@import url("./tokens.css");

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--tgk-oil);
  color: var(--tgk-ink);
  line-height: 1.55;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* Nav */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(13, 13, 13, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--tgk-oil-line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--tgk-gold);
}

.brand-text span {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tgk-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  font-size: 0.92rem;
  color: var(--tgk-muted);
}

.nav-links a:hover {
  color: var(--tgk-gold);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--tgk-gold);
  color: var(--tgk-oil) !important;
  background: var(--tgk-gold);
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: transform 0.25s ease, background 0.25s ease;
}

.nav-cta:hover {
  transform: translateY(-1px);
  background: #ffe44d;
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--tgk-oil-line);
  background: transparent;
  color: var(--tgk-gold);
  cursor: pointer;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  padding: 7rem 0 4.5rem;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: hero-zoom 18s ease-in-out infinite alternate;
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(13, 13, 13, 0.35) 0%, rgba(13, 13, 13, 0.55) 42%, rgba(13, 13, 13, 0.96) 100%),
    radial-gradient(ellipse at 70% 20%, rgba(255, 215, 0, 0.16), transparent 50%);
}

.hero-copy {
  max-width: 40rem;
}

.hero-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  animation: rise 0.9s ease both;
}

.hero-brand img {
  width: 72px;
  height: 72px;
  filter: drop-shadow(0 0 24px rgba(255, 215, 0, 0.35));
}

.hero-brand-name {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 8vw, 5rem);
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--tgk-gold);
  line-height: 0.95;
}

.hero-brand-tag {
  margin-top: 0.35rem;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--tgk-muted);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 0.9rem;
  animation: rise 0.9s ease 0.12s both;
}

.hero p {
  color: var(--tgk-muted);
  font-size: 1.05rem;
  max-width: 34rem;
  margin-bottom: 1.8rem;
  animation: rise 0.9s ease 0.22s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  animation: rise 0.9s ease 0.32s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.35rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--tgk-gold);
  color: var(--tgk-oil);
}

.btn-primary:hover {
  background: #ffe44d;
}

.btn-ghost {
  border-color: var(--tgk-oil-line);
  color: var(--tgk-ink);
  background: rgba(13, 13, 13, 0.35);
}

.btn-ghost:hover {
  border-color: var(--tgk-gold);
  color: var(--tgk-gold);
}

/* Sections */
section {
  padding: 5.5rem 0;
}

.section-head {
  max-width: 38rem;
  margin-bottom: 2.75rem;
}

.section-head .eyebrow {
  display: inline-block;
  margin-bottom: 0.7rem;
  color: var(--tgk-gold);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 0.8rem;
}

.section-head p {
  color: var(--tgk-muted);
}

.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.value {
  padding: 1.6rem 0;
  border-top: 1px solid var(--tgk-oil-line);
}

.value svg {
  width: 42px;
  height: 42px;
  margin-bottom: 1.1rem;
  stroke: var(--tgk-gold);
  fill: none;
  stroke-width: 1.5;
}

.value h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.55rem;
}

.value p {
  color: var(--tgk-muted);
  font-size: 0.95rem;
}

.stations-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.station {
  position: relative;
  padding: 1.75rem;
  background:
    linear-gradient(145deg, rgba(255, 215, 0, 0.06), transparent 55%),
    var(--tgk-oil-elevated);
  border: 1px solid var(--tgk-oil-line);
  overflow: hidden;
}

.station::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--tgk-gold), transparent);
}

.station h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: 0.4rem;
}

.station p {
  color: var(--tgk-muted);
  font-size: 0.95rem;
}

.station .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.2rem;
}

.chip {
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--tgk-oil-line);
  color: var(--tgk-gold);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.fuels {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.fuel-list {
  display: grid;
  gap: 0.85rem;
}

.fuel-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--tgk-oil-line);
}

.fuel-row strong {
  font-family: var(--font-display);
  letter-spacing: 0.06em;
}

.fuel-row span {
  color: var(--tgk-muted);
  font-size: 0.9rem;
}

.fuels-visual {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  border: 1px solid var(--tgk-oil-line);
}

.fuels-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 360px;
}

.articles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.article {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--tgk-oil-line);
  padding-top: 1.25rem;
  transition: transform 0.3s ease;
}

.article:hover {
  transform: translateY(-4px);
}

.article-cover {
  margin-bottom: 1rem;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--tgk-oil-line);
}

.article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.article:hover .article-cover img {
  transform: scale(1.05);
}

.article time {
  color: var(--tgk-gold);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0.55rem 0;
}

.article p {
  color: var(--tgk-muted);
  font-size: 0.95rem;
  flex: 1;
}

.article .more {
  margin-top: 1rem;
  color: var(--tgk-gold);
  font-weight: 600;
  font-size: 0.9rem;
}

.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.contact-panel {
  padding: 2rem;
  background: var(--tgk-oil-elevated);
  border: 1px solid var(--tgk-oil-line);
}

.contact-panel a.mail {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--tgk-gold);
}

.contact form {
  display: grid;
  gap: 0.85rem;
}

.contact label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--tgk-muted);
}

.contact input,
.contact textarea {
  width: 100%;
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--tgk-oil-line);
  background: var(--tgk-oil);
  color: var(--tgk-ink);
  font: inherit;
}

.contact input:focus,
.contact textarea:focus {
  outline: 1px solid var(--tgk-gold);
  border-color: var(--tgk-gold);
}

.contact textarea {
  min-height: 140px;
  resize: vertical;
}

.site-footer {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--tgk-oil-line);
  color: var(--tgk-muted);
  font-size: 0.9rem;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.footer-brand {
  color: var(--tgk-gold);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.08em;
}

/* Article page */
.article-page {
  padding: 8rem 0 4rem;
}

.article-page .lead {
  color: var(--tgk-muted);
  font-size: 1.1rem;
  margin: 1rem 0 2rem;
}

.article-page .cover {
  margin: 0 0 2rem;
  border: 1px solid var(--tgk-oil-line);
  overflow: hidden;
  max-height: 420px;
}

.article-page .cover img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.article-page .prose {
  max-width: 42rem;
  display: grid;
  gap: 1rem;
  color: #cfcfc6;
}

.article-page .prose h2 {
  font-family: var(--font-display);
  color: var(--tgk-ink);
  margin-top: 1rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes hero-zoom {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.06);
  }
}

@media (max-width: 900px) {
  .values,
  .articles,
  .stations-grid,
  .fuels,
  .contact {
    grid-template-columns: 1fr;
  }

  .nav-links {
    position: fixed;
    inset: 4.25rem 0 auto;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem 1.25rem 1.5rem;
    background: rgba(13, 13, 13, 0.96);
    border-bottom: 1px solid var(--tgk-oil-line);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
  }
}