/* ==========================================================================
   ABHILASH GANJI — PORTFOLIO STYLES
   World-class AI Engineer Portfolio
   ========================================================================== */

/* ======================== CSS CUSTOM PROPERTIES ======================== */
:root {
    /* Colors */
    --bg-primary: #09090b;
    --bg-secondary: #0f0f13;
    --bg-card: #16161a;
    --bg-card-hover: #1c1c21;
    --bg-elevated: #1e1e23;

    --accent-primary: #7c3aed;
    --accent-primary-rgb: 124, 58, 237;
    --accent-hover: #8b5cf6;
    --accent-light: #a78bfa;
    --accent-subtle: rgba(124, 58, 237, 0.1);
    --accent-glow: rgba(124, 58, 237, 0.3);

    --accent-secondary: #06b6d4;
    --accent-secondary-rgb: 6, 182, 212;

    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --text-dim: #52525b;

    --border: #27272a;
    --border-light: #3f3f46;

    --success: #22c55e;
    --warning: #f59e0b;

    /* Typography */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --section-padding: 120px;
    --container-max: 1200px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 24px;
}

/* ======================== RESET & BASE ======================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-primary) var(--bg-primary);
}

::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 3px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-secondary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--accent-primary);
    color: var(--text-primary);
}

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

a {
    color: var(--accent-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover {
    color: var(--accent-hover);
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ======================== CURSOR GLOW ======================== */
.cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    background: radial-gradient(
        circle,
        rgba(var(--accent-primary-rgb), 0.06) 0%,
        transparent 70%
    );
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
    will-change: left, top;
}

@media (max-width: 768px) {
    .cursor-glow { display: none; }
}

/* ======================== LOADER ======================== */
.loader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s, visibility 0.5s;
}
.loader.hidden {
    opacity: 0;
    visibility: hidden;
}
.loader-inner {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}
.loader-text {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 4px;
}
.loader-line {
    width: 60px;
    height: 2px;
    background: var(--accent-primary);
    animation: loaderPulse 1.2s ease-in-out infinite;
}
.loader-line:nth-child(2) { animation-delay: 0.2s; }
.loader-line:nth-child(3) { animation-delay: 0.4s; }

@keyframes loaderPulse {
    0%, 100% { opacity: 0.2; transform: scaleX(0.5); }
    50% { opacity: 1; transform: scaleX(1); }
}

/* ======================== HEADER / NAVIGATION ======================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 24px;
    transition: all var(--transition-base);
}
.header.scrolled {
    background: rgba(9, 9, 11, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(39, 39, 42, 0.5);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: var(--container-max);
    margin: 0 auto;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 1px;
}
.logo-bracket {
    color: var(--accent-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
}
.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--accent-subtle);
}

.nav-resume-btn {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-primary) !important;
    padding: 8px 20px;
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
}
.nav-resume-btn:hover {
    background: var(--accent-primary);
    color: white !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-base);
    border-radius: 2px;
}
.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 868px) {
    .nav-toggle {
        display: flex;
    }
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        background: rgba(9, 9, 11, 0.97);
        backdrop-filter: blur(20px);
        padding: 40px 24px;
        gap: 8px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all var(--transition-base);
    }
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    .nav-link {
        font-size: 1.1rem;
        padding: 12px 20px;
        width: 100%;
    }
}

/* ======================== HERO SECTION ======================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(124, 58, 237, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124, 58, 237, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-gradient {
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(
        circle,
        rgba(var(--accent-primary-rgb), 0.12) 0%,
        rgba(var(--accent-secondary-rgb), 0.05) 40%,
        transparent 70%
    );
    filter: blur(60px);
    animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { opacity: 0.6; transform: translateX(-50%) scale(1); }
    100% { opacity: 1; transform: translateX(-50%) scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: var(--container-max);
    margin: 0 auto;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px 6px 12px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--success);
    margin-bottom: 32px;
}
.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    margin-bottom: 24px;
}
.hero-greeting {
    display: block;
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-bottom: 8px;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.hero-name {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.05;
    letter-spacing: -2px;
}
.name-char {
    display: inline-block;
    animation: nameReveal 0.6s ease forwards;
    animation-delay: calc(var(--i) * 0.05s + 0.5s);
    opacity: 0;
    transform: translateY(20px);
}
.name-space {
    display: inline-block;
    width: 0.3em;
}

