/* ==========================================
   CSS Variables - Using demo-org colors
   ========================================== */
:root {
    --primary-color: #7092bf;
    --primary-dark: #5a7a9f;
    --primary-light: #8faad1;
    --accent-color: #4a90e2;
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ==========================================
   Container & Layout
   ========================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================
   Header & Navigation
   ========================================== */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 40px;
    height: 40px;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--primary-color);
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

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

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

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

.btn-appstore {
    background: #000;
    color: white;
}

.btn-appstore:hover {
    background: #333;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.appstore-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.btn-playstore {
    background: #01875f;
    color: white;
}

.btn-playstore:hover {
    background: #016d4d;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.playstore-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

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

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

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    color: white;
    padding: 80px 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

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

.browser-frame {
    position: relative;
    background: #f1f3f5;
    padding-top: 34px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
    border: 1px solid rgba(0, 0, 0, 0.08);
    max-width: 560px;
    width: 100%;
    margin: 0 auto;
    animation: float 3s ease-in-out infinite;
}

.browser-frame::before {
    content: "";
    position: absolute;
    top: 12px;
    left: 14px;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: #ff5f57;
    box-shadow: 18px 0 0 #febc2e, 36px 0 0 #28c840;
}

.browser-frame .app-shot {
    border-radius: 0 0 12px 12px;
}

.phone-frame {
    background: #1f2a37;
    padding: 10px;
    border-radius: 36px;
    overflow: hidden;
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
    max-width: 260px;
    width: 100%;
    margin: 0 auto;
}

.phone-frame .app-shot {
    border-radius: 26px;
}

.app-shot {
    width: 100%;
    display: block;
}

.hero-stores {
    margin-top: 2rem;
}

.hero-stores-label {
    display: block;
    font-size: 0.875rem;
    opacity: 0.85;
    margin-bottom: 0.75rem;
}

.hero-stores-badges {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-stores-badges .btn {
    padding: 10px 18px;
    font-size: 0.9rem;
}

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

/* ==========================================
   Section Styles
   ========================================== */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================
   Features Section
   ========================================== */
.features {
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon .material-icons {
    font-size: 32px;
    color: white;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-description {
    color: var(--text-light);
    line-height: 1.8;
}

/* ==========================================
   Showcase Section
   ========================================== */
.showcase {
    background: var(--bg-white);
}

.showcase-wide {
    max-width: 860px;
    margin: 0 auto 4rem;
}

.showcase-phones {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 3rem;
}

.showcase-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.showcase .browser-frame {
    animation: none;
    max-width: 820px;
}

.showcase figcaption {
    color: var(--text-light);
    font-weight: 500;
    text-align: center;
    font-size: 1.05rem;
    max-width: 320px;
}

/* ==========================================
   How It Works Section
   ========================================== */
.steps {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    align-items: start;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.step-icon {
    margin-bottom: 1rem;
}

.step-icon .material-icons {
    font-size: 48px;
    color: var(--primary-color);
}

.step-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.step-description {
    color: var(--text-light);
    line-height: 1.8;
}

/* ==========================================
   Video Section
   ========================================== */
.video-section {
    background: var(--bg-light);
}

.video-container {
    max-width: 900px;
    margin: 0 auto 3rem;
}

.video-short {
    position: relative;
    width: 100%;
    max-width: 340px;
    margin: 0 auto;
    aspect-ratio: 9 / 16;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.video-short iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* ==========================================
   Benefits Section
   ========================================== */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.benefit-item {
    text-align: center;
    padding: 2rem;
}

.benefit-item .material-icons {
    font-size: 64px;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.benefit-item h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.benefit-item p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ==========================================
   CTA Section
   ========================================== */
.cta {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* ==========================================
   Contact Section
   ========================================== */
.contact {
    background: var(--bg-light);
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.contact-item .material-icons {
    font-size: 48px;
    color: var(--primary-color);
}

.contact-details h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.contact-details a {
    color: var(--primary-color);
    font-weight: 500;
}

.contact-details a:hover {
    text-decoration: underline;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-logo {
    width: 48px;
    height: 48px;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
        gap: 1rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .menu-toggle {
        display: block;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-image {
        order: -1;
    }

    .browser-frame {
        max-width: 100%;
    }

    .section-title {
        font-size: 2rem;
    }

    .features-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .step {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .step-number {
        margin: 0 auto;
    }

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0;
    }

    section {
        padding: 60px 0;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

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

    .contact-info {
        grid-template-columns: 1fr;
    }
}

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

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