:root {
    --primary-blue: #003366;
    --primary-blue-dark: #002244;
    --accent-blue: #0073e6;
    --bg-white: #ffffff;
    --bg-gray: #f5f5f7;
    --text-primary: #1d1d1f;
    --text-secondary: #6e6e73;
    --text-muted: #86868b;
    --border-color: #d2d2d7;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-white);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.landing-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.landing-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    border-bottom-color: var(--border-color);
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.05);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
}

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

.header-logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 400;
    transition: color 0.2s ease;
    position: relative;
}

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

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

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

.login-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--primary-blue);
    color: white;
    text-decoration: none;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.login-button:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 51, 102, 0.3);
}

.login-button svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--text-primary);
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 2rem 80px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="none"/><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    max-width: 1400px;
    width: 100%;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-headline {
    font-size: clamp(48px, 8vw, 80px);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subheadline {
    font-size: clamp(20px, 3vw, 28px);
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    line-height: 1.4;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    background: white;
    color: var(--primary-blue);
    text-decoration: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.hero-image-placeholder {
    margin-top: 4rem;
    width: 100%;
    max-width: 1200px;
    aspect-ratio: 16 / 9;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.2rem;
    backdrop-filter: blur(10px);
}

.hero-logo-banner {
    margin-top: 4rem;
    width: 100%;
    max-width: 1400px;
    height: 120px;
    overflow: hidden;
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
}

.logo-scroll-container {
    width: 100%;
    height: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.logo-scroll-track {
    display: flex;
    align-items: center;
    gap: 5rem;
    height: 100%;
    animation: scroll-logos 40s linear infinite;
    will-change: transform;
    padding: 0 2rem;
}

.logo-scroll-track:hover {
    animation-play-state: paused;
}

.logo-item {
    flex-shrink: 0;
    width: 180px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.85;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.logo-item:hover {
    opacity: 1;
    transform: scale(1.1);
}

.logo-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

@keyframes scroll-logos {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.section {
    padding: 60px 0;
    position: relative;
}

.section-alt {
    background: var(--bg-gray);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: clamp(40px, 6vw, 64px);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.1;
}

.section-subtitle {
    font-size: clamp(18px, 2.5vw, 24px);
    font-weight: 400;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.5;
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 0;
}

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

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

.feature-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    line-height: 1.2;
}

.feature-description {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--text-secondary);
    line-height: 1.6;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.feature-list li::before {
    content: '✓';
    color: var(--accent-blue);
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 4 / 3;
    background: #e5e5e5;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
}

.horizontal-scroll-section {
    padding: 60px 0;
    background: var(--bg-white);
    overflow: hidden;
}

.scroll-container {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 2rem;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.scroll-container::-webkit-scrollbar {
    display: none;
}

.scroll-card {
    flex: 0 0 320px;
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    scroll-snap-align: start;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.scroll-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.scroll-card-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

.scroll-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.scroll-card-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.cta-section {
    padding: 50px 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    text-align: center;
    color: white;
}

.cta-title {
    font-size: clamp(40px, 6vw, 64px);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.cta-subtitle {
    font-size: clamp(18px, 2.5vw, 24px);
    font-weight: 400;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    background: white;
    color: var(--primary-blue);
    text-decoration: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.landing-footer {
    background: var(--text-primary);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-column h3 {
    color: white;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: 0.01em;
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 0;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
}

.coming-soon-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: 64px;
}

.coming-soon-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 2rem;
}

.coming-soon-message {
    max-width: 600px;
}

.coming-soon-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.coming-soon-text {
    font-size: clamp(18px, 2vw, 22px);
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.email-signup {
    max-width: 400px;
    margin: 0 auto;
}

.email-signup input {
    width: 100%;
    padding: 1rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 30px;
    font-size: 1rem;
    font-family: inherit;
    margin-bottom: 1rem;
    transition: border-color 0.2s ease;
}

.email-signup input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.email-signup button {
    width: 100%;
    padding: 1rem 1.5rem;
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
}

.email-signup button:hover {
    background: var(--primary-blue-dark);
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 768px) {
    .header-nav {
        gap: 1rem;
        position: relative;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        border-top: 1px solid var(--border-color);
        margin-top: 1rem;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 0.75rem 0;
    }

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

    .hero-section {
        padding: 100px 1.5rem 60px;
    }

    .section {
        padding: 40px 0;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .scroll-card {
        flex: 0 0 280px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 0 1rem;
    }

    .container {
        padding: 0 1rem;
    }

    .hero-headline {
        font-size: 36px;
    }

    .hero-subheadline {
        font-size: 18px;
    }

    .section-title {
        font-size: 32px;
    }
}