/* ===========================================================
   Sofos — IT Distribution, Americas
   Brand: Ink navy / Distribution blue / Circuit cyan / Steel gray / Alloy
   =========================================================== */

:root {
  --ink-navy: #0e2a47;
  --distribution-blue: #1868a8;
  --circuit-cyan: #4fb8d6;
  --steel-gray: #64707d;
  --alloy: #c7ced4;
  --white: #ffffff;
  --off-white: #f6f8fa;

  --font-display: "Unbounded", sans-serif;
  --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-data: "IBM Plex Mono", "Consolas", monospace;

  --max-width: 1200px;
  --radius: 8px;
  --shadow: 0 4px 20px rgba(14, 42, 71, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--ink-navy);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink-navy);
}

h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 16px;
}

h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

p {
  color: var(--steel-gray);
}

.eyebrow {
  font-family: var(--font-data);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--distribution-blue);
  font-weight: 600;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 28px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-primary {
  background: var(--distribution-blue);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--ink-navy);
}

.btn-outline {
  border-color: var(--white);
  color: var(--white);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--ink-navy);
}

.btn-outline-navy {
  border-color: var(--ink-navy);
  color: var(--ink-navy);
}

.btn-outline-navy:hover {
  background: var(--ink-navy);
  color: var(--white);
}

/* ---------- Logo (built from type, per brand guideline) ---------- */

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.logo .sof {
  color: var(--ink-navy);
}

.logo .os {
  color: var(--distribution-blue);
}

.logo.on-dark .sof {
  color: var(--white);
}

.logo.on-dark .os {
  color: var(--circuit-cyan);
}

.logo-tagline {
  font-family: var(--font-data);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.62rem;
  color: var(--steel-gray);
  margin-top: 2px;
}

.logo.on-dark + .logo-tagline,
.on-dark .logo-tagline {
  color: var(--alloy);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--alloy);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.brand-block {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.main-nav ul {
  display: flex;
  gap: 36px;
  align-items: center;
}

.main-nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink-navy);
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--distribution-blue);
  border-bottom-color: var(--distribution-blue);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle svg {
  width: 26px;
  height: 26px;
  stroke: var(--ink-navy);
}

/* ---------- Hero ---------- */

.hero {
  background: var(--ink-navy);
  color: var(--white);
  padding: 90px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 184, 214, 0.22), transparent 70%);
}

.hero .container {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero .eyebrow {
  color: var(--circuit-cyan);
}

.hero h1 {
  color: var(--white);
  margin: 16px 0 20px;
}

.hero p.lead {
  color: var(--alloy);
  font-size: 1.15rem;
  max-width: 560px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  background: var(--white);
  margin-top: -56px;
  position: relative;
  z-index: 2;
}

.hero-stats .container {
  max-width: var(--max-width);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--white);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  overflow: hidden;
}

.stat {
  padding: 28px 20px;
  text-align: center;
  border-right: 1px solid var(--alloy);
}

.stat:last-child {
  border-right: none;
}

.stat .stat-num {
  font-family: var(--font-data);
  font-size: 1.9rem;
  font-weight: 600;
  color: var(--distribution-blue);
}

.stat .stat-label {
  font-size: 0.82rem;
  color: var(--steel-gray);
  margin-top: 4px;
}

/* ---------- Sections ---------- */

section {
  padding: 90px 0;
}

.section-alt {
  background: var(--off-white);
}

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ---------- Cards / grids ---------- */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.card {
  background: var(--white);
  border: 1px solid var(--alloy);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.card .icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--ink-navy);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-data);
  font-weight: 600;
  margin-bottom: 18px;
}

.card p {
  font-size: 0.95rem;
}

/* ---------- Brand / manufacturer cards ---------- */

.brand-card {
  background: var(--white);
  border: 1px solid var(--alloy);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.brand-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--distribution-blue);
}

.brand-card .brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink-navy);
}

.brand-card .brand-desc {
  font-size: 0.82rem;
  color: var(--steel-gray);
  margin-top: 6px;
}

/* ---------- Product category cards ---------- */

.category-card {
  background: var(--white);
  border: 1px solid var(--alloy);
  border-radius: var(--radius);
  overflow: hidden;
}

.category-card .category-top {
  background: var(--ink-navy);
  color: var(--white);
  padding: 22px 24px;
  font-family: var(--font-data);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--circuit-cyan);
}

