/* ByteHarbor Tech - Main Stylesheet */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* CSS Variables */
:root {
    --bg-primary: #0a1628;
    --bg-secondary: #1a1f2e;
    --accent-primary: #00d4ff;
    --accent-secondary: #8b5cf6;
    --highlight: #14b8a6;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --white: #ffffff;
    --gradient-tech: linear-gradient(135deg, #0a1628 0%, #1a1f2e 50%, #0f172a 100%);
    --gradient-accent: linear-gradient(135deg, #00d4ff 0%, #8b5cf6 100%);
    --shadow-soft: 0 4px 20px rgba(0, 212, 255, 0.1);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    color: var(--white);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

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

.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

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

.nav-list {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-link {
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-tech);
    position: relative;
    padding: 8rem 2rem 4rem;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

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

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--white) 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--accent-secondary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

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

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

/* Sections */
.section {
    padding: 5rem 0;
}

.section-dark {
    background: var(--bg-secondary);
}

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

.section-title h2 {
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.section-title p {
    max-width: 600px;
    margin: 1rem auto 0;
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: var(--transition);
    box-shadow: var(--shadow-card);
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-soft);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.card h3 {
    margin-bottom: 1rem;
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: 2rem;
}

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

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Content Sections */
.content-section {
    max-width: 900px;
    margin: 0 auto;
}

.content-section p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    text-align: justify;
}

/* Testimonials */
.testimonials {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.testimonial-card {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid rgba(0, 212, 255, 0.1);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    font-size: 4rem;
    color: var(--accent-primary);
    opacity: 0.3;
    position: absolute;
    top: 1rem;
    left: 1.5rem;
    font-family: Georgia, serif;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--white);
}

.testimonial-info h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.testimonial-info span {
    color: var(--accent-primary);
    font-size: 0.9rem;
}

/* Page Header */
.page-header {
    padding: 10rem 0 4rem;
    background: var(--gradient-tech);
    text-align: center;
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
}

.page-header h1 {
    position: relative;
    z-index: 1;
    margin-bottom: 1rem;
}

.page-header p {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
}

/* Mission Cards */
.mission-card {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 2.5rem;
    border-left: 4px solid var(--accent-primary);
    margin-bottom: 2rem;
}

.mission-card h3 {
    color: var(--accent-primary);
    margin-bottom: 1rem;
}

/* Advantage Cards */
.advantage-card {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 2.5rem;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: var(--transition);
}

.advantage-card:hover {
    border-color: var(--accent-secondary);
    transform: translateY(-5px);
}

.advantage-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-primary);
    opacity: 0.3;
    margin-bottom: 1rem;
}

/* FAQ */
.faq-item {
    background: var(--bg-secondary);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.faq-question {
    width: 100%;
    padding: 1.5rem 2rem;
    background: transparent;
    border: none;
    color: var(--white);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--accent-primary);
}

.faq-icon {
    font-size: 1.5rem;
    transition: var(--transition);
    color: var(--accent-primary);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer-content {
    padding: 0 2rem 1.5rem;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-secondary);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg-primary);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.contact-info {
    background: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-info-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info-text h4 {
    margin-bottom: 0.25rem;
}

.contact-info-text p {
    margin: 0;
}

/* Network Cards */
.network-card {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 2.5rem;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.network-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-accent);
}

.network-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-soft);
}

/* Explore Cards */
.explore-card {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 2.5rem;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: var(--transition);
}

.explore-card:hover {
    border-color: var(--highlight);
}

.explore-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--highlight) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

/* Footer */
.footer {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

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

.footer-section h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.footer-section p {
    color: var(--text-secondary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-primary);
    padding-left: 5px;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    z-index: 9999;
    display: none;
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.3);
}

.cookie-banner.show {
    display: block;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.cookie-text {
    flex: 1;
    min-width: 300px;
}

.cookie-text p {
    margin: 0;
    color: var(--text-secondary);
}

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

.cookie-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.cookie-accept {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

.cookie-accept:hover {
    background: var(--accent-secondary);
    color: var(--white);
}

.cookie-decline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--text-secondary);
}

.cookie-decline:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* Responsive Design */
@media (max-width: 992px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        padding: 2rem;
        flex-direction: column;
        align-items: flex-start;
        border-bottom: 1px solid rgba(0, 212, 255, 0.1);
        transform: translateY(-150%);
        opacity: 0;
        transition: var(--transition);
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .nav-list {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-link {
        display: block;
        padding: 0.75rem 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
}

@media (max-width: 768px) {
    .section {
        padding: 3rem 0;
    }
    
    .hero {
        padding: 6rem 1rem 3rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .page-header {
        padding: 8rem 0 3rem;
    }
    
    .contact-form {
        padding: 2rem;
    }
    
    .footer-grid {
        gap: 2rem;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-buttons {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    
    .btn {
        padding: 0.875rem 2rem;
        font-size: 0.9rem;
    }
    
    .card {
        padding: 1.5rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* Glow Effects */
.glow {
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.glow-hover:hover {
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
}