:root {
  --c-primary: #0d9488;
  --c-primary-dark: #0f766e;
  --c-secondary: #14b8a6;
  --c-cta: #f97316;
  --c-bg: #f0fdfa;
  --c-bg-soft: #e6fffb;
  --c-text: #134e4a;
  --c-text-strong: #042f2e;
  --c-surface: #ffffff;
  --c-border: #99f6e4;
  --c-ring: #0ea5e9;
  --shadow-soft: 0 14px 30px rgba(4, 47, 46, 0.08);
  --shadow-strong: 0 18px 40px rgba(15, 118, 110, 0.22);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  color: var(--c-text);
  background:
    radial-gradient(circle at 10% 0%, rgba(20, 184, 166, 0.22), transparent 44%),
    radial-gradient(circle at 90% 15%, rgba(249, 115, 22, 0.12), transparent 42%),
    linear-gradient(180deg, #fcfffe 0%, #f7fffd 48%, #f0fdfa 100%);
  line-height: 1.65;
  min-width: 320px;
}

h1,
h2,
h3,
.brand-text,
.btn {
  font-family: 'Plus Jakarta Sans', 'Noto Sans SC', sans-serif;
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--c-text-strong);
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
  z-index: 999;
}

.skip-link:focus {
  top: 12px;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.section {
  padding: 76px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(13, 148, 136, 0.15);
  background: rgba(255, 255, 255, 0.78);
}

.nav-wrap {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--c-primary), var(--c-secondary));
  color: #fff;
  box-shadow: var(--shadow-soft);
}

.brand-text {
  letter-spacing: 0.01em;
  font-size: 15px;
  color: var(--c-text-strong);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.main-nav a {
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  color: #0f766e;
  padding: 8px 10px;
  border-radius: 8px;
  transition: background-color 200ms ease, color 200ms ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  background: rgba(45, 212, 191, 0.2);
  color: var(--c-text-strong);
  outline: none;
}

.nav-cta {
  color: #fff !important;
  background: linear-gradient(145deg, var(--c-primary), var(--c-primary-dark));
}

.menu-toggle {
  width: 44px;
  height: 44px;
  display: none;
  background: var(--c-surface);
  border: 1px solid rgba(13, 148, 136, 0.35);
  border-radius: 12px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--c-text-strong);
}

.hero {
  padding-top: 42px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 30px;
  align-items: stretch;
}

.eyebrow {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #0f766e;
}

.hero h1 {
  margin: 12px 0 14px;
  font-size: clamp(32px, 5.2vw, 56px);
  line-height: 1.1;
  color: var(--c-text-strong);
}

.lead {
  margin: 0;
  max-width: 58ch;
  font-size: 18px;
  color: #115e59;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 0;
  text-decoration: none;
  font-size: 15px;
  font-weight: 700;
  padding: 12px 18px;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
}

.btn:focus-visible,
.menu-toggle:focus-visible,
.main-nav a:focus-visible {
  outline: 3px solid var(--c-ring);
  outline-offset: 2px;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(145deg, var(--c-primary), var(--c-primary-dark));
  box-shadow: var(--shadow-strong);
}

.btn-secondary {
  background: #fff;
  color: var(--c-text-strong);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-soft);
}

.trust-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.trust-list li {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(45, 212, 191, 0.35);
  border-radius: 14px;
  padding: 14px;
}

.trust-list strong {
  display: block;
  font-size: 24px;
  color: var(--c-text-strong);
  line-height: 1.1;
}

.trust-list span {
  font-size: 13px;
  color: #0f766e;
}

.hero-card {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(204, 251, 241, 0.62));
  border-radius: 22px;
  padding: 28px;
  border: 1px solid rgba(45, 212, 191, 0.34);
  box-shadow: var(--shadow-soft);
}

.hero-card h2 {
  margin: 0;
  color: var(--c-text-strong);
}

.portfolio-mini {
  margin-top: 18px;
  display: grid;
  gap: 14px;
}

.portfolio-mini-item {
  border-radius: 16px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(45, 212, 191, 0.28);
}

.portfolio-mini-item p {
  margin: 10px 0 0;
  color: #115e59;
}

.mini-badge,
.journey-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(13, 148, 136, 0.12);
  color: var(--c-primary-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mini-badge-accent {
  background: rgba(249, 115, 22, 0.12);
  color: #c2410c;
}

.hero-card-note {
  margin-top: 18px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(13, 148, 136, 0.08);
  color: #115e59;
  font-size: 14px;
}

.section-head h2,
.about-grid h2,
.contact h2 {
  margin: 10px 0;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.2;
  color: var(--c-text-strong);
}

.head-note {
  margin: 0;
  color: #0f766e;
}

.portfolio-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.portfolio-card {
  background: #fff;
  border-radius: 20px;
  border: 1px solid rgba(45, 212, 191, 0.3);
  padding: 24px 22px;
  box-shadow: var(--shadow-soft);
}

.portfolio-card h3,
.feature-panel h3,
.shot-card h3 {
  margin: 0;
  color: var(--c-text-strong);
  font-size: 20px;
}

.portfolio-card p,
.feature-panel p,
.shot-card p,
.about-grid p,
.contact p,
.facts dd {
  margin: 12px 0 0;
  color: #115e59;
}

