/* ============================================
   gunsul.studio - Cyberpunk Construction Viz
   ============================================ */

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

:root {
    --void-black: #0A0A12;
    --panel-dark: #14141F;
    --neon-green: #00FF9C;
    --neon-magenta: #FF006E;
    --neon-blue: #4A6FFF;
    --muted-steel: #6B6B80;
    --mesh-start: #1A2A3A;
    --mesh-end: #2A1A3A;
    --body-text: #B0B0C0;
    --gutter: 8px;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--void-black);
    color: var(--body-text);
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: clamp(14px, 1vw, 16px);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
}

a {
    color: var(--neon-green);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--neon-magenta);
}

ul {
    list-style: none;
}

/* --- Scan Line Overlay --- */
#scan-line {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--neon-green);
    opacity: 0.08;
    z-index: 9999;
    pointer-events: none;
    animation: scanDescend 8s linear infinite;
}

@keyframes scanDescend {
    0% { top: -1px; }
    100% { top: 100vh; }
}

/* --- Typography --- */
.chromatic-text {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #ffffff;
    text-shadow: 2px 0 var(--neon-magenta), -2px 0 var(--neon-green);
    transition: text-shadow 0.2s;
}

.chromatic-text:hover {
    text-shadow: 4px 0 var(--neon-magenta), -4px 0 var(--neon-green);
    animation: chromaticPulse 0.2s ease-in-out;
}

@keyframes chromaticPulse {
    0% { text-shadow: 2px 0 var(--neon-magenta), -2px 0 var(--neon-green); }
    25% { text-shadow: 4px 1px var(--neon-magenta), -4px -1px var(--neon-green); }
    50% { text-shadow: 3px -1px var(--neon-magenta), -3px 1px var(--neon-green); }
    75% { text-shadow: 5px 0 var(--neon-magenta), -5px 0 var(--neon-green); }
    100% { text-shadow: 4px 0 var(--neon-magenta), -4px 0 var(--neon-green); }
}

.mono-text {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 400;
    font-size: 13px;
    color: var(--neon-green);
    opacity: 0.8;
}

/* --- Bento Grid System --- */
.bento-grid {
    display: grid;
    gap: var(--gutter);
    padding: var(--gutter);
}

.bento-cell {
    background: var(--panel-dark);
    border: 1px solid rgba(0, 255, 156, 0.2);
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.bento-cell:hover {
    border-color: rgba(0, 255, 156, 0.8);
    box-shadow: 0 0 10px rgba(0, 255, 156, 0.3), inset 0 0 20px rgba(0, 255, 156, 0.05);
}

/* --- Shake Animation --- */
@keyframes shakeError {
    0% { transform: translate(0, 0); }
    16% { transform: translate(2px, -1px); }
    33% { transform: translate(-2px, 1px); }
    50% { transform: translate(2px, 1px); }
    66% { transform: translate(-2px, -1px); }
    83% { transform: translate(1px, 1px); }
    100% { transform: translate(0, 0); }
}

.bento-cell.shaking {
    animation: shakeError 0.2s ease-in-out;
}

/* --- Cell Reveal Animation --- */
@keyframes cellBorderDraw {
    0% { clip-path: inset(50% 50% 50% 50%); opacity: 0; }
    50% { clip-path: inset(0% 0% 0% 0%); opacity: 1; }
    100% { clip-path: inset(0% 0% 0% 0%); opacity: 1; }
}

@keyframes meshReveal {
    0% { clip-path: circle(0% at 50% 50%); }
    100% { clip-path: circle(75% at 50% 50%); }
}

.bento-cell.animate-in {
    animation: cellBorderDraw 0.4s ease-out forwards;
}

.bento-cell.animate-in .gradient-mesh {
    animation: meshReveal 0.6s ease-out 0.4s forwards;
    clip-path: circle(0% at 50% 50%);
}

