/* ============ VectorScale AI — Static Styles ============ */
:root {
  --bg: #0F1115;            /* deep charcoal */
  --bg-2: #14171E;          /* elevated charcoal */
  --bg-3: #1A1E27;          /* card */
  --cyan: #00E5FF;          /* electric cyan */
  --cyan-2: #22F0FF;
  --purple: #8B5CF6;        /* cyber purple */
  --purple-2: #A78BFA;
  --white: #FFFFFF;         /* primary text */
  --slate: #94A3B8;         /* secondary text */
  --border: rgba(255,255,255,0.08);
  --whatsapp: #25D366;
  --whatsapp-2: #1EBE5B;
  --radius: 14px;
  --shadow-cyan: 0 0 40px rgba(0,229,255,0.25);
  --shadow-purple: 0 0 40px rgba(139,92,246,0.25);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--white);
  font-family: 'Inter', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(0,229,255,0.10), transparent 60%),
    radial-gradient(ellipse 60% 40% at 90% 20%, rgba(139,92,246,0.10), transparent 60%);
  background-attachment: fixed;
}
h1,h2,h3,h4 { font-family: 'Space Grotesk', system-ui, sans-serif; letter-spacing: -0.02em; margin: 0; line-height: 1.15; color: var(--white); }
p { color: var(--slate); margin: 0; }
a { color: inherit; text-decoration: none; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* gradients */
.grad-cyan { background: linear-gradient(135deg, var(--cyan), var(--cyan-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad-purple { background: linear-gradient(135deg, var(--purple), var(--purple-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* NAV */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(15,17,21,0.7);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; max-width: 1180px; margin: 0 auto; }
.logo { display: flex; align-items: center; gap: 10px; font-family: 'Space Grotesk'; font-weight: 700; font-size: 18px; color: var(--white); }
.logo-mark { width: 22px; height: 22px; border-radius: 6px; background: linear-gradient(135deg, var(--cyan), var(--purple)); box-shadow: var(--shadow-cyan); }
.logo-accent { color: var(--cyan); }
.nav-links { display: flex; gap: 28px; }
.nav-links a { color: var(--slate); font-size: 14px; transition: color .2s; }
.nav-links a:hover { color: var(--cyan); }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 10px; font-weight: 600; font-size: 15px;
  border: 1px solid transparent; cursor: pointer; transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
  font-family: inherit; white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-sm { padding: 9px 16px; font-size: 13px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--cyan); color: #001016; box-shadow: var(--shadow-cyan); }
.btn-primary:hover { background: var(--cyan-2); }
.btn-purple { background: var(--purple); color: white; box-shadow: var(--shadow-purple); }
.btn-purple:hover { background: var(--purple-2); }
.btn-whatsapp { background: var(--whatsapp); color: white; box-shadow: 0 0 30px rgba(37,211,102,0.35); }
.btn-whatsapp:hover { background: var(--whatsapp-2); }
.btn-outline { background: transparent; color: var(--white); border-color: var(--border); }

/* HERO */
.hero { position: relative; padding: 80px 0 100px; overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}
.hero-inner { position: relative; text-align: center; max-width: 880px; margin: 0 auto; }
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  border: 1px solid rgba(0,229,255,0.3); background: rgba(0,229,255,0.06);
  color: var(--cyan); font-size: 13px; font-weight: 500;
  margin-bottom: 28px;
}
.pill-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{ opacity:1 } 50% { opacity:.4 } }
.hero-title { font-size: clamp(40px, 7vw, 78px); font-weight: 700; margin-bottom: 22px; }
.hero-sub { font-size: clamp(16px, 2vw, 19px); color: var(--slate); max-width: 640px; margin: 0 auto 36px; }
.hero-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 36px; }
.hero-meta { display: flex; gap: 22px; justify-content: center; flex-wrap: wrap; color: var(--slate); font-size: 13px; }

/* LOGOS */
.logos { padding: 30px 0 60px; }
.eyebrow { display: inline-block; font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--slate); font-weight: 600; }
.eyebrow.center { display: block; text-align: center; margin-bottom: 22px; }
.logo-row {
  display: flex; gap: 40px; justify-content: center; flex-wrap: wrap;
  font-family: 'Space Grotesk'; letter-spacing: 0.15em; font-weight: 600;
  color: rgba(255,255,255,0.35); font-size: 14px;
}

/* SECTIONS */
.section { padding: 100px 0; }
.section-alt { background: linear-gradient(180deg, transparent, rgba(139,92,246,0.04), transparent); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.section-head h2 { font-size: clamp(32px, 4.5vw, 48px); font-weight: 700; margin: 14px 0 16px; }
.section-sub { font-size: 17px; color: var(--slate); }