.portfolio-tags {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.portfolio-tags li {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(20, 184, 166, 0.1);
  color: #0f766e;
  font-size: 13px;
  font-weight: 700;
}

.portfolio-meta {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed rgba(13, 148, 136, 0.25);
}

.portfolio-meta strong {
  display: block;
  color: var(--c-text-strong);
}

.portfolio-meta span {
  display: block;
  margin-top: 6px;
  color: #115e59;
}

.portfolio-download {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed rgba(13, 148, 136, 0.25);
  display: flex;
}

.portfolio-download .btn {
  font-size: 14px;
  padding: 10px 22px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.feature-panel {
  border-radius: 16px;
  padding: 22px;
  background: linear-gradient(140deg, #ffffff 0%, #f0fdfa 100%);
  border: 1px solid rgba(45, 212, 191, 0.3);
}

.showcase-layout {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.showcase-block {
  border-radius: 22px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(45, 212, 191, 0.28);
  box-shadow: var(--shadow-soft);
  height: 100%;
}

.showcase-head h3 {
  margin: 10px 0 0;
  font-size: 28px;
  line-height: 1.2;
  color: var(--c-text-strong);
}

.showcase-head p:last-child {
  margin: 10px 0 0;
  color: #115e59;
}

.shot-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.shot-card {
  min-height: 280px;
  border-radius: 20px;
  padding: 14px 14px 18px;
  border: 1px solid rgba(45, 212, 191, 0.35);
  background: linear-gradient(180deg, #ffffff, #f0fdfa);
  box-shadow: var(--shadow-soft);
}

.shot-card img {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 19.5;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid rgba(13, 148, 136, 0.18);
  background: #e6fffa;
}

.shot-card h3 {
  margin-top: 12px;
}

.journey-grid {
  margin-top: 20px;
  display: grid;
  gap: 14px;
}

.journey-card {
  border-radius: 18px;
  padding: 18px;
  background: linear-gradient(180deg, #ffffff 0%, #f7fffd 100%);
  border: 1px solid rgba(45, 212, 191, 0.28);
}

.journey-card h3 {
  margin: 12px 0 0;
  font-size: 20px;
  color: var(--c-text-strong);
}

.journey-card p {
  margin: 10px 0 0;
  color: #115e59;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 24px;
  align-items: start;
}

.facts {
  margin: 0;
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(45, 212, 191, 0.32);
  padding: 18px;
  box-shadow: var(--shadow-soft);
}

.facts div + div {
  border-top: 1px dashed rgba(13, 148, 136, 0.3);
  margin-top: 12px;
  padding-top: 12px;
}

.facts dt {
  color: #0f766e;
  font-weight: 700;
}

.facts dd {
  margin-left: 0;
}

.contact-wrap {
  border-radius: 20px;
  padding: 28px;
  color: #fff;
  background:
    radial-gradient(circle at 20% 15%, rgba(45, 212, 191, 0.22), transparent 40%),
    linear-gradient(145deg, #115e59 0%, #0f766e 45%, #0a534f 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.contact-wrap .eyebrow,
.contact-wrap p {
  color: rgba(255, 255, 255, 0.9);
}

.contact-wrap h2 {
  color: #fff;
}

.contact-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.contact-wrap .btn-primary {
  background: linear-gradient(145deg, #fb923c, var(--c-cta));
}

.contact-wrap .btn-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.08);
}

.site-footer {
  border-top: 1px solid rgba(13, 148, 136, 0.2);
  padding: 24px 0 30px;
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
}

.footer-wrap a {
  color: var(--c-primary-dark);
  text-decoration: none;
  font-weight: 700;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.footer-links a {
  font-weight: 600;
}

.reveal-up {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 360ms ease, transform 360ms ease;
}

.reveal-up.shown {
  opacity: 1;
  transform: translateY(0);
}

.reveal-up.delay-1 {
  transition-delay: 80ms;
}

.reveal-up.delay-2 {
  transition-delay: 140ms;
}

.reveal-up.delay-3 {
  transition-delay: 200ms;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal-up {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .showcase-layout,
  .hero-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(1120px, calc(100% - 26px));
  }

  .section {
    padding: 56px 0;
  }

  .brand-text {
    max-width: 170px;
    line-height: 1.3;
    font-size: 13px;
  }

  .menu-toggle {
    display: inline-block;
  }

  .main-nav {
    position: absolute;
    top: 74px;
    right: 13px;
    left: 13px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 14px;
    border-radius: 14px;
    background: #fff;
    border: 1px solid rgba(13, 148, 136, 0.2);
    box-shadow: var(--shadow-soft);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .hero h1 {
    font-size: 34px;
  }

  .lead {
    font-size: 16px;
  }

  .trust-list {
    grid-template-columns: 1fr;
  }

  .portfolio-grid,
  .feature-grid,
  .shot-grid {
    grid-template-columns: 1fr;
  }

  .showcase-block {
    padding: 18px;
  }

  .showcase-head h3 {
    font-size: 24px;
  }

  .contact-wrap {
    padding: 22px;
  }

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

  .footer-links {
    justify-content: flex-start;
    gap: 10px;
  }
}