/* ==========================================================================
   KDrive by 2S Digital — Enterprise SaaS Design System
   Modern, Luxury, High-End Light Mode Aesthetic
   ========================================================================== */

:root {
    color-scheme: light;
    
    /* Brand Colors */
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --primary-ring: rgba(37, 99, 235, 0.25);
    
    --indigo: #4f46e5;
    --cyan: #06b6d4;
    --emerald: #10b981;
    --amber: #f59e0b;
    --violet: #8b5cf6;
    
    /* Neutral Palette */
    --slate-900: #0f172a;
    --slate-800: #1e293b;
    --slate-700: #334155;
    --slate-600: #475569;
    --slate-500: #64748b;
    --slate-400: #94a3b8;
    --slate-300: #cbd5e1;
    --slate-200: #e2e8f0;
    --slate-100: #f1f5f9;
    --slate-50:  #f8fafc;
    
    --line: #e2e8f0;
    --card-bg: #ffffff;
    --bg-page: #fafbfe;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.06), 0 4px 6px -4px rgba(0, 0, 0, 0.03);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.06), 0 8px 10px -6px rgba(0, 0, 0, 0.03);
    --shadow-luxury: 0 12px 32px -4px rgba(37, 99, 235, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
    
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--slate-700);
    background-color: var(--bg-page);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 88px;
}

/* Reset & Box Sizing */
*, *::before, *::after {
    box-sizing: border-box;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

body {
    margin: 0;
    padding: 0;
    font-family: inherit;
    color: inherit;
    background-color: var(--bg-page);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Global Link Reset (CRITICAL: No default blue underline) */
a {
    color: inherit;
    text-decoration: none;
    transition: color 0.15s ease, opacity 0.15s ease;
}

a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
    border-radius: 6px;
}

/* Typography defaults */
h1, h2, h3, h4, p {
    margin-top: 0;
}

h1, h2, h3, h4 {
    color: var(--slate-900);
    letter-spacing: -0.03em;
}

.wrap {
    width: min(1200px, calc(100% - 48px));
    margin-inline: auto;
}

/* ==========================================================================
   Header & Navigation (Floating Glassmorphism)
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    transition: background 0.2s ease, box-shadow 0.2s ease;
}

.nav {
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: nowrap;
}

/* Brand */
.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--slate-900);
    text-decoration: none !important;
    white-space: nowrap;
    flex-shrink: 0;
}

.brand:hover {
    text-decoration: none !important;
}

.brand-logo {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #ffffff;
    border-radius: 9px;
    font-size: 1.05rem;
    font-weight: 800;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
}

.brand-text {
    letter-spacing: -0.04em;
}

.brand-sub {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--slate-500);
    background: var(--slate-100);
    padding: 3px 8px;
    border-radius: 6px;
    border: 1px solid var(--slate-200);
    letter-spacing: normal;
    line-height: 1;
}

.brand-sub a {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--primary);
    text-decoration: none !important;
    white-space: nowrap;
}

.brand-sub a:hover {
    text-decoration: underline !important;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-wrap: nowrap;
    white-space: nowrap;
}

.site-footer .brand-sub {
    display: inline-flex !important;
}

/* Nav Links (Clean, No Blue Underline under any state) */
.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: nowrap;
}

.nav-links a,
.nav-links a:link,
.nav-links a:visited {
    color: var(--slate-600);
    font-size: 0.88rem;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 8px;
    text-decoration: none !important;
    white-space: nowrap;
    transition: all 0.15s ease;
}

.nav-links a:hover,
.nav-links a:focus {
    color: var(--primary);
    background: var(--slate-100);
    text-decoration: none !important;
}

.nav-links a:active {
    color: var(--primary-hover);
    text-decoration: none !important;
}

/* Nav Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    white-space: nowrap;
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    padding: 9px 18px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--slate-700);
    border-radius: 9999px;
    border: 1px solid var(--slate-200);
    background: #ffffff;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.btn-ghost:hover {
    background: var(--slate-100);
    color: var(--slate-900);
    border-color: var(--slate-300);
    text-decoration: none;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    font-size: 0.88rem;
    font-weight: 600;
    color: #ffffff;
    border-radius: 9999px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
    border: none;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
    transform: translateY(-1px);
    text-decoration: none;
    color: #ffffff;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--slate-700);
    border-radius: 9999px;
    background: #ffffff;
    border: 1px solid var(--slate-200);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: var(--slate-50);
    border-color: var(--slate-300);
    color: var(--slate-900);
    text-decoration: none;
}

.btn-large {
    padding: 13px 26px;
    font-size: 0.95rem;
}

/* ==========================================================================
   Hero Section (Enterprise Grand Stage — Centered & Immersive)
   ========================================================================== */
.hero-section {
    position: relative;
    overflow: hidden;
    padding-top: clamp(48px, 6vw, 76px);
    padding-bottom: clamp(64px, 8vw, 108px);
    border-bottom: 1px solid var(--line);
    background: linear-gradient(180deg, #ffffff 0%, #f6f8fd 100%);
}

.hero-ambient-glow {
    position: absolute;
    top: -120px;
    left: 50%;
    transform: translateX(-50%);
    width: 1000px;
    height: 550px;
    background: radial-gradient(ellipse at center, rgba(37, 99, 235, 0.12) 0%, rgba(99, 102, 241, 0.06) 45%, transparent 75%);
    pointer-events: none;
    z-index: 0;
}

