/* ============================================================
   Sinocor GmbH — Global Stylesheet
   ============================================================ */

:root {
  --bg: #06080f;
  --bg-soft: #0a0e1a;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #eef2f9;
  --text-soft: #a7b0c3;
  --text-faint: #6b7488;
  --accent: #38bdf8;
  --accent-2: #818cf8;
  --accent-3: #22d3ee;
  --gradient: linear-gradient(120deg, #38bdf8, #818cf8 55%, #c084fc);
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.7);
  --font: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  color-scheme: dark;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: rgba(56, 189, 248, 0.35); }

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

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

.container {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

/* ---------- Background ornaments ---------- */
.bg-orbs {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}
.bg-orbs::before,
.bg-orbs::after {
  content: "";
  position: absolute;
  width: 720px;
  height: 720px;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.16;
}
.bg-orbs::before {
  background: #2563eb;
  top: -280px;
  left: -180px;
}
.bg-orbs::after {
  background: #7c3aed;
  bottom: -320px;
  right: -200px;
}
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, black 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, black 30%, transparent 78%);
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(6, 8, 15, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.22rem;
  letter-spacing: 0.02em;
}
.brand .logo-mark {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}
.brand span em {
  font-style: normal;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
}
.nav-links a {
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--text-soft);
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--gradient);
  transition: width 0.25s ease;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}
.lang-switch a {
  padding: 4px 12px;
  border-radius: 999px;
  color: var(--text-faint);
  transition: color 0.2s, background 0.2s;
}
.lang-switch a.active {
  background: var(--surface-strong);
  color: var(--text);
}
.lang-switch a:not(.active):hover { color: var(--text); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient);
  color: #05070d;
  box-shadow: 0 12px 34px -12px rgba(56, 189, 248, 0.55);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 44px -12px rgba(56, 189, 248, 0.7);
}
.btn-ghost {
  border-color: var(--border-strong);
  color: var(--text);
  background: var(--surface);
}
.btn-ghost:hover {
  border-color: rgba(56, 189, 248, 0.6);
  transform: translateY(-2px);
}
.btn-sm { padding: 9px 20px; font-size: 0.88rem; }

/* ---------- Hero ---------- */
.hero {
  padding: 190px 0 110px;
  position: relative;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(56, 189, 248, 0.35);
  background: rgba(56, 189, 248, 0.08);
  border-radius: 999px;
  padding: 7px 16px;
  margin-bottom: 26px;
}
.eyebrow .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}
.hero h1 {
  font-size: clamp(2.5rem, 5.4vw, 4.1rem);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.hero h1 .grad {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead {
  font-size: 1.13rem;
  color: var(--text-soft);
  max-width: 34rem;
  margin-bottom: 38px;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-visual { position: relative; }
.hero-visual .glass-panel {
  border: 1px solid var(--border);
  border-radius: 26px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015));
  box-shadow: var(--shadow);
  padding: 20px;
  backdrop-filter: blur(6px);
}
.hero-visual svg { border-radius: 16px; }

/* ---------- Stats strip ---------- */
.stats-strip {
  margin-top: 90px;
  border-block: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.015);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 44px 0;
}
.stat { text-align: center; }
.stat .num {
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat .label {
  font-size: 0.88rem;
  color: var(--text-faint);
  margin-top: 4px;
}

/* ---------- Sections ---------- */
section { padding: 104px 0; }
.section-head {
  max-width: 46rem;
  margin-bottom: 60px;
}
.section-head.center {
  margin-inline: auto;
  text-align: center;
}
.section-head h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.7rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 14px 0 18px;
}
.section-head p {
  color: var(--text-soft);
  font-size: 1.05rem;
}
.kicker {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.01));
  padding: 34px 30px;
  overflow: hidden;
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(56, 189, 248, 0.09), transparent 65%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: var(--shadow);
}
.card:hover::before { opacity: 1; }
.card .icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.28);
  margin-bottom: 22px;
}
.card .icon svg { width: 26px; height: 26px; stroke: var(--accent); }
.card h3 {
  font-size: 1.18rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.card p {
  color: var(--text-soft);
  font-size: 0.95rem;
}
.card .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.card .tags span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-faint);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 11px;
}

