:root {
    /* Dark Theme Palette (Default) */
    --primary-bg: #0B1120;
    --secondary-bg: #0F172A;
    --tertiary-bg: #1E293B;
    --accent-glow: #38BDF8;
    --accent-glow-secondary: #818CF8;
    --glass-bg: rgba(30, 41, 59, 0.4);
    --glass-border: rgba(255, 255, 255, 0.08);

    /* Text */
    --text-white: #F8FAFC;
    --text-muted: #94A3B8;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition-speed: 0.4s;
}

body.light-theme {
    /* ── Light Theme Palette — Crisp Academic White ───── */
    --primary-bg: #ffffff;
    --secondary-bg: #f8fafc;
    --tertiary-bg: #f1f5f9;
    --accent-glow: #4338ca;            /* Indigo-700 — authoritative academic accent */
    --accent-glow-secondary: #0284c7;  /* Sky-600 — fresh complementary blue */
    --glass-bg: rgba(255, 255, 255, 0.92);
    --glass-border: rgba(15, 23, 42, 0.06);

    /* Text */
    --text-white: #0f172a;  /* Slate-900 — crisp heading color */
    --text-muted: #475569;  /* Slate-600 — comfortable reading color */
}

/* ── Light Theme — Navbar ─────────────────────────── */
body.light-theme #mainNav {
    background: rgba(255, 255, 255, 0.92) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}
body.light-theme #mainNav.navbar-shrink {
    background: rgba(255, 255, 255, 0.97) !important;
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
}
body.light-theme #mainNav .navbar-nav .nav-item .nav-link {
    color: #475569;
}
body.light-theme #mainNav .navbar-nav .nav-item .nav-link:hover,
body.light-theme #mainNav .navbar-nav .nav-item .nav-link.active {
    color: var(--accent-glow);
}
body.light-theme .navbar-toggler {
    color: #334155;
    border-color: rgba(0,0,0,0.1);
}

/* ── Light Theme — Hero ───────────────────────────── */
body.light-theme .hero::before {
    background: transparent !important; /* remove dark vignette */
}
body.light-theme .hero-subtitle {
    color: #64748b; /* Slate-500 — softer than body for subtitles */
}

/* ── Light Theme — Glass Cards & Panels ───────────── */
body.light-theme .glass-card {
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 16px -4px rgba(0, 0, 0, 0.06);
    backdrop-filter: none;
}
body.light-theme .glass-panel {
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 16px -4px rgba(0, 0, 0, 0.06);
    backdrop-filter: none;
}
body.light-theme .card-hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px -6px rgba(67, 56, 202, 0.12), 0 2px 8px rgba(0, 0, 0, 0.06);
    border-color: rgba(67, 56, 202, 0.2);
    background: #ffffff;
}

/* ── Light Theme — Icon Boxes ─────────────────────── */
body.light-theme .icon-box-gradient {
    background: rgba(67, 56, 202, 0.06);
    border: 1px solid rgba(67, 56, 202, 0.12);
    color: var(--accent-glow);
}

/* ── Light Theme — Badges ─────────────────────────── */
body.light-theme .badge-glass {
    background: #f1f5f9;
    border: 1px solid rgba(15, 23, 42, 0.08);
    color: #334155;
}
body.light-theme .badge-gradient {
    box-shadow: 0 2px 8px -2px rgba(67, 56, 202, 0.3);
}

/* ── Light Theme — Buttons ────────────────────────── */
body.light-theme .btn-gradient {
    box-shadow: 0 4px 14px -3px rgba(67, 56, 202, 0.35);
}
body.light-theme .btn-gradient:hover {
    box-shadow: 0 8px 20px -3px rgba(67, 56, 202, 0.45);
}
body.light-theme .btn-outline-glass {
    color: #0f172a;
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    backdrop-filter: none;
}
body.light-theme .btn-outline-glass:hover {
    background: #f8fafc;
    border-color: rgba(67, 56, 202, 0.25);
    color: var(--accent-glow);
    box-shadow: 0 2px 8px rgba(67, 56, 202, 0.1);
}

/* ── Light Theme — Footer ─────────────────────────── */
body.light-theme footer {
    background-color: #f8fafc !important;
    border-top: 1px solid rgba(15, 23, 42, 0.06);
    color: #475569;
}
body.light-theme footer h3 {
    color: #0f172a;
}
body.light-theme footer p {
    color: #475569;
}
body.light-theme footer a {
    color: #475569;
}
body.light-theme footer a:hover {
    color: var(--accent-glow);
}
body.light-theme footer .text-white-50 {
    color: #94a3b8 !important; /* Slate-400 for copyright */
}

