/* ═══════════════════════════════════════════════════════════
   StateSpeed Solutions — Shared Subpage Design System
   ═══════════════════════════════════════════════════════════
   Usage: <link rel="stylesheet" href="../style.css">
   Override theme color per-page with:
     :root { --accent-primary: #YOUR_COLOR; }
   ═══════════════════════════════════════════════════════════ */

:root {
    --bg-base: #FAFAFA;
    --bg-surface: #FFFFFF;
    --bg-subtle: #F0F0F0;
    --text-primary: #111111;
    --text-secondary: #555555;
    --accent-primary: #FF3366;
    --accent-secondary: #0044FF;
    --border-color: rgba(17, 17, 17, 0.12);
    --border-solid: #111111;
    --font-display: 'Bricolage Grotesque', sans-serif;
    --font-body: 'Instrument Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Fluid Typography */
    --fs-xs:   clamp(0.72rem,  0.68rem + 0.18vw, 0.82rem);
    --fs-sm:   clamp(0.875rem, 0.83rem + 0.22vw, 1rem);
    --fs-base: clamp(1rem,     0.96rem + 0.22vw, 1.125rem);
    --fs-lg:   clamp(1.125rem, 1.05rem + 0.36vw, 1.35rem);
    --fs-xl:   clamp(1.35rem,  1.2rem  + 0.73vw, 1.8rem);
    --fs-2xl:  clamp(1.8rem,   1.5rem  + 1.5vw,  2.6rem);
    --fs-3xl:  clamp(2.2rem,   1.8rem  + 2vw,    3.5rem);
    --fs-5xl:  clamp(3.5rem,   2.5rem  + 5vw,    7rem);
}

/* ── Reset ── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: var(--fs-base);
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    background-image: url('data:image/svg+xml;utf8,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="n"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.8" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23n)" opacity="0.025"/%3E%3C/svg%3E');
}

::selection {
    background-color: var(--accent-primary);
    color: #FFF;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.015em;
    color: var(--text-primary);
}

a { color: inherit; }

/* ── Header / Nav ── */
header {
    padding: 18px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--border-solid);
    background: var(--bg-base);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-family: var(--font-display);
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: baseline;
    gap: 0;
    text-transform: uppercase;
    letter-spacing: -0.015em;
}

.logo span {
    color: var(--accent-primary);
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
}

nav {
    display: flex;
    gap: 30px;
}

nav a {
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 500;
    margin-left: 0;
    position: relative;
    padding-bottom: 3px;
    transition: color 0.3s;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

nav a:hover { color: var(--text-primary); }
nav a:hover::after { transform: scaleX(1); transform-origin: left; }

/* ── Hero Section ── */
.hero {
    text-align: center;
    padding: 100px 40px 80px;
    max-width: 900px;
    margin: 0 auto;
    border-bottom: 1px solid var(--border-color);
}

.hero-icon {
    font-size: 72px;
    margin-bottom: 24px;
    display: block;
}

.hero h1 {
    font-size: var(--fs-3xl);
    margin-bottom: 24px;
    color: var(--text-primary);
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
}

.hero p {
    font-size: var(--fs-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

/* ── CTA Button ── */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-surface);
    color: var(--text-primary);
    padding: 16px 36px;
    border: 2px solid var(--border-solid);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--fs-base);
    text-decoration: none;
    text-transform: uppercase;
    position: relative;
    transition: all 0.2s;
    box-shadow: 5px 5px 0 var(--border-solid);
    border-radius: 0;
}

.cta-button:hover {
    transform: translate(2px, 2px);
    box-shadow: 3px 3px 0 var(--border-solid);
    background: var(--accent-primary);
    color: #FFF;
}

.cta-button:active {
    transform: translate(5px, 5px);
    box-shadow: 0 0 0;
}

.cta-button svg { vertical-align: middle; }

/* ── Section Titles ── */
.section-title {
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
    font-weight: 700;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
    text-align: center;
}

.section-heading {
    font-family: var(--font-display);
    font-size: var(--fs-2xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