/* Centered Grand Stage Content */
.hero-centered-content {
    text-align: center;
    max-width: 860px;
    margin: 0 auto clamp(36px, 5vw, 56px);
    position: relative;
    z-index: 1;
}

.hero-title-centered {
    font-size: clamp(2.4rem, 4.6vw, 3.8rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.04em;
    color: var(--slate-900);
    margin-bottom: 20px;
}

.hero-subtitle-centered {
    font-size: clamp(1.02rem, 1.3vw, 1.15rem);
    line-height: 1.7;
    color: var(--slate-600);
    margin: 0 auto 32px;
    max-width: 62ch;
}

.hero-actions-centered {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.hero-trust-centered {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--slate-500);
}

.hero-preview-centered {
    margin: 0 auto;
    max-width: 1040px;
    position: relative;
    z-index: 1;
}

.hero-preview-centered::before {
    content: '';
    position: absolute;
    top: -30px;
    left: 5%;
    right: 5%;
    height: 120%;
    background: radial-gradient(ellipse at center, rgba(37, 99, 235, 0.18) 0%, rgba(99, 102, 241, 0.08) 50%, transparent 70%);
    filter: blur(40px);
    z-index: -1;
    pointer-events: none;
}

.br-desktop {
    display: block;
}

@media (max-width: 768px) {
    .br-desktop {
        display: none;
    }
}

.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.05fr 1.15fr;
    gap: clamp(36px, 5vw, 64px);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: #eff6ff;
    border: 1px solid #dbeafe;
    border-radius: 9999px;
    font-size: 0.82rem;
    font-weight: 600;
    color: #1e40af;
    margin-bottom: 22px;
}

.badge-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.hero-badge a {
    color: var(--primary);
    text-decoration: none;
}

.hero-badge a:hover {
    text-decoration: underline;
}

.hero-title {
    font-size: clamp(2.3rem, 4vw, 3.6rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.04em;
    color: var(--slate-900);
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--slate-600);
    margin-bottom: 30px;
    max-width: 48ch;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.hero-actions .arrow {
    transition: transform 0.2s ease;
}

.hero-actions .btn-primary:hover .arrow {
    transform: translateX(3px);
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    font-size: 0.82rem;
    color: var(--slate-500);
}

.trust-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Mac-Style Window Preview */
.hero-preview {
    margin: 0;
    min-width: 0;
}

.mac-preview-window {
    background: #ffffff;
    border: 1px solid var(--slate-200);
    border-radius: 18px;
    box-shadow: 0 20px 45px -15px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(226, 232, 240, 0.8);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.mac-preview-window:hover {
    transform: translateY(-3px);
}

.mac-bar {
    display: flex;
    align-items: center;
    padding: 12px 18px;
    background: #f8fafc;
    border-bottom: 1px solid var(--slate-200);
    position: relative;
}

.mac-lights {
    display: flex;
    align-items: center;
    gap: 6px;
}

.mac-light {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.mac-light.red { background: #ef4444; }
.mac-light.yellow { background: #f59e0b; }
.mac-light.green { background: #10b981; }

.mac-title {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--slate-600);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.k-mini {
    background: var(--primary);
    color: #fff;
    font-size: 9px;
    font-weight: 800;
    width: 14px;
    height: 14px;
    border-radius: 3px;
    display: inline-grid;
    place-items: center;
}

.mac-panes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 250px;
}

.mac-pane {
    padding: 18px;
}

.mac-pane.source-pane {
    border-right: 1px solid var(--slate-200);
    background: #ffffff;
}

.mac-pane.target-pane {
    background: #fbfcfe;
}

.pane-head {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.pane-role {
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--slate-400);
    letter-spacing: 0.05em;
}

.pane-badge {
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 4px;
    background: #dbeafe;
    color: #1e40af;
    font-weight: 600;
    margin-left: auto;
}

.pane-badge.target {
    background: #e0e7ff;
    color: #4338ca;
}

.pane-path {
    font-size: 0.72rem;
    color: var(--slate-400);
    margin-bottom: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    border-radius: 7px;
    font-size: 0.78rem;
    color: var(--slate-700);
    margin-bottom: 4px;
    transition: background 0.15s ease;
}

.file-row.selected {
    background: #eff6ff;
    color: #1d4ed8;
    font-weight: 600;
    border: 1px solid #bfdbfe;
}

.drag-tag {
    margin-left: auto;
    font-size: 0.65rem;
    background: #2563eb;
    color: #fff;
    padding: 1px 6px;
    border-radius: 4px;
}

.drop-active {
    border: 1.5px dashed #3b82f6;
    background: #eff6ff;
    color: #2563eb;
    font-weight: 600;
    padding: 10px;
    text-align: center;
    justify-content: center;
}

.f-icon {
    width: 14px;
    height: 12px;
    border-radius: 2px;
    flex-shrink: 0;
}

.f-icon.folder { background: #f59e0b; }
.f-icon.pdf { background: #ef4444; }
.f-icon.doc { background: #3b82f6; }

.mac-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: #f1f5f9;
    border-top: 1px solid var(--slate-200);
    font-size: 0.74rem;
    color: var(--slate-600);
}

.pulse-indicator {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.3);
}

figcaption {
    text-align: center;
    font-size: 0.75rem;
    color: var(--slate-500);
    margin-top: 12px;
}

