/* ========================================
   RAVI KUMAR - CLEAN PROFESSIONAL PORTFOLIO
   Professional Video Editor Portfolio
   ======================================== */

/* ========================================
   VARIABLES & RESET
   ======================================== */
:root {
    --bg-primary: #0A0A0A;
    --bg-secondary: #0F0F0F;
    --bg-card: rgba(22, 22, 22, 0.65);
    --bg-hover: rgba(32, 32, 32, 0.8);
    --border: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.15);
    
    --accent: #FF7A00;
    --accent-hover: #FF9933;
    --accent-glow: rgba(255, 122, 0, 0.15);
    
    --text-primary: #FFFFFF;
    --text-secondary: #B8B8B8;
    --text-muted: #7A7A7A;
    
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 16px 50px rgba(0, 0, 0, 0.7);
    
    --radius-sm: 0px;
    --radius-md: 0px;
    --radius-lg: 0px;
    --radius-full: 50px;
}

/* Glassmorphism & Heading Rules */
.project-card, .service-card, .testimonial-card, .software-card, .timeline-card, .edu-card, .project-meta-card {
    backdrop-filter: blur(16px) saturate(120%);
    -webkit-backdrop-filter: blur(16px) saturate(120%);
}

.hero-title, .about-hero-title, .section-title, .about-cta-title, .footer-title {
    color: var(--heading-color, #ffffff);
    background: none;
    -webkit-text-fill-color: initial;
    background-clip: initial;
}

.hero-title .highlight, .about-hero-title span, .section-title span, .nav-logo span, .section-label {
    color: var(--accent);
    background: none;
    -webkit-text-fill-color: initial;
    background-clip: initial;
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

@media (max-width: 768px) {
    .section-header {
        margin-bottom: 48px;
    }
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
    line-height: 1.25;
}

h1.section-title {
    font-size: clamp(2rem, 5vw, 2.75rem);
}

@media (max-width: 768px) {
    .section-title {
        letter-spacing: -0.3px;
    }
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 24px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    text-decoration: none;
    white-space: nowrap;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.85rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 122, 0, 0.45);
}

.btn-primary:active {
    transform: translateY(-1px);
}

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

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(255, 122, 0, 0.08);
    transform: translateY(-2px);
}

.btn-outline:active {
    transform: translateY(0);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
    background: transparent;
}

.navbar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(15, 15, 15, 0.8), transparent);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.navbar.scrolled {
    background: rgba(15, 15, 15, 0.98);
    backdrop-filter: blur(12px) saturate(180%);
    padding: 12px 0;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

.navbar.scrolled::before {
    opacity: 0;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -1px;
}

.nav-logo span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 6px 0;
    transition: color 0.2s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: all 0.25s ease;
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 24px;
}

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

.nav-links a.active {
    color: var(--accent);
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
}

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

@media (max-width: 1024px) {
    .hero {
        padding-top: 100px;
        min-height: auto;
        padding-bottom: 60px;
    }
}

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

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        var(--bg-primary) 0%,
        transparent 30%,
        transparent 70%,
        var(--bg-primary) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 122, 0, 0.1);
    border: 1px solid rgba(255, 122, 0, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 24px;
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 24px;
}

.hero-title .highlight {
    color: var(--accent);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 500px;
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

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

.hero-image img {
    max-height: 520px;
    width: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.hero-image img:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Image loading states */
img {
    background: var(--bg-card);
    transition: opacity 0.3s ease;
}

img[loading="lazy"] {
    opacity: 0;
}

img[loading="lazy"].loaded,
img:not([loading="lazy"]) {
    opacity: 1;
}

/* Skeleton loading */
.skeleton {
    background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-hover) 50%, var(--bg-card) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ========================================
   FEATURED PROJECTS
   ======================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.project-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
}

.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-md);
    padding: 1px;
    background: linear-gradient(135deg, rgba(255, 122, 0, 0.3), transparent 50%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.35s ease;
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 122, 0, 0.3);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.project-card:hover::before {
    opacity: 1;
}

.project-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 50%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: var(--transition-normal);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    width: 64px;
    height: 64px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-size: 1.25rem;
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 8px 30px rgba(255, 122, 0, 0.4);
}

.project-play i {
    margin-left: 4px;
}

.project-card:hover .project-play {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.project-info {
    padding: 20px;
}

.project-category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    margin-bottom: 8px;
}

.project-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.project-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ========================================
   SERVICES
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 32px;
    text-align: center;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    transform: scaleX(0);
    transition: transform 0.35s ease;
}

.service-card:hover {
    background: var(--bg-hover);
    border-color: rgba(255, 122, 0, 0.3);
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: rgba(255, 122, 0, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--accent);
    margin: 0 auto 20px;
    transition: var(--transition-normal);
}

.service-card:hover .service-icon {
    background: var(--accent);
    color: #000;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.service-price {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

/* ========================================
   TESTIMONIALS
   ======================================== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: var(--transition-normal);
}

