/* ========================
   CSS VARIABLES & RESET
========================= */
:root {
    --bg: #080c1a;
    --bg-card: #111827;
    --accent: #00c2ff;
    --accent-dim: rgba(0, 194, 255, 0.1);
    --border: rgba(0, 194, 255, 0.3);
    --text: #e8eaf6;
    --text-muted: #94a3b8;
    --text-faint: #4a5568;
    --radius: 14px;
    --font-display: 'Space Mono', monospace;
    --font-body: 'DM Sans', sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 28px rgba(0, 194, 255, 0.18);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    overflow-x: hidden;
}

/* ========================
   BACKGROUND
========================= */
.star-field {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image:
        radial-gradient(1.5px 1.5px at 10% 20%, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 30% 50%, rgba(255,255,255,0.3), transparent),
        radial-gradient(2px 2px at 60% 15%, rgba(255,255,255,0.4), transparent),
        radial-gradient(1.5px 1.5px at 80% 70%, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 45% 85%, rgba(255,255,255,0.3), transparent),
        radial-gradient(2px 2px at 90% 40%, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 20% 75%, rgba(255,255,255,0.3), transparent),
        radial-gradient(1.5px 1.5px at 55% 55%, rgba(255,255,255,0.3), transparent);
    background-repeat: repeat;
    background-size: 300px 300px;
    opacity: 0.5;
    animation: driftStars 80s linear infinite;
}
@keyframes driftStars {
    from { transform: translate(0,0); }
    to   { transform: translate(60px, 120px); }
}
#particles-canvas {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.3;
}

/* ========================
   SCROLL REVEAL
========================= */
.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ========================
   NAVBAR — FIXED horizontal layout
========================= */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: 64px;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    background: rgba(8, 12, 26, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0, 194, 255, 0.15);
    transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
    background: rgba(8, 12, 26, 0.98);
    box-shadow: var(--shadow);
}
.nav-logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.5px;
    flex-shrink: 0;
    text-decoration: none;
}
.nav-logo .dot { color: var(--accent); }

.nav-links {
    display: flex;
    flex-direction: row;
    list-style: none;
    gap: 30px;
    margin: 0;
    padding: 0;
}
.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    transition: color var(--transition);
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -3px; left: 0;
    width: 0; height: 1px;
    background: var(--accent);
    transition: width var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-actions {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.resume-btn {
    background: var(--accent);
    color: #000;
    padding: 8px 18px;
    border-radius: 30px;
    font-size: 0.82rem;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    transition: all var(--transition);
    white-space: nowrap;
    font-family: var(--font-body);
}
.resume-btn:hover {
    background: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(0,194,255,0.4);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.hamburger span {
    display: block;
    width: 22px; height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all var(--transition);
}

/* Mobile Nav */
.mobile-nav {
    display: none;
    position: fixed;
    top: 64px; left: 0; right: 0;
    z-index: 999;
    background: rgba(8, 12, 26, 0.99);
    border-bottom: 1px solid rgba(0,194,255,0.15);
    padding: 20px 24px;
    flex-direction: column;
    gap: 16px;
}
.mobile-nav.open { display: flex; }
.mobile-nav ul { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.mobile-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: color var(--transition);
}
.mobile-nav a:hover { color: var(--accent); }
.mobile-resume { align-self: flex-start; margin-top: 8px; }

/* ========================
   HERO
========================= */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 110px 24px 70px;
    position: relative;
    z-index: 5;
}
.hero-center { max-width: 700px; width: 100%; }

.profile-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 32px;
}
.profile-pic {
    width: 230px; height: 230px;
    margin: auto;
    border-radius: 50%;
    overflow: hidden;
    border: 2.5px solid var(--accent);
    box-shadow: 0 0 0 6px rgba(0,194,255,0.1), 0 0 40px rgba(0,194,255,0.2);
}
.profile-pic img { width: 100%; height: 100%; object-fit: cover; display: block; }

