/* ==================== */
/* Design Tokens        */
/* ==================== */

:root {
    /* Colors - Warm Sunset Theme */
    --primary: #FF6B35;           /* Sunset Orange */
    --primary-light: #FF8C5A;
    --primary-dark: #E85A2A;
    
    --secondary: #FFA726;         /* Amber Gold */
    --secondary-light: #FFB74D;
    --secondary-dark: #F57C00;
    
    --accent: #D84315;            /* Deep Festival Red */
    --accent-light: #E64A19;
    
    --tertiary: #FFD54F;          /* Golden Yellow */
    
    --background: #FFFBF5;        /* Warm Cream */
    --card-bg: #FFFFFF;
    --surface-light: #FFF8E1;
    
    --text-primary: #3E2723;      /* Deep Brown */
    --text-secondary: #6D4C41;
    --text-light: #9E9E9E;
    
    /* Typography */
    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

/* ==================== */
/* Global Styles        */
/* ==================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background-color: var(--background);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ==================== */
/* Typography           */
/* ==================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-lg);
}

h1 {
    font-size: clamp(28px, 8vw, 56px);
    letter-spacing: -0.5px;
}

h2 {
    font-size: clamp(24px, 6vw, 40px);
    letter-spacing: -0.3px;
}

h3 {
    font-size: clamp(20px, 5vw, 28px);
}

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

strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* ==================== */
/* Navigation           */
/* ==================== */

.navbar {
    position: sticky;
    top: 0;
    background: var(--card-bg);
    border-bottom: 1px solid rgba(255, 107, 53, 0.1);
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    font-weight: 700;
    font-size: 20px;
    cursor: pointer;
}

.logo-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    display: block;
}

.logo-text {
    display: flex;
    gap: 2px;
    font-weight: 700;
    font-size: 20px;
}

.logo-text1 {
    color: var(--primary);
}

.logo-text2 {
    color: var(--secondary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.cta-btn {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white !important;
    padding: 8px 20px;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(255, 107, 53, 0.2);
}

.cta-btn::after {
    display: none;
}

/* ==================== */
/* Containers           */
/* ==================== */

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

/* ==================== */
/* Buttons              */
/* ==================== */

.btn {
    padding: 14px 28px;
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(255, 107, 53, 0.25);
}

.btn-secondary {
    background: var(--card-bg);
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--surface-light);
}

.btn-large {
    padding: 16px 48px;
    font-size: 18px;
}

/* ==================== */
/* Hero Section         */
/* ==================== */

.hero {
    padding: var(--spacing-3xl) var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.08), transparent);
    border-radius: 50%;
    z-index: 0;
    animation: float 8s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(30px); }
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-title {
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
}

.hero-ctas {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.hero-tag {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

/* ==================== */
/* Sections             */
/* ==================== */

.section-title {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: var(--spacing-2xl);
}

/* Why Section */
.why-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: linear-gradient(135deg, var(--surface-light), var(--background));
}

.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.benefit-card {
    background: var(--card-bg);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(255, 107, 53, 0.12);
}

.benefit-icon {
    font-size: 40px;
    margin-bottom: var(--spacing-lg);
}

.benefit-title {
    color: var(--primary);
    margin-bottom: var(--spacing-lg);
}

.benefit-list {
    list-style: none;
}

.benefit-list li {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--text-secondary);
    line-height: 1.8;
}

.benefit-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: 700;
    font-size: 18px;
}

/* How Section */
.how-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.steps-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    overflow-x: auto;
    padding: var(--spacing-xl) 0;
    flex-wrap: wrap;
    justify-content: center;
}

.step {
    flex: 0 0 calc(25% - var(--spacing-md) / 4);
    min-width: 200px;
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: var(--transition);
}

.step:hover {
    box-shadow: 0 8px 16px rgba(255, 107, 53, 0.12);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 20px;
    margin: 0 auto var(--spacing-lg);
}

.step-title {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.step-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.step-divider {
    font-size: 24px;
    color: var(--secondary);
    font-weight: 300;
    display: none;
}

@media (min-width: 768px) {
    .steps-container {
        flex-wrap: nowrap;
        overflow-x: visible;
    }
    
    .step {
        flex: 1;
    }
    
    .step-divider {
        display: block;
    }
}

/* Features Section */
.features-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: var(--surface-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(255, 107, 53, 0.12);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-lg);
}

.feature-item h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: 18px;
}

.feature-item p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

/* ==================== */
/* Carousel Styles      */
/* ==================== */

.demo-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.demo-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
}

.demo-container {
    max-width: 900px;
    margin: 0 auto;
}

.screenshot-carousel {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.carousel-wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel-slide {
    min-width: 100%;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
    aspect-ratio: 16 / 9;
    background: var(--surface-light);
    padding: var(--spacing-lg);
}

