* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --accent: #06b6d4;
    --verifactu: #10b981;
    --verifactu-light: #d1fae5;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
    --shadow-lg: 0 10px 25px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.04);
    --shadow-xl: 0 20px 40px -5px rgba(0,0,0,.1), 0 8px 10px -6px rgba(0,0,0,.04);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--gray-800);
    background: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ======================== SCROLL ANIMATIONS ======================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* ======================== NAVBAR ======================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255,255,255,.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: box-shadow 0.3s;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--gray-900);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 4px;
}

.logo span {
    color: var(--primary);
}

.logo img {
    height: 120px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 8px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    font-size: .9rem;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all .2s;
}

.nav-links a:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.nav-links a.active {
    color: var(--primary);
    font-weight: 600;
    background: var(--primary-light);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--gray-700);
    cursor: pointer;
    padding: 8px;
}

/* ======================== HERO ======================== */
.hero {
    padding: 160px 0 100px;
    text-align: center;
    background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 30%, #ffffff 70%, #f8fafc 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37,99,235,.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(6,182,212,.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    background: var(--verifactu-light);
    color: var(--verifactu);
    font-size: .8rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 24px;
    animation: fadeInDown 0.6s ease;
}

.hero-badge i {
    font-size: .75rem;
}

.hero-logo {
    margin-bottom: 24px;
    animation: fadeInDown 0.8s ease;
}

.hero-logo img {
    height: 320px;
    width: auto;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.12;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease;
}

.hero h1 span {
    color: var(--primary);
    position: relative;
}

.hero p {
    font-size: 1.15rem;
    color: var(--gray-500);
    max-width: 640px;
    margin: 0 auto 40px;
    animation: fadeInUp 0.8s ease 0.1s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-top: 60px;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-stat {
    text-align: center;
}

.hero-stat .number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

.hero-stat .label {
    font-size: .85rem;
    color: var(--gray-500);
}

/* ======================== BUTTONS ======================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: .95rem;
    text-decoration: none;
    transition: all .25s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(37,99,235,.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37,99,235,.4);
}

.btn-secondary {
    background: #fff;
    color: var(--gray-700);
    border: 1.5px solid var(--gray-200);
}

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

.btn-verifactu {
    background: var(--verifactu);
    color: #fff;
    box-shadow: 0 4px 14px rgba(16,185,129,.3);
}

.btn-verifactu:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16,185,129,.4);
}

/* ======================== SECTION HEADERS ======================== */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.badge {
    display: inline-block;
    padding: 5px 16px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: .8rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 14px;
}

.badge-verifactu {
    background: var(--verifactu-light);
    color: var(--verifactu);
}

.section-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 700;
    margin-bottom: 12px;
}

.section-header h2 span {
    color: var(--primary);
}

.section-header p {
    color: var(--gray-500);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ======================== APPS CARDS (INDEX) ======================== */
.apps {
    padding: 100px 0;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}

.app-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 36px 32px;
    border: 1.5px solid var(--gray-200);
    transition: all .3s;
    position: relative;
    overflow: hidden;
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s;
}

.app-card:hover::before {
    transform: scaleX(1);
}

.app-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-xl);
    transform: translateY(-6px);
}

.app-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.app-card-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: #fff;
    flex-shrink: 0;
}

.app-card-icon.host {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
}

.app-card-icon.tien {
    background: linear-gradient(135deg, #7c3aed, #8b5cf6);
}

.app-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.app-card .app-subtitle {
    font-size: .85rem;
    color: var(--gray-500);
}

.app-card p {
    font-size: .92rem;
    color: var(--gray-600);
    margin-bottom: 20px;
    line-height: 1.7;
}

.app-card-price {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 20px;
}

.app-card-price .amount {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--gray-900);
}

.app-card-price .period {
    font-size: .95rem;
    color: var(--gray-500);
}

.app-card-features {
    list-style: none;
    margin-bottom: 24px;
}

.app-card-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 0;
    font-size: .9rem;
    color: var(--gray-600);
}

.app-card-features li i {
    color: var(--primary);
    font-size: .75rem;
    width: 18px;
    text-align: center;
}

.verifactu-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--verifactu-light);
    color: var(--verifactu);
    font-size: .78rem;
    font-weight: 600;
    border-radius: 8px;
    margin-bottom: 24px;
}

.verifactu-tag i {
    font-size: .7rem;
}

/* ======================== VERIFACTU SECTION ======================== */
.verifactu {
    padding: 100px 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.verifactu::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(16,185,129,.15) 0%, transparent 70%);
    pointer-events: none;
}

