/* Custom properties for theme colors */
:root {
    --text-primary: #111827;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --nav-bg: rgba(255, 255, 255, 0.8);
    --border-color: #e5e7eb;
    --primary-blue: #2563eb;
    --text-muted: #4b5563;
    --icon-color: #374151;
}

[data-bs-theme="dark"] {
    --text-primary: #f9fafb;
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --nav-bg: rgba(17, 24, 39, 0.8);
    --border-color: #374151;
    --primary-blue: #60a5fa;
    --text-muted: #9ca3af;
    --icon-color: #d1d5db;
}

/* Global Styles */
html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Utilities */
.w-5 { width: 1.25rem; }
.h-5 { height: 1.25rem; }
.w-6 { width: 1.5rem; }
.h-6 { height: 1.5rem; }

/* Navigation */
.glass-nav {
    background-color: var(--nav-bg);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.nav-brand {
    color: var(--text-primary);
}

.nav-link-custom {
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link-custom:hover {
    color: var(--primary-blue);
}

.nav-btn {
    color: var(--icon-color);
    border: none;
    background: transparent;
    border-radius: 0.5rem;
    transition: background-color 0.2s;
}

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

.bg-mobile-menu {
    background-color: var(--bg-primary);
    border-color: var(--border-color) !important;
}

/* Hero Section */
.hero-section {
    height: 80vh;
    background-image: url('https://gerson.dev/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    margin-top: -1.5rem; /* to account for pt-5 mt-4 */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.text-primary-custom {
    color: #60a5fa;
}

/* Skills Section */
.skills-bg {
    background-color: var(--bg-secondary);
}

.max-w-tools {
    max-width: 900px;
}

.skill-item img {
    transition: transform 0.3s ease;
}

.skill-item:hover img {
    transform: translateY(-5px);
}

.text-muted {
    color: var(--text-muted) !important;
}

/* Contact Section */
.contact-bg {
    background-color: #111827; /* always dark as per original */
}

.contact-link {
    color: #9ca3af;
    transition: color 0.2s;
}

.contact-link:hover {
    color: #60a5fa;
}

/* Theme Icons Display */
[data-bs-theme="dark"] #sun-icon {
    display: block !important;
}
[data-bs-theme="dark"] #moon-icon {
    display: none !important;
}

[data-bs-theme="light"] #sun-icon {
    display: none !important;
}
[data-bs-theme="light"] #moon-icon {
    display: block !important;
}