/* ============================================
   24Software - Main Styles
   Modern, Dark-Themed Corporate Website
   ============================================ */

/* CSS Variables */
:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a24;
    --bg-card: #16161f;
    --bg-card-hover: #1e1e2a;

    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6a6a7a;

    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);

    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);

    --glow-primary: rgba(99, 102, 241, 0.4);
    --glow-secondary: rgba(139, 92, 246, 0.3);

    /* Spacing */
    --container-max: 1200px;
    --section-spacing: 120px;
    --element-spacing: 24px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition-normal);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

/* Logo */
.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo-accent {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.nav {
    margin: 0 40px;
    flex: 1;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-switcher:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-hover);
}

.lang-flag {
    width: 20px;
    height: 14px;
    border-radius: 2px;
    object-fit: cover;
    display: block;
}

.lang-flag-current {
    opacity: 1;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.lang-flag-other {
    opacity: 0.4;
    transition: opacity var(--transition-fast);
}

.lang-switcher:hover .lang-flag-other {
    opacity: 0.7;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.btn-icon {
    flex-shrink: 0;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--text-primary);
    box-shadow: 0 4px 16px var(--glow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--glow-primary);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--border-hover);
}

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

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-primary);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    overflow: hidden;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 540px;
    position: relative;
    z-index: 10;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    position: relative;
    z-index: 10;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-mockup {
    position: relative;
    width: 320px;
    height: 640px;
}

.mockup-device {
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, #1a1a24 0%, #0a0a0f 100%);
    border-radius: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 50px 100px -20px rgba(0, 0, 0, 0.8),
        0 30px 60px -30px rgba(0, 0, 0, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    padding: 12px;
    position: relative;
    z-index: 2;
}

.mockup-screen {
    width: 100%;
    height: 100%;
    background: var(--bg-secondary);
    border-radius: 32px;
    overflow: hidden;
}

.mockup-content {
    padding: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.mockup-header {
    width: 60%;
    height: 24px;
    background: var(--accent-gradient);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.mockup-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mockup-card {
    height: 80px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    animation: pulse 3s ease-in-out infinite;
}

.mockup-card:nth-child(2) {
    animation-delay: 0.5s;
}

.mockup-card:nth-child(3) {
    animation-delay: 1s;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
    }
}

/* Hero Glow Effects */
.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    z-index: 1;
    pointer-events: none;
}

.hero-glow-1 {
    width: 300px;
    height: 300px;
    background: var(--accent-primary);
    top: -100px;
    right: -100px;
}

.hero-glow-2 {
    width: 200px;
    height: 200px;
    background: var(--accent-secondary);
    bottom: -50px;
    left: -50px;
}

/* Hero Background */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-gradient {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
}

.hero-gradient-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-primary);
    top: -200px;
    right: -200px;
}

.hero-gradient-2 {
    width: 500px;
    height: 500px;
    background: var(--accent-secondary);
    bottom: -150px;
    left: -150px;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: var(--section-spacing) 0;
    position: relative;
}

.section-light {
    background: var(--bg-secondary);
}

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

.section-ecosystem {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.section-cta-inline {
    text-align: center;
    margin-top: 48px;
}

/* ============================================
   FEATURES GRID
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition-normal);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    color: var(--text-primary);
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-description {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

/* ============================================
   APPS GRID
   ============================================ */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.app-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.app-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.app-card-inner {
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.app-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    overflow: hidden;
    background: transparent;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.app-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.app-icon svg {
    width: 32px;
    height: 32px;
}

/* Rio VPN Icon - still uses SVG */
.app-icon-vpn {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.app-icon-vpn svg {
    color: white;
}

.app-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    align-self: flex-start;
}

.app-title {
    font-size: 20px;
    font-weight: 600;
}

.app-description {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    flex: 1;
}

.app-stores {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.store-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.store-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-hover);
}

.store-apple:hover {
    border-color: var(--accent-primary);
}

.store-google:hover {
    border-color: var(--accent-secondary);
}

/* ============================================
   WHY GRID
   ============================================ */
.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.why-item {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.why-number {
    font-size: 48px;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.why-title {
    font-size: 20px;
    font-weight: 600;
}

.why-description {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

/* ============================================
   ECOSYSTEM GRID
   ============================================ */
.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.ecosystem-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px 16px;
    text-align: center;
    transition: all var(--transition-normal);
    text-decoration: none;
    color: inherit;
    display: block;
}

.ecosystem-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
    color: inherit;
}

.ecosystem-card.ecosystem-main {
    background: var(--accent-gradient);
    border-color: transparent;
}

.ecosystem-logo {
    margin-bottom: 16px;
}

.ecosystem-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

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

.ecosystem-card.ecosystem-main .ecosystem-accent {
    color: var(--text-primary);
}

.ecosystem-desc {
    color: var(--text-secondary);
    font-size: 13px;
}

.ecosystem-card.ecosystem-main .ecosystem-desc {
    color: rgba(255, 255, 255, 0.9);
}

/* ============================================
   STORE PROFILES
   ============================================ */
.store-profiles {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 48px;
}

.store-profiles-content {
    flex: 1;
}

.store-profiles-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
}

.store-profiles-desc {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
}

.store-profiles-links {
    display: flex;
    gap: 16px;
}

.store-profile-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.store-profile-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.store-profile-apple:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 8px 24px var(--glow-primary);
}

