/* style.css — The Luminescent Alchemist Design System v3 (with canvas) */

:root {
    --background: #0a0a0c;
    --surface: #131315;
    --surface-container-lowest: #0e0e10;
    --surface-container-low: #1c1b1d;
    --surface-container: #201f22;
    --surface-container-high: #2a2a2c;
    --surface-container-highest: #353437;

    --primary: #4edea3;
    --primary-container: #10b981;
    --primary-glow: rgba(78, 222, 163, 0.08);
    --secondary-container: #21523c;

    --on-surface: #e5e1e4;
    --on-surface-variant: #9ca3af;
    --outline: #86948a;
    --outline-variant: #3c4a42;
    --error: #ffb4ab;

    --font-heading: 'Manrope', sans-serif;
    --font-body: 'Inter', sans-serif;

    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.25rem;
}

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

body {
    background: var(--background);
    color: var(--on-surface);
    font-family: var(--font-body);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
}

/* ═══ CANVAS BACKGROUND ═══ */
.canvas-bg {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.6;
    touch-action: none;
}

/* ═══ GLOW WRAPPER ═══ */
.glow-wrapper {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

/* ═══ WIZARD GLOW ═══ */
.wizard-glow {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}
.glow-top {
    top: -300px; left: 50%; transform: translateX(-50%);
    width: 1200px; height: 1200px;
    background: radial-gradient(circle, rgba(33,82,60,0.1) 0%, transparent 55%);
}
.glow-features {
    top: 2400px; left: 30%; transform: translateX(-50%);
    width: 900px; height: 900px;
    background: radial-gradient(circle, rgba(78,222,163,0.03) 0%, transparent 60%);
}

/* ═══ NAVIGATION ═══ */
.top-nav {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 0.875rem 0;
    background: rgba(10, 10, 12, 0.88);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(60, 74, 66, 0.1);
}
.nav-container {
    max-width: 1200px; margin: 0 auto;
    padding: 0 2rem;
    display: flex; justify-content: space-between; align-items: center;
}
.brand {
    font-family: var(--font-heading);
    font-size: 1.25rem; font-weight: 800;
    color: var(--on-surface);
    text-decoration: none;
    display: flex; align-items: center; gap: 0.5rem;
}
.brand-icon { color: var(--primary); }
.nav-links { display: flex; gap: 2rem; }
.nav-links a {
    color: var(--on-surface-variant); text-decoration: none;
    font-size: 0.875rem; font-weight: 500;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--primary); }

.mobile-menu-btn {
    display: none; background: none; border: none;
    color: var(--on-surface); cursor: pointer;
}
.mobile-nav {
    display: none;
    flex-direction: column; gap: 1rem;
    padding: 1rem 2rem 1.5rem;
    background: rgba(10,10,12,0.95);
    border-bottom: 1px solid rgba(60,74,66,0.1);
}
.mobile-nav a {
    color: var(--on-surface-variant); text-decoration: none;
    font-size: 1rem; font-weight: 500;
}

/* ═══ HERO SECTION ═══ */
.hero-section {
    position: relative; z-index: 10;
    min-height: 100vh;
    display: flex; flex-direction: column;
    justify-content: center; align-items: center;
    padding: 7rem 2rem 3rem;
}
.hero-inner {
    max-width: 1200px; width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.hero-text { text-align: left; }

/* Badge with pulse */
.badge-row { margin-bottom: 1.5rem; }
.badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.375rem 1rem;
    background: var(--surface-container-high);
    border: 1px solid rgba(134,148,138,0.12);
    border-radius: 999px;
    font-size: 0.75rem; font-weight: 600;
    color: var(--primary);
    letter-spacing: 0.04em;
}
.pulse-dot {
    position: relative;
    display: inline-flex; align-items: center; justify-content: center;
    width: 10px; height: 10px;
}
.pulse-ring {
    position: absolute;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0.6;
    animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}
.pulse-core {
    position: relative;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--primary);
}
@keyframes pulse-ring {
    0% { transform: scale(0.33); opacity: 1; }
    80%, 100% { transform: scale(2.4); opacity: 0; }
}