/* ── Light Theme — Social Icons ───────────────────── */
body.light-theme .social-icons a {
    color: #334155 !important;
    opacity: 0.8;
    text-shadow: none;
}
body.light-theme .social-icons a:hover {
    color: var(--accent-glow) !important;
    opacity: 1;
    text-shadow: none;
}

/* ── Light Theme — Timeline ───────────────────────── */
body.light-theme .timeline {
    border-left: 2px solid rgba(67, 56, 202, 0.15);
}
body.light-theme .timeline-item::before {
    background: #ffffff;
    border-color: var(--accent-glow);
    box-shadow: 0 0 0 3px rgba(67, 56, 202, 0.1);
}
body.light-theme .timeline-date {
    font-weight: 700;
    color: var(--accent-glow);
}

/* ── Light Theme — Hero Photo ─────────────────────── */
body.light-theme .hero-photo {
    border-color: rgba(15, 23, 42, 0.08);
    background: rgba(255, 255, 255, 1);
    box-shadow:
        0 0 0 10px rgba(255, 255, 255, 0.95),
        0 0 0 11px rgba(67, 56, 202, 0.04), /* Subtle outer ring */
        0 12px 32px -8px rgba(67, 56, 202, 0.15);
}
body.light-theme .hero-photo:hover {
    box-shadow:
        0 0 0 6px rgba(255, 255, 255, 0.9),
        0 20px 48px -8px rgba(67, 56, 202, 0.22);
}
body.light-theme .hero-photo-ring {
    border-color: rgba(67, 56, 202, 0.15);
}

/* ── Light Theme — CV Viewer ──────────────────────── */
body.light-theme .cv-viewer-toolbar {
    background: #f8fafc;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}
body.light-theme .cv-viewer-frame {
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 4px 16px -4px rgba(0, 0, 0, 0.08);
}

/* ── Light Theme — Theme Toggle Button ────────────── */
body.light-theme .theme-cycle-btn {
    border-color: rgba(15, 23, 42, 0.12);
    background: rgba(241, 245, 249, 0.8);
}
body.light-theme .theme-cycle-btn:hover {
    border-color: rgba(67, 56, 202, 0.3);
    background: rgba(67, 56, 202, 0.06);
}

/* ── Light Theme — Quote Icon ─────────────────────── */
body.light-theme .quote-icon-bg {
    color: rgba(0, 0, 0, 0.03);
}

/* ── Light Theme — Section Heading Underline ──────── */
body.light-theme .section-heading::after {
    background: linear-gradient(90deg, #4338ca, #0284c7);
}

body.cartoon-theme {
    /* Professional Editorial / Flat-Design Cartoon Palette */
    --primary-bg: #FEFCF3;            /* Warm parchment */
    --secondary-bg: #F5F0E8;          /* Aged paper */
    --tertiary-bg: #EDE7D9;           /* Tan parchment */
    --accent-glow: #E97316;           /* Warm amber — professional, warm, vibrant */
    --accent-glow-secondary: #0D9488; /* Sage teal — scientific, calm, complementary */
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: #1B3A4B;          /* Deep ink navy — not harsh black */
    --cartoon-shadow: 4px 4px 0px #1B3A4B; /* Soft ink offset shadow */

    /* Text */
    --text-white: #1B3A4B;            /* Deep ink navy for headings */
    --text-muted: #4B5563;            /* Slate grey for body text */

    /* Typography */
    --font-heading: 'Nunito', sans-serif;
}

body.glass-theme {
    /* Premium Glass Theme Palette - Deep & Moody */
    --primary-bg: #050a15;
    --secondary-bg: #0a1128;
    --tertiary-bg: rgba(10, 17, 40, 0.5);
    --accent-glow: #00f2fe;
    --accent-glow-secondary: #4facfe;
    --glass-bg: rgba(255, 255, 255, 0.02);
    --glass-border: rgba(255, 255, 255, 0.15); /* Frosty top/left edge */
    --glass-border-dark: rgba(0, 0, 0, 0.4);   /* Depth on bottom/right */

    /* Text */
    --text-white: #ffffff;
    --text-muted: #a0aec0;

