/* ============================================
   Axable.co.kr — Dark Editorial / Tech-Noir
   Typography: Instrument Serif + Satoshi
   Accent: Teal #4DD2A7 on dark
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Noto+Serif+KR:wght@400;700&family=Playfair+Display:wght@400;700&display=swap');
@import url('https://api.fontshare.com/v2/css?f[]=satoshi@400,500,700,900&display=swap');

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

:root {
  --accent: #4DD2A7;
  --accent-dim: rgba(77, 210, 167, 0.6);
  --accent-glow: rgba(77, 210, 167, 0.15);
  --accent-subtle: rgba(77, 210, 167, 0.08);

  --dark-900: #07090E;
  --dark-800: #0C1018;
  --dark-700: #111723;
  --dark-600: #1A2233;
  --dark-500: #243044;
  --dark-border: rgba(255, 255, 255, 0.06);
  --dark-border-accent: rgba(77, 210, 167, 0.12);

  --white: #FFFFFF;
  --white-90: rgba(255, 255, 255, 0.92);
  --white-70: rgba(255, 255, 255, 0.7);
  --white-50: rgba(255, 255, 255, 0.5);
  --white-30: rgba(255, 255, 255, 0.3);
  --white-10: rgba(255, 255, 255, 0.1);
  --white-05: rgba(255, 255, 255, 0.04);

  --font-display: 'Instrument Serif', 'Noto Serif KR', Georgia, serif;
  --font-body: 'Satoshi', -apple-system, sans-serif;

  --container: 1200px;
  --gutter: 24px;
}

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--white-70);
  background: var(--dark-900);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ========== ANNOUNCEMENT BANNER ========== */
.announcement {
  background: var(--accent);
  color: var(--dark-900);
  text-align: center;
  padding: 10px var(--gutter);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  position: relative;
  z-index: 1001;
}

.announcement a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ========== NAVIGATION ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(7, 9, 14, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--dark-border);
}

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

.logo {
  font-family: var(--font-body);
  font-size: 22px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -0.04em;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--white-50);
  transition: color 0.2s;
}

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

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switch {
  font-size: 13px;
  font-weight: 600;
  color: var(--white-50);
  padding: 6px 14px;
  border: 1px solid var(--white-10);
  border-radius: 100px;
  transition: all 0.2s;
}

.lang-switch:hover {
  color: var(--white);
  border-color: var(--white-30);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.btn-accent {
  font-size: 14px;
  padding: 12px 28px;
  background: var(--accent);
  color: var(--dark-900);
  border-radius: 100px;
}

.btn-accent:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(77, 210, 167, 0.3);
}

.btn-outline {
  font-size: 14px;
  padding: 12px 28px;
  background: transparent;
  color: var(--white-70);
  border: 1px solid var(--white-10);
  border-radius: 100px;
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-ghost {
  font-size: 14px;
  padding: 12px 0;
  background: none;
  color: var(--accent);
}

.btn-ghost::after {
  content: '→';
  transition: transform 0.2s;
}

.btn-ghost:hover::after {
  transform: translateX(4px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--white);
  transition: all 0.3s;
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 72px;
}

.hero-video {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, var(--dark-900) 0%, transparent 30%),
    linear-gradient(180deg, transparent 50%, var(--dark-900) 100%),
    radial-gradient(ellipse 80% 60% at 30% 50%, rgba(77, 210, 167, 0.06) 0%, transparent 60%);
  z-index: 1;
}

.hero-noise {
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  min-height: calc(100vh - 72px);
}

.hero-content {
  padding: 80px 0;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(77, 210, 167, 0.4); }
  50% { opacity: 0.6; box-shadow: 0 0 0 6px rgba(77, 210, 167, 0); }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 76px);
  font-weight: 400;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
  word-break: keep-all;
}

.hero h1 .ai-text {
  font-family: 'Playfair Display', Georgia, serif;
  letter-spacing: 0.02em;
  margin-left: 0.05em;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero-desc {
  font-size: 17px;
  color: var(--white-50);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 440px;
}

.hero-buttons {
  display: flex;
  gap: 12px;
}

/* Hero right: stats column */
.hero-stats {
  display: flex;
  flex-direction: column;
  gap: 1px;
  justify-self: end;
  width: 100%;
  max-width: 380px;
}

.hero-stat {
  padding: 32px 0;
  border-top: 1px solid var(--white-10);
}

.hero-stat:last-child {
  border-bottom: 1px solid var(--white-10);
}

.hero-stat-number {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 400;
  color: var(--white);
  line-height: 1;
  margin-bottom: 8px;
}

