/* ============================================
   PROFESSIONAL DARK THEME CSS
   Data Analyst Portfolio | Left Side Image | Modern Dark UI
   ============================================ */

/* ---------- CSS VARIABLES (Dark Theme) ---------- */
:root {
    /* Primary Colors - Elegant Teal/Green */
    --primary: #2dd4bf;
    --primary-light: #5eead4;
    --primary-dark: #14b8a6;
    --primary-soft: #134e4a;
    
    /* Secondary Colors */
    --secondary: #38bdf8;
    --secondary-light: #7dd3fc;
    --secondary-soft: #0c4a6e;
    
    /* Dark Theme Colors */
    --bg-main: #0a0e17;
    --bg-card: #111827;
    --bg-alt: #0f141f;
    --bg-elevated: #1a2332;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border: #1e293b;
    --border-light: #334155;
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.6);
    --glow: 0 0 20px rgba(45, 212, 191, 0.15);
}

/* ---------- GLOBAL RESET ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    scroll-behavior: smooth;
}

/* ---------- TYPOGRAPHY ---------- */
h1, h2, h3, h4 {
    font-weight: 600;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-weight: 600;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    width: 56px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 4px;
}

h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
}

p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ---------- NAVBAR ---------- */
.navbar {
    background: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 6%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 2.2rem;
    align-items: center;
    flex-wrap: wrap;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.2s ease;
    font-size: 0.95rem;
}

.nav-links a:not(.btn):hover {
    color: var(--primary);
}

.btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--bg-main) !important;
    padding: 0.5rem 1.4rem;
    border-radius: 40px;
    font-weight: 600;
    transition: all 0.25s ease;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(45, 212, 191, 0.3);
}

/* ---------- HERO SECTION (Image on Left) ---------- */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4rem 6%;
    gap: 4rem;
    flex-wrap: wrap;
    background: linear-gradient(135deg, var(--bg-main) 0%, var(--bg-alt) 100%);
    flex-direction: row;
}

/* Image on the left */
.hero-image {
    flex: 0.8;
    display: flex;
    justify-content: center;
    min-width: 260px;
    order: 1;
}

.hero-image img {
    width: 260px;
    height: 260px;
    object-fit: cover;
    border-radius: 50%;   /* 🔥 makes it perfect circle */
    border: 3px solid var(--primary);
    box-shadow: 0 0 25px rgba(45, 212, 191, 0.25);
    transition: all 0.3s ease;
}

.hero-image img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-hover), 0 0 25px rgba(45, 212, 191, 0.2);
    border-color: var(--primary);
}

/* Text on the right */
.hero-text {
    flex: 1.2;
    min-width: 300px;
    order: 2;
}

.role {
    font-size: 1.2rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.bio {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.btn-main {
    background: var(--bg-elevated);
    color: var(--text-secondary) !important;
    padding: 0.7rem 1.8rem;
    border-radius: 40px;
    font-weight: 500;
    transition: all 0.25s ease;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.btn-main.active-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--bg-main) !important;
    border: none;
    box-shadow: 0 4px 12px rgba(45, 212, 191, 0.3);
}

.btn-main:hover {
    background: var(--border);
    transform: translateY(-2px);
    border-color: var(--primary-soft);
}

.social-links {
    display: flex;
    gap: 1.8rem;
    margin-top: 1.5rem;
}

.social-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    transition: all 0.2s ease;
    font-size: 0.95rem;
}

.social-links a:hover {
    color: var(--primary);
}

/* ---------- SKILLS SECTION ---------- */
.skills-section {
    background: var(--bg-alt);
    padding: 3rem 6%;
    text-align: center;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.skills-section p {
    max-width: 750px;
    margin: 1rem auto 0;
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ---------- PROJECTS & CERTIFICATES SECTIONS ---------- */
.projects {
    padding: 4rem 6%;
    background: var(--bg-main);
}

.hidden-section {
    display: none;
}

.hidden-section.active-section {
    display: block;
    animation: fadeInUp 0.5s ease-out;
}

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

/* Grid Layout for Projects */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 1.8rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.2, 0, 0, 1);
    border: 1px solid var(--border);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-soft);
}

.card h3 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.tags {
    margin: 1rem 0 0.5rem;
}

.tags span {
    background: var(--primary-soft);
    color: var(--primary-light);
    padding: 0.3rem 0.9rem;
    border-radius: 30px;
    font-size: 0.7rem;
    font-weight: 600;
    display: inline-block;
    letter-spacing: 0.02em;
}

