:root {
    --primary: #3b82f6;
    --primary-dark: #1d4ed8;
    --secondary: #10b981;
    --bg-dark: #0f172a;
    --bg-light: #f8fafc;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --white: #ffffff;
    --glass: rgba(255, 255, 255, 0.8);
    --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--white);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    letter-spacing: -0.01em;
}

h1,
h2,
h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
}

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

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 28px;
    border-radius: 99px;
    font-weight: 700;
    font-size: 15px;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: 'Outfit', sans-serif;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: var(--white) !important;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
    background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
    color: #000 !important;
}

.btn-outline {
    background: transparent;
    border: 2px solid #e2e8f0;
    color: var(--text-dark);
}

.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.05);
    color: var(--primary);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 18px;
}

/* Update Bar */
.update-bar {
    background: var(--bg-dark);
    color: var(--white);
    padding: 10px 0;
    font-size: 13px;
    font-weight: 600;
}

.update-bar .container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pulse {
    width: 8px;
    height: 8px;
    background: var(--secondary);
    border-radius: 50%;
    animation: pulse-anim 2s infinite;
}

@keyframes pulse-anim {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.5);
        opacity: 0.5;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Navbar */
.navbar {
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--glass);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    padding: 100px 0;
    background: radial-gradient(circle at 90% 10%, rgba(59, 130, 246, 0.1), transparent 40%),
        radial-gradient(circle at 10% 90%, rgba(16, 185, 129, 0.1), transparent 40%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 64px;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-content p {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 500px;
}

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

.trust-badges {
    display: flex;
    gap: 24px;
}

.badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-dark);
}

.badge .icon {
    font-size: 20px;
}

/* Phone Mockup */
.phone-mockup {
    width: 320px;
    height: 640px;
    background: var(--bg-dark);
    border-radius: 40px;
    padding: 12px;
    margin: 0 auto;
    position: relative;
    box-shadow: 0 50px 100px -20px rgba(0, 0, 0, 0.3);
}

.phone-mockup .screen {
    width: 100%;
    height: 100%;
    background: #fff;
    border-radius: 30px;
    overflow: hidden;
    position: relative;
}

.app-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.reading-mockup {
    transform: rotate(5deg);
}

/* Dynamic Updates Section */
.dynamic-updates {
    padding: 120px 0;
    background: var(--bg-light);
}

.section-header {
    max-width: 700px;
    margin: 0 auto 80px;
}

.section-header h2 {
    font-size: 48px;
    margin-bottom: 20px;
}

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

.update-card {
    background: var(--white);
    padding: 40px;
    border-radius: 32px;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.update-card.has-img {
    padding-bottom: 0;
    overflow: hidden;
}

.update-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
}

.update-card p {
    color: var(--text-light);
    margin-bottom: 24px;
}

.card-img-wrapper {
    margin-top: auto;
    width: 100%;
    display: flex;
    justify-content: center;
    padding-top: 10px;
}

.card-img {
    width: 90%;
    height: auto;
    border-radius: 20px 20px 0 0;
    box-shadow: 0 -10px 40px -10px rgba(0, 0, 0, 0.1);
    transform: translateY(20px);
    transition: var(--transition);
}

.update-card:hover .card-img {
    transform: translateY(10px);
}

.update-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
}

.update-card.highlight {
    background: var(--bg-dark);
    color: var(--white);
}

.update-icon {
    font-size: 40px;
    margin-bottom: 24px;
}

.update-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
}

.update-card p {
    color: var(--text-light);
}

.update-card.highlight p {
    color: #94a3b8;
}

/* Experience Section */
.experience {
    padding: 120px 0;
}

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

.exp-content h2 {
    font-size: 48px;
    margin-bottom: 24px;
}

.check-list {
    list-style: none;
    margin-top: 32px;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-weight: 600;
}

.check-list li::before {
    content: '✓';
    color: var(--secondary);
    font-weight: 900;
}

.mode-preview {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mode-card {
    padding: 24px;
    border-radius: 20px;
    font-weight: 700;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

.mode-card.light {
    background: #fff;
    color: #000;
}

.mode-card.dark {
    background: #1e293b;
    color: #fff;
}

.mode-card.sepia {
    background: #fefce8;
    color: #422006;
}

.mode-card.active {
    transform: scale(1.05);
    border: 3px solid var(--primary);
}

/* Footer & CTA */
footer {
    padding: 100px 0 40px;
    background: var(--bg-dark);
    color: var(--white);
}

.footer-cta {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 100px;
}

.footer-cta h2 {
    font-size: 56px;
    margin-bottom: 24px;
}

.download-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 48px;
}

.store-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 24px;
    background: #000;
    border-radius: 12px;
    color: white;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
    min-width: 180px;
    text-align: left;
}

.store-badge:hover {
    transform: translateY(-5px);
    background: #111;
    border-color: rgba(255, 255, 255, 0.3);
}

.store-text {
    display: flex;
    flex-direction: column;
}

.store-text span {
    font-size: 10px;
    text-transform: uppercase;
    font-weight: 500;
    opacity: 0.8;
}

.store-text strong {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.2;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: #64748b;
    font-size: 14px;
}

.footer-links {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    gap: 24px;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

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

/* Animations */
.fade-in {
    opacity: 0;
    animation: fadeIn 1s forwards;
}

.fade-in-delay {
    opacity: 0;
    animation: fadeIn 1s 0.3s forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* Responsive */
@media (max-width: 968px) {

    .hero .container,
    .exp-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content p {
        margin: 0 auto 40px;
    }

    .hero-btns,
    .trust-badges {
        justify-content: center;
        flex-wrap: wrap;
    }

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

    .hero-content h1 {
        font-size: 42px;
    }

    .phone-mockup {
        width: 100%;
        max-width: 320px;
    }

    .download-btns {
        flex-wrap: wrap;
    }

    .logo span {
        font-size: 18px;
    }

    .nav-links {
        gap: 16px;
    }

    .nav-links a:not(.btn) {
        display: none;
    }

    .section-header h2 {
        font-size: 36px;
    }

    .footer-cta h2 {
        font-size: 42px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }

    .hero-content h1 {
        font-size: 36px;
    }

    .btn-lg {
        padding: 15px 30px;
        font-size: 16px;
        width: 100%;
    }

    .hero-btns {
        flex-direction: column;
    }

    .store-badge {
        width: 100%;
        justify-content: center;
    }
}