/* ---------- About / split ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.split .section-head { margin-bottom: 28px; }
.feature-list { list-style: none; display: grid; gap: 18px; }
.feature-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.feature-list .check {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.4);
  margin-top: 2px;
}
.feature-list .check svg { width: 13px; height: 13px; stroke: var(--accent-3); }
.feature-list b { display: block; font-size: 1rem; }
.feature-list p { color: var(--text-soft); font-size: 0.92rem; }

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  counter-reset: step;
}
.step {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  background: rgba(255, 255, 255, 0.02);
  position: relative;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.step:hover { border-color: rgba(129, 140, 248, 0.45); transform: translateY(-4px); }
.step .n {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--accent-2);
  margin-bottom: 14px;
}
.step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step p { color: var(--text-soft); font-size: 0.9rem; }

/* ---------- Quote band ---------- */
.band {
  border-block: 1px solid var(--border);
  background:
    radial-gradient(900px circle at 15% 0%, rgba(56, 189, 248, 0.09), transparent 55%),
    radial-gradient(900px circle at 85% 100%, rgba(129, 140, 248, 0.09), transparent 55%);
  text-align: center;
}
.band blockquote {
  font-size: clamp(1.25rem, 2.6vw, 1.7rem);
  font-weight: 600;
  line-height: 1.45;
  max-width: 52rem;
  margin-inline: auto;
  letter-spacing: -0.01em;
}
.band cite {
  display: block;
  margin-top: 22px;
  font-style: normal;
  color: var(--text-faint);
  font-size: 0.92rem;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: start;
}
.contact-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012));
  padding: 38px 34px;
}
.contact-card h3 { font-size: 1.15rem; margin-bottom: 22px; }
.contact-rows { display: grid; gap: 20px; }
.contact-row { display: flex; gap: 16px; align-items: flex-start; }
.contact-row .icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
}
.contact-row .icon svg { width: 20px; height: 20px; stroke: var(--accent); }
.contact-row b { display: block; font-size: 0.92rem; }
.contact-row span { color: var(--text-soft); font-size: 0.92rem; }

.contact-form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-soft);
  display: grid;
  gap: 7px;
}
.contact-form input,
.contact-form textarea {
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.18);
}
.contact-form textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 0.8rem; color: var(--text-faint); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 64px 0 36px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 44px;
  margin-bottom: 48px;
}
.footer-grid h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  margin-bottom: 18px;
}
.footer-grid ul { list-style: none; display: grid; gap: 11px; }
.footer-grid ul a, .footer-grid ul li {
  color: var(--text-soft);
  font-size: 0.92rem;
}
.footer-grid ul a:hover { color: var(--accent); }
.footer-about p {
  color: var(--text-soft);
  font-size: 0.92rem;
  margin-top: 16px;
  max-width: 20rem;
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-faint);
}
.footer-bottom .legal-links { display: flex; gap: 22px; }
.footer-bottom a:hover { color: var(--accent); }

/* ---------- Legal pages ---------- */
.legal-page {
  padding: 170px 0 90px;
  max-width: 780px;
  margin-inline: auto;
}
.legal-page h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.legal-page .updated { color: var(--text-faint); font-size: 0.9rem; margin-bottom: 44px; }
.legal-page h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 42px 0 14px;
}
.legal-page p, .legal-page li {
  color: var(--text-soft);
  font-size: 0.98rem;
  margin-bottom: 12px;
}
.legal-page ul { padding-left: 22px; }
.legal-page a { color: var(--accent); }
.legal-page .card-address {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 24px 26px;
  margin: 18px 0 8px;
}
.legal-page .card-address p { margin-bottom: 4px; color: var(--text); }

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .eyebrow .dot { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .hero-inner { grid-template-columns: 1fr; gap: 52px; }
  .hero { padding-top: 150px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 34px; }
}

@media (max-width: 720px) {
  .nav-links {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(6, 8, 15, 0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px 22px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 13px 0;
    font-size: 1rem;
  }
  .nav-toggle { display: inline-flex; }
  .nav .btn-quote { display: none; }
  section { padding: 76px 0; }
  .card-grid, .steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}