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

.verifactu-text h2 {
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    font-weight: 700;
    margin-bottom: 20px;
}

.verifactu-text h2 span {
    color: var(--verifactu);
}

.verifactu-text p {
    color: var(--gray-400);
    font-size: 1rem;
    margin-bottom: 16px;
    line-height: 1.8;
}

.verifactu-features {
    list-style: none;
    margin-bottom: 32px;
}

.verifactu-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-size: .95rem;
    color: var(--gray-300);
}

.verifactu-features li i {
    color: var(--verifactu);
    font-size: .85rem;
}

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

.verifactu-icon-large {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(16,185,129,.2), rgba(16,185,129,.05));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: var(--verifactu);
    border: 2px solid rgba(16,185,129,.3);
    animation: pulse-glow 3s ease-in-out infinite;
}

/* ======================== DEVELOPMENT SECTION ======================== */
.development {
    padding: 100px 0;
    background: var(--gray-50);
}

.dev-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 28px;
}

.dev-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 32px 28px;
    border: 1px solid var(--gray-200);
    text-align: center;
    transition: all .3s;
}

.dev-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.dev-card-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 18px;
}

.dev-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.dev-card p {
    font-size: .88rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ======================== BENEFITS ======================== */
.benefits {
    padding: 100px 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
}

.benefit-card {
    text-align: center;
    padding: 36px 24px;
    border-radius: var(--radius);
    background: #fff;
    border: 1px solid var(--gray-200);
    transition: all .3s;
}

.benefit-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.benefit-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin: 0 auto 16px;
    transition: all .3s;
}

.benefit-card:hover .benefit-icon {
    background: var(--primary);
    color: #fff;
    transform: scale(1.1);
}

.benefit-card h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.benefit-card p {
    font-size: .88rem;
    color: var(--gray-500);
}

/* ======================== CTA SECTION ======================== */
.cta {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, var(--primary) 0%, #1d4ed8 100%);
    color: #fff;
}

.cta h2 {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.cta p {
    font-size: 1.05rem;
    opacity: .85;
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta .btn {
    background: #fff;
    color: var(--primary);
    font-weight: 700;
}

.cta .btn:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

/* ======================== PAGE HEADER (SUBPAGES) ======================== */
.page-header {
    padding: 140px 0 60px;
    text-align: center;
    background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 30%, #ffffff 100%);
    position: relative;
}

.page-header h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--gray-900);
}

.page-header h1 span {
    color: var(--primary);
}

.page-header p {
    color: var(--gray-500);
    margin-top: 12px;
    font-size: 1.1rem;
}

/* ======================== APP DETAIL PAGE ======================== */
.app-detail {
    padding: 80px 0;
}

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

.app-detail-text h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.app-detail-text h2 span {
    color: var(--primary);
}

.app-detail-text > p {
    color: var(--gray-600);
    font-size: 1rem;
    margin-bottom: 24px;
    line-height: 1.8;
}

.app-features-list {
    list-style: none;
    margin-bottom: 32px;
}

.app-features-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    font-size: .95rem;
    color: var(--gray-600);
}

.app-features-list li i {
    color: var(--primary);
    font-size: .8rem;
    margin-top: 5px;
    flex-shrink: 0;
}

.app-price-box {
    background: var(--gray-50);
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 28px;
}

.app-price-box .price-row {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 8px;
}

.app-price-box .price-amount {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--gray-900);
}

.app-price-box .price-period {
    font-size: 1rem;
    color: var(--gray-500);
}

.app-price-box .price-desc {
    font-size: .88rem;
    color: var(--gray-500);
    margin-bottom: 16px;
}

.app-price-box .btn {
    width: 100%;
    justify-content: center;
}

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

.app-visual-circle {
    width: 320px;
    height: 320px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: #fff;
    position: relative;
}

.app-visual-circle.host {
    background: linear-gradient(135deg, rgba(37,99,235,.15), rgba(37,99,235,.05));
    border: 2px solid rgba(37,99,235,.2);
}

.app-visual-circle.host i {
    color: var(--primary);
}

.app-visual-circle.tien {
    background: linear-gradient(135deg, rgba(124,58,237,.15), rgba(124,58,237,.05));
    border: 2px solid rgba(124,58,237,.2);
}

.app-visual-circle.tien i {
    color: #7c3aed;
}

/* App detail features grid */
.app-detail-features {
    padding: 80px 0;
    background: var(--gray-50);
}