/* --- Gradient Mesh Backgrounds --- */
.gradient-mesh {
    position: absolute;
    inset: 0;
    opacity: 0.85;
}

/* Crane arm - overlapping rectangles with neon gradients */
.mesh-crane {
    background:
        radial-gradient(ellipse at 20% 30%, rgba(74, 111, 255, 0.6) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 60%, rgba(0, 255, 156, 0.4) 0%, transparent 45%),
        conic-gradient(from 45deg at 50% 50%, var(--mesh-start), var(--mesh-end), var(--mesh-start)),
        linear-gradient(135deg, var(--mesh-start) 0%, var(--mesh-end) 100%);
}

/* Foundation - concentric gradient circles */
.mesh-foundation {
    background:
        radial-gradient(circle at 50% 50%, rgba(255, 0, 110, 0.5) 0%, transparent 30%),
        radial-gradient(circle at 50% 50%, rgba(0, 255, 156, 0.3) 20%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(74, 111, 255, 0.4) 40%, transparent 70%),
        linear-gradient(180deg, var(--mesh-start) 0%, var(--mesh-end) 100%);
}

/* Scaffold joint - angular geometric */
.mesh-scaffold {
    background:
        conic-gradient(from 120deg at 30% 70%, rgba(0, 255, 156, 0.5) 0%, transparent 25%),
        conic-gradient(from 300deg at 70% 30%, rgba(255, 0, 110, 0.4) 0%, transparent 25%),
        linear-gradient(45deg, var(--mesh-start) 0%, var(--mesh-end) 50%, var(--mesh-start) 100%);
}

/* Blueprint detail - grid-like gradients */
.mesh-blueprint {
    background:
        repeating-linear-gradient(0deg, rgba(74, 111, 255, 0.15) 0px, transparent 1px, transparent 20px),
        repeating-linear-gradient(90deg, rgba(74, 111, 255, 0.15) 0px, transparent 1px, transparent 20px),
        radial-gradient(ellipse at 40% 40%, rgba(74, 111, 255, 0.5) 0%, transparent 60%),
        linear-gradient(160deg, var(--mesh-start) 0%, var(--mesh-end) 100%);
}

/* Beam joint */
.mesh-beam {
    background:
        linear-gradient(30deg, rgba(0, 255, 156, 0.4) 0%, transparent 40%),
        linear-gradient(150deg, rgba(255, 0, 110, 0.3) 0%, transparent 40%),
        radial-gradient(circle at 60% 40%, rgba(74, 111, 255, 0.5) 0%, transparent 50%),
        linear-gradient(200deg, var(--mesh-start) 0%, var(--mesh-end) 100%);
}

/* Weld point */
.mesh-weld {
    background:
        radial-gradient(circle at 50% 50%, rgba(255, 0, 110, 0.7) 0%, transparent 25%),
        radial-gradient(circle at 50% 50%, rgba(0, 255, 156, 0.4) 15%, transparent 45%),
        conic-gradient(from 0deg at 50% 50%, var(--mesh-start), var(--neon-blue), var(--mesh-end), var(--mesh-start)),
        linear-gradient(var(--mesh-start), var(--mesh-end));
}

/* Project thumbnails gradient meshes */
.mesh-project-1 {
    background:
        radial-gradient(ellipse at 30% 40%, rgba(0, 255, 156, 0.6) 0%, transparent 50%),
        conic-gradient(from 90deg at 70% 60%, rgba(74, 111, 255, 0.4) 0%, transparent 30%),
        linear-gradient(135deg, var(--mesh-start) 0%, var(--mesh-end) 100%);
}

.mesh-project-2 {
    background:
        radial-gradient(circle at 60% 30%, rgba(255, 0, 110, 0.5) 0%, transparent 45%),
        radial-gradient(circle at 30% 70%, rgba(0, 255, 156, 0.4) 0%, transparent 50%),
        linear-gradient(180deg, var(--mesh-start) 0%, var(--mesh-end) 100%);
}

