/* ===== DANNING - Ultra Luxury Aesthetic ===== */
/* Inspired by: Aman, Dezeen, Architectural Digest, Banyan Tree, Euphoria Retreat */

:root {
    /* Colors - Muted, sophisticated palette */
    --color-black: #0a0a0a;
    --color-charcoal: #1a1a1a;
    --color-dark: #2c2c2c;
    --color-gray: #666666;
    --color-muted: #999999;
    --color-light: #e5e5e5;
    --color-cream: #f8f6f3;
    --color-white: #ffffff;
    --color-accent: #8b7355;
    
    /* Typography - Clean, editorial */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing - Generous, breathing room */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    --space-2xl: 8rem;
    --space-3xl: 12rem;
    
    /* Transitions */
    --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-dark);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: opacity var(--transition);
}

a:hover {
    opacity: 0.7;
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: 1.125rem;
    font-family: var(--font-body);
    font-weight: 400;
}

/* ===== Layout ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

section {
    padding: var(--space-3xl) 0;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: transparent;
    transition: background-color var(--transition);
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    height: 36px;
    width: auto;
    transition: opacity var(--transition);
}

.logo span {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-black);
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
}

.nav-links a {
    font-size: 0.8125rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    color: var(--color-dark);
}

.nav-social {
    font-size: 0.8125rem;
    font-weight: 300;
    color: var(--color-muted);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
    background-color: var(--color-cream);
    position: relative;
}

.hero-content {
    max-width: 900px;
}

.hero-logo {
    margin-bottom: var(--space-xl);
}

.hero-logo img {
    width: 120px;
    height: auto;
    margin: 0 auto;
    filter: invert(1);
}

.hero-chinese {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
    letter-spacing: 0.5em;
}

.hero-title {
    color: var(--color-black);
    margin-bottom: var(--space-md);
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-family: var(--font-display);
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    font-style: italic;
    color: var(--color-gray);
    letter-spacing: 0.02em;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.scroll-indicator span {
    font-size: 0.6875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-muted), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* ===== Philosophy Section ===== */
.philosophy {
    background-color: var(--color-white);
}

.philosophy-content {
    max-width: 800px;
    margin: 0 auto;
}

.section-label {
    font-size: 0.6875rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
}

.philosophy h2 {
    color: var(--color-black);
    margin-bottom: var(--space-xl);
    line-height: 1.4;
}

.philosophy-text {
    columns: 1;
}

.philosophy-text p {
    font-size: 1.0625rem;
    color: var(--color-gray);
    margin-bottom: var(--space-md);
    line-height: 1.9;
}

.philosophy-text p:last-child {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-style: italic;
    color: var(--color-dark);
    margin-top: var(--space-lg);
    margin-bottom: 0;
}

/* ===== Visual Break ===== */
.visual-break {
    background-color: var(--color-charcoal);
    padding: var(--space-3xl) var(--space-lg);
}

.visual-break-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.visual-break blockquote {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    font-style: italic;
    color: var(--color-white);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.visual-break cite {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-style: normal;
    letter-spacing: 0.1em;
    color: var(--color-muted);
}

/* ===== App Section ===== */
.app-section {
    background-color: var(--color-cream);
}

.app-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

@media (max-width: 1024px) {
    .app-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

.app-text h2 {
    color: var(--color-black);
    margin-bottom: var(--space-md);
}

.app-description {
    font-size: 1.0625rem;
    color: var(--color-gray);
    line-height: 1.9;
    margin-bottom: var(--space-xl);
}

.app-features {
    display: grid;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.feature h4 {
    color: var(--color-black);
    margin-bottom: var(--space-xs);
}

.feature p {
    font-size: 0.9375rem;
    color: var(--color-gray);
}

.app-cta {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.coming-soon {
    font-size: 0.8125rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.btn-primary {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-white);
    background-color: var(--color-black);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-primary:hover {
    background-color: var(--color-dark);
    opacity: 1;
}

.btn-secondary {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-black);
    background-color: transparent;
    border: 1px solid var(--color-black);
    cursor: pointer;
    transition: all var(--transition);
}

.btn-secondary:hover {
    background-color: var(--color-black);
    color: var(--color-white);
    opacity: 1;
}

/* Phone Mockup */
.app-visual {
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 280px;
    height: 580px;
    background-color: var(--color-black);
    border-radius: 50px;
    padding: 12px;
    box-shadow: 
        0 50px 100px -20px rgba(0, 0, 0, 0.15),
        0 30px 60px -30px rgba(0, 0, 0, 0.2);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, var(--color-cream) 0%, #e8e4db 100%);
    border-radius: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.screen-content {
    text-align: center;
}

.screen-logo {
    display: block;
    font-family: var(--font-body);
    font-size: 1rem;
    letter-spacing: 0.4em;
    color: var(--color-black);
    margin-bottom: var(--space-sm);
}

.screen-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-accent);
}

@media (max-width: 1024px) {
    .app-visual {
        order: -1;
    }
    
    .phone-mockup {
        width: 240px;
        height: 500px;
    }
}

/* ===== Collaborate Section ===== */
.collaborate {
    background-color: var(--color-white);
}

.collaborate-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

@media (max-width: 768px) {
    .collaborate-grid {
        grid-template-columns: 1fr;
    }
}

.collaborate-card {
    padding: var(--space-xl);
    background-color: var(--color-cream);
    border: 1px solid var(--color-light);
}

.collaborate-card .section-label {
    margin-bottom: var(--space-sm);
}

.collaborate-card h3 {
    color: var(--color-black);
    margin-bottom: var(--space-md);
}

