/* ╔══════════════════════════════════════════════════════════════════╗
   ║  Lintrik Landing Page — Style                                   ║
   ║  Palette: Dark (#121212) + Gold (#D4AF37)                       ║
   ╚══════════════════════════════════════════════════════════════════╝ */

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

:root {
    --bg:            #121212;
    --bg-surface:    #1C1C1C;
    --bg-elevated:   #252525;
    --accent:        #D4AF37;
    --accent-dim:    rgba(212, 175, 55, 0.15);
    --accent-glow:   rgba(212, 175, 55, 0.35);
    --text-primary:  #E8E8E8;
    --text-secondary:#B0B0B0;
    --text-tertiary: #8A7A4A;
    --warning:       #CF6679;
    --radius:        12px;
    --radius-lg:     20px;
    --transition:    0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Typography ────────────────────────────────────────────────── */
h1, h2, h3 {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 600;
    line-height: 1.2;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ── Buttons ───────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn--primary {
    background: var(--accent);
    color: #121212;
}
.btn--primary:hover {
    background: #e6c343;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(212, 175, 55, 0.35);
}

.btn--ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid rgba(255,255,255,0.2);
}
.btn--ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn--large {
    padding: 18px 42px;
    font-size: 1.05rem;
}

.btn__icon {
    width: 20px;
    height: 20px;
}

/* ══════════════════════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background: radial-gradient(ellipse at 50% 30%, #1a1608 0%, #121212 60%);
}

.hero__particles {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, transparent 0%, var(--bg) 70%);
    z-index: 1;
}

.hero__content {
    position: relative;
    z-index: 2;
    padding: 40px 24px;
}

.hero__badge {
    display: inline-block;
    padding: 8px 20px;
    border: 1px solid var(--accent-dim);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--text-tertiary);
    margin-bottom: 32px;
    backdrop-filter: blur(8px);
    background: rgba(26, 18, 9, 0.5);
}

.hero__title {
    margin-bottom: 24px;
}

.hero__title-glow {
    font-size: clamp(3.5rem, 10vw, 7rem);
    font-weight: 700;
    letter-spacing: 0.25em;
    background: linear-gradient(135deg, #D4AF37 0%, #F5E6A3 40%, #D4AF37 60%, #9A7B2A 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 40px rgba(212, 175, 55, 0.25));
    animation: shimmer 4s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { filter: drop-shadow(0 0 40px rgba(212, 175, 55, 0.2)); }
    50%      { filter: drop-shadow(0 0 60px rgba(212, 175, 55, 0.4)); }
}

.hero__tagline {
    font-family: 'Playfair Display', serif;
    font-style: italic;
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: var(--text-tertiary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.hero__subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin: 0 auto 40px;
}

.hero__cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero__scroll-hint {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-tertiary);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    opacity: 0.6;
    animation: fadeInUp 1s 1.5s both;
}

.hero__scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--text-tertiary);
    border-bottom: 2px solid var(--text-tertiary);
    transform: rotate(45deg);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: rotate(45deg) translateY(0); }
    50%      { transform: rotate(45deg) translateY(8px); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateX(-50%) translateY(20px); }
    to   { opacity: 0.6; transform: translateX(-50%) translateY(0); }
}

/* ══════════════════════════════════════════════════════════════════
   SPREAD (3 Cards)
   ══════════════════════════════════════════════════════════════════ */
.spread {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-surface) 50%, var(--bg) 100%);
}

.spread__cards {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.spread__card {
    text-align: center;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.spread__card.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.spread__card-inner {
    width: 160px;
    height: 240px;
    margin: 0 auto 20px;
    perspective: 600px;
}

.spread__card-face {
    width: 100%;
    height: 100%;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    border: 1.5px solid rgba(212, 175, 55, 0.25);
    background: var(--bg-surface);
    transition: var(--transition);
}

.spread__card-face:hover {
    border-color: var(--accent);
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.15);
    transform: translateY(-6px);
}

.spread__card-face--active {
    border-color: var(--accent);
    box-shadow: 0 0 40px rgba(212, 175, 55, 0.2);
}

.spread__card-pattern {
    position: absolute;
    inset: 8px;
    border: 1px solid rgba(212, 175, 55, 0.1);
    border-radius: 8px;
}

.spread__card-symbol {
    font-size: 2.5rem;
    z-index: 1;
}

.spread__card-label {
    font-size: 1rem;
    color: var(--accent);
    margin-bottom: 6px;
    letter-spacing: 0.05em;
}

.spread__card-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    max-width: 200px;
    margin: 0 auto;
}

/* ══════════════════════════════════════════════════════════════════
   SUITS
   ══════════════════════════════════════════════════════════════════ */
.suits {
    padding: 100px 0;
}

.suits__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.suits__item {
    background: var(--bg-surface);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}
.suits__item.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.suits__item:hover {
    border-color: rgba(212, 175, 55, 0.25);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.suits__icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.suits__name {
    font-size: 1.25rem;
    color: var(--accent);
    margin-bottom: 8px;
}

.suits__desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.suits__list {
    list-style: none;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 2;
}

.suits__list-special {
    color: var(--accent);
    font-weight: 500;
}

/* ══════════════════════════════════════════════════════════════════
   FEATURES
   ══════════════════════════════════════════════════════════════════ */
.features {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-surface) 50%, var(--bg) 100%);
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.features__item {
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.04);
    background: rgba(28, 28, 28, 0.5);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}
.features__item.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.features__item:hover {
    border-color: rgba(212, 175, 55, 0.2);
    background: rgba(28, 28, 28, 0.8);
}