@keyframes nameReveal {
    to { opacity: 1; transform: translateY(0); }
}

.hero-role {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}
.role-line {
    width: 40px;
    height: 2px;
    background: var(--accent-primary);
}
.role-text {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--accent-light);
}
.typing-cursor {
    font-weight: 100;
    animation: blink 1s infinite;
    color: var(--accent-primary);
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 640px;
    margin-bottom: 40px;
    line-height: 1.8;
}
.hero-description strong {
    color: var(--text-primary);
    font-weight: 600;
}
.hero-description em {
    color: var(--accent-light);
    font-style: normal;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-bottom: 48px;
    padding: 24px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.stat {
    text-align: center;
}
.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}
.stat-plus {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--accent-primary);
    font-weight: 700;
}
.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 4px;
}
.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

/* ======================== BUTTONS ======================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
    box-shadow: 0 0 20px rgba(var(--accent-primary-rgb), 0.3);
}
.btn-primary:hover {
    background: var(--accent-hover);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(var(--accent-primary-rgb), 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}
.btn-outline:hover {
    border-color: var(--accent-primary);
    color: var(--accent-light);
    background: var(--accent-subtle);
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    padding: 14px 20px;
}
.btn-ghost:hover {
    color: var(--text-primary);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ======================== HERO SOCIALS ======================== */
.hero-socials {
    display: flex;
    gap: 16px;
}
.hero-socials a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    transition: all var(--transition-base);
    font-size: 1.1rem;
}
.hero-socials a:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: var(--accent-subtle);
    transform: translateY(-3px);
}

/* Hero Scroll */
.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-dim);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 3px;
}
.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent-primary), transparent);
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.5); opacity: 0.3; }
}

/* ======================== SECTIONS COMMON ======================== */
.section {
    padding: var(--section-padding) 0;
    position: relative;
}
.section-dark {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}
.section-tag {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-primary);
    display: block;
    margin-bottom: 12px;
    letter-spacing: 1px;
}
.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -1px;
}
.section-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 16px;
}
.section-line {
    width: 50px;
    height: 3px;
    background: var(--accent-primary);
    margin: 0 auto;
    border-radius: 2px;
}

/* ======================== ABOUT SECTION ======================== */
.about-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 64px;
    align-items: start;
}

.image-wrapper {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-elevated) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}
.placeholder-initials {
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 800;
    color: var(--accent-primary);
    opacity: 0.6;
}
.placeholder-text {
    font-size: 0.8rem;
    color: var(--text-dim);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.image-border {
    position: absolute;
    inset: -1px;
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-lg);
    opacity: 0.3;
    transform: translate(12px, 12px);
    z-index: -1;
}

.image-dots {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 80px;
    height: 80px;
    background-image: radial-gradient(circle, var(--accent-primary) 1.5px, transparent 1.5px);
    background-size: 12px 12px;
    opacity: 0.3;
    z-index: -1;
}

.about-achievements {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.achievement {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}
.achievement:hover {
    border-color: var(--accent-primary);
    background: var(--bg-card-hover);
}
.achievement-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-subtle);
    color: var(--accent-primary);
    border-radius: var(--radius-sm);
    font-size: 1.1rem;
}
.achievement strong {
    display: block;
    color: var(--text-primary);
    font-size: 0.9rem;
}
.achievement span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.about-subtitle {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
    line-height: 1.4;
}

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

.about-text p {
    margin-bottom: 16px;
    font-size: 0.95rem;
}
.about-text strong {
    color: var(--text-primary);
}

.about-philosophy {
    margin: 32px 0;
    padding: 24px;
    background: var(--bg-card);
    border-left: 3px solid var(--accent-primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    position: relative;
}
.philosophy-icon {
    position: absolute;
    top: -12px;
    left: 20px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-primary);
    color: white;
    border-radius: 50%;
    font-size: 0.8rem;
}
.about-philosophy blockquote {
    font-style: italic;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
}

.about-journey {
    margin-top: 40px;
}
.about-journey h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.journey-timeline {
    position: relative;
    padding-left: 28px;
}
.journey-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--border);
}

.journey-item {
    position: relative;
    padding-bottom: 28px;
}
.journey-item:last-child {
    padding-bottom: 0;
}
.journey-marker {
    position: absolute;
    left: -33px;
    top: 8px;
    width: 12px;
    height: 12px;
    background: var(--accent-primary);
    border-radius: 50%;
    border: 2px solid var(--bg-primary);
}
.journey-year {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-primary);
    padding: 2px 10px;
    background: var(--accent-subtle);
    border-radius: 100px;
    margin-bottom: 6px;
}
.journey-content strong {
    display: block;
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-bottom: 4px;
}
.journey-content p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

@media (max-width: 868px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .image-wrapper {
        max-width: 300px;
        margin: 0 auto;
    }
}

