/* ── GRAIN TEXTURE OVERLAY ── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.032;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 180px 180px;
}

:root {
    --bg: #0a0a0a;
    --bg-alt: #111111;
    --bg-card: #161616;
    --accent: #e63946;
    --accent-dim: rgba(230, 57, 70, 0.12);
    --text: #f5f5f5;
    --text-muted: #6b6b6b;
    --text-sub: #999999;
    --border: rgba(255,255,255,0.07);
    --radius: 14px;
    --radius-sm: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

/* ── FADE-UP ANIMATION ── */
.fade-up {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.65s cubic-bezier(0.4,0,0.2,1),
                transform 0.65s cubic-bezier(0.4,0,0.2,1);
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}
/* stagger children inside a parent */
.fade-up:nth-child(2) { transition-delay: 0.08s; }
.fade-up:nth-child(3) { transition-delay: 0.16s; }
.fade-up:nth-child(4) { transition-delay: 0.24s; }
.fade-up:nth-child(5) { transition-delay: 0.32s; }

/* ── UTILITIES ── */
.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
}

.section { padding: 110px 0; }
.section-alt { background: var(--bg-alt); }

.section-label {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 56px;
    line-height: 1.15;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 24px;
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover {
    background: #c1121f;
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-sub);
    border: 1px solid var(--border);
}
.btn-ghost:hover {
    color: var(--text);
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

/* ── HEADER ── */
#header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10,10,10,0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.04em;
}
.logo:hover { color: var(--accent); }

.nav-links {
    display: flex;
    list-style: none;
    gap: 36px;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
    letter-spacing: 0.01em;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); }

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}
.hamburger span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--text);
    transition: var(--transition);
}

/* ── HERO ── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

/* animated background */
.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.45;
    animation: blobFloat 12s ease-in-out infinite;
}

.blob-1 {
    width: 520px; height: 520px;
    background: radial-gradient(circle, rgba(230,57,70,0.18), transparent 70%);
    top: -120px; right: -100px;
    animation-duration: 14s;
}
.blob-2 {
    width: 380px; height: 380px;
    background: radial-gradient(circle, rgba(180,30,60,0.12), transparent 70%);
    bottom: 60px; left: -80px;
    animation-duration: 18s;
    animation-delay: -6s;
}
.blob-3 {
    width: 260px; height: 260px;
    background: radial-gradient(circle, rgba(230,57,70,0.1), transparent 70%);
    top: 40%; left: 40%;
    animation-duration: 22s;
    animation-delay: -10s;
}

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

.hero .container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-inner {
    max-width: 680px;
    text-align: center;
}

.hero-status { justify-content: center; }
.hero-actions { justify-content: center; }
.hero-socials { justify-content: center; }
.hero-desc { margin-inline: auto; }

.hero-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-muted);
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 24px;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #4ade80;
    box-shadow: 0 0 8px #4ade80;
    animation: pulse 2s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.6; transform: scale(0.85); }
}

.hero-inner h1 {
    font-size: clamp(2.8rem, 6vw, 5rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.08;
    margin-bottom: 22px;
}

.hero-inner h1 span { color: var(--accent); }

.hero-desc {
    font-size: 1rem;
    color: var(--text-sub);
    line-height: 1.75;
    margin-bottom: 36px;
    max-width: 460px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.hero-socials {
    display: flex;
    gap: 20px;
}
.hero-socials a {
    color: var(--text-muted);
    font-size: 1.05rem;
    transition: var(--transition);
    text-decoration: none;
}
.hero-socials a:hover {
    color: var(--text);
    transform: translateY(-3px);
}

.hero-image { flex-shrink: 0; }

.img-ring {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    padding: 4px;
    background: conic-gradient(var(--accent), rgba(230,57,70,0.2), var(--accent));
    animation: spinRing 8s linear infinite;
}

@keyframes spinRing {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.img-ring img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--bg);
    animation: spinRing 8s linear infinite reverse;
}

.hero-scroll {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 1;
}
.hero-scroll span {
    font-size: 0.65rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-muted);
}
.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--text-muted), transparent);
    animation: scrollDrop 2s ease-in-out infinite;
}
@keyframes scrollDrop {
    0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
    50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
    100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* ── SKILLS ── */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(155px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.skill-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 18px;
    transition: var(--transition);
}
.skill-card:hover {
    border-color: rgba(255,255,255,0.14);
    transform: translateY(-4px);
    background: #1c1c1c;
}

.skill-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.skill-top > i {
    font-size: 1.5rem;
    color: var(--accent);
}

.skill-ring {
    position: relative;
    width: 52px;
    height: 52px;
}
.skill-ring svg {
    width: 52px;
    height: 52px;
    transform: rotate(-90deg);
}
.ring-bg {
    fill: none;
    stroke: rgba(255,255,255,0.06);
    stroke-width: 2.5;
    stroke-linecap: round;
}
.ring-fill {
    fill: none;
    stroke: var(--accent);
    stroke-width: 2.5;
    stroke-linecap: round;
    transition: stroke-dasharray 1.4s cubic-bezier(0.4,0,0.2,1);
}
.ring-pct {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--text-sub);
}

