/* Xumei Trade Inc — Global Import & Export Trade · Norcross, GA
   Design philosophy: Warm-paper editorial, architectural precision, global trade authority.
   Typography: Fraunces (Display Serif) + Inter (Clean Grotesque Sans)
*/

:root {
  --primary: #b87333;         /* Warm industrial bronze / copper */
  --primary-hover: #9e5f24;
  --on-primary: #ffffff;
  --walnut: #23313d;          /* Deep maritime slate / navy */
  --walnut-dark: #162029;
  --sand: #e8e2d5;
  --canvas: #f7f4ee;          /* Warm paper canvas */
  --surface: #ffffff;         /* Pure crisp card surface */
  --ink-band: #182026;        /* Deep slate-black architectural band */
  --ink: #1e2328;             /* Body text */
  --stone: #525860;           /* Muted text */
  --mute: #9ba1a8;            /* Subtle borders & hints */
  --hairline: #e4ded2;        /* Soft hairline separator */
  --hairline-dark: #2c353d;
  --error: #dc2626;
  --success: #15803d;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --gap: 48px;
  --gap-sm: 24px;
  --section-y: 96px;
  --max: 1240px;

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gap);
}

/* ==========================================================
   Typography & Helpers
   ========================================================== */
.eyebrow {
  margin: 0 0 16px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
}

.eyebrow-on-dark {
  color: #e0a96d;
}

.hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 5.1vw, 72px);
  font-weight: 300;
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 3.8vw, 46px);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 400;
  line-height: 1.25;
  color: var(--ink);
}

.card-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 400;
  line-height: 1.22;
  color: var(--ink);
}

.lede {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: 18px;
  line-height: 1.6;
  color: var(--stone);
}

.lede-side {
  margin: 0;
}

.body {
  margin: 0 0 18px;
  color: var(--stone);
  font-size: 16px;
}

.body-sm {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.52;
  color: var(--stone);
}

/* ==========================================================
   Buttons & Links
   ========================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 13.5px;
}

.btn-primary {
  background: var(--ink);
  color: #ffffff;
  border-color: var(--ink);
}
.btn-primary:hover {
  background: var(--walnut);
  border-color: var(--walnut);
  color: #ffffff;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--hairline);
}
.btn-outline:hover {
  border-color: var(--ink);
  background: rgba(0, 0, 0, 0.03);
}

.btn-on-dark {
  background: #ffffff;
  color: var(--ink-band);
}
.btn-on-dark:hover {
  background: #f1ebd8;
  color: var(--ink-band);
  transform: translateY(-1px);
}

.ghost-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--primary);
  margin-top: auto;
}
.ghost-link span {
  transition: transform 0.2s ease;
}
.product-card:hover .ghost-link span {
  transform: translateX(4px);
}

.link-inline {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--hairline);
}
.link-inline:hover {
  text-decoration-color: var(--primary);
  color: var(--primary);
}

/* ==========================================================
   Announcement Bar & Header Navigation
   ========================================================== */
.announce {
  background: #efeae0;
  border-bottom: 1px solid var(--hairline);
  font-size: 13px;
  color: var(--stone);
  padding: 8px 0;
}

.announce-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.announce a:hover {
  color: var(--ink);
}

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 244, 238, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hairline);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.wordmark-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--primary);
  display: inline-block;
  box-shadow: 0 0 0 3px rgba(184, 115, 51, 0.18);
}

.wordmark-suffix {
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-left: 5px;
  background: rgba(184, 115, 51, 0.11);
  padding: 2px 6px;
  border-radius: 4px;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--stone);
}
.nav-links a:hover {
  color: var(--ink);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  transition: var(--transition);
}

/* ==========================================================
   Hero Section
   ========================================================== */
.hero {
  padding: 68px 0 84px;
  border-bottom: 1px solid var(--hairline);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  align-items: center;
}

.hero-sub {
  margin: 24px 0 32px;
  font-size: 18.5px;
  line-height: 1.58;
  color: var(--stone);
  max-width: 50ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--stone);
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero-meta span::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary);
}

.hero-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 40px -15px rgba(24, 32, 38, 0.14);
  background: #e2dbce;
}

.hero-media img {
  width: 100%;
  height: 100%;
  max-height: 540px;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.hero-media:hover img {
  transform: scale(1.02);
}

/* ==========================================================
   Sections & Layout
   ========================================================== */
.section {
  padding: var(--section-y) 0;
}

.section-surface {
  background: var(--surface);
  border-bottom: 1px solid var(--hairline);
}

.section-canvas {
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
}

.section-head {
  margin-bottom: 56px;
}

.section-head-split {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
}

/* Three Pillars Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  padding: 36px 30px;
  background: var(--canvas);
  border-radius: var(--radius);
  border: 1px solid var(--hairline);
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px -10px rgba(0, 0, 0, 0.06);
  border-color: rgba(184, 115, 51, 0.35);
}