.link-btn {
    display: inline-block;
    margin-top: 0.75rem;
    text-decoration: none;
    color: var(--primary);
    font-weight: 500;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.link-btn:hover {
    color: var(--primary-light);
    transform: translateX(4px);
}

/* ---------- CERTIFICATES GRID ---------- */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.cert-card {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border);
    text-align: center;
    padding-bottom: 1.2rem;
}

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

.cert-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.cert-card:hover .cert-img {
    transform: scale(1.03);
}

.cert-card h4 {
    margin: 1rem 1rem 0.5rem;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.cert-card p {
    margin: 0 1rem 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ---------- FOOTER ---------- */
footer {
    background: var(--bg-alt);
    color: var(--text-muted);
    text-align: center;
    padding: 2rem;
    margin-top: 2rem;
    border-top: 1px solid var(--border);
    font-size: 0.85rem;
}

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

/* ---------- RESPONSIVE DESIGN ---------- */
@media (max-width: 768px) {
    h1 {
        font-size: 2.4rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .navbar {
        flex-direction: column;
        text-align: center;
        padding: 1rem 5%;
    }

    .nav-links {
        justify-content: center;
        gap: 1.5rem;
    }

    /* On mobile, image goes above text */
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 2.5rem 5%;
        gap: 2rem;
    }

    .hero-image {
        order: 1;
    }

    .hero-text {
        text-align: center;
        order: 2;
    }

    .bio {
        max-width: 100%;
    }

    .hero-buttons {
        justify-content: center;
    }

    .social-links {
        justify-content: center;
    }

    h2::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .grid, .cert-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .hero-image img {
        width: 220px;
        height: 220px;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }

    .navbar {
        padding: 0.8rem 1rem;
    }

    .btn-main {
        padding: 0.5rem 1.2rem;
        font-size: 0.85rem;
    }

    .card, .cert-card {
        padding: 1.2rem;
    }

    .projects, .skills-section {
        padding: 2rem 1.2rem;
    }
}

/* ---------- UTILITY CLASSES ---------- */
.text-center {
    text-align: center;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

/* ---------- CUSTOM SCROLLBAR ---------- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--border);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-dark);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* ---------- SELECTION COLOR ---------- */
::selection {
    background: var(--primary-soft);
    color: var(--primary-light);
}

/* ---------- FOCUS STATES FOR ACCESSIBILITY ---------- */
button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ---------- GLOW EFFECT FOR ACTIVE BUTTONS ---------- */
.btn-main.active-btn {
    position: relative;
    overflow: hidden;
}

.btn-main.active-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.btn-main.active-btn:hover::before {
    left: 100%;
}

/* ---------- ANIMATION FOR SECTION TRANSITIONS ---------- */
@keyframes subtleGlow {
    0% { box-shadow: 0 0 0 0 rgba(45, 212, 191, 0.1); }
    100% { box-shadow: 0 0 0 0 rgba(45, 212, 191, 0); }
}

.active-section {
    animation: fadeInUp 0.4s ease-out;
}
.skills-list {
    list-style: none;   /* removes dots */
    padding-left: 0;    /* removes left spacing */
    margin: 0;
}

.skills-list li {
    margin: 6px 0;
}
.skills-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 1.5rem;
}

.skill-tag {
    background: var(--bg-elevated);
    color: var(--primary-light);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--border);
    transition: all 0.25s ease;
    cursor: default;
}

.skill-tag:hover {
    background: var(--primary-soft);
    border-color: var(--primary);
    transform: translateY(-2px);
}
/* 🔹 FLASH CONTAINER */
/* 🔹 CONTACT SECTION */
.contact-section {
    padding: 90px 10%;
    background: radial-gradient(circle at top, #0f172a, #020617);
}

/* 🔹 HEADING */
.contact-section h2 {
    font-size: 30px;
    font-weight: 600;
    margin-bottom: 40px;
    letter-spacing: 0.5px;
}

/* 🔹 CONTAINER */
.contact-container {
    display: flex;
    gap: 60px;
    flex-wrap: wrap;
    align-items: stretch;
}

/* 🔹 CARD BASE (shared look) */
.contact-info,
.contact-form {
    flex: 1;
    background: rgba(30, 41, 59, 0.75);
    backdrop-filter: blur(12px);

    padding: 35px;
    border-radius: 18px;

    border: 1px solid rgba(255, 255, 255, 0.05);

