/* ============================================
   PREMIUM DARK PORTFOLIO — ASJAD ASAD
   Design: Glassmorphism · Cyan Glow · Minimal
   ============================================ */

/* ============================================
   DESIGN TOKENS
   ============================================ */

:root {
    --accent:        #00d4ff;
    --accent-2:      #7c3aed;
    --accent-dim:    rgba(0, 212, 255, 0.12);
    --accent-border: rgba(0, 212, 255, 0.22);
    --accent-glow:   0 0 24px rgba(0, 212, 255, 0.35);
    --accent-glow-lg:0 0 60px rgba(0, 212, 255, 0.2);

    --bg-base:     #06060e;
    --bg-surface:  #0b0b18;
    --bg-elevated: #101024;

    --glass-bg:     rgba(255, 255, 255, 0.03);
    --glass-bg-2:   rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.07);
    --glass-blur:   blur(20px);

    --text:       #eeeef8;
    --text-dim:   #8888aa;
    --text-muted: #55556a;
    --font:       'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --section-gap: 7rem;
    --container:   1200px;

    --r-sm:  8px;
    --r-md:  12px;
    --r-lg:  16px;
    --r-xl:  24px;
    --r-pill:100px;

    --t-fast:   0.18s ease;
    --t-normal: 0.3s ease;
    --t-slow:   0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================
   RESET
   ============================================ */

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

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

body {
    font-family: var(--font);
    background-color: var(--bg-base);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    animation: pageFadeIn 0.55s ease both;
}

body.menu-open {
    overflow: hidden;
}

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

/* ============================================
   UTILITY
   ============================================ */

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: var(--section-gap) 0;
}

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

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--accent);
    margin-bottom: 1rem;
}

.section-line {
    width: 48px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
    margin: 0 auto;
    border-radius: 2px;
}

/* ============================================
   SCROLL REVEAL
   ============================================ */

[data-reveal] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.65s var(--t-slow), transform 0.65s var(--t-slow);
}

[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.1rem 0;
    transition: background var(--t-normal), border-color var(--t-normal), box-shadow var(--t-normal);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(6, 6, 14, 0.85);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom-color: var(--glass-border);
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.4);
}

.nav-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo a {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
}

.logo-highlight {
    color: var(--accent);
    text-shadow: var(--accent-glow);
}

.nav-logo a:hover .logo-highlight {
    text-shadow: 0 0 16px rgba(0, 212, 255, 0.7);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-dim);
    letter-spacing: 0.02em;
    padding: 0.4rem 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    box-shadow: var(--accent-glow);
    transition: width var(--t-normal);
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
}

.hamburger .bar {
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--t-normal);
}

.hamburger.active .bar:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active .bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active .bar:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
    background: var(--bg-base);
}

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

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.55;
}

.blob-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.18) 0%, transparent 70%);
    top: -15%;
    left: -10%;
    animation: blobDrift1 18s ease-in-out infinite;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.2) 0%, transparent 70%);
    bottom: -10%;
    right: -5%;
    animation: blobDrift2 22s ease-in-out infinite;
}

.blob-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    top: 40%;
    right: 20%;
    animation: blobDrift1 15s ease-in-out infinite reverse;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 40%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 40%, transparent 100%);
}

@keyframes blobDrift1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%       { transform: translate(40px, -30px) scale(1.05); }
    66%       { transform: translate(-20px, 20px) scale(0.97); }
}

@keyframes blobDrift2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    40%       { transform: translate(-50px, 20px) scale(1.08); }
    70%       { transform: translate(30px, -40px) scale(0.95); }
}

.hero-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.hero-content {
    text-align: center;
    animation: heroEntrance 1s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes pageFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes heroEntrance {
    from { opacity: 0; transform: translateY(40px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero-greeting {
    font-size: 1rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
    opacity: 0.85;
}

.hero-name {
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1.0;
    margin-bottom: 1.25rem;
}

.name-first {
    color: #ffffff;
}

.name-last {
    color: var(--accent-2);
}

.hero-title {
    font-size: clamp(1.25rem, 3vw, 2rem);
    font-weight: 400;
    color: var(--text-dim);
    margin-bottom: 1.5rem;
    min-height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

