/* TRAA landing site styles. No build step; plain CSS with custom properties. */

:root {
  --color-blue: #0057B8;
  --color-navy: #003B7A;
  --color-red: #E53935;
  --color-text: #1F2937;
  --color-muted: #656C79;
  --color-border: #D1D5DB;
  --color-bg: #F1F2F2;
  --color-surface: #ffffff;
  --color-light-blue: #E6EEF8;

  --font-heading: 'Montserrat', system-ui, sans-serif;
  --font-body: 'Open Sans', system-ui, sans-serif;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

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

  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.25;
  margin-top: 0;
}

a {
  color: var(--color-blue);
}

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

.container {
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: 16px;
}

@media (min-width: 768px) {
  .container {
    padding-inline: 24px;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.visually-hidden:focus {
  position: fixed;
  top: var(--space-2);
  left: var(--space-2);
  width: auto;
  height: auto;
  padding: var(--space-2) var(--space-4);
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  background: var(--color-surface);
  color: var(--color-navy);
  border-radius: var(--radius-sm);
  z-index: 100;
}

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

.hero :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--color-light-blue);
}

/* Header */

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-block: var(--space-3);
}

.site-header .logo img {
  height: 36px;
}

.nav {
  display: none;
  flex-direction: column;
  gap: var(--space-3);
  width: 100%;
  order: 4;
}

.nav[data-open="true"] {
  display: flex;
}

@media (min-width: 768px) {
  .nav {
    display: flex;
    flex-direction: row;
    width: auto;
    order: 2;
    gap: var(--space-5);
  }
}

.nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-2) 0;
}

.nav a:hover {
  color: var(--color-blue);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  order: 3;
}

.nav-toggle-bars {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  position: relative;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--color-text);
}

.nav-toggle-bars::before {
  top: -6px;
}

.nav-toggle-bars::after {
  top: 6px;
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}

.no-js .nav {
  display: flex;
  flex-direction: column;
}

@media (min-width: 768px) {
  .no-js .nav {
    flex-direction: row;
  }
}

.no-js .nav-toggle {
  display: none;
}

.lang-switch {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 14px;
  order: 2;
  margin-left: auto;
}

@media (min-width: 768px) {
  .nav {
    order: 2;
  }

  .lang-switch {
    order: 3;
    margin-left: 0;
  }
}

.lang-switch a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
}

.lang-switch [aria-current="true"] {
  color: var(--color-navy);
  font-weight: 700;
}

/* Hero */

.hero {
  background: linear-gradient(135deg, var(--color-navy), var(--color-blue));
  color: #ffffff;
  padding-block: var(--space-8);
}

.hero h1 {
  color: #ffffff;
  font-size: clamp(2rem, 5vw, 3.25rem);
  max-width: 20ch;
}

.hero p {
  font-size: 1.125rem;
  max-width: 55ch;
  color: var(--color-light-blue);
}

.hero .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding-inline: var(--space-5);
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn--primary {
  background: var(--color-blue);
  color: #ffffff;
}

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

.btn--whatsapp {
  background: #047857;
  color: #ffffff;
}

.btn--whatsapp:hover {
  background: #036548;
}

.btn--ghost {
  background: transparent;
  border-color: #ffffff;
  color: #ffffff;
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.section .btn--ghost {
  border-color: var(--color-blue);
  color: var(--color-blue);
}

.section .btn--ghost:hover {
  background: var(--color-light-blue);
}

/* Sections */

.section {
  padding-block: var(--space-8);
}

.section--alt {
  background: var(--color-surface);
}

.section h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: var(--space-5);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-5);
  margin-block: var(--space-6);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
}

.section--alt .card {
  background: var(--color-bg);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-5);
}

/* Steps */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-5);
  margin-block: var(--space-6);
  list-style: none;
  padding: 0;
}

.step {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-blue);
  color: #ffffff;
  font-family: var(--font-heading);
  font-weight: 700;
}

.step-icon {
  width: 32px;
  height: 32px;
  color: var(--color-blue);
}

/* Points list */

.points {
  list-style: none;
  padding: 0;
  margin: var(--space-5) 0;
  display: grid;
  gap: var(--space-3);
}

.points li {
  padding-left: var(--space-6);
  position: relative;
}

.points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-blue);
}

/* Badges */

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.badge img {
  height: 54px;
}

/* Footer */

.site-footer {
  background: var(--color-navy);
  color: #ffffff;
}

.footer-grid {
  display: grid;
  gap: var(--space-6);
  padding-block: var(--space-7);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.footer-grid h2,
.footer-grid h3 {
  color: #ffffff;
  font-size: 1rem;
}

.footer-grid p,
.footer-grid a {
  color: var(--color-light-blue);
}

.footer-grid a {
  text-decoration: none;
}

.footer-grid a:hover {
  text-decoration: underline;
}

.footer-grid ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-2);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-block: var(--space-4);
  font-size: 14px;
  color: var(--color-light-blue);
}

/* Draft banner (legal pages) */

.draft-banner {
  background: #fffbeb;
  border-left: 4px solid #b45309;
  color: #78350f;
  font-family: var(--font-heading);
  font-weight: 600;
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-5);
  border-radius: var(--radius-sm);
}

/* Legal pages */

.legal {
  max-width: 760px;
  padding-block: var(--space-8);
}

.legal h2 {
  margin-top: 40px;
}

.legal ul,
.legal ol {
  padding-left: var(--space-6);
}

.legal .updated {
  color: var(--color-muted);
  margin-bottom: var(--space-6);
}

/* Language prompt bar */

.lang-prompt {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-surface);
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.15);
  padding: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  z-index: 60;
}

.lang-prompt[hidden] {
  display: none;
}

.lang-prompt a {
  font-weight: 600;
}

.lang-prompt button {
  font: inherit;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-navy);
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  min-height: 44px;
}

/* 404 page */

.not-found {
  padding-block: var(--space-8);
  text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
    scroll-padding-top: 0;
  }

  * {
    transition: none !important;
    animation: none !important;
  }
}