/* ============================================================
   Pietra Ventures — v2 Design System
   Tokens mirror the Figma variable collections
   ============================================================ */

:root {
  /* Color — primitives */
  --white: #ffffff;
  --cream-50: #f9faf5;
  --cream-100: #eeebe2;
  --stone-200: #c8c3b8;
  --tan-500: #ac8c65;
  --tan-600: #8f7350;
  --gray-500: #7a7872;
  --charcoal-800: #454641;
  --charcoal-950: #1c1c1c;

  /* Color — semantic */
  --color-bg-page: var(--cream-100);
  --color-bg-surface: var(--cream-50);
  --color-bg-brand: var(--tan-500);
  --color-bg-brand-hover: var(--tan-600);
  --color-bg-media: var(--stone-200);
  --color-text-primary: var(--charcoal-800);
  --color-text-secondary: var(--gray-500);
  --color-text-brand: var(--tan-500);
  --color-text-inverse: var(--cream-50);
  --color-text-inverse-muted: rgba(249, 250, 245, 0.75);
  --color-border-default: rgba(69, 70, 65, 0.2);
  --color-border-inverse: rgba(249, 250, 245, 0.3);

  /* Spacing */
  --space-4: 4px;   --space-8: 8px;   --space-12: 12px;
  --space-16: 16px; --space-20: 20px; --space-24: 24px;
  --space-32: 32px; --space-40: 40px; --space-48: 48px;
  --space-64: 64px; --space-80: 80px; --space-96: 96px;
  --space-120: 120px;

  /* Type */
  --font-display: 'Cormorant', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 200ms;
  --dur-med: 400ms;
  --dur-slow: 800ms;

  --container-pad: var(--space-80);
}

@media (max-width: 767px) {
  :root { --container-pad: var(--space-20); }
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text-primary);
  background: var(--color-bg-page);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; border: none; background: none; cursor: pointer; }
ul { list-style: none; }

::selection { background: var(--tan-500); color: var(--cream-50); }

/* ---------- Typography ---------- */
.display {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(40px, 4.4vw, 64px);
  line-height: 1.12;
  letter-spacing: -0.5px;
}
.h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(32px, 3vw, 44px);
  line-height: 1.18;
  letter-spacing: -0.25px;
}
.h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(26px, 2.2vw, 32px);
  line-height: 1.25;
}
.h4 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 24px;
  line-height: 1.25;
}
.body-lg { font-size: 18px; line-height: 1.55; }
.body-md { font-size: 16px; line-height: 1.5; }
.body-sm { font-size: 14px; line-height: 1.5; }

.eyebrow {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-text-brand);
}
.text-secondary { color: var(--color-text-secondary); }
.text-center { text-align: center; }

.wordmark {
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-text-primary);
  transition: opacity var(--dur-fast) var(--ease-out);
}
.wordmark:hover { opacity: 0.7; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.section { padding-top: var(--space-96); padding-bottom: var(--space-96); }
.section--tight-top { padding-top: var(--space-40); }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-64);
  align-items: center;
}
.two-col--top { align-items: start; }

@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; gap: var(--space-32); }
  .two-col .media-first-mobile { order: -1; }
  .section { padding-top: var(--space-64); padding-bottom: var(--space-64); }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  padding: 15px var(--space-24);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  line-height: 1.15;
  transition: background-color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
  will-change: transform;
}
.btn:active { transform: scale(0.98); }

.btn .btn-arrow {
  width: 10px; height: 10px; flex: 0 0 auto;
  transition: transform var(--dur-fast) var(--ease-out);
}
.btn:hover .btn-arrow { transform: translate(2px, -2px); }

.btn--primary { background: var(--color-bg-brand); color: var(--color-text-inverse); }
.btn--primary:hover { background: var(--color-bg-brand-hover); }

.btn--secondary {
  background: var(--color-bg-surface);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-default);
}
.btn--secondary:hover { border-color: var(--charcoal-800); }

.btn--inverse { background: var(--color-bg-surface); color: var(--color-text-primary); }
.btn--inverse:hover { background: var(--white); }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--cream-50) 92%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-default);
  transition: box-shadow var(--dur-med) var(--ease-out);
}
.nav.is-scrolled { box-shadow: 0 4px 24px rgba(69, 70, 65, 0.06); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}
.nav-right { display: flex; align-items: center; gap: var(--space-40); }
.nav-links { display: flex; align-items: center; gap: var(--space-32); }

.nav-link {
  position: relative;
  font-size: 13px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--color-text-primary);
  padding: 4px 0;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--tan-500);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-med) var(--ease-out);
}
.nav-link:hover::after,
.nav-link[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.nav-link[aria-current="page"] { color: var(--tan-500); }