/* ==========================================================================
   Section 1: KDrive là gì? (Luxury Redesign)
   ========================================================================== */
.product-section {
    padding-block: clamp(72px, 8vw, 108px);
    position: relative;
}

/* Gradient Text Accents (No More 1 Màu) */
.text-gradient-blue {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 60%, #4338ca 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-indigo {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-purple {
    background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-emerald {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-amber {
    background: linear-gradient(135deg, #d97706 0%, #ea580c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-cyan {
    background: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Colorful Badge Pills (No More 1 Màu) */
.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 6px 14px;
    border-radius: 9999px;
    margin-bottom: 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.pill-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    display: inline-block;
}

.pill-blue {
    background: #eff6ff;
    color: #1d4ed8;
    border: 1px solid #bfdbfe;
}
.pill-dot.blue {
    background: #2563eb;
    box-shadow: 0 0 6px rgba(37, 99, 235, 0.6);
}

.pill-indigo {
    background: #eef2ff;
    color: #4338ca;
    border: 1px solid #c7d2fe;
}
.pill-dot.indigo {
    background: #4f46e5;
    box-shadow: 0 0 6px rgba(79, 70, 229, 0.6);
}

.pill-purple {
    background: #f5f3ff;
    color: #6d28d9;
    border: 1px solid #ddd6fe;
}
.pill-dot.purple {
    background: #7c3aed;
    box-shadow: 0 0 6px rgba(124, 58, 237, 0.6);
}

.pill-emerald {
    background: #ecfdf5;
    color: #047857;
    border: 1px solid #a7f3d0;
}
.pill-dot.emerald {
    background: #10b981;
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.6);
}

.pill-emerald-dark {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(52, 211, 153, 0.3);
}
.pill-dot.emerald-glow {
    background: #34d399;
    box-shadow: 0 0 8px #34d399;
}

.pill-amber {
    background: #fffbeb;
    color: #b45309;
    border: 1px solid #fde68a;
}
.pill-dot.amber {
    background: #d97706;
    box-shadow: 0 0 6px rgba(217, 119, 6, 0.6);
}

.pill-cyan {
    background: #f0f9ff;
    color: #0369a1;
    border: 1px solid #bae6fd;
}
.pill-dot.cyan {
    background: #0284c7;
    box-shadow: 0 0 6px rgba(2, 132, 199, 0.6);
}

/* Universal Section Headings */
.section-heading {
    margin-bottom: 52px;
}

.section-heading.text-center {
    text-align: center;
    max-width: 760px;
    margin-inline: auto;
}

.section-h2 {
    font-size: clamp(2rem, 3.2vw, 2.75rem);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.035em;
    color: var(--slate-900);
    margin-bottom: 14px;
}

.text-white {
    color: #ffffff !important;
}

.section-desc {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--slate-600);
    margin: 0 auto;
    max-width: 640px;
}

.sec-desc-dark {
    color: #94a3b8 !important;
}

.section-about {
    background: #ffffff;
    border-bottom: 1px solid var(--slate-200);
}

/* ==========================================================================
   Section 1: Bento Grid Architecture (Modern SaaS)
   ========================================================================== */
.bento-about-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
}

.bento-card {
    background: #ffffff;
    border: 1px solid var(--slate-200);
    border-radius: 24px;
    box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
    position: relative;
}

.bento-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 40px -4px rgba(37, 99, 235, 0.12);
    border-color: #bfdbfe;
}

/* Wide Top Card (100% Cloud-to-Cloud) */
.bento-wide {
    grid-column: span 12;
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    align-items: center;
    padding: clamp(28px, 4vw, 44px);
    gap: clamp(28px, 4vw, 48px);
    background: linear-gradient(135deg, #ffffff 0%, #f8faff 100%);
    border: 1px solid #dbeafe;
}

.bento-wide-content {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.bento-tag {
    display: inline-flex;
    align-items: center;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 4px 12px;
    border-radius: 9999px;
    width: fit-content;
}

.tag-blue {
    background: #eff6ff;
    color: #1d4ed8;
    border: 1px solid #bfdbfe;
}

.bento-title {
    font-size: clamp(1.35rem, 2vw, 1.7rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--slate-900);
    line-height: 1.3;
    margin: 0;
}

.bento-desc {
    font-size: 0.94rem;
    line-height: 1.7;
    color: var(--slate-600);
    margin: 0;
}

.bento-stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 10px;
    padding-top: 20px;
    border-top: 1px solid var(--slate-200);
}

.bento-stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-size: 1.45rem;
    font-weight: 800;
    color: #2563eb;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.stat-label {
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--slate-500);
    line-height: 1.35;
}

.bento-wide-visual {
    position: relative;
}

.bento-visual-frame {
    background: #ffffff;
    border: 1px solid var(--slate-200);
    border-radius: 16px;
    box-shadow: 0 12px 32px -8px rgba(15, 23, 42, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.bento-visual-frame:hover {
    transform: translateY(-2px);
}

.frame-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    background: #f8fafc;
    border-bottom: 1px solid var(--slate-200);
}

.frame-title {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--slate-500);
    margin-left: 6px;
}

.bento-visual-frame img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* Bottom Column Cards */
.bento-column {
    grid-column: span 6;
    padding: clamp(28px, 3.5vw, 36px);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.bento-icon-box {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    margin-bottom: 4px;
}