.status-badge {
    position: absolute;
    bottom: -8px; left: 50%;
    transform: translateX(-50%);
    background: #111827;
    border: 1px solid rgba(74,222,128,0.4);
    color: #4ade80;
    font-size: 0.68rem;
    font-weight: 600;
    padding: 4px 13px;
    border-radius: 20px;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
}
.pulse-dot {
    width: 7px; height: 7px;
    background: #4ade80;
    border-radius: 50%;
    animation: pulse 1.8s infinite;
    display: inline-block;
    flex-shrink: 0;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(1.5); }
}

.hero-mono {
    font-family: var(--font-display);
    font-size: 0.68rem;
    letter-spacing: 5px;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 10px;
}
.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5.5vw, 3.6rem);
    font-weight: 700;
    color: #fff;
    letter-spacing: -1px;
    line-height: 1.05;
    margin-bottom: 10px;
}
.hero h2 {
    font-size: clamp(1rem, 2.2vw, 1.25rem);
    font-weight: 400;
    color: var(--text-muted);
    margin-bottom: 12px;
    letter-spacing: 1px;
}
.hero-sub {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 36px;
}
.highlight { color: var(--accent); font-weight: 600; }

.hero-cta {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 36px;
}
.btn-primary {
    background: var(--accent);
    color: #000;
    padding: 11px 28px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition);
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
}
.btn-primary:hover {
    background: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,194,255,0.4);
}
.btn-outline {
    background: transparent;
    color: var(--accent);
    padding: 11px 28px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1.5px solid var(--accent);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition);
    font-family: var(--font-body);
}
.btn-outline:hover {
    background: rgba(0,194,255,0.1);
    transform: translateY(-2px);
}

.social-icons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
}
.social-icons a {
    color: var(--text-muted);
    font-size: 20px;
    transition: color var(--transition), transform var(--transition);
}
.social-icons a:hover { color: var(--accent); transform: translateY(-3px); }

.scroll-indicator {
    position: absolute;
    bottom: 32px; left: 50%;
    transform: translateX(-50%);
}
.scroll-indicator span {
    display: block;
    width: 22px; height: 38px;
    border: 2px solid rgba(148,163,184,0.35);
    border-radius: 12px;
    position: relative;
}
.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 5px; left: 50%;
    transform: translateX(-50%);
    width: 4px; height: 8px;
    background: var(--accent);
    border-radius: 2px;
    animation: scrollDot 1.7s infinite;
}
@keyframes scrollDot {
    0%, 100% { top: 5px; opacity: 1; }
    80%       { top: 17px; opacity: 0; }
}

/* ========================
   SECTION SHARED
========================= */
section { position: relative; z-index: 5; }

.section-label {
    text-align: center;
    font-family: var(--font-display);
    font-size: 0.62rem;
    letter-spacing: 4px;
    color: var(--accent);
    margin-bottom: 10px;
    text-transform: uppercase;
    opacity: 0.85;
}
.section-title {
    text-align: center;
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    margin-bottom: 48px;
    color: #fff;
    letter-spacing: -0.5px;
}

/* ========================
   SECTION FILTERS
========================= */
.section-filters {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin: 0 auto 64px;
    flex-wrap: wrap;
    position: relative;
    z-index: 5;
    padding: 0 24px;
}
.filter-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}
.section-filter {
    background: transparent;
    border: 1.5px solid rgba(0,194,255,0.3);
    color: var(--text-muted);
    padding: 8px 20px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition);
    font-family: var(--font-body);
}
.section-filter.active {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    font-weight: 700;
}
.section-filter:hover:not(.active) {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0,194,255,0.06);
}

/* ========================
   ABOUT / INTRODUCTION
========================= */
.introduction {
    max-width: 860px;
    margin: 80px auto;
    text-align: center;
    padding: 0 24px;
    position: relative;
    z-index: 5;
}
.intro-tabs {
    display: inline-flex;
    gap: 6px;
    margin-bottom: 28px;
    background: #111827;
    border: 1.5px solid rgba(0,194,255,0.25);
    border-radius: 40px;
    padding: 5px;
}
.tab {
    padding: 8px 22px;
    border-radius: 30px;
    border: none;
    cursor: pointer;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.88rem;
    font-weight: 600;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: var(--font-body);
}
.tab.active { background: var(--accent); color: #000; }
.tab:not(.active):hover { color: var(--accent); }

