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

:root {
	--bg:       #0b0f1a;
	--surface:  #111827;
	--card:     #1a2234;
	--border:   #1f2d45;
	--accent:   #38bdf8;
	--accent2:  #818cf8;
	--green:    #34d399;
	--text:     #e2e8f0;
	--muted:    #64748b;
	--radius:   12px;
}

html { scroll-behavior: smooth; }

body {
	font-family: 'Inter', sans-serif;
	background: var(--bg);
	color: var(--text);
	line-height: 1.7;
	overflow-x: hidden;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── Nav ── */
nav {
	position: fixed; top: 0; width: 100%; z-index: 100;
	padding: 1rem 2rem;
	display: flex; align-items: center; justify-content: space-between;
	background: rgba(11, 15, 26, 0.85);
	backdrop-filter: blur(12px);
	border-bottom: 1px solid var(--border);
	transition: all .3s;
}
.nav-logo {
	font-family: 'JetBrains Mono', monospace;
	font-size: .95rem; color: var(--accent); text-decoration: none;
}
.nav-logo span { color: var(--text); }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
	color: var(--muted); text-decoration: none; font-size: .875rem;
	font-weight: 500; transition: color .2s;
}
.nav-links a:hover { color: var(--accent); }
.nav-cta {
	padding: .5rem 1.2rem; border-radius: 8px;
	background: var(--accent); color: var(--bg) !important;
	font-weight: 600 !important; transition: opacity .2s !important;
}
.nav-cta:hover { opacity: .85; color: var(--bg) !important; }

/* ── Hero ── */
#hero {
	min-height: 100vh;
	display: flex; align-items: center;
	padding: 8rem 2rem 4rem;
	position: relative; overflow: hidden;
}
.hero-grid {
	max-width: 1100px; margin: auto;
	display: grid; grid-template-columns: 1fr 1fr;
	gap: 4rem; align-items: center;
}
.hero-badge {
	display: inline-flex; align-items: center; gap: .5rem;
	padding: .35rem .9rem; border-radius: 20px;
	background: rgba(56,189,248,.1); border: 1px solid rgba(56,189,248,.25);
	color: var(--accent); font-size: .78rem; font-weight: 500;
	margin-bottom: 1.5rem; font-family: 'JetBrains Mono', monospace;
}
.hero-badge i { font-size: .7rem; }
.hero-name {
	font-size: clamp(2.2rem, 5vw, 3.5rem);
	font-weight: 700; line-height: 1.15;
	letter-spacing: -.02em;
}
.hero-name .highlight {
	background: linear-gradient(135deg, var(--accent), var(--accent2));
	-webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-sub {
	margin-top: .75rem; color: var(--muted);
	font-size: 1.05rem; font-weight: 400;
}
.hero-desc {
	margin-top: 1.5rem; color: #94a3b8; font-size: .95rem; max-width: 480px;
}
.hero-actions {
	margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap;
}
.btn-primary {
	padding: .75rem 1.75rem; border-radius: 8px;
	background: var(--accent); color: var(--bg);
	font-weight: 600; font-size: .9rem; text-decoration: none;
	transition: opacity .2s, transform .2s;
	display: inline-flex; align-items: center; gap: .5rem;
}
.btn-primary:hover { opacity: .85; transform: translateY(-1px); }
.btn-outline {
	padding: .75rem 1.75rem; border-radius: 8px;
	border: 1px solid var(--border); color: var(--text);
	font-weight: 500; font-size: .9rem; text-decoration: none;
	transition: border-color .2s, transform .2s;
	display: inline-flex; align-items: center; gap: .5rem;
}
.btn-outline:hover { border-color: var(--accent); transform: translateY(-1px); }

.hero-visual {
	display: flex; justify-content: center; align-items: center;
}
.hero-card {
	background: var(--card);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 1.5rem;
	width: 100%; max-width: 360px;
	font-family: 'JetBrains Mono', monospace;
	font-size: .8rem;
	box-shadow: 0 0 60px rgba(56,189,248,.06);
}
.hero-card-bar {
	display: flex; gap: .4rem; margin-bottom: 1rem;
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-r { background: #ff5f57; }
.dot-y { background: #febc2e; }
.dot-g { background: #28c840; }
.code-line { line-height: 1.9; }
.c-gray { color: var(--muted); }
.c-blue { color: var(--accent); }
.c-purple { color: var(--accent2); }
.c-green { color: var(--green); }
.c-orange { color: #fb923c; }

