/* ===== Seen Swiss Digital — Brand tokens ===== */
:root {
  --midnight: #111116;
  --charcoal: #252530;
  --white: #FFFFFF;
  --lavender: #BCA7F5;
  --pale-lavender: #EDE8FF;
  --blue: #477BFF;

  --text: #111116;
  --muted: #5B5B6B;
  --border: #E7E5F0;
  --bg-soft: #F8F7FD;
  --gradient: linear-gradient(120deg, var(--blue) 0%, #7E8CFA 45%, var(--lavender) 100%);

  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 10px 40px -12px rgba(71, 123, 255, 0.18);
  --shadow-lg: 0 30px 80px -20px rgba(17, 17, 22, 0.18);

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
.hidden { display: none; }

.container { width: min(1180px, 100% - 40px); margin-inline: auto; }

h1, h2, h3 { font-family: var(--font-display); line-height: 1.08; letter-spacing: -0.03em; }
h1 { font-size: clamp(2.8rem, 6.4vw, 5.2rem); font-weight: 700; }
h2 { font-size: clamp(2rem, 4vw, 3.1rem); font-weight: 600; }
h3 { font-size: 1.3rem; font-weight: 600; letter-spacing: -0.015em; }

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-display); font-weight: 600; font-size: 1rem;
  padding: 14px 26px; border-radius: 999px; border: 1px solid transparent;
  cursor: pointer; transition: transform .25s, box-shadow .25s, background .25s, color .25s;
}
.btn span { transition: transform .25s; }
.btn:hover span { transform: translateX(4px); }
.btn-primary { background: var(--blue); color: var(--white); box-shadow: 0 8px 24px -8px rgba(71,123,255,.6); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px -10px rgba(71,123,255,.7); background: #3A6CF0; }
.btn-ghost { background: var(--white); border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--lavender); background: var(--pale-lavender); }
.btn-sm { padding: 10px 20px; font-size: .92rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .7; cursor: wait; transform: none; }

.glass {
  background: rgba(255,255,255,.72);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(188,167,245,.35);
  box-shadow: var(--shadow-lg);
}

/* ===== Navigation ===== */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50;
  transition: background .3s, box-shadow .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { display: flex; align-items: center; }
/* multiply blends the logo's white background into light surfaces */
.logo-img { height: 44px; width: auto; mix-blend-mode: multiply; }
.footer .logo-img { height: 38px; }
.nav-links { display: flex; align-items: center; gap: 32px; font-weight: 500; font-size: .95rem; }
.nav-links a:not(.btn) { color: var(--muted); transition: color .2s; }
.nav-links a:not(.btn):hover { color: var(--text); }
.nav-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; position: relative; }
.nav-toggle span { position: absolute; left: 9px; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s, top .3s; }
.nav-toggle span:first-child { top: 15px; }
.nav-toggle span:last-child { top: 23px; }
.nav-toggle[aria-expanded="true"] span:first-child { top: 19px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { top: 19px; transform: rotate(-45deg); }

/* ===== Hero ===== */
.hero { position: relative; padding: 150px 0 100px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: -1; }
.grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(71,123,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(71,123,255,.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
}
.orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .55; animation: float 14s ease-in-out infinite; }
.orb-lavender { width: 520px; height: 520px; background: var(--lavender); top: -120px; right: -80px; }
.orb-blue { width: 420px; height: 420px; background: var(--blue); opacity: .28; bottom: -140px; left: -120px; animation-delay: -6s; }
@keyframes float { 0%,100% { transform: translate(0,0); } 50% { transform: translate(-30px, 30px); } }

.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px; border-radius: 999px; font-size: .85rem; font-weight: 500;
  background: var(--pale-lavender); color: #4B3F7A; margin-bottom: 28px;
}
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); position: relative; }
.pulse::after { content: ''; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid var(--blue); animation: ping 1.8s ease-out infinite; }
@keyframes ping { from { transform: scale(.6); opacity: 1; } to { transform: scale(1.8); opacity: 0; } }

