/* ============================================================
   EDEN PLACEMENT PLATFORM — DESIGN SYSTEM
   Tokens, reset, typography, layout primitives & utilities.
   Brand: Primary green #1E5A35 · Accent red #E53935
          Background #FFFFFF · Text #222222
   ============================================================ */

/* ---------- 1. Design tokens ---------- */
:root {
  /* Brand palette */
  --eden-green: #1E5A35;
  --eden-green-600: #2E7D4F;
  --eden-green-700: #164627;
  --eden-green-800: #0F3A1E;
  --eden-green-900: #0B2E18;
  --eden-green-100: #EAF3EE;
  --eden-green-50: #F4F9F6;

  --eden-accent: #E53935;
  --eden-accent-600: #C62828;
  --eden-accent-100: #FDECEC;

  /* Neutral palette */
  --eden-white: #FFFFFF;
  --eden-text: #222222;
  --eden-text-soft: #55665B;
  --eden-muted: #8A9B90;
  --eden-line: #E4EAE6;
  --eden-line-strong: #D3DDD7;
  --eden-surface: #F6F8F7;
  --eden-surface-2: #EEF3F0;

  /* Semantic aliases */
  --color-bg: var(--eden-white);
  --color-text: var(--eden-text);
  --color-primary: var(--eden-green);
  --color-accent: var(--eden-accent);

  /* Typography */
  --font-display: "Sora", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

  /* Type scale (fluid via clamp) */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: clamp(1.625rem, 1.2rem + 1.7vw, 2.25rem);
  --text-4xl: clamp(2rem, 1.4rem + 2.4vw, 3rem);
  --text-5xl: clamp(2.375rem, 1.6rem + 3.2vw, 3.75rem);

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 5rem;
  --space-16: 7rem;

  /* Layout */
  --container: 1200px;
  --container-narrow: 880px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 999px;

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(14, 21, 16, 0.06), 0 1px 3px rgba(14, 21, 16, 0.08);
  --shadow-md: 0 4px 12px rgba(14, 21, 16, 0.08), 0 2px 4px rgba(14, 21, 16, 0.05);
  --shadow-lg: 0 12px 32px rgba(14, 21, 16, 0.12), 0 4px 10px rgba(14, 21, 16, 0.06);
  --shadow-glow: 0 16px 48px rgba(30, 90, 53, 0.28);

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 240ms;

  /* Header metrics */
  --header-h: 76px;
}

/* ---------- 2. Reset & base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: 0;
  background: none;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

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

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--eden-text);
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.02em;
}

:focus-visible {
  outline: 3px solid rgba(30, 90, 53, 0.5);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: var(--eden-green);
  color: var(--eden-white);
}

/* ---------- 3. Typography helpers ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--eden-green);
  background: var(--eden-green-100);
  border: 1px solid #D6E8DC;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-full);
}

.eyebrow--red {
  color: var(--eden-accent);
  background: var(--eden-accent-100);
  border-color: #F7CFCE;
}

.section-title {
  font-size: var(--text-4xl);
  letter-spacing: -0.025em;
}

.section-lead {
  font-size: var(--text-lg);
  color: var(--eden-text-soft);
  max-width: 60ch;
}

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

.mx-auto {
  margin-inline: auto;
}

/* ---------- 4. Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-block: clamp(3.5rem, 8vw, 6.5rem);
}

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

.section--dark {
  background: linear-gradient(160deg, var(--eden-green-900), var(--eden-green-800));
  color: var(--eden-white);
}

.section-head {
  max-width: 720px;
  margin-bottom: var(--space-10);
}

.section-head .section-title {
  margin-top: var(--space-4);
}

.section-head .section-lead {
  margin-top: var(--space-4);
}

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

.section-head--center .section-lead {
  margin-inline: auto;
}

.grid {
  display: grid;
  gap: var(--space-6);
}

/* ---------- 5. Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  padding: 0.95rem 1.75rem;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  transition: transform var(--duration) var(--ease-out),
    box-shadow var(--duration) var(--ease-out),
    background-color var(--duration) var(--ease-out),
    color var(--duration) var(--ease-out),
    border-color var(--duration) var(--ease-out);
  will-change: transform;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn--lg {
  font-size: var(--text-lg);
  padding: 1.1rem 2.2rem;
}

.btn--sm {
  font-size: var(--text-sm);
  padding: 0.65rem 1.2rem;
}

.btn--primary {
  background: var(--eden-green);
  color: var(--eden-white);
  box-shadow: 0 8px 20px rgba(30, 90, 53, 0.32);
}

.btn--primary:hover {
  background: var(--eden-green-700);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(30, 90, 53, 0.38);
}

.btn--accent {
  background: var(--eden-accent);
  color: var(--eden-white);
  box-shadow: 0 8px 20px rgba(229, 57, 53, 0.3);
}

.btn--accent:hover {
  background: var(--eden-accent-600);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(229, 57, 53, 0.36);
}

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

.btn--outline:hover {
  background: var(--eden-green-100);
  transform: translateY(-2px);
}

.btn--outline-light {
  background: transparent;
  color: var(--eden-white);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn--outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--eden-white);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--eden-green);
}

.btn--ghost:hover {
  background: var(--eden-green-100);
}

/* ---------- 6. Cards & badges ---------- */
.card {
  background: var(--eden-white);
  border: 1px solid var(--eden-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration) var(--ease-out),
    box-shadow var(--duration) var(--ease-out);
}

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full);
}

.badge--green {
  background: var(--eden-green-100);
  color: var(--eden-green-700);
}

.badge--red {
  background: var(--eden-accent-100);
  color: var(--eden-accent-600);
}

/* ---------- 7. Forms ---------- */
.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field label {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--eden-text);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--eden-line-strong);
  border-radius: var(--radius-md);
  background: var(--eden-white);
  transition: border-color var(--duration), box-shadow var(--duration);
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--eden-green);
  box-shadow: 0 0 0 4px rgba(30, 90, 53, 0.12);
}

/* ---------- 8. Utilities ---------- */
.list-check {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.list-check li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: var(--text-base);
  color: var(--eden-text-soft);
}

.list-check svg {
  width: 20px;
  height: 20px;
  color: var(--eden-green);
  flex-shrink: 0;
  margin-top: 2px;
}

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

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

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 300;
  transform: translateY(-200%);
  transition: transform var(--duration) var(--ease-out);
  background: var(--eden-green);
  color: var(--eden-white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  box-shadow: var(--shadow-lg);
}

.skip-link:focus {
  transform: none;
}

/* ---------- 9. Reveal-on-scroll ---------- */
/* Hidden state only applies when JS is active (html.js) so
   content is always visible without JavaScript. */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 10. Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  [data-reveal],
  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}