:root {
  --bg: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --card: #f8fafc;
  --elev: #eef2ff;
  --ring: rgba(99,102,241,.35);
  --accent: #8b5cf6;
  --accent-2: #6366f1;
  --border: #e2e8f0;
  --shadow: 0 10px 30px rgba(2,6,23,.08);
}
html[data-theme="dark"] {
  --bg: #0b0f19;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --card: #0f172a;
  --elev: #111827;
  --ring: rgba(139,92,246,.45);
  --accent: #a78bfa;
  --accent-2: #818cf8;
  --border: #1f2937;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1100px, 92%); margin-inline: auto; }
.grid { display: grid; gap: 1.2rem; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: .6rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white; padding: .9rem 1.1rem; border-radius: .9rem; border: 0;
  font-weight: 600; letter-spacing: .3px; cursor: pointer;
  box-shadow: var(--shadow);
}
.btn:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; }
.btn.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* Header */
header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(140%) blur(8px);
  background: color-mix(in oklab, var(--bg) 75%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav { display:flex; align-items:center; justify-content: space-between; padding: .8rem 0; }
.brand { display:flex; align-items:center; gap:.65rem; font-weight: 800; letter-spacing: .2px; }
.brand .logo { width: 36px; height: 36px; display:grid; place-items:center; border-radius: .8rem; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: white; box-shadow: var(--shadow); }
nav ul { list-style: none; display:flex; gap: 1rem; padding:0; margin:0; align-items:center; }
nav a { padding:.55rem .7rem; border-radius: .55rem; border: 1px solid transparent; }
nav a:hover { background: var(--card); border-color: var(--border); }
.spacer { flex: 1; }

/* Language selector */
.lang-wrap { display: inline-flex; align-items: center; gap: .4rem; margin-right: .6rem; }
#lang-select {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: .6rem;
  padding: .45rem .6rem;
  font: inherit;
  cursor: pointer;
}

/* Theme */
.theme-toggle { border:1px solid var(--border); background: var(--card); border-radius: .8rem; padding: .35rem; line-height: 0; cursor: pointer; display: inline-flex; align-items:center; gap:.4rem; }
.theme-toggle svg { width: 22px; height: 22px; }

/* Hero */
.hero { padding: 5.5rem 0 3rem; }
.hero-wrap { display:grid; gap:2rem; grid-template-columns: 1.3fr 1fr; align-items:center; }
.hero h1 { font-size: clamp(2rem, 4vw, 3rem); line-height:1.1; margin:0 0 .6rem; }
.hero p { color: var(--muted); font-size: 1.05rem; margin: 0 0 1.2rem; }
.hero-card { background: radial-gradient(1200px 500px at -10% -10%, color-mix(in srgb, var(--accent), transparent 84%), transparent 60%), var(--card); padding: 1.3rem; border: 1px solid var(--border); border-radius: 1.2rem; }
.hero .cta { display:flex; gap:.8rem; flex-wrap: wrap; }

/* Sections */
section { padding: 4rem 0; }
.section-head { display:flex; align-items:end; justify-content: space-between; gap:1rem; margin-bottom: 1.6rem; }
.eyebrow { font-size:.85rem; font-weight:700; text-transform:uppercase; letter-spacing:.18em; background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip:text; background-clip:text; color: transparent; }
.section-title { font-size: clamp(1.4rem, 3vw, 2rem); margin: .2rem 0 0; }

/* About */
.about { grid-template-columns: 1.15fr 1fr; }
.about-card { background: var(--card); border: 1px solid var(--border); border-radius: 1rem; padding: 1.2rem; box-shadow: var(--shadow); }
.about ul { margin: 0; padding-left: 1rem; color: var(--muted); }

/* About – profile */
.profile {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0 0 1rem 0;
}
.profile img {
  width: 96px;
  height: 96px;
  border-radius: 999px;
  object-fit: cover;
  border: 2px solid var(--border);
  box-shadow: var(--shadow);
  background: #fff;
}
.profile figcaption {
  line-height: 1.2;
}
.profile strong {
  font-size: 1.05rem;
}
@media (max-width: 720px) {
  .profile img { width: 84px; height: 84px; }
}
/* Skills */
.skills-grid { grid-template-columns: repeat(3, 1fr); }
.skill { background: var(--card); border:1px solid var(--border); padding: 1rem; border-radius: .9rem; }
.skill h4 { margin:.1rem 0 .6rem; }
.bar { height: 10px; background: color-mix(in srgb, var(--muted) 22%, transparent); border-radius: 999px; overflow: hidden; }
.bar > span { display: block; height:100%; width: var(--pct); background: linear-gradient(90deg, var(--accent), var(--accent-2)); }

/* Services */
.services { grid-template-columns: repeat(3, 1fr); }
.card { background: var(--card); border:1px solid var(--border); padding: 1.1rem; border-radius: 1rem; box-shadow: var(--shadow); }
.card .icon { width: 42px; height: 42px; border-radius: .8rem; display:grid; place-items:center; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: white; margin-bottom: .8rem; }

