/* ===========================
   CSS Custom Properties
   =========================== */
:root {
    /* Colors */
    --primary: #0a192f;
    --primary-light: #112240;
    --secondary: #64ffda;
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --text: #e6f1ff;
    --text-muted: #8892b0;
    --white: #ffffff;
    --bg: #0a192f;
    --card-bg: #112240;
    --card-border: rgba(100, 255, 218, 0.1);

    /* Shadows & Effects */
    --shadow: 0 20px 50px rgba(2, 12, 27, 0.5);
    --transition: all 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);

    /* Typography */
    --font-main: 'Inter', sans-serif;
    --font-display: 'Playfair Display', serif;

    /* Spacing */
    --section-padding: 100px;
    --container-max: 1200px;
    --container-padding: 24px;
}

/* ===========================
   Reset & Base Styles
   =========================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ===========================
   Layout
   =========================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--section-padding) 0;
}

/* ===========================
   Typography
   =========================== */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

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

/* ===========================
   Navbar
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    padding: 12px 0;
    box-shadow: 0 10px 30px rgba(2, 12, 27, 0.5);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text);
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--secondary), #4fd1c5);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(100, 255, 218, 0.3);
}

.logo-text span {
    color: var(--secondary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    color: var(--text);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 10px 18px;
    border-radius: 30px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--secondary);
    background: rgba(100, 255, 218, 0.1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 28px;
    height: 2px;
    background: var(--secondary);
    transition: var(--transition);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #0a192f 0%, #112240 50%, #0a192f 100%);
    overflow: hidden;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(100, 255, 218, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(245, 158, 11, 0.06) 0%, transparent 50%);
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(100, 255, 218, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(100, 255, 218, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(100, 255, 218, 0.1);
    border: 1px solid rgba(100, 255, 218, 0.2);
    color: var(--secondary);
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.text-gradient {
    background: linear-gradient(135deg, var(--secondary), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary), #4fd1c5);
    color: var(--primary);
    box-shadow: 0 10px 30px rgba(100, 255, 218, 0.25);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(100, 255, 218, 0.35);
}

.btn-outline {
    border-color: var(--secondary);
    color: var(--secondary);
    background: transparent;
}

.btn-outline:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateY(-3px);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: rgba(17, 34, 64, 0.6);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    backdrop-filter: blur(10px);
}

.stat-number {
    display: block;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator a {
    color: var(--secondary);
    font-size: 1.5rem;
    animation: bounce 1.5s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ===========================
   Section Headers
   =========================== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 70px;
}

.section-tag {
    display: inline-block;
    color: var(--secondary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--text);
    margin-bottom: 20px;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* ===========================
   About Section
   =========================== */
.about {
    background: var(--bg);
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 80px;
}

.about-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 40px 30px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
    border-color: rgba(100, 255, 218, 0.3);
}

.about-card:hover::before {
    transform: scaleX(1);
}

.about-card.featured {
    grid-column: span 1;
    background: linear-gradient(135deg, rgba(17, 34, 64, 0.95), rgba(10, 25, 47, 0.95));
}

.about-icon {
    width: 60px;
    height: 60px;
    background: rgba(100, 255, 218, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.about-card h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    color: var(--text);
}

.about-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.partner-name {
    color: var(--secondary) !important;
    font-weight: 600;
    margin-bottom: 8px;
}

.team-section {
    text-align: center;
}

.team-title {
    font-size: 1.8rem;
    margin-bottom: 40px;
    color: var(--text);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.team-member {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 25px 15px;
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-5px);
    border-color: rgba(100, 255, 218, 0.3);
}

.team-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--secondary), #4fd1c5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    color: var(--primary);
    font-weight: 700;
    font-size: 1rem;
}

.team-member h4 {
    font-size: 0.95rem;
    margin-bottom: 5px;
    color: var(--text);
}

.team-member span {
    font-size: 0.8rem;
    color: var(--secondary);
    font-weight: 600;
}

/* ===========================
   Services Section
   =========================== */
.services {
    background: var(--primary-light);
    position: relative;
}

.services-category {
    margin-bottom: 70px;
}

.services-category:last-child {
    margin-bottom: 0;
}

.category-title {
    font-size: 1.5rem;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
}

.category-title i {
    color: var(--secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 30px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: linear-gradient(180deg, transparent, rgba(100, 255, 218, 0.05));
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(100, 255, 218, 0.3);
    box-shadow: var(--shadow);
}

