/* ==========================================================================
   Media Regent — Home Page Styles
   Aesthetic: The Digital Concierge — dark luxury meets modern command center
   ========================================================================== */

/* ---------- CSS Variables ---------- */
:root {
    /* Colors */
    --color-bg: #0C0C0E;
    --color-surface: #141418;
    --color-card: #1A1A20;
    --color-card-hover: #22222A;
    --color-border: rgba(200, 164, 86, 0.12);
    --color-border-subtle: rgba(255, 255, 255, 0.06);

    --color-gold: #C8A456;
    --color-gold-light: #E8D5A0;
    --color-gold-dim: rgba(200, 164, 86, 0.15);
    --color-gold-glow: rgba(200, 164, 86, 0.25);

    --color-text: #F0EDE6;
    --color-text-secondary: #9A9698;
    --color-text-muted: #6A6668;

    --color-reddit: #FF4500;
    --color-linkedin: #0A66C2;
    --color-facebook: #1877F2;
    --color-x: #E7E9EA;
    --color-hackernews: #FF6600;
    --color-google: #4285F4;

    --color-success: #4CAF7D;
    --color-warning: #E8A634;
    --color-error: #D45454;

    /* Typography */
    --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Sizing */
    --container-max: 1200px;
    --container-wide: 1400px;
    --nav-height: 72px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 20px;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --transition-fast: 150ms var(--ease-out);
    --transition-base: 300ms var(--ease-out);
    --transition-slow: 500ms var(--ease-out);
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
    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-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* ---------- Grain Overlay ---------- */
.grain-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* ---------- Container ---------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.9375rem;
    letter-spacing: 0.02em;
    padding: 0.75rem 1.75rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-gold), #B8923E);
    color: var(--color-bg);
    border-color: var(--color-gold);
    box-shadow: 0 0 20px var(--color-gold-dim), inset 0 1px 0 rgba(255,255,255,0.15);
}

.btn--primary:hover {
    background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
    box-shadow: 0 0 30px var(--color-gold-glow), inset 0 1px 0 rgba(255,255,255,0.2);
    transform: translateY(-1px);
}

.btn--outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn--outline:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    background: var(--color-gold-dim);
}

.btn--ghost {
    background: transparent;
    color: var(--color-text-secondary);
    border-color: transparent;
}

.btn--ghost:hover {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.05);
}

.btn--sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
}

.btn--lg {
    padding: 0.9375rem 2.25rem;
    font-size: 1rem;
}

.btn--full {
    width: 100%;
}

/* ---------- Navigation ---------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    background: rgba(12, 12, 14, 0.8);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    border-bottom: 1px solid var(--color-border-subtle);
    transition: background var(--transition-base);
}

.nav--scrolled {
    background: rgba(12, 12, 14, 0.95);
    border-bottom-color: var(--color-border);
}

.nav__inner {
    width: 100%;
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
}

.nav__brand {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav__monogram {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-gold), #B8923E);
    color: var(--color-bg);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.8125rem;
    letter-spacing: 0.05em;
    border-radius: 8px;
    flex-shrink: 0;
}

.nav__wordmark {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.125rem;
    letter-spacing: 0.01em;
    color: var(--color-text);
}

.nav__links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav__link {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    letter-spacing: 0.01em;
}

.nav__link:hover {
    color: var(--color-text);
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav__hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.nav__mobile {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-lg) var(--space-xl) var(--space-xl);
    flex-direction: column;
    gap: var(--space-sm);
}

.nav__mobile.is-open {
    display: flex;
}

.nav__mobile-link {
    display: block;
    padding: var(--space-sm) 0;
    font-size: 1rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.nav__mobile-link:hover {
    color: var(--color-text);
}

.nav__mobile-divider {
    border: none;
    border-top: 1px solid var(--color-border-subtle);
    margin: var(--space-sm) 0;
}

/* ---------- Hero Section ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-4xl);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero__gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
}

.hero__gradient-orb--1 {
    width: 600px;
    height: 600px;
    top: -10%;
    right: -5%;
    background: radial-gradient(circle, rgba(200, 164, 86, 0.12), transparent 70%);
}

.hero__gradient-orb--2 {
    width: 400px;
    height: 400px;
    bottom: 10%;
    left: -5%;
    background: radial-gradient(circle, rgba(200, 164, 86, 0.06), transparent 70%);
}

.hero__grid-lines {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(200, 164, 86, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(200, 164, 86, 0.03) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 20%, transparent 70%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
    max-width: var(--container-wide);
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.375rem 1rem;
    background: var(--color-gold-dim);
    border: 1px solid rgba(200, 164, 86, 0.2);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-gold-light);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: var(--space-lg);
}

