/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
    /* Colors */
    --bg-primary: #0a0e1a;
    --bg-secondary: #0f1629;
    --bg-tertiary: #141b2d;
    --bg-card: rgba(20, 27, 45, 0.6);

    --text-primary: #e4e8f7;
    --text-secondary: #8892b0;
    --text-muted: #5a6480;

    --accent-blue: #00d4ff;
    --accent-purple: #7b2ff7;
    --accent-pink: #f72f8e;
    --accent-gradient: linear-gradient(135deg, #00d4ff, #7b2ff7);
    --accent-gradient-hover: linear-gradient(135deg, #7b2ff7, #00d4ff);

    --glass-bg: rgba(20, 27, 45, 0.5);
    --glass-border: rgba(255, 255, 255, 0.06);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Fira Code', 'Consolas', monospace;

    /* Spacing */
    --section-padding: 120px 0;
    --container-width: 1200px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-blue) var(--bg-secondary);
}

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

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

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

a:hover {
    color: var(--accent-purple);
}

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

strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* ============================================
   CURSOR GLOW
   ============================================ */
.cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.07;
    background: radial-gradient(circle, var(--accent-blue), transparent 70%);
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
}

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

.section {
    padding: var(--section-padding);
    position: relative;
}

/* ============================================
   GLASS CARD
   ============================================ */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium), border-color var(--transition-medium);
}

.glass-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 212, 255, 0.15);
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.08), var(--glass-shadow);
}

/* ============================================
   SECTION TITLES
   ============================================ */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.title-number {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--accent-blue);
    margin-right: 10px;
    font-weight: 500;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 56px;
    max-width: 600px;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 10px;
    font-family: var(--font-main);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-medium);
    text-decoration: none;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-icon {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.35);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--accent-blue);
    border: 1.5px solid var(--accent-blue);
}

.btn-outline:hover {
    background: rgba(0, 212, 255, 0.08);
    transform: translateY(-2px);
    color: var(--accent-blue);
}

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

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all var(--transition-medium);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 14px 40px;
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -1px;
}

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

.logo-bracket {
    color: var(--accent-blue);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    transition: all var(--transition-fast);
    text-decoration: none;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-blue);
    background: rgba(0, 212, 255, 0.06);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-medium);
    border-radius: 2px;
}

.nav-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active .hamburger-line: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: 0 24px;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 75%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--accent-blue);
    border-radius: 50%;
    opacity: 0;
    animation: particleFloat linear infinite;
}

@keyframes particleFloat {
    0% {
        opacity: 0;
        transform: translateY(100vh) scale(0);
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        opacity: 0;
        transform: translateY(-20vh) scale(1);
    }
}

.hero-content {
    text-align: center;
    max-width: 850px;
    z-index: 1;
}

.hero-greeting {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--accent-blue);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.greeting-line {
    width: 40px;
    height: 1px;
    background: var(--accent-blue);
}

.hero-name {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -2px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.name-accent {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-typing-wrapper {
    font-family: var(--font-mono);
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 28px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.typing-prefix {
    color: var(--accent-purple);
    font-weight: 600;
}

.typing-text {
    color: var(--accent-blue);
    font-weight: 500;
}

.typing-cursor {
    color: var(--accent-blue);
    animation: blink 0.8s step-end infinite;
    font-weight: 300;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

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

.hero-socials {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.social-link {
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    color: var(--text-secondary);
    transition: all var(--transition-medium);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.social-link:hover {
    color: var(--accent-blue);
    border-color: var(--accent-blue);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.15);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

.scroll-mouse {
    width: 22px;
    height: 34px;
    border-radius: 12px;
    border: 2px solid var(--text-muted);
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.scroll-wheel {
    width: 3px;
    height: 8px;
    background: var(--accent-blue);
    border-radius: 2px;
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0%, 100% {
        opacity: 1;
        transform: translateY(0);
    }
    50% {
        opacity: 0.3;
        transform: translateY(6px);
    }
}

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

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.stat-card {
    padding: 28px 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    display: inline;
}

.stat-suffix {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-blue);
    display: inline;
    margin-top: -2rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

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

.expertise-card {
    padding: 40px 32px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

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

.expertise-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: rgba(0, 212, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    transition: all var(--transition-medium);
}

.expertise-card:hover .expertise-icon-wrapper {
    background: rgba(0, 212, 255, 0.15);
    transform: scale(1.08);
}

.expertise-icon {
    width: 28px;
    height: 28px;
    color: var(--accent-blue);
}

.expertise-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

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

.skill-tag {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    padding: 6px 14px;
    border-radius: 6px;
    background: rgba(0, 212, 255, 0.06);
    color: var(--accent-blue);
    border: 1px solid rgba(0, 212, 255, 0.12);
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    background: rgba(0, 212, 255, 0.12);
    border-color: rgba(0, 212, 255, 0.25);
}