.icon-emerald {
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
}

.icon-purple {
    background: #f5f3ff;
    border: 1px solid #ddd6fe;
}

.bento-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
    padding-top: 14px;
}

.bento-pill {
    font-size: 0.76rem;
    font-weight: 600;
    padding: 4px 11px;
    border-radius: 9999px;
    background: var(--slate-100);
    color: var(--slate-700);
    border: 1px solid var(--slate-200);
}

.creator-credential {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--slate-500);
    flex-wrap: wrap;
}

.cred-brand {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    text-decoration: none !important;
    font-weight: 700;
}

.cred-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #10b981;
}

.cred-link {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--slate-400);
}

.cred-brand:hover .cred-link {
    color: var(--primary);
    text-decoration: underline !important;
}

/* ==========================================================================
   Section 2: Tính năng cốt lõi (Vibrant Multi-Color Art)
   ========================================================================== */
.feature-details {
    background: linear-gradient(180deg, #f8faff 0%, #edf3ff 100%);
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
}

.five-features-luxury {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
}

.five-features-luxury > :nth-child(1),
.five-features-luxury > :nth-child(2),
.five-features-luxury > :nth-child(3) {
    grid-column: span 2;
}

.five-features-luxury > :nth-child(4) {
    grid-column: 2 / span 2;
}

.five-features-luxury > :nth-child(5) {
    grid-column: 4 / span 2;
}

.luxury-feature-card {
    background: #ffffff;
    border: 1px solid var(--slate-200);
    border-top: 3px solid #3b82f6;
    border-radius: 20px;
    padding: 34px 28px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 16px -2px rgba(15, 23, 42, 0.05);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.luxury-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px -4px rgba(37, 99, 235, 0.12);
    border-color: #93c5fd;
}

.luxury-feature-card:nth-child(1) { border-top-color: #2563eb; }
.luxury-feature-card:nth-child(2) { border-top-color: #7c3aed; }
.luxury-feature-card:nth-child(3) { border-top-color: #0284c7; }
.luxury-feature-card:nth-child(4) { border-top-color: #059669; }
.luxury-feature-card:nth-child(5) { border-top-color: #d97706; }

.luxury-featured-highlight {
    background: linear-gradient(180deg, #ffffff 0%, #faf8ff 100%);
    border-color: #c7d2fe;
    box-shadow: 0 8px 24px -2px rgba(99, 102, 241, 0.12);
}

.vector-art {
    margin-bottom: 22px;
    display: inline-flex;
}

.luxury-feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 12px;
}

.luxury-feature-card p {
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--slate-600);
    margin: 0 0 24px;
    flex-grow: 1;
}

.card-footer-tag span {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--slate-600);
    background: var(--slate-100);
    padding: 4px 10px;
    border-radius: 6px;
    letter-spacing: 0.02em;
}

/* ==========================================================================
   Section 3: Dành cho ai? (Vibrant Persona Themes)
   ========================================================================== */
.audience-section {
    background: #ffffff;
    border-bottom: 1px solid var(--slate-200);
}

.audience-grid-luxury {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

.audience-card-luxury {
    background: #ffffff;
    border: 1px solid var(--slate-200);
    border-top: 3px solid #8b5cf6;
    border-radius: 18px;
    padding: 28px 22px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
    transition: all 0.25s ease;
}

.audience-card-luxury:nth-child(1) { border-top-color: #8b5cf6; }
.audience-card-luxury:nth-child(2) { border-top-color: #0284c7; }
.audience-card-luxury:nth-child(3) { border-top-color: #d97706; }
.audience-card-luxury:nth-child(4) { border-top-color: #10b981; }

.audience-card-luxury:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 28px -4px rgba(15, 23, 42, 0.1);
}

.audience-vector {
    margin-bottom: 18px;
    display: inline-flex;
}

.audience-card-luxury h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 10px;
}

.audience-card-luxury p {
    font-size: 0.88rem;
    line-height: 1.65;
    color: var(--slate-600);
    margin: 0 0 18px;
    flex-grow: 1;
}

.audience-badge span {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 9999px;
}

.badge-purple span {
    color: #6d28d9;
    background: #f5f3ff;
    border: 1px solid #ddd6fe;
}

.badge-blue span {
    color: #0369a1;
    background: #f0f9ff;
    border: 1px solid #bae6fd;
}

.badge-amber span {
    color: #b45309;
    background: #fffbeb;
    border: 1px solid #fde68a;
}

.badge-green span {
    color: #047857;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
}

/* ==========================================================================
   Section 4: Bảo mật tuyệt đối (Dark Tech Contrast Security)
   ========================================================================== */
.security-section {
    position: relative;
    background: radial-gradient(circle at 50% -10%, #1e1b4b 0%, #0a0e1a 55%, #050811 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.security-ambient-glow {
    position: absolute;
    top: -120px;
    left: 50%;
    transform: translateX(-50%);
    width: 650px;
    height: 380px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.12) 0%, rgba(99, 102, 241, 0.08) 50%, transparent 70%);
    pointer-events: none;
    filter: blur(50px);
}

.security-grid-luxury {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    position: relative;
    z-index: 2;
}

.security-card-luxury {
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 20px;
    padding: 36px 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    transition: all 0.25s ease;
}

