/* =============================================================
   PETRA INDIGENOUS HOLDINGS — STYLESHEET
   Design tokens:
   - Colors: deep teal (primary), terracotta + ochre (accents),
     warm cream (background), charcoal (text)
   - Type: Fraunces (display) + Inter (body/UI)
============================================================= */

:root {
  /* Color palette */
  --color-teal: #1C3D3A;          /* deep forest/teal - primary */
  --color-teal-light: #2A5650;    /* lighter teal for hovers/gradients */
  --color-terracotta: #C1502E;    /* warm accent */
  --color-ochre: #D9A441;         /* gold accent */
  --color-cream: #FAF6EE;         /* main background */
  --color-cream-alt: #F1EAD9;     /* card/section background */
  --color-charcoal: #2B2622;      /* primary text */
  --color-charcoal-soft: #5A534C; /* secondary text */
  --color-white: #FFFFFF;

  /* Typography */
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Layout */
  --container-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --shadow-soft: 0 10px 30px -10px rgba(28, 61, 58, 0.25);
  --shadow-card: 0 14px 40px -18px rgba(28, 61, 58, 0.35);

  /* Transitions */
  --transition: 0.25s ease;
}

/* =============================================================
   RESET & BASE STYLES
============================================================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-charcoal);
  background-color: var(--color-cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

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

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* =============================================================
   TYPOGRAPHY HELPERS
============================================================= */
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-ochre);
  margin-bottom: 14px;
}

.eyebrow-dark {
  color: var(--color-terracotta);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  line-height: 1.15;
  color: var(--color-teal);
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.section-title-light {
  color: var(--color-white);
}

.section-lead {
  font-size: 1.05rem;
  color: var(--color-charcoal-soft);
  max-width: 540px;
}

.section-lead-light {
  color: rgba(250, 246, 238, 0.78);
}

.section-heading {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-heading .section-lead {
  margin: 0 auto;
}

/* =============================================================
   BUTTONS
============================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), color var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-terracotta), var(--color-ochre));
  color: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px -12px rgba(193, 80, 46, 0.55);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(4px);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

.btn-nav {
  padding: 10px 24px;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

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

/* =============================================================
   HEADER & NAVIGATION
============================================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(250, 246, 238, 0);
  transition: background-color var(--transition), box-shadow var(--transition), padding var(--transition);
  padding: 22px 0;
}

.site-header.scrolled {
  background: rgba(250, 246, 238, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: 0 6px 24px -16px rgba(28, 61, 58, 0.4);
  padding: 12px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-white);
  transition: color var(--transition);
}

.site-header.scrolled .logo {
  color: var(--color-teal);
}

.logo-mark {
  flex-shrink: 0;
  color: currentColor;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}

.logo-subtitle {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-ochre);
  font-weight: 600;
}

/* Primary nav */
.primary-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.primary-nav ul {
  display: flex;
  gap: 32px;
}

.nav-link {
  position: relative;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-white);
  padding: 6px 2px;
  transition: color var(--transition);
}

.site-header.scrolled .nav-link {
  color: var(--color-charcoal);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--color-ochre);
  transition: width var(--transition);
}

.nav-link:hover::after,
.nav-link.active-link::after {
  width: 100%;
}

.nav-link:hover {
  color: var(--color-ochre);
}

.site-header.scrolled .nav-link:hover {
  color: var(--color-terracotta);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  z-index: 1100;
}

.nav-toggle .bar {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: background-color var(--transition), transform var(--transition), opacity var(--transition);
}

.site-header.scrolled .nav-toggle .bar {
  background: var(--color-teal);
}

/* =============================================================
   HERO SECTION
============================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--color-white);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(28, 61, 58, 0.55) 0%, rgba(28, 61, 58, 0.78) 55%, rgba(28, 61, 58, 0.92) 100%),
    linear-gradient(115deg, rgba(28, 61, 58, 0.85) 10%, rgba(28, 61, 58, 0.25) 60%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 120px;
  padding-bottom: 160px;
  max-width: 760px;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}

.hero-text {
  font-size: 1.1rem;
  color: rgba(250, 246, 238, 0.88);
  max-width: 620px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

/* Decorative horizon divider between sections */
.section-divider {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 90px;
  z-index: 1;
}

/* =============================================================
   ABOUT SECTION
============================================================= */
.about {
  background-color: var(--color-cream);
  padding: 100px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-image-wrap {
  position: relative;
}

.about-image {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.about-badge {
  position: absolute;
  bottom: -28px;
  left: -28px;
  background: var(--color-teal);
  color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 22px 28px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow-soft);
  border: 4px solid var(--color-cream);
}

.badge-number {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--color-ochre);
  line-height: 1;
}

.badge-label {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(250, 246, 238, 0.85);
}

.about-content p {
  color: var(--color-charcoal-soft);
  margin-bottom: 16px;
}

.about-points {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-points li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  color: var(--color-teal);
}