.headline {
    font-family: var(--font-heading);
    font-size: 4rem; font-weight: 800;
    letter-spacing: -0.03em; line-height: 1.05;
    margin-bottom: 1.5rem;
}
.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.body-text {
    font-size: 1.0625rem;
    color: var(--on-surface-variant);
    line-height: 1.7;
    max-width: 520px;
    margin-bottom: 2rem;
}
.body-text strong { color: var(--on-surface); }

/* Hero Link Buttons */
.hero-links {
    display: flex; gap: 0.75rem; flex-wrap: wrap;
}
.hero-link-btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 600; font-size: 0.875rem;
    text-decoration: none;
    transition: all 0.2s;
}
.hero-link-btn.primary-btn {
    background: var(--surface-container-high);
    color: var(--on-surface);
    border: 1px solid rgba(134,148,138,0.12);
}
.hero-link-btn.primary-btn:hover {
    background: var(--surface-container-highest);
    color: var(--primary);
    border-color: rgba(78,222,163,0.2);
}
.hero-link-btn.outline-btn {
    background: transparent;
    color: var(--on-surface-variant);
    border: 1px solid rgba(134,148,138,0.12);
}
.hero-link-btn.outline-btn:hover {
    color: var(--on-surface);
    border-color: rgba(134,148,138,0.25);
}

/* ═══ GENERATOR CARD ═══ */
.generator-card {
    background: rgba(19, 19, 21, 0.75);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(78,222,163,0.08);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: 0 0 100px rgba(78,222,163,0.03), 0 30px 60px rgba(0,0,0,0.5);
    width: 100%;
}
.card-header {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 1rem 1.75rem;
    background: rgba(255,255,255,0.02);
    border-bottom: 1px solid rgba(60,74,66,0.1);
}
.card-dots {
    display: flex; gap: 0.375rem;
}
.card-dots span {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--surface-container-highest);
    border: 1px solid rgba(134,148,138,0.1);
}
.card-dots span:first-child { background: #ff5f56; border-color: #e0443e; }
.card-dots span:nth-child(2) { background: #ffbd2e; border-color: #dea123; }
.card-dots span:nth-child(3) { background: #27c93f; border-color: #1aab29; }
.card-title {
    font-family: var(--font-body);
    font-size: 0.8125rem; font-weight: 500;
    color: var(--on-surface-variant);
}
.generator-form {
    display: flex; flex-direction: column; gap: 1.25rem;
    padding: 1.75rem;
}
.input-group {
    display: flex; flex-direction: column; gap: 0.375rem;
}
.input-group label {
    font-size: 0.8125rem; font-weight: 600;
    color: var(--on-surface-variant);
}
.input-group input {
    background: var(--surface-container-lowest);
    border: 1.5px solid rgba(60,74,66,0.2);
    border-radius: var(--radius-md);
    padding: 0.875rem 1rem;
    color: var(--on-surface);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all 0.2s; outline: none;
    width: 100%;
}
.input-group input:focus {
    background: var(--surface-container);
    border-color: var(--primary-container);
    box-shadow: 0 0 0 4px rgba(78,222,163,0.06);
}
.input-group input::placeholder { color: rgba(156,163,175,0.35); }
.input-hint {
    font-size: 0.6875rem; color: rgba(156,163,175,0.45);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    border: none; border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    color: #002113;
    font-family: var(--font-heading); font-weight: 800; font-size: 1rem;
    cursor: pointer; transition: all 0.3s;
    display: flex; justify-content: center; align-items: center; gap: 0.5rem;
    box-shadow: 0 4px 24px var(--primary-glow);
    margin-top: 0.5rem;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 40px rgba(78,222,163,0.2);
}
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.spinner {
    border: 3px solid rgba(0,33,19,0.2);
    border-top: 3px solid #002113;
    border-radius: 50%; width: 20px; height: 20px;
    animation: spin 1s linear infinite;
}
.hidden { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.status-msg { text-align: center; font-size: 0.875rem; margin-top: 0.375rem; }
.status-msg.success { color: var(--primary); }
.status-msg.error { color: var(--error); }