.carousel-caption {
    text-align: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.05), rgba(255, 215, 79, 0.05));
    color: var(--text-primary);
    font-weight: 600;
    font-size: 14px;
    margin: 0;
}

/* Carousel Controls */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    color: var(--primary);
    font-size: 24px;
    padding: 12px 16px;
    cursor: pointer;
    z-index: 10;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    font-weight: bold;
}

.carousel-btn:hover {
    background: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    color: var(--secondary);
}

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

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

/* Carousel Indicators */
.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.5);
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 107, 53, 0.3);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background: var(--primary);
    width: 32px;
    border-radius: 6px;
}

.indicator:hover {
    background: var(--secondary);
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.05), rgba(255, 215, 79, 0.05));
}

.cta-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 18px;
    margin-bottom: var(--spacing-2xl);
}

.signup-form {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 0.8fr auto;
    gap: var(--spacing-md);
    align-items: end;
}

.form-group {
    display: flex;
}

.form-group input,
.form-group select,
.form-group .form-textarea {
    width: 100%;
    padding: 14px var(--spacing-md);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-lg);
    font-family: var(--font-body);
    font-size: 14px;
    transition: var(--transition);
    line-height: 1.5;
}

.form-group input:focus,
.form-group select:focus,
.form-group .form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-group input::placeholder,
.form-group .form-textarea::placeholder {
    color: var(--text-light);
}

.form-group .form-textarea {
    resize: none;
    min-height: 48px;
    padding-top: 10px;
    padding-bottom: 10px;
}

.signup-form button {
    padding: 14px 32px;
}

.app-links {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.footer .app-links {
    text-align: center;
    padding: 0;
}

.app-links-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer .app-links-title {
    color: rgba(255, 255, 255, 0.9);
}

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

.app-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid rgba(255, 107, 53, 0.2);
    border-radius: var(--radius-lg);
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
}

.footer .app-link {
    background: rgba(255, 107, 53, 0.2);
    border: 1px solid rgba(255, 107, 53, 0.4);
    color: white;
}

.app-link:hover {
    background: rgba(255, 107, 53, 0.15);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.app-link svg {
    width: 20px;
    height: 20px;
}

.form-note {
    text-align: center;
    font-size: 12px;
    color: var(--text-light);
}

/* ==================== */
/* Footer               */
/* ==================== */

.footer {
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-xl);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
    align-items: center;
}

.footer-brand {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-logo-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    display: block;
}

.footer-brand h4 {
    color: var(--secondary);
    font-size: 20px;
    margin-bottom: var(--spacing-md);
    margin: 0;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    margin: 0;
}

.footer-bar {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-xl);
    text-align: center;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
}

.footer-bar p {
    color: rgba(255, 255, 255, 0.95);
}

.heart {
    color: var(--primary);
}

/* ==================== */
/* Image Loading        */
/* ==================== */

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

img.loaded {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ==================== */
/* Responsive           */
/* ==================== */

@media (max-width: 768px) {
    .nav-links {
        gap: var(--spacing-md);
    }
    
    .two-column {
        grid-template-columns: 1fr;
    }
    
    .hero-ctas {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .btn {
        width: 100%;
    }
    
    .step {
        flex: 0 0 100%;
    }
    
    .signup-form {
        grid-template-columns: 1fr;
    }
    
    .app-buttons {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .app-link {
        width: 100%;
        justify-content: center;
    }
    
    .footer .app-links {
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        align-items: flex-start;
    }
    
    .carousel-btn {
        padding: 10px 12px;
        font-size: 18px;
    }
    
    .carousel-prev {
        left: var(--spacing-md);
    }
    
    .carousel-next {
        right: var(--spacing-md);
    }
    
    .carousel-indicators {
        gap: 6px;
        padding: var(--spacing-md);
    }
    
    .indicator {
        width: 10px;
        height: 10px;
    }
    
    .indicator.active {
        width: 24px;
    }
    
    .carousel-caption {
        padding: var(--spacing-md);
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .nav-links {
        display: none;
    }
    
    body {
        font-size: 14px;
    }
    
    .section-container {
        padding: 0 var(--spacing-md);
    }
    
    .benefit-card,
    .step,
    .feature-item {
        padding: var(--spacing-lg);
    }
    
    .carousel-btn {
        padding: 8px 10px;
        font-size: 16px;
    }
    
    .carousel-slide img {
        aspect-ratio: 9 / 16;
        padding: var(--spacing-md);
    }
}

/* ==================== */
/* Accessibility        */
/* ==================== */

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* Focus styles for keyboard navigation */
button:focus,
a:focus,
input:focus,
select:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}