/*
 * Design Brief: Synbyte ← inspired by https://www.domo.com/
 *
 * Structure: header → hero-centered → ecosystem-statement → four-pillar-tools
 *   → analyst-trust-row → tabbed-capabilities → solutions-agent-grid
 *   → technology-split → cta-band → footer-multi-column
 *
 * Hero: centered typography-led (Domo pattern), soft blue top glow, dual CTAs
 * Tokens derived from Domo — light surfaces, soft blue accent (#99ccee family),
 * Open Sans body, geometric sans display, generous whitespace, rounded CTAs
 */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Open+Sans:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f4f8fc;
  --color-bg-muted: #eef4fa;
  --color-bg-dark: #152030;
  --color-surface: #ffffff;
  --color-surface-elevated: #ffffff;
  --color-text: #152030;
  --color-text-muted: #5a6578;
  --color-text-on-dark: #f0f4f8;
  --color-text-muted-on-dark: #a8b8cc;
  --color-accent: #3d8fc4;
  --color-accent-light: #99ccee;
  --color-accent-hover: #2f7aad;
  --color-accent-soft: rgba(153, 204, 238, 0.22);
  --color-border: #dde5ef;
  --color-border-strong: #c5d4e4;

  --font-display: 'DM Sans', system-ui, sans-serif;
  --font-body: 'Open Sans', system-ui, sans-serif;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  --space-section: clamp(4rem, 8vw, 7rem);
  --space-block: clamp(1.5rem, 3vw, 2.5rem);
  --content-max: 1200px;
  --content-narrow: 760px;

  --shadow-sm: 0 1px 3px rgba(21, 32, 48, 0.06);
  --shadow-md: 0 8px 24px rgba(21, 32, 48, 0.08);
  --shadow-lg: 0 20px 48px rgba(21, 32, 48, 0.1);

  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-reveal: 0.65s cubic-bezier(0.16, 1, 0.3, 1);

  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: var(--color-accent-hover);
}

button {
  font-family: inherit;
  cursor: pointer;
}

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

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

.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.625rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: var(--color-text);
}

.section-lead {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  color: var(--color-text-muted);
  margin: 0;
  max-width: 42rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8125rem 1.5rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  transition: background var(--transition-base), color var(--transition-base),
    border-color var(--transition-base), transform var(--transition-base),
    box-shadow var(--transition-base);
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

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

.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--ghost {
  background: transparent;
  color: var(--color-accent);
  border-color: transparent;
  padding-inline: 0.5rem;
}

.btn--ghost:hover {
  color: var(--color-accent-hover);
}

.btn--on-dark {
  background: #fff;
  color: var(--color-text);
  border-color: #fff;
}

.btn--on-dark:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-bg-alt);
}

.btn--outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
}

.btn--outline-light:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-height);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1.5rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
}

.site-logo:hover {
  color: var(--color-text);
}

.site-logo__mark {
  width: 36px;
  height: 36px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__link {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-base);
}

.site-nav__link:hover {
  color: var(--color-text);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
}

.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  margin-inline: auto;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

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

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

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

/* Hero — centered typography (Domo-inspired) */
.hero {
  position: relative;
  padding-top: calc(var(--header-height) + 3rem);
  padding-bottom: var(--space-section);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0 0 40%;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, var(--color-accent-soft) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  text-align: center;
  max-width: 52rem;
  margin-inline: auto;
}

.hero__eyebrow {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 1.25rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 1.25rem;
  color: var(--color-text);
}

.hero__subtitle {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  margin: 0 auto 2rem;
  max-width: 38rem;
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.875rem;
  margin-bottom: 3.5rem;
}

.hero__visual {
  position: relative;
  margin-top: 1rem;
}

.hero__dashboard {
  width: 100%;
  max-width: 920px;
  margin-inline: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

/* Ecosystem statement band */
.statement-band {
  padding-block: var(--space-section);
  background: var(--color-bg-alt);
  text-align: center;
}

.statement-band__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.125rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 auto 1rem;
  max-width: 36rem;
}

.statement-band__text {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  margin: 0 auto;
  max-width: 32rem;
}

/* Platform overview — four-pillar grid (Domo tools section) */
.platform {
  padding-block: var(--space-section);
}

.platform__header {
  text-align: center;
  margin-bottom: var(--space-block);
}

.platform__header .section-lead {
  margin-inline: auto;
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.pillar-card {
  padding: 1.75rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-base), box-shadow var(--transition-base),
    transform var(--transition-base);
}

.pillar-card:hover {
  border-color: var(--color-accent-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.pillar-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-soft);
  border-radius: var(--radius-md);
  margin-bottom: 1.125rem;
  color: var(--color-accent);
}

.pillar-card__category {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 0.5rem;
}

.pillar-card__title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.35;
  margin: 0 0 0.75rem;
}

.pillar-card__text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0 0 1.25rem;
  line-height: 1.55;
}

/* Capabilities — tabbed platform */
.capabilities {
  padding-block: var(--space-section);
  background: var(--color-bg-muted);
}

.capabilities__layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2.5rem;
  align-items: start;
}