.testimonial-card:hover {
    border-color: var(--border-light);
    transform: translateY(-4px);
}

.testimonial-rating {
    color: var(--accent);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent);
}

.testimonial-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.testimonial-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
    padding: 100px 0;
    text-align: center;
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* ========================================
   ABOUT PAGE — Premium Redesign
   ======================================== */

/* ── Hero ── */
.about-hero {
    padding: 160px 0 80px;
    position: relative;
    overflow: hidden;
}

.about-hero::before {
    content: '';
    position: absolute;
    top: -200px; right: -200px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.about-hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.about-hero-title {
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.about-hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 520px;
    margin-bottom: 32px;
}

.about-hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--border-light);
    color: var(--text-primary);
    padding: 14px 28px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

/* ── Hero Image ── */
.about-hero-image {
    display: flex;
    justify-content: center;
}

.about-image-frame {
    position: relative;
    width: 100%;
    max-width: 420px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about-image-frame img {
    width: 100%;
    display: block;
    border-radius: var(--radius-lg);
    position: relative;
    z-index: 1;
    transition: transform 0.6s ease;
}

.about-image-frame:hover img {
    transform: scale(1.03);
}

.about-image-glow {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 60px;
    background: var(--accent);
    filter: blur(50px);
    opacity: 0.3;
    z-index: 0;
}

/* ── Stats Bar ── */
.about-stats-bar {
    padding: 0 0 60px;
}

.stats-strip {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 40px 48px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.stats-strip::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.stat-block {
    flex: 1;
    text-align: center;
    padding: 0 24px;
}

.stat-number {
    display: block;
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -1px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 48px;
    background: var(--border);
    flex-shrink: 0;
}

/* ── Story Section ── */
.about-story-section {
    padding: 80px 0;
}

.about-story-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 60px;
    align-items: start;
}

.about-story-heading {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.5px;
}

.about-story-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 20px;
}

.about-story-text:last-child {
    margin-bottom: 0;
}

/* ── Software & Skills ── */
.about-skills-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.software-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 40px;
}

.software-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px 22px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: all var(--transition-normal);
    cursor: default;
}

.software-card i {
    font-size: 1.1rem;
    color: var(--accent);
    transition: transform var(--transition-normal);
}

.software-card:hover {
    border-color: var(--accent);
    background: var(--accent-glow);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.software-card:hover i {
    transform: rotate(15deg) scale(1.2);
}

.core-skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
    margin-top: 32px;
}

.core-skill-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: border-color var(--transition-normal);
}

.core-skill-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.core-skill-icon i {
    font-size: 0.7rem;
    color: var(--accent);
}

.core-skill-item:hover {
    border-color: var(--accent);
}

/* ── Timeline Section ── */
.about-timeline-section {
    padding: 80px 0;
}

.about-timeline-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 60px;
    align-items: start;
}

.about-timeline-right {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.timeline-card {
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--accent);
    transition: all var(--transition-normal);
    position: relative;
}

.timeline-card:hover {
    transform: translateX(6px);
    border-left-color: var(--accent-hover);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.timeline-card-year {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.timeline-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.timeline-card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* ── Education ── */
.about-edu-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.edu-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.edu-card {
    padding: 36px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.edu-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.edu-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}

.edu-card:hover::before {
    opacity: 1;
}

.edu-card-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.edu-card-icon i {
    font-size: 1.3rem;
    color: var(--accent);
}

.edu-card-year {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.edu-card-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.edu-card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* ── CTA ── */
.about-cta-section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.about-cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 60%);
    pointer-events: none;
}

.about-cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 640px;
    margin: 0 auto;
}

.about-cta-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    margin: 16px 0 20px;
    letter-spacing: -0.5px;
}

.about-cta-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 36px;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .about-hero {
        padding: 120px 0 60px;
    }
    
    .about-hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .about-hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .about-hero-actions {
        justify-content: center;
    }
    
    .about-hero-image {
        order: -1;
    }
    
    .about-image-frame {
        max-width: 300px;
    }
    
    .stats-strip {
        flex-direction: column;
        gap: 24px;
        padding: 32px 24px;
    }
    
    .stat-divider {
        width: 60px;
        height: 1px;
    }
    
    .about-story-grid,
    .about-timeline-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .software-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .edu-cards-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   PORTFOLIO PAGE
   ======================================== */
.portfolio-categories {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.category-btn {
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.category-btn:hover,
.category-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #000;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 24px;
}

.load-more {
    text-align: center;
    margin-top: 40px;
}

/* ========================================
   PROJECT DETAIL PAGE
   ======================================== */
.project-detail-hero {
    padding: 120px 0 60px;
}

.project-video-container {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 40px;
}

.project-video {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.project-info-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.project-description h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.project-description p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.project-meta-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
}

.meta-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.meta-item:last-child {
    border-bottom: none;
}

.meta-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.meta-value {
    font-weight: 600;
}