    /* Extra Glass settings */
    --glass-blur: 32px;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-white);
    background-color: transparent !important;
    overflow-x: hidden;
    position: relative;
    /* transition removed to prevent background clashes */
}

/* Global TS Particles Background Container */
#tsparticles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 0; /* Render above html/body background but behind DOM */
    pointer-events: none;
    background-color: var(--primary-bg); /* The true backdrop color */
    transition: background-color 0.5s ease;
}

/* Premium Glass Theme Background Texture */
body.glass-theme::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(0, 242, 254, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(79, 172, 254, 0.1) 0%, transparent 50%);
    z-index: 1; /* Keep above vanta-bg but below content */
    pointer-events: none;
}

h1, h2, h3, h4, h5, h6, .font-heading {
    font-family: var(--font-heading);
    color: var(--text-white);
    font-weight: 700;
}
body.cartoon-theme h1,
body.cartoon-theme h2,
body.cartoon-theme h3,
body.cartoon-theme h4,
body.cartoon-theme h5,
body.cartoon-theme h6,
body.cartoon-theme .font-heading {
    font-family: 'Nunito', sans-serif;
    font-weight: 900;
    letter-spacing: -0.5px;
    -webkit-text-stroke: 0px; /* Clean — no heavy stroke */
}

/* Base styles / Helpers */
section {
    padding: 100px 0;
}
.section-heading {
    position: relative;
    margin-bottom: 3rem;
    padding-bottom: 1rem;
    font-weight: 800;
    font-size: 2.5rem;
}
body.cartoon-theme .section-heading {
    font-size: 2.8rem;
    font-weight: 900;
    color: #1B3A4B;               /* Deep ink navy headings */
    -webkit-text-stroke: 0px;     /* No harsh stroke in professional version */
    letter-spacing: -1px;
    text-shadow: 2px 2px 0 rgba(27, 58, 75, 0.15); /* Subtle depth */
}
.section-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-glow), var(--accent-glow-secondary));
    border-radius: 2px;
}
body.cartoon-theme .section-heading::after {
    background: #E97316;          /* Amber underline stripe */
    height: 6px;
    border: 2px solid #1B3A4B;
    border-radius: 3px;
}
.text-center .section-heading::after {
    left: 50%;
    transform: translateX(-50%);
}
/* Sections */
.bg-section-dark {
    background-color: var(--primary-bg); /* Solid by default */
    position: relative;
    transition: background-color var(--transition-speed);
}

.bg-section-darker {
    background-color: var(--secondary-bg); /* Solid by default */
    position: relative;
    transition: background-color var(--transition-speed);
}

/* Translucency restricted to Glass Theme only */
body.glass-theme .bg-section-dark {
    background-color: rgba(18, 20, 24, 0.85) !important;
}

body.glass-theme .bg-section-darker {
    background-color: rgba(10, 12, 16, 0.85) !important;
}

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

p.text-muted-light {
    color: var(--text-muted);
}

/* Navigation */
#mainNav {
    background-color: rgba(11, 17, 32, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-speed) ease-in-out;
    padding: 1.25rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
/* Footer */
footer {
    background-color: rgba(3, 7, 18, 0.7);
    padding: 60px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
}
body.cartoon-theme #mainNav {
    background-color: #1B3A4B;    /* Deep ink navy navbar */
    border-bottom: 4px solid #E97316; /* Amber accent border */
    box-shadow: 0 4px 0 #E97316;
    padding: 0.75rem 0;
}
body.cartoon-theme #mainNav .navbar-brand {
    color: #fff;
    font-family: 'Nunito', sans-serif;
    font-weight: 900;
    font-size: 1.7rem;
    text-shadow: 2px 2px 0 rgba(0,0,0,0.25);
}
body.cartoon-theme #mainNav .navbar-nav .nav-item .nav-link {
    color: #e2e8f0;
    font-weight: 800;
    font-family: 'Nunito', sans-serif;
}
body.cartoon-theme #mainNav .navbar-nav .nav-item .nav-link:hover {
    color: #E97316;   /* Amber highlight */
    text-decoration: underline 2px;
}
#mainNav.navbar-shrink {
    padding: 0.75rem 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    background-color: rgba(11, 17, 32, 0.95);
}
#mainNav .navbar-brand {
    font-weight: 800;
    letter-spacing: 1px;
    font-size: 1.5rem;
    color: var(--text-white);
}
#mainNav .navbar-nav .nav-item .nav-link {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-muted);
    padding: 0.5rem 1.2rem;
    transition: color var(--transition-speed) ease;
}
#mainNav .navbar-nav .nav-item .nav-link:hover,
#mainNav .navbar-nav .nav-item .nav-link.active {
    color: var(--accent-glow);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: transparent; /* Let body background and particles show through */
    color: var(--text-white);
    padding-top: 76px;
    position: relative;
    overflow: hidden;
}
.hero canvas {
    display: none !important; /* Hide individual hero vanta if global is active */
}
/* Ensure robust gradient overlay over Vanta */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    /* Soften the vignette so particles are still visible */
    background: radial-gradient(circle at center, transparent 0%, rgba(3, 7, 18, 0.4) 100%);
    pointer-events: none;
    z-index: 1;
}

