@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Color Palette */
    --primary-blue: hsl(210, 100%, 30%);
    --primary-green: hsl(95, 50%, 45%);
    --dark-blue: hsl(210, 100%, 15%);
    --light-blue: hsl(210, 100%, 96%);
    --accent-green: hsl(95, 60%, 55%);

    /* Neutral Colors */
    --text-main: hsl(210, 20%, 20%);
    --text-muted: hsl(210, 10%, 45%);
    --bg-white: hsl(0, 0%, 100%);
    --bg-gray: hsl(210, 30%, 98%);

    /* Effects */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.2);

    /* Layout */
    --container-width: 1200px;
    --section-padding: 100px 0;
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--dark-blue);
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: 'Outfit', sans-serif;
}

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

.btn-primary:hover {
    background-color: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--primary-green);
    color: white;
}

.btn-secondary:hover {
    background-color: var(--accent-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.section-head h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-head h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    border-radius: 2px;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
    padding: 0;
    transition: var(--transition);
}

header.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    padding: 12px 0;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo img {
    height: 100px;
}

.nav-links {
    display: flex;
    gap: 32px;
    margin-left: auto;
    align-items: center;
}

.nav-links a {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--dark-blue);
    padding: 8px 0;
}

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

.nav-links .nav-btn {
    background-color: var(--primary-blue);
    color: white !important;
    padding: 10px 24px;
    border-radius: 6px;
    margin-left: 10px;
}

.nav-links .nav-btn:hover {
    background-color: var(--primary-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-blue);
    z-index: 1001;
}

/* Hero Slider */
.hero {
    height: 100vh;
    position: relative;
    overflow: hidden;
}

.slider {
    height: 100%;
    width: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
}

.slide.active {
    opacity: 1;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.2));
}

.slide-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 0 24px;
    transform: translateY(30px);
    opacity: 0;
    transition: all 0.8s ease 0.4s;
}

.slide.active .slide-content {
    transform: translateY(0);
    opacity: 1;
}

.slide-content h1 {
    color: white;
    font-size: 4rem;
    margin-bottom: 24px;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.slide-content p {
    font-size: 1.25rem;
    margin-bottom: 32px;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.slider-controls {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 100;
}

.dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(0, 74, 153, 0.15);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--primary-green);
    width: 32px;
    border-radius: 6px;
}

/* Sections */
section {
    padding: var(--section-padding);
}

.bg-gray {
    background-color: var(--bg-gray);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--primary-blue);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 40px;
}

.feature-item {
    display: flex;
    gap: 16px;
}

.feature-icon {
    color: var(--primary-green);
    font-size: 1.5rem;
}

/* Vision & Mission */
.vision-mission {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.card {
    background: white;
    padding: 60px 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

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

.card i {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 24px;
    display: block;
}

.card h3 {
    margin-bottom: 20px;
}

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

.service-card {
    background: #004c99;
    padding: 40px;
    border-radius: 16px;
    border-bottom: 4px solid var(--primary-blue);
    transition: var(--transition);
}

.service-card:hover {
    border-bottom-color: var(--primary-green);
    transform: translateY(-5px);
}

.service-card .fas {
    color: #fff;
}

.service-card h4 {
    margin-bottom: 16px;
    color: #fff;
}

.service-card ul {
    margin-top: 16px;
}

.service-card li {
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: #ddd;
    position: relative;
    padding-left: 20px;
}

.service-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-green);
}

/* Contact */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info {
    padding: 40px;
    background: var(--primary-blue);
    color: white;
    border-radius: 20px;
}

.contact-info h3 {
    color: white;
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-green);
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 24px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-blue);
    outline: none;
    box-shadow: 0 0 0 4px rgba(0, 74, 153, 0.1);
}

/* Footer */
footer {
    background: var(--dark-blue);
    color: white;
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo img {
    height: 60px;
    margin-bottom: 24px;
}

.footer-links h4 {
    color: var(--primary-green);
    margin-bottom: 24px;
}

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

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

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

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

/* Responsive */
@media (max-width: 992px) {

    .about-grid,
    .vision-mission,
    .contact-container,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .slide-content h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: white;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        padding: 60px;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
        transition: 0.5s cubic-bezier(0.77, 0.2, 0.05, 1.0);
        z-index: 1000;
        display: flex;
        /* Override previous display:none */
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links .nav-btn {
        margin-left: 0;
        width: 100%;
        text-align: center;
    }

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

    /* Backdrop for sidebar */
    .menu-backdrop {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.4);
        backdrop-filter: blur(4px);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.4s ease;
        z-index: 999;
    }

    .menu-backdrop.active {
        opacity: 1;
        visibility: visible;
    }
}