/* ======================== SKILLS SECTION ======================== */
.skills-primary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.skill-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}
.skill-card:hover {
    border-color: rgba(var(--accent-primary-rgb), 0.4);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.skill-card.skill-featured {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(var(--accent-primary-rgb), 0.05) 100%);
    border-color: rgba(var(--accent-primary-rgb), 0.2);
}

.skill-icon-wrap {
    position: relative;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--accent-primary);
}
.skill-glow {
    position: absolute;
    inset: -10px;
    background: radial-gradient(circle, rgba(var(--accent-primary-rgb), 0.2), transparent 70%);
    border-radius: 50%;
    filter: blur(8px);
}

.skill-card h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}
.skill-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.6;
}

.skill-bar {
    width: 100%;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    margin-bottom: 16px;
    overflow: hidden;
}
.skill-progress {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 2px;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.skill-tags span {
    font-size: 0.7rem;
    color: var(--text-muted);
    padding: 3px 10px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 100px;
}

@media (max-width: 868px) {
    .skills-primary {
        grid-template-columns: 1fr;
    }
}

/* ======================== PROJECTS SECTION ======================== */
.project-filters {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}
.filter-btn {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid var(--border);
    padding: 8px 20px;
    border-radius: 100px;
    cursor: pointer;
    transition: all var(--transition-base);
}
.filter-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-light);
}
.filter-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 32px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}
.project-card:hover {
    border-color: rgba(var(--accent-primary-rgb), 0.3);
    transform: translateY(-6px);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
}
.project-card.hidden {
    display: none;
}

.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}
.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}
.project-card:hover .project-image img {
    transform: scale(1.05);
}
.project-image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-elevated) 0%, rgba(var(--accent-primary-rgb), 0.08) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--accent-primary);
    opacity: 0.4;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}
.project-card:hover .project-overlay {
    opacity: 1;
}
.project-overlay-btn {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-primary);
    color: white;
    border-radius: 50%;
    font-size: 1.2rem;
    transition: transform var(--transition-base);
}
.project-overlay-btn:hover {
    transform: scale(1.1);
    color: white;
}

.project-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 4px 12px;
    background: rgba(var(--accent-primary-rgb), 0.9);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-body {
    padding: 28px;
}
.project-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}
.project-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.7;
}

.project-architecture {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    margin-bottom: 16px;
}
.arch-label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 10px;
}
.arch-label i {
    color: var(--accent-primary);
    margin-right: 4px;
}
.arch-flow {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.arch-flow span {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent-light);
    padding: 4px 10px;
    background: var(--accent-subtle);
    border-radius: var(--radius-sm);
}
.arch-flow i {
    font-size: 0.6rem;
    color: var(--text-dim);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}
.project-tech span {
    font-size: 0.72rem;
    color: var(--text-muted);
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: 100px;
}

.project-links {
    display: flex;
    gap: 16px;
}
.project-links a {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent-light);
    display: flex;
    align-items: center;
    gap: 6px;
}
.project-links a:hover {
    color: var(--accent-primary);
}

.projects-cta {
    text-align: center;
    margin-top: 48px;
}

@media (max-width: 480px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* ======================== RESEARCH SECTION ======================== */
.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.research-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}
.research-card:hover {
    border-color: rgba(var(--accent-primary-rgb), 0.3);
    transform: translateY(-4px);
}

.research-type {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}
.research-type i {
    color: var(--accent-primary);
    font-size: 0.9rem;
}
.research-type span {
    font-size: 0.75rem;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
}

.research-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.3;
}
.research-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    flex: 1;
}
.research-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}
.research-meta span {
    font-size: 0.75rem;
    color: var(--text-dim);
}
.research-meta i {
    margin-right: 4px;
    color: var(--accent-primary);
}
.research-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-light);
    display: flex;
    align-items: center;
    gap: 6px;
}
.research-link:hover {
    gap: 10px;
}

/* ======================== BLOG SECTION ======================== */
.blog-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.blog-grid .blog-featured {
    grid-column: 1 / 2;
    grid-row: 1 / 3;
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}
.blog-card:hover {
    border-color: rgba(var(--accent-primary-rgb), 0.3);
    transform: translateY(-4px);
}

.blog-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}
.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}
.blog-card:hover .blog-image img {
    transform: scale(1.05);
}
.blog-image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-elevated), rgba(var(--accent-primary-rgb), 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--accent-primary);
    opacity: 0.3;
}
.blog-category {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 4px 12px;
    background: var(--accent-primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 100px;
    text-transform: uppercase;
}

