/* CSS Variables */
:root {
    --primary-blue: #2196F3;
    --primary-pink: #E91E63;
    --blue-light: #64B5F6;
    --blue-dark: #1976D2;
    --pink-light: #F48FB1;
    --pink-dark: #C2185B;
    --text-dark: #1A1A1A;
    --text-light: #666666;
    --bg-light: #FAFAFA;
    --bg-white: #FFFFFF;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    text-decoration: none;
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-pink));
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    font-size: 0.95rem;
    text-decoration: none;
    display: inline-block;
}

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

.btn-secondary {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    text-decoration: none;
    display: inline-block;
}

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    margin-top: 80px;
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.05) 0%, rgba(233, 30, 99, 0.05) 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat {
    text-align: left;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

/* Phone Mockup - iPhone 16 Pro Max */
.phone-mockup {
    position: relative;
    width: 340px;
    height: 740px;
    margin: 0 auto;
    perspective: 1000px;
}

.phone-frame {
    position: relative;
    width: 100%;
    height: 100%;
    background: #1a1a1a;
    border-radius: 55px;
    padding: 8px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset,
        0 0 40px rgba(33, 150, 243, 0.2);
    animation: float 3s ease-in-out infinite;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: 47px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.5) inset;
}

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

/* Dynamic Island - iPhone 16 Pro Max */
.dynamic-island {
    position: absolute;
    top: 17px;
    left: 50%;
    transform: translateX(-50%);
    width: 113px;
    height: 33px;
    background: #000;
    border-radius: 17px;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.dynamic-island::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 6px;
    height: 6px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
}

.dynamic-island::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotateY(0deg);
    }
    50% {
        transform: translateY(-15px) rotateY(2deg);
    }
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--bg-white);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid rgba(33, 150, 243, 0.1);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-blue);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
}

.icon-1 {
    background: linear-gradient(135deg, var(--primary-blue), var(--blue-light));
}

.icon-2 {
    background: linear-gradient(135deg, var(--primary-pink), var(--pink-light));
}

.icon-3 {
    background: linear-gradient(135deg, var(--blue-dark), var(--primary-blue));
}

.icon-4 {
    background: linear-gradient(135deg, var(--pink-dark), var(--primary-pink));
}

.icon-5 {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-pink));
}

.icon-6 {
    background: linear-gradient(135deg, var(--primary-pink), var(--primary-blue));
}

.icon-7 {
    background: linear-gradient(135deg, var(--blue-light), var(--pink-light));
}

.feature-icon svg {
    width: 30px;
    height: 30px;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-description {
    color: var(--text-light);
    line-height: 1.8;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.05) 0%, rgba(233, 30, 99, 0.05) 100%);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-pink));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.step-description {
    color: var(--text-light);
    line-height: 1.8;
}

/* Download Section */
.download {
    padding: 100px 0;
    background: var(--bg-white);
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.1), rgba(233, 30, 99, 0.1));
    padding: 4rem;
    border-radius: 30px;
}

.download-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.download-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.download-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: var(--bg-white);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-dark);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-blue);
}

.download-btn svg {
    width: 32px;
    height: 32px;
    color: var(--primary-blue);
}

.download-btn-label {
    font-size: 0.75rem;
    color: var(--text-light);
}

.download-btn-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
}

.download-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.download-logo {
    width: 200px;
    height: 200px;
    object-fit: contain;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section .logo {
    margin-bottom: 1rem;
}

.footer-section .logo-text {
    color: white;
    -webkit-text-fill-color: white;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    font-size: 1.5rem;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: scale(1.2);
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-image {
        order: -1;
    }

    .phone-mockup {
        width: 280px;
        height: 610px;
    }

    .phone-frame {
        border-radius: 45px;
        padding: 6px;
    }

    .phone-screen {
        border-radius: 39px;
    }

    .dynamic-island {
        width: 99px;
        height: 29px;
        top: 13px;
        border-radius: 14px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .nav-links {
        display: none;
    }

    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

@media (max-width: 640px) {
    .phone-mockup {
        width: 240px;
        height: 520px;
    }

    .phone-frame {
        border-radius: 38px;
        padding: 5px;
    }

    .phone-screen {
        border-radius: 33px;
    }

    .dynamic-island {
        width: 86px;
        height: 25px;
        top: 11px;
        border-radius: 13px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

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

    .download-content {
        padding: 2rem;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}