/* FIXED: default written tab shows, not video */
.intro-content { display: none; }
.intro-content.active { display: block; }

.intro-content p {
    font-size: 1rem;
    line-height: 1.85;
    color: var(--text-muted);
    margin-bottom: 1.1rem;
    text-align: left;
}
.intro-content p strong { color: var(--text); }

.stat-row {
    display: flex;
    justify-content: center;
    gap: 36px;
    flex-wrap: wrap;
    margin-top: 32px;
    padding-top: 26px;
    border-top: 1px solid rgba(0,194,255,0.15);
}
.stat { text-align: center; }
.stat-num {
    display: block;
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent);
}
.stat-lbl {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 3px;
}

.video-wrapper {
    border-radius: 12px;
    overflow: hidden;
    border: 1.5px solid rgba(0,194,255,0.25);
}
.video-wrapper iframe {
    width: 100%; height: 380px;
    border: none; display: block;
}

/* ========================
   SKILLS — visible card borders
========================= */
.skills {
    max-width: 1200px;
    margin: 40px auto 90px;
    padding: 0 24px;
}
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 22px;
}
.skill-category {
    background: #111827;
    padding: 26px 22px;
    border-radius: var(--radius);
    border: 1.5px solid rgba(0, 194, 255, 0.3);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    position: relative;
    overflow: hidden;
}
.skill-category::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}
.skill-category:hover::before { opacity: 1; }
.skill-category:hover {
    transform: translateY(-5px);
    border-color: rgba(0,194,255,0.65);
    box-shadow: 0 8px 32px rgba(0,194,255,0.15);
}
.skill-icon {
    width: 42px; height: 42px;
    background: rgba(0,194,255,0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    font-size: 1.05rem;
    color: var(--accent);
    border: 1px solid rgba(0,194,255,0.15);
}
.skill-category h3 {
    font-size: 0.92rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.skill-tags span {
    background: rgba(0,194,255,0.08);
    color: var(--accent);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.74rem;
    font-weight: 500;
    border: 1px solid rgba(0,194,255,0.18);
}
.skill-tags span:hover { background: rgba(0,194,255,0.18); }

/* ========================
   EXPERIENCE — visible card borders
========================= */
.experience {
    max-width: 860px;
    margin: 40px auto 90px;
    padding: 0 24px;
}
.timeline {
    position: relative;
    padding-left: 38px;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 10px; top: 8px; bottom: 8px;
    width: 1.5px;
    background: linear-gradient(to bottom, var(--accent), rgba(0,194,255,0.05));
}
.timeline-item {
    position: relative;
    margin-bottom: 28px;
}
.timeline-dot {
    position: absolute;
    left: -32px; top: 22px;
    width: 13px; height: 13px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 14px rgba(0,194,255,0.6);
    border: 2.5px solid #080c1a;
    z-index: 2;
}
.timeline-card {
    background: #111827;
    border: 1.5px solid rgba(0, 194, 255, 0.3);
    border-radius: var(--radius);
    padding: 24px 26px;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    position: relative;
    overflow: hidden;
}
.timeline-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 3px; height: 100%;
    background: var(--accent);
    opacity: 0;
    transition: opacity var(--transition);
}
.timeline-card:hover::before { opacity: 1; }
.timeline-card:hover {
    transform: translateX(5px);
    border-color: rgba(0,194,255,0.65);
    box-shadow: 0 8px 32px rgba(0,194,255,0.12);
}
.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 16px;
}
.timeline-header h3 { font-size: 1.05rem; font-weight: 700; color: #fff; margin-bottom: 3px; }
.company { font-size: 0.82rem; color: var(--accent); }
.exp-date {
    font-family: var(--font-display);
    font-size: 0.7rem;
    color: var(--text-muted);
    background: rgba(0,194,255,0.08);
    padding: 4px 12px;
    border-radius: 20px;
    white-space: nowrap;
    border: 1px solid rgba(0,194,255,0.2);
    flex-shrink: 0;
}
.timeline-card ul { padding-left: 18px; margin-bottom: 16px; }
.timeline-card li {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 8px;
    line-height: 1.6;
}
.timeline-card li strong { color: #fff; }
.exp-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    padding-top: 14px;
    border-top: 1px solid rgba(0,194,255,0.1);
}
.exp-tags span {
    background: rgba(0,194,255,0.08);
    color: var(--accent);
    padding: 3px 10px;
    border-radius: 5px;
    font-size: 0.72rem;
    font-weight: 600;
    border: 1px solid rgba(0,194,255,0.15);
}

