/* ============================================================
   ORIGINAT.ING — Design System
   Stack: Pure CSS · Google Fonts
   Palette: Warm neutral + bronze accent
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Inter:wght@300;400;500&display=swap');

/* ============================================================
   VARIABLES
   ============================================================ */

:root {
  /* Color */
  --color-bg:           #F8F6F2;
  --color-bg-alt:       #F0EDE7;
  --color-bg-dark:      #0F0E0C;
  --color-text:         #111010;
  --color-text-muted:   #7A7671;
  --color-text-faint:   #B0ADA7;
  --color-accent:       #8C7B68;
  --color-accent-light: #C4B5A4;
  --color-border:       #E2DED7;
  --color-border-dark:  #2A2825;
  --color-white:        #FFFFFF;

  /* Typography */
  --font-display: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Scale */
  --text-xs:   0.6875rem;   /* 11px */
  --text-sm:   0.8125rem;   /* 13px */
  --text-base: 1rem;        /* 16px */
  --text-md:   1.0625rem;   /* 17px */
  --text-lg:   1.25rem;     /* 20px */
  --text-xl:   1.5rem;      /* 24px */
  --text-2xl:  2rem;        /* 32px */
  --text-3xl:  2.75rem;     /* 44px */
  --text-4xl:  3.75rem;     /* 60px */
  --text-hero: clamp(2.5rem, 5.5vw, 5rem);
  --text-display: clamp(2rem, 4vw, 3.25rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --space-40: 10rem;

  /* Layout */
  --max-width:        1200px;
  --content-width:    720px;
  --gutter:           clamp(1.25rem, 4vw, 3rem);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast:   180ms;
  --duration-base:   280ms;
  --duration-slow:   480ms;
  --duration-enter:  700ms;
}

/* ============================================================
   RESET + BASE
   ============================================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: var(--text-md);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

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

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

.display {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--text-hero);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.display-md {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--text-display);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.display-sm {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-2xl);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.eyebrow {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.body-lg {
  font-size: var(--text-lg);
  line-height: 1.65;
  font-weight: 300;
}

.body-md {
  font-size: var(--text-md);
  line-height: 1.7;
  font-weight: 300;
}

.body-sm {
  font-size: var(--text-sm);
  line-height: 1.6;
  font-weight: 300;
}

/* ============================================================
   LAYOUT
   ============================================================ */

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

.container--narrow {
  max-width: calc(var(--content-width) + var(--gutter) * 2);
}

.section {
  padding-top: var(--space-32);
  padding-bottom: var(--space-32);
}

.section--sm {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

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

/* ============================================================
   NAVIGATION
   ============================================================ */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 72px;
  display: flex;
  align-items: center;
  transition: background-color var(--duration-base) var(--ease-in-out),
              border-bottom-color var(--duration-base) var(--ease-in-out);
}

.site-nav.scrolled {
  background-color: rgba(248, 246, 242, 0.94);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.3rem;
  letter-spacing: 0.04em;
  color: var(--color-text);
  transition: color var(--duration-fast) var(--ease-in-out);
}

.nav-logo:hover { color: var(--color-accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-10);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease-in-out);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-out);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

/* Mobile menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background-color: var(--color-text);
  transition: transform var(--duration-base) var(--ease-out),
              opacity var(--duration-base) var(--ease-out);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 640px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-10);
    background-color: var(--color-bg);
  }
  .nav-links.open { display: flex; }
  .nav-link {
    font-size: var(--text-lg);
    letter-spacing: 0.1em;
  }
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: var(--space-24);
  padding-top: 72px;
}

.hero-inner {
  max-width: 900px;
}

.hero-label {
  margin-bottom: var(--space-8);
}

.hero-headline {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--text-hero);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-8);
  max-width: 820px;
}

.hero-headline em {
  font-style: italic;
  color: var(--color-accent);
}

.hero-sub {
  max-width: 480px;
  color: var(--color-text-muted);
  font-size: var(--text-md);
  font-weight: 300;
  line-height: 1.65;
  margin-bottom: var(--space-12);
}

/* ============================================================
   BUTTONS & CTA
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-4) var(--space-8);
  transition: all var(--duration-base) var(--ease-out);
  position: relative;
}

.btn-primary {
  background-color: var(--color-text);
  color: var(--color-bg);
  border: 1px solid var(--color-text);
}

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

.btn-outline {
  background-color: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-text);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-muted);
  border: none;
  padding-left: 0;
  padding-right: 0;
}

.btn-ghost:hover { color: var(--color-text); }

.arrow {
  display: inline-block;
  transition: transform var(--duration-base) var(--ease-out);
}

.btn:hover .arrow {
  transform: translateX(4px);
}

/* ============================================================
   DIVIDERS
   ============================================================ */