.hero__badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-gold);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4.25rem);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-lg);
}

.hero__title em {
    font-style: italic;
    color: var(--color-gold);
}

.hero__subtitle {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    max-width: 520px;
    margin-bottom: var(--space-2xl);
}

.hero__cta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

.hero__stats {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.hero__stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.hero__stat-label {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-top: 2px;
    letter-spacing: 0.02em;
}

.hero__stat-divider {
    width: 1px;
    height: 36px;
    background: var(--color-border);
}

/* Hero Visual / Preview */
.hero__visual {
    position: relative;
    perspective: 1200px;
}

.hero__card-stack {
    position: relative;
}

.hero__preview {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow:
        0 4px 24px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.03);
}

.hero__preview-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-card);
    border-bottom: 1px solid var(--color-border-subtle);
}

.hero__preview-dots {
    display: flex;
    gap: 6px;
}

.hero__preview-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-text-muted);
    opacity: 0.3;
}

.hero__preview-dots span:first-child { background: var(--color-error); opacity: 0.7; }
.hero__preview-dots span:nth-child(2) { background: var(--color-warning); opacity: 0.7; }
.hero__preview-dots span:last-child { background: var(--color-success); opacity: 0.7; }

.hero__preview-title {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.hero__preview-body {
    display: flex;
    min-height: 240px;
}

.hero__preview-sidebar {
    width: 160px;
    padding: var(--space-md);
    border-right: 1px solid var(--color-border-subtle);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hero__preview-nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 8px 10px;
    border-radius: 6px;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.hero__preview-nav-item--active {
    background: var(--color-gold-dim);
    color: var(--color-gold-light);
}

.hero__preview-icon {
    width: 18px;
    height: 18px;
    border-radius: 4px;
    flex-shrink: 0;
}

.hero__preview-icon--reddit { background: var(--color-reddit); }
.hero__preview-icon--linkedin { background: var(--color-linkedin); }
.hero__preview-icon--hackernews { background: var(--color-hackernews); }

.hero__preview-main {
    flex: 1;
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.hero__preview-post {
    padding: var(--space-md);
    background: var(--color-card);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--border-radius-sm);
    transition: border-color var(--transition-fast);
}

.hero__preview-post:hover {
    border-color: var(--color-border);
}

.hero__preview-post--dim {
    opacity: 0.6;
}

.hero__preview-post-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.hero__preview-post-sub {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gold);
    font-family: var(--font-mono);
}

.hero__preview-post-time {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
}

.hero__preview-post-title {
    font-size: 0.8125rem;
    color: var(--color-text);
    line-height: 1.4;
    margin-bottom: 8px;
}

.hero__preview-post-meta {
    display: flex;
    gap: 6px;
}

.hero__preview-tag {
    font-size: 0.6875rem;
    padding: 2px 8px;
    border-radius: 100px;
    font-weight: 500;
}

.hero__preview-tag--match {
    background: var(--color-gold-dim);
    color: var(--color-gold);
}

.hero__preview-tag--ready {
    background: rgba(76, 175, 125, 0.15);
    color: var(--color-success);
}

/* Floating cards */
.hero__floating-card {
    position: absolute;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    overflow: hidden;
}

.hero__floating-card--response {
    bottom: -20px;
    right: -30px;
    width: 240px;
    animation: float-response 6s ease-in-out infinite;
}

.hero__floating-card--notification {
    top: 40px;
    left: -40px;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    animation: float-notification 5s ease-in-out infinite 1s;
}

@keyframes float-response {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes float-notification {
    0%, 100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-6px) translateX(3px); }
}

.hero__floating-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gold);
    border-bottom: 1px solid var(--color-border-subtle);
}

.hero__floating-body {
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.hero__typing-line {
    height: 6px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 3px;
    animation: typing-shimmer 2s ease-in-out infinite;
}

.hero__typing-line--short { width: 60%; }
.hero__typing-line--med { width: 80%; }

@keyframes typing-shimmer {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

.hero__floating-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 14px;
    border-top: 1px solid var(--color-border-subtle);
}

.hero__floating-tone {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
}

.hero__floating-action {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--color-success);
}

.hero__notification-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(76, 175, 125, 0.15);
    color: var(--color-success);
    border-radius: 8px;
    flex-shrink: 0;
}

.hero__notification-text {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.hero__notification-text strong {
    color: var(--color-text);
}

/* ---------- Section Headers ---------- */
.section-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-lg);
}

