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

/* CSS Variables for Brand Design */
:root {
    --brand-yellow: #fecb09;
    --brand-yellow-dark: #e6b608;
    --brand-yellow-light: #ffd83a;
    --brand-black: #000000;
    --brand-gray-dark: #1a1a1a;
    --brand-gray: #333333;
    --text-dark: #1a1a1a;
    --text-gray: #4a4a4a;
    --text-light: #6b7280;
    --bg-white: #ffffff;
    --bg-light: #fafafa;
    --bg-gray: #f5f5f5;
    --border-light: #e5e5e5;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --gradient-primary: linear-gradient(135deg, var(--brand-yellow) 0%, var(--brand-yellow-light) 100%);
    --gradient-hero: linear-gradient(135deg, var(--brand-black) 0%, var(--brand-gray-dark) 100%);
    --gradient-accent: linear-gradient(45deg, var(--brand-yellow) 0%, var(--brand-yellow-dark) 100%);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    font-size: 16px;
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-dark);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

p {
    color: var(--text-gray);
    margin-bottom: 1rem;
    line-height: 1.7;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Header & Navigation */
header {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid var(--brand-yellow);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 24px;
}

.logo img {
    height: 50px;
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
}

nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 2rem;
}

nav ul li a {
    font-weight: 500;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

nav ul li a:hover {
    color: var(--brand-yellow);
    background: rgba(254, 203, 9, 0.1);
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--brand-yellow);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

nav ul li a:hover::after {
    width: 80%;
}

/* Hero Section */
.hero-section {
    background: var(--gradient-hero);
    color: white;
    text-align: center;
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

/* Animated Background Pattern */
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(254, 203, 9, 0.1) 25%, transparent 25%), 
                linear-gradient(-45deg, rgba(254, 203, 9, 0.1) 25%, transparent 25%), 
                linear-gradient(45deg, transparent 75%, rgba(254, 203, 9, 0.1) 75%), 
                linear-gradient(-45deg, transparent 75%, rgba(254, 203, 9, 0.1) 75%);
    background-size: 60px 60px;
    background-position: 0 0, 0 30px, 30px -30px, -30px 0px;
    opacity: 0.3;
    animation: patternMove 20s linear infinite;
}

/* Floating Particles Animation */
.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(2px 2px at 20px 30px, rgba(254, 203, 9, 0.4), transparent),
                      radial-gradient(2px 2px at 40px 70px, rgba(254, 203, 9, 0.3), transparent),
                      radial-gradient(1px 1px at 90px 40px, rgba(254, 203, 9, 0.5), transparent),
                      radial-gradient(1px 1px at 130px 80px, rgba(254, 203, 9, 0.3), transparent),
                      radial-gradient(2px 2px at 160px 30px, rgba(254, 203, 9, 0.4), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: particlesFloat 25s ease-in-out infinite;
    opacity: 0.6;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-section h1 {
    color: white;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    animation: heroTitleSlide 1.2s ease-out forwards;
    opacity: 0;
    transform: translateY(30px);
}

.hero-section p {
    font-size: 1.25rem;
    color: rgba(254, 203, 9, 0.95);
    margin-bottom: 2.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 500;
    animation: heroTextFade 1.5s ease-out 0.3s forwards;
    opacity: 0;
    transform: translateY(20px);
}

.hero-section .btn {
    animation: heroBtnPop 1.8s ease-out 0.6s forwards;
    opacity: 0;
    transform: translateY(20px) scale(0.9);
}

/* Buttons */
.btn {
    display: inline-block;
    background: var(--gradient-accent);
    color: var(--brand-black);
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    border: 2px solid var(--brand-yellow);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: var(--brand-black);
    color: var(--brand-yellow);
    border-color: var(--brand-yellow);
    animation: pulse 2s infinite;
}

/* Section Styling */
section {
    padding: 100px 0;
}

section:nth-of-type(even) {
    background: var(--bg-light);
}

h2 {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--gradient-accent);
    margin: 20px auto 0;
    border-radius: 2px;
}

/* About Section */
.about-section p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.125rem;
    text-align: center;
    line-height: 1.8;
}

