/* ========================================
   Sentinel Family - Site Web de Presentation
   Application de localisation familiale securisee
   ======================================== */

/* ---- Self-hosted Inter font (RGPD compliant — no Google Fonts) ---- */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url('fonts/inter-latin.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
                   U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122,
                   U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url('fonts/inter-latin-ext.woff2') format('woff2');
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
                   U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF,
                   U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

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

:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --accent: #8b5cf6;
    --red: #ef4444;
    --green: #10b981;
    --orange: #f59e0b;
    --cyan: #06b6d4;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;
    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Scroll Animations
   ======================================== */
.animate-target {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-target.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.features-grid .animate-target:nth-child(2) { transition-delay: 0.1s; }
.features-grid .animate-target:nth-child(3) { transition-delay: 0.2s; }
.features-grid .animate-target:nth-child(4) { transition-delay: 0.3s; }
.features-grid .animate-target:nth-child(5) { transition-delay: 0.4s; }
.features-grid .animate-target:nth-child(6) { transition-delay: 0.5s; }

.screenshots-grid .animate-target:nth-child(2) { transition-delay: 0.1s; }
.screenshots-grid .animate-target:nth-child(3) { transition-delay: 0.2s; }
.screenshots-grid .animate-target:nth-child(4) { transition-delay: 0.3s; }

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.navbar.scrolled {
    padding: 8px 0;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 14px;
    letter-spacing: -0.5px;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-links a {
    text-decoration: none;
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

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

.mobile-menu {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    background: none;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    cursor: pointer;
    width: 44px;
    height: 44px;
    padding: 0;
    -webkit-tap-highlight-color: rgba(59,130,246,0.2);
    touch-action: manipulation;
    position: relative;
    z-index: 10001;
}

.mobile-menu span {
    display: block;
    width: 22px;
    height: 2.5px;
    background: var(--dark);
    border-radius: 2px;
    transition: all 0.3s;
    pointer-events: none;
}

.mobile-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
    border-radius: 12px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.45);
}

.btn-outline {
    border: 2px solid var(--gray-200);
    color: var(--gray-700);
    background: transparent;
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(59, 130, 246, 0.04);
}

.btn-nav {
    background: var(--dark);
    color: white;
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 13px;
}

.btn-nav:hover {
    background: var(--gray-800);
    color: white;
}

/* ========================================
   Badge
   ======================================== */
.badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    background: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(139,92,246,0.1));
    color: var(--primary);
    margin-bottom: 16px;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    padding: 140px 0 80px;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(59,130,246,0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(139,92,246,0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 60% 80%, rgba(16,185,129,0.05) 0%, transparent 60%);
    z-index: 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.1;
    color: var(--dark);
    margin-bottom: 24px;
    letter-spacing: -1.5px;
}

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

.hero-desc {
    font-size: 17px;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-desc strong {
    color: var(--gray-700);
}

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

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
}

.stat-label {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 2px;
}

/* Phone Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
}

.phone-mockup {
    position: relative;
}

.phone-frame {
    width: 280px;
    height: 580px;
    background: var(--dark);
    border-radius: 40px;
    padding: 12px;
    box-shadow:
        0 50px 100px -20px rgba(0,0,0,0.25),
        0 30px 60px -30px rgba(0,0,0,0.3),
        inset 0 0 0 2px rgba(255,255,255,0.1);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--gray-100);
    border-radius: 30px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.phone-screen img,
.phone-screen .mock-screen {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mock-screen {
    display: block;
}

.placeholder-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    height: 100%;
    background: linear-gradient(160deg, #e8f0fe, #f0e8fe);
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 500;
}

.placeholder-icon {
    font-size: 64px;
    line-height: 1;
}

/* ========================================
   Trust Bar
   ======================================== */
.trust-bar {
    padding: 24px 0;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
    border-bottom: 1px solid var(--gray-100);
}

