/* ================================
   CSS Variables & Design System
   ================================ */
:root {
    /* Colors - Based on mobile app theme */
    --color-primary: #1B4F72;
    --color-primary-light: #2874A6;
    --color-primary-dark: #154360;
    --color-secondary: #FF8C42;
    --color-secondary-light: #FFA366;
    --color-secondary-dark: #E67330;

    /* Neutral colors */
    --color-dark: #1a1a2e;
    --color-gray-900: #2d2d44;
    --color-gray-700: #4a4a5a;
    --color-gray-500: #6b6b7b;
    --color-gray-300: #a0a0b0;
    --color-gray-100: #f0f0f5;
    --color-white: #ffffff;

    /* Semantic colors */
    --color-success: #27AE60;
    --color-error: #E74C3C;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Container */
    --container-max: 1200px;
    --container-padding: clamp(1rem, 5vw, 2rem);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-700);
    background: var(--color-white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ================================
   Utility Classes
   ================================ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.highlight {
    color: var(--color-secondary);
}

/* ================================
   Typography
   ================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
}

h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
}

/* ================================
   Buttons
   ================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

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

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

/* ================================
   Header & Navigation
   ================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: box-shadow var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-primary);
}

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

.logo-text {
    font-family: var(--font-display);
    font-weight: 700;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-links a {
    font-weight: 500;
    color: var(--color-gray-700);
    transition: color var(--transition-fast);
}

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

.btn-nav {
    padding: 0.5rem 1.25rem;
}

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

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    transition: all var(--transition-fast);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--color-white);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    z-index: 99;
}

.mobile-menu.active {
    display: block;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.mobile-nav-links a {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

/* ================================
   Hero Section
   ================================ */
.hero {
    position: relative;
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-white) 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 0 0 0 100px;
    opacity: 0.05;
    z-index: 0;
}

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

.badge, .section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(27, 79, 114, 0.1);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.hero-text h1 {
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

.hero-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
    max-width: 320px;
}

.card-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.hero-logo {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin: 0 auto var(--spacing-md);
}

.hero-card h3 {
    margin-bottom: var(--spacing-sm);
}

.hero-card p {
    color: var(--color-gray-500);
}

/* ================================
   Section Styles
   ================================ */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
}

.section-title {
    margin-bottom: var(--spacing-sm);
}

.section-description {
    color: var(--color-gray-500);
    font-size: 1.1rem;
}

/* ================================
   Services Section
   ================================ */
.services {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--color-gray-100);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: var(--color-white);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--color-gray-500);
}

/* ================================
   App Section
   ================================ */
.app-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

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

.app-section .section-badge {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

.app-section .section-title {
    color: var(--color-white);
}

.app-description {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

.app-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.app-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.05rem;
}

.feature-icon {
    font-size: 1.25rem;
}

.store-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.store-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    background: var(--color-white);
    color: var(--color-dark);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

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

.store-btn-disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.store-btn-disabled:hover {
    transform: none;
    box-shadow: none;
}

.store-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.store-label {
    font-size: 0.7rem;
    opacity: 0.7;
}

.store-name {
    font-weight: 700;
    font-size: 1rem;
}

/* Web App Link */
.webapp-link {
    margin-top: var(--spacing-lg);
}

.webapp-link .btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.webapp-link .btn-outline:hover {
    background: var(--color-white);
    color: var(--color-primary);
}

.webapp-link .btn-outline svg {
    flex-shrink: 0;
}

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

.phone-mockup {
    position: relative;
    width: 280px;
    height: 560px;
    background: var(--color-dark);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-xl);
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 25px;
    background: var(--color-dark);
    border-radius: 20px;
    z-index: 2;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--color-white);
    border-radius: 32px;
    overflow: hidden;
}

.screen-content {
    padding: var(--spacing-md);
    padding-top: 50px;
}

.mock-header {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.mock-event {
    background: var(--color-gray-100);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.mock-badge {
    display: inline-block;
    padding: 2px 8px;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.65rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    margin-bottom: 4px;
}

.mock-badge.conf {
    background: var(--color-success);
}

.mock-badge.atelier {
    background: var(--color-secondary);
}

.mock-title {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-dark);
    margin-bottom: 2px;
}

.mock-date {
    font-size: 0.7rem;
    color: var(--color-gray-500);
}

/* ================================
   Team Section
   ================================ */
.team {
    padding: var(--spacing-3xl) 0;
    background: var(--color-gray-100);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.team-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.team-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.team-photo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto var(--spacing-md);
}

.team-card h3 {
    margin-bottom: var(--spacing-xs);
}

.team-role {
    color: var(--color-gray-500);
    font-size: 0.9rem;
}

/* ================================
   Contact Section
   ================================ */
.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.contact-card {
    background: var(--color-gray-100);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: var(--color-white);
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.contact-card h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark);
}

.contact-card p {
    color: var(--color-gray-500);
    word-break: break-word;
    color: var(--color-secondary-dark);
    border-color: var(--color-white);
}

/* Contact Form */
.contact-form-card {
    cursor: default;
}

.contact-form-card:hover {
    transform: none;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(27, 79, 114, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 80px;
}

.contact-form .btn {
    margin-top: var(--spacing-xs);
}

.cta-card .btn-primary:hover {
    background: var(--color-dark);
    color: var(--color-white);
    border-color: var(--color-dark);
}

/* ================================
   Footer
   ================================ */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .logo {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    color: var(--color-gray-300);
    font-size: 0.9rem;
    max-width: 300px;
}

.footer-links h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links a {
    color: var(--color-gray-300);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-700);
    text-align: center;
}

.footer-bottom p {
    color: var(--color-gray-500);
    font-size: 0.9rem;
}

.footer-simple {
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer-simple p {
    color: var(--color-gray-300);
    font-size: 0.9rem;
}

.footer-simple a {
    color: var(--color-gray-300);
    text-decoration: underline;
}

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

/* ================================
   Legal Pages
   ================================ */
.legal-page {
    padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-3xl);
    min-height: 100vh;
}

.legal-page .container {
    max-width: 800px;
}

.legal-header {
    margin-bottom: var(--spacing-xl);
}

.legal-header h1 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
}

.legal-meta {
    color: var(--color-gray-500);
}

.legal-content h2 {
    font-size: 1.5rem;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.legal-content p {
    margin-bottom: var(--spacing-md);
}

.legal-content ul {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.legal-content li {
    list-style: disc;
    margin-bottom: var(--spacing-xs);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

.back-link:hover {
    text-decoration: underline;
}

/* ================================
   Animations
   ================================ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ================================
   Responsive Design
   ================================ */
@media (max-width: 1024px) {
    .hero-content,
    .app-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .hero-visual {
        order: -1;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }
}

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

    .mobile-menu-btn {
        display: flex;
    }

    .hero-card {
        max-width: 100%;
    }

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

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

    .phone-mockup {
        width: 240px;
        height: 480px;
    }

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

    .store-btn {
        justify-content: center;
    }

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

    .footer-brand p {
        max-width: 100%;
    }

    .footer-brand .logo {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }

    .btn-lg {
        width: 100%;
    }

    .contact-content {
        gap: var(--spacing-lg);
    }
}