.hero-stat-number span {
  color: var(--accent);
  font-size: 32px;
}

.hero-stat-label {
  font-size: 14px;
  color: var(--white-30);
  font-weight: 500;
}

/* ========== PARTNER STRIP ========== */
.partners {
  padding: 40px 0;
  border-top: 1px solid var(--dark-border);
  border-bottom: 1px solid var(--dark-border);
  background: var(--dark-900);
}

.partners-inner {
  display: flex;
  align-items: center;
  gap: 56px;
}

.partners-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--white-30);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
  flex-shrink: 0;
}

.partners-logos {
  display: flex;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}

.partners-logos span {
  font-size: 15px;
  font-weight: 700;
  color: var(--white-30);
  letter-spacing: 0.02em;
  transition: color 0.3s;
  white-space: nowrap;
}

.partners-logos span:hover {
  color: var(--white-50);
}

/* ========== ABOUT / INTRO ========== */
.about {
  padding: 140px 0;
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 100px;
  align-items: start;
}

.about-left .section-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.about-left h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 400;
  line-height: 1.15;
  color: var(--white);
  letter-spacing: -0.02em;
}

.about-left h2 em {
  font-style: italic;
  color: var(--accent);
}

.about-right {
  padding-top: 16px;
}

.about-right p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--white-50);
  margin-bottom: 24px;
}

.about-right p strong {
  color: var(--white-70);
  font-weight: 600;
}

.divider-line {
  width: 40px;
  height: 1px;
  background: var(--accent);
  margin: 32px 0;
}

/* ========== PROBLEMS (horizontal scroll cards) ========== */
.problems {
  padding: 120px 0;
  background: var(--dark-800);
  border-top: 1px solid var(--dark-border);
  border-bottom: 1px solid var(--dark-border);
}

.problems-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin-bottom: 64px;
}

.problems-header-left .section-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.problems-header-left h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 3.5vw, 44px);
  font-weight: 400;
  color: var(--white);
  letter-spacing: -0.02em;
}

.problems-header-right {
  font-size: 15px;
  color: var(--white-30);
  max-width: 360px;
  text-align: right;
  line-height: 1.6;
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--dark-border);
}

.problem-card {
  background: var(--dark-800);
  padding: 48px 36px;
  position: relative;
  transition: all 0.4s ease;
}

.problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.4s ease;
}

.problem-card:hover::before {
  width: 100%;
}

.problem-card:hover {
  background: var(--dark-700);
}

.problem-number {
  font-family: var(--font-display);
  font-size: 64px;
  color: var(--white-05);
  line-height: 1;
  margin-bottom: 24px;
  font-style: italic;
}

.problem-card h3 {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 700;
  color: var(--white-90);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.problem-card p {
  font-size: 14px;
  color: var(--white-30);
  line-height: 1.7;
}

/* ========== SERVICES ========== */
.services {
  padding: 140px 0;
}

.services-header {
  text-align: center;
  margin-bottom: 80px;
}

.services-header .section-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.services-header h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 3.5vw, 44px);
  font-weight: 400;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.services-header p {
  font-size: 17px;
  color: var(--white-30);
  max-width: 520px;
  margin: 0 auto;
}

.services-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--dark-border);
  border-radius: 16px;
  overflow: hidden;
}

.service-card {
  padding: 56px 48px;
  position: relative;
  transition: background 0.4s;
}

.service-card:first-child {
  border-right: 1px solid var(--dark-border);
}

.service-card:hover {
  background: var(--dark-800);
}

.service-phase {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dark-900);
  background: var(--accent);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.service-card > p {
  font-size: 15px;
  color: var(--white-30);
  line-height: 1.7;
  margin-bottom: 32px;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.service-list li {
  font-size: 14px;
  color: var(--white-50);
  display: flex;
  align-items: center;
  gap: 12px;
}

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

/* ========== METHODOLOGY ========== */
.methodology {
  padding: 140px 0;
  background: var(--dark-800);
  border-top: 1px solid var(--dark-border);
  border-bottom: 1px solid var(--dark-border);
  position: relative;
  overflow: hidden;
}

.methodology::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(77, 210, 167, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.methodology-header {
  margin-bottom: 80px;
}

.methodology-header .section-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.methodology-header h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 3.5vw, 44px);
  font-weight: 400;
  color: var(--white);
  letter-spacing: -0.02em;
}

.method-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.method-timeline::before {
  content: '';
  position: absolute;
  left: 32px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--accent), var(--dark-border));
}

.method-step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 48px;
  padding: 40px 0;
  border-bottom: 1px solid var(--dark-border);
  position: relative;
}

.method-step:last-child {
  border-bottom: none;
}

.method-marker {
  width: 64px;
  display: flex;
  justify-content: center;
  padding-top: 4px;
}

