/* gur.al — Swiss Typography Clean */
/* Palette: #fafafa, #171717, #e5e5e5, #dc2626, #737373, #ffffff */

/* ========================================
   Reset & Base
   ======================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    background: #fafafa;
    color: #171717;
    font-family: 'Inter', 'Helvetica', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
}

/* ========================================
   Visible 12-Column Grid Overlay
   ======================================== */

.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
    padding: 0 48px;
    pointer-events: none;
    z-index: 0;
}

.grid-column {
    background: #171717;
    opacity: 0.03;
}

/* ========================================
   Column Numbers at Page Top
   ======================================== */

.column-numbers {
    position: fixed;
    top: 8px;
    left: 0;
    right: 0;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
    padding: 0 48px;
    pointer-events: none;
    z-index: 1;
}

.column-numbers span {
    font-family: 'Roboto', sans-serif;
    font-size: 9px;
    color: #e5e5e5;
    text-align: center;
    user-select: none;
}

/* ========================================
   Hero Zone (0–100vh)
   ======================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    z-index: 2;
}

.hero-inner {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 48px;
}

.brand-row {
    display: flex;
    align-items: center;
    gap: 16px;
}

.red-square {
    width: 12px;
    height: 12px;
    background: #dc2626;
    flex-shrink: 0;
}

.brand {
    font-family: 'Inter', 'Helvetica', sans-serif;
    font-weight: 600;
    font-size: clamp(48px, 10vw, 120px);
    color: #171717;
    letter-spacing: -0.02em;
    line-height: 1;
}

.rule {
    height: 1px;
    background: #171717;
    margin: 32px 0;
}

.tagline {
    font-family: 'Inter', 'Helvetica', sans-serif;
    font-size: 14px;
    font-weight: 400;
    color: #737373;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* ========================================
   Content Modules
   ======================================== */

.modules,
.modules-extended {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 48px;
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.modules-grid.two-col {
    grid-template-columns: repeat(2, 1fr);
}

.module {
    background: #ffffff;
    padding: 24px;
    border-top: 1px solid #e5e5e5;
}

.module-title {
    font-family: 'Inter', 'Helvetica', sans-serif;
    font-weight: 600;
    font-size: 18px;
    color: #171717;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.red-dot {
    width: 6px;
    height: 6px;
    background: #dc2626;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.module-text {
    font-family: 'Inter', 'Helvetica', sans-serif;
    font-size: 14px;
    font-weight: 400;
    color: #737373;
    line-height: 1.6;
}

/* ========================================
   Data Strip
   ======================================== */

.data-strip {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 48px;
}

.data-strip-inner {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    padding: 48px 0;
    border-top: 1px solid #171717;
    border-bottom: 1px solid #171717;
}

.data-pair {
    text-align: center;
}

.data-label {
    display: block;
    font-family: 'Inter', 'Helvetica', sans-serif;
    font-size: 10px;
    font-weight: 400;
    color: #737373;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 8px;
}

.data-value {
    font-family: 'Roboto', sans-serif;
    font-size: 24px;
    font-weight: 400;
    color: #171717;
}

.data-value.red-accent {
    color: #dc2626;
}

/* ========================================
   Colophon
   ======================================== */

.colophon {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 48px 120px;
}

.colophon-inner {
    width: 100%;
}

.colophon-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.colophon-brand {
    font-family: 'Inter', 'Helvetica', sans-serif;
    font-weight: 600;
    font-size: 14px;
    color: #171717;
}

.colophon-meta {
    font-family: 'Inter', 'Helvetica', sans-serif;
    font-weight: 400;
    font-size: 12px;
    color: #737373;
}

.colophon-dot {
    display: inline-block;
}

/* ========================================
   Fade-in Animations
   ======================================== */

.fade-in {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Module Staggered Reveal
   ======================================== */

.module-hidden {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.module-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 768px) {
    .grid-overlay,
    .column-numbers {
        padding: 0 24px;
        gap: 12px;
    }

    .hero-inner,
    .modules,
    .modules-extended,
    .data-strip,
    .colophon {
        padding-left: 24px;
        padding-right: 24px;
    }

    .modules-grid {
        grid-template-columns: 1fr;
    }

    .modules-grid.two-col {
        grid-template-columns: 1fr;
    }

    .data-strip-inner {
        grid-template-columns: repeat(3, 1fr);
        row-gap: 32px;
    }

    .brand {
        font-size: clamp(36px, 12vw, 72px);
    }

    .column-numbers span {
        font-size: 7px;
    }
}

@media (max-width: 480px) {
    .data-strip-inner {
        grid-template-columns: repeat(2, 1fr);
    }
}