/* Glass Theme Overrides: Make everything fully transparent so particles show through */
body.glass-theme .bg-section-dark,
body.glass-theme .bg-section-darker,
body.glass-theme .hero,
body.glass-theme footer {
    background-color: transparent !important;
}

body.glass-theme .hero::before {
    background: transparent !important; /* Remove opaque vignette so spheres are clearly visible */
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1px;
    animation: fadeInUp 1s ease-out;
}
.hero-subtitle {
    font-size: 1.35rem;
    font-weight: 300;
    color: var(--text-muted);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.2s both;
}
.hero-btn {
    animation: fadeInUp 1s ease-out 0.4s both;
}

/* New Aesthetic Buttons */
.btn-gradient {
    background: linear-gradient(135deg, var(--accent-glow), var(--accent-glow-secondary));
    color: #fff;
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 50px; /* Pill shape */
    border: none;
    transition: all var(--transition-speed) ease;
    box-shadow: 0 10px 20px -5px rgba(56, 189, 248, 0.4);
}
body.cartoon-theme .btn-gradient {
    background: #FF6B6B;
    color: #fff;
    border: 3px solid #1a1a1a;
    border-radius: 12px;
    box-shadow: var(--cartoon-shadow);
    font-family: 'Nunito', sans-serif;
    font-weight: 900;
    letter-spacing: 0.5px;
    transition: all 0.15s ease;
}
body.cartoon-theme .btn-gradient:hover {
    transform: translateY(-3px) rotate(-1deg);
    box-shadow: 8px 8px 0 #1a1a1a;
    background: #FF4F4F;
    color: #fff;
}
.btn-gradient:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px -5px rgba(56, 189, 248, 0.6);
    color: #fff;
}
.btn-outline-glass {
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(5px);
    color: var(--text-white);
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all var(--transition-speed) ease;
}
body.cartoon-theme .btn-outline-glass {
    background: #FFD93D;
    border: 3px solid #1a1a1a;
    border-radius: 12px;
    box-shadow: var(--cartoon-shadow);
    font-family: 'Nunito', sans-serif;
    font-weight: 900;
    color: #1a1a1a;
    transition: all 0.15s ease;
}
body.cartoon-theme .btn-outline-glass:hover {
    transform: translateY(-3px) rotate(1deg);
    box-shadow: 8px 8px 0 #1a1a1a;
    background: #FFCA2C;
    color: #1a1a1a;
}
.btn-outline-glass:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
    transform: translateY(-3px);
    border-color: rgba(255,255,255,0.2);
}

/* Glassmorphism Cards & Panels */
.glass-panel {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur, 12px));
    -webkit-backdrop-filter: blur(var(--glass-blur, 12px));
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
}

body.glass-theme .glass-panel::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 45%,
        var(--glass-shimmer) 50%,
        transparent 55%
    );
    animation: glass-shimmer-anim 8s infinite linear;
    pointer-events: none;
}

@keyframes glass-shimmer-anim {
    from { transform: translateX(-100%) translateY(-100%); }
    to { transform: translateX(100%) translateY(100%); }
}
body.cartoon-theme .glass-panel {
    background: #FFFDF5;
    border: 3px solid #1a1a1a;
    box-shadow: var(--cartoon-shadow);
    border-radius: 20px;
    backdrop-filter: none;
}

body.glass-theme .glass-panel,
body.glass-theme .glass-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.02) 100%);
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.4);
    border-left: 1px solid rgba(255, 255, 255, 0.3);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 16px 32px -8px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
body.glass-theme .glass-panel::after {
    display: none; /* remove old shimmer animation */
}
body.glass-theme #mainNav {
    background: rgba(5, 10, 21, 0.3);
    border-bottom: 1px solid var(--glass-border);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.8);
}
body.glass-theme .btn-gradient,
body.glass-theme .btn-outline-glass {
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur, 8px));
    -webkit-backdrop-filter: blur(var(--glass-blur, 8px));
    border-radius: 16px;
    padding: 2.5rem;
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
}
body.cartoon-theme .glass-card {
    background: #ffffff;
    border: 3px solid #1a1a1a;
    box-shadow: var(--cartoon-shadow);
    border-radius: 20px;
    backdrop-filter: none;
}

