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

:root {
    /* Warm Gradient Color Palette - Orange → Pink → Violet */
    --orange-500: #F97316;
    --orange-400: #FB923C;
    --pink-500: #EC4899;
    --pink-400: #F472B6;
    --violet-500: #8B5CF6;
    --violet-400: #A78BFA;
    
    /* Gradient Colors */
    --gradient-warm: linear-gradient(135deg, #F97316 0%, #EC4899 50%, #8B5CF6 100%);
    --gradient-hero: linear-gradient(135deg, #F97316 0%, #FB923C 25%, #EC4899 50%, #F472B6 75%, #8B5CF6 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(249, 115, 22, 0.1) 0%, rgba(236, 72, 153, 0.1) 50%, rgba(139, 92, 246, 0.1) 100%);
    
    /* Pastel Colors */
    --pastel-orange: #FED7AA;
    --pastel-pink: #FBCFE8;
    --pastel-violet: #E9D5FF;
    
    /* Neutrals */
    --white: #FFFFFF;
    --black: #000000;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    --spacing-32: 8rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: var(--spacing-20) 0;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    z-index: 0;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: float 10s ease-in-out infinite;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.6;
    }
    25% {
        transform: translateY(-20px) translateX(10px);
        opacity: 0.8;
    }
    50% {
        transform: translateY(-40px) translateX(-10px);
        opacity: 0.4;
    }
    75% {
        transform: translateY(-20px) translateX(5px);
        opacity: 0.7;
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
    width: 100%;
}

.hero-text {
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    color: var(--white);
    margin-bottom: var(--spacing-6);
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-medium);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-8);
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
    animation: bounceIn 1s ease-out 0.3s both;
}

.btn-app-store {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-5);
    background: var(--white);
    color: var(--gray-900);
    border-radius: 22px; /* Almost pill shape */
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
    box-shadow: none;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.btn-app-store:hover {
    background: var(--gray-50);
    transform: translateY(-1px);
}

.btn-app-store:active {
    transform: translateY(0);
    background: var(--gray-100);
}

.app-store-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--gray-900);
}

.app-store-text {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--gray-900);
    white-space: nowrap;
}

/* Dark variant for footer */
.footer .btn-app-store {
    background: rgba(255, 255, 255, 0.95);
    color: var(--gray-900);
    border: none;
}

.footer .btn-app-store:hover {
    background: var(--white);
    color: var(--gray-900);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 0.8s ease-out 0.2s both;
}

.phone-mockup {
    position: relative;
    transform: rotate(-5deg);
    transition: var(--transition-slow);
    perspective: 1000px;
}

.phone-mockup:hover {
    transform: rotate(-3deg) translateY(-10px);
}

.phone-frame {
    position: relative;
    width: 280px;
    max-width: 100%;
    /* Calcular altura basada en aspect ratio 9:19.5 */
    height: calc(280px * (19.5 / 9));
    max-height: calc(100vw * (19.5 / 9));
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
    border-radius: 45px;
    padding: 8px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.4),
        0 0 0 2px rgba(255, 255, 255, 0.1) inset,
        0 0 0 4px rgba(0, 0, 0, 0.2);
    transition: var(--transition-slow);
    box-sizing: border-box;
}

/* Usar aspect-ratio cuando esté disponible (navegadores modernos) */
@supports (aspect-ratio: 1) {
    .phone-frame {
        height: auto;
        aspect-ratio: 9 / 19.5;
    }
}

.phone-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 45px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        transparent 30%, 
        transparent 70%, 
        rgba(255, 255, 255, 0.05) 100%);
    pointer-events: none;
    z-index: 1;
}

.phone-mockup:hover .phone-frame {
    box-shadow: 
        0 25px 70px rgba(0, 0, 0, 0.5),
        0 0 0 2px rgba(255, 255, 255, 0.15) inset,
        0 0 0 4px rgba(0, 0, 0, 0.3);
}

.phone-notch {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 28px;
    background: #000;
    border-radius: 0 0 20px 20px;
    z-index: 10;
}

.phone-notch::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 0 0 6px 6px;
}

.phone-screen {
    position: absolute;
    top: 8px;
    left: 8px;
    right: 8px;
    bottom: 8px;
    width: calc(100% - 16px);
    height: calc(100% - 16px);
    background: #000;
    border-radius: 37px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.phone-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: var(--transition-slow);
    /* Asegurar que la imagen no se salga del contenedor */
    max-width: 100%;
    max-height: 100%;
}

.phone-home-indicator {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 134px;
    height: 5px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
    z-index: 10;
}