    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.03);

    transition: all 0.35s ease;
}

/* 🔹 HOVER (subtle premium effect) */
.contact-info:hover,
.contact-form:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 14px 40px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* 🔹 INFO TEXT */
.contact-info {
    color: #cbd5f5;
    line-height: 1.9;
    font-size: 15px;
}

.contact-info a {
    color: #60a5fa;
    text-decoration: none;
    font-weight: 500;
}

.contact-info a:hover {
    color: #3b82f6;
    text-decoration: underline;
}

/* 🔹 FORM */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 🔹 INPUT FIELDS */
.contact-form input,
.contact-form textarea {
    padding: 14px 16px;
    border-radius: 12px;

    border: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(2, 6, 23, 0.8);

    color: #e2e8f0;
    font-size: 14px;

    transition: all 0.25s ease;
}

/* 🔹 PLACEHOLDER */
.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: #64748b;
}

/* 🔹 FOCUS EFFECT (premium glow) */
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border: 1px solid #3b82f6;

    box-shadow:
        0 0 0 2px rgba(59, 130, 246, 0.15),
        0 0 20px rgba(59, 130, 246, 0.15);
}

/* 🔹 TEXTAREA */
.contact-form textarea {
    min-height: 130px;
    resize: none;
}

/* 🔹 BUTTON */
.contact-form button {
    margin-top: 10px;
    padding: 13px;
    border-radius: 12px;
    border: none;

    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;

    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.3px;

    cursor: pointer;

    transition: all 0.3s ease;
}

/* 🔹 BUTTON HOVER */
.contact-form button:hover {
    transform: translateY(-2px) scale(1.01);

    box-shadow:
        0 12px 30px rgba(59, 130, 246, 0.45),
        0 0 20px rgba(59, 130, 246, 0.25);
}

/* 🔹 RESPONSIVE */
@media (max-width: 768px) {
    .contact-container {
        flex-direction: column;
        gap: 30px;
    }
}
/* 🔹 FLASH CONTAINER */
.flash-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* 🔹 BASE FLASH STYLE */
.flash {
    min-width: 260px;
    max-width: 320px;
    padding: 14px 18px;
    border-radius: 12px;

    display: flex;
    align-items: center;
    gap: 10px;

    font-size: 14px;
    font-weight: 500;
    color: #fff;

    backdrop-filter: blur(10px);

    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);

    animation: slideIn 0.4s ease;
}

/* 🔹 SUCCESS STYLE */
.flash.success {
    background: linear-gradient(135deg, #22c55e, #16a34a);
}

/* 🔹 SUCCESS ICON (optional) */
.flash.success::before {
    content: "✔";
    font-weight: bold;
    font-size: 16px;
}

/* 🔹 HOVER EFFECT */
.flash:hover {
    transform: translateY(-2px);
    transition: 0.2s ease;
}

/* 🔹 ANIMATION */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}
/* 🔹 SOCIAL LINKS CONTAINER */
.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

/* 🔹 ICON BASE */
.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;

    display: flex;
    align-items: center;
    justify-content: center;

    font-size: 18px;
    color: white;

    background: #1e293b;

    transition: all 0.3s ease;
    text-decoration: none;

    box-shadow: 0 6px 15px rgba(0,0,0,0.3);
}

/* 🔹 HOVER EFFECT */
.social-icon:hover {
    transform: translateY(-3px);
}

/* 🔹 PLATFORM COLORS */
.social-icon.linkedin:hover {
    background: #0077b5;
}

.social-icon.github:hover {
    background: #333;
}

.social-icon.instagram:hover {
    background: linear-gradient(135deg, #f58529, #dd2a7b, #8134af);
}
/* 🔹 CONTACT INFO WRAPPER */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* 🔹 EACH ITEM (CARD STYLE) */
.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;

    padding: 14px 16px;
    border-radius: 14px;

    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(10px);

    border: 1px solid rgba(255, 255, 255, 0.05);

    transition: all 0.3s ease;
}

/* 🔹 HOVER EFFECT (premium subtle lift) */
.contact-item:hover {
    transform: translateY(-2px);

    background: rgba(30, 41, 59, 0.8);

    box-shadow:
        0 8px 25px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* 🔹 ICON (clean circle style) */
.contact-item i {
    font-size: 14px;
    color: #38bdf8;

    width: 36px;
    height: 36px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 10px;

    background: rgba(56, 189, 248, 0.1);

    box-shadow: inset 0 0 10px rgba(56, 189, 248, 0.2);
}

/* 🔹 TEXT BLOCK */
.contact-item div {
    display: flex;
    flex-direction: column;
}