.card-hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
    border-color: var(--accent-glow);
    background: var(--tertiary-bg);
}
/* light-theme card-hover-lift is in the consolidated light-theme block above */
body.cartoon-theme .card-hover-lift:hover {
    transform: translateY(-6px) rotate(-1deg);
    box-shadow: 8px 8px 0 #1a1a1a;
    border-color: var(--accent-glow);
    background: #FFF9F0;
}

.icon-box-gradient {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(129, 140, 248, 0.2));
    border: 1px solid rgba(56, 189, 248, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-glow);
}

/* Badges */
.badge-glass {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-family: var(--font-body);
}
.badge-gradient {
    background: linear-gradient(135deg, var(--accent-glow), var(--accent-glow-secondary));
    color: #fff;
    padding: 0.35rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* Timeline (Education) overrides */
.timeline {
    position: relative;
    padding-left: 2rem;
    border-left: 2px solid rgba(255,255,255,0.1);
}
.timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-2rem - 1px);   /* align left edge to border center */
    top: 0.35rem;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    transform: translateX(-50%);    /* center dot on the border line */
    background: var(--primary-bg);
    border: 2px solid var(--accent-glow);
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.5);
}
.timeline-date {
    font-weight: 600;
    color: var(--accent-glow);
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.fade-in-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Quotes Segment */
.quote-icon-bg {
    position: absolute;
    top: -20px;
    left: -10px;
    font-size: 10rem;
    color: rgba(255,255,255,0.03);
    z-index: 0;
    transform: rotate(-10deg);
}
/* light-theme quote-icon-bg is in the consolidated light-theme block above */

/* Footer Element */
footer {
    background-color: var(--secondary-bg); /* Use theme variable */
    color: var(--text-muted);
    padding: 4rem 0;
    border-top: 1px solid var(--glass-border);
}
footer h3 {
    color: var(--text-white);
}
footer a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-speed);
}
footer a:hover {
    color: var(--accent-glow);
}
.social-icons a {
    font-size: 1.5rem;
    margin: 0 0.75rem;
    display: inline-block;
    transition: all var(--transition-speed) ease;
    color: var(--text-white) !important;
    opacity: 0.7;
}
.social-icons a:hover {
    transform: translateY(-5px);
    color: var(--accent-glow) !important;
    opacity: 1;
    text-shadow: 0 0 15px rgba(56, 189, 248, 0.6);
}

/* Theme Toggle Cycle Button */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
    margin-left: 1rem;
}
.theme-cycle-btn {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 50px;
    cursor: pointer;
    font-size: 1.3rem;
    padding: 0.3rem 0.6rem;
    line-height: 1;
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 46px;
    height: 36px;
}
/* light-theme theme-cycle-btn is in the consolidated light-theme block above */
body.cartoon-theme .theme-cycle-btn {
    background: #E97316;
    color: white;
    border: 2.5px solid #1B3A4B;
    border-radius: 10px;
    box-shadow: 3px 3px 0 #1B3A4B;
    font-size: 1.2rem;
}
.theme-cycle-btn:hover {
    transform: scale(1.15) rotate(-8deg);
    border-color: rgba(255,255,255,0.4);
}
.theme-cycle-btn:active {
    transform: scale(0.95);
}

/* --- Old slider styles (kept for ref, hidden) --- */
.theme-switch, .slider { display: none; }