/* Gallery */
.project-gallery {
    margin-top: 60px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.gallery-item {
    aspect-ratio: 16/10;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 122, 0, 0.1);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.gallery-item:hover::after {
    opacity: 1;
}

/* ========================================
   CONTACT PAGE
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-item i {
    width: 48px;
    height: 48px;
    background: rgba(255, 122, 0, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--accent);
}

.contact-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 40px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.25s ease;
}

.form-control:hover {
    border-color: var(--border-light);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--bg-primary);
    box-shadow: 0 0 0 3px rgba(255, 122, 0, 0.1);
}

.form-control:invalid:not(:placeholder-shown) {
    border-color: #dc2626;
}

.form-control:valid:not(:placeholder-shown) {
    border-color: #16a34a;
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23FF7A00' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 44px;
}

.form-control::placeholder {
    color: var(--text-muted);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.social-links a {
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #000;
}

.map-placeholder {
    width: 100%;
    height: 300px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    margin-top: 40px;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--bg-secondary);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.footer-brand .logo span {
    color: var(--accent);
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 300px;
}

.footer-title {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.25s ease;
}

.footer-social a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #000;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ========================================
   FLASH MESSAGES
   ======================================== */
.flash-message {
    position: fixed;
    top: 100px;
    right: 20px;
    background: var(--bg-card);
    border: 1px solid var(--accent);
    border-radius: var(--radius-md);
    padding: 16px 24px;
    color: var(--text-primary);
    z-index: 9999;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.4s ease, fadeOut 0.4s ease 4.6s forwards;
    max-width: 400px;
}

.flash-message.error {
    border-color: #dc2626;
}

.flash-message.error i {
    color: #dc2626;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateX(100px);
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */
.fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in {
    opacity: 0;
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity;
}

.fade-in.visible {
    opacity: 1;
}

.scale-in {
    opacity: 0;
    transform: scale(0.94);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

.slide-left {
    opacity: 0;
    transform: translateX(-32px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
}

.slide-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-right {
    opacity: 0;
    transform: translateX(32px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
}

.slide-right.visible {
    opacity: 1;
    transform: translateX(0);
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
    100% { transform: translateY(0px); }
}

.floating {
    animation: float 4s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 10px rgba(255, 122, 0, 0.15); }
    50% { box-shadow: 0 0 25px rgba(255, 122, 0, 0.4); }
}

.pulse-glow {
    animation: pulse-glow 3s infinite ease-in-out;
}

/* Stagger animations for grids */
.projects-grid .fade-up:nth-child(1) { transition-delay: 0ms; }
.projects-grid .fade-up:nth-child(2) { transition-delay: 50ms; }
.projects-grid .fade-up:nth-child(3) { transition-delay: 100ms; }
.projects-grid .fade-up:nth-child(4) { transition-delay: 150ms; }
.projects-grid .fade-up:nth-child(5) { transition-delay: 200ms; }
.projects-grid .fade-up:nth-child(6) { transition-delay: 250ms; }

.services-grid .fade-up:nth-child(1) { transition-delay: 0ms; }
.services-grid .fade-up:nth-child(2) { transition-delay: 100ms; }
.services-grid .fade-up:nth-child(3) { transition-delay: 200ms; }
.services-grid .fade-up:nth-child(4) { transition-delay: 300ms; }
.services-grid .fade-up:nth-child(5) { transition-delay: 400ms; }
.services-grid .fade-up:nth-child(6) { transition-delay: 500ms; }

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image {
        display: none;
    }
    
    .projects-grid,
    .services-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .project-info-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    
    .container {
        padding: 0 20px;
    }
    
    /* Mobile Navigation */
    .nav-content {
        position: relative;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(15, 15, 15, 0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 20px;
        gap: 4px;
        border-top: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
        max-height: calc(100vh - 80px);
        overflow-y: auto;
    }
    
    .nav-links.active {
        display: flex;
        animation: slideDown 0.3s ease;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .nav-links a {
        padding: 12px 16px;
        border-radius: var(--radius-sm);
        font-size: 1rem;
    }
    
    .nav-links a:hover {
        background: var(--bg-card);
    }
    
    .nav-links a::after {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        transition: all 0.2s ease;
    }
    
    .mobile-toggle:hover {
        background: var(--bg-hover);
        border-color: var(--accent);
        color: var(--accent);
    }
    
    .nav-cta {
        display: none;
    }
    
    /* Grids */
    .projects-grid,
    .services-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 32px;
    }
    
    .footer-brand p {
        margin: 0 auto;
        max-width: 280px;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    /* Hero */
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    /* Forms */
    .contact-grid {
        gap: 40px;
    }
    
    .contact-form {
        padding: 24px;
    }
    
    /* Categories */
    .portfolio-categories {
        gap: 8px;
    }
    
    .category-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
    
    /* Flash messages */
    .flash-message {
        left: 16px;
        right: 16px;
        max-width: none;
        top: 80px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.85rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
}