.mesh-project-3 {
    background:
        conic-gradient(from 200deg at 50% 50%, rgba(74, 111, 255, 0.5) 0%, rgba(0, 255, 156, 0.3) 25%, transparent 50%),
        linear-gradient(45deg, var(--mesh-start) 0%, var(--mesh-end) 100%);
}

.mesh-project-4 {
    background:
        repeating-linear-gradient(45deg, rgba(0, 255, 156, 0.1) 0px, transparent 2px, transparent 15px),
        radial-gradient(ellipse at 40% 60%, rgba(255, 0, 110, 0.4) 0%, transparent 55%),
        linear-gradient(160deg, var(--mesh-end) 0%, var(--mesh-start) 100%);
}

.mesh-project-5 {
    background:
        radial-gradient(circle at 50% 80%, rgba(74, 111, 255, 0.6) 0%, transparent 40%),
        radial-gradient(circle at 50% 20%, rgba(0, 255, 156, 0.3) 0%, transparent 50%),
        linear-gradient(0deg, var(--mesh-start) 0%, var(--mesh-end) 100%);
}

.mesh-project-6 {
    background:
        conic-gradient(from 0deg at 25% 75%, rgba(255, 0, 110, 0.5) 0%, transparent 20%),
        conic-gradient(from 180deg at 75% 25%, rgba(0, 255, 156, 0.4) 0%, transparent 20%),
        linear-gradient(135deg, var(--mesh-start) 0%, var(--mesh-end) 100%);
}

.mesh-project-7 {
    background:
        repeating-linear-gradient(0deg, rgba(74, 111, 255, 0.12) 0px, transparent 1px, transparent 12px),
        repeating-linear-gradient(90deg, rgba(74, 111, 255, 0.12) 0px, transparent 1px, transparent 12px),
        radial-gradient(circle at 60% 40%, rgba(255, 0, 110, 0.4) 0%, transparent 50%),
        linear-gradient(200deg, var(--mesh-start) 0%, var(--mesh-end) 100%);
}

.mesh-project-8 {
    background:
        radial-gradient(ellipse at 50% 50%, rgba(0, 255, 156, 0.5) 0%, transparent 35%),
        conic-gradient(from 60deg at 50% 50%, rgba(74, 111, 255, 0.3) 0%, rgba(255, 0, 110, 0.3) 33%, rgba(0, 255, 156, 0.3) 66%, rgba(74, 111, 255, 0.3) 100%),
        linear-gradient(var(--mesh-start), var(--mesh-end));
}

/* Statement crane mesh */
.mesh-statement-crane {
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 80% 50%, rgba(0, 255, 156, 0.4) 0%, transparent 40%),
        radial-gradient(ellipse at 20% 70%, rgba(74, 111, 255, 0.3) 0%, transparent 35%),
        linear-gradient(60deg, rgba(255, 0, 110, 0.2) 0%, transparent 30%),
        conic-gradient(from 270deg at 60% 40%, rgba(0, 255, 156, 0.2) 0%, rgba(74, 111, 255, 0.15) 25%, transparent 50%),
        linear-gradient(135deg, var(--mesh-start) 0%, var(--mesh-end) 100%);
}

/* --- Cell Tags --- */
.cell-tag {
    position: absolute;
    bottom: 8px;
    right: 10px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    color: var(--neon-green);
    opacity: 0.5;
    letter-spacing: 0.05em;
}

/* ===================================================
   SECTION 1: Hero
   =================================================== */
.section-hero {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background: var(--void-black);
}

.hero-grid {
    position: absolute;
    inset: 0;
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: 1fr 1fr 1fr;
    height: 100%;
}