.skill-card h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.skill-card p {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.tech-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tech-pills span {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-muted);
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 5px 14px;
    border-radius: 999px;
    transition: var(--transition);
}
.tech-pills span:hover {
    color: var(--text);
    border-color: rgba(255,255,255,0.14);
}

/* ── TIMELINE ── */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 760px;
}

.tl-item {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 32px;
    position: relative;
    padding-bottom: 48px;
}
.tl-item:last-child { padding-bottom: 0; }

.tl-left {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
    padding-top: 22px;
    position: relative;
}
.tl-left::after {
    content: '';
    position: absolute;
    right: -17px;
    top: 30px;
    bottom: -48px;
    width: 1px;
    background: var(--border);
}
.tl-item:last-child .tl-left::after { display: none; }

.tl-date {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-align: right;
    line-height: 1.4;
}

.tl-dot {
    position: absolute;
    right: -22px;
    top: 26px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--bg-alt);
    z-index: 1;
}

.tl-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 28px;
    transition: var(--transition);
}
.tl-card:hover {
    border-color: rgba(255,255,255,0.12);
}

.tl-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}
.tl-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.tl-company {
    font-size: 0.82rem;
    color: var(--text-muted);
}
.tl-badge {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-dim);
    padding: 3px 10px;
    border-radius: 999px;
    white-space: nowrap;
    flex-shrink: 0;
}
.tl-card ul {
    padding-left: 16px;
}
.tl-card li {
    font-size: 0.875rem;
    color: var(--text-sub);
    margin-bottom: 7px;
    line-height: 1.6;
}

.num {
    color: var(--accent);
    font-weight: 700;
}

/* ── CERTIFICATIONS ── */
.cert-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    max-width: 700px;
}

.cert-row {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 18px 20px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: inherit;
    border: 1px solid transparent;
    transition: var(--transition);
}
.cert-row:hover {
    background: var(--bg-card);
    border-color: var(--border);
}

.cert-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--accent-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--accent);
    flex-shrink: 0;
}
.cert-body { flex: 1; }
.cert-body h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2px;
}
.cert-body p {
    font-size: 0.78rem;
    color: var(--text-muted);
}
.cert-arrow {
    color: var(--text-muted);
    font-size: 0.78rem;
    transition: var(--transition);
}
.cert-row:hover .cert-arrow { color: var(--accent); }

/* ── CARDS (research + projects) ── */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: var(--transition);
}
.card:hover {
    border-color: rgba(255,255,255,0.14);
    transform: translateY(-4px);
}

.card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.card-top > i {
    font-size: 1.5rem;
    color: var(--accent);
}
.card-tag {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-dim);
    padding: 3px 10px;
    border-radius: 999px;
}

.card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.45;
}
.card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    flex: 1;
    line-height: 1.65;
}
.card-link {
    font-size: 0.82rem;
    color: var(--text-sub);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 4px;
    transition: var(--transition);
}
.card:hover .card-link {
    color: var(--accent);
    gap: 10px;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 4px;
}
.card-tags span {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-dim);
    padding: 3px 10px;
    border-radius: 999px;
}

/* ── EDUCATION ── */
.edu-stack {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 720px;
}

.edu-card {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 32px;
    transition: var(--transition);
}
.edu-card:hover { border-color: rgba(255,255,255,0.12); }

.edu-card-featured {
    border-color: rgba(230,57,70,0.25);
    background: linear-gradient(135deg, rgba(230,57,70,0.05), var(--bg-card));
}
.edu-card-featured:hover { border-color: rgba(230,57,70,0.45); }

.edu-left {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-sm);
    background: var(--accent-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.edu-title-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
}

.edu-right h3 {
    font-size: 1rem;
    font-weight: 700;
}
.edu-school {
    font-size: 0.88rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 4px;
}
.edu-meta {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}
.edu-note {
    font-size: 0.82rem;
    color: var(--text-sub);
    font-style: italic;
}
.edu-courses {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ── BIO ── */
.bio-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: start;
}

.bio-heading {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    position: sticky;
    top: 100px;
}

.bio-body p {
    font-size: 1rem;
    color: var(--text-sub);
    line-height: 1.85;
    margin-bottom: 20px;
}

.bio-interests {
    font-size: 0.9rem !important;
    color: var(--text-muted) !important;
    margin-top: 8px;
}

.bio-interests span {
    color: var(--text);
    font-weight: 600;
}


.skills-extra {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 36px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}
.skills-extra-label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 12px;
}
.tech-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tech-pills span {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-muted);
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 5px 14px;
    border-radius: 999px;
    transition: var(--transition);
}
.tech-pills span:hover {
    color: var(--text);
    border-color: rgba(255,255,255,0.14);
}

/* ── CONTACT ── */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 70px;
    align-items: start;
}

