/* ===== CSS Custom Properties ===== */
:root {
    --bg-primary: #050508;
    --bg-secondary: #0a0a10;
    --bg-card: rgba(15, 15, 25, 0.6);
    --bg-card-hover: rgba(20, 20, 35, 0.8);
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(99, 102, 241, 0.4);
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b8;
    --text-muted: #6b6b80;
    --accent: #6366f1;
    --accent-light: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.15);
    --accent-secondary: #06b6d4;
    --gradient-accent: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 48px rgba(0, 0, 0, 0.4);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

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

/* ===== Animated Background ===== */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
    pointer-events: none;
}

.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
    z-index: 0;
    pointer-events: none;
    animation: float 20s ease-in-out infinite;
}

.bg-glow-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    top: -200px;
    right: -200px;
}

.bg-glow-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
    bottom: 20%;
    left: -150px;
    animation-delay: -7s;
}

.bg-glow-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
    top: 50%;
    right: 10%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ===== Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* ===== Header ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(5, 5, 8, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

header.scrolled {
    padding: 12px 0;
    border-bottom-color: var(--border);
    background: rgba(5, 5, 8, 0.85);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo, .footer-logo {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    transition: var(--transition);
}

.logo-bracket {
    color: var(--accent);
    font-weight: 400;
}

.logo:hover { color: var(--accent-light); }

.nav-menu {
    display: flex;
    gap: 8px;
}

.nav-link {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-xs);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}

.nav-link.active {
    color: var(--accent-light);
    background: var(--accent-glow);
}

/* Hamburger */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 32px;
    height: 32px;
    position: relative;
    z-index: 1001;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
}

.hamburger::before { top: 8px; }
.hamburger::after { top: 20px; }

.menu-toggle.active .hamburger { background: transparent; }
.menu-toggle.active .hamburger::before { top: 14px; transform: rotate(45deg); }
.menu-toggle.active .hamburger::after { top: 14px; transform: rotate(-45deg); }

/* ===== Scroll Animations ===== */
.animate-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    transition-delay: var(--delay, 0s);
}

.animate-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% 40%, rgba(99, 102, 241, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 70% 60%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
    z-index: 0;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    background: rgba(99, 102, 241, 0.4);
    border-radius: 50%;
    animation: particleFloat 8s ease-in-out infinite;
}

@keyframes particleFloat {
    0%, 100% { transform: translate(0, 0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    50% { transform: translate(var(--drift-x, 30px), -80px); }
    100% { transform: translate(var(--drift-x, 30px), -160px); opacity: 0; }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 50px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: var(--accent-light);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 32px;
    letter-spacing: 0.5px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-greeting {
    display: block;
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 8px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero-name {
    display: block;
    font-size: clamp(2.5rem, 6vw, 4.2rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    background: linear-gradient(135deg, #fff 0%, #c7c7d4 50%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    padding-bottom: 8px;
}

.hero-role {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 20px 0 24px;
    flex-wrap: wrap;
}

.hero-role-text {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    color: var(--accent-light);
    font-weight: 500;
}

.hero-role-divider {
    color: var(--text-muted);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 36px;
    line-height: 1.8;
}

.hero-description strong {
    color: var(--text-primary);
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-sans);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.45);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    border-color: var(--accent);
    background: var(--accent-glow);
    transform: translateY(-2px);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.05rem;
}

/* Tech stack */
.hero-tech-stack {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.tech-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
}

.tech-icons {
    display: flex;
    gap: 8px;
}

.tech-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-secondary);
    transition: var(--transition);
    letter-spacing: -0.5px;
}

.tech-icon:hover {
    border-color: var(--accent);
    color: var(--accent-light);
    background: var(--accent-glow);
    transform: translateY(-2px);
}

/* Hero scroll indicator */
.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 1;
}

.hero-scroll span {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 3px;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; height: 40px; }
    50% { opacity: 0.3; height: 20px; }
}

/* ===== Section Common ===== */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-light);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 16px;
    padding: 6px 16px;
    background: var(--accent-glow);
    border-radius: 50px;
    border: 1px solid rgba(99, 102, 241, 0.15);
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===== Skills Section ===== */
.skills-section {
    padding: 100px 0;
    position: relative;
}

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

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 20px;
}

.skill-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
    overflow: hidden;
}

.skill-card-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-accent);
    opacity: 0;
    transition: var(--transition);
}

.skill-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(99, 102, 241, 0.05);
}

.skill-card:hover .skill-card-glow {
    opacity: 1;
}

.skill-icon-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--accent-glow);
    color: var(--accent-light);
    margin-bottom: 20px;
}

.skill-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 5px 14px;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.skill-card:hover .skill-tag {
    border-color: rgba(99, 102, 241, 0.2);
    color: var(--accent-light);
    background: rgba(99, 102, 241, 0.06);
}

/* ===== Projects Section ===== */
.projects-section {
    padding: 100px 0;
    position: relative;
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(99, 102, 241, 0.05);
}

.project-image {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    position: relative;
    overflow: hidden;
}

.project-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(to top, rgba(5, 5, 8, 0.8), transparent);
}

.project-image-icon {
    z-index: 1;
    opacity: 0.9;
    transition: var(--transition);
}

.project-card:hover .project-image-icon {
    transform: scale(1.1);
    opacity: 1;
}

.project-year {
    position: absolute;
    top: 12px;
    right: 12px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    padding: 4px 12px;
    border-radius: 50px;
    z-index: 1;
}

