/* --- Custom Properties (Design Tokens) --- */
:root {
    /* Fonts */
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;
    --font-mono: 'Fira Code', 'Courier New', Courier, monospace;

    /* Theme-independent colors */
    --color-primary: #7C3AED;
    /* Purple */
    --color-primary-rgb: 124, 58, 237;
    --color-secondary: #C65C9A;
    /* Pink */
    --color-secondary-rgb: 198, 92, 154;
    --color-accent: #65377A;
    /* Indigo Accent */

    /* Dark Theme Variables (Default) */
    --bg-color: #0F172A;
    --surface-color: rgba(30, 41, 59, 0.7);
    --surface-solid: #1E293B;
    --text-color: #F8FAFC;
    --text-muted: #CBD5E1;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(124, 58, 237, 0.4);
    --card-glow: rgba(124, 58, 237, 0.15);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.4);
    --nav-bg: rgba(15, 23, 42, 0.8);
    --modal-bg: rgba(15, 23, 42, 0.95);
    --accent-glow: radial-gradient(circle at 50% 50%, rgba(124, 58, 237, 0.15) 0%, transparent 80%);
}

/* Light Theme Variables */
[data-theme="light"] {
    --bg-color: #F8FAFC;
    --surface-color: rgba(255, 255, 255, 0.7);
    --surface-solid: #FFFFFF;
    --text-color: #0F172A;
    --text-muted: #475569;
    --border-color: rgba(15, 23, 42, 0.08);
    --border-hover: rgba(124, 58, 237, 0.3);
    --card-glow: rgba(124, 58, 237, 0.06);
    --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 20px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.12);
    --nav-bg: rgba(248, 250, 252, 0.8);
    --modal-bg: rgba(248, 250, 252, 0.95);
    --accent-glow: radial-gradient(circle at 50% 50%, rgba(124, 58, 237, 0.08) 0%, transparent 80%);
}

[data-theme="light"] .ticker-item {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(124, 58, 237, 0.15);
}

[data-theme="light"] .ticker-item:hover {
    background: rgba(124, 58, 237, 0.08);
    border-color: var(--color-primary);
}

/* Light mode overrides for CV button are removed as it now shares the same premium gradient style in both dark and light modes. */

/* --- Base & Reset --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    max-width: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    max-width: 100%;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease, transform 0.3s ease;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button,
input,
textarea,
select {
    font-family: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

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

/* --- Layout Utilities --- */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0 3rem;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}



.grid {
    display: grid;
    gap: 2rem;
}

/* --- Background Glow Blobs --- */
.blobs-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.blob {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    mix-blend-mode: screen;
    animation: floatBlob 25s infinite alternate ease-in-out;
}

[data-theme="light"] .blob {
    opacity: 0.08;
    mix-blend-mode: multiply;
}

.blob-1 {
    background: var(--color-primary);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.blob-2 {
    background: var(--color-secondary);
    bottom: -10%;
    right: -10%;
    animation-delay: 5s;
}

.blob-3 {
    background: var(--color-accent);
    top: 40%;
    left: 60%;
    animation-delay: 10s;
}

@keyframes floatBlob {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(80px, 50px) scale(1.15);
    }
}

/* --- Glassmorphism Cards --- */
.glass-card {
    background: var(--surface-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275),
        box-shadow 0.4s ease,
        border-color 0.4s ease;
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(800px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(255, 255, 255, 0.04), transparent 40%);
    z-index: 1;
    pointer-events: none;
}

.glass-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px var(--card-glow), var(--shadow-lg);
    border-color: var(--border-hover);
}

/* --- Sticky Navigation Bar --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: transparent;
    transition: background-color 0.3s ease, backdrop-filter 0.3s ease, border-color 0.3s ease;
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background: var(--nav-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-color: var(--border-color);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4.5rem;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}



.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-muted);
    position: relative;
    padding: 0.25rem 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Nav Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Theme Toggle Button */
.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.1);
    background-color: var(--surface-solid);
}

.theme-toggle svg,
.theme-toggle i {
    width: 20px;
    height: 20px;
    font-size: 20px;
    fill: currentColor;
}

.theme-toggle .sun-icon {
    display: none;
}

[data-theme="light"] .theme-toggle .moon-icon {
    display: none;
}

[data-theme="light"] .theme-toggle .sun-icon {
    display: block;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 30px;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-color);
    transition: 0.3s ease;
}

/* --- Hero Section --- */
.hero-section {
    display: flex;
    align-items: center;
    padding-top: 6rem;
}

.hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    min-width: 0;
    /* Prevents grid column track expansion from wide marquee children */
}