.store-profile-google:hover {
    border-color: var(--accent-secondary);
    box-shadow: 0 8px 24px var(--glow-secondary);
}

/* ============================================
   CTA SECTION
   ============================================ */
.section-cta {
    background: var(--bg-secondary);
}

.cta-box {
    background: var(--accent-gradient);
    border-radius: var(--radius-xl);
    padding: 64px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.cta-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.cta-description {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.cta-actions .btn-primary {
    background: var(--text-primary);
    color: var(--accent-primary);
}

.cta-actions .btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--text-primary);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 64px 0 32px;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo {
    align-self: flex-start;
}

.footer-desc {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
}

.footer-group {
    color: var(--text-muted);
    font-size: 13px;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-nav-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-nav-list a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-fast);
}

.footer-nav-list a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 13px;
    text-align: center;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   APP SHOWCASE - Phone Mockups
   ============================================ */
.section-showcase {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    padding: 80px 0 100px;
    position: relative;
    overflow: hidden;
}

.section-showcase::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--glow-primary) 0%, transparent 70%);
    opacity: 0.15;
    pointer-events: none;
}

.showcase-header {
    text-align: center;
    margin-bottom: 60px;
}

.showcase-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.12);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(99, 102, 241, 0.2);
    margin-bottom: 16px;
}

.showcase-title {
    font-size: 36px;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.showcase-description {
    font-size: 18px;
    color: var(--text-secondary);
}

/* Phone Mockups Container */
.phone-mockups {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 40px;
    margin-bottom: 48px;
    position: relative;
    z-index: 1;
}

/* Individual Phone Mockup */
.phone-mockup {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

/* iPhone Frame */
.phone-mockup-iphone .phone-frame {
    width: 280px;
    height: 580px;
    background: linear-gradient(145deg, #2a2a3a 0%, #1a1a24 50%, #0f0f18 100%);
    border-radius: 44px;
    border: 3px solid rgba(255, 255, 255, 0.12);
    padding: 12px;
    position: relative;
    box-shadow:
        0 50px 100px -20px rgba(0, 0, 0, 0.7),
        0 30px 60px -30px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        0 0 0 1px rgba(0, 0, 0, 0.3);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.phone-mockup-iphone .phone-frame:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow:
        0 60px 120px -20px rgba(0, 0, 0, 0.8),
        0 40px 80px -30px rgba(99, 102, 241, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.15),
        0 0 0 1px rgba(0, 0, 0, 0.3);
}

/* iPhone Notch (Dynamic Island) */
.phone-notch {
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 28px;
    background: #000;
    border-radius: 20px;
    z-index: 10;
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.5);
}

/* Android Frame */
.phone-mockup-android .phone-frame {
    width: 270px;
    height: 565px;
    background: linear-gradient(145deg, #2a2a3a 0%, #1a1a24 50%, #0f0f18 100%);
    border-radius: 36px;
    border: 3px solid rgba(255, 255, 255, 0.10);
    padding: 10px;
    position: relative;
    box-shadow:
        0 50px 100px -20px rgba(0, 0, 0, 0.7),
        0 30px 60px -30px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        0 0 0 1px rgba(0, 0, 0, 0.3);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.phone-mockup-android .phone-frame:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow:
        0 60px 120px -20px rgba(0, 0, 0, 0.8),
        0 40px 80px -30px rgba(139, 92, 246, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.12),
        0 0 0 1px rgba(0, 0, 0, 0.3);
}

/* Android Camera (punch hole) */
.phone-camera {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 14px;
    height: 14px;
    background: #000;
    border-radius: 50%;
    z-index: 10;
    box-shadow: 0 0 0 2px rgba(30, 30, 40, 0.8), 0 0 0 3px rgba(0, 0, 0, 0.5);
}

/* Phone Screen */
.phone-screen {
    width: 100%;
    height: 100%;
    border-radius: 34px;
    overflow: hidden;
    background: #000;
}

.phone-mockup-android .phone-screen {
    border-radius: 28px;
}

.phone-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Phone Label */
.phone-label {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
}

.phone-label svg {
    opacity: 0.6;
}

/* Showcase Actions */
.showcase-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ============================================
   PAGE HEADER (shared across sub-pages)
   ============================================ */
.page-header {
    padding: 160px 0 80px;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.page-header-content {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.page-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
}

.page-description {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   APPS FILTER
   ============================================ */
.apps-filter {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: var(--text-primary);
}

.apps-grid-full {
    grid-template-columns: repeat(3, 1fr);
}

.app-features {
    list-style: none;
    margin: 16px 0;
    padding: 0;
}

.app-features li {
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
    font-size: 13px;
    color: var(--text-secondary);
}

.app-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--accent-primary);
    border-radius: 50%;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   SKIP NAVIGATION
   ============================================ */
.skip-nav {
    position: absolute;
    top: -100%;
    left: 16px;
    z-index: 10000;
    padding: 12px 24px;
    background: var(--accent-gradient);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: top var(--transition-fast);
}

.skip-nav:focus {
    top: 16px;
}

/* ============================================
   RESPONSIVE - Page Header
   ============================================ */
@media (max-width: 992px) {
    .apps-grid-full {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 140px 0 60px;
    }

    .page-title {
        font-size: 32px;
    }
}