/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #ec4899;
    --primary-dark: #db2777;
    --secondary-color: #f97316;
    --accent-color: #d946ef;
    --dark-bg: #0f172a;
    --dark-card: #1e293b;
    --text-light: #f1f5f9;
    --text-gray: #94a3b8;
    --gradient-1: linear-gradient(135deg, #d946ef 0%, #ec4899 33%, #f43f5e 66%, #f97316 100%);
    --gradient-2: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15), 0 10px 10px rgba(0, 0, 0, 0.04);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-size: 24px;
    font-weight: 700;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(217, 70, 239, 0.3);
}

.logo span {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.btn-download {
    background: var(--gradient-1);
    padding: 10px 20px;
    border-radius: 8px;
    color: white !important;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--primary-color);
}

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

.btn-large {
    padding: 18px 48px;
    font-size: 18px;
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: var(--gradient-2);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(217, 70, 239, 0.15) 0%, rgba(236, 72, 153, 0.1) 50%, transparent 70%);
    border-radius: 50%;
}

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

.hero-content h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-gray);
    margin-bottom: 32px;
    max-width: 540px;
}

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

.hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.stat {
    padding: 24px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-gray);
}

/* iPhone Mockup */
.iphone-mockup {
    width: 280px;
    height: 570px;
    background: linear-gradient(145deg, #1e293b, #0f172a);
    border-radius: 45px;
    padding: 12px;
    box-shadow:
        0 0 0 12px rgba(30, 41, 59, 0.8),
        0 0 0 14px rgba(217, 70, 239, 0.4),
        0 0 40px rgba(236, 72, 153, 0.2),
        var(--shadow-xl);
    position: relative;
    margin: 0 auto;
}

.iphone-notch {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 28px;
    background: var(--dark-bg);
    border-radius: 0 0 20px 20px;
    z-index: 10;
}

.iphone-screen {
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: 35px;
    overflow: hidden;
    position: relative;
}

.screenshot-placeholder {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: linear-gradient(135deg, rgba(217, 70, 239, 0.2), rgba(236, 72, 153, 0.2), rgba(249, 115, 22, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-phone {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Problem Section */
.problem-section {
    padding: 100px 0;
    background: var(--dark-bg);
}

.problem-section h2 {
    font-size: 48px;
    text-align: center;
    margin-bottom: 16px;
}

.section-intro {
    text-align: center;
    font-size: 20px;
    color: var(--text-gray);
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.highlight {
    color: var(--secondary-color);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}

.problem-card {
    background: var(--dark-card);
    padding: 40px 32px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 30px rgba(236, 72, 153, 0.4);
}

.problem-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.problem-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.problem-card p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* Features Section */
.features-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--dark-card) 100%);
}

.features-section h2 {
    font-size: 48px;
    text-align: center;
    margin-bottom: 80px;
}

.feature-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 120px;
}

.feature-showcase.reverse {
    direction: rtl;
}

.feature-showcase.reverse > * {
    direction: ltr;
}

.feature-badge {
    display: inline-block;
    background: rgba(236, 72, 153, 0.2);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.feature-content h3 {
    font-size: 36px;
    margin-bottom: 24px;
}

.feature-list {
    list-style: none;
    margin-bottom: 24px;
}

.feature-list li {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--text-gray);
}

.feature-description {
    color: var(--text-gray);
    font-size: 16px;
    line-height: 1.7;
}

/* How It Works */
.how-it-works {
    padding: 100px 0;
    background: var(--dark-bg);
}

.how-it-works h2 {
    font-size: 48px;
    text-align: center;
    margin-bottom: 80px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.step {
    text-align: center;
    padding: 40px 24px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 24px;
}

.step h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.step p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* Perfect For */
.perfect-for {
    padding: 100px 0;
    background: var(--dark-card);
}

.perfect-for h2 {
    font-size: 48px;
    text-align: center;
    margin-bottom: 60px;
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.audience-card {
    background: var(--dark-bg);
    padding: 48px 32px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.audience-card:hover {
    transform: translateY(-8px);
    border-color: var(--secondary-color);
}

.audience-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.audience-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.audience-card p {
    color: var(--text-gray);
}

/* Pricing */
.pricing-section {
    padding: 100px 0;
    background: var(--dark-bg);
}

.pricing-section h2 {
    font-size: 48px;
    text-align: center;
    margin-bottom: 60px;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--dark-card);
    padding: 48px 40px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border: 2px solid var(--primary-color);
    background: linear-gradient(135deg, rgba(217, 70, 239, 0.1), rgba(236, 72, 153, 0.1), rgba(249, 115, 22, 0.05));
}

.popular-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-1);
    color: white;
    padding: 8px 24px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 28px;
    margin-bottom: 16px;
}

.price {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 32px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price span {
    font-size: 20px;
    color: var(--text-gray);
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
    text-align: left;
}

.pricing-features li {
    padding: 12px 0;
    color: var(--text-gray);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Privacy Section */
.privacy-section {
    padding: 100px 0;
    background: var(--dark-card);
}

.privacy-section h2 {
    font-size: 48px;
    text-align: center;
    margin-bottom: 60px;
}

.privacy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

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

.privacy-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.privacy-item h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.privacy-item p {
    color: var(--text-gray);
}

/* CTA Section */
.cta-section {
    padding: 120px 0;
    background: var(--gradient-2);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.2) 0%, rgba(249, 115, 22, 0.1) 50%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

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

.cta-text {
    font-size: 20px;
    color: var(--text-gray);
    margin-bottom: 40px;
}

.cta-philosophy {
    margin-bottom: 32px;
}

.cta-philosophy p {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--text-light);
}

.cta-impact {
    margin-bottom: 48px;
    padding: 32px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-impact p {
    font-size: 18px;
    margin-bottom: 8px;
    font-style: italic;
    color: var(--text-gray);
}

.cta-buttons {
    margin-top: 40px;
}

.cta-trial {
    margin-top: 16px;
    color: var(--text-gray);
    font-size: 14px;
}

/* Footer */
.footer {
    background: var(--dark-bg);
    padding: 60px 0 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.footer-logo-img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.footer-brand h3 {
    font-size: 24px;
    margin-bottom: 0;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: var(--text-gray);
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 16px;
    align-items: center;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-gray);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links a:hover {
    background: var(--gradient-1);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(236, 72, 153, 0.3);
    border-color: transparent;
}

.social-links svg {
    width: 20px;
    height: 20px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    margin-bottom: 16px;
    color: var(--text-light);
}

.footer-column a {
    display: block;
    color: var(--text-gray);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-gray);
}

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

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

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero .container,
    .feature-showcase {
        grid-template-columns: 1fr;
    }

    .feature-showcase.reverse {
        direction: ltr;
    }

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

    .nav-links {
        display: none;
    }

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

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

@media (max-width: 640px) {
    .hero-content h1 {
        font-size: 36px;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

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

    .btn {
        width: 100%;
        text-align: center;
    }

    .iphone-mockup {
        width: 240px;
        height: 490px;
    }

    .problem-section h2,
    .features-section h2,
    .how-it-works h2,
    .perfect-for h2,
    .pricing-section h2,
    .privacy-section h2,
    .cta-content h2 {
        font-size: 32px;
    }

    .feature-content h3 {
        font-size: 28px;
    }
}
