:root {
  --bg: #f5f7fa;
  --paper: #ffffff;
  --dark: #0f172a;
  --navy: #153a5b;
  --blue: #1d4ed8;
  --muted: #5b6678;
  --line: #d8dee9;
  --soft: #eaf0f7;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--dark);
  line-height: 1.6;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
}
.container {
  max-width: 1180px;
  margin: 0 auto;
}
.section-tag {
  display: inline-block;
  color: var(--blue);
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
}
.section-title {
  margin: 0 0 18px;
  line-height: 1.15;
  letter-spacing: -0.6px;
}
.vision-quote {
  font-size: 1.08rem;
  color: var(--muted);
  margin-bottom: 30px;
  max-width: 760px;
}
.vision-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.vision-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.05);
}
.vision-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: var(--soft);
  border-radius: 50%;
  color: var(--navy);
  font-size: 20px;
  margin-bottom: 14px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav {
  max-width: 1180px;
  margin: auto;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 800;
  color: var(--navy);
  text-decoration: none;
  letter-spacing: 0.3px;
}

.nav-menu {
  display: flex;
  gap: 20px;
}
.nav-menu a {
  color: var(--dark);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  border: 0;
  background: var(--navy);
  color: white;
  border-radius: 8px;
  padding: 8px 10px;
}

.hero {
  max-width: 1180px;
  margin: auto;
  min-height: 82vh;
  padding: 70px 22px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 50px;
}

.eyebrow,
.section-label {
  display: inline-block;
  color: var(--blue);
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
}

.hero h1,
.section h2 {
  margin: 0 0 20px;
  line-height: 1.1;
  letter-spacing: -0.8px;
}

.hero h1 {
  font-size: clamp(38px, 6vw, 64px);
}
.section h2 {
  font-size: clamp(28px, 4vw, 44px);
}
.hero p,
.section p {
  color: var(--muted);
  font-size: 17px;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  border: 1px solid transparent;
}

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

.hero-photo-card {
  background: var(--paper);
  border-radius: 26px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.hero-photo-card img {
  width: 100%;
  display: block;
  border-radius: 20px;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
}

.photo-caption {
  padding: 16px 8px 4px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
}

.photo-caption strong {
  color: var(--dark);
}

.section {
  max-width: 1180px;
  margin: auto;
  padding: 80px 22px;
}

.two-columns {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
}

.text-block {
  background: white;
  padding: 30px;
  border-radius: 24px;
  border: 1px solid var(--line);
}

.dark {
  max-width: none;
  background: var(--dark);
  color: white;
  padding-left: calc((100vw - 1180px) / 2 + 22px);
  padding-right: calc((100vw - 1180px) / 2 + 22px);
}

.dark h2,
.dark .section-label {
  color: white;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 34px;
}

.metrics article {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 20px;
  padding: 24px;
}

.metrics strong {
  display: block;
  font-size: 38px;
  margin-bottom: 10px;
}

.metrics span {
  color: #d8dee9;
}

.timeline {
  margin-top: 35px;
  border-left: 3px solid var(--navy);
}

.timeline-item {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 26px;
  padding: 0 0 32px 28px;
  position: relative;
}

.timeline-item::before {
  content: "";
  width: 16px;
  height: 16px;
  background: var(--navy);
  border-radius: 50%;
  position: absolute;
  left: -9px;
  top: 5px;
}

.timeline-item time {
  font-weight: 800;
  color: var(--blue);
}

.timeline-item h3,
.timeline-item h4 {
  margin: 0;
}
.timeline-item h4 {
  color: var(--muted);
  font-weight: 700;
}

.accent {
  background: var(--soft);
  border-radius: 36px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.cards article {
  background: white;
  border-radius: 22px;
  padding: 24px;
  border: 1px solid var(--line);
}

.skill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.skill-grid span {
  background: white;
  border: 1px solid var(--line);
  padding: 12px 16px;
  border-radius: 999px;
  font-weight: 800;
  color: var(--navy);
}

.contact {
  text-align: center;
  background: white;
  border-radius: 36px;
  margin-bottom: 60px;
  box-shadow: var(--shadow);
}

.contact .hero-actions {
  justify-content: center;
}

.footer {
  background: var(--dark);
  color: white;
  padding: 24px 22px;
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.55s ease,
    transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .hero {
    gap: 32px;
    padding: 56px 22px;
  }

  .two-columns {
    gap: 40px;
  }
}

@media (max-width: 1024px) {
  .nav {
    padding: 16px 20px;
  }

  .hero,
  .two-columns {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero {
    min-height: unset;
    padding-top: 48px;
  }

  .hero-content {
    order: 2;
  }

  .hero-photo-card {
    order: 1;
    max-width: 380px;
    margin: 0 auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .metrics,
  .cards,
  .vision-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .section {
    padding: 70px 22px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 60px 20px;
  }

  .brand-role {
    display: none;
  }

  .nav {
    padding: 15px 20px;
    position: relative;
  }

  .nav-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 20px;
    right: 20px;
    background: white;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 16px;
    box-shadow: var(--shadow);
    z-index: 20;
  }

  .nav-menu.active {
    display: grid;
    gap: 10px;
  }

  .hero {
    padding: 42px 20px 40px;
    gap: 30px;
  }

  .hero h1 {
    font-size: clamp(2rem, 5vw, 2.5rem);
  }

  .section h2 {
    font-size: clamp(1.7rem, 4vw, 2.2rem);
  }

  .hero p,
  .section p {
    font-size: 16px;
  }

  .hero-photo-card {
    max-width: 320px;
    margin: 0 auto;
  }

  .photo-caption {
    display: block;
    text-align: center;
  }

  .photo-caption strong {
    display: block;
    margin-bottom: 5px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .metrics,
  .cards,
  .vision-grid {
    grid-template-columns: 1fr;
  }

  .timeline {
    border-left: none;
  }

  .timeline-item {
    padding: 22px 18px;
    border: 1px solid var(--line);
    border-radius: 20px;
    margin-bottom: 20px;
    background: #fff;
  }

  .timeline-item::before {
    display: none;
  }

  .skill-grid {
    justify-content: center;
  }

  .contact {
    padding: 48px 24px;
  }

  .contact .btn {
    width: 100%;
    margin-bottom: 15px;
  }

  .footer {
    text-align: center;
    flex-direction: column;
    gap: 10px;
    padding: 24px 20px;
  }
}

@media (max-width: 480px) {
  .nav {
    padding: 12px 16px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .section h2 {
    font-size: 1.55rem;
  }

  .brand-name {
    font-size: 1.1rem;
  }

  .hero-photo-card {
    max-width: 250px;
  }

  .hero-photo-card img {
    border-radius: 16px;
  }

  .btn {
    min-height: 44px;
    padding: 0 18px;
  }

  .text-block,
  .cards article,
  .vision-card {
    padding: 20px;
  }
}