@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
    --font-body: 'Inter', sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    --gradient-start: #4f46e5;
    --gradient-end: #db2777;
    --accent: #ec4899;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --surface-elevated: #ffffff;
    --text-main: #0f172a;
    --text-muted: #475569;
    --border: #e2e8f0;
    --radius: 1rem;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 40px -10px rgba(79, 70, 229, 0.35);
    --tag-bg-alpha: 0.08;
    --tag-border-alpha: 0.15;
}

* {
    font-family: var(--font-body);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    letter-spacing: -0.02em;
}

html {
    scroll-behavior: smooth;
}

.gradient-bg {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    position: relative;
}

.gradient-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 80%, rgba(236, 72, 153, 0.25), transparent 40%),
                radial-gradient(circle at 80% 20%, rgba(79, 70, 229, 0.25), transparent 40%);
    pointer-events: none;
}

.gradient-text {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-hover {
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.35s ease;
}

.card-hover:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.fade-in {
    animation: fadeIn 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.skill-tag {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.skill-tag:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 6px 12px -3px rgba(0, 0, 0, 0.08);
}

.section-title {
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -0.75rem;
    transform: translateX(-50%);
    width: 3rem;
    height: 0.25rem;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
}

.glass-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
}

/* Dark Theme Styles
   Palette: deep slate base with elevated surfaces, softened shadows,
   and translucent skill tags that keep their hue without harsh contrast. */
body.dark {
    background-color: #141821;
    color: #cbd5e1;
    --gradient-start: #6366f1;
    --gradient-end: #c026d3;
    --surface: #1c2230;
    --surface-soft: #161b26;
    --surface-elevated: #232a3a;
    --text-main: #e8edf5;
    --text-muted: #94a3b8;
    --border: #2a3142;
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.4), 0 8px 10px -6px rgb(0 0 0 / 0.3);
    --shadow-glow: 0 0 40px -10px rgba(99, 102, 241, 0.3);
    --tag-bg-alpha: 0.14;
    --tag-border-alpha: 0.22;
}

body.dark .bg-white {
    background-color: var(--surface) !important;
}

body.dark .text-gray-800 {
    color: var(--text-main) !important;
}

body.dark .text-gray-600,
body.dark .text-gray-700 {
    color: var(--text-muted) !important;
}

body.dark .bg-gray-50 {
    background-color: var(--surface-soft) !important;
}

body.dark .border-gray-100 {
    border-color: var(--border) !important;
}

body.dark .shadow-md {
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.35) !important;
}

body.dark nav {
    background-color: rgba(20, 24, 33, 0.8) !important;
}

body.dark .bg-gray-100 {
    background-color: var(--surface-elevated) !important;
}

body.dark .glass-card {
    background: rgba(28, 34, 48, 0.55);
    border-color: rgba(255, 255, 255, 0.08);
}

/* Skill tags: override the light Tailwind pastels in dark mode
   with translucent tints that preserve each skill's hue. */
body.dark .skill-tag {
    color: #e8edf5 !important;
    border: 1px solid rgba(255, 255, 255, var(--tag-border-alpha));
}

body.dark .skill-tag[class*="bg-purple-"]    { background-color: rgba(168, 85, 247, var(--tag-bg-alpha)) !important; }
body.dark .skill-tag[class*="bg-blue-"]      { background-color: rgba(59, 130, 246, var(--tag-bg-alpha)) !important; }
body.dark .skill-tag[class*="bg-yellow-"]    { background-color: rgba(234, 179, 8,  var(--tag-bg-alpha)) !important; }
body.dark .skill-tag[class*="bg-green-"]     { background-color: rgba(34, 197, 94,  var(--tag-bg-alpha)) !important; }
body.dark .skill-tag[class*="bg-cyan-"]      { background-color: rgba(6, 182, 212,  var(--tag-bg-alpha)) !important; }
body.dark .skill-tag[class*="bg-red-"]       { background-color: rgba(239, 68, 68,  var(--tag-bg-alpha)) !important; }
body.dark .skill-tag[class*="bg-indigo-"]    { background-color: rgba(99, 102, 241, var(--tag-bg-alpha)) !important; }
body.dark .skill-tag[class*="bg-pink-"]      { background-color: rgba(236, 72, 153, var(--tag-bg-alpha)) !important; }
body.dark .skill-tag[class*="bg-orange-"]    { background-color: rgba(249, 115, 22, var(--tag-bg-alpha)) !important; }
body.dark .skill-tag[class*="bg-teal-"]      { background-color: rgba(20, 184, 166, var(--tag-bg-alpha)) !important; }

/* Smooth transition when toggling themes */
body, .bg-white, .bg-gray-50, .bg-gray-100, nav, .skill-tag, .glass-card, .border-gray-100 {
    transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease;
}

/* Theme toggle button */
.theme-toggle {
    background: rgba(15, 23, 42, 0.05);
    border: none;
    cursor: pointer;
    padding: 10px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: var(--text-main);
}

.theme-toggle:hover {
    background: rgba(79, 70, 229, 0.12);
    color: var(--gradient-start);
    transform: rotate(12deg);
}

.theme-toggle svg {
    width: 22px;
    height: 22px;
}

body.dark .theme-toggle {
    background: rgba(255, 255, 255, 0.08);
    color: #e8edf5;
}