.security-card-luxury:hover {
    background: rgba(255, 255, 255, 0.065);
    border-color: rgba(52, 211, 153, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5), 0 0 24px rgba(52, 211, 153, 0.12);
}

.security-vector {
    margin-bottom: 20px;
    display: inline-flex;
}

.security-card-luxury h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 12px;
}

.security-card-luxury p {
    font-size: 0.92rem;
    line-height: 1.7;
    color: #94a3b8;
    margin: 0 0 20px;
}

.sec-bullets {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 0.86rem;
    font-weight: 500;
    color: #cbd5e1;
}

.sec-bullets li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.sec-check {
    color: #34d399;
    font-weight: 800;
}

/* ==========================================================================
   Section 5: Các gói dịch vụ (Crisp Pricing Canvas)
   ========================================================================== */
.pricing-section {
    background: linear-gradient(180deg, #f8faff 0%, #edf2f7 50%, #f8faff 100%);
    border-top: 1px solid var(--slate-200);
    border-bottom: 1px solid var(--slate-200);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    align-items: stretch;
}

.pricing-card {
    background: #ffffff;
    border: 1px solid var(--slate-200);
    border-top: 4px solid var(--slate-300);
    border-radius: 22px;
    padding: 36px 32px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
    position: relative;
    transition: all 0.25s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 36px -4px rgba(15, 23, 42, 0.12);
}

.pricing-featured {
    background: #ffffff;
    border: 2px solid #2563eb;
    border-top: 4px solid #2563eb;
    box-shadow: 0 20px 45px -10px rgba(37, 99, 235, 0.25);
    transform: scale(1.02);
}

.pricing-featured:hover {
    transform: scale(1.02) translateY(-4px);
    box-shadow: 0 24px 50px -10px rgba(37, 99, 235, 0.32);
}

.pricing-badge {
    position: absolute;
    top: -13px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 9999px;
    letter-spacing: 0.04em;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.45);
    white-space: nowrap;
}

.pricing-card h3 {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--slate-900);
    margin-bottom: 6px;
}

.plan-audience {
    font-size: 0.88rem;
    color: var(--slate-500);
    margin-bottom: 16px;
}

.plan-price-wrap {
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--slate-200);
}

.plan-price {
    font-size: 2.3rem;
    font-weight: 800;
    color: var(--slate-900);
    letter-spacing: -0.04em;
}

.plan-period {
    font-size: 0.9rem;
    color: var(--slate-500);
    font-weight: 500;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex-grow: 1;
}

.plan-features li {
    font-size: 0.9rem;
    color: var(--slate-700);
    display: flex;
    align-items: center;
    gap: 10px;
}

.plan-features li.disabled {
    color: var(--slate-400);
}

.plan-features .check {
    color: #10b981;
    font-weight: 700;
}

.plan-features .cross {
    color: var(--slate-300);
    font-weight: 700;
}

.button-block {
    display: block;
    width: 100%;
    text-align: center;
}

.plan-cta {
    margin-top: auto;
    padding-top: 24px;
}

.btn-plan-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 13px 20px;
    border-radius: 9999px;
    font-size: 0.95rem;
    font-weight: 700;
    text-decoration: none !important;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-plan-cta .cta-arrow {
    display: inline-block;
    transition: transform 0.2s ease;
    font-size: 1.1rem;
    line-height: 1;
}
.btn-plan-cta:hover .cta-arrow {
    transform: translateX(4px);
}

/* 1. Gói Free: Nút xám viền hiện đại, thanh lịch */
.btn-free-cta {
    background: #f8fafc;
    color: #1e293b !important;
    border: 1.5px solid #cbd5e1;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}
.btn-free-cta:hover {
    background: #f1f5f9;
    border-color: #94a3b8;
    color: #0f172a !important;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

/* 2. Gói Pro (Phổ biến nhất): Gradient Xanh rực rỡ, đổ bóng hút mắt */
.btn-pro-cta {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #ffffff !important;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 6px 20px -2px rgba(37, 99, 235, 0.45);
}
.btn-pro-cta:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
    box-shadow: 0 10px 28px -2px rgba(37, 99, 235, 0.6);
    transform: translateY(-2px) scale(1.01);
    color: #ffffff !important;
}

/* 3. Gói Max (Kho lớn): Gradient Vàng Hổ Phách ánh kim sang trọng */
.btn-max-cta {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #ffffff !important;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 6px 20px -2px rgba(245, 158, 11, 0.45);
}
.btn-max-cta:hover {
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
    box-shadow: 0 10px 28px -2px rgba(245, 158, 11, 0.6);
    transform: translateY(-2px) scale(1.01);
    color: #ffffff !important;
}

.plan-unavailable {
    display: block;
    width: 100%;
    text-align: center;
    padding: 11px 18px;
    border-radius: 9999px;
    background: var(--slate-100);
    color: var(--slate-500);
    font-size: 0.88rem;
    font-weight: 600;
    border: 1px solid var(--slate-200);
}

/* ==========================================================================
   Khối USP Showcase & So Sánh Đối Thủ Đột Phá (Modern Contrast Battle Cards)
   ========================================================================== */
.usp-compare-section {
    margin-top: 64px;
}

.usp-compare-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 40px;
}

.usp-section-title {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--slate-900);
    letter-spacing: -0.03em;
    line-height: 1.25;
    margin: 12px 0 8px;
}