/* ========================
   EDUCATION — visible card borders
========================= */
.education {
    max-width: 860px;
    margin: 40px auto 90px;
    padding: 0 24px;
}
.edu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 22px;
}
.edu-item {
    background: #111827;
    border: 1.5px solid rgba(0, 194, 255, 0.3);
    border-radius: var(--radius);
    padding: 26px 22px;
    display: flex;
    gap: 18px;
    align-items: flex-start;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    position: relative;
    overflow: hidden;
}
.edu-item::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}
.edu-item:hover::after { opacity: 1; }
.edu-item:hover {
    transform: translateY(-5px);
    border-color: rgba(0,194,255,0.65);
    box-shadow: 0 8px 32px rgba(0,194,255,0.12);
}
.edu-icon {
    width: 48px; height: 48px;
    background: rgba(0,194,255,0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--accent);
    flex-shrink: 0;
    border: 1px solid rgba(0,194,255,0.2);
}
.edu-body { flex: 1; }
.edu-body h3 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 5px; }
.edu-degree { font-size: 0.82rem; color: var(--accent); margin-bottom: 5px; }
.edu-date { font-family: var(--font-display); font-size: 0.7rem; color: var(--text-muted); margin-bottom: 8px; }
.edu-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.55; }

/* ========================
   PROJECTS — visible card borders
========================= */
.projects {
    max-width: 1200px;
    margin: 40px auto 90px;
    padding: 0 24px;
}
.project-filters {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.filter {
    background: transparent;
    border: 1.5px solid rgba(0,194,255,0.25);
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 8px 20px;
    border-radius: 30px;
    transition: all var(--transition);
    font-family: var(--font-body);
}
.filter.active { background: var(--accent); color: #000; border-color: var(--accent); font-weight: 700; }
.filter:hover:not(.active) { border-color: var(--accent); color: var(--accent); background: rgba(0,194,255,0.06); }

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 22px;
}
.project {
    background: #111827;
    border-radius: var(--radius);
    border: 1.5px solid rgba(0, 194, 255, 0.28);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.project:hover {
    transform: translateY(-7px);
    box-shadow: 0 14px 40px rgba(0,0,0,0.5);
    border-color: rgba(0,194,255,0.65);
}
.project-img-wrap {
    position: relative;
    overflow: hidden;
    height: 185px;
    background: #0a0f1e;
}
.project-img-wrap img {
    width: 100%; height: 100%;
    object-fit: cover; display: block;
    transition: transform 0.5s ease;
}
.project:hover .project-img-wrap img { transform: scale(1.06); }

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
}
.project:hover .project-overlay { opacity: 1; }
.project-overlay span {
    color: var(--accent);
    font-weight: 700;
    font-size: 0.82rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: 1.5px solid var(--accent);
    padding: 8px 20px;
    border-radius: 30px;
}
.project-badge {
    position: absolute;
    top: 12px; right: 12px;
    background: rgba(8,12,26,0.9);
    color: var(--accent);
    font-family: var(--font-display);
    font-size: 0.6rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 20px;
    letter-spacing: 1px;
    border: 1px solid rgba(0,194,255,0.3);
}
.project-body {
    padding: 18px 18px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.project-body h4 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 10px; }
.project-tech { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.project-tech span {
    background: rgba(0,194,255,0.08);
    padding: 3px 9px;
    border-radius: 5px;
    font-size: 0.7rem;
    color: var(--accent);
    font-weight: 500;
    border: 1px solid rgba(0,194,255,0.15);
}
.project-desc {
    font-size: 0.87rem;
    color: var(--text-muted);
    line-height: 1.55;
    margin-bottom: 14px;
    flex-grow: 1;
}
.buttons { display: flex; gap: 10px; margin-top: auto; }
.btn {
    padding: 7px 14px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition);
}
.source { background: var(--accent); color: #000; }
.source:hover { background: #fff; color: #000; }
.read { border: 1.5px solid rgba(0,194,255,0.3); color: var(--text-muted); background: transparent; }
.read:hover { border-color: var(--accent); color: var(--accent); background: rgba(0,194,255,0.06); }