.trust-items {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
}

/* ========================================
   Features Section
   ======================================== */
.features {
    padding: 100px 0;
    background: var(--gray-50);
}

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

.section-header h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -0.5px;
    margin-bottom: 12px;
    line-height: 1.2;
}

.section-header p {
    font-size: 17px;
    color: var(--gray-500);
    line-height: 1.6;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.3s ease;
    border: 1px solid var(--gray-100);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.7;
}

.feature-card p strong {
    color: var(--gray-700);
}

/* ========================================
   Security Section
   ======================================== */
.security {
    padding: 100px 0;
}

.security-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 80px;
    align-items: center;
}

.security-text h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -0.5px;
    margin-bottom: 16px;
}

.security-intro {
    font-size: 16px;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 32px;
}

.security-intro strong {
    color: var(--gray-700);
}

.security-points {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.security-point {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.check-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
    margin-top: 2px;
}

.security-point h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.security-point p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.6;
}

.security-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.shield-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.shield {
    animation: float 6s ease-in-out infinite;
}

.security-badges {
    display: flex;
    gap: 10px;
}

.sec-badge {
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 700;
    background: rgba(59, 130, 246, 0.08);
    color: var(--primary);
    letter-spacing: 0.5px;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* ========================================
   Screenshots Section
   ======================================== */
.screenshots {
    padding: 100px 0;
    background: var(--gray-50);
}

.screenshots-grid {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: 0 24px 20px;
    scrollbar-width: thin;
    scrollbar-color: var(--primary) transparent;
}

.screenshots-grid::-webkit-scrollbar {
    height: 6px;
}

.screenshots-grid::-webkit-scrollbar-track {
    background: transparent;
}

.screenshots-grid::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 3px;
    opacity: 0.5;
}

.screenshot-card {
    text-align: center;
    flex: 0 0 180px;
    scroll-snap-align: start;
}

.screenshot-frame {
    background: var(--dark);
    border-radius: 24px;
    padding: 6px;
    margin-bottom: 12px;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 9/19.5;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.screenshot-card:hover .screenshot-frame {
    transform: translateY(-6px);
}

.screenshot-frame img,
.screenshot-frame .mock-screen {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
}

.screenshot-frame .mock-screen {
    border-radius: 20px;
    display: block;
}

.screenshot-frame .placeholder-screen {
    border-radius: 20px;
    font-size: 13px;
}

.screenshot-card h3 {
    font-size: 13px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 2px;
}

.screenshot-card p {
    font-size: 11px;
    color: var(--gray-500);
    line-height: 1.4;
}

/* ========================================
   How It Works Section
   ======================================== */
.how-it-works {
    padding: 100px 0;
}

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

.step {
    flex: 1;
    max-width: 300px;
    text-align: center;
    padding: 40px 24px;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
    transition: all 0.3s;
}

.step:hover {
    border-color: transparent;
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 20px;
}

.step h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.step p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.6;
}

.step-arrow {
    font-size: 28px;
    color: var(--gray-300);
    flex-shrink: 0;
}

/* ========================================
   Comparison Table Section
   ======================================== */
.comparison {
    padding: 100px 0;
    background: var(--gray-50);
}

.comparison-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    font-size: 14px;
    min-width: 600px;
}

.comparison-table thead {
    background: var(--dark);
    color: var(--white);
}

.comparison-table th {
    padding: 16px 20px;
    text-align: left;
    font-weight: 700;
    font-size: 14px;
    white-space: nowrap;
}

.comparison-table th.highlight-col {
    background: linear-gradient(135deg, var(--primary), var(--accent));
}

.comparison-table td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-600);
}

.comparison-table td.highlight-col {
    background: rgba(59, 130, 246, 0.04);
    color: var(--dark);
    font-weight: 500;
}

.comparison-table tbody tr:hover {
    background: var(--gray-50);
}

.comparison-table tbody tr:hover td.highlight-col {
    background: rgba(59, 130, 246, 0.08);
}