.usp-section-desc {
    font-size: 0.98rem;
    color: var(--slate-600);
    line-height: 1.65;
    margin: 0;
}

.usp-cards-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1.15fr;
    gap: 24px;
    align-items: stretch;
}

.usp-card {
    border-radius: 24px;
    padding: 34px 28px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 0.25s ease;
}

.usp-card-manual {
    background: #ffffff;
    border: 1px solid var(--slate-200);
    box-shadow: 0 4px 18px rgba(15, 23, 42, 0.04);
}

.usp-card-competitor {
    background: #ffffff;
    border: 1px solid #fed7aa;
    box-shadow: 0 4px 18px rgba(245, 158, 11, 0.05);
}

.usp-card-hero {
    background: linear-gradient(180deg, #ffffff 0%, #f4f8ff 100%);
    border: 2px solid #2563eb;
    box-shadow: 0 20px 48px -8px rgba(37, 99, 235, 0.24);
    transform: scale(1.02);
    z-index: 2;
}

.hero-top-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 4px 16px;
    border-radius: 9999px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
    white-space: nowrap;
}

.usp-card-top {
    margin-bottom: 8px;
}

.hero-brand-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.hero-by-tag {
    font-size: 0.75rem;
    font-weight: 700;
    color: #2563eb;
    background: #dbeafe;
    padding: 2px 8px;
    border-radius: 4px;
}

.usp-card-pill {
    display: inline-block;
    font-size: 0.74rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 6px;
    margin-bottom: 10px;
}

.pill-muted {
    background: var(--slate-100);
    color: var(--slate-600);
}

.pill-warning {
    background: #fef3c7;
    color: #b45309;
}

.usp-card-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--slate-900);
    margin-bottom: 6px;
    letter-spacing: -0.02em;
}

.text-hero {
    color: #1e3a8a;
}

.usp-card-sub {
    font-size: 0.85rem;
    color: var(--slate-500);
    line-height: 1.5;
    margin-bottom: 0;
}

.text-hero-sub {
    color: #3b82f6;
    font-weight: 500;
}

.usp-price-tag {
    background: var(--slate-50);
    border: 1px solid var(--slate-200);
    border-radius: 14px;
    padding: 14px 18px;
    margin: 18px 0 24px;
}

.hero-price-tag {
    background: #eff6ff;
    border-color: #bfdbfe;
}

.usp-price-val {
    font-size: 1.45rem;
    font-weight: 800;
    display: block;
    color: var(--slate-900);
    line-height: 1.2;
}

.usp-price-val small {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--slate-500);
}

.usp-price-note {
    font-size: 0.78rem;
    color: var(--slate-500);
    margin-top: 4px;
    display: block;
}

.usp-card-list {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex-grow: 1;
}

.usp-card-list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.usp-card-list li strong {
    display: block;
    color: var(--slate-900);
    font-weight: 700;
    font-size: 0.88rem;
    line-height: 1.35;
}

.usp-card-list li span {
    display: block;
    color: var(--slate-500);
    font-size: 0.78rem;
    margin-top: 2px;
    line-height: 1.45;
}

.list-hero li strong {
    color: #1e3a8a;
}

.list-hero li span {
    color: var(--slate-600);
}

.usp-icon {
    width: 22px;
    height: 22px;
    min-width: 22px;
    min-height: 22px;
    flex-shrink: 0;
    margin-top: 1px;
    display: block;
}

.usp-card-footer {
    padding-top: 16px;
    border-top: 1px solid var(--slate-100);
    font-size: 0.82rem;
    color: var(--slate-500);
}

.footer-hero {
    border-top: none;
    padding-top: 4px;
}

.usp-hero-btn {
    display: block;
    width: 100%;
    text-align: center;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #ffffff !important;
    padding: 13px 20px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none !important;
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
    transition: all 0.2s ease;
}

.usp-hero-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(37, 99, 235, 0.45);
}

/* Thanh Metrics 4 Chỉ Số Vàng */
.usp-metrics-ribbon {
    margin-top: 36px;
    background: #ffffff;
    border: 1px solid var(--slate-200);
    border-radius: 20px;
    padding: 24px 36px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 4px 18px rgba(15, 23, 42, 0.04);
}

.usp-metric-item {
    text-align: center;
    flex: 1;
}

.usp-metric-item .metric-val {
    display: block;
    font-size: 1.85rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: #2563eb;
    line-height: 1.1;
    margin-bottom: 4px;
}

.usp-metric-item .metric-lbl {
    display: block;
    font-size: 0.82rem;
    color: var(--slate-500);
    font-weight: 500;
}

.usp-metric-divider {
    width: 1px;
    height: 40px;
    background: var(--slate-200);
}

@media (max-width: 992px) {
    .usp-cards-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .usp-card-hero {
        transform: none;
        order: -1;
    }
    .usp-metrics-ribbon {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        padding: 24px 20px;
    }
    .usp-metric-divider {
        display: none;
    }
}

@media (max-width: 640px) {
    .usp-section-title {
        font-size: 1.45rem;
    }
    .usp-card {
        padding: 26px 20px;
    }
}

/* ==========================================================================
   Section 6: FAQ (Sạch sẽ & Tinh tế)
   ========================================================================== */
.faq-section {
    background: #ffffff;
    border-bottom: 1px solid var(--slate-200);
}

