:root {
    --teal: #0d9488;
    --teal-bright: #14b8a6;
    --teal-glow: rgba(20, 184, 166, 0.4);
    --dark: #0a0a0a;
    --cream: #f5f0e8;
    --warm: #e8e0d4;
    --accent: #ff6b35;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Source Serif 4', Georgia, serif;
    background: var(--dark);
    color: var(--cream);
    overflow-x: hidden;
}

/* Grain overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: 1000;
}

h1, h2, h3 {
    font-family: 'Cormorant Garamond', Garamond, serif;
    font-weight: 500;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 1.5rem 0;
    z-index: 100;
    mix-blend-mode: difference;
}

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

.logo {
    font-family: 'Cormorant Garamond', Garamond, serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--cream);
    text-decoration: none;
    letter-spacing: 1px;
    text-transform: uppercase;
}

nav a {
    color: var(--cream);
    text-decoration: none;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.7;
    transition: opacity 0.3s;
}

nav a:hover {
    opacity: 1;
}

/* Footer */
footer {
    padding: 3rem 0;
    border-top: 1px solid rgba(245,240,232,0.1);
}

footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--cream);
    text-decoration: none;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.5;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 1;
}

.copyright {
    font-size: 0.7rem;
    opacity: 0.3;
}

/* Store buttons */
.store-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.store-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: transparent;
    color: var(--cream);
    text-decoration: none;
    border: 1px solid rgba(245, 240, 232, 0.3);
    font-family: 'Source Serif 4', Georgia, serif;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.store-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--teal-bright);
    transform: translateX(-101%);
    transition: transform 0.3s ease;
    z-index: -1;
}

.store-btn:hover {
    border-color: var(--teal-bright);
    color: var(--dark);
}

.store-btn:hover::before {
    transform: translateX(0);
}

.store-btn svg {
    width: 20px;
    height: 20px;
}

.store-btn.disabled {
    opacity: 0.5;
    cursor: default;
    pointer-events: none;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 8rem 0 4rem;
    overflow: hidden;
}

/* Animated background gradient */
.hero-bg {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80vw;
    height: 150vh;
    background: radial-gradient(ellipse at center, var(--teal-glow) 0%, transparent 60%);
    animation: pulse 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes pulse {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    max-width: 600px;
}

.hero-label {
    display: inline-block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--teal-bright);
    margin-bottom: 1.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--teal);
    border-radius: 2px;
}

.hero h1 {
    font-size: clamp(3rem, 10vw, 6rem);
    line-height: 0.95;
    margin-bottom: 2rem;
    letter-spacing: -2px;
}

.hero h1 .highlight {
    color: var(--teal-bright);
    font-style: italic;
    position: relative;
    display: inline-block;
}

.hero h1 .highlight::after {
    content: '';
    position: absolute;
    bottom: 0.1em;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--teal-bright);
    transform: scaleX(0);
    transform-origin: left;
    animation: underline 1s ease-out 0.5s forwards;
}

@keyframes underline {
    to { transform: scaleX(1); }
}

.hero-subtitle {
    font-size: 1rem;
    line-height: 1.8;
    opacity: 0.7;
    margin-bottom: 3rem;
    max-width: 400px;
}

/* App screenshot */
.hero-visual {
    display: flex;
    justify-content: center;
    perspective: 1000px;
}

.phone-wrapper {
    position: relative;
    transform: rotateY(-8deg) rotateX(5deg);
    transform-style: preserve-3d;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: rotateY(-8deg) rotateX(5deg) translateY(0); }
    50% { transform: rotateY(-8deg) rotateX(5deg) translateY(-20px); }
}

.phone-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300px;
    height: 300px;
    background: var(--teal-bright);
    filter: blur(80px);
    opacity: 0.3;
    transform: translate(-50%, -50%);
    z-index: -1;
}

.app-screenshot {
    width: 260px;
    height: auto;
    border-radius: 36px;
    box-shadow: 0 50px 100px rgba(0,0,0,0.5);
}

/* Features section */
.features {
    padding: 8rem 0;
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(245,240,232,0.2), transparent);
}

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

.section-number {
    font-size: 0.7rem;
    color: var(--teal-bright);
    letter-spacing: 2px;
    margin-bottom: 1rem;
    display: block;
}

.section-header h2 {
    font-size: clamp(2rem, 6vw, 3.5rem);
    line-height: 1.1;
    max-width: 600px;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1px;
    background: rgba(245,240,232,0.1);
}