/* Portfolio grid */
.portfolio { grid-template-columns: repeat(2, 1fr); }
.project { background: var(--card); border:1px solid var(--border); border-radius: 1rem; overflow:hidden; box-shadow: var(--shadow); display:flex; flex-direction:column; }
.project .media { aspect-ratio: 16 / 9; background: #000; }
.project iframe, .project video { width:100%; height:100%; display:block; border:0; }
.project .content { padding: .9rem 1rem 1.1rem; }
.project h4 { margin: .1rem 0 .3rem; }
.project p { margin: 0; color: var(--muted); font-size: .98rem; }

/* Slideshow */
.slider {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 1.2rem;
}
.slides { display: flex; transition: transform .45s ease; will-change: transform; }
@media (prefers-reduced-motion: reduce) { .slides { transition: none; } }
.slide { min-width: 100%; display: grid; grid-template-rows: auto 1fr; background: var(--card); }
.slide .media { aspect-ratio: 16 / 9; background: #000; position: relative; }
.slide .content { padding: .9rem 1rem 1.1rem; border-top: 1px solid var(--border); }

/* Crop slideshow media */
#featured-slider .media { aspect-ratio: 16 / 9; position: relative; }
#featured-slider .media > img,
#featured-slider .media > video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* Mobile: taller frame */
@media (max-width: 720px) {
  #featured-slider .media { aspect-ratio: 4 / 5; }
}

/* Slideshow buttons — white pills with dark arrows */
.slider-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  border: 1px solid var(--border);
  background: #ffffff; color: #0f172a;
  box-shadow: var(--shadow);
  padding: .6rem; border-radius: .8rem;
  cursor: pointer; line-height: 0;
}
.slider-btn:hover { background: #ffffff; filter: brightness(0.98); }
.slider-btn:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; }
.slider-btn.prev { left: .7rem; }
.slider-btn.next { right: .7rem; }
.slider-btn svg { width: 22px; height: 22px; }

.dots { position: absolute; bottom: .6rem; left: 0; right: 0; display: flex; gap: .35rem; justify-content: center; }
.dot {
  width: 9px; height: 9px; border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--muted) 18%, transparent);
}
.dot[aria-current="true"] {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
}

/* Contact */
form { display:grid; gap: .9rem; }
.field { display:grid; gap:.35rem; }
label { font-weight: 600; font-size:.95rem; }
input[type="text"], input[type="email"], textarea, select {
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border);
  border-radius: .7rem; padding: .8rem .9rem; font: inherit;
}
textarea { min-height: 140px; resize: vertical; }
.muted { color: var(--muted); font-size:.95rem; }
.success, .error { padding:.9rem 1rem; border-radius:.8rem; display:none; }
.success { background: color-mix(in srgb, #22c55e 20%, transparent); border:1px solid color-mix(in srgb, #22c55e 35%, transparent); color:#16a34a; }
.error { background: color-mix(in srgb, #ef4444 20%, transparent); border:1px solid color-mix(in srgb, #ef4444 35%, transparent); color:#b91c1c; }

/* Footer */
footer { padding: 2.4rem 0 3rem; border-top: 1px solid var(--border); color: var(--muted); }
.footer-actions { display:flex; gap:.8rem; flex-wrap: wrap; align-items:center; }

/* Modal (Terms & Conditions) */
.modal-overlay {
  position: fixed; inset: 0;
  background: color-mix(in oklab, #000 60%, transparent);
  display: none; align-items: center; justify-content: center;
  padding: 1rem; z-index: 1000;
}
.modal-overlay[open] { display: flex; }
.modal {
  width: min(760px, 96vw); max-height: 85vh;
  background: var(--card); color: var(--text);
  border: 1px solid var(--border); border-radius: 1rem; box-shadow: var(--shadow);
  display: flex; flex-direction: column; overflow: hidden;
}
.modal-header {
  display:flex; align-items:center; justify-content: space-between; gap: .8rem;
  padding: 1rem 1.1rem; border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, color-mix(in oklab, var(--elev), transparent 50%), transparent);
}
.modal-title { margin: 0; font-size: 1.1rem; }
.modal-body { padding: 1rem 1.1rem; overflow: auto; }
.modal-body h4 { margin: 1rem 0 .4rem; }
.modal-close {
  border: 1px solid var(--border); background: #ffffff; color: var(--text);
  border-radius: .6rem; padding: .45rem; line-height: 0; cursor: pointer;
}
.modal-close:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; }
.linklike {
  border: 1px solid var(--border); background: var(--card); color: var(--text);
  padding: .5rem .7rem; border-radius: .6rem; cursor: pointer;
}
.linklike:hover { background: color-mix(in srgb, var(--muted) 8%, transparent); }
.linklike:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; }

/* Responsive */
@media (max-width: 980px) {
  .hero-wrap, .about { grid-template-columns: 1fr; }
  .services { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .portfolio { grid-template-columns: 1fr; }
  nav ul { gap:.4rem; }
  nav a { padding:.45rem .55rem; }
  .brand .logo { width: 32px; height: 32px; }
}