/* GRID */
.grid-4 {
  display: grid; gap: 22px;
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 980px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .grid-4 { grid-template-columns: 1fr; } }

/* CARD */
.card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(0,229,255,0.4); box-shadow: var(--shadow-cyan); }
.card-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: linear-gradient(135deg, rgba(0,229,255,0.15), rgba(139,92,246,0.15));
  color: var(--cyan); display: grid; place-items: center; margin-bottom: 18px;
  border: 1px solid rgba(0,229,255,0.25);
}
.card-icon svg { width: 22px; height: 22px; }
.card h3 { font-size: 19px; margin-bottom: 8px; }
.card p { font-size: 14px; }

/* STEPS */
.step { background: var(--bg-3); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.step-num { font-family: 'Space Grotesk'; font-size: 13px; color: var(--purple); font-weight: 700; letter-spacing: 0.1em; }
.step h4 { font-size: 18px; margin: 10px 0 6px; }
.step p { font-size: 14px; }

/* TIMELINE */
.timeline { margin-top: 60px; max-width: 760px; margin-left: auto; margin-right: auto; display: grid; gap: 18px; }
.t-row { display: grid; grid-template-columns: 130px 1fr 80px; align-items: center; gap: 16px; }
.t-label { font-size: 14px; color: var(--white); font-weight: 500; }
.t-bar { height: 8px; background: rgba(255,255,255,0.06); border-radius: 999px; overflow: hidden; }
.t-bar span { display: block; height: 100%; border-radius: 999px; box-shadow: 0 0 12px currentColor; }
.t-time { font-size: 13px; color: var(--slate); text-align: right; }
@media (max-width: 540px) { .t-row { grid-template-columns: 90px 1fr 60px; gap: 10px; } }

/* STATS */
.stats .stat { background: var(--bg-3); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 22px; text-align: center; }
.stat-num { font-family: 'Space Grotesk'; font-size: 48px; font-weight: 700; line-height: 1; margin-bottom: 10px; }
.stat p { font-size: 14px; }

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; gap: 36px; } }
.contact-grid h2 { font-size: clamp(30px, 4vw, 42px); margin: 14px 0 14px; }
.quick-actions { display: grid; gap: 12px; margin: 28px 0; max-width: 360px; }
.contact-meta { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--border); display: grid; gap: 8px; font-size: 14px; color: var(--slate); }
.contact-meta strong { color: var(--white); font-weight: 600; }
.contact-meta a { color: var(--cyan); }

.form-card {
  background: var(--bg-3); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.6);
}
.form-card h3 { font-size: 22px; margin-bottom: 20px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--white); margin-bottom: 6px; font-weight: 500; }
.field input, .field textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px;
  background: var(--bg-2); color: var(--white);
  border: 1px solid var(--border); font: inherit; font-size: 14px;
  transition: border-color .15s, box-shadow .15s;
}
.field input::placeholder, .field textarea::placeholder { color: rgba(148,163,184,0.6); }
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0,229,255,0.15);
}
.err { display: block; min-height: 16px; margin-top: 4px; font-size: 12px; color: #FF6B6B; }
.form-note { margin-top: 14px; font-size: 12px; color: var(--slate); text-align: center; }

/* FOOTER */
.footer { padding: 40px 0; border-top: 1px solid var(--border); margin-top: 40px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.muted { color: var(--slate); font-size: 14px; margin-top: 6px; }
.small { font-size: 13px; }

/* TOAST */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(80px);
  background: var(--bg-3); color: var(--white);
  border: 1px solid rgba(0,229,255,0.4); box-shadow: var(--shadow-cyan);
  padding: 14px 22px; border-radius: 12px; font-size: 14px;
  opacity: 0; transition: all .35s ease; z-index: 100; pointer-events: none;
  max-width: calc(100% - 40px);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* FLOATING WHATSAPP */
.float-wa {
  position: fixed; bottom: 24px; right: 24px; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%;
  background: var(--whatsapp); color: white;
  display: grid; place-items: center;
  box-shadow: 0 10px 30px rgba(37,211,102,0.5);
  transition: transform .2s;
}
.float-wa:hover { transform: scale(1.08); }

/* RESPONSIVE NAV */
@media (max-width: 720px) {
  .nav-links { display: none; }
  .hero { padding: 60px 0 70px; }
  .section { padding: 70px 0; }
  .hero-meta { gap: 12px; font-size: 12px; }
}