.comparison-table td strong {
    color: var(--primary);
}

.check-yes {
    color: var(--green);
    font-weight: 700;
    font-size: 16px;
}

.check-no {
    color: var(--red);
    font-weight: 700;
    font-size: 16px;
}

/* ========================================
   Pricing Section
   ======================================== */
.pricing {
    padding: 100px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    border: 2px solid var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.pricing-card-popular {
    border-color: var(--primary);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.15);
    transform: scale(1.04);
}

.pricing-card-popular:hover {
    transform: scale(1.04) translateY(-6px);
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.25);
}

.pricing-popular-tag {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    font-size: 12px;
    font-weight: 700;
    padding: 5px 18px;
    border-radius: 100px;
    white-space: nowrap;
    letter-spacing: 0.3px;
}

.pricing-badge-free,
.pricing-badge-family {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 12px;
}

.pricing-badge-free {
    background: rgba(16, 185, 129, 0.1);
    color: var(--green);
}

.pricing-badge-family {
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent);
}

.pricing-card h3 {
    font-size: 20px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 8px;
}

.pricing-price {
    margin-bottom: 8px;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.pricing-amount {
    font-size: 48px;
    font-weight: 900;
    color: var(--dark);
    letter-spacing: -2px;
    line-height: 1;
}

.pricing-period {
    font-size: 15px;
    color: var(--gray-500);
    font-weight: 500;
}

.pricing-desc {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.6;
    margin-bottom: 24px;
    min-height: 44px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 28px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--gray-700);
    line-height: 1.4;
}

.pricing-features li svg {
    flex-shrink: 0;
}

.pricing-btn {
    width: 100%;
    justify-content: center;
    padding: 12px 24px;
}

.pricing-note {
    text-align: center;
    font-size: 14px;
    color: var(--gray-500);
    margin-top: 32px;
    line-height: 1.6;
}

/* Stagger pricing cards */
.pricing-grid .animate-target:nth-child(2) { transition-delay: 0.1s; }
.pricing-grid .animate-target:nth-child(3) { transition-delay: 0.2s; }

/* ========================================
   FAQ Section
   ======================================== */
.faq {
    padding: 100px 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: var(--gray-200);
}

.faq-item[open] {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.08);
}

.faq-item summary {
    padding: 20px 24px;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    user-select: none;
    -webkit-user-select: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::marker {
    display: none;
    content: '';
}

.faq-item summary h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
    line-height: 1.4;
    flex: 1;
}

.faq-icon {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    background: var(--gray-50);
    flex-shrink: 0;
    position: relative;
    transition: all 0.3s;
}

.faq-icon::before,
.faq-icon::after {
    content: '';
    position: absolute;
    background: var(--gray-500);
    border-radius: 1px;
    transition: all 0.3s;
}

.faq-icon::before {
    width: 12px;
    height: 2px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.faq-icon::after {
    width: 2px;
    height: 12px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.faq-item[open] .faq-icon {
    background: rgba(59, 130, 246, 0.1);
}

.faq-item[open] .faq-icon::before {
    background: var(--primary);
}

.faq-item[open] .faq-icon::after {
    background: var(--primary);
    transform: translate(-50%, -50%) rotate(90deg);
    opacity: 0;
}

.faq-answer {
    padding: 0 24px 20px;
}

.faq-answer p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.7;
}

.faq-answer p strong {
    color: var(--gray-700);
}

/* ========================================
   Download Section
   ======================================== */
.download {
    padding: 100px 0;
    background: var(--gray-50);
}

.download-card {
    text-align: center;
    padding: 80px 40px;
    background: linear-gradient(135deg, var(--dark), var(--dark-light));
    border-radius: 24px;
    color: white;
    position: relative;
    overflow: hidden;
}

.download-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 0%, rgba(59,130,246,0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 100%, rgba(139,92,246,0.15) 0%, transparent 60%);
}