/* ── Glow BG ── */
.glow {
	position: absolute; border-radius: 50%; filter: blur(80px);
	pointer-events: none; z-index: 0;
}
.glow-1 { width: 500px; height: 500px; background: rgba(56,189,248,.04); top: 10%; left: -10%; }
.glow-2 { width: 400px; height: 400px; background: rgba(129,140,248,.04); top: 40%; right: -5%; }
.hero-grid { position: relative; z-index: 1; }

/* ── Section base ── */
section { padding: 6rem 2rem; }
.container { max-width: 1100px; margin: auto; }
.section-label {
	font-family: 'JetBrains Mono', monospace;
	font-size: .78rem; color: var(--accent);
	text-transform: uppercase; letter-spacing: .1em;
	margin-bottom: .75rem;
}
.section-title {
	font-size: clamp(1.6rem, 3vw, 2.2rem);
	font-weight: 700; letter-spacing: -.02em;
	margin-bottom: 1rem;
}
.section-desc { color: var(--muted); max-width: 560px; font-size: .95rem; }
.divider { width: 48px; height: 3px; background: linear-gradient(90deg, var(--accent), var(--accent2)); border-radius: 2px; margin: 1rem 0 2.5rem; }

/* ── About ── */
#about { background: var(--surface); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.about-text p { color: #94a3b8; margin-bottom: 1rem; font-size: .95rem; }
.about-stats {
	display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
	margin-top: 2rem;
}
.stat-card {
	background: var(--card); border: 1px solid var(--border);
	border-radius: var(--radius); padding: 1.25rem;
}
.stat-card .num {
	font-size: 1.75rem; font-weight: 700;
	background: linear-gradient(135deg, var(--accent), var(--accent2));
	-webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-card .label { color: var(--muted); font-size: .8rem; margin-top: .25rem; }
.info-list { list-style: none; margin-top: 1rem; }
.info-list li {
	display: flex; align-items: center; gap: .75rem;
	padding: .6rem 0; border-bottom: 1px solid var(--border);
	color: #94a3b8; font-size: .9rem;
}
.info-list li:last-child { border: none; }
.info-list i { color: var(--accent); width: 16px; text-align: center; }

/* ── Experience ── */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
	content: ''; position: absolute; left: 0; top: 0; bottom: 0;
	width: 2px; background: linear-gradient(180deg, var(--accent), var(--accent2), transparent);
}
.exp-item { position: relative; margin-bottom: 2.5rem; }
.exp-dot {
	position: absolute; left: -2.4rem; top: .4rem;
	width: 12px; height: 12px; border-radius: 50%;
	background: var(--accent); border: 2px solid var(--bg);
	box-shadow: 0 0 8px var(--accent);
}
.exp-card {
	background: var(--card); border: 1px solid var(--border);
	border-radius: var(--radius); padding: 1.5rem;
	transition: border-color .2s, transform .2s;
}
.exp-card:hover { border-color: rgba(56,189,248,.3); transform: translateX(4px); }
.exp-meta {
	display: flex; justify-content: space-between; align-items: flex-start;
	flex-wrap: wrap; gap: .5rem; margin-bottom: .75rem;
}
.exp-title { font-weight: 600; font-size: 1rem; }
.exp-company { color: var(--accent); font-size: .85rem; margin-top: .15rem; }
.exp-date {
	font-family: 'JetBrains Mono', monospace;
	font-size: .75rem; color: var(--muted);
	background: var(--bg); padding: .25rem .6rem; border-radius: 6px;
	border: 1px solid var(--border); white-space: nowrap;
}
.exp-bullets { list-style: none; margin-top: .75rem; }
.exp-bullets li {
	color: #94a3b8; font-size: .875rem; padding: .2rem 0;
	padding-left: 1rem; position: relative;
}
.exp-bullets li::before {
	content: '›'; position: absolute; left: 0; color: var(--accent);
}
.exp-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.tag {
	padding: .2rem .65rem; border-radius: 6px;
	background: rgba(56,189,248,.08); border: 1px solid rgba(56,189,248,.15);
	color: var(--accent); font-size: .75rem; font-weight: 500;
}