.cell-1 { grid-column: 1 / 2; grid-row: 1 / 3; }
.cell-2 { grid-column: 2 / 3; grid-row: 1 / 2; }
.cell-3 { grid-column: 3 / 4; grid-row: 1 / 2; }
.cell-4 { grid-column: 2 / 4; grid-row: 2 / 4; }
.cell-5 { grid-column: 1 / 2; grid-row: 3 / 4; }
.cell-6 { /* intentionally left empty to force into last slot */ }

/* Large cells */
.cell-large {
    min-height: 200px;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10;
    pointer-events: none;
}

#logotype {
    font-size: clamp(28px, 5vw, 72px);
    pointer-events: auto;
    cursor: default;
    position: relative;
}

.hero-tagline {
    margin-top: 16px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

/* Typewriter cursor */
#logotype::after {
    content: '';
    display: inline-block;
    width: 3px;
    height: 0.85em;
    background: var(--neon-green);
    margin-left: 4px;
    vertical-align: middle;
    animation: cursorBlink 0.8s step-end infinite;
}

#logotype.typed::after {
    animation: cursorBlink 0.8s step-end infinite;
}

@keyframes cursorBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ===================================================
   SECTION 2: Projects Feed
   =================================================== */
.section-projects {
    position: relative;
    width: 100%;
    height: 40vh;
    min-height: 320px;
    overflow: hidden;
    background: var(--void-black);
    border-top: 1px solid rgba(0, 255, 156, 0.15);
    border-bottom: 1px solid rgba(0, 255, 156, 0.15);
}

.section-projects .section-label {
    position: absolute;
    top: 12px;
    left: 16px;
    z-index: 5;
    font-size: 11px;
    letter-spacing: 0.1em;
}

.projects-track {
    display: flex;
    gap: var(--gutter);
    padding: 48px var(--gutter) var(--gutter);
    height: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--neon-green) var(--panel-dark);
}

.projects-track::-webkit-scrollbar {
    height: 4px;
}

.projects-track::-webkit-scrollbar-track {
    background: var(--panel-dark);
}

.projects-track::-webkit-scrollbar-thumb {
    background: var(--neon-green);
    border-radius: 2px;
}

.project-thumb {
    flex: 0 0 300px;
    height: 100%;
    position: relative;
    border: 1px solid rgba(0, 255, 156, 0.2);
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
    cursor: pointer;
}

.project-thumb:hover {
    border-color: rgba(0, 255, 156, 0.8);
    box-shadow: 0 0 15px rgba(0, 255, 156, 0.3);
    transform: scale(1.02);
}

.project-thumb .gradient-mesh {
    position: absolute;
    inset: 0;
}

.project-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px;
    background: linear-gradient(transparent, rgba(10, 10, 18, 0.9));
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.project-info .mono-text {
    font-size: 10px;
    opacity: 0.6;
}

.project-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 16px;
    color: #ffffff;
    letter-spacing: -0.01em;
}

/* ===================================================
   SECTION 3: Capabilities
   =================================================== */
.section-capabilities {
    position: relative;
    padding: 80px var(--gutter) 80px;
    background: var(--void-black);
}

.section-capabilities .section-label {
    position: absolute;
    top: 24px;
    left: 16px;
    font-size: 11px;
    letter-spacing: 0.1em;
}

.capabilities-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto;
    max-width: 1200px;
    margin: 0 auto;
}

/* Varying cell sizes for visual interest */
.cap-1 { grid-column: 1 / 2; grid-row: 1 / 2; }
.cap-2 { grid-column: 2 / 4; grid-row: 1 / 2; }
.cap-3 { grid-column: 1 / 3; grid-row: 2 / 3; }
.cap-4 { grid-column: 3 / 4; grid-row: 2 / 3; }
.cap-5 { grid-column: 1 / 2; grid-row: 3 / 4; }
.cap-6 { grid-column: 2 / 3; grid-row: 3 / 4; }
.cap-7 { grid-column: 3 / 4; grid-row: 3 / 4; }
.cap-8 { grid-column: 1 / 3; grid-row: 4 / 5; }
.cap-9 { grid-column: 3 / 4; grid-row: 4 / 5; }