.nav-toggle { display: none; padding: 8px; margin-right: -8px; }
.nav-toggle svg { display: block; }
.nav-toggle .line {
  transform-origin: center;
  transition: transform var(--dur-med) var(--ease-out), opacity var(--dur-fast);
}
.nav-toggle.is-open .line-1 { transform: translateY(5px) rotate(45deg); }
.nav-toggle.is-open .line-2 { opacity: 0; }
.nav-toggle.is-open .line-3 { transform: translateY(-5px) rotate(-45deg); }

/* Mobile drawer */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  top: 74px;
  z-index: 40;
  background: var(--cream-50);
  padding: var(--space-32) var(--space-20);
  flex-direction: column;
  gap: var(--space-8);
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
}
.mobile-menu.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.mobile-menu a {
  font-family: var(--font-display);
  font-size: 28px;
  padding: var(--space-12) 0;
  border-bottom: 1px solid var(--color-border-default);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color var(--dur-fast), padding-left var(--dur-fast) var(--ease-out);
}
.mobile-menu a:hover { color: var(--tan-500); padding-left: var(--space-8); }
.mobile-menu .btn { 
	font-family: var(--font-body);
	font-size: 12px;
	padding: 15px var(--space-24);
	margin-top: var(--space-24); 
	justify-content: center; 
}

@media (max-width: 900px) {
  .nav-links, .nav .btn { display: none; }
  .nav-toggle { display: block; }
  .mobile-menu { display: flex; }
  .nav-inner { padding-top: var(--space-16); padding-bottom: var(--space-16); }
}

/* ---------- Hero ---------- */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-32);
  padding-top: var(--space-120);
  padding-bottom: var(--space-120);
}
.hero .display { max-width: 760px; }
.hero .body-lg { max-width: 560px; }
@media (max-width: 767px) {
  .hero { padding-top: var(--space-80); padding-bottom: var(--space-80); gap: var(--space-24); }
}

.statement { max-width: 1000px; margin: 0 auto; }

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
}
.card-grid--three { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) {
  .card-grid, .card-grid--three { grid-template-columns: 1fr; gap: var(--space-16); }
}

.card { display: flex; flex-direction: column; }
.card-media {
  position: relative;
  height: 360px;
  background: var(--color-bg-media);
  overflow: hidden;
}
.card-grid--three .card-media { height: 260px; }
@media (max-width: 767px) { .card-media, .card-grid--three .card-media { height: 240px; } }

.card-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}
.card:hover .card-media img { transform: scale(1.045); }

.card-body {
  background: var(--color-bg-surface);
  padding: var(--space-32);
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  flex: 1;
}
@media (max-width: 767px) { .card-body { padding: var(--space-20); } }

.card-head { display: flex; justify-content: space-between; align-items: flex-start; }
.card-title-block { display: flex; flex-direction: column; gap: var(--space-4); }
.card .eyebrow { font-size: 12px; }

.arrow-box {
  width: 36px; height: 36px;
  flex: 0 0 auto;
  display: grid; place-items: center;
  border: 1px solid var(--color-border-default);
  transition: background-color var(--dur-fast) var(--ease-out), border-color var(--dur-fast);
}
.arrow-box svg { transition: transform var(--dur-fast) var(--ease-out); }
.card:hover .arrow-box, .accordion-item:hover .arrow-box { border-color: var(--charcoal-800); }
.card:hover .arrow-box svg { transform: translate(1px, -1px); }

/* ---------- Accordion ---------- */
.accordion { display: flex; flex-direction: column; gap: var(--space-8); }

.accordion-item { background: var(--color-bg-surface); }

.accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-24) var(--space-32);
  text-align: left;
}
@media (max-width: 767px) { .accordion-trigger { padding: var(--space-20); } }

.accordion-label-group { display: flex; align-items: center; gap: var(--space-64); }
@media (max-width: 767px) { .accordion-label-group { gap: var(--space-16); } }

.accordion-num { color: var(--color-text-brand); }
.accordion-label {
  font-size: 13px; font-weight: 500;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--color-text-primary);
}

.accordion-icon { position: relative; width: 12px; height: 12px; }
.accordion-icon::before, .accordion-icon::after {
  content: '';
  position: absolute;
  background: var(--charcoal-800);
  transition: transform var(--dur-med) var(--ease-out), opacity var(--dur-fast);
}
.accordion-icon::before { left: 0; top: 5px; width: 12px; height: 1.2px; }
.accordion-icon::after { left: 5.4px; top: 0; width: 1.2px; height: 12px; }
.accordion-item.is-open .accordion-icon::after { transform: rotate(90deg); opacity: 0; }

.accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur-med) var(--ease-out);
}
.accordion-item.is-open .accordion-panel { grid-template-rows: 1fr; }
.accordion-panel-inner { overflow: hidden; }
.accordion-panel-content {
  padding: 0 160px var(--space-24) calc(var(--space-32) + 18px + var(--space-64));
  color: var(--color-text-secondary);
}
@media (max-width: 767px) {
  .accordion-panel-content { padding: 0 var(--space-20) var(--space-20) var(--space-20); }
}