.rule {
  width: 100%;
  height: 1px;
  background-color: var(--color-border);
}

.rule--accent {
  width: 40px;
  height: 1px;
  background-color: var(--color-accent);
}

/* ============================================================
   PRINCIPLES / FEATURE LIST
   ============================================================ */

.principles {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
  border-top: 1px solid var(--color-border);
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-12) var(--space-16);
}

.principle {
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.principle-number {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  margin-bottom: var(--space-6);
  font-style: italic;
}

.principle-text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 300;
  line-height: 1.3;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.principle-body {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

@media (max-width: 800px) {
  .principles-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10) var(--space-8);
  }
}

@media (max-width: 520px) {
  .principles-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */

.page-header {
  padding-top: calc(72px + var(--space-24));
  padding-bottom: var(--space-16);
}

.page-title {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.prose {
  font-size: var(--text-md);
  line-height: 1.8;
  font-weight: 300;
  color: var(--color-text);
}

.prose p {
  margin-bottom: var(--space-8);
}

.prose p:last-child {
  margin-bottom: 0;
}

.prose p.lead {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 300;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-bottom: var(--space-12);
}

.prose-divider {
  margin: var(--space-16) 0;
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.prose-divider::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background-color: var(--color-accent);
}

/* ============================================================
   FORMS
   ============================================================ */

.form-section {
  padding-top: calc(72px + var(--space-24));
  padding-bottom: var(--space-32);
}

.form-header {
  margin-bottom: var(--space-16);
}

.form-title {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}

.form-subtitle {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  max-width: 440px;
  line-height: 1.65;
  font-weight: 300;
}

.form-group {
  margin-bottom: var(--space-8);
}

.form-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.form-input,
.form-textarea {
  width: 100%;
  background-color: transparent;
  border: 1px solid var(--color-border);
  border-radius: 0;
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-base);
  font-weight: 300;
  color: var(--color-text);
  transition: border-color var(--duration-base) var(--ease-in-out);
  outline: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-faint);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

@media (max-width: 520px) {
  .form-row { grid-template-columns: 1fr; }
}

.form-submit {
  margin-top: var(--space-10);
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
}

/* Success state */
.form-success {
  display: none;
  padding: var(--space-10) 0;
}

.form-success.visible {
  display: block;
}

.form-success-icon {
  width: 32px;
  height: 32px;
  border: 1px solid var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
}

.form-success-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 300;
  margin-bottom: var(--space-4);
}

.form-success-body {
  font-size: var(--text-md);
  color: var(--color-text-muted);
}

/* ============================================================
   SUBSCRIBE PAGE — special
   ============================================================ */

.subscribe-hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 72px;
}

.subscribe-statement {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  font-weight: 300;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: var(--space-16);
  padding-top: var(--space-12);
  border-top: 1px solid var(--color-border);
}

.subscribe-statement strong {
  color: var(--color-text);
  font-weight: 300;
}

.subscribe-form-wrap {
  max-width: 480px;
}

.subscribe-input-row {
  display: flex;
  gap: 0;
  margin-bottom: var(--space-6);
}

.subscribe-input-row .form-input {
  flex: 1;
  border-right: none;
}

.subscribe-input-row .btn-primary {
  flex-shrink: 0;
  white-space: nowrap;
}

@media (max-width: 520px) {
  .subscribe-input-row {
    flex-direction: column;
    gap: var(--space-4);
  }
  .subscribe-input-row .form-input {
    border-right: 1px solid var(--color-border);
  }
}

.subscribe-caveat {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.06em;
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  padding: var(--space-12) 0;
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-32);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  gap: var(--space-8);
}

.footer-link {
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  transition: color var(--duration-fast) var(--ease-in-out);
}

.footer-link:hover { color: var(--color-text-muted); }

.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

@media (max-width: 600px) {
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-6);
  }
}

/* ============================================================
   PAGE TRANSITIONS + ANIMATIONS
   ============================================================ */

/* Page enter */
body {
  animation: pageIn var(--duration-slow) var(--ease-out) both;
}

@keyframes pageIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

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

/* Stagger reveal */
.reveal-group .reveal:nth-child(1) { transition-delay: 0ms; }
.reveal-group .reveal:nth-child(2) { transition-delay: 80ms; }
.reveal-group .reveal:nth-child(3) { transition-delay: 160ms; }

/* ============================================================
   UTILITIES
   ============================================================ */

.text-muted   { color: var(--color-text-muted); }
.text-faint   { color: var(--color-text-faint); }
.text-accent  { color: var(--color-accent); }
.italic       { font-style: italic; }
.mt-auto      { margin-top: auto; }
.mb-0         { margin-bottom: 0 !important; }

/* Visually hidden (accessible) */
.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;
}