/* ── Features Grid ── */
.features {
    padding: 80px 40px;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid var(--border-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.feature-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 36px 30px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.19, 1, 0.22, 1);
    border-radius: 0;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--accent-primary);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
    z-index: 0;
}

.feature-card:hover::before {
    transform: scaleY(1);
    transform-origin: top;
}

.feature-card > * { position: relative; z-index: 1; }
.feature-card:hover { color: #FFF; }
.feature-card:hover h3 { color: #FFF; }
.feature-card:hover p { color: rgba(255, 255, 255, 0.9); }

.feature-icon {
    font-size: 2rem;
    margin-bottom: 16px;
    display: block;
}

.feature-card h3 {
    font-size: var(--fs-lg);
    font-weight: 600;
    margin-bottom: 12px;
    transition: color 0.3s;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    transition: color 0.3s;
}

/* ── How It Works / Steps ── */
.how-it-works {
    padding: 80px 40px;
    background: var(--bg-subtle);
    border-bottom: 1px solid var(--border-color);
}

.steps {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 24px;
    margin-bottom: 40px;
    align-items: flex-start;
}

.step-number {
    width: 48px;
    height: 48px;
    border: 2px solid var(--border-solid);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--fs-lg);
    flex-shrink: 0;
    background: var(--bg-surface);
    border-radius: 0;
}

.step-content h3 {
    font-size: var(--fs-lg);
    font-weight: 600;
    margin-bottom: 6px;
}

.step-content p {
    color: var(--text-secondary);
    font-size: var(--fs-sm);
}

/* ── Privacy / Support Section ── */
.privacy {
    padding: 80px 40px;
    max-width: 850px;
    margin: 0 auto;
    border-bottom: 1px solid var(--border-color);
}

.privacy-content {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 50px;
}

.privacy h2 {
    font-size: var(--fs-2xl);
    margin-bottom: 8px;
}

.privacy .last-updated {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    margin-bottom: 32px;
}

.privacy h3 {
    font-size: var(--fs-lg);
    font-weight: 700;
    margin: 32px 0 12px;
    color: var(--accent-primary);
}

.privacy p,
.privacy ul {
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    margin-bottom: 16px;
}

.privacy ul {
    padding-left: 24px;
}

.privacy li {
    margin-bottom: 8px;
}

.privacy a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
}

.privacy a:hover {
    text-decoration: underline;
}

/* ── Support Section ── */
.support {
    padding: 80px 40px;
    max-width: 850px;
    margin: 0 auto;
}

.support-content {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 50px;
}

.support h2 {
    font-size: var(--fs-2xl);
    margin-bottom: 20px;
}

.support p {
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    margin-bottom: 16px;
}

.support a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
}

/* ── Footer ── */
footer {
    padding: 50px 40px 30px;
    border-top: 2px solid var(--border-solid);
    text-align: center;
    background: var(--bg-base);
}

.footer-logo {
    font-family: var(--font-display);
    font-size: var(--fs-lg);
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: -0.015em;
}

.footer-logo span {
    color: var(--accent-primary);
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.footer-links a {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--fs-xs);
    text-transform: uppercase;
    font-weight: 500;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--accent-primary);
}

.copyright {
    color: var(--text-secondary);
    font-size: var(--fs-xs);
    font-family: var(--font-mono);
}

.copyright a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    header {
        padding: 14px 20px;
    }

    nav {
        display: none;
    }

    .hero {
        padding: 60px 20px 50px;
    }

    .hero h1 {
        font-size: var(--fs-2xl);
    }

    .hero p {
        font-size: var(--fs-base);
    }

    .section-heading {
        font-size: var(--fs-2xl);
    }

    .features,
    .how-it-works,
    .privacy,
    .support {
        padding: 50px 20px;
    }

    .privacy-content,
    .support-content {
        padding: 30px 24px;
    }

    .step {
        flex-direction: column;
    }

    .cta-button {
        padding: 14px 28px;
        font-size: var(--fs-sm);
    }
}