/* =========================
   Spellegrino Key — styles
   ========================= */

:root {
  --bg: #07070C;
  --bg-2: #0C0C16;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #ECECF1;
  --muted: #9A9AB0;
  --muted-2: #6E6E85;
  --accent: #7C5CFF;
  --accent-2: #22D3EE;
  --grad: linear-gradient(135deg, #7C5CFF 0%, #22D3EE 100%);
  --grad-soft: linear-gradient(135deg, rgba(124,92,255,.22), rgba(34,211,238,.22));
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 30px 80px -20px rgba(0,0,0,.6);
  --container: 1180px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* =========================
   Background — aurora + grid
   ========================= */
.bg-aurora {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
  overflow: hidden;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: .55;
  will-change: transform;
}
.blob-a { width: 520px; height: 520px; background: #7C5CFF; top: -120px; left: -120px; animation: float-a 24s ease-in-out infinite; }
.blob-b { width: 560px; height: 560px; background: #22D3EE; top: 30%; right: -160px; animation: float-b 28s ease-in-out infinite; }
.blob-c { width: 480px; height: 480px; background: #F472B6; bottom: -160px; left: 30%; animation: float-c 32s ease-in-out infinite; opacity: .35; }

@keyframes float-a { 0%,100%{transform:translate(0,0) scale(1);} 50%{transform:translate(40px,60px) scale(1.08);} }
@keyframes float-b { 0%,100%{transform:translate(0,0) scale(1);} 50%{transform:translate(-50px,80px) scale(1.05);} }
@keyframes float-c { 0%,100%{transform:translate(0,0) scale(1);} 50%{transform:translate(60px,-40px) scale(1.1);} }

.bg-grid {
  position: fixed; inset: 0;
  z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
}

main, .site-header, .site-footer { position: relative; z-index: 1; }

/* =========================
   Header
   ========================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(7,7,12,.55);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), border-color .3s var(--ease);
}
.site-header.scrolled {
  background: rgba(7,7,12,.85);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem; padding: 1rem 1.5rem;
}
.brand { display: flex; align-items: center; gap: .65rem; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 9px;
  display: grid; place-items: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.02rem; letter-spacing: -.01em; }
.brand-sub { font-size: .68rem; color: var(--muted-2); letter-spacing: .22em; margin-top: 3px; }

.nav-links { display: flex; gap: 1.6rem; }
.nav-links a {
  font-size: .92rem; color: var(--muted); font-weight: 500;
  position: relative; padding: .25rem 0;
  transition: color .2s var(--ease);
}
.nav-links a::after {
  content: ''; position: absolute; left: 0; bottom: -2px;
  width: 100%; height: 1px;
  background: var(--grad);
  transform: scaleX(0); transform-origin: left;
  transition: transform .35s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta { padding: .6rem 1.05rem; font-size: .9rem; }

.menu-toggle {
  display: none; background: none; border: 0; cursor: pointer;
  width: 40px; height: 40px; padding: 8px;
  flex-direction: column; justify-content: space-around;
}
.menu-toggle span {
  display: block; width: 100%; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================
   Buttons & shared
   ========================= */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .85rem 1.4rem; border-radius: 999px;
  font-weight: 600; font-size: .95rem;
  cursor: pointer; border: 1px solid transparent;
  transition: transform .2s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad); color: #0B0B14;
  box-shadow: 0 8px 28px rgba(124,92,255,.35), inset 0 0 0 1px rgba(255,255,255,.2);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 36px rgba(124,92,255,.45); }
.btn-ghost {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover { background: var(--surface-2); border-color: var(--border-strong); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .78rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .18em;
  color: var(--muted); padding: .4rem .85rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
}
.dot-pulse {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 0 0 rgba(34,211,238,.7);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34,211,238,.7); }
  70% { box-shadow: 0 0 0 12px rgba(34,211,238,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,211,238,0); }
}

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

/* =========================
   Hero
   ========================= */
.hero {
  position: relative;
  padding: 6rem 0 5rem;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 4rem;
  align-items: center;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 1.5rem; padding-right: 1.5rem;
}
.hero-inner { display: flex; flex-direction: column; gap: 1.5rem; }
.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 5.4vw, 4.2rem);
  font-weight: 700; line-height: 1.05;
  letter-spacing: -.025em; margin: 0;
}
.hero-sub {
  font-size: 1.13rem; color: var(--muted);
  max-width: 560px; margin: 0;
}
.hero-cta { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: .5rem; }
.hero-strip {
  list-style: none; padding: 0; margin: 1.5rem 0 0;
  display: flex; flex-wrap: wrap; gap: 1.2rem 1.8rem;
  color: var(--muted); font-size: .92rem;
}
.hero-strip li { display: flex; align-items: center; gap: .5rem; }
.hero-strip span { color: var(--accent-2); }