.access-panel {
    display: grid;
    grid-template-columns: 0.85fr 1.45fr;
    gap: 48px;
    align-items: start;
}

.security-intro {
    background: #f8fafc;
    border: 1px solid var(--slate-200);
    border-radius: 20px;
    padding: 34px;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}

.connection-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
}

.connection-diagram span {
    background: #ffffff;
    border: 1px solid var(--slate-200);
    border-radius: 10px;
    padding: 12px 18px;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--slate-800);
    box-shadow: var(--shadow-sm);
}

.connection-diagram b {
    color: var(--primary);
    font-size: 1.2rem;
}

.security-intro h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.security-intro p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--slate-600);
    margin-bottom: 20px;
}

.security-highlights {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--slate-700);
}

.sec-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.sec-item .check {
    color: #10b981;
}

/* FAQ Accordions */
.privacy-faq-groups {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.faq-group-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--slate-100);
}

.privacy-items details {
    border-bottom: 1px solid var(--slate-200);
    padding-block: 16px;
    transition: background 0.15s ease;
}

.privacy-items details:first-child {
    border-top: 1px solid var(--slate-200);
}

.privacy-items summary {
    list-style: none;
    position: relative;
    padding-right: 32px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--slate-800);
    cursor: pointer;
}

.privacy-items summary::-webkit-details-marker {
    display: none;
}

.privacy-items summary::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--slate-400);
}

.privacy-items details[open] summary::after {
    content: '−';
    color: var(--primary);
}

.privacy-items details[open] summary {
    color: var(--primary);
}

.privacy-items p {
    font-size: 0.9rem;
    line-height: 1.75;
    color: var(--slate-600);
    margin: 12px 0 4px;
}

/* ==========================================================================
   Footer (Streamlined Modern SaaS by 2S Digital)
   ========================================================================== */
.site-footer {
    background: #ffffff;
    border-top: 1px solid var(--line);
    padding-top: 64px;
    padding-bottom: 36px;
    color: var(--slate-700);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.25fr 2fr;
    gap: clamp(36px, 5vw, 80px);
    align-items: start;
    padding-bottom: 48px;
}

.footer-brand-col {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-tagline {
    margin-top: 14px;
    margin-bottom: 22px;
    font-size: 0.9rem;
    line-height: 1.65;
    color: var(--slate-500);
    max-width: 32ch;
}

.footer-social {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.social-label {
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--slate-400);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.social-links {
    display: flex;
    align-items: center;
    gap: 10px;
}

.social-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 11px;
    border: 1px solid var(--slate-200);
    background: #ffffff;
    color: var(--slate-600);
    transition: all 0.2s ease;
    text-decoration: none;
}

.social-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-light);
    transform: translateY(-2px);
}

.footer-nav-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(140px, 1fr));
    gap: clamp(30px, 5vw, 60px);
}

.footer-col h4 {
    margin: 0 0 16px;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--slate-900);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col a {
    font-size: 0.9rem;
    color: var(--slate-500);
    text-decoration: none;
    transition: color 0.15s ease;
}

.footer-col a:hover {
    color: var(--primary);
    text-decoration: none;
}

/* Footer Bottom Bar */
.footer-bottom {
    border-top: 1px solid var(--line);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom .copyright {
    margin: 0;
    font-size: 0.82rem;
    color: var(--slate-500);
}

.footer-bottom .copyright a {
    color: var(--slate-800);
    font-weight: 600;
    text-decoration: none;
}

.footer-bottom .copyright a:hover {
    color: var(--primary);
    text-decoration: underline;
}

.footer-badges {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.security-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 11px;
    background: var(--slate-50);
    border: 1px solid var(--slate-200);
    border-radius: 9999px;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--slate-600);
}

.security-badge svg {
    color: var(--primary);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1080px) {
    .nav-links {
        gap: 2px;
    }
    .nav-links a {
        padding: 6px 8px;
        font-size: 0.82rem;
    }
}

@media (max-width: 960px) {
    .nav-links {
        display: none;
    }
    .bento-wide {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .bento-column {
        grid-column: span 12;
    }
    .five-features-luxury {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .five-features-luxury > :nth-child(1),
    .five-features-luxury > :nth-child(2),
    .five-features-luxury > :nth-child(3),
    .five-features-luxury > :nth-child(4) {
        grid-column: span 1;
    }
    .five-features-luxury > :nth-child(5) {
        grid-column: span 2;
        max-width: 500px;
        margin: 0 auto;
        width: 100%;
    }
    .audience-grid-luxury {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .security-grid-luxury {
        grid-template-columns: 1fr;
    }
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    .access-panel {
        grid-template-columns: 1fr;
    }
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .wrap {
        width: calc(100% - 32px);
    }
    .nav {
        min-height: 64px;
    }
    .brand {
        font-size: 1.15rem;
    }
    .brand-sub {
        display: none;
    }
    .btn-ghost {
        display: none;
    }
    .hero-title-centered {
        font-size: 2.1rem;
    }
    .hero-actions-centered {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-actions-centered .btn-primary,
    .hero-actions-centered .btn-secondary {
        width: 100%;
        text-align: center;
    }
    .mac-panes {
        grid-template-columns: 1fr;
    }
    .bento-stats-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .five-features-luxury {
        grid-template-columns: 1fr;
    }
    .five-features-luxury > :nth-child(1),
    .five-features-luxury > :nth-child(2),
    .five-features-luxury > :nth-child(3),
    .five-features-luxury > :nth-child(4),
    .five-features-luxury > :nth-child(5) {
        grid-column: span 1;
        max-width: 100%;
    }
    .audience-grid-luxury {
        grid-template-columns: 1fr;
    }
    .footer-nav-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ==========================================================================
   Dedicated Legal & Company Pages (Terms, Privacy, About 2S Digital)
   Luxury Enterprise Documentation Aesthetic
   ========================================================================== */
.legal-hero {
    padding: clamp(48px, 6vw, 72px) 0 clamp(36px, 4vw, 48px);
    background: radial-gradient(circle at 50% 0%, rgba(37, 99, 235, 0.08) 0%, rgba(99, 102, 241, 0.03) 50%, transparent 70%);
    border-bottom: 1px solid var(--slate-200);
    position: relative;
}