/* ═══ SCROLL INDICATOR ═══ */
.scroll-indicator {
    display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
    margin-top: 3rem;
    text-decoration: none;
    color: var(--on-surface-variant);
    font-size: 0.75rem; font-weight: 500;
    letter-spacing: 0.04em;
    animation: bounce 2.5s ease-in-out infinite;
    transition: color 0.2s;
    opacity: 0.7;
}
.scroll-indicator:hover { color: var(--primary); opacity: 1; }
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

/* ═══ SECTIONS ═══ */
.section-block {
    position: relative; z-index: 10;
    padding: 7rem 2rem;
}
.section-alt {
    background: var(--surface-container-lowest);
}
.section-container {
    max-width: 1200px; margin: 0 auto;
}
.section-title {
    font-family: var(--font-heading);
    font-size: 2.75rem; font-weight: 800;
    margin-bottom: 0.75rem; text-align: center;
}
.section-subtitle {
    color: var(--on-surface-variant);
    font-size: 1.0625rem;
    max-width: 640px; margin: 0 auto 4rem;
    text-align: center; line-height: 1.7;
}
.center-text { text-align: center; }

/* ═══ PLATFORMS GRID ═══ */
.platforms-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}
.platform-card {
    background: var(--surface-container-low);
    border: 1px solid rgba(134,148,138,0.06);
    border-radius: var(--radius-xl);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.3s;
}
.platform-card:hover {
    transform: translateY(-6px);
    background: var(--surface-container);
    border-color: rgba(78,222,163,0.12);
    box-shadow: 0 16px 40px rgba(0,0,0,0.3);
}
.platform-icon { display: flex; justify-content: center; margin-bottom: 1rem; }
.color-android { color: #3DDC84; }
.color-ios { color: #007AFF; }
.color-desktop { color: #b388ff; }

.platform-card h3 {
    font-family: var(--font-heading); font-size: 1.0625rem; font-weight: 700;
    margin-bottom: 0.375rem;
}
.platform-card p {
    color: var(--on-surface-variant); font-size: 0.8125rem; line-height: 1.5;
    margin-bottom: 1rem;
}
.platform-card code {
    font-size: 0.625rem;
    background: var(--surface-container-lowest);
    padding: 0.25rem 0.5rem; border-radius: var(--radius-sm);
    color: var(--primary); word-break: break-all;
}

/* ═══ FEATURES GRID ═══ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}
.feature-card {
    background: var(--surface-container);
    border: 1px solid rgba(134,148,138,0.05);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition: all 0.3s;
}
.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(78,222,163,0.1);
    box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}
.feature-icon {
    font-size: 1.75rem; margin-bottom: 1rem;
    width: 3rem; height: 3rem;
    display: flex; align-items: center; justify-content: center;
    background: var(--surface-container-high);
    border-radius: var(--radius-lg);
}
.feature-card h3 {
    font-family: var(--font-heading); font-size: 0.9375rem; font-weight: 700;
    margin-bottom: 0.5rem;
}
.feature-card p {
    color: var(--on-surface-variant); font-size: 0.8125rem; line-height: 1.6;
}
.feature-card code {
    background: var(--surface-container-high);
    padding: 0.125rem 0.375rem; border-radius: var(--radius-sm);
    font-size: 0.75rem; color: var(--primary);
}