.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
}

.hero-title span {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-muted);
    line-height: 1.3;
    min-height: 1.3em;
}

.hero-subtitle:empty::before {
    content: '\00a0';
    visibility: hidden;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.btn {
    padding: 0.8rem 1.8rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
}

.btn-secondary {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.btn-secondary:hover {
    background: var(--surface-solid);
    border-color: var(--text-color);
    transform: translateY(-2px);
}

.hero-image-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-wrapper {
    position: relative;
    border-radius: 50% 50% 30% 70% / 50% 60% 40% 50%;
    width: 320px;
    height: 320px;
    overflow: hidden;
    border: 3px solid transparent;
    background: linear-gradient(var(--bg-color), var(--bg-color)) padding-box,
        linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%) border-box;
    box-shadow: 0 10px 30px rgba(124, 58, 237, 0.2);
    animation: morphProfile 8s infinite alternate ease-in-out;
}

.hero-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

@keyframes morphProfile {
    0% {
        border-radius: 50% 50% 30% 70% / 50% 60% 40% 50%;
    }

    100% {
        border-radius: 40% 60% 50% 50% / 60% 40% 60% 40%;
    }
}

/* --- About Me Section --- */
.about-main-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3rem;
    align-items: start;
    margin-bottom: 2rem;
}

.about-bio {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.about-bio .about-text {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-muted);
}

.about-stats-container {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    width: 100%;
}


/* --- Stats Glass Card Styling --- */
.stats-card {
    padding: 2.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stats-card-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-color);
    font-family: var(--font-heading);
    margin-bottom: 0.25rem;
}

.stats-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.stat-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 500;
    font-family: var(--font-primary);
}

.stat-value {
    color: var(--text-color);
    font-weight: 600;
    font-family: var(--font-primary);
}

.stat-value.highlight {
    color: var(--color-secondary);
    font-weight: 600;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    text-align: right;
}

.btn-terminal-cv {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.85rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border: none;
    border-radius: 8px;
    color: #fff;
    text-decoration: none;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.25);
}

.btn-terminal-cv:hover {
    background: linear-gradient(135deg, var(--color-primary) 10%, var(--color-secondary) 90%);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
    transform: translateY(-2px);
}

.btn-terminal-cv .arrow {
    transition: transform 0.3s ease;
}

.btn-terminal-cv:hover .arrow {
    transform: translate(2px, -2px);
}

/* Inline Skills Ticker in Hero Section */
.skills-ticker-inline {
    margin-top: 0.5rem;
    width: 100%;
    height: 3.25rem;
    /* Fixed height to prevent layout pumping/shifting vertically */
    box-sizing: border-box;
    display: flex;
    align-items: center;
    overflow: hidden;
    position: relative;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    mask-image: linear-gradient(to right, transparent, white 15%, white 85%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, white 15%, white 85%, transparent);
    contain: paint layout;
    /* Confines layout reflows and paint invalidations to this element only */
}



.about-traits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.trait-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
}

.trait-icon {
    width: 42px;
    height: 42px;
    border-radius: 8px;
    background: rgba(124, 58, 237, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.trait-icon svg,
.trait-icon i {
    width: 20px;
    height: 20px;
    font-size: 20px;
}

.trait-name {
    font-weight: 600;
    font-size: 0.95rem;
}



/* --- Technical Skills Marquee --- */
.marquee-container {
    width: 100%;
    overflow: hidden;
    display: flex;
    position: relative;
    padding: 0.25rem 0;
    mask-image: linear-gradient(to right, transparent, white 15%, white 85%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, white 15%, white 85%, transparent);
}

.marquee-track {
    display: flex;
    width: max-content;
    flex-shrink: 0;
    animation: scrollMarquee 35s linear infinite;
    will-change: transform;
    /* Promotes track to its own GPU layer */
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.ticker-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.8rem;
    margin-right: 1.25rem;
    /* Using margin-right instead of gap ensures mathematically seamless looping at 50% translation */
    flex-shrink: 0;
    background: rgba(30, 41, 59, 0.35);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    white-space: nowrap;
    user-select: none;
    will-change: transform;
    /* Promotes ticker items to GPU layers, stabilizing subpixel font/SVG rendering in motion */
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.ticker-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    background: rgba(30, 41, 59, 0.7);
}

.ticker-item svg,
.ticker-item i {
    width: 16px;
    height: 16px;
    font-size: 16px;
    flex-shrink: 0;
}

@keyframes scrollMarquee {
    0% {
        transform: translate3d(0, 0, 0);
    }