.section-title em {
    font-style: italic;
    color: var(--color-gold);
}

.section-subtitle {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    max-width: 540px;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-4xl);
}

.section-header .section-subtitle {
    margin: 0 auto;
}

/* ---------- Platforms Section ---------- */
.platforms {
    padding: var(--space-5xl) 0;
    position: relative;
}

.platforms::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.platforms__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.platform-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--border-radius);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-gold);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.platform-card:hover {
    border-color: var(--color-border);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.platform-card:hover::before {
    opacity: 1;
}

.platform-card__icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--space-lg);
    transition: transform var(--transition-base);
}

.platform-card:hover .platform-card__icon {
    transform: scale(1.05);
}

.platform-card__icon--reddit {
    background: rgba(255, 69, 0, 0.12);
    color: var(--color-reddit);
}

.platform-card__icon--linkedin {
    background: rgba(10, 102, 194, 0.12);
    color: var(--color-linkedin);
}

.platform-card__icon--facebook {
    background: rgba(24, 119, 242, 0.12);
    color: var(--color-facebook);
}

.platform-card__icon--x {
    background: rgba(231, 233, 234, 0.08);
    color: var(--color-x);
}

.platform-card__icon--hackernews { color: var(--color-hackernews); background: rgba(255, 102, 0, 0.1); }
.platform-card__icon--google { color: var(--color-google); background: rgba(66, 133, 244, 0.1); }

.platform-card__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.platform-card__desc {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.platform-card__features {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.platform-card__features li {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    padding-left: var(--space-lg);
    position: relative;
}

.platform-card__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-gold-dim);
    border: 1px solid var(--color-gold);
}

/* ---------- Features Section ---------- */
.features {
    padding: var(--space-5xl) 0;
    background: var(--color-surface);
    position: relative;
}

.features::before,
.features::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.features::before { top: 0; }
.features::after { bottom: 0; }

.features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.feature-card {
    background: var(--color-card);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--border-radius);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    position: relative;
}

.feature-card:hover {
    border-color: var(--color-border);
}

.feature-card--large {
    grid-column: span 3;
    display: grid;
    grid-template-columns: auto 1fr 1fr;
    grid-template-rows: auto 1fr;
    gap: 0 var(--space-xl);
    align-items: start;
}

.feature-card--large .feature-card__number {
    grid-row: 1 / -1;
}

.feature-card--large .feature-card__icon {
    grid-column: 2;
}

.feature-card--large .feature-card__title {
    grid-column: 2;
}

.feature-card--large .feature-card__desc {
    grid-column: 2;
}

.feature-card--large .feature-card__visual {
    grid-column: 3;
    grid-row: 1 / -1;
    display: flex;
    align-items: center;
}

.feature-card__number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 300;
    color: var(--color-gold-dim);
    line-height: 1;
    margin-bottom: var(--space-lg);
    user-select: none;
}

.feature-card__icon {
    color: var(--color-gold);
    margin-bottom: var(--space-md);
}

.feature-card__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.feature-card__desc {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

/* Keyword demo in feature card */
.feature-card__keyword-demo {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.feature-keyword {
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.8125rem;
    font-family: var(--font-mono);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border-subtle);
    color: var(--color-text-muted);
    transition: all var(--transition-base);
}

.feature-keyword--active,
.feature-keyword:hover {
    background: var(--color-gold-dim);
    border-color: var(--color-gold);
    color: var(--color-gold-light);
}

/* ---------- How It Works ---------- */
.how-it-works {
    padding: var(--space-5xl) 0;
}

.steps {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-3xl);
}

.step {
    display: flex;
    gap: var(--space-xl);
    align-items: flex-start;
    position: relative;
}

.step__number {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--color-gold);
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    position: relative;
    z-index: 1;
    background: var(--color-bg);
}

.step__content {
    flex: 1;
    padding-top: 6px;
}

.step__title {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.step__desc {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

.step__line {
    position: absolute;
    left: 23px;
    top: 56px;
    bottom: -48px;
    width: 1px;
    background: linear-gradient(to bottom, var(--color-border), transparent);
}

/* ---------- Pricing ---------- */
.pricing {
    padding: var(--space-5xl) 0;
    background: var(--color-surface);
    position: relative;
}

.pricing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.pricing__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    align-items: start;
}

.pricing-card {
    background: var(--color-card);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--border-radius);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    position: relative;
}

.pricing-card:hover {
    border-color: var(--color-border);
    transform: translateY(-4px);
}

.pricing-card--featured {
    border-color: var(--color-gold);
    background: linear-gradient(180deg, rgba(200, 164, 86, 0.06), var(--color-card));
    box-shadow: 0 0 40px var(--color-gold-dim);
}

