:root{
    --primary-blue:#2563eb;
    --accent-cyan:#06b6d4;
    /* Light theme tokens */
    --bg-body: #f8fafc;
    --bg-nav: #ffffff;
    --bg-card: #ffffff;
    --bg-section: #f8fafc;
    --bg-section-alt: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --shadow-nav: 0 2px 20px rgba(0,0,0,0.05);
    --shadow-card: 0 10px 40px rgba(0,0,0,0.03);
    --mobile-menu-bg: #ffffff;
    --hero-bg-from: #ffffff;
    --hero-bg-to: #eff6ff;
    --input-bg: #ffffff;
    --input-border: #e2e8f0;
    --toggle-track: #e2e8f0;
    --toggle-knob: #ffffff;
}
[data-theme="dark"] {
    --bg-body: #0f172a;
    --bg-nav: #0f172a;
    --bg-card: #0f172a;
    --bg-section: #0f172a;
    --bg-section-alt: #0f172a;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: #334155;
    --shadow-nav: 0 2px 20px rgba(0,0,0,0.4);
    --shadow-card: 0 10px 40px rgba(0,0,0,0.3);
    --mobile-menu-bg: #1e293b;
    --hero-bg-from: #0f172a;
    --hero-bg-to: #1e293b;
    --input-bg: #334155;
    --input-border: #475569;
    --toggle-track: #3b82f6;
    --toggle-knob: #ffffff;
}
/* Smooth transition for theme switch */
*, *::before, *::after {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
::-webkit-scrollbar{
    display: none;
}
.highlight {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
/* ── Body & Nav ── */
body {
    background-color: var(--bg-body) !important;
    color: var(--text-primary) !important;
}
nav {
    /* background-color: var(--bg-nav) !important; */
    /* box-shadow: var(--shadow-nav) !important; */
}
/* ── Theme Toggle Button ── */
#theme-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1.5px solid var(--border-color);
    background: var(--bg-card);
    cursor: pointer;
    color: var(--text-primary);
    font-size: 1.15rem;
    transition: all 0.3s ease;
    flex-shrink: 0;
}
#theme-toggle-btn:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    transform: rotate(20deg) scale(1.1);
    box-shadow: 0 0 0 4px rgba(37,99,235,0.12);
}
/* ── Nav links ── */
[data-theme="dark"] .nav-link {
    color: var(--text-secondary) !important;
}
[data-theme="dark"] .nav-link:hover {
    color: #60a5fa !important;
}
/* ── Hero Section ── */
[data-theme="dark"] section.animate-fade-in {
    background: linear-gradient(135deg, var(--bg-body) 0%, #1e293b 50%, #162032 100%) !important;
}
[data-theme="dark"] h1.text-slate-900 {
    color: var(--text-primary) !important;
}
/* ── Service Cards ── */
[data-theme="dark"] .service-card {
    background-color: var(--bg-card) !important;
    border-color: var(--border-color) !important;
}
[data-theme="dark"] .service-card h3 {
    color: var(--text-primary) !important;
}
[data-theme="dark"] .service-card p {
    color: var(--text-secondary) !important;
}
/* ── Services Section ── */
[data-theme="dark"] #services {
    background: linear-gradient(to bottom, #0f172a, #1e293b) !important;
}
/* ── Portfolio Section ── */
[data-theme="dark"] #portfolio {
    background-color: var(--bg-card) !important;
}
[data-theme="dark"] .p-item h3 {
    color: var(--text-primary) !important;
}
[data-theme="dark"] .p-item p {
    color: var(--text-secondary) !important;
}
[data-theme="dark"] .featured-work div> h1 {
    color: var(--text-secondary) !important;
}
/* ── About Section ── */
[data-theme="dark"] #about {
    background-color: var(--bg-section) !important;
}
[data-theme="dark"] #about h2,
[data-theme="dark"] #about h4 {
    color: var(--text-primary) !important;
}
[data-theme="dark"] #about p {
    color: var(--text-secondary) !important;
}
[data-theme="dark"] .value-sep p {
    color: var(--text-secondary) !important;
}
/* ── Team Section ── */
[data-theme="dark"] #team {
    background-color: var(--bg-section) !important;
}
[data-theme="dark"] #team .bg-white {
    background-color: var(--bg-card) !important;
}
[data-theme="dark"] #team h3,
[data-theme="dark"] #team h2 {
    color: var(--text-primary) !important;
}
[data-theme="dark"] #team p {
    color: var(--text-secondary) !important;
}
/* ── Mobile Menu ── */
[data-theme="dark"] #mobile-menu {
    background-color: var(--mobile-menu-bg) !important;
}
[data-theme="dark"] .mobile-link {
    color: var(--text-secondary) !important;
    border-color: var(--border-color) !important;
}
/* ── General text overrides ── */
[data-theme="dark"] .text-slate-900 { color: var(--text-primary) !important; }
[data-theme="dark"] .text-slate-500 { color: var(--text-secondary) !important; }
[data-theme="dark"] .text-slate-600 { color: var(--text-secondary) !important; }
[data-theme="dark"] .text-gray-900  { color: var(--text-primary) !important; }
[data-theme="dark"] .text-gray-500  { color: var(--text-secondary) !important; }
[data-theme="dark"] .bg-white       { background-color: var(--bg-card) !important; }
[data-theme="dark"] .bg-slate-50    { background-color: var(--bg-section) !important; }
[data-theme="dark"] .bg-\[#fafafa\] { background-color: var(--bg-section) !important; }
[data-theme="dark"] .border-slate-200 { border-color: var(--border-color) !important; }
[data-theme="dark"] .border-slate-100 { border-color: var(--border-color) !important; }
[data-theme="dark"] .border-gray-100  { border-color: var(--border-color) !important; }
/* ── Impact card in Hero ── */
[data-theme="dark"] .bg-white.p-8.rounded-\[20px\] {
    background-color: var(--bg-card) !important;
}
[data-theme="dark"] .text-slate-500.text-sm {
    color: var(--text-secondary) !important;
}
/* ── Keep "Let's Work Together" arrow circle white in dark mode ── */
[data-theme="dark"] #about a .bg-white {
    background-color: #ffffff !important;
    color: #6366f1 !important;
}
/* ── "ABOUT US" label text → white in dark mode ── */
[data-theme="dark"] .text-slate-800 {
    color: var(--text-primary) !important;
}

/* ── Premium Hero Utilities ── */
.grid-pattern {
    background-size: 30px 30px;
    background-image: 
        linear-gradient(to right, rgba(148, 163, 184, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(148, 163, 184, 0.04) 1px, transparent 1px);
}
[data-theme="dark"] .grid-pattern {
    background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
}

.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(226, 232, 240, 0.8);
}
[data-theme="dark"] .glass-card {
    background: rgba(15, 23, 42, 0.6) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.06) !important;
}

.animation-delay-100 { animation-delay: 100ms; }
.animation-delay-200 { animation-delay: 200ms; }
.animation-delay-300 { animation-delay: 300ms; }
.animation-delay-400 { animation-delay: 400ms; }
.animation-delay-500 { animation-delay: 500ms; }
.animation-delay-700 { animation-delay: 700ms; }
.animation-delay-1000 { animation-delay: 1000ms; }