
}

.enterprise-card p {
  font-size: 0.9rem;
}

/* --- CTA --- */
.cta-section {
  padding: 100px 0;
}

.cta-block {
  text-align: center;
  padding: 80px 48px;
  position: relative;
  overflow: hidden;
}

.cta-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.08), rgba(0, 200, 83, 0.08));
  z-index: 0;
}

.cta-block > * {
  position: relative;
  z-index: 1;
}

.cta-block h2 { margin-bottom: 16px; }

.cta-block p {
  font-size: 1.15rem;
  max-width: 560px;
  margin: 0 auto 36px;
}

.cta-block__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Footer --- */
.footer {
  padding: 60px 0 32px;
  border-top: 1px solid var(--glass-border);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer__brand-logo img { height: 36px; }
.footer__brand-logo span { font-size: 1.2rem; font-weight: 700; }

.footer__brand p {
  font-size: 0.9rem;
  color: var(--white-muted);
  max-width: 320px;
}

.footer__col h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer__col ul { list-style: none; }
.footer__col ul li { margin-bottom: 10px; }

.footer__col ul li a {
  color: var(--white-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s;
}

.footer__col ul li a:hover { color: var(--teal); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--glass-border);
}

.footer__bottom p {
  font-size: 0.85rem;
  color: var(--white-muted);
}

.footer__socials {
  display: flex;
  gap: 16px;
}

.footer__socials a {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white-muted);
  text-decoration: none;
  transition: all 0.3s;
}

.footer__socials a:hover {
  border-color: var(--teal);
  color: var(--teal);
  background: rgba(0, 188, 212, 0.08);
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s var(--transition-smooth);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===============================
   RESPONSIVE
   =============================== */

@media (max-width: 1024px) {
  .hero__content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }
  .hero__subtitle { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .hero__stats { justify-content: center; }

  .pillars { grid-template-columns: 1fr; max-width: 600px; margin: 0 auto; }
  .tech-showcase { grid-template-columns: 1fr; }
  .principles__grid { grid-template-columns: repeat(2, 1fr); }
  .platform-grid { grid-template-columns: repeat(2, 1fr); }

  .product-card {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 32px;
  }
  .product-card__visual { display: flex; justify-content: center; }
  .product-card__content { margin: 0 auto; }

  .within-reach__content {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .enterprise__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  section { padding: 80px 0; }

  .nav__links {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 28px;
    z-index: 100;
  }
  .nav__links.open { display: flex; }
  .nav__links a { font-size: 1.2rem; }
  .nav__mobile-toggle { display: block; }

  .arch-visual { width: 300px; height: 300px; }
  .arch-visual__node { width: 44px; height: 44px; }
  .arch-visual__node svg { width: 20px; height: 20px; }
  .arch-visual__core { width: 90px; height: 90px; }
  .arch-visual__logo { width: 40px; height: 40px; }

  .hero__stats { flex-wrap: wrap; }
  .hero__stat { padding: 12px 16px; }

  .principles__grid { grid-template-columns: 1fr; }
  .platform-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .enterprise__grid { grid-template-columns: 1fr; }

  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .cta-block { padding: 48px 24px; }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    align-items: center;
  }
  .btn {
    width: 100%;
    justify-content: center;
    max-width: 280px;
  }
  .cta-block__actions {
    flex-direction: column;
    align-items: center;
  }
  .hero__stats { flex-direction: column; align-items: center; }
  .product-phone { width: 200px; height: 400px; }
}