/* ═══════════════════════════════════════════════
   ACCELERATIVE LABS — SHARED DESIGN SYSTEM
   ═══════════════════════════════════════════════ */

:root {
    --primary: #6B46C1;
    --primary-light: #805AD5;
    --primary-glow: rgba(107,70,193,0.5);
    --secondary: #3B82F6;
    --accent: #E87C3E;
    --accent-glow: rgba(232,124,62,0.5);
    --green: #22c55e;
    --dark: #09090b;
    --dark-card: #111114;
    --dark-border: rgba(255,255,255,0.07);
    --dark-border-hover: rgba(255,255,255,0.14);
    --gray: #71717a;
    --gray-light: #a1a1aa;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #6B46C1 0%, #3B82F6 100%);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
    line-height: 1.6; color: var(--gray-light);
    background: var(--dark); overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4,h5 {
    font-family: 'DM Sans', system-ui, sans-serif;
    font-weight: 700; line-height: 1.15; color: var(--white);
}

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* NAV */
nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(9,9,11,0); transition: background 0.4s, border-color 0.4s;
    border-bottom: 1px solid transparent;
}
nav.scrolled {
    background: rgba(9,9,11,0.92); backdrop-filter: blur(20px);
    border-color: var(--dark-border);
}
.nav-inner {
    display: flex; align-items: center; justify-content: space-between;
    max-width: 1140px; margin: 0 auto; padding: 18px 24px;
}
.logo {
    font-family: 'DM Sans', sans-serif; font-size: 20px; font-weight: 800;
    color: white; text-decoration: none; letter-spacing: -0.3px;
}
.logo span { color: var(--primary-light); }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
    color: var(--gray); font-size: 14px; font-weight: 500;
    text-decoration: none; transition: color 0.2s;
}
.nav-links a:hover { color: white; }
.nav-cta {
    background: var(--accent) !important; color: white !important;
    padding: 9px 20px !important; border-radius: 8px; font-weight: 600 !important;
    box-shadow: 0 0 20px var(--accent-glow); transition: all 0.2s !important;
}
.nav-cta:hover { box-shadow: 0 0 32px var(--accent-glow) !important; transform: translateY(-1px); }

.menu-btn {
    display: none; background: none; border: none; cursor: pointer;
    flex-direction: column; gap: 5px; padding: 4px;
}
.menu-btn span_ {
    display: block; width: 22px; height: 2px; background: white;
    border-radius: 2px; transition: all 0.3s;
}
.menu-btn.open span_:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn.open span_:nth-child(2) { opacity: 0; }
.menu-btn.open span_:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
    display: none; position: fixed; inset: 0; background: var(--dark); z-index: 99;
    flex-direction: column; align-items: center; justify-content: center; gap: 32px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
    color: white; text-decoration: none; font-size: 24px;
    font-family: 'DM Sans', sans-serif; font-weight: 700;
}
.mobile-nav .m-cta {
    background: var(--accent); padding: 14px 32px; border-radius: 10px; font-size: 18px;
}

/* BUTTONS */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 26px; border-radius: 10px; font-size: 15px;
    font-weight: 600; text-decoration: none; font-family: 'DM Sans', sans-serif;
    border: none; cursor: pointer; transition: all 0.2s;
}
.btn-accent {
    background: var(--accent); color: white;
    box-shadow: 0 0 24px var(--accent-glow);
}
.btn-accent:hover { box-shadow: 0 0 40px var(--accent-glow); transform: translateY(-2px); }
.btn-ghost {
    background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.8);
    border: 1px solid var(--dark-border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: var(--dark-border-hover); }
.btn-primary-grad {
    background: var(--gradient); color: white;
    box-shadow: 0 0 20px var(--primary-glow);
}
.btn-primary-grad:hover { box-shadow: 0 0 32px var(--primary-glow); transform: translateY(-2px); }

/* PILLS */
.pill {
    display: inline-block; font-size: 11px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.1em;
    padding: 6px 14px; border-radius: 50px; margin-bottom: 16px;
}
.pill-purple { background: rgba(107,70,193,0.12); color: #c4b5fd; }
.pill-orange { background: rgba(232,124,62,0.12); color: #fb923c; }
.pill-blue { background: rgba(59,130,246,0.12); color: #93c5fd; }
.pill-green { background: rgba(34,197,94,0.12); color: #86efac; }

/* SECTION HEADER */
.s-header { text-align: center; max-width: 640px; margin: 0 auto 64px; }
.s-header h2 { font-size: clamp(26px,3.5vw,42px); letter-spacing: -0.5px; margin-bottom: 14px; }
.s-header p { font-size: 16px; color: var(--gray); line-height: 1.7; }

/* PAGE HERO */
.page-hero {
    padding: 140px 24px 80px; text-align: center;
    position: relative; overflow: hidden;
}
.page-hero-bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 60% 60% at 20% 80%, rgba(107,70,193,0.2) 0%, transparent 60%),
        radial-gradient(ellipse 40% 40% at 80% 20%, rgba(59,130,246,0.15) 0%, transparent 55%);
}
.page-hero-grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 100%);
}
.page-hero-content { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }
.page-hero h1 {
    font-size: clamp(32px, 5vw, 52px); font-weight: 800;
    letter-spacing: -1px; margin-bottom: 16px;
    background: linear-gradient(160deg, #fff 30%, #c4b5fd 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.page-hero p { font-size: 17px; color: var(--gray-light); line-height: 1.7; }

/* CARDS */
.card {
    background: var(--dark-card); border: 1px solid var(--dark-border);
    border-radius: 14px; padding: 28px; transition: border-color 0.3s;
}
.card:hover { border-color: var(--dark-border-hover); }

/* FOOTER */
footer {
    padding: 64px 24px 32px; border-top: 1px solid var(--dark-border);
}
.footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
    max-width: 1140px; margin: 0 auto 48px;
}
.footer-brand p { color: var(--gray); font-size: 13px; margin: 12px 0 18px; line-height: 1.7; max-width: 260px; }
.footer-contact { color: var(--gray); font-size: 13px; line-height: 1.9; }
.footer-col h5 {
    font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em;
    color: var(--gray-light); margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--gray); font-size: 13px; text-decoration: none; transition: color 0.2s; }
.footer-col a:hover { color: white; }
.footer-bottom {
    text-align: center; padding-top: 32px; border-top: 1px solid var(--dark-border);
    font-size: 12px; color: rgba(255,255,255,0.25); max-width: 1140px; margin: 0 auto;
}

/* ANIMATIONS */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* RESPONSIVE */
@media (max-width: 900px) {
    .nav-links { display: none; }
    .menu-btn { display: flex; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}