/* ============================================================
   Grandotex Trading LLC — corporate site
   Direction: quiet corporate confidence
   Navy on warm neutrals, hairline rules, offset photo frames
   ============================================================ */

:root {
  --navy: #0f2e4c;
  --navy-deep: #0a2035;
  --navy-soft: #eaeff4;
  --ink: #16232e;
  --body: #4a5762;
  --muted: #7b8790;
  --bg: #fafaf7;
  --surface: #ffffff;
  --line: #e3e3da;
  --line-strong: #cfcfc4;
  --font-display: "Manrope", sans-serif;
  --font-body: "Source Sans 3", sans-serif;
  --max: 1140px;
  --radius: 6px;
  --shadow: 0 18px 40px -24px rgba(15, 46, 76, 0.25);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.3rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; }

p + p { margin-top: 1em; }

a { color: var(--navy); text-decoration: none; }
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 3px;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 88px 0; }

/* ---------- Eyebrow / section labels ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 34px;
  height: 2px;
  background: var(--navy);
}

.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head p { margin-top: 14px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 15px 32px;
  border-radius: var(--radius);
  border: 1.5px solid var(--navy);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-deep); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--navy); }
.btn-ghost:hover { background: var(--navy-soft); }
.btn-light { background: #fff; color: var(--navy); border-color: #fff; }
.btn-light:hover { background: var(--navy-soft); border-color: var(--navy-soft); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 247, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  width: 38px;
  height: 38px;
  background: var(--navy);
  color: #fff;
  display: grid;
  place-items: center;
  border-radius: 8px;
  flex-shrink: 0;
}
.brand-mark svg { width: 24px; height: 24px; display: block; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: var(--ink);
  line-height: 1.1;
}
.brand-name small {
  display: block;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.main-nav { display: flex; align-items: center; gap: 34px; }
.main-nav a {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.main-nav a:hover { color: var(--navy); }
.main-nav a.active { color: var(--navy); border-bottom-color: var(--navy); }
.main-nav .btn { padding: 11px 24px; }
.main-nav a.btn-primary { color: #fff; border-bottom: 1.5px solid var(--navy); }
.main-nav a.btn-primary:hover { color: #fff; background: var(--navy-deep); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 42px;
  height: 42px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  margin: 5px auto;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero (home) ---------- */
.hero { padding: 96px 0 104px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 72px;
  align-items: center;
}
.hero h1 { margin-bottom: 22px; }
.hero .lede {
  font-size: 1.2rem;
  max-width: 480px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.framed-photo { position: relative; }
.framed-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translate(18px, 18px);
  border: 1.5px solid var(--navy);
  border-radius: var(--radius);
  z-index: -1;
}
.framed-photo img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ---------- Intro strip ---------- */
.intro { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.intro-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  align-items: start;
}
.intro-grid p {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--ink);
  font-weight: 400;
}

/* ---------- Value props ---------- */
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.value-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--navy);
  border-radius: var(--radius);
  padding: 34px 28px;
}
.value-card svg {
  width: 34px;
  height: 34px;
  stroke: var(--navy);
  margin-bottom: 20px;
}
.value-card h3 { margin-bottom: 10px; }
.value-card p { font-size: 0.98rem; }

/* ---------- Category cards ---------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.cat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.cat-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.cat-card-body { padding: 24px 22px 28px; }
.cat-card-body h3 { margin-bottom: 8px; }
.cat-card-body p { font-size: 0.95rem; }

/* ---------- Trust / CTA band ---------- */
.cta-band {
  background: var(--navy-deep);
  color: #fff;
  text-align: center;
  padding: 84px 0;
}
.cta-band h2 { color: #fff; margin-bottom: 16px; }
.cta-band p {
  color: rgba(255, 255, 255, 0.78);
  max-width: 560px;
  margin: 0 auto 36px;
  font-size: 1.1rem;
}

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 76px 0;
}
.page-hero h1 { font-size: clamp(2.1rem, 4vw, 2.9rem); margin-bottom: 16px; }
.page-hero p { max-width: 620px; font-size: 1.15rem; }

