:root {
  --yellow: #f3c623;
  --yellow-soft: #ffe39a;
  --black: #111111;
  --black-soft: #1a1a1a;
  --cream: #f8f3e7;
  --text: rgba(255, 246, 218, 0.84);
  --border: rgba(255, 255, 255, 0.1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, sans-serif;
  background: linear-gradient(180deg, #0d0d0d 0%, #151515 50%, #0b0b0b 100%);
  color: #fff;
  overflow-x: hidden;
}

button, input, textarea { font: inherit; }
button { cursor: pointer; }

.site-shell {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 64px;
}

.topbar,
.card {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.02));
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.28);
}

.topbar {
  position: sticky;
  top: 16px;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  border-radius: 18px;
  padding: 14px 18px;
  backdrop-filter: blur(18px);
}

.brand,
.brand-button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-weight: 700;
  letter-spacing: .04em;
  background: transparent;
  border: 0;
  padding: 0;
}
.brand img { width: 38px; height: 38px; border-radius: 0; }

nav { display: flex; gap: 10px; flex-wrap: wrap; }
nav button {
  color: rgba(255,255,255,.8);
  background: transparent;
  border: 0;
  padding: 8px 10px;
}

.viewport {
  display: flex;
  width: 200%;
  transform: translateX(0);
  transition: transform .7s cubic-bezier(.22,1,.36,1);
  will-change: transform;
  margin-top: 28px;
}

body.portfolio-open .viewport { transform: translateX(-50%); }

.panel {
  width: 50%;
  flex: 0 0 50%;
  padding-right: 24px;
}
.portfolio-panel { padding-left: 24px; padding-right: 0; }

main,
.portfolio-panel {
  display: grid;
  gap: 24px;
}

.card { border-radius: 28px; }
.hero {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 28px;
  padding: 42px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--yellow);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1, h2, h3 { margin: 0 0 16px; line-height: 1.05; color: var(--cream); }
h1 { font-size: clamp(2.8rem, 6vw, 5.1rem); max-width: 8ch; }
h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); }
h3 { font-size: 1.2rem; }

.lead,
.service-card p,
.about-text p,
.contact-card p,
.portfolio-card p {
  color: var(--text);
  line-height: 1.75;
  font-size: 1rem;
}
.lead.small { max-width: 52ch; }

.actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 28px 0 24px; }
.btn,
.link-button {
  min-height: 50px;
  padding: 14px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  border: 0;
}
.btn-primary { background: var(--yellow); color: var(--black); }
.btn-secondary, .link-button {
  color: #fff;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.02);
}

.highlights { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.highlights li { display: flex; align-items: center; gap: 12px; color: var(--text); }
.highlights li::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 0 6px rgba(243,198,35,.12);
}

.hero-visual { position: relative; min-height: 560px; }
.hero-image {
  position: absolute;
  border-radius: 28px;
  border: 1px solid var(--border);
  background-size: cover;
  background-position: center;
}
.hero-image-main {
  inset: 0 36px 120px 0;
  background-image: linear-gradient(rgba(17,17,17,.16), rgba(17,17,17,.42)), url('https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=1400&q=80');
}
.hero-image-secondary {
  inset: 210px 0 0 140px;
  background-image: linear-gradient(rgba(243,198,35,.15), rgba(17,17,17,.34)), url('https://images.unsplash.com/photo-1464822759023-fed622ff2c3b?auto=format&fit=crop&w=1400&q=80');
}
.quote-box {
  position: absolute; left: 24px; bottom: 24px; width: min(320px, calc(100% - 48px));
  padding: 20px; border-radius: 22px; border: 1px solid var(--border);
  background: rgba(19,19,19,.88); backdrop-filter: blur(16px);
}
.quote-box span { display: block; font-size: 3rem; line-height: 1; color: var(--yellow); }
.quote-box p { color: var(--text); line-height: 1.6; }

.services-grid,
.about-card,
.contact-card,
.portfolio-grid {
  display: grid;
  gap: 24px;
}
.services-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
.service-card, .about-card, .contact-card, .portfolio-head { padding: 34px; }
.accent-card { background: linear-gradient(180deg, rgba(243,198,35,.12), rgba(243,198,35,.03)); }
.about-card, .contact-card { grid-template-columns: repeat(2, minmax(0,1fr)); }
.contact-links {
  display: grid; gap: 14px; align-content: start; padding: 22px; border-radius: 22px;
  background: rgba(255,255,255,.03);
}
.contact-links a, .contact-links p { margin: 0; color: var(--cream); text-decoration: none; }

.portfolio-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
}
.back-button { white-space: nowrap; }
.portfolio-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
.portfolio-card {
  overflow: hidden;
}
.portfolio-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: #222;
}
.portfolio-card div { padding: 22px; }

@media (max-width: 1100px) {
  .panel { padding-right: 14px; }
  .portfolio-panel { padding-left: 14px; }
}

@media (max-width: 980px) {
  .viewport {
    width: 100%;
    display: block;
    transform: none !important;
  }
  .panel, .portfolio-panel { width: 100%; padding: 0; }
  .portfolio-panel { display: none; margin-top: 24px; }
  body.portfolio-open .home-panel { display: none; }
  body.portfolio-open .portfolio-panel { display: grid; }

  .hero, .services-grid, .about-card, .contact-card, .portfolio-grid, .portfolio-head {
    grid-template-columns: 1fr;
  }
  .hero { padding: 28px; }
  .hero-visual { min-height: 420px; }
  .hero-image-main { inset: 0 18px 120px 0; }
  .hero-image-secondary { inset: 180px 0 0 110px; }
}

@media (max-width: 640px) {
  .site-shell { width: min(100% - 20px, 1240px); padding-top: 12px; }
  .topbar { position: static; }
  nav { display: none; }
  .hero, .service-card, .about-card, .contact-card, .portfolio-head { padding: 22px; }
  .hero-visual { min-height: 340px; }
  .hero-image-main { inset: 0 0 110px 0; }
  .hero-image-secondary { inset: 160px 0 0 85px; }
}