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

:root {
  --navy: #0A1628;
  --navy-light: #132038;
  --mint: #4ADE80;
  --mint-dark: #22C55E;
  --mint-pale: #DCFCE7;
  --mint-bg: #F0FDF4;
  --white: #FFFFFF;
  --off-white: #F8FAFC;
  --gray-50: #F1F5F9;
  --gray-100: #E2E8F0;
  --gray-200: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 1px 3px rgba(10,22,40,0.06), 0 1px 2px rgba(10,22,40,0.04);
  --shadow-md: 0 4px 16px rgba(10,22,40,0.08), 0 2px 6px rgba(10,22,40,0.04);
  --shadow-lg: 0 12px 40px rgba(10,22,40,0.12), 0 4px 12px rgba(10,22,40,0.06);
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
  transition: box-shadow 0.3s ease;
}

.nav.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--navy);
  font-weight: 400;
}

.logo-text {
  letter-spacing: -0.01em;
}

.logo-light { color: var(--white); }

.logo-icon { flex-shrink: 0; }

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

.nav-menu a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: color 0.2s;
  position: relative;
}

.nav-menu a:hover {
  color: var(--navy);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-lg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-mint {
  background: var(--mint);
  color: var(--navy);
  border-color: var(--mint);
}

.btn-mint:hover {
  background: var(--mint-dark);
  border-color: var(--mint-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(74,222,128,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
}

.btn-white:hover {
  background: var(--gray-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.85rem;
  border-radius: var(--radius-md);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
  border-radius: var(--radius-xl);
}

.btn-full {
  width: 100%;
}

/* ===== HERO ===== */
.hero {
  padding-top: 72px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--off-white) 0%, var(--mint-bg) 50%, var(--white) 100%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 60px 0;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.hero-content {
  max-width: 520px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-xl);
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-600);
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.hero-badge svg {
  color: var(--mint-dark);
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  line-height: 1.08;
  color: var(--navy);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-headline .accent {
  color: var(--mint-dark);
  position: relative;
}

.hero-headline .accent::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--mint-pale);
  border-radius: 3px;
  z-index: -1;
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 440px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--navy);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--gray-400);
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--gray-200);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: flex-end;
}

.hero-img-stack {
  position: relative;
  width: 100%;
  max-width: 520px;
}

.hero-img {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-img-main {
  width: 100%;
  aspect-ratio: 520/640;
}

.hero-img-float {
  position: absolute;
  bottom: -20px;
  left: -30px;
  width: 280px;
  aspect-ratio: 280/200;
  border: 5px solid var(--white);
  box-shadow: var(--shadow-md);
}

.hero-tag {
  position: absolute;
  top: -16px;
  right: -16px;
  background: var(--navy);
  color: var(--white);
  padding: 10px 18px;
  border-radius: var(--radius-lg);
  font-size: 0.82rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-md);
}

.hero-tag svg {
  color: var(--mint);
}

/* ===== SECTION COMMON ===== */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--mint-dark);
  background: var(--mint-pale);
  padding: 6px 16px;
  border-radius: var(--radius-xl);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  color: var(--navy);
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ===== SERVICES ===== */
.services {
  padding: 100px 0;
  background: var(--white);
}

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

.service-card {
  background: var(--off-white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--mint);
  background: var(--white);
}

.service-icon {
  width: 56px;
  height: 56px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.service-card:hover .service-icon {
  background: var(--mint-pale);
  border-color: var(--mint);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--navy);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--gray-500);
  line-height: 1.65;
}

/* ===== ABOUT ===== */
.about {
  padding: 100px 0;
  background: var(--off-white);
}

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

.about-visual {
  position: relative;
}

.about-img-main {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 500/400;
}

.about-img-accent {
  position: absolute;
  bottom: -30px;
  right: -20px;
  width: 220px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 5px solid var(--white);
  box-shadow: var(--shadow-md);
  aspect-ratio: 220/280;
}

.about-content .section-tag {
  margin-bottom: 16px;
}

.about-content .section-title {
  text-align: left;
  margin-bottom: 20px;
}

.about-content > p {
  color: var(--gray-500);
  line-height: 1.75;
  margin-bottom: 16px;
  font-size: 1rem;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 32px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--gray-700);
}

.about-feature svg {
  flex-shrink: 0;
}

/* ===== WORK ===== */
.work {
  padding: 100px 0;
  background: var(--white);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: auto auto;
  gap: 20px;
}

.work-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
}

.work-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.work-item:hover img {
  transform: scale(1.05);
}

.work-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,22,40,0.7) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.work-item:hover .work-overlay {
  opacity: 1;
}

.work-overlay span {
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.work-item--wide {
  grid-column: 1 / 8;
  aspect-ratio: 700/400;
}

.work-item:nth-child(2) {
  grid-column: 8 / 13;
  aspect-ratio: 340/400;
}

.work-item:nth-child(3) {
  grid-column: 8 / 13;
  aspect-ratio: 340/400;
  margin-top: -20px;
}