#typed-text {
    color: var(--text);
    font-weight: 300;
}

.typed-cursor {
    color: var(--accent);
    font-weight: 300;
    animation: cursorBlink 1s step-end infinite;
    text-shadow: var(--accent-glow);
}

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

.hero-tagline {
    font-size: 1.05rem;
    color: var(--text-dim);
    max-width: 580px;
    margin: 0 auto 1.5rem;
    line-height: 1.7;
}

.hero-availability {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.875rem;
    color: var(--text-dim);
    background: rgba(0, 212, 255, 0.06);
    border: 1px solid rgba(0, 212, 255, 0.15);
    padding: 0.5rem 1.1rem;
    border-radius: var(--r-pill);
    margin-bottom: 2.5rem;
}

.availability-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.7);
    animation: pulse 2.5s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50%       { transform: scale(1.3); opacity: 0.7; }
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 2rem;
    border-radius: var(--r-md);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: transform var(--t-normal), box-shadow var(--t-normal), background var(--t-normal);
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: #06060e;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.4), 0 4px 16px rgba(0, 212, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 32px rgba(0, 212, 255, 0.6), 0 8px 24px rgba(0, 212, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 16px rgba(0, 212, 255, 0.15);
    transform: translateY(-3px);
}

.scroll-down {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-down a {
    color: var(--text-muted);
    font-size: 1.1rem;
    display: block;
    animation: scrollBounce 2.5s ease-in-out infinite;
    transition: color var(--t-fast);
}

.scroll-down a:hover {
    color: var(--accent);
}

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

/* ============================================
   STATS BAR
   ============================================ */

.stats-bar {
    background: var(--bg-elevated);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    padding: 3rem 0;
    position: relative;
    overflow: hidden;
}

.stats-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.5;
}

.stats-grid {
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-item {
    flex: 1;
    max-width: 280px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
}

.stat-number-row {
    display: flex;
    align-items: baseline;
    gap: 0.15rem;
    justify-content: center;
}

.stat-number {
    font-size: clamp(3rem, 7vw, 5rem);
    font-weight: 900;
    letter-spacing: -0.05em;
    line-height: 1;
    color: #ffffff;
}

.stat-suffix {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1;
    color: var(--accent);
    text-shadow: var(--accent-glow);
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.stat-divider {
    width: 1px;
    height: 60px;
    background: linear-gradient(180deg, transparent, var(--glass-border), transparent);
    flex-shrink: 0;
    margin: 0 3rem;
}

/* ============================================
   SERVICES SECTION
   ============================================ */

.services {
    background: var(--bg-surface);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.service-card {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-xl);
    padding: 2.25rem 2rem;
    overflow: hidden;
    transition: border-color var(--t-normal), transform var(--t-normal), box-shadow var(--t-normal);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.service-card:hover {
    border-color: var(--accent-border);
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(0, 212, 255, 0.06);
}

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

.service-icon-wrap {
    width: 52px;
    height: 52px;
    border-radius: var(--r-md);
    background: var(--accent-dim);
    border: 1px solid var(--accent-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.3rem;
    flex-shrink: 0;
    transition: box-shadow var(--t-normal), background var(--t-normal);
}

.service-card:hover .service-icon-wrap {
    background: rgba(0, 212, 255, 0.18);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.service-title {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
}

.service-desc {
    font-size: 0.875rem;
    color: var(--text-dim);
    line-height: 1.8;
    flex: 1;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--glass-border);
    margin-top: auto;
}

.service-tags span {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.07);
    padding: 0.25rem 0.65rem;
    border-radius: var(--r-pill);
    transition: color var(--t-fast), border-color var(--t-fast);
}

.service-card:hover .service-tags span {
    color: var(--accent);
    border-color: rgba(0, 212, 255, 0.2);
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about {
    background: var(--bg-surface);
}

.about-content {
    max-width: 860px;
    margin: 0 auto;
}

.about-text {
    text-align: center;
    margin-bottom: 3rem;
}

.about-paragraph {
    font-size: 1.05rem;
    color: var(--text-dim);
    margin-bottom: 1.25rem;
    line-height: 1.85;
}