.feature-index {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--primary);
  font-weight: 300;
}

/* Product / Trade Sectors Grid */
.mat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--hairline);
  transition: var(--transition);
  cursor: pointer;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px -12px rgba(24, 32, 38, 0.11);
  border-color: rgba(184, 115, 51, 0.38);
}

.product-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.product-card:hover img {
  transform: scale(1.04);
}

.product-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

/* ==========================================================
   Full Width Callout Band
   ========================================================== */
.band {
  background: var(--ink-band);
  color: #ffffff;
  padding: 76px 0;
  border-bottom: 1px solid var(--hairline-dark);
}

.band-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.band-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(30px, 3.4vw, 42px);
  font-weight: 300;
  line-height: 1.15;
}

.band-text {
  margin: 0;
  font-size: 17px;
  color: #c2c8ce;
  max-width: 56ch;
  line-height: 1.6;
}

/* ==========================================================
   Specifications & Table
   ========================================================== */
.tech-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 64px;
}

.spec-table {
  border-top: 1px solid var(--hairline);
}

.spec-row {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--hairline);
}

.spec-key {
  font-size: 13.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
}

.spec-val {
  font-size: 15.5px;
  color: var(--stone);
  line-height: 1.55;
}

/* ==========================================================
   Projects / Trade Solutions Grid
   ========================================================== */
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
}

.project-card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--hairline);
}

.project-card img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.project-body {
  padding: 28px;
}

.badge {
  display: inline-block;
  margin: 0 0 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 3px 9px;
  background: #efeae0;
  color: var(--walnut);
  border-radius: 4px;
}

/* ==========================================================
   About / Hub Facility Section
   ========================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}

.spec-list {
  margin: 28px 0 0;
  border-top: 1px solid var(--hairline);
}
.spec-list li {
  display: grid;
  grid-template-columns: 110px 1fr;
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline);
  font-size: 15px;
}

.about-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 16px 36px -10px rgba(0, 0, 0, 0.08);
}
.about-media img {
  width: 100%;
  height: 100%;
  max-height: 480px;
  object-fit: cover;
}

/* ==========================================================
   Contact & Quote Form
   ========================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 64px;
}

.contact-lines {
  margin-top: 36px;
  border-top: 1px solid var(--hairline);
}

.contact-line {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--hairline);
  font-size: 15px;
}

.quote-form {
  background: var(--surface);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.04);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.field {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
}

.field label {
  font-size: 13.5px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--ink);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  background: #faf8f5;
  color: var(--ink);
  font-size: 15px;
  transition: var(--transition);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(184, 115, 51, 0.12);
}

.field.is-invalid input,
.field.is-invalid select,
.field.is-invalid textarea {
  border-color: var(--error);
  background: #fffafa;
}

.field-error {
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--error);
  min-height: 18px;
}

.form-foot {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 10px;
}

.form-note {
  margin: 0;
  font-size: 13px;
  color: var(--stone);
}

.form-alert {
  display: none;
  padding: 14px 18px;
  margin-bottom: 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
}
.form-alert.is-success {
  display: block;
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

/* ==========================================================
   Footer
   ========================================================== */
.footer {
  background: var(--ink-band);
  color: #f7f4ee;
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: 48px;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--hairline-dark);
}

.footer-brand .wordmark {
  color: #ffffff;
  margin-bottom: 16px;
}

.footer-text {
  font-size: 14.5px;
  color: #9ba1a8;
  line-height: 1.6;
  max-width: 38ch;
}

.footer-head {
  margin: 0 0 20px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #e0a96d;
}

.footer-col ul li {
  margin-bottom: 12px;
  font-size: 14.5px;
  color: #9ba1a8;
}

.footer-col ul li a:hover {
  color: #ffffff;
}

.footer-contact li {
  line-height: 1.5;
}

.footer-fine {
  padding: 24px 0;
  font-size: 13px;
  color: #727980;
}

.fine-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* ==========================================================
   Reveal Animations & Responsive
   ========================================================== */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  :root {
    --gap: 32px;
    --section-y: 80px;
  }
  .feature-grid,
  .mat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tech-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --gap: 20px;
    --section-y: 64px;
  }
  .nav-inner {
    height: 64px;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    background: var(--canvas);
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    border-bottom: 1px solid var(--hairline);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }
  .nav-links.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-actions .nav-cta {
    display: none;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-media img {
    max-height: 380px;
  }
  .section-head-split {
    flex-direction: column;
    align-items: flex-start;
  }
  .feature-grid,
  .mat-grid,
  .project-grid {
    grid-template-columns: 1fr;
  }
  .field-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .band-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .spec-row {
    grid-template-columns: 120px 1fr;
  }
}