/* ── Skills ── */
#skills { background: var(--surface); }
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.skill-category {
	background: var(--card); border: 1px solid var(--border);
	border-radius: var(--radius); padding: 1.5rem;
	transition: border-color .2s;
}
.skill-category:hover { border-color: rgba(56,189,248,.25); }
.skill-cat-header {
	display: flex; align-items: center; gap: .75rem; margin-bottom: 1.25rem;
}
.skill-icon {
	width: 36px; height: 36px; border-radius: 8px;
	display: flex; align-items: center; justify-content: center;
	font-size: .9rem;
}
.skill-icon.blue { background: rgba(56,189,248,.1); color: var(--accent); }
.skill-icon.purple { background: rgba(129,140,248,.1); color: var(--accent2); }
.skill-icon.green { background: rgba(52,211,153,.1); color: var(--green); }
.skill-icon.orange { background: rgba(251,146,60,.1); color: #fb923c; }
.skill-cat-name { font-weight: 600; font-size: .95rem; }
.skill-pills { display: flex; flex-wrap: wrap; gap: .5rem; }
.pill {
	padding: .3rem .75rem; border-radius: 20px;
	background: var(--bg); border: 1px solid var(--border);
	color: #94a3b8; font-size: .78rem;
	transition: border-color .2s, color .2s;
}
.pill:hover { border-color: var(--accent); color: var(--text); }

/* ── Certifications ── */
.certs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }
.cert-card {
	background: var(--card); border: 1px solid var(--border);
	border-radius: var(--radius); padding: 1.25rem;
	display: flex; gap: 1rem; align-items: flex-start;
	transition: border-color .2s, transform .2s;
}
.cert-card:hover { border-color: rgba(56,189,248,.3); transform: translateY(-2px); }
.cert-icon {
	width: 42px; height: 42px; border-radius: 8px;
	display: flex; align-items: center; justify-content: center;
	font-size: 1.1rem; flex-shrink: 0;
}
.cert-name { font-weight: 600; font-size: .88rem; line-height: 1.4; }
.cert-issuer { color: var(--muted); font-size: .78rem; margin-top: .2rem; }
.cert-date {
	margin-top: .4rem;
	font-family: 'JetBrains Mono', monospace;
	font-size: .72rem; color: var(--accent);
}

/* ── Projects ── */
#projects { background: var(--surface); }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; }
.project-card {
	background: var(--card); border: 1px solid var(--border);
	border-radius: var(--radius); padding: 1.75rem;
	transition: border-color .2s, transform .2s;
	position: relative; overflow: hidden;
}
.project-card::before {
	content: ''; position: absolute; top: 0; left: 0; right: 0;
	height: 2px; background: linear-gradient(90deg, var(--accent), var(--accent2));
	opacity: 0; transition: opacity .2s;
}
.project-card:hover { border-color: rgba(56,189,248,.25); transform: translateY(-3px); }
.project-card:hover::before { opacity: 1; }
.project-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1rem; }
.project-icon { font-size: 1.5rem; }
.project-links { display: flex; gap: .5rem; }
.project-link {
	color: var(--muted); font-size: .85rem; text-decoration: none;
	transition: color .2s;
}
.project-link:hover { color: var(--accent); }
.project-name { font-weight: 600; font-size: 1rem; margin-bottom: .5rem; }
.project-desc { color: #94a3b8; font-size: .875rem; line-height: 1.6; }
.project-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.25rem; }

