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

:root {
    --black: #000000;
    --white: #FFFFFF;
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F5;
    --gray-200: #E5E5E5;
    --gray-300: #D1D1D1;
    --gray-400: #A8A8A8;
    --gray-500: #808080;
    --gray-600: #5E5E5E;
    --gray-700: #404040;
    --gray-800: #2B2B2B;
    --gray-900: #1A1A1A;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.highlight {
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 0;
    width: 100%;
    height: 12px;
    background: var(--black);
    opacity: 0.1;
    z-index: -1;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--gray-200);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 48px;
}

.nav-menu a {
    color: var(--black);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s;
    position: relative;
}

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

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

.cta-btn {
    background: var(--black);
    color: var(--white);
    padding: 12px 32px;
    border: 2px solid var(--black);
    border-radius: 6px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
    letter-spacing: 0.5px;
}

.cta-btn:hover {
    background: var(--white);
    color: var(--black);
    transform: translateY(-1px);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.menu-toggle span {
    width: 28px;
    height: 2px;
    background: var(--black);
    border-radius: 2px;
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: var(--white);
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(var(--gray-200) 1px, transparent 1px),
        linear-gradient(90deg, var(--gray-200) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
    z-index: -1;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: 80px 0;
}

.hero-badge {
    display: inline-block;
    padding: 10px 24px;
    background: var(--black);
    color: var(--white);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 32px;
}

.hero-title {
    font-size: clamp(42px, 6vw, 72px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 32px;
    letter-spacing: -3px;
    color: var(--black);
}

.hero-subtitle {
    font-size: clamp(18px, 2vw, 22px);
    color: var(--gray-600);
    margin-bottom: 48px;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 80px;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--black);
    color: var(--white);
    padding: 20px 48px;
    border: 2px solid var(--black);
    border-radius: 6px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    background: var(--white);
    color: var(--black);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.btn-primary.large {
    padding: 24px 56px;
    font-size: 18px;
}

.btn-secondary {
    background: var(--white);
    color: var(--black);
    padding: 20px 48px;
    border: 2px solid var(--black);
    border-radius: 6px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    letter-spacing: 0.5px;
}

.btn-secondary:hover {
    background: var(--black);
    color: var(--white);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 56px;
    font-weight: 900;
    color: var(--black);
    letter-spacing: -2px;
}

.stat-label {
    font-size: 12px;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 8px;
    text-align: center;
    font-weight: 700;
}

.stat-divider {
    width: 1px;
    height: 60px;
    background: var(--gray-300);
}

/* Featured Product */
.featured-product {
    padding: 120px 0;
    background: var(--gray-50);
}

.product-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.phone-frame {
    width: 320px;
    height: 640px;
    background: var(--black);
    border-radius: 40px;
    padding: 20px;
    margin: 0 auto;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--gray-900), var(--black));
    border-radius: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hq-logo {
    font-size: 120px;
    font-weight: 900;
    color: var(--white);
    letter-spacing: -5px;
}

.live-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--white);
    color: var(--black);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 1px;
}

.badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--black);
    color: var(--white);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.product-info h2 {
    font-size: clamp(36px, 4vw, 56px);
    font-weight: 900;
    margin-bottom: 16px;
    letter-spacing: -2px;
}

.product-tagline {
    font-size: 20px;
    color: var(--gray-600);
    margin-bottom: 24px;
    font-weight: 600;
}

.product-description {
    font-size: 16px;
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: 40px;
}

.product-features {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.feature-text p {
    color: var(--gray-600);
    line-height: 1.7;
    font-size: 15px;
}

.recognition {
    padding: 24px;
    background: var(--white);
    border-left: 4px solid var(--black);
}

.recognition p {
    color: var(--gray-700);
    font-size: 14px;
    line-height: 1.7;
}

/* Company */
.company {
    padding: 120px 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: clamp(36px, 4vw, 56px);
    font-weight: 900;
    margin-bottom: 20px;
    letter-spacing: -2px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

.founders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.founder-card {
    background: var(--gray-50);
    padding: 48px 40px;
    border-radius: 8px;
    border: 2px solid var(--gray-200);
    transition: all 0.4s;
    text-align: center;
}

.founder-card:hover {
    transform: translateY(-8px);
    border-color: var(--black);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.founder-initial {
    width: 80px;
    height: 80px;
    background: var(--black);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 900;
    margin: 0 auto 24px;
}

.founder-card h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.founder-title {
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.founder-bio {
    color: var(--gray-700);
    line-height: 1.8;
    font-size: 15px;
}