.features-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.feature-detail-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 28px 24px;
    border: 1px solid var(--gray-200);
    transition: all .3s;
}

.feature-detail-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.feature-detail-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin-bottom: 14px;
}

.feature-detail-card h3 {
    font-size: 1rem;
    margin-bottom: 6px;
}

.feature-detail-card p {
    font-size: .85rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ======================== DEVELOPMENT PAGE ======================== */
.dev-process {
    padding: 80px 0;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 1.3rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
}

.process-step h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.process-step p {
    font-size: .88rem;
    color: var(--gray-500);
}

.tech-section {
    padding: 80px 0;
    background: var(--gray-50);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 20px;
    max-width: 700px;
    margin: 0 auto;
}

.tech-item {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    padding: 20px 16px;
    text-align: center;
    transition: all .3s;
}

.tech-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.tech-item i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 10px;
    display: block;
}

.tech-item span {
    font-size: .85rem;
    font-weight: 600;
    color: var(--gray-700);
}

/* ======================== FAQ ======================== */
.faq {
    padding: 80px 0;
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: box-shadow .3s;
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    padding: 20px 24px;
    font-weight: 600;
    font-size: .95rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color .2s;
    user-select: none;
}

.faq-question:hover {
    color: var(--primary);
}

.faq-question i {
    transition: transform .3s;
    font-size: .8rem;
    color: var(--gray-400);
}

.faq-item.open .faq-question i {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    padding: 0 24px;
    overflow: hidden;
    transition: all .3s;
    color: var(--gray-500);
    font-size: .9rem;
    line-height: 1.8;
}

.faq-item.open .faq-answer {
    max-height: 300px;
    padding: 0 24px 20px;
}

/* ======================== CONTACT ======================== */
.contact {
    padding: 80px 0;
    background: var(--gray-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.info-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    transition: all .3s;
}

.info-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.info-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin: 0 auto 12px;
}

.info-card h3 {
    font-size: .95rem;
    margin-bottom: 4px;
}

.info-card p {
    font-size: .85rem;
    color: var(--gray-500);
}

.contact-form-card {
    background: #fff;
    padding: 36px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
}

.contact-form-card h3 {
    font-size: 1.2rem;
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 14px;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 13px 18px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: .9rem;
    outline: none;
    transition: all .2s;
    background: var(--gray-50);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}

.contact-form textarea {
    margin-bottom: 16px;
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    width: 100%;
    justify-content: center;
}

/* ======================== FOOTER ======================== */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 56px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 48px;
    padding-bottom: 40px;
}

.footer-brand .logo {
    color: #fff;
}

.footer-brand .logo img {
    height: 160px;
}

.footer-brand > p {
    margin-top: 12px;
    font-size: .9rem;
    color: var(--gray-400);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.footer-links h4 {
    color: #fff;
    font-size: .9rem;
    margin-bottom: 14px;
}

.footer-links a {
    display: block;
    color: var(--gray-400);
    text-decoration: none;
    font-size: .85rem;
    margin-bottom: 10px;
    transition: color .2s;
}

.footer-links a:hover {
    color: #fff;
}

.social {
    display: flex;
    gap: 10px;
    margin-top: 12px;
}

.social a {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background: var(--gray-700);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .9rem;
    margin-bottom: 0;
    transition: all .2s;
}

.social a:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding: 18px 0;
    text-align: center;
    font-size: .8rem;
    color: var(--gray-500);
}

/* ======================== ANIMATIONS ======================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(16,185,129,.2);
    }
    50% {
        box-shadow: 0 0 40px rgba(16,185,129,.35);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* ======================== RESPONSIVE ======================== */
@media (max-width: 900px) {
    .app-detail-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .verifactu-features li {
        justify-content: center;
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        flex-direction: column;
        background: #fff;
        border-bottom: 1px solid var(--gray-200);
        padding: 16px 24px;
        gap: 8px;
        box-shadow: var(--shadow-md);
    }

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

    .menu-toggle {
        display: block;
    }

    .hero {
        padding: 130px 0 60px;
    }

    .hero-stats {
        gap: 24px;
    }

    .hero-stat .number {
        font-size: 1.5rem;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

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

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

    .app-visual-circle {
        width: 240px;
        height: 240px;
        font-size: 4rem;
    }

    .verifactu-icon-large {
        width: 140px;
        height: 140px;
        font-size: 3.5rem;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

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

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