:root {
  --bg: #111214;
  --bg-2: #181a1f;
  --panel: #1d2026;
  --text: #f3f0ea;
  --muted: #9b968c;
  --accent: #ff7a18;
  --accent-soft: rgba(255, 122, 24, 0.14);
  --line: rgba(243, 240, 234, 0.1);
  --font: "Noto Sans SC", system-ui, sans-serif;
  --display: "Outfit", "Noto Sans SC", sans-serif;
  --header: 68px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul,
dl {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--display);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

p {
  margin: 0;
}

.wrap {
  width: min(1100px, calc(100% - 40px));
  margin-inline: auto;
}

.eyebrow {
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.section-head {
  max-width: 520px;
  margin-bottom: 40px;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 12px;
}

.section-head p {
  color: var(--muted);
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  height: var(--header);
  border-bottom: 1px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease;
}

.site-header.is-scrolled {
  background: rgba(17, 18, 20, 0.92);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--line);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
  z-index: 2;
}

.brand em {
  font-style: normal;
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(243, 240, 234, 0.62);
  margin-left: 2px;
}

.brand img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  mix-blend-mode: screen;
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  position: relative;
  padding: 8px 12px;
  color: rgba(243, 240, 234, 0.72);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 4px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.site-nav a:not(.nav-cta):hover,
.site-nav a:not(.nav-cta).is-active {
  color: var(--text);
}

.site-nav a:not(.nav-cta):hover::after,
.site-nav a:not(.nav-cta).is-active::after {
  transform: scaleX(1);
}

.nav-cta {
  margin-left: 8px;
  padding: 8px 16px !important;
  background: var(--accent);
  color: #16130f !important;
  font-weight: 600 !important;
  border: 0;
}

.nav-cta:hover {
  background: #ff8d38;
  color: #16130f !important;
}

.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  width: 42px;
  height: 42px;
  cursor: pointer;
  z-index: 2;
  margin-left: auto;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--text);
  transition: transform 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

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

.btn-primary {
  background: var(--accent);
  color: #16130f;
}

.btn-primary:hover {
  background: #ff8d38;
}

.btn-ghost {
  border-color: rgba(243, 240, 234, 0.28);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: rgba(243, 240, 234, 0.6);
}

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

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding: calc(var(--header) + 28px) 0 64px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 50% at 85% 45%, rgba(255, 122, 24, 0.22), transparent 60%),
    radial-gradient(ellipse 40% 35% at 10% 80%, rgba(46, 196, 182, 0.08), transparent 55%),
    linear-gradient(160deg, #15171b 0%, #111214 55%, #17140f 100%);
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}

.hero-kicker {
  color: var(--accent);
  font-size: 0.9rem;
  margin-bottom: 14px;
  letter-spacing: 0.06em;
}

.hero-copy h1 {
  font-size: clamp(3.2rem, 8vw, 5.8rem);
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: rgba(243, 240, 234, 0.88);
  margin-bottom: 16px;
}

.hero-lead {
  max-width: 32rem;
  color: var(--muted);
  margin-bottom: 28px;
  font-size: 1.02rem;
}

.hero-visual {
  display: grid;
  place-items: center;
  position: relative;
  min-height: 360px;
}

.hero-visual::before {
  content: "";
  position: absolute;
  width: min(420px, 90%);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-soft), transparent 68%);
}

.hero-visual img {
  position: relative;
  width: min(380px, 85%);
  mix-blend-mode: screen;
  animation: float-y 6.5s ease-in-out infinite;
}

@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* About */
.about {
  padding: 88px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 48px;
  align-items: center;
}

.about-visual {
  background: #f6f3ee;
  min-height: 380px;
  display: grid;
  place-items: center;
  padding: 24px;
}

.about-visual img {
  width: min(100%, 420px);
  object-fit: contain;
}

.about-copy h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  margin-bottom: 16px;
}

.about-copy > p {
  color: var(--muted);
  margin-bottom: 24px;
}

.about-meta {
  border-top: 1px solid var(--line);
  padding-top: 20px;
  display: grid;
  gap: 16px;
}

.about-meta div {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 12px;
}

.about-meta dt {
  color: var(--accent);
  font-size: 0.88rem;
}

.about-meta dd {
  margin: 0;
}

/* Services */
.services {
  padding: 20px 0 88px;
}

.service-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-list li {
  background: var(--bg);
  padding: 28px 24px;
  transition: background 0.2s ease;
}

.service-list li:hover {
  background: var(--panel);
}

.service-list span {
  display: block;
  color: var(--accent);
  font-family: var(--display);
  font-weight: 600;
  margin-bottom: 12px;
}

.service-list h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.service-list p {
  color: var(--muted);
}

.service-list a {
  display: inline-block;
  margin-top: 14px;
  color: var(--accent);
  font-weight: 500;
}

.service-list a:hover {
  text-decoration: underline;
}

/* Platform */
.platform {
  padding: 0 0 88px;
}

.platform-box {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: center;
  padding: 48px 40px;
  background:
    radial-gradient(ellipse at 90% 50%, rgba(255, 122, 24, 0.18), transparent 45%),
    var(--panel);
  border: 1px solid var(--line);
}

.platform-copy h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 12px;
}

.platform-copy > p {
  color: var(--muted);
  margin-bottom: 24px;
  max-width: 34rem;
}

.platform-visual {
  display: grid;
  place-items: center;
}

.platform-visual img {
  width: min(240px, 70%);
  mix-blend-mode: screen;
  opacity: 0.9;
}

/* Contact */
.contact {
  padding: 20px 0 96px;
}

.contact-list {
  border-top: 1px solid var(--line);
}

.contact-list li {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.contact-list span {
  color: var(--muted);
  padding-top: 6px;
}

.contact-list a,
.contact-list strong {
  font-family: var(--display);
  font-size: clamp(1.15rem, 2.2vw, 1.55rem);
  font-weight: 600;
}

.contact-list a:hover {
  color: var(--accent);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: #0d0e10;
  padding: 40px 0 24px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  margin-bottom: 28px;
}

.footer-brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.footer-brand img {
  width: 36px;
  height: 36px;
  mix-blend-mode: screen;
}

.footer-brand strong {
  display: block;
  font-family: var(--display);
}

.footer-brand p {
  color: var(--muted);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.92rem;
}

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

.footer-legal {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  color: var(--muted);
  font-size: 0.8rem;
  display: grid;
  gap: 8px;
}

.footer-legal a {
  color: var(--muted);
}

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

.footer-legal span {
  margin: 0 8px;
  opacity: 0.45;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .hero-layout,
  .about-grid,
  .platform-box,
  .service-list {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
    min-height: 240px;
  }

  .hero-visual img {
    width: min(240px, 58%);
  }

  .platform-box {
    padding: 32px 24px;
  }

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

@media (max-width: 760px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    background: rgba(13, 14, 16, 0.97);
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    font-size: 1.15rem;
    padding: 12px 18px;
  }

  .site-nav a:not(.nav-cta)::after {
    display: none;
  }

  .nav-cta {
    margin-left: 0 !important;
    margin-top: 12px;
  }

  .hero-copy h1 {
    font-size: clamp(2.8rem, 16vw, 4rem);
  }

  .about-meta div,
  .contact-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .footer-legal span {
    display: none;
  }

  .footer-legal p:last-child {
    display: grid;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-visual img,
  .reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}