/* Design System & Base Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800&family=Gothic+A1:wght@400;700;900&display=swap');

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --secondary: #0f172a;
    --accent: #38bdf8;
    --bg-light: #f8fafc;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --white: #ffffff;
    --glass: rgba(255, 255, 255, 0.8);
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Gothic A1', 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 900;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

header.scrolled {
    background: var(--glass);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: var(--shadow);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo span {
    color: var(--white);
    transition: var(--transition);
}

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

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 600;
    color: var(--white);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

header.scrolled .nav-links a {
    color: var(--secondary);
    text-shadow: none;
}

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

header.scrolled .nav-links a:hover {
    color: var(--primary);
}

.cta-button {
    background: var(--primary);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 700;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    color: var(--white);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.4) 100%);
    z-index: 1;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    animation: zoom 20s infinite alternate;
}

@keyframes zoom {
    from { transform: scale(1); }
    to { transform: scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-content h1 {
    font-size: clamp(2.2rem, 7vw, 4.0rem);
    margin-bottom: 20px;
    animation: fadeInUp 1s ease-out;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    color: #cbd5e1;
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

.hero-btns {
    display: flex;
    gap: 20px;
    animation: fadeInUp 1s ease-out 0.4s backwards;
}

/* Sections General */
section {
    padding: 100px 0;
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--secondary);
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid #f1f5f9;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: #eff6ff;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.5rem;
    margin-bottom: 25px;
}

/* About Detail */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image img {
    border-radius: 30px;
    box-shadow: var(--shadow);
}

.about-text p {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    font-weight: 600;
    color: var(--secondary);
}

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

/* Stats/Why Us */
.stats {
    background: var(--secondary);
    color: var(--white);
    padding: 80px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 10px;
}

/* Process */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    position: relative;
}

.step {
    text-align: center;
    position: relative;
}

.step-num {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    margin: 0 auto 20px;
    font-size: 1.2rem;
}

/* Form */
.contact-section {
    background: #f1f5f9;
}

.form-container {
    background: var(--white);
    padding: 50px;
    border-radius: 30px;
    box-shadow: var(--shadow);
    max-width: 800px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

/* Footer */
footer {
    background: var(--secondary);
    color: #94a3b8;
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 60px;
    margin-bottom: 60px;
}

.footer-about h3 {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links h4 {
    color: var(--white);
    margin-bottom: 20px;
}

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

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 40px;
    text-align: center;
    font-size: 0.9rem;
}
/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.modal-content {
    background-color: var(--white);
    margin: auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}

.modal.show .modal-content {
    transform: translateY(0);
}

.modal-header {
    padding: 20px 30px;
    border-bottom: 1px solid #f1f5f9;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.25rem;
    color: var(--secondary);
}

.close-modal {
    color: var(--text-muted);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

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

.modal-body {
    padding: 30px;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-body h4 {
    margin: 20px 0 10px;
    color: var(--secondary);
    font-size: 1rem;
}

.modal-body p {
    color: var(--text-muted);
    margin-bottom: 15px;
    font-size: 0.95rem;
    line-height: 1.7;
}

@media (max-width: 768px) {
    .modal-content {
        width: 95%;
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
    }
    
    .form-container {
        padding: 30px;
    }
}