/* ── Contact ── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 1rem; margin-top: 2rem; }
.contact-item {
	display: flex; align-items: center; gap: 1rem;
	padding: 1rem 1.25rem;
	background: var(--card); border: 1px solid var(--border);
	border-radius: var(--radius); text-decoration: none;
	color: var(--text); transition: border-color .2s, transform .2s;
}
.contact-item:hover { border-color: rgba(56,189,248,.3); transform: translateX(4px); }
.contact-item i { color: var(--accent); width: 18px; text-align: center; }
.contact-item-text .label { font-size: .75rem; color: var(--muted); }
.contact-item-text .val { font-size: .9rem; font-weight: 500; }
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group label { font-size: .8rem; color: var(--muted); font-weight: 500; }
.form-group input,
.form-group textarea {
	background: var(--card); border: 1px solid var(--border);
	border-radius: 8px; padding: .75rem 1rem;
	color: var(--text); font-family: 'Inter', sans-serif; font-size: .9rem;
	outline: none; transition: border-color .2s;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 120px; }
.btn-submit {
	padding: .85rem; border-radius: 8px;
	background: linear-gradient(135deg, var(--accent), var(--accent2));
	color: #fff; font-weight: 600; font-size: .9rem;
	border: none; cursor: pointer; transition: opacity .2s, transform .2s;
}
.btn-submit:hover { opacity: .9; transform: translateY(-1px); }

/* ── Footer ── */
footer {
	background: var(--surface);
	border-top: 1px solid var(--border);
	padding: 2rem; text-align: center;
}
.footer-inner { max-width: 1100px; margin: auto; display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.social-links { display: flex; gap: 1rem; }
.social-link {
	width: 40px; height: 40px; border-radius: 8px;
	background: var(--card); border: 1px solid var(--border);
	display: flex; align-items: center; justify-content: center;
	color: var(--muted); text-decoration: none; transition: all .2s;
}
.social-link:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
footer p { color: var(--muted); font-size: .82rem; }

/* ── Hamburger ── */
.nav-toggle {
	display: none;
	flex-direction: column; gap: 5px; cursor: pointer;
	background: none; border: none; padding: .25rem;
}
.nav-toggle span {
	display: block; width: 22px; height: 2px;
	background: var(--text); border-radius: 2px;
	transition: transform .3s, opacity .3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Tablet (481px – 1024px) ── */
@media (max-width: 1024px) and (min-width: 481px) {
	.hero-grid { grid-template-columns: 1fr; gap: 2.5rem; max-width: 680px; }
	.hero-visual { order: -1; }
	.hero-card { max-width: 420px; margin: auto; }
	.about-grid { grid-template-columns: 1fr; gap: 2rem; }
	.contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
	.skills-grid { grid-template-columns: repeat(2, 1fr); }
	.projects-grid { grid-template-columns: repeat(2, 1fr); }
	.certs-grid { grid-template-columns: repeat(2, 1fr); }
	section { padding: 5rem 2rem; }
}

/* ── Phone (≤480px) ── */
@media (max-width: 480px) {
	nav { padding: .875rem 1rem; }
	.nav-links {
		display: none; flex-direction: column; gap: 0;
		position: absolute; top: 100%; left: 0; right: 0;
		background: var(--surface); border-bottom: 1px solid var(--border);
		padding: .5rem 0;
	}
	.nav-links.open { display: flex; }
	.nav-links li a {
		display: block; padding: .75rem 1.5rem;
		font-size: .9rem; border-bottom: 1px solid var(--border);
	}
	.nav-links li:last-child a { border: none; }
	.nav-cta {
		margin: .5rem 1.5rem; border-radius: 8px;
		text-align: center; background: var(--accent) !important;
		color: var(--bg) !important;
	}
	.nav-toggle { display: flex; }

	.hero-grid { grid-template-columns: 1fr; gap: 2rem; }
	.hero-visual { order: -1; }
	.hero-card { max-width: 100%; font-size: .75rem; }
	.hero-actions { flex-direction: column; }
	.btn-primary, .btn-outline { justify-content: center; }

	.about-grid, .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
	.about-stats { grid-template-columns: 1fr 1fr; }
	.skills-grid { grid-template-columns: 1fr; }
	.projects-grid { grid-template-columns: 1fr; }
	.certs-grid { grid-template-columns: 1fr; }
	.form-row { grid-template-columns: 1fr; }

	section { padding: 3.5rem 1rem; }
	.section-title { font-size: 1.5rem; }
	.exp-meta { flex-direction: column; gap: .35rem; }
	.timeline { padding-left: 1.5rem; }
	.exp-dot { left: -1.9rem; }
}

/* ── Fade-in animation ── */
.fade-in {
	opacity: 0; transform: translateY(24px);
	transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible { opacity: 1; transform: none; }