/* ========== GOOGLE FONTS IMPORT ========== */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700;900&display=swap');

/* ========== GLOBAL STYLES ========== */

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    background-color: #f5f7fa;
    background-image: 
        linear-gradient(135deg, rgba(255, 153, 51, 0.08) 0%, rgba(255, 153, 51, 0.03) 30%, transparent 70%),
        linear-gradient(45deg, transparent 0%, rgba(255, 153, 51, 0.08) 50%, rgba(255, 153, 51, 0.04) 100%);
    background-attachment: fixed;
    background-size: 100% 100%, 100% 100%;
    line-height: var(--line-height-normal);
    transition: background-color var(--transition-normal), color var(--transition-normal);
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: 
        radial-gradient(circle at 15% 30%, rgba(255, 153, 51, 0.25) 0%, transparent 30%),
        radial-gradient(circle at 85% 70%, rgba(255, 153, 51, 0.2) 0%, transparent 35%),
        radial-gradient(circle at 50% 50%, rgba(255, 153, 51, 0.15) 0%, transparent 40%);
    animation: float 25s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: 
        radial-gradient(ellipse at 30% 60%, rgba(255, 153, 51, 0.2) 0%, transparent 40%),
        radial-gradient(ellipse at 70% 20%, rgba(255, 153, 51, 0.18) 0%, transparent 35%);
    animation: float-reverse 30s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(-20px, -30px) scale(1.05);
    }
    50% {
        transform: translate(10px, 20px) scale(0.98);
    }
    75% {
        transform: translate(-10px, 10px) scale(1.02);
    }
}

@keyframes float-reverse {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, 20px) scale(0.98);
    }
    50% {
        transform: translate(-15px, -25px) scale(1.05);
    }
    75% {
        transform: translate(15px, -10px) scale(1.02);
    }
}

@keyframes float-slow {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.5;
    }
    50% {
        transform: translateY(-30px) translateX(20px);
        opacity: 0.8;
    }
}

@keyframes float-medium {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-40px) translateX(-25px);
        opacity: 0.9;
    }
}

@keyframes float-fast {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.4;
    }
    50% {
        transform: translateY(-50px) rotate(180deg);
        opacity: 0.7;
    }
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(255, 153, 51, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(255, 153, 51, 0.6);
    }
}

body.dark-mode {
    background-color: #0a0f0a;
    background-image: 
        linear-gradient(135deg, rgba(255, 153, 51, 0.15) 0%, rgba(255, 153, 51, 0.08) 30%, transparent 70%),
        linear-gradient(45deg, transparent 0%, rgba(91, 119, 66, 0.12) 50%, rgba(43, 65, 28, 0.08) 100%);
    background-attachment: fixed;
}

body.dark-mode::before {
    background: 
        radial-gradient(circle at 15% 30%, rgba(255, 153, 51, 0.4) 0%, transparent 30%),
        radial-gradient(circle at 85% 70%, rgba(91, 119, 66, 0.3) 0%, transparent 35%),
        radial-gradient(circle at 50% 50%, rgba(255, 153, 51, 0.25) 0%, transparent 40%);
}

body.dark-mode::after {
    background: 
        radial-gradient(ellipse at 30% 60%, rgba(76, 93, 52, 0.32) 0%, transparent 40%),
        radial-gradient(ellipse at 70% 20%, rgba(255, 153, 51, 0.3) 0%, transparent 35%);
}

/* ========== TYPOGRAPHY ========== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: var(--line-height-tight);
    color: var(--primary-color);
    margin-bottom: var(--space-md);
}

body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4,
body.dark-mode h5,
body.dark-mode h6 {
    color: var(--secondary-color);
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

h4 {
    font-size: var(--font-size-large);
}

p {
    margin-bottom: var(--space-md);
    color: var(--text-light);
}

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

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

/* ========== BUTTONS ========== */

.btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: all var(--transition-normal);
    font-family: var(--font-sans);
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

body.dark-mode .btn-secondary {
    color: var(--text-white);
    border-color: var(--text-white);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
}

body.dark-mode .btn-secondary:hover {
    background-color: var(--secondary-color);
    color: var(--text-dark);
    border-color: var(--secondary-color);
}

.btn-small {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-small);
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

/* ========== CONTAINERS ========== */

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-md);
    font-size: var(--font-size-2xl);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: var(--font-size-large);
    margin-bottom: var(--space-lg);
}

/* ========== UTILITY CLASSES ========== */

.highlight-text {
    color: var(--accent-color);
    font-weight: 600;
    font-size: var(--font-size-large);
}

.emphasized {
    font-weight: 700;
    color: var(--primary-color);
}

body.dark-mode .emphasized {
    color: var(--secondary-color);
}

.rank-badge {
    display: inline-block;
    font-size: var(--font-size-base);
    font-weight: 300;
    letter-spacing: 0.5px;
    color: var(--primary-color);
    white-space: nowrap;
    margin-right: var(--space-sm);
    background: none;
    padding: 0;
    box-shadow: none;
    border: none;
}

body.dark-mode .rank-badge {
    color: var(--secondary-color);
}

.medal-icon {
    display: inline-block;
    width: 24px;
    height: 24px;
    background-color: var(--secondary-color);
    border-radius: var(--radius-sm);
    margin-right: var(--space-sm);
}

/* ========== SCROLLBAR ========== */

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* ========== FOCUS STATES ========== */

:focus-visible {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

button:focus-visible {
    box-shadow: 0 0 0 3px rgba(255, 153, 51, 0.3);
}

a:focus-visible {
    outline-offset: 4px;
}