.project-status-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    font-size: 0.7rem;
    font-weight: 700;
    color: #22c55e;
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    padding: 3px 10px;
    border-radius: 50px;
    z-index: 1;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.project-content {
    padding: 24px;
}

.project-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.project-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}

.tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-light);
    padding: 4px 12px;
    border-radius: 50px;
    background: var(--accent-glow);
    border: 1px solid rgba(99, 102, 241, 0.15);
    letter-spacing: 0.3px;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-primary);
    font-size: 0.88rem;
    font-weight: 600;
    transition: var(--transition);
}

.project-link svg {
    transition: var(--transition);
}

.project-link:hover {
    color: var(--accent-light);
}

.project-link:hover svg {
    transform: translate(2px, -2px);
}

.project-link-disabled {
    color: var(--text-muted);
    cursor: default;
}

.projects-note {
    margin-top: 48px;
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 32px;
}

.note-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-xs);
    background: rgba(234, 179, 8, 0.1);
    color: #eab308;
}

.projects-note p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
}

.projects-note strong {
    color: var(--text-primary);
}

/* ===== Services Section ===== */
.services-section {
    padding: 100px 0;
    position: relative;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.service-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.05);
}

.service-card-featured {
    border-color: rgba(99, 102, 241, 0.3);
    background: rgba(99, 102, 241, 0.04);
}

.service-popular {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    color: white;
    background: var(--gradient-accent);
    padding: 4px 20px;
    border-radius: 0 0 var(--radius-xs) var(--radius-xs);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    background: var(--accent-glow);
    color: var(--accent-light);
    margin: 0 auto 20px;
}

.service-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.service-description {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.5;
}

.service-features {
    text-align: left;
    margin-bottom: 24px;
    flex-grow: 1;
}

.service-features li {
    color: var(--text-secondary);
    font-size: 0.88rem;
    padding: 6px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
}

.service-price {
    border-top: 1px solid var(--border);
    padding-top: 20px;
    margin-top: auto;
}

.price {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.period {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 4px;
    display: block;
}

.pricing-note {
    margin-top: 48px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 32px;
}

.note-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

.note-content p + p {
    margin-top: 12px;
}

.note-content strong {
    color: var(--text-primary);
}

/* ===== About Section ===== */
.about-section {
    padding: 100px 0;
    position: relative;
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 60px;
    align-items: start;
}

.about-content .section-label {
    display: inline-block;
    margin-bottom: 16px;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.about-content p {
    color: var(--text-secondary);
    font-size: 0.98rem;
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-approach {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px 24px;
    border-left: 3px solid var(--accent);
}

.about-approach strong {
    color: var(--accent-light);
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 28px;
}

.highlight {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px;
    transition: var(--transition);
}

.highlight:hover {
    border-color: var(--border-hover);
}

.highlight-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-xs);
    background: var(--accent-glow);
    color: var(--accent-light);
}

.highlight strong {
    display: block;
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.highlight p {
    color: var(--text-muted) !important;
    font-size: 0.88rem !important;
    margin-bottom: 0 !important;
    line-height: 1.5 !important;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.stat-label {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-top: 6px;
    font-weight: 500;
}

.stat-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    opacity: 0;
    transition: var(--transition);
}

.stat:hover .stat-bar {
    opacity: 1;
}

/* ===== Contact Section ===== */
.contact-section {
    padding: 100px 0;
    position: relative;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 48px;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    transition: var(--transition);
    cursor: pointer;
}

.contact-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.05);
}

.contact-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent-glow);
    color: var(--accent-light);
    margin-bottom: 16px;
    transition: var(--transition);
}

.contact-card:hover .contact-card-icon {
    background: var(--accent);
    color: white;
    transform: scale(1.1);
}

.contact-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.contact-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.4;
}

.contact-action {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--accent-light);
    transition: var(--transition);
}

.contact-card:hover .contact-action {
    color: white;
}

.cta-section {
    text-align: center;
}

/* ===== Footer ===== */
footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
    background: rgba(5, 5, 8, 0.8);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 20px;
}

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

.footer-logo {
    font-size: 1.2rem;
}

.footer-nav {
    display: flex;
    gap: 24px;
}

.footer-nav a {
    color: var(--text-muted);
    font-size: 0.88rem;
    font-weight: 500;
    transition: var(--transition);
}

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

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(5, 5, 8, 0.95);
        backdrop-filter: blur(20px);
        padding: 16px;
        gap: 4px;
        border-bottom: 1px solid var(--border);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-link {
        padding: 12px 16px;
    }

    .hero {
        min-height: auto;
        padding: 140px 0 80px;
    }

    .hero-name {
        font-size: 2.2rem;
    }

    .hero-greeting {
        font-size: 1rem;
    }

    .hero-role {
        flex-direction: column;
        gap: 4px;
    }

    .hero-role-divider {
        display: none;
    }

    .hero-scroll {
        display: none;
    }

    .hero-tech-stack {
        flex-direction: column;
        gap: 12px;
    }

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

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

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

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

    .about-stats {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .stat {
        flex: 1;
        min-width: 140px;
    }

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-brand {
        flex-direction: column;
        gap: 8px;
    }

    .footer-nav {
        justify-content: center;
        flex-wrap: wrap;
    }

    .bg-glow-1, .bg-glow-2, .bg-glow-3 {
        opacity: 0.2;
    }

    .projects-note {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-name {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

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

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .stat-number {
        font-size: 2rem;
    }
}

/* ===== Smooth page load ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-content {
    animation: fadeInUp 1s ease-out 0.2s both;
}