/* =========================================================
   Let's Get to Know Me - Premium Portfolio Stylesheet
   Built with CSS variables, reusable classes, responsive
   layouts, glassmorphism, gradients, and smooth animation.
   ========================================================= */

:root {
  --primary: #6c63ff;
  --accent: #8b5cf6;
  --secondary: #a78bfa;
  --bg: #09090b;
  --card: #18181b;
  --text: #f8fafc;
  --muted: #a1a1aa;
  --line: rgba(255, 255, 255, 0.1);
  --glass: rgba(24, 24, 27, 0.68);
  --radius: 18px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --transition: 280ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, rgba(108, 99, 255, 0.22), transparent 34rem), var(--bg);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
button { border: 0; cursor: pointer; }

.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 110px 0; position: relative; }
.section--tinted { background: linear-gradient(180deg, transparent, rgba(108, 99, 255, 0.045), transparent); }
.section-heading { max-width: 760px; margin-bottom: 48px; }
.section-heading h2 { font-size: clamp(2rem, 5vw, 3.6rem); line-height: 1.05; letter-spacing: -0.055em; }
.eyebrow { color: var(--secondary); font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 16px; font-size: 0.78rem; }
.gradient-text { background: linear-gradient(120deg, var(--text), var(--secondary), var(--primary)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.glass-card { background: linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03)); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); backdrop-filter: blur(18px); }

.loader { position: fixed; inset: 0; z-index: 9999; display: grid; place-items: center; gap: 18px; align-content: center; background: var(--bg); transition: opacity .6s ease, visibility .6s ease; }
.loader.hidden { opacity: 0; visibility: hidden; }
.loader__orb { width: 74px; height: 74px; border-radius: 50%; background: conic-gradient(from 180deg, var(--primary), var(--accent), transparent, var(--primary)); animation: spin 1s linear infinite; }
.loader__orb::after { content: ""; display: block; width: 50px; height: 50px; margin: 12px; border-radius: inherit; background: var(--bg); }
@keyframes spin { to { transform: rotate(1turn); } }

.scroll-progress { position: fixed; left: 0; top: 0; z-index: 2000; height: 3px; width: 0; background: linear-gradient(90deg, var(--primary), var(--secondary)); box-shadow: 0 0 20px var(--primary); }
.cursor-dot, .cursor-ring { position: fixed; top: 0; left: 0; z-index: 9998; pointer-events: none; border-radius: 50%; transform: translate(-50%, -50%); }
.cursor-dot { width: 7px; height: 7px; background: var(--secondary); }
.cursor-ring { width: 34px; height: 34px; border: 1px solid rgba(167, 139, 250, .55); transition: width var(--transition), height var(--transition), border-color var(--transition); }
.cursor-ring.hover { width: 54px; height: 54px; border-color: var(--primary); }

.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(9, 9, 11, .72); backdrop-filter: blur(22px); border-bottom: 1px solid var(--line); }
.navbar { height: 78px; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 12px; font-weight: 900; letter-spacing: -0.04em; }
.logo__mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: linear-gradient(135deg, var(--primary), var(--accent)); }
.nav-menu { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-link { position: relative; color: var(--muted); font-weight: 700; font-size: .92rem; transition: color var(--transition); }
.nav-link::after { content: ""; position: absolute; left: 0; bottom: -9px; width: 100%; height: 2px; transform: scaleX(0); transform-origin: right; background: var(--secondary); transition: transform var(--transition); }
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); transform-origin: left; }
.nav-toggle { display: none; width: 44px; height: 44px; background: var(--card); border-radius: 14px; }
.nav-toggle span { display: block; width: 20px; height: 2px; margin: 5px auto; background: var(--text); transition: var(--transition); }

.hero { min-height: calc(100vh - 78px); display: grid; align-items: center; overflow: hidden; }
.hero__gradient { position: absolute; inset: -20%; background: radial-gradient(circle at 25% 20%, rgba(108,99,255,.32), transparent 25%), radial-gradient(circle at 75% 40%, rgba(139,92,246,.22), transparent 28%); filter: blur(20px); animation: drift 12s ease-in-out infinite alternate; }
@keyframes drift { to { transform: translate3d(4%, -3%, 0) scale(1.08); } }
.hero__grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.hero h1 { font-size: clamp(3.2rem, 8vw, 7.1rem); line-height: .9; letter-spacing: -0.08em; margin-bottom: 24px; }
.hero__tagline { font-size: clamp(1.2rem, 3vw, 1.8rem); font-weight: 800; margin-bottom: 18px; }
.typing-caret { color: var(--secondary); animation: blink .75s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero__description { color: var(--muted); max-width: 620px; font-size: 1.08rem; line-height: 1.8; margin-bottom: 32px; }
.button-group { display: flex; flex-wrap: wrap; gap: 16px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 24px; border-radius: 999px; font-weight: 900; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); }
.btn:hover { transform: translateY(-4px); }
.btn--primary { background: linear-gradient(135deg, var(--primary), var(--accent)); box-shadow: 0 16px 48px rgba(108, 99, 255, .32); }
.btn--ghost { border: 1px solid var(--line); background: rgba(255, 255, 255, .045); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 36px; max-width: 520px; }
.stat { padding: 18px; }
.stat strong { display: block; font-size: 2rem; }
.stat span { color: var(--muted); font-size: .86rem; }
.profile-card { position: relative; padding: 14px; animation: float 5s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-18px); } }
.profile-card img, .about-image img { width: 100%; border-radius: calc(var(--radius) - 6px); object-fit: cover; }
.profile-card__badge { position: absolute; right: 28px; bottom: 28px; padding: 12px 16px; border-radius: 999px; background: rgba(9,9,11,.72); border: 1px solid var(--line); font-weight: 800; }
.scroll-indicator { position: absolute; left: 50%; bottom: 28px; width: 30px; height: 48px; border: 1px solid var(--line); border-radius: 999px; transform: translateX(-50%); }
.scroll-indicator span { position: absolute; left: 50%; top: 10px; width: 5px; height: 5px; border-radius: 50%; background: var(--secondary); animation: scrollCue 1.5s infinite; }
@keyframes scrollCue { to { transform: translate(-50%, 20px); opacity: 0; } from { transform: translate(-50%, 0); opacity: 1; } }