    100% {
        transform: translate3d(-50%, 0, 0);
    }
}


/* --- Skills Grid Section (Restored Categories) --- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.skills-category {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.skills-category:hover {
    transform: translateY(-5px);
    border-color: rgba(124, 58, 237, 0.3);
    box-shadow: 0 10px 25px rgba(124, 58, 237, 0.15);
}

.skills-category-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.85rem;
    margin-bottom: 0.25rem;
    font-family: var(--font-primary);
}

.skills-category-title svg {
    width: 22px;
    height: 22px;
    color: var(--color-primary);
    stroke-width: 2.25;
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.skill-item {
    display: flex;
    align-items: center;
    padding: 0.6rem 1.2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.skill-item:hover {
    background: rgba(124, 58, 237, 0.08);
    border-color: rgba(124, 58, 237, 0.2);
    transform: translateX(4px);
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-header span {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-color);
    font-family: var(--font-primary);
}

/* --- Stats Card Custom Styling --- */
.stats-card {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.stats-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-color);
    font-family: var(--font-primary);
    margin-bottom: 0.5rem;
}

.stats-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stat-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-primary);
}

.stat-value {
    font-weight: 600;
    color: var(--text-color);
}

/* Equalizing Traits Cards Size */
.trait-card {
    height: 100%;
}


/* --- Projects Section --- */
.projects-filter-bar {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-muted);
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    color: white;
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.2);
}

.projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.project-card {
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 0;
}

.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.08);
}

.project-info {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    gap: 1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-tag {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    background: rgba(124, 58, 237, 0.08);
    color: var(--color-primary);
    border: 1px solid rgba(124, 58, 237, 0.15);
}

.project-title {
    font-size: 1.25rem;
    line-height: 1.3;
}

.project-desc {
    color: var(--text-muted);
    font-size: 0.925rem;
    line-height: 1.5;
    flex-grow: 1;
}

.project-links {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.project-link-btn {
    font-weight: 600;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--color-primary);
    cursor: pointer;
    transition: color 0.3s ease;
}

.project-link-btn:hover {
    color: var(--color-secondary);
}

.project-link-btn svg {
    width: 16px;
    height: 16px;
}





.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.cert-card {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.cert-platform {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
}

.cert-title {
    font-size: 1.05rem;
    line-height: 1.3;
    font-weight: 600;
}

.cert-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: auto;
}

.cert-view-btn {
    color: var(--color-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
}

.cert-view-btn:hover {
    text-decoration: underline;
}

/* --- Contact Section --- */
.contact-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3.5rem;
    align-items: start;
}

.contact-info-column {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.5rem;
}

.contact-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: rgba(124, 58, 237, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-card-icon svg {
    width: 22px;
    height: 22px;
}

.contact-card-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.contact-card-title {
    font-weight: 600;
    font-size: 1rem;
}

.contact-card-value {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.contact-card-value a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.contact-socials {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-circle-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-circle-btn:hover {
    color: white;
    transform: translateY(-3px);
}

.social-circle-btn.linkedin:hover {
    background: #0A66C2;
    border-color: #0A66C2;
    box-shadow: 0 4px 12px rgba(10, 102, 194, 0.3);
}

.social-circle-btn.gmail:hover {
    background: #EA4335;
    border-color: #EA4335;
    box-shadow: 0 4px 12px rgba(234, 67, 53, 0.3);
}

.social-circle-btn.github:hover {
    background: #181717;
    border-color: #181717;
    box-shadow: 0 4px 12px rgba(24, 23, 23, 0.3);
}

.social-circle-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.contact-form-column {
    padding: 2.5rem;
}

.form-group {
    position: relative;
    margin-bottom: 2rem;
}

.form-control {
    width: 100%;
    padding: 0.8rem 0;
    border-bottom: 2px solid var(--border-color);
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: transparent;
}

.form-control:focus {
    border-bottom-color: var(--color-primary);
}

.form-label {
    position: absolute;
    left: 0;
    top: 0.8rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: all 0.3s ease;
}

.form-control:focus~.form-label,
.form-control:not(:placeholder-shown)~.form-label {
    top: -1.2rem;
    font-size: 0.8rem;
    color: var(--color-primary);
    font-weight: 600;
}

textarea.form-control {
    min-height: 100px;
    resize: none;
}

.form-submit-container {
    display: flex;
    justify-content: flex-end;
}

.form-feedback {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    display: none;
}

.form-feedback.success {
    display: block;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #10B981;
}

.form-feedback.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #EF4444;
}

/* --- Footer --- */
.footer {
    background: var(--surface-solid);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.copyright {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-right {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.viewer-count {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 0.35rem 0.7rem;
    border-radius: 6px;
    font-family: var(--font-primary);
}

