/* ============================================
   DINR.ai — Landing Page Styles
   Dark, futuristic, clean
   ============================================ */

:root {
    --bg: #2b2d30;
    --bg-elevated: #232528;
    --bg-card: rgba(255, 255, 255, 0.03);
    --text: #f0ede8;
    --text-muted: #a09a92;
    --text-dim: #6b6560;
    --accent: #c47a2a;
    --accent-light: #d4903a;
    --accent-dark: #8b5e2f;
    --accent-glow: rgba(196, 122, 42, 0.15);
    --cream: #f0ede8;
    --glass: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-hover: rgba(255, 255, 255, 0.07);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    --max-width: 1200px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    line-height: 1.6;
}

/* ---- Animated Background ---- */

.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
    pointer-events: none;
}

.gradient-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
    z-index: 0;
    pointer-events: none;
    will-change: transform;
}

.orb-1 {
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(196,122,42,0.2), transparent 70%);
    top: -200px; right: -200px;
    animation: orbFloat1 20s ease-in-out infinite;
}

.orb-2 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(139,94,47,0.15), transparent 70%);
    bottom: -100px; left: -150px;
    animation: orbFloat2 25s ease-in-out infinite;
}

.orb-3 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(196,122,42,0.08), transparent 70%);
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    animation: orbFloat3 18s ease-in-out infinite;
}

@keyframes orbFloat1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-80px, 60px) scale(1.1); }
    66% { transform: translate(40px, -40px) scale(0.95); }
}

@keyframes orbFloat2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(60px, -80px) scale(1.05); }
    66% { transform: translate(-40px, 40px) scale(0.9); }
}

@keyframes orbFloat3 {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.3); }
}

/* ---- Layout ---- */

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.section {
    padding: 120px 0;
    position: relative;
}

.section-dark {
    background: var(--bg-elevated);
}

/* ---- Navigation ---- */

.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 16px 24px;
    transition: var(--transition);
}

.nav.scrolled {
    background: rgba(43, 45, 48, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.accent { color: var(--accent); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
}

.nav-links a:hover { color: var(--text); }

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu span {
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(43, 45, 48, 0.95);
    backdrop-filter: blur(20px);
    z-index: 99;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.mobile-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-overlay-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.mobile-overlay-links a {
    color: var(--text);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 600;
}

/* ---- Buttons ---- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font);
}

.btn-primary {
    background: var(--accent);
    color: #0a0a0a;
}

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(196, 122, 42, 0.3);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--glass-border);
}

.btn-ghost:hover {
    background: var(--glass);
    border-color: rgba(255,255,255,0.15);
}

.btn-nav {
    background: var(--glass);
    color: var(--text);
    border: 1px solid var(--glass-border);
    padding: 8px 20px;
    font-size: 0.85rem;
}

.btn-nav:hover {
    background: var(--accent);
    color: #0a0a0a;
    border-color: var(--accent);
}

.btn-lg { padding: 16px 36px; font-size: 1rem; }

.btn-xl { padding: 20px 48px; font-size: 1.1rem; }

/* ---- Hero ---- */

.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
    padding: 120px 24px 80px;
    max-width: var(--max-width);
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--accent-glow);
    border: 1px solid rgba(196, 122, 42, 0.2);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 24px;
}

.pulse-dot {
    width: 8px; height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent), var(--accent-light), var(--accent-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 520px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 28px;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-dim);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--glass-border);
}

/* ---- Phone Mockup ---- */

.hero-visual {
    display: flex;
    justify-content: center;
    perspective: 1000px;
}

.phone-mockup {
    width: 300px;
    background: #1e2023;
    border-radius: 36px;
    padding: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow:
        0 0 0 1px rgba(255,255,255,0.05),
        0 20px 60px rgba(0,0,0,0.5),
        0 0 120px rgba(196,122,42,0.08);
    transform: rotateY(-5deg) rotateX(2deg);
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    animation: phoneFloat 6s ease-in-out infinite;
}

.phone-mockup:hover {
    transform: rotateY(0) rotateX(0);
}

@keyframes phoneFloat {
    0%, 100% { transform: rotateY(-5deg) rotateX(2deg) translateY(0); }
    50% { transform: rotateY(-5deg) rotateX(2deg) translateY(-12px); }
}

.phone-screen {
    background: #18191c;
    border-radius: 26px;
    padding: 20px 16px;
    min-height: 500px;
    overflow: hidden;
}

.mock-header {
    margin-bottom: 16px;
}

.mock-search {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: rgba(255,255,255,0.06);
    border-radius: 12px;
    color: var(--text-dim);
    font-size: 0.85rem;
}

.mock-prefs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.pref-chip {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(255,255,255,0.05);
    color: var(--text-muted);
    border: 1px solid rgba(255,255,255,0.08);
}

.pref-chip.active {
    background: var(--accent-glow);
    color: var(--accent);
    border-color: rgba(196,122,42,0.3);
}

.mock-results {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mock-card {
    padding: 14px;
    background: rgba(255,255,255,0.04);
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.06);
}

.mock-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.mock-dish {
    font-size: 0.85rem;
    font-weight: 600;
}

.mock-match {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-glow);
    padding: 3px 8px;
    border-radius: 6px;
}

.mock-macros {
    display: flex;
    gap: 12px;
    margin-bottom: 10px;
}

.macro {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.mock-bar {
    height: 3px;
    background: rgba(255,255,255,0.06);
    border-radius: 3px;
    overflow: hidden;
}

.mock-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: 3px;
    animation: barGrow 2s ease-out forwards;
    transform-origin: left;
}