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

.project-card {
    padding: 36px 32px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.project-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-medium);
}

.project-card:hover::after {
    transform: scaleX(1);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
}

.project-icon-wrapper {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: rgba(123, 47, 247, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-icon {
    width: 24px;
    height: 24px;
    color: var(--accent-purple);
}

.project-links {
    display: flex;
    gap: 10px;
}

.project-link-icon {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.project-link-icon svg {
    width: 20px;
    height: 20px;
}

.project-link-icon:hover {
    color: var(--accent-blue);
    background: rgba(0, 212, 255, 0.08);
}

.project-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.project-card:hover .project-title {
    color: var(--accent-blue);
}

.project-description {
    flex: 1;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.project-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 4px 12px;
    border-radius: 4px;
    background: rgba(123, 47, 247, 0.06);
    color: var(--accent-purple);
    border: 1px solid rgba(123, 47, 247, 0.12);
}

/* ============================================
   EXPERIENCE / TIMELINE
   ============================================ */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 40px;
}

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

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-dot {
    position: absolute;
    left: -46px;
    top: 28px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-blue);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
    border: 3px solid var(--bg-primary);
}

.timeline-content {
    padding: 32px;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 12px;
}

.timeline-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.timeline-company {
    font-size: 0.95rem;
    color: var(--accent-blue);
    margin-top: 4px;
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-muted);
    background: rgba(0, 212, 255, 0.06);
    padding: 4px 14px;
    border-radius: 6px;
    white-space: nowrap;
}

.timeline-project {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-style: italic;
}

.timeline-details {
    list-style: none;
    padding: 0;
}

.timeline-details li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.timeline-details li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-blue);
    font-size: 1rem;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

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

.achievement-card {
    padding: 40px 32px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.achievement-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(
        from 0deg,
        transparent,
        rgba(0, 212, 255, 0.03),
        transparent,
        rgba(123, 47, 247, 0.03),
        transparent
    );
    animation: rotateBg 8s linear infinite;
    pointer-events: none;
}

@keyframes rotateBg {
    100% {
        transform: rotate(360deg);
    }
}

.achievement-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    position: relative;
}

.achievement-icon {
    width: 26px;
    height: 26px;
    color: var(--accent-blue);
}

.achievement-number {
    font-size: 3rem;
    font-weight: 900;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    display: inline;
    position: relative;
}

.achievement-suffix {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-blue);
    display: inline;
    position: relative;
}

.achievement-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 12px;
    margin-bottom: 12px;
    position: relative;
}

.achievement-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
    position: relative;
}

.achievement-link {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--accent-blue);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    position: relative;
    transition: gap var(--transition-fast);
}

.achievement-link:hover {
    gap: 10px;
}

.link-icon {
    width: 14px;
    height: 14px;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact .section-subtitle {
    max-width: 560px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 900px;
}

.contact-card {
    padding: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-icon {
    width: 22px;
    height: 22px;
    color: var(--accent-blue);
    flex-shrink: 0;
}

.contact-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    margin-bottom: 4px;
}

.contact-value {
    font-size: 0.95rem;
    color: var(--text-primary);
    text-decoration: none;
}

a.contact-value:hover {
    color: var(--accent-blue);
}

.contact-social-card {
    padding: 40px;
    display: flex;
    flex-direction: column;
}

.contact-social-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.contact-socials {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 28px;
    flex: 1;
}

.contact-social-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    text-decoration: none;
    font-size: 0.9rem;
}

.contact-social-link svg {
    width: 18px;
    height: 18px;
}

.contact-social-link:hover {
    color: var(--accent-blue);
    border-color: rgba(0, 212, 255, 0.2);
    background: rgba(0, 212, 255, 0.04);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 48px 0;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.footer-logo {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.footer-nav {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-nav a {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-copyright {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .expertise-grid,
    .projects-grid,
    .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

@media (max-width: 768px) {
    :root {
        --section-padding: 80px 0;
    }

    .navbar {
        padding: 16px 20px;
    }

    .navbar.scrolled {
        padding: 12px 20px;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        background: rgba(15, 22, 41, 0.98);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 4px;
        padding: 40px;
        transition: right var(--transition-medium);
        border-left: 1px solid var(--glass-border);
    }

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

    .nav-link {
        font-size: 1rem;
        padding: 14px 24px;
        width: 100%;
        text-align: center;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-name {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }

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

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

    .timeline {
        padding-left: 30px;
    }

    .timeline-dot {
        left: -36px;
    }

    .timeline-content {
        padding: 24px;
    }

    .timeline-header {
        flex-direction: column;
    }

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

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

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

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

    .cursor-glow {
        display: none;
    }
}

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

    .stat-card {
        flex-direction: row;
        justify-content: center;
        gap: 10px;
        padding: 20px;
    }

    .hero-typing-wrapper {
        font-size: 0.95rem;
    }
}