:root {
    --primary: #6366f1;
    /* Indigo/Purple */
    --primary-light: #818cf8;
    --secondary: #0ea5e9;
    /* Vibrant Blue */
    --secondary-light: #7dd3fc;
    --accent: #f43f5e;
    /* Rose */
    --text: #1e293b;
    --text-light: #64748b;
    --bg: #f8fafc;
    --white: #ffffff;
    --glass: rgba(255, 255, 255, 0.7);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

h1,
h2,
h3 {
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--primary);
}

h2 {
    margin-top: 2.5rem;
}

.section-title h2,
header .logo,
.hero h1 {
    margin-top: 0;
}

/* Base Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
header {
    background: var(--glass);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: var(--shadow);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.logo img {
    height: 32px;
    width: auto;
    display: block;
}

.footer-logo {
    opacity: 0.4;
    height: 48px;
    /* Slightly larger for footer */
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    transition: var(--transition);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

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

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--secondary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Hero Section */
.hero {
    padding: 8rem 0;
    background: #ffffff;
    position: relative;
    overflow: hidden;
}

.hero-bg-shapes {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: radial-gradient(circle at 60% 40%, rgba(99, 102, 241, 0.05) 0%, transparent 60%);
    z-index: 0;
}

.hero-bg-circle {
    position: absolute;
    top: -10%;
    right: -5%;
    width: 600px;
    height: 600px;
    background: rgba(99, 102, 241, 0.03);
    border-radius: 50%;
    z-index: 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    gap: 4rem;
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: left;
}

.hero-tag {
    color: var(--primary);
    text-transform: uppercase;
    font-weight: 800;
    letter-spacing: 2px;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    display: block;
}

.hero h1 {
    font-size: 3.5rem;
    color: #0f172a;
    line-height: 1.1;
    margin-bottom: 2rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 550px;
    margin-left: 0;
}

.hero-btns {
    display: flex;
    justify-content: flex-start;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 50px rgba(0, 0, 0, 0.1));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* Competition Grid */
.competitions {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.comp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.comp-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
}

.comp-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.comp-image-container {
    position: relative;
    width: 100%;
    height: 220px;
}

.comp-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.comp-badges {
    position: absolute;
    top: 15px;
    left: 15px;
    display: flex;
    gap: 0.5rem;
}

.badge {
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--white);
    background: #00a896;
    /* Teal */
}

.comp-info {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.prize-label {
    font-size: 0.7rem;
    font-weight: 800;
    color: #ff851b;
    /* Orange */
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.25rem;
}

.prize-value {
    font-size: 1.75rem;
    font-weight: 900;
    color: #1a202c;
    margin-bottom: 0.5rem;
}

.comp-title {
    font-size: 1rem;
    color: #718096;
    margin-bottom: 1rem;
    font-weight: 600;
    flex-grow: 1;
}

.comp-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: #a0aec0;
    margin-bottom: 1.5rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.btn-enter {
    width: 100%;
    background: #ff851b;
    color: var(--white);
    padding: 1rem;
    text-align: center;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.btn-enter:hover {
    background: #e67700;
}

.btn-enter::after {
    content: '→';
    font-size: 1.2rem;
}

/* FAQ */
.faq {
    padding: 5rem 0;
    background: var(--white);
}

.faq-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding: 1.5rem 0;
}

.faq-question {
    font-weight: 700;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.faq-answer {
    padding-top: 1rem;
    color: var(--text-light);
    display: none;
}

/* Footer */
footer {
    background: var(--primary);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    color: #d2f1ff;
    margin-bottom: 1.5rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul li a {
    color: #7fccef;
    text-decoration: none;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--white);
    opacity: 1;
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

footer .logo span {
    color: #d2f1ff;
}

/* Responsive */
@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

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

    .hero h1 {
        font-size: 3rem;
    }

    .hero p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-btns {
        justify-content: center;
    }

    .hero-bg-shapes {
        width: 100%;
        opacity: 0.3;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none;
    }
}

/* Categories Section */
.categories {
    padding: 6rem 0;
    background: #f8fafc;
}

.categories h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #0f172a;
    margin-bottom: 4rem;
    position: relative;
    padding-bottom: 1rem;
}

.categories h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.5rem;
}

.category-card {
    background: #f1f5f9;
    padding: 2rem 1.5rem;
    border-radius: 12px;
    text-align: center;
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.category-card:hover {
    background: var(--white);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.1);
}

.category-card svg {
    width: 40px;
    height: 40px;
    color: var(--primary);
    transition: var(--transition);
}

.category-card span {
    font-weight: 700;
    color: #475569;
    font-size: 0.95rem;
    transition: var(--transition);
}

.category-card:hover span {
    color: var(--primary);
}

@media (max-width: 768px) {
    .categories-padding {
        padding: 4rem 0;
    }

    .categories h2 {
        font-size: 2rem;
    }

    .category-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 1rem;
    }
}

/* Auth Pages */
.auth-section {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.auth-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(14, 165, 233, 0.05) 0%, transparent 40%);
}

.auth-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 450px;
    position: relative;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.auth-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.auth-header h2 {
    margin: 0 0 0.5rem;
    color: var(--text);
    font-size: 2rem;
}

.auth-header p {
    color: var(--text-light);
    font-size: 0.95rem;
}

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

.auth-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: #475569;
}

.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="text"] {
    width: 100%;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.auth-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    font-size: 0.85rem;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    cursor: pointer;
}

.forgot-password {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.forgot-password:hover {
    text-decoration: underline;
}

.auth-btn {
    width: 100%;
    padding: 1rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.social-auth {
    border-top: 1px solid #e2e8f0;
    padding-top: 2rem;
    margin-top: 2rem;
    text-align: center;
}

.social-auth p {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    background: var(--white);
    display: inline-block;
    padding: 0 1rem;
    position: relative;
    top: -10px;
}

.social-btns {
    display: flex;
    gap: 1rem;
}

.social-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    background: var(--white);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
    transition: var(--transition);
}


.social-btn:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
}

.social-btn img {
    width: 20px;
    height: 20px;
}

.auth-footer {
    text-align: center;
    margin-top: 2rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
}

.auth-footer a:hover {
    text-decoration: underline;
}