.category-card .category-body {
  padding: 24px;
}

.category-card ul {
  margin-top: 14px;
}

.category-card li {
  font-size: 0.88rem;
  color: var(--steel-gray);
  padding: 6px 0;
  border-top: 1px solid var(--off-white);
  display: flex;
  align-items: center;
  gap: 8px;
}

.category-card li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--circuit-cyan);
  flex-shrink: 0;
}

/* ---------- Quote strip ---------- */

.quote-strip {
  background: var(--ink-navy);
  color: var(--white);
  padding: 64px 0;
  text-align: center;
}

.quote-strip .eyebrow {
  color: var(--circuit-cyan);
}

.quote-strip h2 {
  color: var(--white);
  max-width: 720px;
  margin: 14px auto 30px;
}

/* ---------- Timeline (About page) ---------- */

.timeline {
  border-left: 2px solid var(--alloy);
  margin-left: 8px;
  padding-left: 32px;
}

.timeline-item {
  position: relative;
  padding-bottom: 40px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -38px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--distribution-blue);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--alloy);
}

.timeline-item .year {
  font-family: var(--font-data);
  color: var(--distribution-blue);
  font-weight: 600;
  font-size: 0.9rem;
}

/* ---------- Values grid ---------- */

.value-item {
  display: flex;
  gap: 18px;
}

.value-item .num {
  font-family: var(--font-data);
  font-size: 1.1rem;
  color: var(--circuit-cyan);
  background: var(--ink-navy);
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ---------- Contact page ---------- */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-info-item .icon {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--off-white);
  border: 1px solid var(--alloy);
  color: var(--distribution-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-item h3 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.contact-info-item p, .contact-info-item a {
  font-size: 0.92rem;
  color: var(--steel-gray);
}

.contact-info-item a:hover {
  color: var(--distribution-blue);
}

form.contact-form {
  background: var(--off-white);
  border: 1px solid var(--alloy);
  border-radius: var(--radius);
  padding: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-navy);
  margin-bottom: 6px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--alloy);
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--ink-navy);
  background: var(--white);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--distribution-blue);
}

.field textarea {
  resize: vertical;
  min-height: 120px;
}

.form-note {
  font-size: 0.8rem;
  color: var(--steel-gray);
  margin-top: 14px;
}

.form-success {
  display: none;
  background: var(--white);
  border: 1px solid var(--circuit-cyan);
  border-radius: 6px;
  padding: 16px 18px;
  font-size: 0.9rem;
  color: var(--ink-navy);
  margin-bottom: 18px;
}

.form-success.visible {
  display: block;
}

.map-embed {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--alloy);
  margin-top: 8px;
}

.map-embed iframe {
  width: 100%;
  height: 260px;
  border: 0;
  display: block;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--ink-navy);
  color: var(--alloy);
  padding: 64px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-grid p {
  color: var(--alloy);
  font-size: 0.9rem;
  margin-top: 14px;
  max-width: 280px;
}

.footer-col h3 {
  font-family: var(--font-body);
  color: var(--white);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col a {
  font-size: 0.88rem;
  color: var(--alloy);
  transition: color 0.15s ease;
}

.footer-col a:hover {
  color: var(--circuit-cyan);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 0.8rem;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom .logo.on-dark {
  font-size: 1.1rem;
}

/* ---------- Page hero (interior pages) ---------- */

.page-hero {
  background: var(--ink-navy);
  color: var(--white);
  padding: 64px 0 70px;
}

.page-hero .eyebrow {
  color: var(--circuit-cyan);
}

.page-hero h1 {
  color: var(--white);
  margin-top: 12px;
}

.page-hero p {
  color: var(--alloy);
  max-width: 600px;
  margin-top: 14px;
}

/* ---------- Utility ---------- */

.text-center {
  text-align: center;
}

.mt-lg {
  margin-top: 48px;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-2,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero-stats .container {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat:nth-child(2) {
    border-right: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--alloy);
    transform: translateY(-120%);
    transition: transform 0.2s ease;
  }

  .main-nav.open {
    transform: translateY(0);
  }

  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 12px 24px 20px;
  }

  .main-nav li {
    width: 100%;
  }

  .main-nav a {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--off-white);
  }

  .nav-toggle {
    display: block;
  }

  .grid-3,
  .grid-4,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  section {
    padding: 60px 0;
  }

  .hero {
    padding: 60px 0 80px;
  }
}