/* ========================
   MODAL
========================= */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.82);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(6px);
}
.modal.open { display: flex; }
.modal-content {
    background: #111827;
    border: 1.5px solid rgba(0,194,255,0.35);
    padding: 32px;
    max-width: 460px;
    width: 90%;
    border-radius: 18px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,0.7), 0 0 40px rgba(0,194,255,0.1);
    animation: fadeUp 0.28s ease;
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-content h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    color: #fff;
    margin-bottom: 22px;
}
.close {
    position: absolute;
    top: 16px; right: 18px;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--text-muted);
    background: none;
    border: none;
    transition: color var(--transition);
    font-family: var(--font-body);
}
.close:hover { color: #fff; }
.cert-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.cert-list li {
    display: flex;
    align-items: center;
    gap: 14px;
    background: rgba(0,194,255,0.05);
    padding: 14px 16px;
    border-radius: 10px;
    border: 1px solid rgba(0,194,255,0.2);
    transition: border-color var(--transition), background var(--transition);
}
.cert-list li:hover { border-color: var(--accent); background: rgba(0,194,255,0.08); }
.cert-list i { color: var(--accent); font-size: 1rem; width: 20px; text-align: center; flex-shrink: 0; }
.cert-list a { color: var(--text); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: color var(--transition); }
.cert-list a:hover { color: var(--accent); }

/* ========================
   FOOTER
========================= */
.footer {
    background: #0b1020;
    border-top: 1px solid rgba(0,194,255,0.15);
    padding: 80px 24px 40px;
    position: relative;
    z-index: 5;
}
.footer-inner { max-width: 680px; margin: auto; text-align: center; }
.footer-top { margin-bottom: 40px; }
.footer-top h2 {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 3vw, 1.9rem);
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}
.footer-top p { color: var(--text-muted); margin-bottom: 28px; font-size: 1rem; }
.large-btn { font-size: 1rem; padding: 13px 34px; }
.footer-links {
    display: flex;
    justify-content: center;
    gap: 28px;
    flex-wrap: wrap;
    margin-bottom: 36px;
}
.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent); }
.footer-copy { font-size: 0.75rem; color: var(--text-faint); font-family: var(--font-display); }

/* ========================
   RESPONSIVE
========================= */
@media (max-width: 960px) {
    .nav-links { display: none; }
    .hamburger { display: flex; }
}
@media (max-width: 768px) {
    .navbar { padding: 0 20px; }
    .star-field { display: none; }
    .hero { padding-top: 80px; }
    .profile-pic { width: 110px; height: 110px; }
    .skills-grid { grid-template-columns: 1fr; }
    .project-grid { grid-template-columns: 1fr; }
    .video-wrapper iframe { height: 240px; }
    .timeline { padding-left: 26px; }
    .timeline-header { flex-direction: column; gap: 8px; }
    .stat-row { gap: 22px; }
    .edu-grid { grid-template-columns: 1fr; }
    .footer-links { gap: 16px; }
}
@media (max-width: 480px) {
    .hero-cta { flex-direction: column; align-items: center; }
    .hero h1 { font-size: 2rem; }
    .section-filters { gap: 8px; }
    .section-filter, .filter { padding: 6px 14px; font-size: 0.8rem; }
    .buttons { flex-wrap: wrap; }
}