:root {
    --primary-color: #0A2540;
    --accent-color: #00F5D4;
    --text-color-dark: #2c3e50;
    --text-color-light: #5a6e82;
    --background-color: #f8f9fa;
    --white-color: #ffffff;
    --border-color: #e9ecef;

    --font-family-sans: 'Inter', sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition-speed: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-sans);
    background-color: var(--background-color);
    color: var(--text-color-light);
    line-height: 1.6;
    font-weight: var(--font-weight-normal);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-color-dark);
    font-weight: var(--font-weight-semibold);
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--accent-color);
}

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

.container {
    width: 90%;
    max-width: 1140px;
    margin: 0 auto;
}

/* Header */
.header {
    background-color: var(--white-color);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    max-width: 1140px;
    margin: 0 auto;
}

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

.logo {
    height: 40px;
    margin-right: 0.5rem;
}

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

.nav-menu {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    font-weight: var(--font-weight-medium);
    color: var(--text-color-dark);
    padding: 0.5rem 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width var(--transition-speed);
}

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

.coming-soon-highlight {
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-semibold);
}

.coming-soon-highlight:hover {
    color: var(--primary-color);
    opacity: 0.9;
}

.mobile-menu-icon {
    display: none; /* Hidden by default */
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    background-color: var(--white-color);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
}

.hero-badge {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: var(--font-weight-medium);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-color-light);
}

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

.primary-button {
    background-color: var(--primary-color);
    color: var(--white-color);
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-semibold);
    transition: background-color var(--transition-speed);
    border: 1px solid var(--primary-color);
}

.primary-button:hover {
    background-color: #081c33;
    color: var(--white-color);
}

.secondary-button {
    background-color: transparent;
    color: var(--primary-color);
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-semibold);
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed);
}

.secondary-button:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.hero-visual {
    position: relative;
    height: 400px;
}

.abstract-visual {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius);
    background: linear-gradient(45deg, var(--primary-color), #1c3a5e);
    transform: rotate(-10deg) skew(-10deg);
    box-shadow: 0 20px 30px rgba(0,0,0,0.2);
}

.abstract-visual::before, .abstract-visual::after {
    content: '';
    position: absolute;
    border-radius: var(--border-radius);
}

.abstract-visual::before {
    width: 50%;
    height: 50%;
    background: linear-gradient(45deg, var(--accent-color), #00c4a7);
    top: -10%;
    left: -10%;
    transform: rotate(20deg);
    opacity: 0.8;
}

.abstract-visual::after {
    width: 60%;
    height: 60%;
    background: rgba(255, 255, 255, 0.1);
    bottom: -15%;
    right: -15%;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 0 20px rgba(255,255,255,0.2);
    transform: rotate(5deg);
}

/* How It Works Section */
.how-it-works {
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.step {
    background-color: var(--white-color);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed);
}

.step:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow);
}

.step-icon {
    margin-bottom: 1.5rem;
}

.step-icon svg {
    width: 48px;
    height: 48px;
    color: var(--accent-color);
}

.step h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background-color: var(--white-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
    color: var(--primary-color);
}

.feature h3 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

/* CTA Section */
.cta-section {
    background-color: var(--primary-color);
    color: var(--white-color);
    padding: 4rem 0;
    text-align: center;
}

.cta-section h2 {
    color: var(--white-color);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons .large {
    padding: 1rem 3rem;
    font-size: 1.1rem;
}

.cta-section .secondary-button {
    color: var(--white-color);
    border-color: var(--white-color);
}

.cta-section .secondary-button:hover {
    background-color: var(--white-color);
    color: var(--primary-color);
}

/* Launch Banner */
.launch-banner {
    padding: 6rem 0;
}

.launch-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.launch-content h2 {
    font-size: 2.5rem;
}

.email-signup {
    display: flex;
    gap: 0.5rem;
    margin-top: 2rem;
}

.email-input {
    flex-grow: 1;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: var(--font-family-sans);
}

.email-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(10, 37, 64, 0.1);
}

.signup-button {
    background-color: var(--primary-color);
    color: var(--white-color);
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: background-color var(--transition-speed);
}

.signup-button:hover {
    background-color: #081c33;
}

/* Footer */
.footer {
    background-color: var(--white-color);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand .footer-logo {
    height: 40px;
    margin-bottom: 1rem;
}

.footer-brand p {
    max-width: 300px;
}

.link-group h4 {
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 1rem;
}

.link-group a {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color-light);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: var(--text-color-light);
}

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

/* Responsive Styles */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-visual {
        height: 300px;
        margin-top: 2rem;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-actions {
        justify-content: center;
    }

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

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .footer-brand p {
        margin: 0 auto 2rem;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white-color);
        border-top: 1px solid var(--border-color);
        padding: 1rem 0;
        flex-direction: column;
        gap: 0;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

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

    .nav-link {
        padding: 1rem 5%;
        width: 100%;
        text-align: center;
    }

    .nav-link::after {
        display: none; /* Remove underline animation on mobile */
    }

    .coming-soon-highlight {
        width: auto;
        margin: 0.5rem 5%;
    }

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

    .hero-title {
        font-size: 2.8rem;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
    }

    .how-it-works, .features, .launch-banner {
        padding: 4rem 0;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }

    .hero {
        padding: 4rem 0;
    }

    .hero-badge {
        font-size: 0.8rem;
    }

    .hero-title {
        font-size: 2.2rem;
    }

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

    .primary-button,
    .secondary-button {
        padding: 1rem 1.5rem;
        width: 100%;
        font-size: 1rem;
    }

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

    .email-signup {
        flex-direction: column;
    }

    .signup-button {
        width: 100%;
    }

    .step {
        padding: 2rem;
    }
}