/* Mission */
.mission {
    padding: 120px 0;
    background: var(--black);
    color: var(--white);
}

.mission-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.mission-content h2 {
    font-size: clamp(36px, 4vw, 52px);
    font-weight: 900;
    margin-bottom: 32px;
    letter-spacing: -2px;
}

.mission-statement {
    font-size: clamp(18px, 2vw, 24px);
    line-height: 1.8;
    color: var(--gray-300);
}

.mission-statement strong {
    color: var(--white);
    font-weight: 700;
}

/* Investors */
.investors {
    padding: 120px 0;
    background: var(--white);
}

.investors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.investor-card {
    background: var(--gray-50);
    padding: 40px 32px;
    border-radius: 8px;
    border: 2px solid var(--gray-200);
    text-align: center;
    transition: all 0.4s;
}

.investor-card:hover {
    transform: translateY(-8px);
    border-color: var(--black);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.08);
}

.investor-name {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.investor-card p {
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 600;
}

/* Recognition */
.recognition-section {
    padding: 120px 0;
    background: var(--gray-50);
}

.recognition-section h2 {
    font-size: clamp(36px, 4vw, 52px);
    font-weight: 900;
    margin-bottom: 60px;
    text-align: center;
    letter-spacing: -2px;
}

.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.award-card {
    background: var(--white);
    padding: 48px 40px;
    border-radius: 8px;
    border: 2px solid var(--gray-200);
    text-align: center;
    transition: all 0.4s;
}

.award-card:hover {
    transform: translateY(-8px);
    border-color: var(--black);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.award-year {
    font-size: 48px;
    font-weight: 900;
    color: var(--gray-300);
    letter-spacing: -2px;
    margin-bottom: 20px;
}

.award-card h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.award-card p {
    color: var(--gray-600);
    font-size: 16px;
}

/* CTA Banner */
.cta-banner {
    padding: 120px 0;
    background: var(--black);
    text-align: center;
    color: var(--white);
}

.cta-banner h2 {
    font-size: clamp(36px, 4vw, 60px);
    font-weight: 900;
    margin-bottom: 24px;
    letter-spacing: -2px;
}

.cta-banner p {
    font-size: 20px;
    margin-bottom: 48px;
    color: var(--gray-300);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.cta-banner .btn-primary {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
}

.cta-banner .btn-primary:hover {
    background: var(--black);
    color: var(--white);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 100px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 80px;
    margin-bottom: 80px;
}

.footer-logo {
    margin-bottom: 24px;
}

.footer-logo img {
    height: 48px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-col p {
    color: var(--gray-400);
    line-height: 1.9;
    font-size: 15px;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 900;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

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

.footer-col ul li {
    margin-bottom: 14px;
}

.footer-col a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.3s;
    font-size: 15px;
}

.footer-col a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--gray-800);
    color: var(--gray-500);
    font-size: 14px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    overflow-y: auto;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.modal-content {
    background: var(--white);
    padding: 60px;
    border-radius: 8px;
    max-width: 600px;
    width: 100%;
    position: relative;
    border: 1px solid var(--gray-200);
}

.close {
    position: absolute;
    top: 24px;
    right: 28px;
    font-size: 32px;
    cursor: pointer;
    color: var(--gray-400);
    transition: color 0.3s;
    font-weight: 300;
}

.close:hover {
    color: var(--black);
}

.modal-header {
    text-align: center;
    margin-bottom: 48px;
}

.modal-header h2 {
    font-size: 36px;
    font-weight: 900;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.modal-header p {
    color: var(--gray-600);
    font-size: 16px;
}

.contact-form .form-group {
    margin-bottom: 28px;
}

.contact-form label {
    display: block;
    margin-bottom: 10px;
    font-weight: 700;
    color: var(--black);
    font-size: 14px;
    letter-spacing: 0.5px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--gray-300);
    border-radius: 6px;
    font-size: 16px;
    transition: all 0.3s;
    font-family: inherit;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--black);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.submit-btn {
    width: 100%;
    padding: 20px;
    background: var(--black);
    color: var(--white);
    border: 2px solid var(--black);
    border-radius: 6px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 16px;
    letter-spacing: 0.5px;
}

.submit-btn:hover {
    background: var(--white);
    color: var(--black);
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

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

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

    .btn-primary,
    .btn-secondary {
        width: 100%;
    }

    .product-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .phone-frame {
        max-width: 280px;
    }

    .founders-grid,
    .investors-grid,
    .awards-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .modal-content {
        padding: 40px 28px;
    }
}