/* ============================
   ROOT VARIABLES & COLORS
   ============================ */

:root {
    /* Primary Colors - Embrave Sunrise Theme */
    --primary-color: #FF6B35;
    --primary-dark: #EE8913;
    --secondary-color: #FF8C42;
    --accent-color: #EFAB29;
    
    /* Background & Surface Colors */
    --bg-light: #F1E4BA;
    --bg-white: #FFFFFF;
    --surface-light: #F6EFD4;
    
    /* Text Colors */
    --text-dark: #5C120D;
    --text-secondary: #7A2A23;
    --text-muted: #A05A52;
    
    /* Semantic Colors */
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --error-color: #EF4444;
    
    /* Borders */
    --border-color: #E8D8A5;
    --border-dark: #DCC886;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    --font-size-h1: 2.5rem;
    --font-size-h2: 2rem;
    --font-size-h3: 1.5rem;
    --font-size-body: 1rem;
    --font-size-small: 0.875rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px 0 rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px 0 rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 25px 0 rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* ============================
   GLOBAL STYLES
   ============================ */

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

html {
    scroll-behavior: smooth;
    height: 100%;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================
   TYPOGRAPHY
   ============================ */

h1, h2, h3, h4, h5, h6 {
    color: var(--text-dark);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-h1);
}

h2 {
    font-size: var(--font-size-h2);
}

h3 {
    font-size: var(--font-size-h3);
}

p {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-body);
    color: var(--text-secondary);
}

p strong {
    color: var(--text-dark);
    font-weight: 700;
}

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

a:hover {
    color: var(--primary-dark);
}

/* ============================
   CONTAINER & LAYOUT
   ============================ */

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

/* ============================
   HEADER & NAVIGATION
   ============================ */

.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid var(--border-color);
}

.navbar {
    padding: var(--spacing-md) 0;
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.logo-section {
    display: flex;
    align-items: center;
    margin-right: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-text {
    display: inline-block;
    line-height: 1;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    transform: translateY(-1px);
}

.nav-links {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-lg);
    flex: 1;
    margin-left: auto;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    line-height: 1;
    color: var(--text-dark);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

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

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

.app-store-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    border: 2px solid;
    transition: all var(--transition-base);
    font-weight: 600;
    font-size: 0.875rem;
}

.app-store-btn.ios {
    border-color: var(--primary-color);
    color: #ffffff;
    background-color: var(--primary-color);
    box-shadow: 0 6px 18px rgba(255, 107, 53, 0.28);
}

.app-store-btn.ios:hover {
    background-color: var(--primary-dark);
    color: #ffffff;
    border-color: var(--primary-dark);
}

.app-store-btn.google {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: transparent;
}

.app-store-btn.google:hover {
    background-color: var(--primary-color);
    color: var(--bg-white);
}

.app-icon {
    font-size: 1.2rem;
}

.app-text {
    display: inline;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    margin: 5px 0;
    border-radius: 3px;
    transition: all var(--transition-base);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--surface-light);
    border-top: 1px solid var(--border-color);
}

.mobile-nav-link {
    color: var(--text-dark);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
}

.mobile-app-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.app-store-btn.full {
    width: 100%;
    justify-content: center;
}

/* ============================
   HERO SECTION
   ============================ */

.hero {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--surface-light) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.hero-content {
    display: contents;
}

.hero-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-title {
    font-size: var(--font-size-h1);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.placeholder-box {
    width: 80%;
    max-width: 340px;
    aspect-ratio: 1;
    margin: 0 auto;
    background: transparent;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: none;
    overflow: hidden;
    position: relative;
    border: none;
}

.placeholder-box::before {
    content: none;
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: float 6s ease-in-out infinite;
}

.mascot-image {
    width: 115%;
    height: 115%;
    object-fit: contain;
    padding: 0;
    z-index: 1;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) translateX(0px);
    }
    50% {
        transform: translateY(-20px) translateX(-10px);
    }
}

/* ============================
   BUTTONS
   ============================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 12px;
    border: none;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: rgba(255, 107, 53, 0.9);
    color: white;
    box-shadow: 0 8px 32px 0 rgba(255, 107, 53, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--primary-color);
    border: 2px solid rgba(255, 107, 53, 0.6);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn.large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* ============================
   FEATURES SECTION
   ============================ */

.features {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--bg-white);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    font-size: var(--font-size-h2);
    background: linear-gradient(135deg, var(--text-dark), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all var(--transition-base);
    text-align: center;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
}

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

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

.feature-card h3 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ============================
   HOW IT WORKS SECTION
   ============================ */

.how-it-works {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--bg-white);
}

.steps-container {
    display: grid;
    gap: var(--spacing-xl);
    align-items: center;
}

.step {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: 16px;
    border-left: 4px solid var(--primary-color);
    position: relative;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

