:root {
  --bg: #f9fafb;
  --card: #ffffff;
  --accent: #0b5fff;
  --text: #222;
  --muted: #666;
  --shadow: 0 8px 28px rgba(20, 20, 40, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    Arial;
  color: var(--text);
  background: var(--bg);
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px;
}

.site-header {
  background: linear-gradient(90deg, #fff, #f6f8ff);
  border-bottom: 1px solid #e6e9ef;
  padding: 28px 0;
  text-align: center;
}

.site-header h1 {
  margin: 0;
  font-size: 28px;
}
.tagline {
  margin: 6px 0 0;
  color: #555;
}

.top-links {
  margin-top: 10px;
}
.top-links a {
  margin: 0 10px;
  text-decoration: none;
  color: var(--accent);
  font-weight: 600;
}

/* SECTIONS */
#projects h2,
#about h2 {
  margin-top: 32px;
  font-size: 20px;
}
#about p {
  line-height: 1.55;
  color: #333;
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 18px;
}

/* CARD */
.card {
  background: var(--card);
  border-radius: 10px;
  padding: 14px;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(20, 20, 40, 0.09);
}

.card h3 {
  margin: 0 0 6px 0;
  font-size: 17px;
}

/* MOCKUP - browser frame */
.mock-browser {
  background: #f3f5f9;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #e6e9ef;
  position: relative;
  overflow: hidden;
  display: block;
}

.mock-browser:before {
  content: "";
  height: 12px;
  display: block;
  background: linear-gradient(90deg, #eee, #fff);
  margin-bottom: 8px;
  border-radius: 6px;
}

/* mock image inside */
.mock-browser img {
  width: 100%;
  height: 180px;
  object-fit: contain;
  display: block;
  border-radius: 6px;
}

/* MOCKUP - phone frame */
.mock-phone {
  width: 220px;
  max-width: 100%;
  margin: 6px 0;
  border-radius: 28px;
  padding: 12px;
  background: #111;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.mock-phone img {
  width: 160px;
  height: 320px;
  object-fit: cover;
  border-radius: 18px;
  background: white;
}

/* live demo link */
.live a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}
.live a:hover {
  text-decoration: underline;
}

/* card paragraphs */
.card p {
  margin: 0;
  color: #444;
  font-size: 14px;
  line-height: 1.45;
}

/* links */
.card-links {
  margin-top: auto;
}
.card-links a {
  display: inline-block;
  padding: 8px 12px;
  margin-right: 8px;
  border-radius: 8px;
  text-decoration: none;
  border: 1px solid #e6e9ef;
  font-size: 13px;
  color: #333;
}
.card-links a:first-child {
  color: var(--accent);
}

/* FOOTER */
.site-footer {
  padding: 22px 0;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  margin-top: 26px;
}

/* ------------- SLIDER BASE ------------- */
.card-featured .slider {
  --h: 220px;
  display: block;
  position: relative;
  margin-bottom: 8px;
}

/* hide native radios visually */
.card-featured .slider input[type="radio"] {
  position: absolute;
  left: -9999px;
}

/* slides container */
.card-featured .slides {
  width: 100%;
  height: var(--h);
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  border: 1px solid #e6e9ef;
}

/* each slide */
.card-featured .slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateX(8%);
  transition: all 0.45s cubic-bezier(0.2, 0.9, 0.3, 1);
  display: flex;
  justify-content: center;
  align-items: center;
}
.card-featured .slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* show slide based on checked radio */
#buffet-1:checked ~ .slides .slide:nth-child(1),
#buffet-2:checked ~ .slides .slide:nth-child(2),
#buffet-3:checked ~ .slides .slide:nth-child(3),
#buffet-4:checked ~ .slides .slide:nth-child(4),
#buffet-5:checked ~ .slides .slide:nth-child(5),
#buffet-6:checked ~ .slides .slide:nth-child(6),
#buffet-7:checked ~ .slides .slide:nth-child(7) {
  opacity: 1;
  transform: translateX(0);
  z-index: 2;
}