.about-grid, .contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 42px; align-items: center; }
.about-content > p { color: var(--muted); font-size: 1.05rem; line-height: 1.9; margin-bottom: 24px; }
.info-grid, .card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.info-card, .interest-card { padding: 24px; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); }
.info-card:hover, .interest-card:hover, .contact-card:hover, .gallery-item:hover { transform: translateY(-8px); border-color: rgba(167,139,250,.45); box-shadow: 0 24px 80px rgba(108,99,255,.16); }
.info-card span, .interest-card span { font-size: 2rem; }
.info-card h3, .interest-card h3 { margin: 14px 0 8px; }
.info-card p, .interest-card p { color: var(--muted); line-height: 1.65; }

.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.skill { padding: 22px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.skill > div:first-child { display: flex; justify-content: space-between; margin-bottom: 13px; font-weight: 800; }
.skill-bar { height: 12px; border-radius: 999px; overflow: hidden; background: rgba(255,255,255,.08); }
.skill-bar span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--primary), var(--secondary)); transition: width 1.35s cubic-bezier(.2,.8,.2,1); }

.timeline { position: relative; max-width: 860px; margin: 0 auto; }
.timeline::before { content: ""; position: absolute; top: 0; bottom: 0; left: 18px; width: 2px; background: linear-gradient(var(--primary), var(--accent)); }
.timeline-item { position: relative; display: grid; grid-template-columns: 54px 1fr; margin-bottom: 28px; }
.timeline-item > span { z-index: 1; width: 38px; height: 38px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); box-shadow: 0 0 0 8px rgba(108,99,255,.12); }
.timeline-item .glass-card { padding: 28px; }
.timeline-item p { color: var(--muted); line-height: 1.75; margin-top: 10px; }

.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 220px; gap: 18px; }
.gallery-item { overflow: hidden; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); transition: transform var(--transition), box-shadow var(--transition); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 500ms ease; }
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item.tall { grid-row: span 2; }
.gallery-item.wide { grid-column: span 2; }
.lightbox { position: fixed; inset: 0; z-index: 3000; display: grid; place-items: center; padding: 28px; background: rgba(0,0,0,.82); opacity: 0; visibility: hidden; transition: var(--transition); }
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox img { max-height: 84vh; border-radius: var(--radius); box-shadow: var(--shadow); }
.lightbox button { position: absolute; top: 24px; right: 24px; width: 48px; height: 48px; border-radius: 50%; color: var(--text); background: var(--card); font-size: 2rem; }

.contact-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.contact-card { display: grid; gap: 6px; padding: 20px; transition: var(--transition); }
.contact-card span { color: var(--muted); }
.contact-form { padding: 28px; display: grid; gap: 18px; }
.contact-form label { display: grid; gap: 8px; color: var(--muted); font-weight: 700; }
.contact-form input, .contact-form textarea { width: 100%; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.055); color: var(--text); padding: 14px 16px; outline: 0; resize: vertical; transition: border-color var(--transition), box-shadow var(--transition); }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--secondary); box-shadow: 0 0 0 4px rgba(167,139,250,.12); }
.form-message { min-height: 24px; color: var(--secondary); font-weight: 800; }

.footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer__socials { display: flex; gap: 18px; }
.footer__socials a:hover { color: var(--secondary); }
.back-to-top { position: fixed; right: 22px; bottom: 22px; z-index: 1200; width: 48px; height: 48px; border-radius: 50%; color: var(--text); background: linear-gradient(135deg, var(--primary), var(--accent)); box-shadow: 0 14px 36px rgba(108,99,255,.35); opacity: 0; visibility: hidden; transform: translateY(12px); transition: var(--transition); }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .75s ease, transform .75s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 940px) {
  .nav-toggle { display: block; }
  .nav-menu { position: fixed; top: 78px; left: 20px; right: 20px; flex-direction: column; align-items: stretch; gap: 0; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(24,24,27,.96); transform: translateY(-18px); opacity: 0; visibility: hidden; transition: var(--transition); }
  .nav-menu.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-menu a { display: block; padding: 14px; }
  .hero__grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 50px; }
  .info-grid, .card-grid, .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1120px); }
  .section { padding: 78px 0; }
  .stats, .info-grid, .card-grid, .skills-grid, .contact-cards { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 260px; }
  .gallery-item.tall, .gallery-item.wide { grid-row: span 1; grid-column: span 1; }
  .footer__inner { flex-direction: column; text-align: center; }
  .cursor-dot, .cursor-ring { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}