/* ================================================================
   Iceworks Ventures Inc. — Landing Page Styles
   Palette: Black / Charcoal / White / Subtle Grey
   Type: Inter + Space Grotesk
   ================================================================ */

:root {
    --color-bg: #0a0a0a;
    --color-bg-elev: #111113;
    --color-surface: #16171a;
    --color-surface-2: #1c1d21;
    --color-border: #26272c;
    --color-border-soft: #1f2024;
    --color-text: #f4f4f5;
    --color-text-muted: #a1a1aa;
    --color-text-dim: #71717a;
    --color-accent: #ffffff;
    --color-grey: #8d8f92;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 14px;

    --container-max: 1240px;
    --header-h: 76px;

    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* Reset & base
   ---------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-sans);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s var(--ease); }
button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.08;
    margin: 0;
}

p { margin: 0; }

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 28px;
}

.eyebrow {
    display: inline-block;
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 12px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    padding-bottom: 10px;
    position: relative;
    margin-bottom: 18px;
}
.eyebrow::before {
    content: "";
    display: inline-block;
    width: 28px;
    height: 1px;
    background: var(--color-grey);
    vertical-align: middle;
    margin-right: 12px;
    transform: translateY(-2px);
}

.section-title {
    font-size: clamp(2rem, 3.6vw, 3.1rem);
    font-weight: 600;
    color: var(--color-text);
}

/* Buttons
   ---------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 26px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: all .3s var(--ease);
    cursor: pointer;
}
.btn svg { transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

.btn-primary {
    background: var(--color-text);
    color: var(--color-bg);
    border-color: var(--color-text);
}
.btn-primary:hover {
    background: transparent;
    color: var(--color-text);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}
.btn-ghost:hover {
    border-color: var(--color-text);
    background: rgba(255,255,255,0.03);
}

.btn-block { width: 100%; justify-content: center; }

/* Header
   ---------------------------------------------------- */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 50;
    height: var(--header-h);
    background: rgba(10, 10, 10, 0.72);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color .3s var(--ease), background .3s var(--ease);
}
.site-header.scrolled {
    border-bottom-color: var(--color-border-soft);
    background: rgba(10, 10, 10, 0.9);
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}
.brand-mark {
    width: 36px;
    height: 36px;
    filter: invert(1) brightness(2);
    transition: transform .6s var(--ease);
}
.brand:hover .brand-mark { transform: rotate(60deg); }

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}
.brand-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.14em;
    color: var(--color-text);
}
.brand-sub {
    font-size: 9.5px;
    font-weight: 500;
    letter-spacing: 0.32em;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.site-nav ul {
    display: flex;
    gap: 38px;
    list-style: none;
    padding: 0;
    margin: 0;
}
.nav-link {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    position: relative;
    padding: 6px 0;
}
.nav-link::after {
    content: "";
    position: absolute;
    left: 0; bottom: 0;
    width: 0; height: 1px;
    background: var(--color-text);
    transition: width .3s var(--ease);
}
.nav-link:hover { color: var(--color-text); }
.nav-link:hover::after { width: 100%; }

.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
}
.nav-toggle span {
    display: block;
    width: 18px;
    height: 1.5px;
    background: var(--color-text);
    transition: transform .3s var(--ease), opacity .3s var(--ease);
}

/* Hero
   ---------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    padding: calc(var(--header-h) + 80px) 0 100px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 85% 0%, rgba(255,255,255,0.04), transparent 55%),
        radial-gradient(ellipse at 15% 100%, rgba(141,143,146,0.05), transparent 50%),
        var(--color-bg);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    pointer-events: none;
}

.hero-cog {
    position: absolute;
    right: -180px;
    top: 50%;
    transform: translateY(-50%);
    width: 720px;
    height: 720px;
    opacity: 0.06;
    pointer-events: none;
    animation: spinSlow 90s linear infinite;
}
.hero-cog img {
    width: 100%;
    height: 100%;
    filter: invert(1) brightness(2);
}

@keyframes spinSlow {
    from { transform: translateY(-50%) rotate(0); }
    to   { transform: translateY(-50%) rotate(360deg); }
}

.hero-inner { position: relative; z-index: 2; }

.hero-title {
    font-size: clamp(2.4rem, 6vw, 4.8rem);
    font-weight: 600;
    letter-spacing: -0.035em;
    line-height: 1.03;
    max-width: 18ch;
    margin-bottom: 28px;
}
.hero-title .accent {
    color: var(--color-text-muted);
    font-weight: 500;
}

.hero-lede {
    font-size: clamp(1rem, 1.2vw, 1.125rem);
    color: var(--color-text-muted);
    max-width: 58ch;
    margin-bottom: 44px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 96px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 620px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border-soft);
}
.stat {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.stat-num {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-grey);
    letter-spacing: 0.12em;
}
.stat-label {
    font-size: 14px;
    color: var(--color-text);
    font-weight: 500;
}

/* About
   ---------------------------------------------------- */
.about {
    padding: 140px 0 120px;
    background: var(--color-bg);
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 80px;
    margin-bottom: 100px;
    align-items: start;
}

