/* ========================================
   RESET & BASE STYLES
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #06b6d4;
    --primary-dark: #0891b2;
    --bg-dark: #0a1628;
    --bg-darker: #050d1a;
    --bg-section: #111827;
    --text-light: #ffffff;
    --text-gray: #9ca3af;
    --accent-gradient: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
}

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

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    padding: 1rem 0;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.75rem;
    font-weight: bold;
}

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

.nav-menu {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    transition: color 0.3s ease;
    font-weight: 500;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: rgba(10, 22, 40, 0.98);
    backdrop-filter: blur(10px);
    z-index: 999;
    padding: 5rem 2rem;
    transition: right 0.3s ease;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
}

.mobile-menu ul {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.mobile-link {
    font-size: 1.25rem;
    transition: color 0.3s ease;
}

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

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
                url('https://images.unsplash.com/photo-1517248135467-4c7edcad34c4?w=1600&q=80') center/cover;
    text-align: center;
}

.hero-content {
    max-width: 900px;
    padding: 2rem;
    animation: fadeInUp 1s ease;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 2.5rem;
}

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

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--text-light);
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(6, 182, 212, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
}

/* ========================================
   CONTAINER & SECTIONS
   ======================================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 5rem 0;
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.section-header h3 {
    font-size: 2rem;
}

.section-title-center {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 4rem;
}

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

/* ========================================
   SERVICES SECTION
   ======================================== */
.services-section {
    background: var(--bg-section);
}

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

.card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    height: 300px;
    cursor: pointer;
    transition: all 0.4s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.card:hover .card-image {
    transform: scale(1.1);
}

.card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    padding: 2rem;
    transition: all 0.4s ease;
}

.card-overlay h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.card-overlay p {
    color: var(--text-gray);
}

/* ========================================
   STATISTICS SECTION
   ======================================== */
.stats-section {
    background: linear-gradient(135deg, #0a1628 0%, #1e3a5f 100%);
    padding: 5rem 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 4rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-top: 1rem;
}

/* ========================================
   TESTIMONIALS SECTION
   ======================================== */
.testimonials-section {
    background: var(--bg-section);
}

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

.testimonial-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(6, 182, 212, 0.5);
    transform: translateY(-5px);
}

.testimonial-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--bg-dark);
    margin-right: 1rem;
}

.testimonial-info h4 {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.testimonial-info p {
    font-size: 0.875rem;
    color: var(--text-gray);
}

.testimonial-text {
    color: var(--text-gray);
    line-height: 1.8;
}

/* ========================================
   GALLERY SECTION
   ======================================== */
.gallery-section {
    background: #1f2937;
}

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

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    cursor: pointer;
    aspect-ratio: 1;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(6, 182, 212, 0.8), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay span {
    font-weight: 600;
    font-size: 1.125rem;
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
    position: relative;
    height: 400px;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
                url('https://images.unsplash.com/photo-1600607687920-4e2a09cf159d?w=1600&q=80') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cta-content {
    text-align: center;
    padding: 2rem;
}

.cta-content h2 {
    font-size: 3rem;
    margin-bottom: 2rem;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--bg-darker);
    padding: 4rem 2rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-logo {
    font-size: 1.75rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.footer-col h4 {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.footer-col p {
    color: var(--text-gray);
    line-height: 1.8;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-col a {
    color: var(--text-gray);
    transition: color 0.3s ease;
}

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

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

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

    .mobile-menu-btn {
        display: flex;
    }

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

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

    .section-header h2,
    .section-title-center {
        font-size: 1.75rem;
    }

    .section-header h3 {
        font-size: 1.5rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .cta-content h2 {
        font-size: 1.75rem;
    }

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

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }
}
/* ========================================
   CONTACT FORM SECTION
   ======================================== */
.contact-form-section {
    background: var(--bg-section);
    padding: 5rem 2rem;
}

.form-subtitle {
    font-size: 1.125rem;
    color: var(--text-gray);
    margin-top: 1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.form-container {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(6, 182, 212, 0.2);
    margin-bottom: 3rem;
}

.contact-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-gray);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(31, 41, 55, 0.5);
    border: 1px solid rgba(107, 114, 128, 0.3);
    border-radius: 8px;
    color: var(--text-light);
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
    background: rgba(31, 41, 55, 0.8);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2306b6d4' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.btn-full {
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1.125rem;
    margin-top: 1rem;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-message.success {
    display: block;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10b981;
}

.form-message.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

/* Contact Info Cards */
.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.contact-info-card {
    background: rgba(31, 41, 55, 0.5);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(107, 114, 128, 0.2);
    transition: all 0.3s ease;
}

.contact-info-card:hover {
    background: rgba(31, 41, 55, 0.8);
    border-color: rgba(6, 182, 212, 0.4);
    transform: translateY(-5px);
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-info-card h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.contact-info-card p {
    color: var(--text-gray);
}

@media (max-width: 768px) {
    .form-container {
        padding: 2rem 1.5rem;
    }
    
    .contact-info-grid {
        grid-template-columns: 1fr;
    }
}
