/* =============================================
   VIRAL MIND TECHNOLOGIES — styles.css
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

/* ─── CSS VARIABLES ─── */
:root {
  --bg-base:        #06060A;
  --bg-surface:     #0C0C12;
  --bg-card:        rgba(255, 255, 255, 0.03);
  --bg-card-hover:  rgba(255, 255, 255, 0.06);

  --accent-cyan:    #00D8FF;
  --accent-cyan-dim: rgba(0, 216, 255, 0.15);
  --accent-cyan-glow: rgba(0, 216, 255, 0.06);

  --border:         rgba(255, 255, 255, 0.07);
  --border-accent:  rgba(0, 216, 255, 0.25);

  --text-primary:   #EEEEF2;
  --text-secondary: #7A7A8C;
  --text-muted:     #4A4A5A;

  --font-display:   'Poppins', sans-serif;
  --font-body:      'Poppins', sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  --section-padding: clamp(80px, 10vw, 140px);
  --container-max: 1200px;
  --container-pad: clamp(20px, 5vw, 60px);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ─── NOISE OVERLAY ─── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 9999;
}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--accent-cyan-dim); border-radius: 2px; }

/* ─── CONTAINER ─── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ─── TYPOGRAPHY ─── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.section-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent-cyan);
}

.section-title {
  font-size: clamp(32px, 4vw, 52px);
  margin-bottom: 16px;
}

.section-sub {
  font-size: clamp(15px, 1.5vw, 18px);
  color: var(--text-secondary);
  font-weight: 300;
  max-width: 580px;
  line-height: 1.7;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-cyan);
  color: #06060A;
}

.btn-primary:hover {
  background: #33E2FF;
  transform: translateY(-1px);
  box-shadow: 0 8px 32px rgba(0, 216, 255, 0.25);
}

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

.btn-ghost:hover {
  border-color: var(--border-accent);
  color: var(--accent-cyan);
  background: var(--accent-cyan-glow);
}

.btn-outline-cyan {
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid var(--border-accent);
}

.btn-outline-cyan:hover {
  background: var(--accent-cyan-dim);
  transform: translateY(-1px);
}

/* ─── DIVIDER ─── */
.divider {
  width: 100%;
  height: 1px;
  background: var(--border);
}

/* ─── HEADER / NAV ─── */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0;
  transition: background var(--transition), border-color var(--transition);
}

header.scrolled {
  background: rgba(6, 6, 10, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.nav-logo span {
  color: var(--accent-cyan);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-primary);
  transition: var(--transition);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(6, 6, 10, 0.97);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
  padding: 24px var(--container-pad);
  flex-direction: column;
  gap: 20px;
  z-index: 999;
}

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

.mobile-menu a {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}

.mobile-menu a:hover { color: var(--accent-cyan); }
.mobile-menu .btn { width: fit-content; margin-top: 8px; }

/* ─── HERO ─── */
#hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px var(--container-pad) 100px;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 216, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 216, 255, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero-glow {
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 216, 255, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 860px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 14px 6px 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-family: var(--font-display);
  letter-spacing: 0.03em;
}

.hero-eyebrow .dot {
  width: 6px;
  height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-headline {
  font-size: clamp(40px, 6vw, 82px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.0;
  margin-bottom: 28px;
}

.hero-headline .accent {
  color: var(--accent-cyan);
}

.hero-sub {
  font-size: clamp(16px, 1.8vw, 20px);
  color: var(--text-secondary);
  font-weight: 300;
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 44px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 72px;
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  max-width: 720px;
}

.proof-item {
  background: var(--bg-base);
  padding: 20px 24px;
  transition: background var(--transition);
}

.proof-item:hover {
  background: var(--bg-card);
}

.proof-value {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 800;
  color: var(--accent-cyan);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 4px;
}

.proof-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.02em;
}

/* ─── SECTION BASE ─── */
section {
  padding: var(--section-padding) var(--container-pad);
}

/* ─── PROBLEM ─── */
#problem {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  max-width: var(--container-max);
  margin: 0 auto;
}

.problem-right {
  padding-top: 52px;
}

.problem-items {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.problem-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.problem-item:first-child {
  border-top: 1px solid var(--border);
}

.problem-num {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 0.1em;
  padding-top: 2px;
  min-width: 24px;
}

.problem-text {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.problem-text strong {
  color: var(--text-primary);
  font-weight: 500;
}

/* ─── SERVICES ─── */
#services {
  max-width: var(--container-max);
  margin: 0 auto;
}

.services-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 56px;
  flex-wrap: wrap;
  gap: 24px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-card {
  background: var(--bg-card);
  padding: 36px 32px;
  transition: background var(--transition);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  background: var(--bg-card-hover);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card.span-2 {
  grid-column: span 2;
}

.service-icon {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 18px;
  background: var(--bg-surface);
}

.service-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.service-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 24px;
}

.service-deliverables {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 24px;
}

.service-deliverable {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-deliverable::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--accent-cyan);
  border-radius: 50%;
  flex-shrink: 0;
}

.service-outcome {
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-cyan);
  padding-top: 16px;
  border-top: 1px solid var(--border);
  margin-bottom: 20px;
}

.service-link {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition);
  text-transform: uppercase;
}

