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

:root {
    /* Brand Colors - From iOS App */
    --primary-blue: #2AABEE;
    --accent-blue: #35A1FF;
    --dark-blue: #0051D5;
    --light-blue: #B2D7FF;
    --bg-gradient-start: #ffffff;
    --bg-gradient-end: #F0F8FF;
    
    /* Additional Colors */
    --orange: #FF8E53;
    --purple: #A855F7;
    --green: #10B981;
    --text-dark: #1a1a1a;
    --text-gray: #6B7280;
    --border-color: #E5E7EB;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 120px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--bg-gradient-start);
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 800;
    color: var(--text-dark);
    text-decoration: none;
}

.logo-image {
    height: 32px;
    width: auto;
    display: block;
}

.logo-icon {
    font-size: 32px;
    animation: float 3s ease-in-out infinite;
}

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

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: 24px;
    z-index: 999;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
}

.mobile-menu.active {
    display: block;
    transform: translateY(0);
}

.mobile-menu ul {
    list-style: none;
}

.mobile-menu li {
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 18px;
    font-weight: 500;
    display: block;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
    color: white;
    padding: 12px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(42, 171, 238, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(42, 171, 238, 0.4);
}

.btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--primary-blue);
    color: white;
    padding: 18px 36px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 700;
    font-size: 18px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(42, 171, 238, 0.35);
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(42, 171, 238, 0.45);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: white;
    color: var(--text-dark);
    padding: 18px 36px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
}

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

/* Hero Section */
.hero {
    padding-top: 160px;
    padding-bottom: var(--section-padding);
    position: relative;
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(135deg, #F0F8FF 0%, #ffffff 50%, #FFF5F0 100%);
    z-index: -1;
}

.hero-content {
    max-width: 700px;
    position: relative;
    z-index: 2;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: white;
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    margin-bottom: 32px;
}

.badge-icon {
    font-size: 18px;
}

.hero h1 {
    font-size: 72px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -2px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-gray);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}


.hero-visual {
    position: absolute;
    right: -50px;
    top: 60%;
    transform: translateY(-50%);
    width: 600px;
}

.phone-mockup {
    position: relative;
}

.app-screenshot {
    width: 360px;
    height: auto;
    display: block;
    filter: drop-shadow(0 40px 80px rgba(0, 0, 0, 0.3));
}

.floating-card {
    position: absolute;
    background: white;
    padding: 20px 24px;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 16px;
    animation: float 5s ease-in-out infinite;
}

.card-1 {
    top: 100px;
    right: -80px;
    animation-delay: -1s;
}

.card-2 {
    bottom: 150px;
    right: -100px;
    animation-delay: -2s;
}

.card-icon {
    font-size: 28px;
}

.card-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-dark);
}

.card-subtitle {
    font-size: 13px;
    color: var(--text-gray);
    font-weight: 500;
}

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

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

.section-badge {
    display: inline-block;
    background: linear-gradient(135deg, #F0F8FF 0%, #FFF5F0 100%);
    color: var(--primary-blue);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
    border: 2px solid rgba(42, 171, 238, 0.1);
}

.section-header h2 {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-gray);
}

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

.feature-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 24px;
    padding: 40px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-blue);
    box-shadow: 0 20px 60px rgba(42, 171, 238, 0.15);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(-5deg);
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.feature-card p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
}

/* How It Works Section */
.how-it-works {
    padding: var(--section-padding) 0;
    background: linear-gradient(135deg, #F0F8FF 0%, white 50%, #FFF5F0 100%);
}

.steps {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.step {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    position: relative;
}

.step-number {
    font-size: 72px;
    font-weight: 900;
    color: rgba(42, 171, 238, 0.1);
    line-height: 1;
    min-width: 100px;
}

.step-content {
    flex: 1;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 24px;
    padding: 40px;
    transition: all 0.3s ease;
}

.step-content:hover {
    transform: translateX(10px);
    border-color: var(--primary-blue);
    box-shadow: 0 20px 60px rgba(42, 171, 238, 0.15);
}

.step-icon {
    margin-bottom: 24px;
}

.step-content h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.step-content p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.8;
}

.step-line {
    width: 2px;
    height: 60px;
    background: linear-gradient(180deg, var(--primary-blue) 0%, transparent 100%);
    margin: 20px 0 20px 48px;
}

