/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-yellow: #FFDB58;
    --primary-yellow-hover: #FFD233;
    --dark-bg: #0A0A0A;
    --dark-surface: #141414;
    --dark-card: #1A1A1A;
    --dark-border: #262626;
    --text-primary: #FFFFFF;
    --text-secondary: #A1A1A1;
    --text-tertiary: #6B6B6B;
    
    /* Spacing */
    --container-max: 1200px;
    --section-padding: 120px 0;
    --section-padding-mobile: 80px 0;
    
    /* Effects */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --transition: all 0.3s ease;
}

/* Base Typography */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--dark-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 4rem; }
h2 { font-size: 3rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

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

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

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--primary-yellow);
    color: var(--dark-bg);
}

.btn-primary:hover {
    background-color: var(--primary-yellow-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--dark-border);
}

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

.btn-large {
    padding: 16px 32px;
    font-size: 1rem;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--primary-yellow) 0%, #FFE77A 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Header */
header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--dark-border);
    z-index: 1000;
    padding: 16px 0;
}

header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
}

.header-logo {
    width: 160px;
    height: auto;
}

.footer-logo-img {
    width: 160px;
    height: auto;
    margin-bottom: 20px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 24px;
}

nav a {
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
}

nav a:hover {
    color: var(--text-primary);
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-yellow);
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

/* Footer */
footer {
    background-color: var(--dark-surface);
    border-top: 1px solid var(--dark-border);
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 80px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-info p {
    color: var(--text-secondary);
    max-width: 400px;
    line-height: 1.6;
}

.copyright {
    margin-top: 32px;
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.footer-column h4 {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 20px;
}

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

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

.footer-column a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.footer-column a:hover {
    color: var(--primary-yellow);
}

/* Responsive */
@media (max-width: 992px) {
    h1 { font-size: 3rem; }
    h2 { font-size: 2.5rem; }
}

@media (max-width: 768px) {
    :root { --section-padding: var(--section-padding-mobile); }
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    nav { display: none; }
    .footer-content { grid-template-columns: 1fr; gap: 40px; }
    .footer-links { grid-template-columns: 1fr; }
}