/* ==========================================================================
   Tion Hermawan - Portfolio Stylesheet
   Modern Glassmorphism, Theme Variables & Dynamic Animations
   ========================================================================== */

:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --brand-primary: #2563eb;
    --brand-hover: #1d4ed8;
    --brand-light: #eff6ff;
    --brand-glow: rgba(37, 99, 235, 0.15);
    --card-bg: rgba(255, 255, 255, 0.85);
    --card-border: rgba(226, 232, 240, 0.8);
    --nav-bg: rgba(255, 255, 255, 0.82);
    --shadow-soft: 0 10px 30px -10px rgba(0, 0, 0, 0.07);
    --shadow-hover: 0 20px 40px -15px rgba(37, 99, 235, 0.18);
}

.dark {
    --bg-primary: #090d16;
    --bg-secondary: #0f172a;
    --bg-tertiary: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --border-color: #1e293b;
    --brand-primary: #3b82f6;
    --brand-hover: #60a5fa;
    --brand-light: rgba(59, 130, 246, 0.12);
    --brand-glow: rgba(59, 130, 246, 0.25);
    --card-bg: rgba(15, 23, 42, 0.75);
    --card-border: rgba(255, 255, 255, 0.08);
    --nav-bg: rgba(9, 13, 22, 0.82);
    --shadow-soft: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 20px 40px -15px rgba(59, 130, 246, 0.3);
}

/* Base resets & smooth transitions */
html {
    scroll-behavior: smooth;
    transition: background-color 0.35s ease, color 0.35s ease;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    position: relative;
}

/* Glassmorphism Classes */
.glass-nav {
    background-color: var(--nav-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
}

.glass-card {
    background-color: var(--card-bg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--card-border);
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--brand-primary);
}

/* Glowing Ambient Orbs for Modern Aesthetic */
.ambient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.6;
    transition: opacity 0.4s ease;
}

.orb-blue {
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.35) 0%, rgba(37, 99, 235, 0) 70%);
}

.orb-purple {
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.28) 0%, rgba(168, 85, 247, 0) 70%);
}

.orb-cyan {
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.25) 0%, rgba(6, 182, 212, 0) 70%);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 50%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.dark .gradient-text {
    background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 50%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 9px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 9999px;
}
.dark ::-webkit-scrollbar-thumb {
    background: #334155;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--brand-primary);
}

/* Project Card & Hover Image Zoom */
.project-card-image-wrap {
    overflow: hidden;
    position: relative;
}

.project-card-image-wrap img,
.project-card-image-wrap .mockup-preview {
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card:hover .project-card-image-wrap img,
.glass-card:hover .project-card-image-wrap .mockup-preview {
    transform: scale(1.05);
}

/* Category Filter Active Pill */
.filter-btn {
    transition: all 0.25s ease;
}
.filter-btn.active {
    background-color: var(--brand-primary);
    color: #ffffff;
    box-shadow: 0 4px 14px var(--brand-glow);
    border-color: transparent;
}

/* Modal Animations */
.modal-backdrop {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content-box {
    transform: scale(0.95) translateY(15px);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.active .modal-content-box {
    transform: scale(1) translateY(0);
}

/* Badge Pulse */
@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(37, 99, 235, 0);
    }
}

.pulse-badge {
    animation: pulseGlow 2.5s infinite;
}

/* Certificate Card Highlight */
.cert-card {
    position: relative;
    overflow: hidden;
}

.cert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, #2563eb, #7c3aed);
    transition: width 0.3s ease;
}

.cert-card:hover::before {
    width: 7px;
}

/* Float Animation for Hero Element */
@keyframes floatUp {
    0%, 100% {
        transform: translateY(0px) rotate(2deg);
    }
    50% {
        transform: translateY(-10px) rotate(0deg);
    }
}

.floating-element {
    animation: floatUp 5s ease-in-out infinite;
}