/* Services Section */
.activity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.activity-item {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 2rem;
    text-align: left;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.activity-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
}

.activity-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.activity-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.activity-item h3 {
    color: var(--brand-black);
    margin-bottom: 1rem;
    font-size: 1.375rem;
}

.activity-item p {
    margin-bottom: 1.5rem;
    color: var(--text-gray);
}

.activity-item ul {
    list-style: none;
    padding: 0;
}

.activity-item ul li {
    padding: 0.5rem 0;
    color: var(--text-gray);
    position: relative;
    padding-left: 1.5rem;
}

.activity-item ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--brand-yellow);
    font-weight: bold;
    font-size: 1.1em;
}

/* Why Choose Us Section */
.why-choose-section {
    background: var(--bg-white);
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.reason-item {
    text-align: center;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
}

.reason-item:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.reason-item h3 {
    color: var(--brand-black);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.reason-item p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* References Section */
.references-section {
    background: var(--bg-light);
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.gallery-item {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.gallery-item p {
    padding: 1.5rem;
    margin: 0;
    color: var(--text-gray);
    font-weight: 500;
    text-align: center;
}

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

.contact-section form {
    max-width: 600px;
    margin: 0 auto 3rem;
    background: var(--bg-light);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
    width: 100%;
    padding: 16px;
    border: 2px solid var(--border-light);
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: var(--bg-white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--brand-yellow);
    box-shadow: 0 0 0 3px rgba(254, 203, 9, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-info {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 16px;
}

.contact-info h3 {
    color: var(--brand-black);
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.contact-info p {
    margin-bottom: 1rem;
    color: var(--text-gray);
}

.contact-info a {
    color: var(--brand-black);
    text-decoration: underline;
    font-weight: 600;
}

.contact-info a:hover {
    color: var(--brand-yellow);
    background: var(--brand-black);
    padding: 2px 4px;
    border-radius: 4px;
}

/* Footer */
footer {
    background: var(--brand-black);
    color: var(--brand-yellow);
    text-align: center;
    padding: 2rem 0;
    border-top: 2px solid var(--brand-yellow);
}

footer p {
    color: var(--brand-yellow);
    margin: 0;
    font-weight: 500;
}

/* Hero Animations */
@keyframes patternMove {
    0% {
        background-position: 0 0, 0 30px, 30px -30px, -30px 0px;
    }
    100% {
        background-position: 60px 60px, 60px 90px, 90px 30px, 30px 60px;
    }
}

@keyframes particlesFloat {
    0%, 100% {
        transform: translateY(0) translateX(0) rotate(0deg);
        opacity: 0.6;
    }
    25% {
        transform: translateY(-10px) translateX(5px) rotate(1deg);
        opacity: 0.8;
    }
    50% {
        transform: translateY(-5px) translateX(-5px) rotate(-1deg);
        opacity: 0.4;
    }
    75% {
        transform: translateY(-15px) translateX(10px) rotate(1.5deg);
        opacity: 0.7;
    }
}

@keyframes heroTitleSlide {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes heroTextFade {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes heroBtnPop {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.9);
    }
    80% {
        transform: translateY(0) scale(1.05);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: var(--shadow-md);
    }
    50% {
        box-shadow: var(--shadow-lg), 0 0 20px rgba(254, 203, 9, 0.3);
    }
}

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

.activity-item,
.reason-item,
.gallery-item {
    animation: fadeInUp 0.6s ease forwards;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    header .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    
    .hero-section {
        padding: 80px 0;
    }
    
    section {
        padding: 60px 0;
    }
    
    .activity-grid,
    .reasons-grid,
    .image-gallery {
        grid-template-columns: 1fr;
    }
    
    .contact-section form {
        padding: 2rem;
        margin: 0 1rem 2rem;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding: 60px 0;
    }
    
    .hero-section p {
        font-size: 1.125rem;
    }
    
    .btn {
        padding: 14px 24px;
        font-size: 14px;
    }
    
    .activity-item,
    .contact-section form {
        padding: 1.5rem;
    }
}