.hero-sub { font-family: var(--font-display); font-size: clamp(1.15rem, 2vw, 1.4rem); font-weight: 500; margin: 28px 0 14px; }
.hero-lead { color: var(--muted); font-size: 1.08rem; max-width: 560px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin: 36px 0 32px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-tags li {
  font-size: .85rem; font-weight: 500; padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--border); background: rgba(255,255,255,.7); color: var(--charcoal);
}
.hero-tags li::before { content: '◆'; color: var(--lavender); margin-right: 8px; font-size: .7em; }

/* Hero visual */
.hero-visual { position: relative; height: 480px; }
.search-card { position: absolute; top: 20px; left: 0; right: 30px; border-radius: var(--radius); padding: 22px; animation: bob 7s ease-in-out infinite; }
.search-bar {
  display: flex; align-items: center; gap: 10px; padding: 14px 18px;
  border-radius: 999px; background: var(--white); border: 1px solid var(--border);
  color: var(--muted); font-size: .95rem; margin-bottom: 18px;
}
.typing { color: var(--text); border-right: 2px solid var(--blue); padding-right: 3px; white-space: nowrap; overflow: hidden; animation: caret 1s step-end infinite; }
@keyframes caret { 50% { border-color: transparent; } }
.result { display: flex; align-items: center; gap: 14px; padding: 14px; border-radius: var(--radius-sm); margin-top: 10px; }
.result-top { background: var(--white); border: 1px solid rgba(71,123,255,.35); box-shadow: 0 8px 24px -10px rgba(71,123,255,.4); }
.result-top strong { display: block; font-family: var(--font-display); }
.result-top span { font-size: .82rem; color: var(--muted); }
.result-badge { width: 40px; height: 40px; border-radius: 10px; background: var(--blue); color: #fff; display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; }
.stars { margin-left: auto; color: #F5B83D; font-size: .85rem; letter-spacing: 1px; }
.result-dim { flex-direction: column; align-items: flex-start; gap: 8px; background: rgba(237,232,255,.45); }
.line { height: 8px; border-radius: 4px; background: #DCD6F2; }
.w70 { width: 70%; } .w60 { width: 60%; } .w40 { width: 40%; } .w30 { width: 30%; }

.ai-card {
  position: absolute; bottom: 10px; right: 0; width: 78%;
  border-radius: var(--radius); padding: 20px; background: rgba(17,17,22,.92); color: #E8E6F5;
  border-color: rgba(188,167,245,.25); animation: bob 7s ease-in-out infinite; animation-delay: -3.5s;
}
.ai-head { display: flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: 600; font-size: .85rem; color: var(--lavender); margin-bottom: 10px; }
.ai-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gradient); box-shadow: 0 0 10px var(--lavender); }
.ai-card p { font-size: .92rem; line-height: 1.55; }
.ai-card mark { background: rgba(71,123,255,.28); color: #fff; padding: 1px 5px; border-radius: 5px; }
.ai-sources { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.ai-sources span { font-size: .75rem; padding: 4px 10px; border-radius: 999px; background: var(--charcoal); color: #9A98AE; }
.ai-sources .hl { background: rgba(188,167,245,.2); color: var(--lavender); border: 1px solid rgba(188,167,245,.4); }

.stat-chip {
  position: absolute; top: 200px; right: -10px; display: flex; align-items: center; gap: 12px;
  padding: 12px 18px; border-radius: 16px; animation: bob 6s ease-in-out infinite; animation-delay: -1.5s;
}
.stat-up { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--pale-lavender); color: var(--blue); font-weight: 700; }
.stat-chip strong { display: block; font-family: var(--font-display); font-size: 1.15rem; line-height: 1.1; }
.stat-chip span { font-size: .78rem; color: var(--muted); }
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ===== Strip ===== */
.strip { border-block: 1px solid var(--border); background: var(--bg-soft); padding: 34px 0; }
.strip-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.strip p { max-width: 520px; color: var(--charcoal); font-weight: 500; }
.strip-items { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; font-family: var(--font-display); font-weight: 600; color: #8A88A0; }
.strip-items .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--lavender); }