.legal-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--slate-500);
    margin-bottom: 18px;
}

.legal-breadcrumbs a {
    color: var(--primary);
    text-decoration: none !important;
    font-weight: 500;
    transition: color 0.15s ease;
}

.legal-breadcrumbs a:hover {
    color: var(--primary-hover);
    text-decoration: underline !important;
}

.legal-title {
    font-size: clamp(2rem, 3.8vw, 2.85rem);
    font-weight: 800;
    color: var(--slate-900);
    margin-bottom: 16px;
    letter-spacing: -0.035em;
    line-height: 1.18;
}

.legal-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px 18px;
    font-size: 0.85rem;
    color: var(--slate-600);
}

.legal-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: #ffffff;
    color: var(--slate-700);
    border-radius: 9999px;
    font-size: 0.78rem;
    font-weight: 600;
    border: 1px solid var(--slate-200);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.legal-badge svg {
    color: var(--primary);
}

.legal-layout {
    display: grid;
    grid-template-columns: 290px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
    padding: clamp(40px, 5vw, 64px) 0 clamp(64px, 8vw, 108px);
    align-items: start;
}

/* Sticky TOC Sidebar */
.legal-sidebar {
    position: sticky;
    top: 96px;
    background: #ffffff;
    border: 1px solid var(--slate-200);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.04);
}

.legal-sidebar h3 {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--slate-900);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--slate-100);
}

.legal-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.legal-toc-list a {
    display: block;
    font-size: 0.86rem;
    color: var(--slate-600);
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.15s ease;
    line-height: 1.45;
    text-decoration: none !important;
}

.legal-toc-list a:hover {
    color: var(--primary);
    background: var(--primary-light);
    transform: translateX(3px);
}

/* Article Canvas */
.legal-article {
    background: #ffffff;
    border: 1px solid var(--slate-200);
    border-radius: 24px;
    padding: clamp(32px, 5vw, 56px);
    box-shadow: 0 4px 24px -2px rgba(15, 23, 42, 0.04);
}

.legal-section {
    margin-bottom: 44px;
    scroll-margin-top: 104px;
}

.legal-section:last-child {
    margin-bottom: 0;
}

.legal-section h2 {
    font-size: clamp(1.35rem, 2.2vw, 1.65rem);
    font-weight: 800;
    color: var(--slate-900);
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--slate-100);
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: -0.025em;
}

.sec-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 9px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 800;
    flex-shrink: 0;
    border: 1px solid #bfdbfe;
}

.legal-section h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--slate-800);
    margin-top: 24px;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.legal-section p {
    font-size: 0.95rem;
    color: var(--slate-600);
    line-height: 1.75;
    margin-bottom: 16px;
}

.legal-section ul, .legal-section ol {
    margin: 14px 0 20px 20px;
    padding: 0;
    color: var(--slate-600);
    font-size: 0.95rem;
    line-height: 1.75;
}

.legal-section li {
    margin-bottom: 10px;
    padding-left: 4px;
}

.legal-section strong {
    color: var(--slate-900);
}

.legal-section a {
    color: var(--primary);
    text-decoration: underline;
}

.legal-section a:hover {
    color: var(--primary-hover);
}

/* Callout Boxes */
.legal-callout {
    background: #f8fafc;
    border-left: 4px solid var(--primary);
    border-radius: 0 14px 14px 0;
    padding: 20px 24px;
    margin: 22px 0;
    border-top: 1px solid var(--slate-200);
    border-right: 1px solid var(--slate-200);
    border-bottom: 1px solid var(--slate-200);
}

.legal-callout.warning {
    background: #fffbeb;
    border-left-color: #f59e0b;
    border-color: #fde68a;
}

.legal-callout.success {
    background: #f0fdf4;
    border-left-color: #10b981;
    border-color: #bbf7d0;
}

.legal-callout h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 6px;
}

.legal-callout p {
    margin-bottom: 0;
    font-size: 0.92rem;
    color: var(--slate-700);
    line-height: 1.65;
}

.google-policy-box {
    background: linear-gradient(135deg, #f0fdf4 0%, #ffffff 100%);
    border: 1px solid #bbf7d0;
    border-radius: 16px;
    padding: 24px 28px;
    margin: 24px 0;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.05);
}

.google-policy-box h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #166534;
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
}

@media (max-width: 960px) {
    .legal-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .legal-sidebar {
        position: static;
    }
    .legal-article {
        padding: 28px 20px;
    }
}