#fitness-1:checked ~ .slides .slide:nth-child(1),
#fitness-2:checked ~ .slides .slide:nth-child(2),
#fitness-3:checked ~ .slides .slide:nth-child(3) {
  opacity: 1;
  transform: translateX(0);
  z-index: 2;
}

/* ---------- CONTROLS: left | dots | right ---------- */
.card-featured .controls {
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
  z-index: 20;
}

/* left / right wrappers (fixed width) */
.card-featured .controls .left,
.card-featured .controls .right {
  width: 48px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
}

/* dots centered */
.card-featured .controls .dots {
  flex: 1;
  display: flex;
  justify-content: center;
  gap: 8px;
}

/* dots style */
.card-featured .controls .dots label {
  width: 10px;
  height: 10px;
  background: #d6dbe6;
  border-radius: 50%;
  display: inline-block;
  cursor: pointer;
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: background 0.18s;
}

/* show active dot by mapping checked radio -> nth-child */
#buffet-1:checked ~ .controls .dots label:nth-child(1),
#buffet-2:checked ~ .controls .dots label:nth-child(2),
#buffet-3:checked ~ .controls .dots label:nth-child(3),
#buffet-4:checked ~ .controls .dots label:nth-child(4),
#buffet-5:checked ~ .controls .dots label:nth-child(5),
#buffet-6:checked ~ .controls .dots label:nth-child(6),
#buffet-7:checked ~ .controls .dots label:nth-child(7) {
  background: var(--accent);
}
#fitness-1:checked ~ .controls .dots label:nth-child(1),
#fitness-2:checked ~ .controls .dots label:nth-child(2),
#fitness-3:checked ~ .controls .dots label:nth-child(3) {
  background: var(--accent);
}

/* left/right arrow labels hidden by default; only the correct one shown via checked selectors */
.card-featured .controls .left label,
.card-featured .controls .right label {
  display: none;
  background: rgba(255, 255, 255, 0.92);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 18px;
  cursor: pointer;
  border: 1px solid #e6e9ef;
  user-select: none;
}

/* Buffet arrows: show appropriate pair for each checked state */
#buffet-1:checked ~ .controls .left .l1,
#buffet-1:checked ~ .controls .right .r1 {
  display: inline-flex;
}

#buffet-2:checked ~ .controls .left .l2,
#buffet-2:checked ~ .controls .right .r2 {
  display: inline-flex;
}

#buffet-3:checked ~ .controls .left .l3,
#buffet-3:checked ~ .controls .right .r3 {
  display: inline-flex;
}

#buffet-4:checked ~ .controls .left .l4,
#buffet-4:checked ~ .controls .right .r4 {
  display: inline-flex;
}

#buffet-5:checked ~ .controls .left .l5,
#buffet-5:checked ~ .controls .right .r5 {
  display: inline-flex;
}

#buffet-6:checked ~ .controls .left .l6,
#buffet-6:checked ~ .controls .right .r6 {
  display: inline-flex;
}

#buffet-7:checked ~ .controls .left .l7,
#buffet-7:checked ~ .controls .right .r7 {
  display: inline-flex;
}

/* Fitness arrows */
#fitness-1:checked ~ .controls .left .fl1,
#fitness-1:checked ~ .controls .right .fr1 {
  display: inline-flex;
}

#fitness-2:checked ~ .controls .left .fl2,
#fitness-2:checked ~ .controls .right .fr2 {
  display: inline-flex;
}

#fitness-3:checked ~ .controls .left .fl3,
#fitness-3:checked ~ .controls .right .fr3 {
  display: inline-flex;
}

/* responsive tweaks */
@media (max-width: 720px) {
  .mock-browser img {
    height: 150px;
  }
  .card-featured .slides {
    height: 160px;
  }
}
@media (max-width: 520px) {
  .site-header h1 {
    font-size: 20px;
  }
  .mock-browser img {
    height: 120px;
  }
  .mock-phone img {
    width: 120px;
    height: 260px;
    border-radius: 14px;
  }
  .card-featured .controls .left,
  .card-featured .controls .right {
    width: 36px;
  }
  .card-featured .controls .dots label {
    width: 9px;
    height: 9px;
  }
}