/* Pricing Section */
.pricing {
    padding: var(--section-padding) 0;
    background: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 24px;
    padding: 48px;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
    border-color: var(--primary-blue);
    border-width: 3px;
    transform: scale(1.05);
    box-shadow: 0 20px 60px rgba(42, 171, 238, 0.2);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
    color: white;
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
}

.pricing-header {
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 2px solid var(--border-color);
}

.pricing-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.price {
    margin: 20px 0;
}

.price-amount {
    font-size: 48px;
    font-weight: 900;
    color: var(--text-dark);
}

.price-period {
    font-size: 18px;
    color: var(--text-gray);
    font-weight: 500;
}

.pricing-header p {
    color: var(--text-gray);
    font-size: 15px;
}

.pricing-savings {
    color: var(--green) !important;
    font-weight: 600 !important;
    font-size: 14px !important;
}

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

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: 15px;
    color: var(--text-dark);
}

.btn-pricing {
    width: 100%;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
    color: white;
    padding: 16px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    display: block;
    transition: all 0.3s ease;
}

.btn-pricing:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(42, 171, 238, 0.35);
}

.pricing-card:not(.featured) .btn-pricing {
    background: white;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

/* FAQ Section */
.faq {
    padding: var(--section-padding) 0;
    background: linear-gradient(135deg, #F0F8FF 0%, white 100%);
}

.faq-grid {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 16px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--primary-blue);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 32px;
    cursor: pointer;
    user-select: none;
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
}

.faq-icon {
    color: var(--primary-blue);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 32px 24px;
}

.faq-answer p {
    color: var(--text-gray);
    line-height: 1.8;
    font-size: 15px;
}

/* CTA Section */
.cta {
    padding: var(--section-padding) 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    top: -300px;
    left: -100px;
    animation: pulse 8s ease-in-out infinite;
}

.cta::after {
    content: '';
    position: absolute;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
    bottom: -400px;
    right: -200px;
    animation: pulse 10s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

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

.cta h2 {
    font-size: 56px;
    font-weight: 900;
    color: white;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.cta p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: white;
    color: var(--primary-blue);
    padding: 20px 48px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 700;
    font-size: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.btn-cta:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
}

.cta-note {
    margin-top: 24px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin: 20px 0 32px;
    line-height: 1.8;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-blue);
    transform: translateY(-3px);
}

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

.footer-column h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .hero-visual {
        width: 500px;
        right: -100px;
    }
    
    .app-screenshot {
        width: 320px;
    }
}

@media (max-width: 968px) {
    :root {
        --section-padding: 80px;
    }
    
    .nav-links { display: none; }

    /* Keep Download button, but make it compact on phones */
    .navbar .btn-primary {
        display: inline-flex;
        padding: 8px 14px;
        font-size: 13px;
        border-radius: 10px;
        box-shadow: 0 3px 10px rgba(42, 171, 238, 0.25);
    }
    
    .mobile-menu-btn { display: flex; }
    .mobile-menu-btn span { width: 22px; }
    
    .hero {
        padding-top: 96px;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 48px;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        gap: 40px;
        justify-content: center;
    }
    
    .hero-visual {
        position: relative;
        right: 0;
        margin: 8px auto 0; /* lifted upward */
        width: 100%;
        max-width: 400px;
        transform: translateY(0); /* baseline so mobile parallax is smooth */
        will-change: transform; /* hint for smoother parallax */
    }
    
    .app-screenshot {
        width: 100%;
        max-width: 350px;
        margin: 0 auto;
        filter: drop-shadow(0 16px 28px rgba(0,0,0,0.15));
    }
    
    .floating-card {
        display: none;
    }
    
    .section-header h2 {
        font-size: 42px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .logo-image { height: 28px; }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta h2 {
        font-size: 42px;
    }
}

@media (max-width: 640px) {
    /* Ensure phone image is below frost layer */
    .hero-visual { z-index: 2; }
    /* Remove previous mobile frost overlay */
    .hero::before { content: none; }
    /* Frost sits above phone frame but under buttons/text */
    .hero::before { z-index: 3; }

    .hero h1 {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-hero,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    
    .section-header h2 {
        font-size: 32px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
        gap: 20px;
    }
    
    .step-number {
        font-size: 48px;
    }
    
    .step-line {
        width: 2px;
        height: 40px;
        margin: 10px 0 10px 24px;
    }
    
    .cta h2 {
        font-size: 32px;
    }
    
    .cta p {
        font-size: 16px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}