@keyframes barGrow {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
}

/* ---- Section Headers ---- */

.section-header {
    text-align: center;
    margin-bottom: 72px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.section-sub {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ---- Steps Grid ---- */

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

.step-card {
    flex: 1;
    max-width: 320px;
    padding: 40px 32px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    text-align: center;
    transition: all var(--transition);
}

.step-card:hover {
    background: var(--glass-hover);
    transform: translateY(-4px);
    border-color: rgba(196, 122, 42, 0.15);
}

.step-number {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.step-icon {
    color: var(--accent);
    margin-bottom: 20px;
}

.step-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.step-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.step-connector {
    flex-shrink: 0;
}

/* ---- Features Grid ---- */

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.feature-card {
    padding: 36px 28px;
    border-radius: var(--radius);
    transition: all var(--transition);
}

.glass {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    background: var(--glass-hover);
    transform: translateY(-4px);
    border-color: rgba(196, 122, 42, 0.15);
}

.feature-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border-radius: 14px;
    color: var(--accent);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ---- Premium Section ---- */

.premium-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 60px;
    padding: 60px;
    border-radius: 24px;
    overflow: hidden;
    position: relative;
}

.premium-content {
    position: relative;
    z-index: 1;
}

.premium-content p {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 32px;
}

.premium-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.premium-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.premium-features svg {
    color: var(--accent);
    flex-shrink: 0;
}

.premium-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.premium-glow {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(196,122,42,0.2), transparent 70%);
    border-radius: 50%;
    animation: premGlow 4s ease-in-out infinite;
}

@keyframes premGlow {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.2); opacity: 1; }
}

.premium-badge {
    position: absolute;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-shadow: 0 0 40px rgba(196,122,42,0.4);
}

/* ---- CTA Section ---- */

.section-cta {
    text-align: center;
    padding: 160px 0;
}

.section-cta .section-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: 16px;
}

.section-cta .section-sub {
    margin-bottom: 40px;
}

/* ---- Footer ---- */

.footer {
    padding: 48px 0 32px;
    border-top: 1px solid var(--glass-border);
    position: relative;
    z-index: 1;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.footer-brand p {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-top: 4px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition);
}

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

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.04);
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-dim);
    text-align: center;
}

/* ---- Reveal Animations ---- */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal:nth-child(5) { transition-delay: 0.4s; }

/* ---- Responsive ---- */

@media (max-width: 968px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        min-height: auto;
        padding-top: 140px;
    }

    .hero-sub { margin: 0 auto 36px; }
    .hero-cta { justify-content: center; }
    .hero-stats { justify-content: center; }

    .hero-visual { order: -1; }
    .phone-mockup { width: 260px; }
    .phone-screen { min-height: 420px; }

    .steps-grid {
        flex-direction: column;
    }

    .step-connector {
        transform: rotate(90deg);
    }

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

    .premium-card {
        grid-template-columns: 1fr;
        padding: 40px 32px;
    }

    .premium-visual {
        display: none;
    }

    .nav-links { display: none; }
    .mobile-menu { display: flex; }
}

@media (max-width: 640px) {
    .section { padding: 80px 0; }

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

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn-lg, .btn-xl {
        width: 100%;
        justify-content: center;
    }
}

/* ---- Privacy Policy Page ---- */

.privacy-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 140px 24px 80px;
    position: relative;
    z-index: 1;
}

.privacy-page h1 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.privacy-page .last-updated {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 48px;
}

.privacy-page h2 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-top: 40px;
    margin-bottom: 12px;
    color: var(--accent);
}

.privacy-page p, .privacy-page li {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 12px;
}

.privacy-page ul {
    padding-left: 20px;
    margin-bottom: 16px;
}

.privacy-page a {
    color: var(--accent);
    text-decoration: underline;
}

/* ---- Waitlist Form ---- */

.waitlist-form {
    max-width: 680px;
    margin: 0 auto 24px;
}

.form-row {
    display: flex;
    gap: 12px;
    align-items: stretch;
}

.form-input {
    flex: 1;
    padding: 16px 20px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    color: var(--text);
    font-family: var(--font);
    font-size: 0.95rem;
    outline: none;
    transition: all var(--transition);
}

.form-input::placeholder {
    color: var(--text-dim);
}

.form-input:focus {
    border-color: var(--accent);
    background: rgba(196, 122, 42, 0.05);
    box-shadow: 0 0 0 3px rgba(196, 122, 42, 0.1);
}

.form-btn {
    flex-shrink: 0;
    white-space: nowrap;
}

.waitlist-note {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-bottom: 32px;
}

.waitlist-count {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.waitlist-avatars {
    display: flex;
    gap: -4px;
}

.avatar-dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--bg);
    margin-left: -8px;
}

.avatar-dot:first-child { margin-left: 0; }

.avatar-dot:nth-child(1) {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
}
.avatar-dot:nth-child(2) {
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
}
.avatar-dot:nth-child(3) {
    background: linear-gradient(135deg, var(--accent-dark), var(--accent-light));
}

.waitlist-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ---- Thanks Page ---- */

.thanks-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 24px;
    position: relative;
    z-index: 1;
}

.thanks-icon {
    color: var(--accent);
    margin-bottom: 32px;
    animation: scaleIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes scaleIn {
    from { transform: scale(0); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.thanks-page h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 16px;
}

.thanks-page p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 480px;
    line-height: 1.7;
    margin-bottom: 36px;
}

/* ---- Responsive: Waitlist ---- */

@media (max-width: 640px) {
    .form-row {
        flex-direction: column;
    }

    .form-input, .form-btn {
        width: 100%;
    }
}