.method-marker-dot {
  width: 12px;
  height: 12px;
  background: var(--dark-800);
  border: 2px solid var(--accent);
  border-radius: 50%;
  position: relative;
  z-index: 1;
}

.method-step:hover .method-marker-dot {
  background: var(--accent);
  box-shadow: 0 0 16px rgba(77, 210, 167, 0.3);
}

.method-body h3 {
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: 700;
  color: var(--white-90);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.method-body .step-num {
  font-family: var(--font-display);
  font-size: 14px;
  font-style: italic;
  color: var(--accent-dim);
  margin-bottom: 12px;
}

.method-body p {
  font-size: 15px;
  color: var(--white-30);
  line-height: 1.7;
  max-width: 560px;
}

/* ========== TEAM ========== */
.team {
  padding: 140px 0;
}

.team-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin-bottom: 64px;
}

.team-header-left .section-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.team-header-left h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 3.5vw, 44px);
  font-weight: 400;
  color: var(--white);
  letter-spacing: -0.02em;
}

.team-header-right p {
  font-size: 15px;
  color: var(--white-30);
  max-width: 360px;
  text-align: right;
  line-height: 1.6;
}

.team-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.team-card {
  border: 1px solid var(--dark-border);
  border-radius: 16px;
  padding: 48px 40px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.team-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top right, var(--accent-subtle), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s;
}

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

.team-card:hover {
  border-color: var(--dark-border-accent);
}

.team-card > * {
  position: relative;
  z-index: 1;
}

.team-name {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 4px;
}

.team-role {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.team-credentials {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-bottom: 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--dark-border);
}

.team-credentials li {
  font-size: 13px;
  color: var(--white-50);
  padding-left: 16px;
  position: relative;
}

.team-credentials li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
}

.team-expertise {
  font-size: 13px;
  color: var(--white-30);
  line-height: 1.7;
}

.team-expertise strong {
  color: var(--white-50);
  font-weight: 600;
}

/* ========== CONTACT CTA ========== */
.contact {
  padding: 140px 0;
  background: var(--dark-800);
  border-top: 1px solid var(--dark-border);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(77, 210, 167, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.contact-content {
  position: relative;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.contact-content h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 400;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.contact-content h2 em {
  font-style: italic;
  color: var(--accent);
}

.contact-content > p {
  font-size: 17px;
  color: var(--white-30);
  margin-bottom: 48px;
  line-height: 1.7;
}

.form-container {
  max-width: 560px;
  margin: 0 auto;
}

.form-container iframe {
  border: none;
  width: 100%;
  border-radius: 12px;
}

/* ========== FOOTER ========== */
.footer {
  background: var(--dark-900);
  padding: 64px 0 40px;
  border-top: 1px solid var(--dark-border);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--white-30);
  line-height: 1.6;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white-50);
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--white-30);
  padding: 4px 0;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--dark-border);
}

.footer-copy {
  font-size: 13px;
  color: var(--white-30);
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-size: 13px;
  color: var(--white-30);
  transition: color 0.2s;
}

.footer-legal a:hover {
  color: var(--white-50);
}

/* ========== SCROLL ANIMATIONS ========== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

/* stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.05s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.25s; opacity: 1; transform: translateY(0); }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--dark-border);
    max-width: 100%;
    justify-self: stretch;
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    overflow: hidden;
  }

  .hero-stat {
    border: none;
    padding: 24px;
    background: var(--dark-900);
    text-align: center;
  }

  .hero-stat-number {
    font-size: 40px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .problems-header {
    flex-direction: column;
    align-items: start;
    gap: 16px;
  }

  .problems-header-right {
    text-align: left;
  }

  .team-header {
    flex-direction: column;
    align-items: start;
    gap: 16px;
  }

  .team-header-right p {
    text-align: left;
  }

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(7, 9, 14, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    z-index: 999;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    font-size: 18px;
    color: var(--white-70);
  }

  .hamburger {
    display: flex;
  }

  .nav-cta-desktop {
    display: none;
  }

  .hero h1 {
    font-size: 36px;
  }


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

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

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

  .service-card:first-child {
    border-right: none;
    border-bottom: 1px solid var(--dark-border);
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .service-card {
    padding: 40px 28px;
  }

  .team-card {
    padding: 36px 28px;
  }
}

@media (max-width: 480px) {
  .hero-content { padding: 40px 0; }
  .hero-stat-number { font-size: 32px; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .problem-card { padding: 32px 24px; }
  .method-step { grid-template-columns: 40px 1fr; gap: 24px; }
  .method-timeline::before { left: 20px; }
}