/* ═══ ARCHITECTURE ═══ */
.arch-visual {
    max-width: 900px; margin: 0 auto;
    display: flex; flex-direction: column; gap: 0.5rem;
    align-items: center;
}
.arch-layer {
    width: 100%;
    display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
}
.arch-label {
    font-family: var(--font-heading);
    font-size: 0.6875rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--primary);
}
.arch-row {
    display: flex; gap: 0.75rem;
    flex-wrap: wrap; justify-content: center;
    width: 100%;
}
.feature-row { gap: 0.5rem; }
.arch-box {
    background: var(--surface-container-low);
    border: 1px solid rgba(134,148,138,0.08);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    text-align: center;
    display: flex; flex-direction: column; gap: 0.25rem;
}
.arch-box strong {
    font-family: var(--font-heading);
    font-size: 0.875rem; color: var(--on-surface);
}
.arch-box span {
    font-size: 0.6875rem; color: var(--on-surface-variant);
}
.box-root { min-width: 320px; border-color: rgba(78,222,163,0.15); background: var(--surface-container); }
.box-core { flex: 1; min-width: 160px; }
.box-feature {
    padding: 0.625rem 1rem;
    font-size: 0.8125rem; font-weight: 600;
    color: var(--on-surface-variant);
    background: var(--surface-container);
}
.box-build { min-width: 320px; }
.arch-arrow {
    color: var(--primary); margin: 0.25rem 0;
    display: flex; align-items: center;
    opacity: 0.5;
}
.arch-sublabel {
    font-size: 0.75rem; color: var(--on-surface-variant);
    margin-top: 0.25rem;
}
.arch-sublabel code {
    background: var(--surface-container-high);
    padding: 0.125rem 0.375rem; border-radius: var(--radius-sm);
    font-size: 0.6875rem; color: var(--primary);
}

/* ═══ DEPENDENCY RULES TABLE ═══ */
.dep-rules {
    max-width: 800px; margin: 4rem auto 0;
}
.dep-title {
    font-family: var(--font-heading);
    font-size: 1.25rem; font-weight: 700;
    margin-bottom: 1.25rem; text-align: center;
}
.dep-table-wrap {
    overflow-x: auto;
}
.dep-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
}
.dep-table th {
    text-align: left;
    padding: 0.75rem 1rem;
    background: var(--surface-container);
    color: var(--primary);
    font-family: var(--font-heading);
    font-weight: 700; font-size: 0.75rem;
    text-transform: uppercase; letter-spacing: 0.05em;
    border-bottom: 1px solid rgba(60,74,66,0.15);
}
.dep-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(60,74,66,0.08);
    color: var(--on-surface-variant);
}
.dep-table code {
    background: var(--surface-container-high);
    padding: 0.125rem 0.375rem; border-radius: var(--radius-sm);
    font-size: 0.6875rem; color: var(--primary);
}

/* ═══ RESOURCES ═══ */
.resource-links {
    display: flex; justify-content: center;
    gap: 0.75rem; flex-wrap: wrap; margin-top: 2rem;
}
.resource-btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: var(--surface-container-high);
    border: 1px solid rgba(134,148,138,0.1);
    border-radius: var(--radius-md);
    color: var(--on-surface); text-decoration: none;
    font-weight: 600; font-size: 0.9375rem;
    transition: all 0.2s;
}
.resource-btn:hover {
    background: var(--surface-container-highest);
    color: var(--primary);
    transform: translateY(-2px);
    border-color: rgba(78,222,163,0.2);
}
.resource-btn.primary-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    color: #002113; border-color: transparent;
}
.resource-btn.primary-btn:hover {
    box-shadow: 0 8px 30px rgba(78,222,163,0.2);
    color: #002113;
}

