/* ===== CSS Variables ===== */
:root {
    /* Colors */
    --primary-color: #0a192f;
    --primary-light: #112240;
    --primary-dark: #020c1b;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --accent-hover: #d97706;
    --accent-light: #fbbf24;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --text-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --bg-grey: #e2e8f0;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --error-color: #ef4444;
    
    /* Typography */
    --font-family: 'Roboto', sans-serif;
    --font-size-base: 16px;
    --line-height: 1.7;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 5px 30px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 50px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* ===== Utility Classes ===== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 35px;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: inherit;
}

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

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-block {
    width: 100%;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    display: inline-block;
    color: var(--accent-color);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 10px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-hover));
    margin: 0 auto;
    border-radius: 2px;
}

.title-underline.left {
    margin: 0;
}

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

.navbar.scrolled {
    background-color: var(--primary-color);
    padding: 15px 0;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-white);
}

.logo i {
    color: var(--accent-color);
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-link {
    color: var(--text-white);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

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

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

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 30px;
}

.lang-btn {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 4px;
    transition: var(--transition-fast);
    font-family: inherit;
}

.lang-btn:hover {
    color: var(--text-white);
}

.lang-btn.active {
    color: var(--accent-color);
    background-color: rgba(245, 158, 11, 0.1);
}

.lang-divider {
    color: rgba(255, 255, 255, 0.3);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    z-index: 1001;
}

.hamburger .bar {
    width: 28px;
    height: 3px;
    background-color: var(--text-white);
    border-radius: 3px;
    transition: var(--transition-fast);
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?w=1920');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 25, 47, 0.95) 0%, rgba(10, 25, 47, 0.75) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 850px;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--text-white);
    margin-bottom: 25px;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-white);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    cursor: pointer;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-15px);
    }
    60% {
        transform: translateX(-50%) translateY(-7px);
    }
}

/* ===== Services Section ===== */
.services {
    padding: var(--section-padding);
    background-color: var(--bg-light);
}

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

.service-card {
    background-color: var(--bg-white);
    padding: 45px 35px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
    border: 1px solid var(--border-color);
}

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

.service-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    transform: scale(1.1);
}

.service-icon i {
    font-size: 2.2rem;
    color: var(--text-white);
}

.service-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.service-description {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== Capabilities Section ===== */
.capabilities {
    padding: var(--section-padding);
    background-color: var(--bg-white);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.capability-card {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
}

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

.capability-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: var(--transition-medium);
}

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

.capability-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(to top, rgba(10, 25, 47, 0.95) 0%, rgba(10, 25, 47, 0.7) 60%, transparent 100%);
    color: var(--text-white);
    transition: var(--transition-fast);
}

.capability-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--accent-color);
    border-radius: 50%;
    margin-bottom: 15px;
    transition: var(--transition-fast);
}

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

.capability-icon i {
    font-size: 1.2rem;
    color: var(--text-white);
}

.capability-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.capability-desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* ===== About Section ===== */
.about {
    padding: var(--section-padding);
    background-color: var(--bg-light);
}

/* New Full Width About Section */
.about-content-full {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.about-content-full .section-header {
    margin-bottom: 40px;
}

.about-text-container {
    margin-bottom: 50px;
}

.about-text {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.9;
    font-size: 1.1rem;
    text-align: left;
}

.about-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin: 50px 0;
}

.feature-box {
    background: var(--bg-white);
    padding: 35px 25px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
    text-align: center;
}

.feature-box:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.feature-icon-box {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon-box i {
    font-size: 1.8rem;
    color: var(--text-white);
}

.feature-box h4 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-weight: 600;
}

.feature-box p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

.about-cta-container {
    margin-top: 40px;
}

/* Old styles removed - no longer needed */
.about-grid {
    display: none;
}

.about-image {
    display: none;
}

.founder-badge {
    display: none;
}

/* ===== Contact Section ===== */
.contact {
    padding: var(--section-padding);
    background-color: var(--bg-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-form {
    background-color: var(--bg-light);
    padding: 45px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.form-group {
    position: relative;
    margin-bottom: 25px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    font-family: inherit;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-white);
    transition: var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-color);
}