/* Floating code panel */
.hero-panel {
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transform: rotate(.6deg);
  animation: float-panel 8s ease-in-out infinite;
}
@keyframes float-panel {
  0%,100% { transform: rotate(.6deg) translateY(0); }
  50%     { transform: rotate(.2deg) translateY(-8px); }
}
.panel-bar {
  display: flex; align-items: center; gap: .4rem;
  padding: .8rem 1rem;
  background: rgba(255,255,255,.04);
  border-bottom: 1px solid var(--border);
  font-size: .8rem; color: var(--muted-2);
}
.panel-bar span {
  width: 11px; height: 11px; border-radius: 50%; background: #2a2a3a;
}
.panel-bar span:nth-child(1){ background: #ff5f57; }
.panel-bar span:nth-child(2){ background: #ffbd2e; }
.panel-bar span:nth-child(3){ background: #28c940; }
.panel-bar em {
  margin-left: auto; font-style: normal;
  font-family: 'Space Grotesk', monospace; font-size: .78rem;
}
.panel-code {
  margin: 0; padding: 1.3rem 1.4rem;
  font-family: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
  font-size: .88rem; line-height: 1.7;
  color: #C9C9DC; overflow-x: auto;
}
.c-k { color: #C792EA; }
.c-s { color: #C3E88D; }
.c-v { color: #82AAFF; }
.c-f { color: #FFCB6B; }
.c-c { color: #6E6E85; font-style: italic; }

/* =========================
   Metrics
   ========================= */
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 2rem 1.5rem 4rem;
}
.metric-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem 1.4rem;
  display: flex; flex-direction: column; gap: .5rem;
  transition: transform .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.metric-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--surface-2);
}
.metric-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.4rem; font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  line-height: 1;
}
.metric-label { color: var(--muted); font-size: .92rem; }

/* =========================
   Section base
   ========================= */
.section { padding: 5rem 0; position: relative; }
.section-alt::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.02), transparent);
  pointer-events: none;
}
.section-head { max-width: 720px; margin-bottom: 3rem; display: flex; flex-direction: column; gap: 1rem; }
.section-head.centered { margin-left: auto; margin-right: auto; text-align: center; align-items: center; }
.section-head h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 700; line-height: 1.15;
  letter-spacing: -.02em; margin: 0;
}
.section-head p { color: var(--muted); font-size: 1.05rem; margin: 0; }

/* =========================
   Cards / grids
   ========================= */
.grid { display: grid; gap: 1.2rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  position: relative;
  padding: 1.8rem 1.6rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease);
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--grad-soft);
  opacity: 0;
  transition: opacity .35s var(--ease);
  pointer-events: none;
}
.card > * { position: relative; z-index: 1; }
.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
}
.card:hover::before { opacity: .4; }

.card-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: grid; place-items: center;
  color: var(--accent-2);
  margin-bottom: 1.1rem;
}
.card-icon svg { width: 22px; height: 22px; }
.card h3 {
  margin: 0 0 .55rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.18rem; font-weight: 600;
  letter-spacing: -.01em;
}
.card p { margin: 0 0 1.1rem; color: var(--muted); font-size: .96rem; }
.tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.tags li {
  font-size: .76rem;
  padding: .22rem .6rem; border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--muted);
}

/* =========================
   Approach steps
   ========================= */
.steps {
  list-style: none; padding: 0; margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  counter-reset: step;
}
.steps li {
  padding: 1.6rem 1.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
}
.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem; font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  margin-bottom: .7rem;
  line-height: 1;
}
.steps h3 { margin: 0 0 .4rem; font-family: 'Space Grotesk', sans-serif; font-size: 1.12rem; font-weight: 600; }
.steps p { margin: 0; color: var(--muted); font-size: .92rem; }