.about-body {
    display: flex;
    flex-direction: column;
    gap: 22px;
    color: var(--color-text-muted);
    font-size: 17px;
    line-height: 1.75;
    padding-top: 12px;
}
.about-body p:first-of-type {
    color: var(--color-text);
    font-size: 18px;
}

/* Capabilities */
.capabilities {
    border-top: 1px solid var(--color-border-soft);
    padding-top: 60px;
}
.capabilities-title {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-grey);
    letter-spacing: 0.22em;
    text-transform: uppercase;
    margin-bottom: 40px;
}

.cap-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    background: var(--color-border-soft);
    border: 1px solid var(--color-border-soft);
}

.cap-card {
    background: var(--color-bg);
    padding: 40px 32px;
    transition: background .4s var(--ease);
    position: relative;
}
.cap-card:hover { background: var(--color-surface); }

.cap-icon {
    width: 44px;
    height: 44px;
    margin-bottom: 28px;
    transition: transform .8s var(--ease);
}
.cap-icon img {
    width: 100%;
    height: 100%;
    filter: invert(1) brightness(2);
    opacity: 0.85;
}
.cap-card:hover .cap-icon { transform: rotate(90deg); }

.cap-card h4 {
    font-size: 17px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 12px;
    line-height: 1.3;
}
.cap-card p {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.65;
}

/* Divider
   ---------------------------------------------------- */
.divider {
    position: relative;
    height: 140px;
    background: var(--color-bg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.divider::before,
.divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-border), transparent);
}
.divider-cog {
    width: 52px;
    height: 52px;
    margin: 0 40px;
    opacity: 0.55;
    animation: spinSlow 60s linear infinite;
}
.divider-cog img {
    width: 100%;
    height: 100%;
    filter: invert(1) brightness(1.6);
}

/* Contact
   ---------------------------------------------------- */
.contact {
    padding: 120px 0 140px;
    background: var(--color-bg);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: "";
    position: absolute;
    left: -200px;
    bottom: -200px;
    width: 600px;
    height: 600px;
    background-image: url("assets/iceworks-cog.svg");
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.04;
    filter: invert(1) brightness(2);
    pointer-events: none;
    animation: spinSlow 120s linear infinite reverse;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.contact-lead .section-title { margin-bottom: 24px; }
.contact-intro {
    font-size: 17px;
    color: var(--color-text-muted);
    line-height: 1.7;
    max-width: 44ch;
}

.contact-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-md);
    padding: 44px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border-soft);
}
.contact-item:last-of-type { border: none; padding-bottom: 0; }

.contact-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-dim);
    letter-spacing: 0.24em;
    text-transform: uppercase;
}
.contact-value {
    font-family: var(--font-display);
    font-size: 20px;
    color: var(--color-text);
    font-weight: 500;
    transition: color .25s var(--ease);
}
.contact-value:hover { color: var(--color-grey); }

.contact-cta-wrap { border: none !important; padding-top: 8px; padding-bottom: 0 !important; }

/* Footer
   ---------------------------------------------------- */
.site-footer {
    padding: 44px 0;
    background: var(--color-bg-elev);
    border-top: 1px solid var(--color-border-soft);
}
.footer-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}
.footer-mark {
    width: 32px;
    height: 32px;
    filter: invert(1) brightness(2);
    opacity: 0.9;
}
.footer-name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.16em;
    color: var(--color-text);
}
.footer-tagline {
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--color-text-dim);
    margin-top: 4px;
    text-transform: uppercase;
}

.footer-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 13px;
    color: var(--color-text-muted);
    flex-wrap: wrap;
}
.footer-link { color: var(--color-text); }
.footer-link:hover { color: var(--color-text-muted); }
.footer-sep { color: var(--color-text-dim); }

/* Reveal animation
   ---------------------------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive
   ---------------------------------------------------- */
@media (max-width: 1024px) {
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .cap-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; gap: 50px; }
    .hero-cog { width: 520px; height: 520px; right: -220px; }
}

@media (max-width: 720px) {
    .container { padding: 0 22px; }
    .nav-toggle { display: flex; }
    .site-nav {
        position: fixed;
        top: var(--header-h);
        left: 0; right: 0;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border-soft);
        padding: 20px 0;
        transform: translateY(-10px);
        opacity: 0;
        pointer-events: none;
        transition: opacity .3s var(--ease), transform .3s var(--ease);
    }
    .site-nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    .site-nav ul {
        flex-direction: column;
        gap: 4px;
        padding: 0 28px;
    }
    .nav-link {
        display: block;
        padding: 14px 0;
        border-bottom: 1px solid var(--color-border-soft);
    }

    .brand-sub { display: none; }

    .hero { padding: calc(var(--header-h) + 50px) 0 80px; min-height: auto; }
    .hero-cta { margin-bottom: 60px; }
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .about { padding: 90px 0; }
    .cap-grid { grid-template-columns: 1fr; }
    .cap-card { padding: 34px 28px; }

    .contact { padding: 80px 0 100px; }
    .contact-card { padding: 32px 26px; }
    .contact-value { font-size: 17px; }

    .divider-cog { width: 38px; height: 38px; margin: 0 20px; }

    .footer-grid { flex-direction: column; align-items: flex-start; gap: 18px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
    }
    .reveal { opacity: 1; transform: none; }
}