/* =========================================================
   Wrivon — Stylesheet
   Design tokens live in :root. Sections are organized in the
   same order they appear on the page. Search for "== " headers
   to jump between sections.
   ========================================================= */

:root {
  /* Color */
  --ink: #14171f;
  --ink-soft: #4a4f5c;
  --muted: #6b6f7b;
  --bg: #faf9f4;
  --surface: #ffffff;
  --border: #e6e2d8;

  --brand: #1f3a5f;
  --brand-dark: #142943;
  --brand-tint: #eaf1fe;

  --accent: #d98c3d;
  --accent-dark: #b8722c;
  --accent-tint: #fcefdd;

  --biz-ecom: #2f6fed;
  --biz-ecom-tint: #eaf1fe;
  --biz-wholesale: #1e8f6f;
  --biz-wholesale-tint: #e7f5ef;
  --biz-publishing: #7a4fb5;
  --biz-solar: #4c9824;
  --biz-diginet: #172763;
  --biz-publishing-tint: #f1eafb;

  /* Type */
  --font-display: "Space Grotesk", "Segoe UI", Arial, sans-serif;
  --font-body: "Inter", "Segoe UI", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  /* Layout */
  --max-w: 1180px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --shadow-sm: 0 1px 2px rgba(20, 23, 31, 0.06), 0 1px 1px rgba(20, 23, 31, 0.04);
  --shadow-md: 0 12px 30px -12px rgba(20, 23, 31, 0.18);
  --nav-h: 76px;
  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* == Reset & base == */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 1em;
  color: var(--ink-soft);
}

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

button {
  font: inherit;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--accent);
  display: inline-block;
}

.section {
  padding: 96px 0;
}

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

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

/* Visible focus states across the site */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--brand);
  color: #fff;
  padding: 12px 18px;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}

.skip-link:focus {
  left: 0;
}

/* == Buttons == */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition), color var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--brand-dark);
}

.btn-secondary {
  background: transparent;
  color: var(--brand);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: var(--surface);
  border-color: var(--brand);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
}

.btn-accent:hover {
  background: var(--accent-dark);
}

.btn-block {
  width: 100%;
}

/* == Header / Nav == */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(250, 249, 244, 0.88);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.site-header.is-scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 1px 0 rgba(20, 23, 31, 0.02);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}


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

.nav-links a {
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--ink-soft);
  position: relative;
  padding: 6px 0;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--brand);
}

.nav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-cta .btn {
  padding: 10px 20px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--ink);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* == Hero == */
.hero {
  padding: 64px 0 96px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.4rem, 4.4vw, 3.6rem);
  margin-bottom: 0.4em;
}

.hero-copy .lead {
  font-size: 1.1rem;
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.hero-visual {
  position: relative;
}

.carousel {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.carousel-track-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 4400ms ease;
}

.carousel-slide.is-active {
  opacity: 1;
  visibility: visible;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.carousel-caption {
  position: absolute;
  left: 24px;
  bottom: 20px;
  background: rgba(20, 23, 31, 0.72);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  padding: 6px 12px;
  border-radius: 999px;
}

.carousel-controls {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  pointer-events: none;
}

.carousel-btn {
  pointer-events: auto;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--brand);
  transition: background var(--transition), transform var(--transition);
}

.carousel-btn:hover {
  background: #fff;
  transform: scale(1.06);
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 16px 0;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: var(--border);
  cursor: pointer;
  padding: 0;
  transition: background var(--transition), width var(--transition);
}

.carousel-dot.is-active {
  background: var(--accent);
  width: 22px;
  border-radius: 999px;
}

/* == About == */
.about-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.about-points {
  display: grid;
  gap: 20px;
  margin-top: 8px;
}

.about-point {
  display: flex;
  gap: 14px;
}

.about-point .dot {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--brand-tint);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.about-point h3 {
  font-size: 1.02rem;
  margin-bottom: 0.25em;
}

.about-point p {
  margin: 0;
  font-size: 0.95rem;
}

/* == Philosophy / Mutual Benefit == */
.philosophy {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.equation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin: 12px 0 8px;
  font-family: var(--font-mono);
}

.equation-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 128px;
}

.equation-node .node-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
}

.equation-node span.label {
  font-size: 0.8rem;
  color: var(--ink-soft);
  text-align: center;
}

.node-customer {
  background: var(--biz-ecom);
}

.node-partner {
  background: var(--biz-wholesale);
}

.node-business {
  background: var(--biz-publishing);
}

.equation-symbol {
  font-size: 1.6rem;
  color: var(--muted);
}

.equation-result {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 6px;
  box-shadow: var(--shadow-md);
}