.service-link:hover {
  color: var(--accent-cyan);
}

.service-link .arrow {
  transition: transform var(--transition);
}

.service-link:hover .arrow {
  transform: translateX(4px);
}

/* ─── PROOF ─── */
#proof {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.proof-section-inner {
  max-width: var(--container-max);
  margin: 0 auto;
}

.proof-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 56px;
}

.proof-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: border-color var(--transition), background var(--transition);
  position: relative;
  overflow: hidden;
}

.proof-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.proof-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
}

.proof-card:hover::after {
  opacity: 1;
}

.proof-card-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 8px;
}

.proof-card-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.proof-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 28px;
}

.proof-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.proof-stat-item {
  padding: 16px;
  background: rgba(0, 216, 255, 0.04);
  border: 1px solid rgba(0, 216, 255, 0.1);
  border-radius: var(--radius-sm);
}

.proof-stat-num {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--accent-cyan);
  letter-spacing: -0.02em;
  margin-bottom: 2px;
}

.proof-stat-desc {
  font-size: 11px;
  color: var(--text-muted);
}

/* ─── PROCESS ─── */
#process {
  max-width: var(--container-max);
  margin: 0 auto;
}

.process-header {
  max-width: 560px;
  margin-bottom: 64px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), var(--border), var(--border), transparent);
  z-index: 0;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 12px;
  position: relative;
  z-index: 1;
}

.step-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-base);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 0.05em;
  transition: border-color var(--transition), background var(--transition);
}

.process-step:hover .step-circle {
  border-color: var(--accent-cyan);
  background: var(--accent-cyan-glow);
}

.step-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.step-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ─── ABOUT ─── */
#about {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
  max-width: var(--container-max);
  margin: 0 auto;
}

.about-left {
  position: relative;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.about-tag {
  display: inline-flex;
  padding: 4px 12px;
  background: var(--accent-cyan-dim);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-cyan);
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.about-card-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.about-card-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

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

.timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 13px;
  color: var(--text-secondary);
}

.timeline-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
  margin-top: 5px;
  flex-shrink: 0;
}

.about-right .section-title {
  max-width: 480px;
}

.about-right .section-sub {
  margin-bottom: 32px;
}

.about-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
}

.skill-tag {
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 12px;
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-weight: 500;
  transition: var(--transition);
}

.skill-tag:hover {
  border-color: var(--border-accent);
  color: var(--accent-cyan);
  background: var(--accent-cyan-glow);
}

/* ─── FUTURE PRODUCTS ─── */
#products {
  max-width: var(--container-max);
  margin: 0 auto;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 52px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: border-color var(--transition), background var(--transition);
}

.product-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
}

.product-icon {
  font-size: 22px;
  margin-bottom: 16px;
}

.product-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.product-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.product-badge {
  display: inline-flex;
  margin-top: 16px;
  padding: 3px 10px;
  background: rgba(255, 180, 0, 0.08);
  border: 1px solid rgba(255, 180, 0, 0.2);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  color: #FFB400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ─── FINAL CTA ─── */
#cta {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}

.cta-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.cta-glow {
  width: 400px;
  height: 200px;
  background: radial-gradient(ellipse, rgba(0, 216, 255, 0.08) 0%, transparent 70%);
  margin-bottom: -60px;
  pointer-events: none;
}

#cta .section-title {
  font-size: clamp(32px, 4.5vw, 58px);
  max-width: 680px;
  margin-bottom: 20px;
}

#cta .section-sub {
  margin: 0 auto 44px;
  text-align: center;
}

.cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ─── FOOTER ─── */
footer {
  border-top: 1px solid var(--border);
  padding: 56px var(--container-pad) 40px;
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}

.footer-brand .nav-logo {
  font-size: 16px;
  margin-bottom: 14px;
  display: block;
}

.footer-tagline {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 240px;
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--text-primary); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 12px;
  color: var(--text-muted);
}

.footer-domain {
  font-size: 12px;
  color: var(--text-muted);
}

/* ─── FAQ ─── */
#faq {
  max-width: var(--container-max);
  margin: 0 auto;
}

.faq-list {
  margin-top: 52px;
  max-width: 740px;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  gap: 20px;
  transition: color var(--transition);
}

.faq-question:hover { color: var(--accent-cyan); }

.faq-icon {
  width: 20px;
  height: 20px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
  font-size: 14px;
  color: var(--text-muted);
}

.faq-item.open .faq-icon {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer-inner {
  padding-bottom: 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ─── ANIMATIONS ─── */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

  .service-card.span-2 {
    grid-column: span 1;
  }

  .process-steps {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 40px;
  }

  .process-steps::before { display: none; }

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

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: clamp(60px, 8vw, 100px);
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

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

  .problem-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .problem-right {
    padding-top: 0;
  }

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

  .proof-cards {
    grid-template-columns: 1fr;
  }

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

  .process-steps {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .process-step {
    flex-direction: row;
    text-align: left;
    align-items: flex-start;
    padding: 0;
  }

  .step-circle {
    margin-bottom: 0;
    margin-right: 20px;
    flex-shrink: 0;
  }

  .about-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

  .services-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero-proof {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .proof-stats {
    grid-template-columns: 1fr;
  }
}