.work-item:nth-child(4) {
  grid-column: 1 / 7;
  aspect-ratio: 340/300;
}

.work-item:nth-child(5) {
  grid-column: 7 / 13;
  aspect-ratio: 340/300;
}

/* ===== CTA BANNER ===== */
.cta-banner {
  padding: 80px 0;
  background: var(--navy);
  overflow: hidden;
  position: relative;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(74,222,128,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cta-text {
  flex: 1;
  max-width: 520px;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.cta-sub {
  font-size: 1.05rem;
  color: var(--gray-400);
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  gap: 14px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* ===== CONTACT ===== */
.contact {
  padding: 100px 0;
  background: var(--off-white);
}

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

.contact-info .section-tag {
  margin-bottom: 16px;
}

.contact-info .section-title {
  text-align: left;
  margin-bottom: 16px;
}

.contact-desc {
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 36px;
  font-size: 1rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-400);
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-item p,
.contact-item a {
  font-size: 1rem;
  color: var(--gray-700);
  line-height: 1.6;
}

.contact-item a:hover {
  color: var(--mint-dark);
}

.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.form-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--navy);
  margin-bottom: 28px;
  letter-spacing: -0.01em;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--gray-700);
  background: var(--off-white);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--mint-dark);
  box-shadow: 0 0 0 3px rgba(34,197,94,0.15);
  background: var(--white);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-success {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--mint-pale);
  border-radius: var(--radius-md);
  color: #065F46;
  font-weight: 500;
  font-size: 0.95rem;
}

.form-success svg {
  flex-shrink: 0;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--navy);
  color: var(--gray-400);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.92rem;
  line-height: 1.7;
  max-width: 280px;
}

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

.footer-links strong,
.footer-contact strong {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-200);
  font-weight: 600;
  margin-bottom: 4px;
}

.footer-links a {
  font-size: 0.92rem;
  color: var(--gray-400);
  transition: color 0.2s;
}

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

.footer-contact p {
  font-size: 0.92rem;
  line-height: 1.8;
}

.footer-contact a {
  color: var(--gray-400);
  transition: color 0.2s;
}

.footer-contact a:hover {
  color: var(--mint);
}

.footer-bottom {
  border-top: 1px solid var(--navy-light);
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* ===== MOBILE MENU ===== */
.nav-menu.open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
  padding: 24px;
  gap: 20px;
  box-shadow: var(--shadow-md);
}

.nav-menu.open a {
  font-size: 1rem;
  padding: 8px 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-grid {
    gap: 40px;
  }
  .hero-img-float {
    left: -10px;
    width: 220px;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .work-item--wide {
    grid-column: 1 / 13;
    aspect-ratio: 16/9;
  }
  .work-item:nth-child(2),
  .work-item:nth-child(3) {
    grid-column: span 6;
    margin-top: 0;
  }
  .work-item:nth-child(4) {
    grid-column: span 6;
  }
  .work-item:nth-child(5) {
    grid-column: span 6;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    padding-top: 40px;
    padding-bottom: 40px;
  }
  .hero-content {
    max-width: 100%;
    text-align: center;
  }
  .hero-sub {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }
  .hero-ctas {
    justify-content: center;
  }
  .hero-stats {
    justify-content: center;
  }
  .hero-visual {
    order: -1;
    max-width: 400px;
    margin: 0 auto;
  }
  .hero-img-float {
    width: 180px;
    left: -10px;
    bottom: -10px;
  }
  .hero-tag {
    top: -10px;
    right: -10px;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-visual {
    max-width: 440px;
    margin: 0 auto;
  }
  .about-content .section-title {
    text-align: center;
  }
  .about-content .section-tag {
    display: block;
    text-align: center;
  }
  .about-content > p {
    text-align: center;
  }
  .about-features {
    grid-template-columns: 1fr;
  }
  .work-grid {
    grid-template-columns: 1fr;
  }
  .work-item--wide,
  .work-item:nth-child(2),
  .work-item:nth-child(3),
  .work-item:nth-child(4),
  .work-item:nth-child(5) {
    grid-column: 1 / -1;
    aspect-ratio: 4/3;
  }
  .work-item:nth-child(3) {
    margin-top: 0;
  }
  .cta-inner {
    flex-direction: column;
    text-align: center;
  }
  .cta-text {
    max-width: 100%;
  }
  .cta-actions {
    justify-content: center;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .contact-info .section-title {
    text-align: center;
  }
  .contact-info .section-tag {
    display: block;
    text-align: center;
  }
  .contact-desc {
    text-align: center;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 480px) {
  .hero-headline {
    font-size: 2.4rem;
  }
  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }
  .hero-ctas .btn {
    width: 100%;
  }
  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }
  .stat-divider {
    width: 40px;
    height: 1px;
  }
  .contact-form-wrap {
    padding: 24px;
  }
  .btn-lg {
    padding: 14px 28px;
    font-size: 0.95rem;
  }
}

/* ===== ANIMATIONS ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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