.collaborate-card p {
    font-size: 1rem;
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

/* ===== Final CTA ===== */
.final-cta {
    background-color: var(--color-charcoal);
    text-align: center;
}

.final-cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.final-cta-chinese {
    font-family: var(--font-display);
    font-size: 4rem;
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
    letter-spacing: 0.2em;
}

.final-cta h2 {
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.final-cta > .container > .final-cta-content > p {
    font-size: 1.0625rem;
    color: var(--color-muted);
    margin-bottom: var(--space-xl);
}

.social-links {
    display: flex;
    justify-content: center;
}

.social-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md) var(--space-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition);
}

.social-link:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.4);
    opacity: 1;
}

.social-link span:first-child {
    font-size: 0.6875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.social-link .handle {
    font-size: 1rem;
    color: var(--color-white);
    letter-spacing: 0.02em;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--color-black);
    padding: var(--space-xl) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-lg);
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

.footer-brand {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
}

.footer-logo {
    font-family: var(--font-body);
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    color: var(--color-white);
}

.footer-chinese {
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--color-accent);
}

.footer-meaning {
    font-size: 0.75rem;
    color: var(--color-muted);
    margin-left: var(--space-sm);
    font-style: italic;
}

.footer-contact {
    display: flex;
    gap: var(--space-xl);
}

.footer-contact a {
    font-size: 0.8125rem;
    color: var(--color-muted);
}

.footer-contact a:hover {
    color: var(--color-white);
}

.footer-legal p {
    font-size: 0.75rem;
    color: var(--color-muted);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeInUp 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Selection ===== */
::selection {
    background-color: var(--color-accent);
    color: var(--color-white);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-cream);
}

::-webkit-scrollbar-thumb {
    background: var(--color-muted);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray);
}

/* ===== App Feature Sections ===== */

.app-intro {
    background-color: var(--color-white);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.app-intro-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.app-intro-content h2 {
    color: var(--color-black);
    margin-bottom: var(--space-md);
}

.app-intro-description {
    font-size: 1.125rem;
    color: var(--color-gray);
    line-height: 1.9;
}

/* Feature Sections */
.app-feature-section {
    padding: var(--space-2xl) 0;
    background-color: var(--color-white);
}

.app-feature-section.alt-bg {
    background-color: var(--color-cream);
}

.app-feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.app-feature-grid.reverse {
    direction: rtl;
}

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

@media (max-width: 900px) {
    .app-feature-grid,
    .app-feature-grid.reverse {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        direction: ltr;
    }
    
    .app-feature-phone {
        order: -1;
    }
}

.app-feature-text {
    max-width: 480px;
}

.feature-number {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--color-accent);
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.app-feature-text h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--color-black);
    margin-bottom: var(--space-md);
}

.app-feature-text > p {
    font-size: 1.0625rem;
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    position: relative;
    padding-left: var(--space-lg);
    font-size: 0.9375rem;
    color: var(--color-dark);
    margin-bottom: var(--space-sm);
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
    border-radius: 50%;
}

/* Phone Frame */
.app-feature-phone {
    display: flex;
    justify-content: center;
}

.phone-frame {
    width: 280px;
    background-color: var(--color-black);
    border-radius: 40px;
    padding: 10px;
    box-shadow: 
        0 50px 100px -20px rgba(0, 0, 0, 0.12),
        0 30px 60px -30px rgba(0, 0, 0, 0.15);
}

.phone-frame img {
    width: 100%;
    height: auto;
    border-radius: 32px;
    display: block;
}

@media (max-width: 900px) {
    .phone-frame {
        width: 240px;
        border-radius: 32px;
        padding: 8px;
    }
    
    .phone-frame img {
        border-radius: 26px;
    }
}

/* App CTA Section */
.app-cta-section {
    background-color: var(--color-charcoal);
    padding: var(--space-2xl) 0;
    text-align: center;
}

.app-cta-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.app-cta-content > p {
    font-size: 1.0625rem;
    color: var(--color-muted);
    margin-bottom: var(--space-lg);
}

.app-cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

/* Remove old app section styles if they conflict */
.app-section {
    display: none;
}

/* ===== Stay in Touch Section ===== */
.stay-in-touch {
    background-color: var(--color-charcoal);
    padding: var(--space-2xl) 0;
}

.stay-in-touch-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.stay-in-touch-content .section-label {
    color: var(--color-accent);
}

.stay-in-touch-content h2 {
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.stay-in-touch-description {
    font-size: 1rem;
    color: var(--color-muted);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.newsletter-form {
    margin-bottom: var(--space-sm);
}

.form-row-inline {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
}

.form-row-inline input {
    flex: 1;
    max-width: 200px;
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-dark);
    background-color: var(--color-white);
    border: none;
    border-radius: 0;
}

.form-row-inline input::placeholder {
    color: var(--color-muted);
}

.form-row-inline input:focus {
    outline: 2px solid var(--color-accent);
}

.form-row-inline .btn-primary {
    padding: var(--space-sm) var(--space-lg);
    white-space: nowrap;
}

.form-note-small {
    font-size: 0.75rem;
    color: var(--color-muted);
}

@media (max-width: 600px) {
    .form-row-inline {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-row-inline input {
        max-width: 100%;
    }
}

/* ===== Partner Section ===== */
.partner-section {
    padding: var(--space-2xl) 0;
    background-color: var(--color-cream);
}

.partner-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.partner-content h2 {
    color: var(--color-black);
    margin-bottom: var(--space-md);
}

.partner-description {
    font-size: 1rem;
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}