.contact-info > p {
    font-size: 0.95rem;
    color: var(--text-sub);
    margin-bottom: 32px;
    line-height: 1.75;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 32px;
}
.contact-links a {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.88rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}
.contact-links a i { color: var(--accent); width: 16px; }
.contact-links a:hover { color: var(--text); }

.resume-btn { margin-top: 4px; }

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 7px;
}
.form-group label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
.form-group input,
.form-group textarea {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 11px 14px;
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 0.88rem;
    transition: var(--transition);
    resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(255,255,255,0.2);
    background: #1c1c1c;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }

.form-status {
    font-size: 0.85rem;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    display: none;
}
.form-status.success {
    display: block;
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.2);
    color: #4ade80;
}
.form-status.error {
    display: block;
    background: var(--accent-dim);
    border: 1px solid rgba(230, 57, 70, 0.25);
    color: #f87171;
}

/* ── FOOTER ── */
footer {
    border-top: 1px solid var(--border);
    padding: 32px 0;
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
footer p {
    font-size: 0.78rem;
    color: var(--text-muted);
}
.footer-socials {
    display: flex;
    gap: 18px;
}
.footer-socials a {
    color: var(--text-muted);
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
}
.footer-socials a:hover {
    color: var(--text);
    transform: translateY(-2px);
}

/* ── RESPONSIVE ── */
@media (max-width: 860px) {
    .hero .container {
        flex-direction: column-reverse;
        text-align: center;
        gap: 40px;
        padding-top: 40px;
    }
    .hero-desc { margin-inline: auto; }
    .hero-actions, .hero-socials { justify-content: center; }
    .hero-status { font-size: 0.7rem; }
    .img-ring { width: 200px; height: 200px; }

    .bio-layout { grid-template-columns: 1fr; gap: 20px; }
    .bio-heading { position: static; }

    .tl-item { grid-template-columns: 1fr; gap: 10px; }
    .tl-left { flex-direction: row; align-items: center; padding-top: 0; }
    .tl-left::after { display: none; }
    .tl-dot { position: static; }
    .tl-date { font-size: 0.8rem; }

    .skills-extra { grid-template-columns: 1fr; gap: 20px; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .nav-links {
        display: none;
        position: fixed;
        inset: 65px 0 0 0;
        background: rgba(10,10,10,0.97);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 40px;
        gap: 28px;
        border-top: 1px solid var(--border);
    }
    .nav-links.open { display: flex; }
    .hamburger { display: flex; }
    .section { padding: 80px 0; }
    .section-title { margin-bottom: 40px; }
    .cards-grid { grid-template-columns: 1fr; }
    .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
}

/* ── PRELOADER ── */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}
#preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
.preloader-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}
.preloader-logo {
    font-size: clamp(2.4rem, 7vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    color: var(--text);
    animation: preloaderPulse 1.2s ease-in-out infinite alternate;
}
.preloader-logo span { color: var(--accent); }
@keyframes preloaderPulse {
    from { opacity: 0.4; transform: scale(0.97); }
    to   { opacity: 1;   transform: scale(1); }
}
.preloader-bar {
    width: 120px;
    height: 2px;
    background: rgba(255,255,255,0.08);
    border-radius: 999px;
    overflow: hidden;
}
.preloader-fill {
    height: 100%;
    width: 0%;
    background: var(--accent);
    border-radius: 999px;
    animation: preloaderLoad 1.4s cubic-bezier(0.4,0,0.2,1) forwards;
}
@keyframes preloaderLoad {
    0%   { width: 0%; }
    60%  { width: 75%; }
    100% { width: 100%; }
}

/* ── SCROLL PROGRESS BAR ── */
#scrollProgress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 0%;
    background: var(--accent);
    z-index: 10001;
    transition: width 0.08s linear;
    box-shadow: 0 0 8px rgba(230,57,70,0.6);
}


/* ── TYPEWRITER HERO TAGLINE ── */
.hero-tagline {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.01em;
    margin-bottom: 16px;
    min-height: 1.6em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
}
.typewriter-cursor {
    display: inline-block;
    color: var(--accent);
    animation: blink 0.85s step-end infinite;
    font-weight: 300;
    margin-left: 1px;
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0; }
}

/* ── GLASSMORPHISM CARD UPGRADES ── */
.skill-card,
.tl-card,
.cert-row:hover,
.card,
.edu-card {
    background: rgba(22, 22, 22, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-color: rgba(255,255,255,0.07);
    box-shadow: 0 1px 0 0 rgba(255,255,255,0.04) inset, 0 4px 24px rgba(0,0,0,0.3);
}
.skill-card:hover,
.tl-card:hover,
.card:hover {
    background: rgba(28, 28, 28, 0.75);
    border-color: rgba(255,255,255,0.13);
    box-shadow: 0 1px 0 0 rgba(255,255,255,0.06) inset, 0 8px 32px rgba(0,0,0,0.4);
}
.edu-card-featured {
    background: linear-gradient(135deg, rgba(230,57,70,0.07), rgba(22,22,22,0.65));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}