.features__icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.features__item h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.features__item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ══════════════════════════════════════════════════════════════════
   RITUAL
   ══════════════════════════════════════════════════════════════════ */
.ritual {
    padding: 100px 0;
}

.ritual__list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 700px;
    margin: 0 auto;
}

.ritual__item {
    padding: 28px 32px;
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.06);
    background: var(--bg-surface);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}
.ritual__item.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.ritual__item:hover {
    border-color: rgba(212, 175, 55, 0.2);
}

.ritual__item--danger {
    border-color: rgba(207, 102, 121, 0.2);
}
.ritual__item--danger:hover {
    border-color: rgba(207, 102, 121, 0.4);
}

.ritual__name {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.ritual__desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.ritual__chip {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-tertiary);
    background: var(--accent-dim);
}

.ritual__chip--danger {
    color: var(--warning);
    background: rgba(207, 102, 121, 0.1);
}

/* ══════════════════════════════════════════════════════════════════
   PREVIEW (Phone Mockup)
   ══════════════════════════════════════════════════════════════════ */
.preview {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-surface) 50%, var(--bg) 100%);
}

.preview__layout {
    display: flex;
    align-items: center;
    gap: 80px;
    flex-wrap: wrap;
    justify-content: center;
}

.preview__phone {
    flex-shrink: 0;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.preview__phone.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.preview__phone-frame {
    width: 280px;
    height: 560px;
    background: #1a1a1a;
    border-radius: 36px;
    padding: 12px;
    border: 2px solid rgba(255,255,255,0.08);
    box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}

.preview__phone-screen {
    width: 100%;
    height: 100%;
    background: var(--bg);
    border-radius: 24px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview__mock-app {
    text-align: center;
    padding: 24px;
    width: 100%;
}

.preview__mock-header {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    background: linear-gradient(135deg, #D4AF37, #F5E6A3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 32px;
}

.preview__mock-question {
    font-size: 0.8rem;
    color: var(--text-secondary);
    padding: 12px 16px;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px;
    margin-bottom: 32px;
}

.preview__mock-cards {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 16px;
}

.preview__mock-card {
    width: 64px;
    height: 96px;
    border-radius: 8px;
    border: 1px solid rgba(212, 175, 55, 0.2);
    background: var(--bg-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
}

.preview__mock-card--active {
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.15);
}

.preview__mock-label {
    font-size: 0.65rem;
    color: var(--text-tertiary);
    letter-spacing: 0.05em;
    margin-bottom: 24px;
}

.preview__mock-btn {
    display: inline-block;
    padding: 10px 28px;
    background: var(--accent);
    color: #121212;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
}

.preview__text {
    flex: 1;
    min-width: 280px;
}

.preview__text .section-title {
    text-align: left;
    margin-bottom: 12px;
}

.preview__text .section-label {
    text-align: left;
    display: block;
}

.preview__text .section-desc {
    text-align: left;
    margin: 0 0 24px;
}

.preview__checklist {
    list-style: none;
    line-height: 2.2;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.preview__checklist li {
    color: var(--text-secondary);
}

/* ══════════════════════════════════════════════════════════════════
   CATEGORIES
   ══════════════════════════════════════════════════════════════════ */
.categories {
    padding: 100px 0;
}

.categories__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.categories__item {
    padding: 20px 24px;
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.06);
    background: var(--bg-surface);
    font-size: 0.95rem;
    color: var(--text-secondary);
    text-align: center;
    transition: var(--transition);
}

.categories__item:hover {
    border-color: rgba(212, 175, 55, 0.3);
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* ══════════════════════════════════════════════════════════════════
   DOWNLOAD CTA
   ══════════════════════════════════════════════════════════════════ */
.download {
    padding: 120px 0;
    text-align: center;
    background: radial-gradient(ellipse at 50% 80%, rgba(212, 175, 55, 0.06) 0%, transparent 60%);
}

.download__title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 16px;
}

.download__desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 480px;
    margin: 0 auto 36px;
}

.download__note {
    margin-top: 20px;
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

/* ══════════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════════ */
.footer {
    padding: 48px 0;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.footer__top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 32px;
}

.footer__logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--accent);
}

.footer__tagline {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-top: 4px;
}

.footer__links {
    display: flex;
    gap: 24px;
}

.footer__links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer__links a:hover {
    color: var(--accent);
}

.footer__bottom {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    text-align: center;
}

/* ══════════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    .spread__cards {
        gap: 24px;
    }
    .spread__card-inner {
        width: 130px;
        height: 195px;
    }
    .preview__layout {
        flex-direction: column;
        gap: 48px;
    }
    .preview__text .section-title,
    .preview__text .section-label,
    .preview__text .section-desc {
        text-align: center;
    }
    .preview__text .section-desc {
        margin: 0 auto 24px;
    }
    .preview__checklist {
        text-align: center;
    }
    .footer__top {
        flex-direction: column;
        text-align: center;
    }
    .suits__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .spread__card-inner {
        width: 100px;
        height: 150px;
    }
    .spread__card-symbol {
        font-size: 1.8rem;
    }
    .hero__cta {
        flex-direction: column;
        align-items: center;
    }
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    .preview__phone-frame {
        width: 240px;
        height: 480px;
    }
}