.form-group label {
    position: absolute;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    color: var(--text-light);
    pointer-events: none;
    transition: var(--transition-fast);
    background-color: var(--bg-white);
    padding: 0 5px;
}

.form-group textarea ~ label {
    top: 25px;
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: 0;
    font-size: 0.75rem;
    color: var(--accent-color);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    opacity: 0;
}

.form-group textarea {
    resize: vertical;
    min-height: 130px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background-color: var(--bg-light);
    border-radius: 12px;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.info-card:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.info-card:hover .info-icon {
    background-color: var(--accent-color);
}

.info-card:hover .info-content h4,
.info-card:hover .info-content p {
    color: var(--text-white);
}

.info-card.highlight {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.info-card.highlight .info-icon {
    background-color: var(--accent-color);
}

.info-card.highlight .info-content h4,
.info-card.highlight .info-content p {
    color: var(--text-white);
}

.info-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    border-radius: 50%;
    flex-shrink: 0;
    transition: var(--transition-fast);
}

.info-icon i {
    font-size: 1.25rem;
    color: var(--text-white);
}

.info-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
    transition: var(--transition-fast);
}

.info-content p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    transition: var(--transition-fast);
}

/* ===== Footer ===== */
.footer {
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 50px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 20px;
}

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

.footer-about p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 25px;
    line-height: 1.8;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--text-white);
    transition: var(--transition-fast);
}

.social-link:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 25px;
    color: var(--text-white);
}

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

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

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

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact-item i {
    color: var(--accent-color);
    width: 20px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 0;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-bottom-links {
    display: flex;
    gap: 25px;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-bottom-links a:hover {
    color: var(--accent-color);
}

/* ===== Back to Top Button ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--accent-color);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    z-index: 999;
    box-shadow: var(--shadow-md);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--accent-hover);
    transform: translateY(-5px);
}

/* ===== Reveal Animation ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Notification ===== */
.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    padding: 15px 25px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    animation: slideIn 0.3s ease;
}

.notification-success {
    background-color: var(--success-color);
    color: var(--text-white);
}

.notification-error {
    background-color: var(--error-color);
    color: var(--text-white);
}

.notification-close {
    background: none;
    border: none;
    color: var(--text-white);
    font-size: 1.5rem;
    cursor: pointer;
    margin-left: 10px;
    opacity: 0.8;
    transition: var(--transition-fast);
}

.notification-close:hover {
    opacity: 1;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* ===== Responsive Design ===== */

/* Large Tablet */
@media (max-width: 1024px) {
    .nav-menu {
        gap: 25px;
    }
    
    .lang-switcher {
        margin-left: 20px;
    }
}

/* Tablet */
@media (max-width: 992px) {
    :root {
        --section-padding: 80px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .capabilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --section-padding: 70px 0;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: var(--primary-color);
        flex-direction: column;
        justify-content: center;
        gap: 30px;
        transition: var(--transition-fast);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 1.2rem;
    }
    
    .hamburger {
        display: flex;
    }
    
    .lang-switcher {
        position: absolute;
        top: 20px;
        right: 70px;
    }
    
    .hero-title {
        font-size: 2.2rem;
        letter-spacing: 1px;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: 35px 25px;
    }
    
    .capabilities-grid {
        grid-template-columns: 1fr;
    }
    
    .capability-card img {
        height: 220px;
    }
    
    .about-features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feature-box {
        padding: 30px 20px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
    
    .service-icon {
        width: 70px;
        height: 70px;
    }
    
    .service-icon i {
        font-size: 1.8rem;
    }
    
    .capability-content {
        padding: 20px;
    }
    
    .capability-icon {
        width: 40px;
        height: 40px;
    }
    
    .capability-icon i {
        font-size: 1rem;
    }
    
    .info-card {
        padding: 20px;
    }
    
    .info-icon {
        width: 50px;
        height: 50px;
    }
}