/* ===== Sections ===== */
.section { padding: 120px 0; position: relative; }
.section-soft { background: linear-gradient(180deg, var(--white), var(--bg-soft) 30%, var(--bg-soft) 70%, var(--white)); }
.section-head { max-width: 720px; margin-bottom: 64px; }
.kicker {
  display: inline-block; font-family: var(--font-display); font-weight: 600; font-size: .82rem;
  text-transform: uppercase; letter-spacing: .14em; color: var(--blue); margin-bottom: 16px;
}
.section-lead { color: var(--muted); font-size: 1.1rem; margin-top: 20px; max-width: 620px; }

/* Services */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  position: relative; padding: 36px 32px; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--white);
  transition: transform .35s, box-shadow .35s, border-color .35s; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--gradient); opacity: 0; transition: opacity .35s;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.service-card:hover::before { opacity: 1; }
.service-card.featured { background: linear-gradient(160deg, var(--pale-lavender), var(--white) 60%); border-color: rgba(188,167,245,.6); }
.service-num { position: absolute; top: 28px; right: 30px; font-family: var(--font-display); font-weight: 700; color: #DCD6F2; font-size: 1.1rem; }
.service-icon { width: 54px; height: 54px; border-radius: 16px; background: var(--midnight); display: grid; place-items: center; margin-bottom: 28px; }
.service-icon svg { width: 26px; height: 26px; fill: none; stroke: var(--lavender); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.tag-new { position: absolute; top: 40px; left: 104px; font-size: .72rem; font-weight: 600; padding: 4px 10px; border-radius: 999px; background: var(--blue); color: #fff; }
.service-card h3 { margin-bottom: 12px; }
.service-card > p { color: var(--muted); margin-bottom: 22px; }
.service-card ul { border-top: 1px solid var(--border); padding-top: 20px; display: grid; gap: 10px; }
.service-card li { font-size: .93rem; display: flex; align-items: center; gap: 10px; }
.service-card li::before { content: ''; width: 6px; height: 6px; border-radius: 2px; background: var(--blue); transform: rotate(45deg); flex-shrink: 0; }

.addon {
  margin-top: 24px; padding: 32px 36px; border-radius: var(--radius);
  background: var(--midnight); color: #fff;
  display: grid; grid-template-columns: 1.4fr 1fr auto; gap: 32px; align-items: center;
  position: relative; overflow: hidden;
}
.addon::after { content: ''; position: absolute; width: 320px; height: 320px; border-radius: 50%; background: var(--blue); filter: blur(100px); opacity: .25; right: -80px; top: -120px; pointer-events: none; }
.addon .kicker { color: var(--lavender); margin-bottom: 8px; }
.addon h3 { font-size: 1.5rem; margin-bottom: 8px; }
.addon p { color: #A9A7BC; }
.addon-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.addon-pills span { padding: 7px 14px; border-radius: 999px; background: var(--charcoal); border: 1px solid #34343F; font-size: .85rem; color: #DAD8E8; }
.addon .btn-ghost { background: transparent; color: #fff; border-color: #3A3A48; position: relative; z-index: 1; }
.addon .btn-ghost:hover { background: var(--charcoal); border-color: var(--lavender); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: s; position: relative; }
.steps::before { content: ''; position: absolute; top: 27px; left: 5%; right: 5%; height: 1px; background: linear-gradient(90deg, transparent, var(--lavender), var(--blue), transparent); }
.step { position: relative; padding: 0 8px; }
.step-num {
  width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 700; background: var(--white);
  border: 1px solid var(--lavender); color: var(--blue); margin-bottom: 24px; position: relative;
  box-shadow: 0 0 0 6px var(--bg-soft);
}
.step h3 { margin-bottom: 10px; }
.step p { color: var(--muted); font-size: .96rem; }