/* How It Works Section */
.how-it-works {
    padding: var(--spacing-32) 0;
    background: var(--white);
    position: relative;
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    text-align: center;
    margin-bottom: var(--spacing-16);
    letter-spacing: -0.02em;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-8);
    margin-top: var(--spacing-12);
}

.step-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: var(--transition-normal);
    opacity: 0;
    transform: translateY(30px);
    border: 1px solid var(--gray-200);
}

.step-card.animate {
    animation: fadeInUp 0.6s ease-out forwards;
}

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

.step-number {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: var(--gradient-warm);
    color: var(--white);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-6);
    box-shadow: var(--shadow-md);
}

.step-image {
    margin-bottom: var(--spacing-6);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.step-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition-normal);
}

.step-card:hover .step-image img {
    transform: scale(1.05);
}

.step-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-800);
    margin-top: var(--spacing-4);
}

/* Differentiator Section */
.differentiator {
    padding: var(--spacing-32) 0;
    background: var(--gradient-subtle);
    position: relative;
}

.differentiator .section-title {
    max-width: 800px;
    margin: 0 auto var(--spacing-16);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
    margin-top: var(--spacing-12);
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    opacity: 0;
    transform: translateY(30px);
    border: 1px solid var(--gray-200);
}

.feature-card.animate {
    animation: fadeInUp 0.6s ease-out forwards;
}

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

.feature-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-4);
}

.feature-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition-normal);
}

.feature-card:hover .feature-image img {
    transform: scale(1.05);
}

.feature-description {
    font-size: var(--font-size-base);
    color: var(--gray-600);
    text-align: center;
    font-weight: var(--font-weight-medium);
}

/* Gallery Section */
.gallery {
    padding: var(--spacing-32) 0;
    background: var(--white);
    position: relative;
}

.carousel-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-slide {
    min-width: 100%;
    flex-shrink: 0;
}

.carousel-slide img {
    width: 100%;
    height: auto;
    display: block;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-2xl);
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
    color: var(--gray-700);
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: var(--spacing-4);
}

.carousel-next {
    right: var(--spacing-4);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2);
    margin-top: var(--spacing-6);
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    border: none;
    background: var(--gray-300);
    cursor: pointer;
    transition: var(--transition-normal);
}

.carousel-dot.active {
    background: var(--violet-500);
    width: 24px;
    border-radius: var(--radius-full);
}

/* Trust & Privacy Section */
.trust-privacy {
    padding: var(--spacing-32) 0;
    background: var(--gradient-subtle);
    position: relative;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-8);
    margin-top: var(--spacing-12);
}

.trust-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-normal);
    opacity: 0;
    transform: translateY(30px);
    border: 1px solid var(--gray-200);
}

.trust-card.animate {
    animation: fadeInUp 0.6s ease-out forwards;
}

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

.trust-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-4);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.trust-card p {
    font-size: var(--font-size-base);
    color: var(--gray-600);
    line-height: 1.6;
    font-weight: var(--font-weight-medium);
}

/* Footer */
.footer {
    padding: var(--spacing-16) 0;
    background: var(--gray-900);
    color: var(--white);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-6);
}

.footer-links {
    display: flex;
    gap: var(--spacing-6);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: var(--font-size-base);
    transition: var(--transition-normal);
    font-weight: var(--font-weight-medium);
}

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

.footer-app-store {
    margin: var(--spacing-4) 0;
}

.footer-copyright {
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .phone-mockup {
        transform: rotate(0deg);
    }
    
    .phone-mockup:hover {
        transform: translateY(-10px);
    }
    
    .phone-frame {
        width: 240px;
        height: calc(240px * (19.5 / 9));
        border-radius: 35px;
        padding: 6px;
    }
    
    @supports (aspect-ratio: 1) {
        .phone-frame {
            height: auto;
            aspect-ratio: 9 / 19.5;
        }
    }
    
    .phone-screen {
        top: 6px;
        left: 6px;
        right: 6px;
        bottom: 6px;
        width: calc(100% - 12px);
        height: calc(100% - 12px);
        border-radius: 29px;
    }
    
    .phone-notch {
        width: 120px;
        height: 24px;
        top: 6px;
    }
    
    .phone-home-indicator {
        width: 110px;
        height: 4px;
        bottom: 6px;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 480px) {
    .hero {
        padding: var(--spacing-12) 0;
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .how-it-works,
    .differentiator,
    .gallery,
    .trust-privacy {
        padding: var(--spacing-16) 0;
    }
    
    .btn-app-store img {
        height: 50px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}