/* ============================================
   UTILITIES: Spacing, Colors, Containers
   Summit Template — Premium Adventure Portfolio
============================================ */
:root {
    /* Light Mode Colors */
    --bg-primary: #FDFBF7;
    --bg-secondary: #F5F2EB;
    --text-primary: #2C2B28;
    --text-secondary: #5C5A55;
    --accent-forest: #2D5A3F;
    --accent-earth: #8B7355;
    --accent-stone: #A8A39A;
    --accent-sunset: #E07A5F;
    --glass-bg: rgba(253, 251, 247, 0.75);
    --glass-border: rgba(139, 115, 85, 0.15);
    --card-shadow: 0 20px 35px -12px rgba(0,0,0,0.08);
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

[data-theme="dark"], .dark-mode {
    --bg-primary: #1A1C1A;
    --bg-secondary: #242624;
    --text-primary: #EDEDE9;
    --text-secondary: #B8B5AD;
    --accent-forest: #4A7C59;
    --accent-earth: #A68A64;
    --accent-stone: #7A7A72;
    --accent-sunset: #E29578;
    --glass-bg: rgba(26, 28, 26, 0.85);
    --glass-border: rgba(139, 115, 85, 0.25);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background 0.3s ease, color 0.3s ease;
    cursor: default;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }
}

section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    font-family: 'Marcellus', serif;
    font-size: 3rem;
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent-sunset);
    font-weight: 500;
    display: inline-block;
    margin-bottom: 1rem;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    transition: var(--transition);
}

.glass-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 50px rgba(0,0,0,0.12);
}

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 40px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
    letter-spacing: 0.3px;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent-forest);
    color: white;
    border: none;
}

.btn-primary:hover {
    background: var(--accent-sunset);
    transform: translateY(-2px);
    gap: 15px;
}

.btn-secondary {
    background: transparent;
    border: 1.5px solid var(--text-primary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

/* Image Credits Style */
/* Image Credits Toggle Button */
.image-credits {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
}

.credits-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
}

.credits-btn:hover {
    background: var(--accent-forest);
    color: white;
    border-color: var(--accent-forest);
}

.credits-btn i {
    margin: 0 4px;
}

.credits-btn .fa-chevron-down {
    transition: transform 0.3s ease;
}

.credits-content {
    margin-top: 15px;
    padding: 15px 20px;
    background: var(--glass-bg);
    border-radius: 12px;
    font-size: 0.7rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.credits-content a {
    color: var(--accent-forest);
    text-decoration: none;
}

.credits-content a:hover {
    color: var(--accent-sunset);
}

@media (max-width: 768px) {
    .credits-content {
        font-size: 0.6rem;
        padding: 10px 12px;
    }
}