/* Dark AI band */
.section-dark { background: var(--midnight); color: #fff; overflow: hidden; }
.dark-glow { position: absolute; inset: 0; background:
  radial-gradient(600px 400px at 85% 20%, rgba(188,167,245,.22), transparent 70%),
  radial-gradient(500px 400px at 10% 90%, rgba(71,123,255,.22), transparent 70%); }
.section-dark .container { position: relative; }
.kicker-light { color: var(--lavender); }
.section-lead.light { color: #A9A7BC; margin-bottom: 36px; }
.ai-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: center; }
.ai-metrics { display: grid; gap: 16px; }
.metric { padding: 24px 26px; border-radius: var(--radius); background: rgba(37,37,48,.7); border: 1px solid #33333F; }
.metric strong { font-family: var(--font-display); font-size: 1.15rem; display: block; }
.metric span { font-size: .9rem; color: #9A98AE; }
.bar { margin-top: 16px; height: 6px; border-radius: 6px; background: #33333F; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; border-radius: inherit; background: var(--gradient); transition: width 1.6s cubic-bezier(.2,.8,.2,1); }
.metric.visible .bar i, .ai-metrics.visible .bar i { width: var(--w); }

/* Contact */
.contact-inner { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: start; }
.contact-points { margin-top: 32px; display: grid; gap: 14px; }
.contact-points li { display: flex; align-items: center; gap: 12px; font-weight: 500; }
.check { width: 26px; height: 26px; border-radius: 8px; background: var(--pale-lavender); color: var(--blue); display: grid; place-items: center; font-size: .8rem; font-weight: 700; }
.contact-form { padding: 40px; border-radius: 24px; display: grid; gap: 18px; box-shadow: var(--shadow-lg), 0 0 0 1px rgba(188,167,245,.2); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; }
.field label { font-size: .88rem; font-weight: 600; color: var(--charcoal); }
.field input, .field select, .field textarea {
  font: inherit; font-size: .97rem; color: var(--text); width: 100%;
  padding: 13px 16px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--white); transition: border-color .2s, box-shadow .2s; resize: vertical;
}
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235B5B6B' stroke-width='1.6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; }
.field input::placeholder, .field textarea::placeholder { color: #A5A3B5; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(71,123,255,.14); }
.field.error input, .field.error textarea { border-color: #E5484D; box-shadow: 0 0 0 4px rgba(229,72,77,.1); }
.form-status { font-size: .92rem; text-align: center; min-height: 1.4em; }
.form-status.success { color: #1F9D6B; }
.form-status.fail { color: #E5484D; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 40px 0; background: var(--bg-soft); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; font-size: .9rem; color: var(--muted); }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  .bar i { width: var(--w); }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-inner, .ai-inner, .contact-inner { grid-template-columns: 1fr; gap: 56px; }
  .hero-visual { max-width: 520px; width: 100%; margin-inline: auto; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .addon { grid-template-columns: 1fr; gap: 20px; }
  .addon .btn { justify-self: start; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 48px; }
  .steps::before { display: none; }
  .strip-inner { flex-direction: column; align-items: flex-start; gap: 18px; }
}

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed; top: 76px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(255,255,255,.97); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border); padding: 12px 20px 24px;
    transform: translateY(-12px); opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s;
  }
  .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--border); }
  .nav-links .btn { margin-top: 16px; }

  .logo-img { height: 36px; }
  .hero { padding: 120px 0 72px; }
  .hero-visual { height: 420px; }
  .search-card { right: 0; }
  .ai-card { width: 92%; }
  .stat-chip { top: 180px; right: 0; }
  .services-grid, .steps, .field-row { grid-template-columns: 1fr; }
  .section { padding: 84px 0; }
  .section-head { margin-bottom: 44px; }
  .contact-form { padding: 26px 20px; }
  .addon { padding: 28px 24px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}