.about-paragraph strong {
    color: var(--text);
    font-weight: 600;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    padding: 1.1rem 1.25rem;
    border-radius: var(--r-md);
    font-size: 0.9rem;
    color: var(--text-dim);
    transition: border-color var(--t-normal), transform var(--t-normal), box-shadow var(--t-normal);
}

.highlight-item:hover {
    border-color: var(--accent-border);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    color: var(--text);
}

.highlight-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--accent-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 0.75rem;
    flex-shrink: 0;
}

/* ============================================
   SKILLS SECTION
   ============================================ */

.skills {
    background: var(--bg-base);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.skill-category {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: var(--r-lg);
    transition: border-color var(--t-normal), transform var(--t-normal), box-shadow var(--t-normal);
}

.skill-category:hover {
    border-color: var(--accent-border);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35), var(--accent-glow-lg);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.category-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--r-sm);
    background: var(--accent-dim);
    border: 1px solid var(--accent-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1rem;
    flex-shrink: 0;
}

.category-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.skill-badge {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-dim);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.35rem 0.85rem;
    border-radius: var(--r-pill);
    transition: color var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
    cursor: default;
}

.skill-badge:hover {
    color: var(--accent);
    border-color: var(--accent-border);
    background: var(--accent-dim);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.15);
}

/* ============================================
   PROJECTS SECTION
   ============================================ */

.projects {
    background: var(--bg-surface);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.5rem;
}

.project-card {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-xl);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: border-color var(--t-normal), transform var(--t-normal), box-shadow var(--t-normal);
}

.card-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
    top: -60px;
    right: -40px;
    pointer-events: none;
    transition: opacity var(--t-normal);
    opacity: 0;
}

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

.project-card:hover {
    border-color: var(--accent-border);
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45), 0 0 40px rgba(0, 212, 255, 0.07);
}

.project-featured {
    background: rgba(0, 212, 255, 0.03);
    border-color: transparent;
}

.project-featured::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: calc(var(--r-xl) + 1px);
    background: linear-gradient(135deg, rgba(0,212,255,0.6) 0%, rgba(124,58,237,0.4) 50%, rgba(0,212,255,0.6) 100%);
    background-size: 200% 200%;
    animation: borderFlow 4s linear infinite;
    z-index: -1;
}

.project-featured::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--r-xl);
    background: var(--bg-surface);
    z-index: -1;
}

@keyframes borderFlow {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.project-badge-container {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
}

.featured-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-dim);
    border: 1px solid var(--accent-border);
    padding: 0.3rem 0.75rem;
    border-radius: var(--r-pill);
}

.project-type-badge {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-dim);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    padding: 0.3rem 0.75rem;
    border-radius: var(--r-pill);
}

.project-icon {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    line-height: 1;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.35rem;
    color: var(--text);
}

.project-subtitle {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 1rem;
    opacity: 0.85;
}

.project-description {
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.75;
    margin-bottom: 1.25rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-dim);
    border: 1px solid rgba(0, 212, 255, 0.15);
    padding: 0.3rem 0.7rem;
    border-radius: var(--r-pill);
}

.project-features {
    margin-bottom: 1.5rem;
    flex: 1;
}

.project-features h4 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.project-features ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.project-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.875rem;
    color: var(--text-dim);
    line-height: 1.5;
}

.project-features li i {
    color: var(--accent);
    font-size: 0.7rem;
    margin-top: 0.3rem;
    flex-shrink: 0;
}

.project-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--glass-border);
}

.project-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    border-radius: var(--r-md);
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    transition: transform var(--t-fast), box-shadow var(--t-normal), background var(--t-fast), border-color var(--t-fast);
}

.btn-demo {
    background: var(--accent);
    color: var(--bg-base);
    box-shadow: 0 0 16px rgba(0, 212, 255, 0.35);
}

.btn-demo:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 28px rgba(0, 212, 255, 0.55);
}

.btn-github {
    background: transparent;
    color: var(--text-dim);
    border: 1px solid var(--glass-border);
}

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

.private-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact {
    background: var(--bg-base);
}

.contact-subtitle {
    text-align: center;
    font-size: 1.05rem;
    color: var(--text-dim);
    margin-bottom: 3rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    max-width: 860px;
    margin: 0 auto 2.5rem;
}