/* ---------- Sections on brand bg ---------- */
.band-brand { background: var(--color-bg-brand); color: var(--color-text-inverse); }
.band-brand .eyebrow { color: var(--color-text-inverse-muted); }
.band-brand .text-secondary { color: var(--color-text-inverse-muted); }
.band-surface { background: var(--color-bg-surface); }

/* ---------- Media frames ---------- */
.media-frame { overflow: hidden; background: var(--color-bg-media); }
.media-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-out);
}
.media-frame:hover img { transform: scale(1.03); }
.media-frame--tall { height: 520px; }
.media-frame--square { height: 480px; }
@media (max-width: 767px) {
  .media-frame--tall, .media-frame--square { height: 300px; }
}

/* ---------- Logo strip ---------- */
.logo-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-48) var(--space-96);
  align-items: center;
}
.logo-strip span {
  font-weight: 700; font-size: 13px;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--color-text-secondary);
  transition: color var(--dur-fast);
}
.logo-strip span:hover { color: var(--tan-500); }
@media (max-width: 767px) { .logo-strip { gap: var(--space-24); flex-direction: column; } }

/* ---------- Forms ---------- */
.form { display: flex; flex-direction: column; gap: var(--space-24); max-width: 720px; margin: 0 auto; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-24); }
@media (max-width: 767px) { .form-row { grid-template-columns: 1fr; gap: var(--space-16); } .form { gap: var(--space-16); } }

.form-field { display: flex; flex-direction: column; gap: var(--space-8); }
.form-field label {
  font-size: 13px; font-weight: 500;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--color-text-brand);
}
.form-field input, .form-field textarea {
  font: inherit;
  color: var(--color-text-primary);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-default);
  padding: 14px var(--space-16);
  border-radius: 0;
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.form-field textarea { min-height: 140px; resize: vertical; }
.form-field input:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--tan-500);
  box-shadow: 0 0 0 3px rgba(172, 140, 101, 0.15);
}
.form-field input::placeholder, .form-field textarea::placeholder { color: var(--color-text-secondary); }
.form-field.has-error input, .form-field.has-error textarea { border-color: #b3543e; }
.form-error { font-size: 13px; color: #b3543e; display: none; }
.form-field.has-error .form-error { display: block; animation: shake 300ms var(--ease-out); }
.form-notice { font-size: 14px; color: #b3543e; display: none; text-align: center; }

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--space-64) var(--space-24);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-default);
}
.form-success.is-visible { display: block; animation: fadeUp 600ms var(--ease-out); }

/* ---------- Footer ---------- */
.footer { background: var(--color-bg-brand); color: var(--color-text-inverse); }
.footer-inner { padding-top: var(--space-96); padding-bottom: var(--space-48); display: flex; flex-direction: column; gap: var(--space-96); }
@media (max-width: 767px) { .footer-inner { padding-top: var(--space-64); gap: var(--space-48); } }

.footer-top { display: flex; justify-content: space-between; gap: var(--space-64); }
@media (max-width: 900px) { .footer-top { flex-direction: column; } }

.footer-brand { display: flex; flex-direction: column; gap: var(--space-32); max-width: 520px; }
.footer-brand .wordmark { color: var(--color-text-inverse); }
.footer-tagline { font-family: var(--font-display); font-weight: 500; font-size: clamp(24px, 2.2vw, 32px); line-height: 1.3; }

.footer-cols { display: flex; gap: var(--space-96); }
@media (max-width: 767px) { .footer-cols { gap: var(--space-64); } }
.footer-col { display: flex; flex-direction: column; gap: var(--space-24); }
.footer-col-heading {
  font-size: 13px; font-weight: 500; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--color-text-inverse-muted);
}
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-12); }
.footer-col a { transition: opacity var(--dur-fast); }
.footer-col a:hover { opacity: 0.7; }

.footer-legal {
  display: flex; justify-content: space-between; align-items: center;
  gap: var(--space-24);
  font-size: 14px; color: var(--color-text-inverse-muted);
}
.footer-legal .links { display: flex; gap: var(--space-24); }
.footer-legal a:hover { color: var(--color-text-inverse); }
@media (max-width: 767px) { .footer-legal { flex-direction: column; align-items: flex-start; } }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hero entrance (no-scroll needed) */
.hero > * { opacity: 0; animation: fadeUp 900ms var(--ease-out) forwards; }
.hero > *:nth-child(1) { animation-delay: 100ms; }
.hero > *:nth-child(2) { animation-delay: 220ms; }
.hero > *:nth-child(3) { animation-delay: 340ms; }
.hero > *:nth-child(4) { animation-delay: 460ms; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero > * { opacity: 1; }
  html { scroll-behavior: auto; }
}