/* ===================================
   Hamdi Bougattaya Portfolio
   Dark Mode Minimal Design System
   =================================== */

/* CSS Variables */
:root {
    --dark-900: #0a0a0a;
    --dark-800: #121212;
    --dark-700: #1a1a1a;
    --dark-600: #242424;
    --accent: #22C55E;
    --accent-dim: #16a34a;
    --transition: 200ms ease;
}

/* Base */
html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

::selection {
    background: var(--accent);
    color: var(--dark-900);
}

/* ===================================
   Navigation
   =================================== */

nav {
    background-color: #0a0a0a !important;
}

.nav-link {
    color: #a1a1aa;
    font-size: 14px;
    transition: color var(--transition);
}

.nav-link:hover {
    color: #ffffff;
}

.nav-link.active {
    color: var(--success);
    background: rgba(34, 197, 94, 0.1);
}

/* ===================================
   Buttons
   =================================== */

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--accent);
    color: var(--dark-900);
    font-weight: 500;
    font-size: 14px;
    border-radius: 8px;
    transition: all var(--transition);
    cursor: pointer;
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: transparent;
    color: #a1a1aa;
    font-weight: 500;
    font-size: 14px;
    border: 1px solid #27272a;
    border-radius: 8px;
    transition: all var(--transition);
    cursor: pointer;
}

.btn-secondary:hover {
    color: #ffffff;
    border-color: #3f3f46;
    background: #18181b;
}

/* ===================================
   Cards
   =================================== */

.exp-card {
    padding: 24px;
    background: var(--dark-800);
    border: 1px solid #27272a;
    border-radius: 12px;
    transition: border-color var(--transition);
}

.exp-card:hover {
    border-color: #3f3f46;
}

.project-item {
    padding: 16px;
    background: var(--dark-700);
    border-radius: 8px;
    border-left: 2px solid var(--accent);
}

.project-card {
    padding: 24px;
    background: var(--dark-800);
    border: 1px solid #27272a;
    border-radius: 12px;
    transition: all var(--transition);
    cursor: pointer;
}

.project-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.skill-card {
    padding: 24px;
    background: var(--dark-800);
    border: 1px solid #27272a;
    border-radius: 12px;
}

.skill-card-highlight {
    border-color: var(--accent);
    background: linear-gradient(135deg, var(--dark-800) 0%, rgba(34, 197, 94, 0.05) 100%);
}

.cert-card {
    display: block;
    padding: 24px;
    background: var(--dark-800);
    border: 1px solid #27272a;
    border-radius: 12px;
    transition: all var(--transition);
    cursor: pointer;
}

.cert-card:hover {
    border-color: #3f3f46;
    transform: translateY(-2px);
}

.edu-card {
    padding: 24px;
    background: var(--dark-800);
    border: 1px solid #27272a;
    border-radius: 12px;
}

/* ===================================
   Tags
   =================================== */

.tag {
    display: inline-block;
    padding: 4px 10px;
    background: var(--dark-700);
    color: #a1a1aa;
    font-size: 12px;
    font-family: 'JetBrains Mono', monospace;
    border-radius: 4px;
    transition: all var(--transition);
}

.tag:hover {
    background: #27272a;
    color: #ffffff;
}

.tag-accent {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(34, 197, 94, 0.1);
    color: var(--accent);
    font-size: 12px;
    font-family: 'JetBrains Mono', monospace;
    border-radius: 4px;
    border: 1px solid rgba(34, 197, 94, 0.2);
    transition: all var(--transition);
}

.tag-accent:hover {
    background: rgba(34, 197, 94, 0.2);
    border-color: var(--accent);
}

/* ===================================
   Contact
   =================================== */

.contact-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--dark-800);
    border: 1px solid #27272a;
    border-radius: 8px;
    color: #a1a1aa;
    transition: all var(--transition);
    cursor: pointer;
}

.contact-link:hover {
    border-color: var(--accent);
    color: #ffffff;
}

/* ===================================
   Animations
   =================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Reveal */
.scroll-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    transition-delay: var(--delay, 0s);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   Reduced Motion
   =================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .scroll-reveal {
        opacity: 1;
        transform: none;
    }
}

/* ===================================
   Focus States
   =================================== */

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ===================================
   Responsive
   =================================== */

@media (max-width: 768px) {
    .btn-primary,
    .btn-secondary {
        padding: 10px 20px;
    }
}

/* ===================================
   Custom Scrollbar
   =================================== */

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-900);
}

::-webkit-scrollbar-thumb {
    background: #27272a;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #3f3f46;
}