.blog-body {
    padding: 24px;
}
.blog-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
}
.blog-meta span {
    font-size: 0.75rem;
    color: var(--text-dim);
}
.blog-meta i {
    margin-right: 4px;
}

.blog-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.3;
}
.blog-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}
.blog-read-more {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-light);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.blog-read-more:hover {
    gap: 10px;
    color: var(--accent-primary);
}

.blog-cta {
    text-align: center;
    margin-top: 40px;
}

@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }
    .blog-grid .blog-featured {
        grid-column: 1;
        grid-row: auto;
    }
}

/* ======================== RESUME SECTION ======================== */
.resume-banner {
    background: linear-gradient(135deg, rgba(var(--accent-primary-rgb), 0.1) 0%, rgba(var(--accent-secondary-rgb), 0.05) 100%);
    border: 1px solid rgba(var(--accent-primary-rgb), 0.2);
    border-radius: var(--radius-xl);
    padding: 48px;
}
.resume-content {
    display: flex;
    align-items: center;
    gap: 32px;
}
.resume-icon {
    font-size: 2.5rem;
    color: var(--accent-primary);
    min-width: 60px;
    text-align: center;
}
.resume-text {
    flex: 1;
}
.resume-text h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}
.resume-text p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

@media (max-width: 600px) {
    .resume-content {
        flex-direction: column;
        text-align: center;
    }
    .resume-banner {
        padding: 32px;
    }
}

/* ======================== NEWSLETTER ======================== */
.newsletter-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 48px;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}
.newsletter-content h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}
.newsletter-content h3 i {
    color: var(--accent-primary);
    margin-right: 8px;
}
.newsletter-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 24px;
}
.newsletter-form {
    display: flex;
    gap: 8px;
}
.newsletter-form input {
    flex: 1;
    padding: 14px 20px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    outline: none;
    transition: border-color var(--transition-fast);
}
.newsletter-form input:focus {
    border-color: var(--accent-primary);
}
.newsletter-form input::placeholder {
    color: var(--text-dim);
}

@media (max-width: 480px) {
    .newsletter-form {
        flex-direction: column;
    }
}

/* ======================== CONTACT SECTION ======================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.contact-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}
.contact-card:hover {
    border-color: rgba(var(--accent-primary-rgb), 0.3);
}
.contact-card-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-subtle);
    color: var(--accent-primary);
    border-radius: var(--radius-sm);
    font-size: 1.2rem;
}
.contact-card h4 {
    color: var(--text-primary);
    font-size: 0.85rem;
    margin-bottom: 2px;
}
.contact-card a,
.contact-card span {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
    letter-spacing: 0.5px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    outline: none;
    transition: border-color var(--transition-fast);
    resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(var(--accent-primary-rgb), 0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-dim);
}
.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2371717a' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}
.form-group select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* ======================== FOOTER ======================== */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
    padding: 64px 0 32px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}
.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 12px;
}
.footer-links h4 {
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
}
.footer-links a {
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 4px 0;
    transition: color var(--transition-fast);
}
.footer-links a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}
.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-dim);
}
.footer-seo {
    font-size: 0.7rem !important;
    color: var(--text-dim) !important;
    opacity: 0.4;
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ======================== ANIMATIONS / REVEAL ======================== */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-up {
    transform: translateY(40px);
}
.reveal-left {
    transform: translateX(-40px);
}
.reveal-right {
    transform: translateX(40px);
}
.reveal-up.revealed,
.reveal-left.revealed,
.reveal-right.revealed {
    opacity: 1;
    transform: translate(0);
}

/* ======================== UTILITY ======================== */
@media (max-width: 480px) {
    :root {
        --section-padding: 80px;
    }
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
    .stat-divider {
        width: 40px;
        height: 1px;
    }
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Print Styles */
@media print {
    .header, .hero-bg, .cursor-glow, .hero-scroll,
    .newsletter-box, .contact-form-wrapper, .footer {
        display: none !important;
    }
    body {
        background: white;
        color: black;
    }
}

/* ======================== PROJECT CARD ADDITIONS ======================== */
.project-company {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.project-impact {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.15);
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-weight: 600;
    color: #4ade80;
    margin-bottom: 16px;
}
.project-impact i {
    color: #22c55e;
    font-size: 0.85rem;
}

/* Blog grid update for more cards — overrides the earlier .blog-grid rule */
.blog-grid .blog-featured {
    grid-column: 1 / 2;
    grid-row: 1 / 3;
}
.blog-grid .blog-featured .blog-image {
    height: 280px;
}