[data-theme="light"] .viewer-count {
    background: rgba(124, 58, 237, 0.03);
    border-color: rgba(124, 58, 237, 0.1);
}

.viewer-count svg,
.viewer-count i {
    width: 14px;
    height: 14px;
    font-size: 14px;
    color: var(--color-primary);
}

.back-to-top {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.back-to-top:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-3px);
}

.back-to-top svg,
.back-to-top i {
    width: 20px;
    height: 20px;
    font-size: 20px;
}

/* --- Scroll Animations --- */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-animate.animated {
    opacity: 1;
    transform: translateY(0);
}

/* --- Modal & Lightbox Styles --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: var(--modal-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-lg);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
    z-index: 10;
}

.modal-close-btn:hover {
    background-color: var(--surface-solid);
    transform: scale(1.1);
}

.modal-close-btn svg,
.modal-close-btn i {
    width: 18px;
    height: 18px;
    font-size: 18px;
}

.modal-body {
    padding: 2.5rem;
}

/* Project Detail Specific Modal Styles */
.modal-project-title {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.modal-carousel {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    height: 380px;
    background: #0b0f19;
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.modal-carousel-track {
    display: flex;
    height: 100%;
    transition: transform 0.5s ease;
}

.modal-carousel-slide {
    min-width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.carousel-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s ease;
    z-index: 5;
}

.carousel-nav-btn:hover {
    background-color: rgba(30, 41, 59, 0.95);
}

.carousel-prev-btn {
    left: 1rem;
}

.carousel-next-btn {
    right: 1rem;
}

.carousel-dots {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 5;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.carousel-dot.active {
    background: var(--color-primary);
}

.modal-project-details-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.modal-details-left {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.modal-details-right {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background: var(--surface-color);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    height: fit-content;
}

.modal-details-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}



.modal-meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.modal-meta-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.modal-meta-value {
    font-size: 0.925rem;
    font-weight: 500;
}

/* Lightbox Modal (Certificates) */
.lightbox-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.lightbox-image-container {
    width: 100%;
    max-height: 70vh;
    border-radius: 8px;
    overflow: hidden;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-image-container img {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
}

.lightbox-caption {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    transition: color 0.2s ease, text-decoration 0.2s ease;
}

.lightbox-caption.has-pdf {
    cursor: pointer;
    text-decoration: underline;
}

.lightbox-caption.has-pdf:hover {
    color: var(--color-secondary);
    text-decoration: underline;
}

/* --- Responsive Media Queries --- */

/* Hover effects disabled on touch devices */
@media (hover: hover) {
    .nav-link:hover {
        color: var(--text-color);
    }
}

/* Large Screens */
@media (min-width: 1200px) {
    .hero-title {
        font-size: 4rem;
    }
}

/* Laptops & Desktop */
@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }

    .hero-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-content {
        text-align: center;
        align-items: center;
    }

    .hero-badge {
        align-self: center;
    }

    .hero-desc {
        margin: 0 auto;
    }

    .hero-image-container {
        order: -1;
        margin-bottom: 2rem;
    }

    .hero-image-wrapper {
        width: 280px;
        height: 280px;
    }

    .modal-project-details-grid {
        grid-template-columns: 1fr;
    }

    .modal-details-right {
        order: -1;
    }
}

/* Tablets */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
        z-index: 101;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--modal-bg);
        border-left: 1px solid var(--border-color);
        flex-direction: column;
        justify-content: center;
        gap: 2.5rem;
        transition: right 0.4s ease;
        box-shadow: var(--shadow-lg);
        padding: 2rem;
    }

    .nav-menu.active {
        right: 0;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .section-title {
        font-size: 2rem;
    }

    .modal-body {
        padding: 1.5rem;
    }

    .modal-carousel {
        height: 260px;
    }
}

/* Mobile Small */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.4rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
    }

    .btn {
        width: 100%;
    }

    .contact-socials {
        margin-left: 0 !important;
        margin-top: 1.5rem;
        justify-content: flex-start;
        width: 100%;
    }

    .about-main-grid {
        grid-template-columns: 1fr !important;
        gap: 2rem;
    }

    .about-traits-grid {
        grid-template-columns: 1fr !important;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .contact-form-column {
        padding: 1.5rem;
    }
}



/* Medium Responsive Layouts */
@media (max-width: 991px) {
    .about-main-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .about-traits-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .about-traits-grid {
        grid-template-columns: 1fr !important;
    }

    .skills-grid {
        grid-template-columns: 1fr !important;
    }
}