.download-card > * {
    position: relative;
    z-index: 1;
}

.download-card h2 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.download-card > p {
    font-size: 17px;
    color: var(--gray-400);
    max-width: 540px;
    margin: 0 auto 32px;
    line-height: 1.6;
}

.download-actions {
    margin-bottom: 16px;
}

.download-note {
    font-size: 13px;
    color: var(--gray-500);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: 60px 0 24px;
    background: var(--dark);
    color: var(--gray-400);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand p {
    margin-top: 16px;
    font-size: 14px;
    line-height: 1.7;
    max-width: 300px;
}

.footer-brand .logo-text {
    color: var(--white);
}

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

.footer-links h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
}

.footer-links a {
    font-size: 13px;
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.2s;
    line-height: 1.4;
}

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

.footer-small {
    font-size: 12px;
    color: var(--gray-600);
    margin-top: 4px;
}

.footer-bottom {
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--gray-600);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .hero-text h1 {
        font-size: 44px;
    }

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

    .screenshots-grid {
        gap: 18px;
    }

    .screenshot-card {
        flex: 0 0 160px;
    }

    .security-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .security-visual {
        order: -1;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }

    .nav-links {
        gap: 20px;
    }

    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    .pricing-card-popular {
        transform: scale(1.02);
    }

    .pricing-card-popular:hover {
        transform: scale(1.02) translateY(-6px);
    }
}

@media (max-width: 768px) {
    .navbar {
        position: fixed;
    }

    .nav-content {
        position: relative;
    }

    .nav-links {
        display: none !important;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100vw;
        background: #fff;
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        box-shadow: 0 10px 40px rgba(0,0,0,0.15);
        border-top: 1px solid #e5e7eb;
        z-index: 9999;
    }

    .nav-links.active {
        display: flex !important;
    }

    .mobile-menu {
        display: flex;
        z-index: 10000;
    }

    .hero {
        padding: 120px 0 60px;
        min-height: auto;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 34px;
    }

    .hero-desc {
        margin: 0 auto 32px;
    }

    .hero-actions {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .phone-frame {
        width: 220px;
        height: 460px;
        border-radius: 32px;
    }

    .phone-screen {
        border-radius: 24px;
    }

    .section-header h2 {
        font-size: 28px;
    }

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

    .security-text h2 {
        font-size: 28px;
    }

    .screenshots-grid {
        gap: 14px;
        padding: 0 16px 16px;
    }

    .screenshot-card {
        flex: 0 0 150px;
    }

    .steps {
        flex-direction: column;
    }

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

    .step {
        max-width: 100%;
        width: 100%;
    }

    .download-card {
        padding: 48px 24px;
    }

    .download-card h2 {
        font-size: 28px;
    }

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

    .pricing-card-popular {
        transform: none;
    }

    .pricing-card-popular:hover {
        transform: translateY(-6px);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .trust-items {
        gap: 24px;
    }

    .trust-item span {
        font-size: 13px;
    }

    .comparison-table {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 28px;
    }

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

    .screenshots-grid {
        gap: 12px;
        padding: 0 12px 12px;
        margin: 0 auto;
    }

    .btn-lg {
        padding: 12px 24px;
        font-size: 15px;
    }

    .trust-items {
        flex-direction: column;
        gap: 16px;
    }

    .faq-item summary {
        padding: 16px 18px;
    }

    .faq-item summary h3 {
        font-size: 14px;
    }

    .faq-answer {
        padding: 0 18px 16px;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .navbar, .mobile-menu, .hero-visual, .security-visual,
    .download-actions, .btn, .shield, .trust-bar {
        display: none !important;
    }

    body {
        color: #000;
        background: #fff;
    }

    .hero {
        min-height: auto;
        padding: 20px 0;
    }

    .section-header h2 {
        font-size: 24px;
    }
}