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

.step p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

.step-arrow {
    display: none;
    font-size: 2rem;
    color: var(--primary-color);
    text-align: center;
    font-weight: bold;
}

/* ============================
   SCREENSHOTS SECTION
   ============================ */

.screenshots {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--bg-white);
}

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

.screenshot-box {
    text-align: center;
}

.placeholder-image {
    width: 100%;
    aspect-ratio: 9 / 16;
    background: rgba(255, 107, 53, 0.85);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    box-shadow: 0 8px 32px rgba(255, 107, 53, 0.3);
    margin-bottom: var(--spacing-md);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.placeholder-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(255, 255, 255, 0.05) 10px,
            rgba(255, 255, 255, 0.05) 20px
        );
    pointer-events: none;
}

.screenshot-label {
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 0;
}

.screenshot-img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 0;
}

.screenshot-frame {
    width: 100%;
    max-width: 100%;
    aspect-ratio: auto;
    margin: 0 auto var(--spacing-md);
    background: none;
    border: none;
    box-shadow: none;
    backdrop-filter: none;
    overflow: hidden;
}

.screenshot-frame::before {
    content: none;
}

.placeholder-image:has(.screenshot-img)::before {
    content: none;
}

/* ============================
   STATS SECTION
   ============================ */

.stats {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: white;
}

.stats .section-title {
    color: white;
    background: none;
    -webkit-text-fill-color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    background-color: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-lg);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    text-align: center;
    backdrop-filter: blur(15px);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.15);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: #ffffff;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
    color: #ffffff;
}

/* ============================
   ABOUT SECTION
   ============================ */

.about {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--bg-white);
}

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

.about-content p {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.about-content p:last-of-type {
    margin-bottom: var(--spacing-lg);
}

.about-cta {
    font-size: 1.125rem;
    color: var(--primary-color);
    font-weight: 600;
}

/* ============================
   CTA SECTION
   ============================ */

.cta {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--bg-light);
    text-align: center;
}

.cta .container {
    max-width: 600px;
}

.cta h2 {
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.cta p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
}

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

/* ============================
   FOOTER
   ============================ */

.footer {
    background: #ffffff;
    color: var(--text-dark);
    padding: var(--spacing-2xl) var(--spacing-md) var(--spacing-lg);
    margin-top: auto;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
    font-weight: 700;
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: 0;
    font-size: 0.95rem;
}

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

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

.footer-section a {
    color: var(--text-dark);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.footer-section a:hover {
    color: var(--primary-dark);
}

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

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0;
}

/* ============================
   RESPONSIVE DESIGN
   ============================ */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    :root {
        --font-size-h1: 2rem;
        --font-size-h2: 1.5rem;
        --font-size-h3: 1.25rem;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .hero-image {
        order: -1;
    }

    .nav-links {
        gap: var(--spacing-md);
    }

    .app-store-buttons {
        gap: 4px;
    }

    .app-store-btn {
        padding: var(--spacing-sm) 12px;
        font-size: 0.75rem;
    }

    .app-icon {
        font-size: 1rem;
    }

    .placeholder-box {
        max-width: 250px;
    }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
    :root {
        --font-size-h1: 1.75rem;
        --font-size-h2: 1.25rem;
        --font-size-h3: 1.125rem;
        --spacing-xl: 24px;
        --spacing-2xl: 32px;
    }

    .navbar-container {
        padding: 0 var(--spacing-md);
    }

    .nav-links {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(10px, 10px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

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

    .app-store-btn.ios,
    .app-store-btn.google {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .app-text {
        display: inline;
    }

    .hero {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .btn {
        width: 100%;
    }

    .placeholder-box {
        max-width: 280px;
    }

    .section-title {
        font-size: var(--font-size-h2);
        margin-bottom: var(--spacing-xl);
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .feature-card {
        padding: var(--spacing-md);
    }

    .feature-icon {
        font-size: 2rem;
        margin-bottom: var(--spacing-sm);
    }

    .steps-container {
        gap: var(--spacing-lg);
    }

    .step {
        padding: var(--spacing-md);
    }

    .step-number {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    .screenshots-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .placeholder-image:not(.screenshot-frame) {
        aspect-ratio: 3 / 4;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .stat-number {
        font-size: 2rem;
    }

    .about-content p {
        font-size: 1rem;
    }

    .cta h2 {
        font-size: var(--font-size-h2);
    }

    .cta-buttons {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .btn.large {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1rem;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
}

/* Small Mobile (< 480px) */
@media (max-width: 480px) {
    :root {
        --spacing-lg: 16px;
        --spacing-xl: 20px;
        --spacing-2xl: 24px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .placeholder-box {
        max-width: 200px;
    }

    .feature-card {
        padding: var(--spacing-sm);
    }

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

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

    .logo-text {
        font-size: 1.25rem;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .cta {
        background-color: var(--bg-white) !important;
    }

    .nav-links,
    .menu-toggle {
        display: none;
    }
}