/* ---------- Split sections (about / products) ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.split.reverse .split-media { order: 2; }
.split-media img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.split-copy h2 { margin-bottom: 18px; }

/* ---------- Process steps ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}
.step {
  padding: 36px 28px;
  border-left: 1px solid var(--line);
}
.step:first-child { border-left: none; }
.step-num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--navy);
  display: block;
  margin-bottom: 14px;
}
.step h3 { font-size: 1.08rem; margin-bottom: 8px; }
.step p { font-size: 0.95rem; }

/* ---------- Differentiators ---------- */
.diff-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.diff-item {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 48px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}
.diff-item h3 { font-size: 1.15rem; }

/* ---------- Category feature rows (products page) ---------- */
.cat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}
.cat-row:last-child { border-bottom: none; }
.cat-row.reverse .cat-row-media { order: 2; }
.cat-row-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.cat-row h2 { font-size: 1.6rem; margin-bottom: 14px; }
.cat-row ul {
  margin-top: 18px;
  padding-left: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.cat-row li {
  padding-left: 26px;
  position: relative;
  font-size: 0.98rem;
}
.cat-row li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 14px;
  height: 2px;
  background: var(--navy);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 72px;
  align-items: start;
}
.contact-info { display: grid; gap: 0; }
.contact-block {
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.contact-block:first-child { padding-top: 0; }
.contact-block h3 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 10px;
}
.contact-block p, .contact-block a { font-size: 1.05rem; color: var(--ink); }
.contact-block a:hover { text-decoration: underline; }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 42px;
  box-shadow: var(--shadow);
}
.contact-form h2 { font-size: 1.4rem; margin-bottom: 26px; }
.form-field { margin-bottom: 22px; }
.form-field label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}
.form-field input,
.form-field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  padding: 13px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--bg);
  transition: border-color 0.2s ease;
}
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--navy);
  background: #fff;
}
.form-field textarea { min-height: 150px; resize: vertical; }
.form-note { font-size: 0.88rem; color: var(--muted); margin-top: 16px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 0;
  font-size: 0.95rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}
.site-footer .brand-name { color: #fff; }
.site-footer .brand-name small { color: rgba(255, 255, 255, 0.5); }
.site-footer .brand-mark { background: #fff; color: var(--navy-deep); }
.footer-about { margin-top: 18px; max-width: 320px; }
.site-footer h4 {
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-links { list-style: none; display: grid; gap: 10px; }
.footer-links a { color: rgba(255, 255, 255, 0.75); }
.footer-links a:hover { color: #fff; }
.footer-contact p { margin-bottom: 10px; }
.footer-contact a { color: rgba(255, 255, 255, 0.9); }
.footer-contact a:hover { color: #fff; text-decoration: underline; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 22px 0;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .cat-card { transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  section { padding: 64px 0; }
  .hero { padding: 64px 0 72px; }
  .hero-grid, .split, .cat-row, .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .split.reverse .split-media, .cat-row.reverse .cat-row-media { order: 0; }
  .value-grid, .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .step { border-top: 1px solid var(--line); }
  .step:nth-child(odd) { border-left: none; }
  .step:nth-child(-n+2) { border-top: none; }
  .intro-grid { grid-template-columns: 1fr; gap: 20px; }
  .diff-item { grid-template-columns: 1fr; gap: 10px; padding: 26px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 12px 24px 24px;
    box-shadow: var(--shadow);
  }
  .nav-open .main-nav { display: flex; }
  .main-nav a { padding: 14px 0; width: 100%; border-bottom: 1px solid var(--line); }
  .main-nav a.active { border-bottom-color: var(--line); }
  .main-nav .btn { margin-top: 16px; width: 100%; text-align: center; }
  .value-grid, .cat-grid, .steps-grid { grid-template-columns: 1fr; }
  .step { border-left: none; }
  .step:nth-child(-n+2) { border-top: 1px solid var(--line); }
  .step:first-child { border-top: none; }
  .contact-form { padding: 28px 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
}