/* ==========================================
   THEME DEFINITIONS
   ========================================== */

/* LIGHT THEME (Default) - Soft cream, sage green, warm beige */
[data-theme="light"] {
    --bg-primary: #f8f7f4;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e8e6e1;
    --text-primary: #2d3436;
    --text-secondary: #636e72;
    --accent-primary: #6d9773;
    --accent-secondary: #a8b99f;
    --accent-hover: #5a8060;
    --border-color: #ddd9d0;
    --shadow: rgba(0, 0, 0, 0.08);
    --particle-color: #6d9773;
}

/* DARK THEME - Deep forest green, charcoal, muted earth */
[data-theme="dark"] {
    --bg-primary: #1a1f1c;
    --bg-secondary: #242b26;
    --bg-tertiary: #2d3932;
    --text-primary: #e8e6e1;
    --text-secondary: #a8b99f;
    --accent-primary: #7a9e7e;
    --accent-secondary: #4a6b4e;
    --accent-hover: #8fb294;
    --border-color: #3a4a3d;
    --shadow: rgba(0, 0, 0, 0.3);
    --particle-color: #7a9e7e;
}

/* OCEAN THEME - Teal, sandy beige, seafoam */
[data-theme="ocean"] {
    --bg-primary: #f0f4f3;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e3ebe9;
    --text-primary: #2c4a4a;
    --text-secondary: #5f7c7c;
    --accent-primary: #4a9d9c;
    --accent-secondary: #7bbdbc;
    --accent-hover: #3d8584;
    --border-color: #d4c5a0;
    --shadow: rgba(74, 157, 156, 0.15);
    --particle-color: #4a9d9c;
}

/* SUNSET THEME - Terracotta, warm peach, dusty rose */
[data-theme="sunset"] {
    --bg-primary: #faf6f3;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f4ebe6;
    --text-primary: #3d2e29;
    --text-secondary: #8a6f65;
    --accent-primary: #d17a5c;
    --accent-secondary: #e8a48d;
    --accent-hover: #b86a4f;
    --border-color: #e8d5cc;
    --shadow: rgba(209, 122, 92, 0.15);
    --particle-color: #d17a5c;
}

/* FOREST THEME - Deep emerald, moss, bark brown */
[data-theme="forest"] {
    --bg-primary: #f4f6f4;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e6ebe7;
    --text-primary: #1f3329;
    --text-secondary: #4a5f52;
    --accent-primary: #2d5f3f;
    --accent-secondary: #5a8a68;
    --accent-hover: #244d33;
    --border-color: #c8d5cc;
    --shadow: rgba(45, 95, 63, 0.12);
    --particle-color: #2d5f3f;
}

/* DESERT THEME - Sand, cactus green, clay orange */
[data-theme="desert"] {
    --bg-primary: #f9f6f0;
    --bg-secondary: #ffffff;
    --bg-tertiary: #ede8dd;
    --text-primary: #3d3426;
    --text-secondary: #7a6f5d;
    --accent-primary: #a89968;
    --accent-secondary: #c4b88f;
    --accent-hover: #8f7f52;
    --border-color: #e0d7c5;
    --shadow: rgba(168, 153, 104, 0.12);
    --particle-color: #a89968;
}

/* ==========================================
   DARK MODE VARIATIONS (for dark theme)
   ========================================== */

[data-theme="dark"] .service-card,
[data-theme="dark"] .about-brief,
[data-theme="dark"] .footer {
    background: var(--bg-secondary);
}

[data-theme="dark"] .hamburger,
[data-theme="dark"] .theme-switcher {
    background: var(--bg-secondary);
}

[data-theme="dark"] .service-card {
    border-color: var(--border-color);
}

[data-theme="dark"] .service-card:hover {
    box-shadow: 0 10px 30px rgba(122, 158, 126, 0.2);
}

/* ==========================================
   PARTICLE COLOR VARIATIONS
   ========================================== */

.particle {
    background: var(--particle-color);
    opacity: 0.6;
}