.pricing-card--featured:hover {
    border-color: var(--color-gold);
    box-shadow: 0 0 60px var(--color-gold-glow);
}

.pricing-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-gold), #B8923E);
    color: var(--color-bg);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 4px 16px;
    border-radius: 100px;
    white-space: nowrap;
}

.pricing-card__header {
    text-align: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-border-subtle);
}

.pricing-card__tier {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    display: block;
    margin-bottom: var(--space-md);
}

.pricing-card__price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
}

.pricing-card__currency {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--color-text-muted);
    align-self: flex-start;
    margin-top: 8px;
}

.pricing-card__amount {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 600;
    line-height: 1;
    letter-spacing: -0.03em;
}

.pricing-card--featured .pricing-card__amount {
    color: var(--color-gold-light);
}

.pricing-card__period {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

.pricing-card__features {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.pricing-card__features li {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    padding-left: var(--space-xl);
    position: relative;
}

.pricing-card__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 8px;
    height: 4px;
    border-bottom: 1.5px solid var(--color-gold);
    border-left: 1.5px solid var(--color-gold);
    transform: rotate(-45deg);
}

/* ---------- CTA Section ---------- */
.cta {
    padding: var(--space-5xl) 0;
}

.cta__inner {
    position: relative;
    text-align: center;
    padding: var(--space-4xl) var(--space-2xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.cta__bg-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(200, 164, 86, 0.08), transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(200, 164, 86, 0.05), transparent 50%);
}

.cta__title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    position: relative;
}

.cta__subtitle {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: 0 auto var(--space-2xl);
    position: relative;
}

.cta .btn {
    position: relative;
}

/* ---------- Footer ---------- */
.footer {
    padding: var(--space-4xl) 0 var(--space-2xl);
    border-top: 1px solid var(--color-border-subtle);
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer__brand {
    max-width: 260px;
}

.footer__brand .nav__monogram {
    margin-bottom: var(--space-md);
}

.footer__brand .nav__wordmark {
    display: block;
    margin-bottom: var(--space-md);
}

.footer__tagline {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.footer__links {
    display: flex;
    gap: var(--space-3xl);
}

.footer__col {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer__heading {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.footer__link {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-gold);
}

.footer__bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border-subtle);
}

.footer__bottom p {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* ---------- Animations ---------- */
.anim-fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.anim-fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.anim-delay-1 { transition-delay: 0.1s; }
.anim-delay-2 { transition-delay: 0.2s; }
.anim-delay-3 { transition-delay: 0.3s; }
.anim-delay-4 { transition-delay: 0.4s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }

    .hero__visual {
        max-width: 560px;
        margin: 0 auto;
    }

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

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

    .feature-card--large {
        grid-column: span 2;
        grid-template-columns: auto 1fr;
        grid-template-rows: auto;
    }

    .feature-card--large .feature-card__visual {
        grid-column: 1 / -1;
        grid-row: auto;
        margin-top: var(--space-lg);
    }
}

@media (max-width: 768px) {
    :root {
        --space-4xl: 4rem;
        --space-5xl: 5rem;
    }

    .nav__links,
    .nav__actions {
        display: none;
    }

    .nav__hamburger {
        display: flex;
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--nav-height) + var(--space-3xl));
    }

    .hero__stats {
        flex-wrap: wrap;
        gap: var(--space-lg);
    }

    .hero__floating-card--response {
        right: -10px;
        bottom: -10px;
        width: 200px;
    }

    .hero__floating-card--notification {
        left: -10px;
        top: 20px;
    }

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

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

    .feature-card--large {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }

    .feature-card--large .feature-card__number,
    .feature-card--large .feature-card__icon,
    .feature-card--large .feature-card__title,
    .feature-card--large .feature-card__desc,
    .feature-card--large .feature-card__visual {
        grid-column: 1;
        grid-row: auto;
    }

    .pricing__grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .steps {
        gap: var(--space-2xl);
    }

    .footer__inner {
        flex-direction: column;
    }

    .footer__links {
        gap: var(--space-2xl);
    }

    .hero__preview-sidebar {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .hero__cta {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero__cta .btn {
        width: 100%;
    }

    .footer__links {
        flex-wrap: wrap;
    }
}

/* ---------- Coming Soon Platform Cards ---------- */
.platform-card--coming-soon {
    opacity: 0.5;
    position: relative;
}

.platform-card--coming-soon .platform-card__coming-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-gold);
    background: var(--color-gold-dim);
    padding: 4px 12px;
    border-radius: 100px;
    margin-top: var(--space-md);
}