/* 🔹 LABEL (small, subtle) */
.contact-item span {
    font-size: 11px;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    color: #64748b;
}

/* 🔹 VALUE (main text) */
.contact-item p,
.contact-item a {
    font-size: 14px;
    font-weight: 500;
    color: #e2e8f0;
    text-decoration: none;
}

/* 🔹 LINK HOVER */
.contact-item a:hover {
    color: #38bdf8;
}

/* 🔹 MICRO INTERACTION */
.contact-item:active {
    transform: scale(0.98);
}
.logo {
    font-size: 32px;
    color: #38bdf8;
    margin-left: 18px;
}

/* 🌞 HIGH-CONTRAST PROFESSIONAL LIGHT THEME */
body.light-theme {
    /* 🔹 Backgrounds (clean + clear separation) */
    --bg-main: #f1f5f9;       /* main page */
    --bg-card: #ffffff;       /* cards stay pure white */
    --bg-alt: #e2e8f0;        /* section contrast */
    --bg-elevated: #ffffff;   /* inputs/buttons */

    /* 🔹 Text (strong readability) */
    --text-primary: #020617;  /* near black */
    --text-secondary: #1e293b;
    --text-muted: #475569;

    /* 🔹 Borders (visible but not harsh) */
    --border: #cbd5e1;
    --border-light: #94a3b8;

    /* 🔹 Shadows (sharper for structure) */
    --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.10);
    --shadow-lg: 0 12px 26px rgba(0, 0, 0, 0.14);
    --shadow-hover: 0 18px 36px rgba(0, 0, 0, 0.18);
}
#themeToggle {
    font-size: 0.9rem;
    padding: 5px 10px;
    border-radius: 20px;

    background: var(--bg-elevated);
    border: 1px solid var(--border);

    display: flex;
    align-items: center;
    justify-content: center;

    transition: all 0.25s ease;
}

/* Hover = subtle premium feedback */
#themeToggle:hover {
    background: var(--bg-alt);
    transform: translateY(-1px);
}
/* =========================================================
   🌞 FINAL PROFESSIONAL LIGHT THEME (FULL SYSTEM)
   High contrast • Clean • Fully readable • Production ready
   ========================================================= */

body.light-theme {

    /* 🔹 BRAND COLORS */
    --primary: #0284c7;
    --primary-light: #38bdf8;
    --primary-dark: #0369a1;
    --primary-soft: #e0f2fe;

    --secondary: #06b6d4;
    --secondary-light: #67e8f9;
    --secondary-soft: #ecfeff;

    /* 🔹 BACKGROUNDS */
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-alt: #f1f5f9;
    --bg-elevated: #ffffff;

    /* 🔹 TEXT (HIGH CONTRAST) */
    --text-primary: #020617;
    --text-secondary: #1e293b;
    --text-muted: #475569;

    /* 🔹 BORDERS */
    --border: #d1d9e6;
    --border-light: #b6c2d1;

    /* 🔹 SHADOWS */
    --shadow-sm: 0 2px 8px rgba(2, 6, 23, 0.06);
    --shadow-md: 0 6px 18px rgba(2, 6, 23, 0.10);
    --shadow-lg: 0 12px 30px rgba(2, 6, 23, 0.14);
    --shadow-hover: 0 18px 40px rgba(2, 6, 23, 0.18);

    --glow: none;
}

/* 🔹 SMOOTH THEME SWITCH */
body {
    transition: background 0.3s ease, color 0.3s ease;
}

/* =========================================================
   🔹 NAVBAR
   ========================================================= */
body.light-theme .navbar {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border);
}

body.light-theme .nav-links a {
    color: var(--text-secondary);
}

body.light-theme .nav-links a:hover {
    color: var(--primary);
}

/* =========================================================
   🔹 HERO
   ========================================================= */
body.light-theme .hero {
    background: linear-gradient(135deg, #f8fafc 0%, #eef2f7 100%);
}

/* =========================================================
   🔹 SECTION STRUCTURE (IMPORTANT)
   ========================================================= */
body.light-theme .skills-section,
body.light-theme .projects,
body.light-theme .contact-section {
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

/* =========================================================
   🔹 TYPOGRAPHY FIX
   ========================================================= */
body.light-theme p,
body.light-theme .bio,
body.light-theme .card p {
    color: var(--text-secondary);
}

body.light-theme small,
body.light-theme .text-muted {
    color: var(--text-muted);
}