.capabilities__intro {
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
}

.tab-list {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.tab-btn {
  width: 100%;
  text-align: left;
  padding: 0.875rem 1rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  border-left: 3px solid transparent;
  transition: background var(--transition-base), color var(--transition-base),
    border-color var(--transition-base);
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.6);
  color: var(--color-text);
}

.tab-btn[aria-selected="true"] {
  background: var(--color-surface);
  color: var(--color-text);
  border-left-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.tab-panel {
  display: none;
  padding: 2rem;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.tab-panel.is-active {
  display: block;
}

.tab-panel__title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
}

.tab-panel__text {
  color: var(--color-text-muted);
  margin: 0 0 1.5rem;
  line-height: 1.65;
}

.tab-panel__features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.feature-chip {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.feature-chip__dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-top: 0.45rem;
  border-radius: 50%;
  background: var(--color-accent-light);
}

.tab-panel__visual {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

/* Solutions — agent showcase grid */
.solutions {
  padding-block: var(--space-section);
}

.solutions__header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: var(--space-block);
}

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

.agent-card {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.agent-card:hover {
  border-color: var(--color-accent-light);
  box-shadow: var(--shadow-md);
}

.agent-card__tag {
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.625rem;
}

.agent-card__title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  line-height: 1.35;
}

.agent-card__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0 0 1.25rem;
  flex: 1;
  line-height: 1.55;
}

.agent-card__link {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  background: none;
  border: none;
  padding: 0;
  text-align: left;
}

.agent-card__link:hover {
  color: var(--color-accent-hover);
}

/* Technology — split with steps + testimonial */
.technology {
  padding-block: var(--space-section);
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}

.technology .section-label {
  color: var(--color-accent-light);
}

.technology .section-title {
  color: var(--color-text-on-dark);
}

.technology .section-lead {
  color: var(--color-text-muted-on-dark);
}

.technology__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.step-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.step-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 1.125rem;
  align-items: start;
}

.step-item__num {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-accent-light);
  background: rgba(153, 204, 238, 0.12);
  border-radius: var(--radius-md);
  border: 1px solid rgba(153, 204, 238, 0.25);
}

.step-item__title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 0 0 0.375rem;
  color: var(--color-text-on-dark);
}

.step-item__text {
  font-size: 0.9375rem;
  color: var(--color-text-muted-on-dark);
  margin: 0;
  line-height: 1.6;
}

.testimonial-panel {
  padding: 2rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
}

.testimonial-panel__quote {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  font-weight: 500;
  line-height: 1.5;
  margin: 0 0 1.75rem;
  color: var(--color-text-on-dark);
}

.testimonial-panel__quote::before {
  content: '\201C';
  color: var(--color-accent-light);
}

.testimonial-panel__author {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  margin: 0;
}

.testimonial-panel__role {
  font-size: 0.875rem;
  color: var(--color-text-muted-on-dark);
  margin: 0.25rem 0 0;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.trust-stat {
  flex: 1;
  min-width: 140px;
}

.trust-stat__value {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-accent-light);
  margin: 0 0 0.25rem;
}

.trust-stat__label {
  font-size: 0.875rem;
  color: var(--color-text-muted-on-dark);
  margin: 0;
}

/* CTA band */
.cta-band {
  padding-block: var(--space-section);
  background: linear-gradient(135deg, var(--color-accent) 0%, #2a6a96 100%);
  color: #fff;
  text-align: center;
}

.cta-band__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

.cta-band__text {
  font-size: 1.0625rem;
  opacity: 0.92;
  margin: 0 auto 2rem;
  max-width: 32rem;
  line-height: 1.6;
}

.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.875rem;
}

/* Footer */
.site-footer {
  padding-block: 4rem 2rem;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.site-footer__brand p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 1rem 0 0;
  max-width: 18rem;
  line-height: 1.6;
}

.site-footer__heading {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
  margin: 0 0 1rem;
}

.site-footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer__links li {
  margin-bottom: 0.625rem;
}

.site-footer__links a {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.site-footer__links a:hover {
  color: var(--color-accent);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.site-footer__legal a {
  color: var(--color-text-muted);
}

/* Modals */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal[hidden] {
  display: none;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(21, 32, 48, 0.55);
  backdrop-filter: blur(4px);
}

.modal__panel {
  position: relative;
  width: min(100%, 520px);
  max-height: min(85vh, 640px);
  overflow-y: auto;
  padding: 2rem;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  border: none;
  border-radius: var(--radius-sm);
  transition: background var(--transition-base), color var(--transition-base);
}

.modal__close:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.modal__panel h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 2rem 0.75rem 0;
}

.modal__panel p {
  color: var(--color-text-muted);
  margin: 0 0 1rem;
  line-height: 1.65;
}

.modal__panel ul {
  margin: 0 0 1.5rem;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
}

.modal__panel li {
  margin-bottom: 0.375rem;
}

/* Policy pages */
.page-content {
  padding-top: calc(var(--header-height) + 3rem);
  padding-bottom: var(--space-section);
}

.page-content h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.page-content .page-meta {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: 2.5rem;
}

.page-content h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
}

.page-content p,
.page-content li {
  color: var(--color-text-muted);
  line-height: 1.7;
}

.page-content ul {
  margin-bottom: 1rem;
}