/* ==========================================================================
   AgroBerry — Base Typography & Utilities
   ========================================================================== */

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  color: var(--color-ink);
  background: var(--color-surface);
  overflow-x: clip;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-green-900);
  line-height: var(--lh-tight);
  letter-spacing: -0.01em;
}

[dir='rtl'] h1,
[dir='rtl'] h2,
[dir='rtl'] h3,
[dir='rtl'] h4 {
  letter-spacing: 0;
}

h5, h6 {
  font-family: var(--font-body);
  font-weight: 700;
  line-height: var(--lh-snug);
}

p {
  color: var(--color-ink-soft);
}

a {
  transition: color var(--duration-fast) var(--ease-luxury);
}

:focus-visible {
  outline: 2px solid var(--color-green-500);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.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: -100px;
  inset-inline-start: 1rem;
  z-index: var(--z-toast);
  background: var(--color-green-800);
  color: var(--color-white);
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  transition: top var(--duration-fast) var(--ease-luxury);
}

.skip-link:focus {
  top: 1rem;
}

/* ---- Section rhythm ---- */
section {
  position: relative;
}

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

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

.section--dark {
  background: linear-gradient(160deg, var(--color-surface-dark) 0%, var(--color-surface-dark-2) 100%);
  color: var(--color-white);
}

.section--dark p {
  color: rgba(255, 255, 255, 0.72);
}

.section--dark h2,
.section--dark h3 {
  color: var(--color-white);
}

/* ---- Section header block ---- */
.section-head {
  max-width: 720px;
  margin-bottom: var(--space-8);
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-primary);
  margin-bottom: var(--space-4);
}

[dir='rtl'] .eyebrow {
  letter-spacing: 0.02em;
}

.eyebrow::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--brand-accent);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.section--dark .eyebrow {
  color: var(--color-gold-300);
}

.section-head h2 {
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-4);
}

.section-head p {
  font-size: var(--fs-md);
  line-height: var(--lh-relaxed);
}

/* ---- Buttons ---- */
.btn {
  --btn-bg: var(--color-green-700);
  --btn-fg: var(--color-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  padding: 1rem 2rem;
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.01em;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid transparent;
  transition: transform var(--duration-fast) var(--ease-luxury),
    box-shadow var(--duration-fast) var(--ease-luxury),
    background-color var(--duration-fast) var(--ease-luxury);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn:active {
  transform: translateY(-1px);
}

.btn-primary {
  --btn-bg: var(--color-green-600);
}

.btn-primary:hover {
  --btn-bg: var(--color-green-700);
}

.btn-accent {
  --btn-bg: var(--brand-accent);
}

.btn-accent:hover {
  --btn-bg: var(--color-red-600);
}

.btn-ghost {
  --btn-bg: transparent;
  --btn-fg: var(--color-white);
  border-color: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(6px);
}

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

.btn-outline {
  --btn-bg: transparent;
  --btn-fg: var(--color-green-700);
  border-color: var(--color-green-600);
}

.btn-outline:hover {
  --btn-bg: var(--color-green-600);
  --btn-fg: var(--color-white);
}

.btn-sm {
  padding: 0.7rem 1.4rem;
  font-size: var(--fs-xs);
}

.btn svg {
  width: 1.1em;
  height: 1.1em;
  flex-shrink: 0;
}

[dir='rtl'] .btn svg.icon-flip {
  transform: scaleX(-1);
}

/* ---- Badges / pills ---- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.4em 1em;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 700;
  background: var(--color-green-50);
  color: var(--color-green-700);
  border: 1px solid var(--color-green-100);
}

/* ---- Utility ---- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.grid { display: grid; }
.flex { display: flex; }
.hidden { display: none !important; }
.icon-sprite { display: none; }
.btn-block { width: 100%; }

.section-head p + p,
.stack-gap > * + * {
  margin-top: var(--space-4);
}

.stats-note {
  margin-top: var(--space-6);
}

/* Stagger delays for statically-repeated card groups (no inline styles) */
.pillars-grid > *:nth-child(1) { transition-delay: 0ms; }
.pillars-grid > *:nth-child(2) { transition-delay: 90ms; }
.pillars-grid > *:nth-child(3) { transition-delay: 180ms; }

.stats-grid > *:nth-child(1) { transition-delay: 0ms; }
.stats-grid > *:nth-child(2) { transition-delay: 90ms; }
.stats-grid > *:nth-child(3) { transition-delay: 180ms; }
.stats-grid > *:nth-child(4) { transition-delay: 270ms; }

.project-grid > *:nth-child(1) { transition-delay: 0ms; }
.project-grid > *:nth-child(2) { transition-delay: 90ms; }
.project-grid > *:nth-child(3) { transition-delay: 180ms; }
.project-grid > *:nth-child(4) { transition-delay: 270ms; }
.project-grid > *:nth-child(5) { transition-delay: 360ms; }
.project-grid > *:nth-child(6) { transition-delay: 450ms; }

.why-grid > *:nth-child(1) { transition-delay: 0ms; }
.why-grid > *:nth-child(2) { transition-delay: 90ms; }
.why-grid > *:nth-child(3) { transition-delay: 180ms; }
.why-grid > *:nth-child(4) { transition-delay: 270ms; }
.why-grid > *:nth-child(5) { transition-delay: 360ms; }
.why-grid > *:nth-child(6) { transition-delay: 450ms; }

.process-track > *:nth-child(1) { transition-delay: 0ms; }
.process-track > *:nth-child(2) { transition-delay: 80ms; }
.process-track > *:nth-child(3) { transition-delay: 160ms; }
.process-track > *:nth-child(4) { transition-delay: 240ms; }
.process-track > *:nth-child(5) { transition-delay: 320ms; }
.process-track > *:nth-child(6) { transition-delay: 400ms; }
.process-track > *:nth-child(7) { transition-delay: 480ms; }

.video-grid > *:nth-child(1) { transition-delay: 0ms; }
.video-grid > *:nth-child(2) { transition-delay: 120ms; }

.services-grid > *:nth-child(6n+1) { transition-delay: 0ms; }
.services-grid > *:nth-child(6n+2) { transition-delay: 70ms; }
.services-grid > *:nth-child(6n+3) { transition-delay: 140ms; }
.services-grid > *:nth-child(6n+4) { transition-delay: 210ms; }
.services-grid > *:nth-child(6n+5) { transition-delay: 280ms; }
.services-grid > *:nth-child(6n+6) { transition-delay: 350ms; }

.gallery-grid > *:nth-child(4n+1) { transition-delay: 0ms; }
.gallery-grid > *:nth-child(4n+2) { transition-delay: 70ms; }
.gallery-grid > *:nth-child(4n+3) { transition-delay: 140ms; }
.gallery-grid > *:nth-child(4n+4) { transition-delay: 210ms; }

.testimonial-track > *:nth-child(1) { transition-delay: 0ms; }
.testimonial-track > *:nth-child(2) { transition-delay: 90ms; }
.testimonial-track > *:nth-child(3) { transition-delay: 180ms; }

.faq-list > *:nth-child(1) { transition-delay: 0ms; }
.faq-list > *:nth-child(2) { transition-delay: 60ms; }
.faq-list > *:nth-child(3) { transition-delay: 120ms; }
.faq-list > *:nth-child(4) { transition-delay: 180ms; }
.faq-list > *:nth-child(5) { transition-delay: 240ms; }
.faq-list > *:nth-child(6) { transition-delay: 300ms; }

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.94);
  transition: opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

.reveal-scale.is-visible {
  opacity: 1;
  transform: scale(1);
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }
}