/* =========================================================
   🔹 CARDS
   ========================================================= */
body.light-theme .card,
body.light-theme .cert-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

body.light-theme .card:hover,
body.light-theme .cert-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

body.light-theme .card h3 {
    color: var(--text-primary);
}

/* =========================================================
   🔹 TAGS
   ========================================================= */
body.light-theme .tags span {
    background: var(--primary-soft);
    color: var(--primary-dark);
    border: 1px solid var(--border);
}

/* =========================================================
   🔹 SKILLS
   ========================================================= */
body.light-theme .skill-tag {
    background: #f1f5f9;
    color: var(--primary-dark);
    border: 1px solid var(--border);
}

/* =========================================================
   🔹 BUTTONS
   ========================================================= */
body.light-theme .btn {
    color: #ffffff !important;
    font-weight: 600;
}

/* =========================================================
   🔹 CONTACT SECTION
   ========================================================= */
body.light-theme .contact-section {
    background: var(--bg-alt);
}

body.light-theme .contact-info,
body.light-theme .contact-form {
    background: #ffffff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

body.light-theme .contact-item {
    background: #f8fafc;
    border: 1px solid var(--border);
}

body.light-theme .contact-item:hover {
    background: #eef2f7;
}

body.light-theme .contact-item span {
    color: var(--text-muted);
}

body.light-theme .contact-item p,
body.light-theme .contact-item a {
    color: var(--text-primary);
}

/* =========================================================
   🔹 INPUT FIELDS
   ========================================================= */
body.light-theme .contact-form input,
body.light-theme .contact-form textarea {
    background: #ffffff;
    border: 1px solid var(--border);
    color: var(--text-primary);
}

body.light-theme .contact-form input::placeholder,
body.light-theme .contact-form textarea::placeholder {
    color: var(--text-muted);
}

/* =========================================================
   🔹 SOCIAL ICONS
   ========================================================= */
body.light-theme .social-icon {
    background: #f1f5f9;
    color: var(--text-primary);
}

/* =========================================================
   🔹 FOOTER
   ========================================================= */
body.light-theme footer {
    background: var(--bg-alt);
}

/* =========================================================
   🔹 SCROLLBAR
   ========================================================= */
body.light-theme ::-webkit-scrollbar-track {
    background: #e2e8f0;
}

body.light-theme ::-webkit-scrollbar-thumb {
    background: var(--primary);
}

/* =========================================================
   🔹 SELECTION
   ========================================================= */
body.light-theme ::selection {
    background: var(--primary-soft);
    color: var(--primary-dark);
}
/* =========================================================
   🔥 HERO BUTTON FIX (HIGH CONTRAST + CLEAR HIERARCHY)
   ========================================================= */

/* 🔹 PRIMARY BUTTON (View Projects) */
body.light-theme .hero-buttons .btn:first-child {
    background: linear-gradient(135deg, #0284c7, #0369a1);
    color: #ffffff !important;
    border: none;
    box-shadow: 0 6px 16px rgba(2, 132, 199, 0.35);
}

body.light-theme .hero-buttons .btn:first-child:hover {
    background: linear-gradient(135deg, #0369a1, #075985);
    transform: translateY(-2px);
}

/* 🔹 SECONDARY BUTTON (View Certificates) */
body.light-theme .hero-buttons .btn:last-child {
    background: #ffffff;
    color: #0284c7 !important;
    border: 2px solid #0284c7;
    box-shadow: none;
}

body.light-theme .hero-buttons .btn:last-child:hover {
    background: #0284c7;
    color: #ffffff !important;
}

/* 🔹 FIX FADED BUTTON ISSUE */
body.light-theme .btn-main {
    opacity: 1 !important;
}

/* 🔹 BETTER SPACING + VISIBILITY */
.hero-buttons a {
    min-width: 170px;
    text-align: center;
}


/* 🔹 DOWNLOAD BUTTON */
.btn-download {
    background: #6b6b84;
    color: #ffffff !important;
    border: 2px solid #dde0ed;
    transition: all 0.25s ease;
}

/* 🔹 HOVER */
.btn-download:hover {
    background: transparent;
    color: #b6d476 !important;
}

body.light-theme .btn-download {
    background: #2347e6;
    color: #ffffff !important;
    border: 2px solid #020617;
}

body.light-theme .btn-download:hover {
    background: transparent;
    color: #cebf53 !important;
}