/* Cartoon badge & badge gradient overrides */
body.cartoon-theme .badge-glass {
    background: #F5F0E8;
    border: 2px solid #1B3A4B;
    color: #1B3A4B;
    font-family: 'Nunito', sans-serif;
    font-weight: 800;
    box-shadow: 2px 2px 0 #1B3A4B;
}
body.cartoon-theme .badge-gradient {
    background: #E97316;
    color: #fff;
    border: 2px solid #1B3A4B;
    box-shadow: 2px 2px 0 #1B3A4B;
    font-weight: 900;
}
body.cartoon-theme .icon-box-gradient {
    background: linear-gradient(135deg, rgba(233, 115, 22, 0.15), rgba(13, 148, 136, 0.15));
    border: 2px solid #1B3A4B;
    box-shadow: 3px 3px 0 #1B3A4B;
    color: #E97316;
}
/* light-theme timeline is in the consolidated light-theme block above */

body.cartoon-theme .timeline {
    border-left: 4px solid #1B3A4B;
}
body.cartoon-theme .timeline-item::before {
    background: #E97316;
    border: 3px solid #1B3A4B;
    box-shadow: 2px 2px 0 #1B3A4B;
}
body.cartoon-theme .timeline-date {
    color: #E97316;   /* Warm amber date labels */
    font-family: 'Nunito', sans-serif;
    font-weight: 900;
}
body.cartoon-theme .hero-subtitle {
    color: #4B5563;
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
}
body.cartoon-theme .text-gradient {
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
    color: #E97316;
    text-shadow: 2px 2px 0 rgba(27, 58, 75, 0.15);
}
body.cartoon-theme footer {
    border-top: 4px solid #E97316;
    background-color: #1B3A4B;    /* Deep ink navy footer — professional */
}
body.cartoon-theme footer h3,
body.cartoon-theme footer p,
body.cartoon-theme footer a {
    color: #e2e8f0;
}
body.cartoon-theme footer a:hover {
    color: #E97316;   /* Amber hover on dark footer */
}

/* ─── Hero Profile Photo ─────────────────────────────────── */
.hero-photo-wrapper {
    position: relative;
    display: inline-block;
    animation: fadeInUp 1s ease-out 0.3s both;
}
.hero-photo {
    width: 400px;
    height: 400px;
    object-fit: cover;
    object-position: center 25%; /* To pull face into center of original tall portrait */
    padding: 3px; /* Shrink image within the frame */
    background: var(--glass-bg);
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    box-shadow:
        0 0 0 12px var(--glass-bg),
        0 20px 60px -10px rgba(56, 189, 248, 0.35);
    position: relative;
    z-index: 2;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.hero-photo:hover {
    transform: scale(1.03);
    box-shadow:
        0 0 0 8px var(--glass-bg),
        0 30px 70px -10px rgba(56, 189, 248, 0.55);
}
.hero-photo-ring {
    position: absolute;
    inset: -14px;
    border-radius: 50%;
    border: 2px dashed rgba(56, 189, 248, 0.35);
    animation: ring-spin 18s linear infinite;
    z-index: 1;
}
/* light-theme hero-photo is in the consolidated light-theme block above */
body.cartoon-theme .hero-photo {
    border: 4px solid #1B3A4B;
    box-shadow:
        0 0 0 8px rgba(255,255,255,0.9),
        6px 6px 0 #1B3A4B;
    border-radius: 50%;
}
body.cartoon-theme .hero-photo-ring {
    border: 3px dashed #E97316;
    opacity: 0.6;
}
@keyframes ring-spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* ─── CV Section ─────────────────────────────────────────── */
.cv-viewer-wrapper {
    min-height: 680px;
}
.cv-viewer-frame {
    border-radius: 16px;
    overflow: hidden;
}
.cv-viewer-toolbar {
    background: rgba(255,255,255,0.04);
    border-bottom: 1px solid var(--glass-border);
    min-height: 44px;
}
/* light-theme cv-viewer-toolbar is in the consolidated light-theme block above */
body.cartoon-theme .cv-viewer-frame {
    border: 3px solid #1B3A4B;
    box-shadow: var(--cartoon-shadow);
    border-radius: 16px;
}
body.cartoon-theme .cv-viewer-toolbar {
    background: #F5F0E8;
    border-bottom: 3px solid #1B3A4B;
}
.cv-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}
.cv-iframe {
    width: 100%;
    height: 680px;
    border: none;
    display: block;
    background: #fff;
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    .hero {
        padding-top: 100px;
    }
    .glass-card, .glass-panel {
        padding: 1.5rem;
    }
    .hero-photo {
        width: 220px;
        height: 220px;
    }
    .cv-iframe {
        height: 480px;
    }
    .cv-viewer-wrapper {
        min-height: 520px;
    }
}