.contact-card {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-xl);
    padding: 2.25rem 2rem;
    text-align: center;
    overflow: hidden;
    transition: border-color var(--t-normal), transform var(--t-normal), box-shadow var(--t-normal);
    display: block;
}

.contact-card:hover {
    border-color: var(--accent-border);
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4), 0 0 32px rgba(0, 212, 255, 0.07);
}

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

.contact-icon {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 1rem;
    display: block;
    transition: text-shadow var(--t-normal);
}

.contact-card:hover .contact-icon {
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.6);
}

.contact-card h3 {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 0.4rem;
    transition: color var(--t-fast);
}

.contact-card:hover h3 {
    color: var(--accent);
}

.contact-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: color var(--t-fast);
}

.contact-card:hover p {
    color: var(--text-dim);
}

.contact-availability {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.avail-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-dim);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1.1rem;
    border-radius: var(--r-pill);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--bg-surface);
    padding: 2rem 0;
    border-top: 1px solid var(--glass-border);
}

.footer-text {
    text-align: center;
    font-size: 0.825rem;
    color: var(--text-muted);
}

/* ============================================
   BACK TO TOP
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--bg-base);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--t-normal), visibility var(--t-normal), transform var(--t-fast), box-shadow var(--t-normal);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 32px rgba(0, 212, 255, 0.65);
}

/* ============================================
   NAV OVERLAY
   ============================================ */

.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    z-index: 997;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--t-normal), visibility var(--t-normal);
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   RESPONSIVE — TABLET (≤ 768px)
   ============================================ */

@media screen and (max-width: 768px) {
    :root { --section-gap: 5rem; }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 260px;
        height: 100vh;
        background: rgba(6, 6, 14, 0.97);
        backdrop-filter: var(--glass-blur);
        -webkit-backdrop-filter: var(--glass-blur);
        border-left: 1px solid var(--glass-border);
        flex-direction: column;
        justify-content: center;
        gap: 0;
        padding: 2rem;
        transition: right var(--t-slow);
        z-index: 999;
    }

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

    .nav-item {
        padding: 0.9rem 0;
        border-bottom: 1px solid var(--glass-border);
    }

    .nav-item:last-child { border-bottom: none; }
    .nav-link { font-size: 1rem; }
    .nav-link.active { color: var(--accent); }

    .hamburger {
        display: flex;
        z-index: 1001;
    }

    .services-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .skills-grid   { grid-template-columns: 1fr; }
    .about-highlights { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; max-width: 360px; }
    .stat-divider { margin: 0 1.5rem; }

    .hero-buttons { flex-direction: column; align-items: center; }
    .hero-buttons .btn { width: 100%; max-width: 280px; justify-content: center; }
}

/* ============================================
   RESPONSIVE — MOBILE (≤ 480px)
   ============================================ */

@media screen and (max-width: 480px) {
    :root { --section-gap: 4rem; }
    .container { padding: 0 1.25rem; }
    .about-highlights { grid-template-columns: 1fr; }
    .blob { opacity: 0.35; }
    .project-card { padding: 1.5rem; }
    .skill-category { padding: 1.5rem; }
    .service-card { padding: 1.5rem; }
    .back-to-top { bottom: 1.25rem; right: 1.25rem; width: 40px; height: 40px; }
    .stat-divider { margin: 0 1rem; }
}

/* ============================================
   RESPONSIVE — VERY SMALL (≤ 380px)
   ============================================ */

@media screen and (max-width: 380px) {
    .hero-name  { font-size: 2.25rem; }
    .hero-title { font-size: 1.1rem; }
    .hero-tagline { font-size: 0.9rem; }
    .stats-grid { flex-direction: column; gap: 2rem; }
    .stat-divider { width: 60px; height: 1px; margin: 0; background: linear-gradient(90deg, transparent, var(--glass-border), transparent); }
}

/* ============================================
   RESPONSIVE — LARGE (≥ 1400px)
   ============================================ */

@media screen and (min-width: 1400px) {
    :root { --container: 1400px; }
}

/* ============================================
   REDUCED MOTION
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    [data-reveal] { opacity: 1; transform: none; }
    .typed-cursor { animation: none; opacity: 1; }
    .blob { animation: none; }
    .availability-dot { animation: none; }
    .scroll-down a { animation: none; }
    body { animation: none; }
}