/* ============================================
   DONALD NANO - FUTURISTIC PORTFOLIO
   ============================================ */

/* === CSS Variables === */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #0d0d15;
    --bg-card: #111122;
    --bg-card-hover: #161633;
    --cyan: #00f0ff;
    --cyan-dim: #00a0aa;
    --cyan-glow: rgba(0, 240, 255, 0.15);
    --cyan-glow-strong: rgba(0, 240, 255, 0.3);
    --blue: #0066ff;
    --blue-light: #3388ff;
    --purple: #8844ff;
    --purple-glow: rgba(136, 68, 255, 0.15);
    --magenta: #ff00aa;
    --text-primary: #e8e8f0;
    --text-secondary: #8888aa;
    --text-dim: #555577;
    --border: rgba(0, 240, 255, 0.1);
    --border-hover: rgba(0, 240, 255, 0.3);
    --gradient-primary: linear-gradient(135deg, var(--cyan), var(--blue));
    --gradient-accent: linear-gradient(135deg, var(--blue), var(--purple));
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --nav-height: 70px;
}

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

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

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

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.7;
    font-size: 17px;
    font-weight: 400;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* === Particle Canvas === */
#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* === Scanline Overlay === */
.scanline-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 240, 255, 0.008) 2px,
        rgba(0, 240, 255, 0.008) 4px
    );
}

/* === Navigation === */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    z-index: 1000;
    transition: var(--transition);
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: 0 4px 30px rgba(0, 240, 255, 0.05);
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-primary);
}

.logo-bracket {
    color: var(--cyan);
}
.logo-slash {
    color: var(--purple);
}

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

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 4px;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
    border-radius: 1px;
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--cyan);
    transition: var(--transition);
}

.nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* === Hero Section === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    overflow: hidden;
    padding: 120px 24px 80px;
}

.hero-grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.5), transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.5), transparent 70%);
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-greeting {
    font-family: var(--font-mono);
    color: var(--cyan);
    font-size: 0.95rem;
    margin-bottom: 16px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.3s;
}

.hero-name {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 900;
    letter-spacing: 4px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.6s;
    position: relative;
}

/* Glitch effect */
.glitch {
    position: relative;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    -webkit-background-clip: text;
    background-clip: text;
}

.glitch::before {
    -webkit-text-fill-color: var(--cyan);
    clip-path: polygon(0 0, 100% 0, 100% 33%, 0 33%);
    animation: glitch-1 4s infinite linear alternate-reverse;
}

.glitch::after {
    -webkit-text-fill-color: var(--magenta);
    clip-path: polygon(0 67%, 100% 67%, 100% 100%, 0 100%);
    animation: glitch-2 4s infinite linear alternate-reverse;
}

@keyframes glitch-1 {
    0%, 90%, 100% { transform: translate(0); }
    92% { transform: translate(-3px, 1px); }
    94% { transform: translate(3px, -1px); }
    96% { transform: translate(-2px, 2px); }
    98% { transform: translate(2px, -2px); }
}

@keyframes glitch-2 {
    0%, 90%, 100% { transform: translate(0); }
    91% { transform: translate(3px, 1px); }
    93% { transform: translate(-3px, -1px); }
    95% { transform: translate(2px, -2px); }
    97% { transform: translate(-2px, 2px); }
}

.hero-title-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.9s;
    min-height: 40px;
}

.hero-title-prefix {
    font-family: var(--font-mono);
    color: var(--purple);
    font-size: 1.2rem;
}

.typing-text {
    font-family: var(--font-mono);
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    color: var(--text-primary);
    letter-spacing: 1px;
}

.cursor {
    font-family: var(--font-mono);
    color: var(--cyan);
    animation: blink 0.8s step-end infinite;
    font-size: 1.3rem;
}

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

.hero-tagline {
    font-family: var(--font-body);
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 1.2s;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 1.5s;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--bg-primary);
    font-weight: 600;
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.2);
}

.btn-primary:hover {
    box-shadow: 0 0 50px rgba(0, 240, 255, 0.4);
    transform: translateY(-2px);
}

.btn-outline {
    border: 1px solid var(--cyan-dim);
    color: var(--cyan);
    background: transparent;
}

.btn-outline:hover {
    background: var(--cyan-glow);
    border-color: var(--cyan);
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.1);
}

.btn-icon {
    font-size: 0.9rem;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 50px;
    justify-content: center;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 1.8s;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--cyan);
    display: block;
    line-height: 1.2;
}

.stat-plus {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--cyan);
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards, float 2s ease-in-out infinite;
    animation-delay: 2.2s, 2.2s;
}

.scroll-indicator span {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-dim);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--cyan-dim);
    border-radius: 12px;
    position: relative;
}

.mouse-wheel {
    width: 3px;
    height: 8px;
    background: var(--cyan);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-anim 1.5s ease-in-out infinite;
}

@keyframes scroll-anim {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

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

/* === Section Styles === */
.section {
    position: relative;
    z-index: 2;
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-dim);
    display: block;
    margin-bottom: 12px;
}

.section-tag-close {
    text-align: center;
    margin-top: 60px;
    color: var(--text-dim);
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-line {
    width: 80px;
    height: 3px;
    background: var(--gradient-primary);
    margin: 16px auto 0;
    border-radius: 2px;
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
}

/* === Card Base === */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 30px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

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

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, var(--cyan-glow) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

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

/* === About Section === */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.about-terminal {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-card);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border);
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-dim);
}