.cap-cell {
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    cursor: pointer;
    background: var(--panel-dark);
    transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.cap-cell .cap-icon {
    width: 48px;
    height: 48px;
}

.cap-cell .cap-icon svg {
    width: 100%;
    height: 100%;
}

.cap-cell h3 {
    font-size: clamp(18px, 2vw, 24px);
}

.cap-desc {
    font-size: 14px;
    color: var(--body-text);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s 0.2s, transform 0.3s 0.2s;
    line-height: 1.6;
}

.cap-cell.revealed .cap-desc {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================================
   SECTION 4: Statement
   =================================================== */
.section-statement {
    position: relative;
    width: 100%;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--void-black);
    overflow: hidden;
}

.statement-mesh {
    position: absolute;
    inset: 0;
    opacity: 0.6;
}

.statement-content {
    position: relative;
    z-index: 5;
    text-align: center;
    padding: 60px 24px;
    max-width: 900px;
}

.statement-text {
    font-size: clamp(28px, 4vw, 56px);
    line-height: 1.3;
    margin-bottom: 24px;
}

.statement-sub {
    font-size: 13px;
    letter-spacing: 0.12em;
}

/* ===================================================
   FOOTER
   =================================================== */
.section-footer {
    background: var(--panel-dark);
    border-top: 1px solid rgba(0, 255, 156, 0.2);
    padding: var(--gutter);
}

.footer-grid {
    grid-template-columns: repeat(4, 1fr);
    max-width: 1200px;
    margin: 0 auto;
}

.footer-cell {
    padding: 24px;
}

.footer-cell h4 {
    font-size: 11px;
    letter-spacing: 0.15em;
    margin-bottom: 16px;
    color: var(--neon-green);
}

.footer-cell ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-cell a {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 13px;
    color: var(--body-text);
    transition: color 0.2s;
}

.footer-cell a:hover {
    color: var(--neon-green);
}

.credit-text {
    font-size: 12px;
    line-height: 1.8;
    opacity: 0.6;
}

/* ===================================================
   Responsive
   =================================================== */
@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: repeat(3, 1fr);
    }

    .cell-1 { grid-column: 1 / 3; grid-row: 1 / 2; }
    .cell-2 { grid-column: 1 / 2; grid-row: 2 / 3; }
    .cell-3 { grid-column: 2 / 3; grid-row: 2 / 3; }
    .cell-4 { grid-column: 1 / 3; grid-row: 3 / 4; }
    .cell-5 { display: none; }
    .cell-6 { display: none; }

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

    .cap-1 { grid-column: 1 / 3; }
    .cap-2 { grid-column: 1 / 3; }
    .cap-3 { grid-column: 1 / 2; }
    .cap-4 { grid-column: 2 / 3; }
    .cap-5 { grid-column: 1 / 3; }
    .cap-6 { grid-column: 1 / 2; }
    .cap-7 { grid-column: 2 / 3; }
    .cap-8 { grid-column: 1 / 3; }
    .cap-9 { grid-column: 1 / 3; }

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

    .project-thumb {
        flex: 0 0 240px;
    }
}

@media (max-width: 480px) {
    .capabilities-grid {
        grid-template-columns: 1fr;
    }

    .cap-1, .cap-2, .cap-3, .cap-4,
    .cap-5, .cap-6, .cap-7, .cap-8, .cap-9 {
        grid-column: 1 / -1;
    }

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

    .hero-grid {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, 1fr);
    }

    .cell-1 { grid-column: 1; grid-row: 1 / 3; }
    .cell-2 { grid-column: 1; grid-row: 3 / 4; }
    .cell-3 { display: none; }
    .cell-4 { grid-column: 1; grid-row: 4 / 5; }

    .project-thumb {
        flex: 0 0 200px;
    }
}