.philosophy-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
}

.philosophy-diagram svg {
  width: 100%;
  max-width: 380px;
  height: auto;
}

.diagram-line {
  stroke-dasharray: 240;
  stroke-dashoffset: 240;
  transition: stroke-dashoffset 900ms ease;
}

.philosophy-diagram.in-view .diagram-line {
  stroke-dashoffset: 0;
}

/* == Businesses == */
.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.business-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-top: 4px solid var(--card-accent, var(--brand));
  transition: transform var(--transition), box-shadow var(--transition);
}

.business-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.business-card--ecom {
  --card-accent: var(--biz-ecom);
}

.business-card--wholesale {
  --card-accent: var(--biz-wholesale);
}

.business-card--publishing {
  --card-accent: var(--biz-publishing);
}
.business-card--solar {
  --card-accent: var(--biz-solar);
}


.business-card--diginet {
  --card-accent: var(--biz-diginet);
}

.business-icon {
  width: 84px;
  height: 64px;
}

.business-category {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--card-accent, var(--brand));
}

.business-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0;
}

.business-card p {
  font-size: 0.95rem;
  flex: 1;
}

.business-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--card-accent, var(--brand));
}

.business-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition);
}

.business-link:hover svg {
  transform: translateX(3px);
}

/* == Global section == */
.global {
  background: var(--brand-dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}

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

.global .eyebrow {
  color: var(--accent);
}

.global h2 {
  color: #fff;
}

.global p {
  color: #c7d0dd;
}

.global-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 24px;
  margin-top: 24px;
}

.global-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: #e4e9f1;
}

.global-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}

/* == Contact == */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
}

.contact-info h3 {
  font-size: 1.05rem;
}

.contact-info dl {
  margin: 20px 0 0;
}

.contact-info dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-top: 18px;
}

.contact-info dd {
  margin: 4px 0 0;
  font-size: 0.98rem;
}

.contact-info a {
  text-decoration: none;
  color: var(--brand);
  font-weight: 600;
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

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

.form-field {
  margin-bottom: 18px;
}

.form-field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  transition: border-color var(--transition);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--brand);
}

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

.form-note {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 14px;
}

.form-status {
  margin-top: 14px;
  font-size: 0.9rem;
  font-weight: 600;
}

.form-status[data-state="success"] {
  color: var(--biz-wholesale);
}

.form-status[data-state="error"] {
  color: #b3432f;
}

/* == Footer == */
.site-footer {
  background: var(--brand-dark);
  color: #cfd6e1;
  padding: 64px 0 28px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.8fr 1fr;
  gap: 36px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand .logo-horizontal {
  filter: brightness(0) invert(1);
  height: 28px;
  margin-bottom: 14px;
}

.footer-brand p {
  color: #a9b3c4;
  font-size: 0.92rem;
  max-width: 32ch;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #8b96a9;
  margin-bottom: 16px;
}

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

.footer-col a {
  text-decoration: none;
  color: #cfd6e1;
  font-size: 0.92rem;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  font-size: 0.82rem;
  color: #8b96a9;
}

.footer-bottom a {
  text-decoration: none;
  color: #8b96a9;
}

.footer-bottom a:hover {
  color: #fff;
}

/* == Reveal-on-scroll == */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.in-view {
  opacity: 1;
  transform: none;
}

/* == Reduced motion == */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .carousel-slide,
  .reveal,
  .diagram-line,
  .btn,
  .business-card {
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* == Responsive == */
@media (max-width: 1020px) {
  .hero-inner,
  .about-inner,
  .philosophy-inner,
  .global-inner,
  .contact-inner {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
  }

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

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

@media (max-width: 860px) {
  .nav-links,
  .nav-cta .btn-secondary {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-header.is-menu-open .nav-links {
    display: flex;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 16px 24px 24px;
    box-shadow: var(--shadow-md);
  }

  .site-header.is-menu-open .nav-links a {
    width: 100%;
    padding: 12px 0;
  }

  .section {
    padding: 72px 0;
  }

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

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

  .global-list {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }

  .hero {
    padding: 40px 0 64px;
  }

  .equation {
    gap: 10px;
  }

  .equation-node {
    width: 92px;
  }

  .equation-node .node-circle {
    width: 52px;
    height: 52px;
  }

  .equation-result {
    width: 68px;
    height: 68px;
    font-size: 0.72rem;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }
}