/* =========================
   Marquee
   ========================= */
.marquee {
  margin-top: 3rem;
  overflow: hidden;
  border-block: 1px solid var(--border);
  padding: 1.4rem 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
  display: flex; gap: 2rem;
  width: max-content;
  animation: marquee 40s linear infinite;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--muted);
}
.marquee-track span:nth-child(odd) { color: var(--text); }
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* =========================
   Cases
   ========================= */
.case {
  padding: 1.7rem 1.6rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.case:hover { transform: translateY(-5px); border-color: var(--border-strong); }
.case-tag {
  display: inline-block;
  font-size: .72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .15em;
  color: var(--accent-2);
  padding: .25rem .6rem; border-radius: 999px;
  background: rgba(34,211,238,.08);
  border: 1px solid rgba(34,211,238,.18);
  margin-bottom: .9rem;
}
.case h3 { margin: 0 0 .5rem; font-family: 'Space Grotesk', sans-serif; font-size: 1.18rem; font-weight: 600; }
.case p { margin: 0; color: var(--muted); font-size: .95rem; }

/* =========================
   Quote
   ========================= */
.quote-section { padding: 2rem 0 5rem; }
.quote {
  max-width: 820px; margin: 0 auto;
  padding: 2.5rem 2rem;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
}
.quote-mark { width: 40px; height: 40px; margin: 0 auto .8rem; }
.quote blockquote {
  margin: 0; font-size: 1.25rem; line-height: 1.55;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500; color: var(--text);
}
.quote figcaption { margin-top: 1rem; color: var(--muted); font-size: .9rem; }

/* =========================
   Contact
   ========================= */
.contact-wrap { display: grid; }
.contact-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  padding: 3rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: '';
  position: absolute; top: -50%; right: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(124,92,255,.18), transparent 60%);
  pointer-events: none;
}
.contact-left { display: flex; flex-direction: column; gap: 1rem; position: relative; }
.contact-left h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700; line-height: 1.15;
  letter-spacing: -.02em; margin: 0;
}
.contact-left p { color: var(--muted); margin: 0; }
.contact-list { list-style: none; padding: 0; margin: 1.2rem 0 0; display: flex; flex-direction: column; gap: .8rem; }
.contact-list li { display: flex; align-items: center; gap: .8rem; font-size: .95rem; color: var(--muted); }
.contact-list a { color: var(--text); transition: color .2s var(--ease); }
.contact-list a:hover { color: var(--accent-2); }
.contact-list .icon {
  width: 30px; height: 30px; border-radius: 8px;
  display: grid; place-items: center;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--accent-2); font-size: 1rem;
}

.contact-form { display: flex; flex-direction: column; gap: .9rem; position: relative; }
.contact-form label { display: flex; flex-direction: column; gap: .35rem; }
.contact-form span {
  font-size: .82rem; color: var(--muted); font-weight: 500;
}
.contact-form input,
.contact-form textarea {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .8rem 1rem;
  color: var(--text);
  font-family: inherit; font-size: .95rem;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255,255,255,.03);
}
.contact-form button { align-self: flex-start; margin-top: .4rem; }
.form-note { margin: .4rem 0 0; font-size: .88rem; color: var(--accent-2); min-height: 1.2em; }

/* =========================
   Footer
   ========================= */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  padding: 3rem 0 2rem;
  background: rgba(0,0,0,.25);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}
.footer-brand .brand-name { font-size: 1.1rem; }
.footer-brand p { color: var(--muted); margin: .6rem 0 0; font-size: .92rem; }
.footer-cols {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2rem;
}
.footer-cols h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: .92rem; font-weight: 600; margin: 0 0 .8rem;
}
.footer-cols a {
  display: block; color: var(--muted); font-size: .92rem;
  margin-bottom: .4rem; transition: color .2s var(--ease);
}
.footer-cols a:hover { color: var(--text); }
.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex; flex-wrap: wrap; gap: .5rem;
  color: var(--muted-2); font-size: .85rem;
}
.dot-sep { color: var(--muted-2); }

/* =========================
   Reveal-on-scroll
   ========================= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* =========================
   Responsive
   ========================= */
@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 4rem;
    padding-bottom: 3rem;
    gap: 2.5rem;
  }
  .hero-panel { transform: rotate(0); }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .contact-card { grid-template-columns: 1fr; padding: 2.2rem 1.6rem; gap: 2rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .nav-links, .nav-cta { display: none; }
  .menu-toggle { display: flex; }

  /* Mobile menu */
  .site-header.menu-open .nav-links {
    display: flex; flex-direction: column;
    position: fixed; top: 64px; left: 0; right: 0;
    background: rgba(7,7,12,.97);
    backdrop-filter: blur(20px);
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    gap: 1rem;
    animation: slideDown .3s var(--ease);
  }
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
  }
}

@media (max-width: 600px) {
  .grid-3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .section { padding: 3.5rem 0; }
  .hero-title { font-size: 2.4rem; }
  .quote { padding: 2rem 1.4rem; }
  .quote blockquote { font-size: 1.05rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}