@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --primary-blue: #003B73;
    --primary-gradient: linear-gradient(135deg, #003B73 0%, #002147 100%);
    --secondary-blue: #00AEEF;
    --light-blue: #E3F2FD;
    --accent-silver: #B0BEC5;
    --metallic-silver: #E1E8ED;
    --text-dark: #1A1A1A;
    --text-muted: #546E7A;
    --bg-white: #FFFFFF;
    --glass: rgba(255, 255, 255, 0.85);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

ul {
    list-style: none;
}

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

/* --- Preloader --- */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-white);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loader-content {
    text-align: center;
}

.loader-logo {
    width: 120px;
    animation: pulseLogo 2s infinite ease-in-out;
}

@keyframes pulseLogo {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.8;
    }

    50% {
        transform: scale(1.1);
        opacity: 1;
        filter: drop-shadow(0 0 15px var(--secondary-blue));
    }
}

/* --- Header & Navigation --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--glass);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition);
}

header.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 50px;
    width: auto;
    transition: var(--transition);
}

.logo-text {
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--primary-blue);
    letter-spacing: -1px;
}

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

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-dark);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: var(--transition);
}

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

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

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 59, 115, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 59, 115, 0.4);
}

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

.btn-outline:hover {
    background: var(--primary-blue);
    color: white;
}

/* --- Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out;
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease-out;
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 59, 115, 0.7), rgba(0, 59, 115, 0.7)), url('../assets/1.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    color: white;
    padding: 100px 20px 0;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: linear-gradient(transparent, var(--bg-white));
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 10;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 35px;
    opacity: 0.9;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* --- Sections --- */
section {
    padding: 100px 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

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

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

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* --- Grid Systems --- */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* --- Service Cards --- */
.card {
    background: white;
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border-top: 5px solid transparent;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
    border-top-color: var(--secondary-blue);
    background: var(--light-blue);
}

.card i {
    font-size: 3rem;
    color: var(--secondary-blue);
    margin-bottom: 20px;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* --- Footer --- */
footer {
    background: #001529;
    color: rgba(255, 255, 255, 0.8);
    padding: 80px 20px 30px;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-col h4 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 25px;
    position: relative;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--secondary-blue);
}

.footer-col p,
.footer-col li {
    margin-bottom: 12px;
    font-size: 0.9rem;
}

.footer-col ul li a:hover {
    color: var(--secondary-blue);
    padding-left: 5px;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.85rem;
}

.legal-details {
    margin-top: 10px;
    opacity: 0.6;
}

/* --- Mobile Responsiveness --- */
@media (max-width: 992px) {
    .nav-links {
        display: none;
        /* Mobile menu logic in JS later */
    }

    .menu-toggle {
        display: block;
    }
}

@media (max-width: 768px) {
    .hero-btns {
        flex-direction: column;
    }

    .section-header h2 {
        font-size: 2rem;
    }
}