.feature-card {
    background: var(--dark);
    padding: 2.5rem 2rem;
    position: relative;
    transition: background 0.3s;
}

.feature-card:hover {
    background: rgba(20, 184, 166, 0.05);
}

.feature-number {
    font-size: 0.65rem;
    color: var(--teal-bright);
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.feature-card p {
    font-size: 0.85rem;
    line-height: 1.8;
    opacity: 0.6;
}

/* How it works */
.how-it-works {
    padding: 8rem 0;
    background: var(--cream);
    color: var(--dark);
    position: relative;
}

.how-it-works .section-number {
    color: var(--teal);
}

.how-it-works .section-header {
    margin-bottom: 4rem;
}

.steps-interactive {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: start;
}

.steps-screenshots {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

.step-screenshot {
    position: absolute;
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.step-screenshot.active {
    opacity: 1;
    transform: scale(1);
}

.steps-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem 1.5rem;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(10, 10, 10, 0.1);
    cursor: pointer;
    text-align: left;
    transition: background 0.3s ease;
    font-family: inherit;
    min-height: 120px;
}

.step-item:first-child {
    border-top: 1px solid rgba(10, 10, 10, 0.1);
}

.step-item:hover {
    background: rgba(10, 10, 10, 0.03);
}

.step-item.active {
    background: rgba(13, 148, 136, 0.08);
}

.step-number {
    font-family: 'Cormorant Garamond', Garamond, serif;
    font-size: 1.5rem;
    font-style: italic;
    color: var(--teal);
    line-height: 1;
    min-width: 2rem;
    opacity: 0.4;
    transition: opacity 0.3s ease;
}

.step-item.active .step-number {
    opacity: 1;
}

.step-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.step-item.active .step-content h3 {
    color: var(--teal);
}

.step-content p {
    font-size: 0.9rem;
    line-height: 1.7;
    opacity: 0.5;
    margin: 0;
    transition: opacity 0.3s ease;
}

.step-item.active .step-content p {
    opacity: 0.7;
}

/* CTA */
.cta {
    padding: 8rem 0;
    text-align: center;
    position: relative;
}

.cta-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(ellipse at center, var(--teal-glow) 0%, transparent 60%);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 10;
}

.cta h2 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    line-height: 1;
    margin-bottom: 1.5rem;
}

.cta p {
    font-size: 0.9rem;
    opacity: 0.6;
    margin-bottom: 3rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.cta .store-buttons {
    justify-content: center;
}

/* Legal pages */
.legal-page {
    padding: 10rem 0 6rem;
    position: relative;
}

.legal-page::before {
    content: '';
    position: absolute;
    top: 0;
    right: -20%;
    width: 60vw;
    height: 60vh;
    background: radial-gradient(ellipse at center, var(--teal-glow) 0%, transparent 60%);
    opacity: 0.3;
    pointer-events: none;
}

.legal-header {
    margin-bottom: 4rem;
    position: relative;
    z-index: 10;
}

.legal-label {
    display: inline-block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--teal-bright);
    margin-bottom: 1.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--teal);
    border-radius: 2px;
}

.legal-header h1 {
    font-size: clamp(2.5rem, 8vw, 4rem);
    line-height: 1;
    margin-bottom: 1rem;
}

.legal-date {
    font-size: 0.8rem;
    opacity: 0.5;
}

.legal-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
}

.legal-content section {
    margin-bottom: 3rem;
}

.legal-content h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--teal-bright);
}

.legal-content h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    margin-top: 1.5rem;
}

.legal-content p {
    font-size: 0.9rem;
    line-height: 1.9;
    opacity: 0.8;
    margin-bottom: 1rem;
}

.legal-content ul {
    margin: 1rem 0 1rem 1.5rem;
    font-size: 0.9rem;
    line-height: 1.9;
    opacity: 0.8;
}

.legal-content li {
    margin-bottom: 0.5rem;
}

.legal-content a {
    color: var(--teal-bright);
    text-decoration: none;
    transition: opacity 0.3s;
}

.legal-content a:hover {
    opacity: 0.7;
}

/* Desktop styles */
@media (min-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
    }

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

    .steps-interactive {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
        align-items: center;
    }

    .steps-screenshots {
        position: sticky;
        top: 6rem;
        min-height: 500px;
    }

    .step-item {
        padding: 3rem 2rem;
        min-height: 180px;
    }
}

@media (min-width: 1024px) {
    .app-screenshot {
        width: 300px;
    }
}