/* ═══ FOOTER ═══ */
.site-footer {
    position: relative; z-index: 10;
    border-top: 1px solid rgba(60,74,66,0.1);
    padding: 2rem 0;
}
.footer-container {
    max-width: 1200px; margin: 0 auto;
    padding: 0 2rem;
    display: flex; justify-content: space-between; align-items: center;
    color: rgba(156,163,175,0.45); font-size: 0.8125rem;
}
.footer-links a {
    color: rgba(156,163,175,0.45); text-decoration: none;
    margin-left: 1.5rem; transition: color 0.2s;
}
.footer-links a:hover { color: var(--on-surface-variant); }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
    .hero-text { text-align: center; }
    .body-text { max-width: 100%; margin: 0 auto 2rem; }
    .hero-links { justify-content: center; }
    .generator-card { max-width: 580px; margin: 0 auto; }
    .headline { font-size: 3.25rem; }
    .platforms-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .mobile-nav.active { display: flex; }
    .hero-section { padding: 6rem 1rem 2rem; min-height: auto; }
    .headline { font-size: 2.25rem; }
    .generator-card { max-width: 100%; }
    .section-block { padding: 4rem 1rem; }
    .section-title { font-size: 2rem; }
    .platforms-grid { grid-template-columns: 1fr 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .arch-row { flex-direction: column; align-items: center; }
    .box-core, .box-root, .box-build { width: 100%; min-width: auto; }
    .footer-container {
        flex-direction: column-reverse; gap: 1rem; text-align: center;
    }
    .footer-links a { margin: 0 0.75rem; }
    .resource-links { flex-direction: column; align-items: center; }
    .hero-links { flex-direction: column; align-items: center; }
    .nav-container { padding: 0 1rem; }
    .mobile-nav { padding: 1rem 1rem 1.5rem; }
    .generator-form { padding: 1.25rem; }
    .card-header { padding: 0.875rem 1.25rem; }
    .arch-box { padding: 0.75rem 1rem; }
    .arch-box span { word-break: break-word; overflow-wrap: break-word; }
    .platform-card code { word-break: break-all; font-size: 0.5625rem; }
    .dep-table { font-size: 0.75rem; }
    .dep-table th, .dep-table td { padding: 0.5rem 0.625rem; }
    .section-subtitle { font-size: 0.9375rem; margin-bottom: 2.5rem; }
}

@media (max-width: 480px) {
    .platforms-grid { grid-template-columns: 1fr; }
    .headline { font-size: 1.875rem; }
    .hero-section {
        padding: 5.5rem 0.875rem 2rem;
        padding-left: max(0.875rem, env(safe-area-inset-left));
        padding-right: max(0.875rem, env(safe-area-inset-right));
    }
    .section-block {
        padding: 3rem 0.875rem;
        padding-left: max(0.875rem, env(safe-area-inset-left));
        padding-right: max(0.875rem, env(safe-area-inset-right));
    }
    .nav-container {
        padding-left: max(0.875rem, env(safe-area-inset-left));
        padding-right: max(0.875rem, env(safe-area-inset-right));
    }
    .footer-container {
        padding-left: max(0.875rem, env(safe-area-inset-left));
        padding-right: max(0.875rem, env(safe-area-inset-right));
    }
    .body-text { font-size: 0.9375rem; }
    .section-title { font-size: 1.75rem; }
    .section-subtitle { font-size: 0.875rem; margin-bottom: 2rem; }
    .generator-form { padding: 1rem; gap: 1rem; }
    .input-group input { padding: 0.75rem 0.875rem; font-size: 0.9375rem; }
    .btn-primary { padding: 0.875rem 1.25rem; font-size: 0.9375rem; }
    .card-header { padding: 0.75rem 1rem; }
    .card-title { font-size: 0.75rem; }
    .hero-inner { gap: 2rem; }
    .badge { font-size: 0.6875rem; padding: 0.3125rem 0.75rem; }
    .hero-link-btn { padding: 0.625rem 1rem; font-size: 0.8125rem; width: 100%; justify-content: center; }
    .platform-card { padding: 1.5rem 1rem; }
    .platform-card code { font-size: 0.5625rem; }
    .feature-card { padding: 1.5rem; }
    .feature-card h3 { font-size: 0.875rem; }
    .feature-card p { font-size: 0.75rem; }
    .arch-box { padding: 0.625rem 0.75rem; }
    .arch-box strong { font-size: 0.8125rem; }
    .arch-box span { font-size: 0.625rem; word-break: break-word; overflow-wrap: break-word; }
    .arch-row.feature-row { gap: 0.375rem; }
    .box-feature { padding: 0.5rem 0.75rem; font-size: 0.75rem; }
    .dep-table { font-size: 0.6875rem; }
    .dep-table th, .dep-table td { padding: 0.5rem; }
    .dep-table code { font-size: 0.5625rem; }
    .dep-title { font-size: 1.0625rem; }
    .resource-btn { padding: 0.75rem 1.25rem; font-size: 0.875rem; width: 100%; justify-content: center; }
    .scroll-indicator { margin-top: 2rem; }
    .glow-top { width: 600px; height: 600px; top: -200px; }
    .glow-features { width: 500px; height: 500px; }
}