.service-card:hover::after {
    height: 100%;
}

.service-icon {
    width: 55px;
    height: 55px;
    background: rgba(100, 255, 218, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    font-size: 1.4rem;
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--secondary);
    color: var(--primary);
}

.service-card h4 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: var(--text);
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ===========================
   Why Choose Us
   =========================== */
.why-us {
    background: var(--bg);
}

.why-us-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.why-us-content .section-title,
.why-us-content .section-desc {
    text-align: left;
}

.why-us-content .section-header {
    text-align: left;
    margin: 0 0 30px 0;
}

.feature-list {
    list-style: none;
    margin-top: 30px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 18px;
    color: var(--text-muted);
    font-size: 1rem;
}

.feature-list i {
    color: var(--secondary);
    font-size: 1.2rem;
}

.why-us-image {
    display: flex;
    justify-content: center;
}

.image-card {
    background: linear-gradient(135deg, rgba(17, 34, 64, 0.95), rgba(10, 25, 47, 0.95));
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 60px 40px;
    text-align: center;
    max-width: 400px;
    position: relative;
    box-shadow: var(--shadow);
}

.image-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    border-radius: 26px;
    z-index: -1;
    opacity: 0.3;
}

.image-icon {
    width: 100px;
    height: 100px;
    background: rgba(100, 255, 218, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    color: var(--secondary);
    font-size: 2.5rem;
}

.image-card h3 {
    font-size: 1.6rem;
    margin-bottom: 16px;
    color: var(--text);
}

.image-card p {
    color: var(--text-muted);
}

/* ===========================
   Clients Section
   =========================== */
.clients {
    background: var(--bg);
}

.client-categories {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.client-tab {
    padding: 12px 24px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 50px;
    color: var(--text-muted);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.client-tab:hover {
    border-color: var(--secondary);
    color: var(--secondary);
}

.client-tab.active {
    background: var(--secondary);
    color: var(--primary);
    border-color: var(--secondary);
}

.client-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.client-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.client-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.client-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    padding: 25px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transition);
}

.client-card:hover {
    transform: translateY(-5px);
    border-color: rgba(100, 255, 218, 0.3);
    box-shadow: 0 10px 30px rgba(2, 12, 27, 0.4);
}

.client-card i {
    width: 45px;
    height: 45px;
    background: rgba(100, 255, 218, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.client-card span {
    font-weight: 600;
    color: var(--text);
    font-size: 0.95rem;
}

/* ===========================
   Contact Section
   =========================== */
.contact {
    background: var(--primary-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 28px;
    display: flex;
    gap: 20px;
    transition: var(--transition);
}

.contact-card:hover {
    border-color: rgba(100, 255, 218, 0.3);
    transform: translateX(5px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(100, 255, 218, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-detail h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text);
}

.contact-detail p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 5px;
}

.contact-detail a {
    color: var(--text-muted);
}

.contact-detail a:hover {
    color: var(--secondary);
}

.contact-form-wrapper {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 40px;
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--text);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: rgba(10, 25, 47, 0.5);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    color: var(--text);
    font-family: var(--font-main);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(100, 255, 218, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.btn-full {
    width: 100%;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: #020c1b;
    padding: 80px 0 30px;
    border-top: 1px solid rgba(100, 255, 218, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 50px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-links h4,
.footer-services h4,
.footer-contact h4 {
    color: var(--text);
    margin-bottom: 24px;
    font-size: 1.1rem;
}

.footer-links ul,
.footer-services ul {
    list-style: none;
}

.footer-links li,
.footer-services li {
    margin-bottom: 12px;
}

.footer-links a,
.footer-services a {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.footer-links a:hover,
.footer-services a:hover {
    color: var(--secondary);
    padding-left: 5px;
}

.footer-contact p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 10px;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid rgba(100, 255, 218, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

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

.footer-signature {
    color: var(--secondary) !important;
}

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

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-card.featured {
        grid-column: span 1;
    }
    
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .why-us-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 25, 47, 0.98);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 50px;
        gap: 20px;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 1.1rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
.section {
    padding: var(--section-padding) 0;
}
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .client-categories {
        flex-direction: column;
        align-items: center;
    }
    
    .client-tab {
        width: 100%;
        text-align: center;
    }
}