.terminal-body {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 2;
}

.term-keyword { color: var(--purple); }
.term-var { color: var(--cyan); }
.term-key { color: var(--blue-light); }
.term-string { color: #98c379; }

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

.highlight {
    color: var(--cyan);
    font-weight: 500;
}

.about-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 24px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(0, 240, 255, 0.02);
}

.info-item i {
    color: var(--cyan);
    font-size: 0.9rem;
}

/* === Timeline === */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--cyan), var(--purple), transparent);
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-marker {
    position: absolute;
    left: 16px;
    top: 30px;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.timeline-marker-inner {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 2px solid var(--cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan);
    font-size: 0.7rem;
    box-shadow: 0 0 15px var(--cyan-glow);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.card-date {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-dim);
}

.card-date i {
    color: var(--cyan);
    margin-right: 4px;
}

.card-badge {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 4px 12px;
    border-radius: 20px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.badge-active {
    background: rgba(0, 240, 255, 0.1);
    color: var(--cyan);
    border: 1px solid rgba(0, 240, 255, 0.3);
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.card-company {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--cyan-dim);
    font-weight: 500;
    margin-bottom: 16px;
}

.card-company i {
    margin-right: 6px;
    font-size: 0.8rem;
}

.card-list {
    margin-bottom: 16px;
}

.card-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.card-list li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--cyan);
    font-family: var(--font-mono);
    font-weight: 700;
}

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

.tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 4px 10px;
    border-radius: 4px;
    background: rgba(0, 240, 255, 0.06);
    color: var(--cyan);
    border: 1px solid rgba(0, 240, 255, 0.15);
    letter-spacing: 0.5px;
}

/* === Skills Section === */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.skill-category {
    text-align: left;
}

.skill-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: var(--cyan-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 1.4rem;
    color: var(--cyan);
    border: 1px solid rgba(0, 240, 255, 0.2);
}

.skill-category h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.skill-bar-item {
    width: 100%;
}

.skill-bar-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.skill-percent {
    color: var(--cyan);
}

.skill-bar {
    width: 100%;
    height: 6px;
    background: rgba(0, 240, 255, 0.06);
    border-radius: 3px;
    overflow: hidden;
}

.skill-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--gradient-primary);
    border-radius: 3px;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

/* === Education Section === */
.education-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.edu-card {
    text-align: center;
    padding: 30px 20px;
}

.edu-icon {
    font-size: 2rem;
    color: var(--cyan);
    margin-bottom: 16px;
}

.edu-year {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--cyan-dim);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.edu-card h3 {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.4;
}

.edu-institution {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-dim);
}

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

.cert-card {
    text-align: center;
    padding: 35px 20px;
    position: relative;
}

.cert-icon {
    font-size: 2.2rem;
    color: var(--cyan);
    margin-bottom: 16px;
}

.cert-card h3 {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.4;
}

.cert-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-bottom: 16px;
}

.cert-date i {
    color: var(--cyan);
    margin-right: 4px;
}

.cert-badge {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--cyan);
    font-size: 1.2rem;
}

.cert-badge-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid var(--cyan);
    border-radius: 50%;
    opacity: 0.3;
    animation: pulse-ring 2s ease-in-out infinite;
}

@keyframes pulse-ring {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.2); opacity: 0.1; }
}

/* === Languages Section === */
.lang-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.lang-card {
    text-align: center;
    padding: 35px 20px;
}

.lang-flag {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.lang-card h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 6px;
}

.lang-level {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-bottom: 16px;
}

.lang-bar-container {
    width: 100%;
    height: 4px;
    background: rgba(0, 240, 255, 0.06);
    border-radius: 2px;
    overflow: hidden;
}

.lang-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Contact Section === */
.contact-grid {
    max-width: 700px;
    margin: 0 auto;
}

.contact-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-items {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    cursor: pointer;
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--cyan-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--cyan);
    border: 1px solid rgba(0, 240, 255, 0.2);
    flex-shrink: 0;
}

.contact-item h4 {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    letter-spacing: 1px;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.contact-item p {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-secondary);
}

/* === Footer === */
.footer {
    position: relative;
    z-index: 2;
    padding: 40px 0;
    border-top: 1px solid var(--border);
    background: rgba(10, 10, 15, 0.5);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
    font-size: 0.9rem;
}

.footer-social a:hover {
    color: var(--cyan);
    border-color: var(--cyan);
    box-shadow: 0 0 20px var(--cyan-glow);
    transform: translateY(-3px);
}

.footer-text {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-dim);
    letter-spacing: 1px;
}

/* === Animations === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === Responsive === */
@media (max-width: 1024px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

@media (max-width: 768px) {
    .nav {
        padding: 0 20px;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 100px 30px 30px;
        gap: 4px;
        transition: right 0.4s ease;
        border-left: 1px solid var(--border);
    }

    .nav-links.open {
        right: 0;
    }

    .nav-link {
        padding: 12px 16px;
        font-size: 0.85rem;
    }

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

    .hero-stats {
        gap: 30px;
    }

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

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

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

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

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

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

    .timeline::before {
        left: 15px;
    }

    .timeline-item {
        padding-left: 50px;
    }

    .timeline-marker {
        left: 2px;
        top: 30px;
    }

    .timeline-marker-inner {
        width: 26px;
        height: 26px;
        font-size: 0.6rem;
    }

    .section {
        padding: 70px 0;
    }

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

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

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

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