.about-points i {
  color: var(--color-terracotta);
  font-size: 1.05rem;
}

/* =============================================================
   SERVICES SECTION
============================================================= */
.services {
  background-color: var(--color-cream-alt);
  padding: 100px 0;
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 38px 30px;
  text-align: left;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(28, 61, 58, 0.06);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 22px 50px -20px rgba(193, 80, 46, 0.35);
  border-color: var(--color-ochre);
}

.service-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-teal), var(--color-teal-light));
  color: var(--color-ochre);
  font-size: 1.5rem;
  margin-bottom: 22px;
  transition: transform var(--transition);
}

.service-card:hover .service-icon {
  transform: rotate(-6deg) scale(1.06);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-teal);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--color-charcoal-soft);
}

/* =============================================================
   CONTACT SECTION
============================================================= */
.contact {
  background: linear-gradient(160deg, var(--color-teal) 0%, #16302E 100%);
  color: var(--color-white);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -120px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(217, 164, 65, 0.18), transparent 70%);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  position: relative;
  z-index: 1;
}

.contact-details {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.contact-details li {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(217, 164, 65, 0.15);
  color: var(--color-ochre);
  font-size: 1.05rem;
  flex-shrink: 0;
}

.contact-label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ochre);
  margin-bottom: 4px;
}

.contact-details a {
  font-weight: 600;
  font-size: 1.05rem;
  transition: color var(--transition);
}

.contact-details a:hover {
  color: var(--color-ochre);
}

/* Contact form */
.contact-form-wrap {
  background: var(--color-cream);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card);
  color: var(--color-charcoal);
}

.form-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-teal);
  margin-bottom: 24px;
  font-weight: 600;
}

.form-row {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-row label {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-teal);
  text-transform: uppercase;
}

.form-row input,
.form-row textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(28, 61, 58, 0.15);
  background: var(--color-white);
  color: var(--color-charcoal);
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-ochre);
  box-shadow: 0 0 0 4px rgba(217, 164, 65, 0.18);
}

.form-note {
  margin-top: 16px;
  font-size: 0.82rem;
  color: var(--color-charcoal-soft);
  text-align: center;
}

/* Honeypot field — visually hidden from real users, present for bots */
.honeypot-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Form submission status message */
.form-status {
  margin-top: 14px;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
  min-height: 1.2em;
  border-radius: var(--radius-sm);
  padding: 0;
  transition: padding var(--transition);
}

.form-status.success {
  color: #1C3D3A;
  background: rgba(76, 175, 80, 0.15);
  padding: 12px;
}

.form-status.error {
  color: #8a2c1c;
  background: rgba(193, 80, 46, 0.12);
  padding: 12px;
}

.form-status.loading {
  color: var(--color-charcoal-soft);
}

/* Disabled submit button state while sending */
.btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none !important;
}

/* =============================================================
   FOOTER
============================================================= */
.site-footer {
  background: #102725;
  color: rgba(250, 246, 238, 0.8);
  padding-top: 70px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1.3fr;
  gap: 48px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(250, 246, 238, 0.1);
}

.footer-brand .logo {
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer-tagline {
  max-width: 320px;
  font-size: 0.95rem;
  color: rgba(250, 246, 238, 0.6);
}

.footer-links h4,
.footer-contact h4 {
  font-family: var(--font-display);
  color: var(--color-white);
  font-size: 1.05rem;
  margin-bottom: 18px;
  font-weight: 600;
}

.footer-links ul,
.footer-contact ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  transition: color var(--transition);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--color-ochre);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  line-height: 1.5;
}

.footer-contact i {
  color: var(--color-ochre);
  margin-top: 3px;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(250, 246, 238, 0.5);
}

/* =============================================================
   BACK TO TOP BUTTON
============================================================= */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-terracotta), var(--color-ochre));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 900;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
}

/* =============================================================
   RESPONSIVE — TABLET
============================================================= */
@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-image {
    height: 380px;
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* =============================================================
   RESPONSIVE — MOBILE
============================================================= */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .primary-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(320px, 80%);
    background: var(--color-teal);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 40px;
    padding: 0 40px;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 1050;
  }

  .primary-nav.open {
    transform: translateX(0);
  }

  .primary-nav ul {
    flex-direction: column;
    gap: 24px;
  }

  .primary-nav .nav-link,
  .site-header.scrolled .primary-nav .nav-link {
    color: var(--color-cream);
    font-size: 1.25rem;
  }

  .btn-nav {
    width: 100%;
    justify-content: center;
  }

  /* Hamburger -> X animation when nav open */
  .nav-toggle[aria-expanded="true"] .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle[aria-expanded="true"] .bar:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle[aria-expanded="true"] .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  /* Keep toggle bars visible (white) over fixed dark nav when open */
  .nav-toggle[aria-expanded="true"] .bar {
    background: var(--color-teal) !important;
  }

  .hero-content {
    padding-top: 140px;
    padding-bottom: 120px;
  }

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

  .about-badge {
    left: 16px;
    bottom: -22px;
    padding: 16px 20px;
  }

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

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.4rem;
  }

  .contact-form-wrap {
    padding: 28px 22px;
  }
}