/* ============================================
   CUSTOM PROPERTIES
   ============================================ */
:root {
  /* Palette — warm stone & earth (OKLCH) */
  --color-cream:       oklch(97.5% 0.01 80);
  --color-cream-dark:  oklch(94.5% 0.015 80);
  --color-stone:       oklch(60% 0.03 60);
  --color-stone-light: oklch(75% 0.025 60);
  --color-stone-dark:  oklch(48% 0.03 55);
  --color-terracotta:  oklch(52% 0.13 45);
  --color-terracotta-hover: oklch(45% 0.12 43);
  --color-sage:        oklch(60% 0.05 130);
  --color-sage-light:  oklch(93% 0.02 130);
  --color-ink:         oklch(25% 0.02 50);
  --color-ink-soft:    oklch(38% 0.02 50);
  --color-white:       oklch(100% 0 0);

  /* Typography */
  --font-heading: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body:    'DM Sans', Optima, Candara, sans-serif;

  /* Spacing scale */
  --space-xs:   0.5rem;
  --space-sm:   1rem;
  --space-md:   1.5rem;
  --space-lg:   2.5rem;
  --space-xl:   4rem;
  --space-2xl:  6rem;
  --space-3xl:  8rem;

  /* Layout */
  --max-width:  68rem;
  --max-width-narrow: 44rem;

  /* Transitions */
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --duration: 0.3s;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-ink);
  background-color: var(--color-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ============================================
   SKIP LINK
   ============================================ */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  z-index: 1000;
  padding: var(--space-xs) var(--space-sm);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-white);
  background-color: var(--color-ink);
  border-radius: 0 0 0.25rem 0.25rem;
  text-decoration: none;
  transition: top var(--duration) var(--ease-out);
}

.skip-link:focus {
  top: 0;
  outline: 3px solid var(--color-terracotta);
  outline-offset: 2px;
}

/* ============================================
   VISUALLY HIDDEN (screen reader only)
   ============================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================
   FOCUS STYLES
   ============================================ */
:focus-visible {
  outline: 3px solid var(--color-terracotta);
  outline-offset: 3px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* Sections receiving programmatic focus (from nav clicks) */
section[tabindex="-1"]:focus {
  outline: none;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.2;
  color: var(--color-ink);
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  font-variation-settings: 'opsz' 144;
}

h2 {
  font-size: clamp(1.75rem, 3vw + 0.5rem, 2.75rem);
  letter-spacing: -0.015em;
  font-variation-settings: 'opsz' 72;
}

h3 {
  font-size: clamp(1.25rem, 2vw + 0.25rem, 1.5rem);
  font-weight: 500;
  font-variation-settings: 'opsz' 36;
}

p {
  max-width: 65ch;
  text-wrap: pretty;
}

p + p {
  margin-top: var(--space-sm);
}

/* ============================================
   LINKS
   ============================================ */
a {
  color: var(--color-terracotta);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
  transition: color var(--duration) var(--ease-out),
              text-decoration-color var(--duration) var(--ease-out);
}

a:hover {
  color: var(--color-terracotta-hover);
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

@media (min-width: 48em) {
  .container { padding-inline: var(--space-lg); }
}

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

@media (min-width: 48em) {
  .section { padding-block: var(--space-xl); }
}

/* ============================================
   SECTION LABEL (Eyebrow)
   ============================================ */
.section-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-stone-dark);
  margin-bottom: var(--space-sm);
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding-block: var(--space-md);
  border-bottom: 1px solid oklch(86% 0.05 45);
  background-color: var(--color-cream);
  transition: padding var(--duration) var(--ease-out),
              background-color var(--duration) var(--ease-out),
              box-shadow var(--duration) var(--ease-out);
}

.site-header.is-scrolled {
  padding-block: var(--space-sm);
  background-color: oklch(97.5% 0.01 80 / 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.site-header.nav-open,
.site-header.is-scrolled.nav-open {
  background-color: var(--color-cream);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition: none;
}

.site-header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.site-name {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 500;
  font-variation-settings: 'opsz' 36;
  color: var(--color-ink);
  text-decoration: none;
}

.site-name:hover {
  color: var(--color-terracotta);
}

/* Mobile menu button */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0.625rem;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-ink);
  border-radius: 1px;
  transition: transform var(--duration) var(--ease-out),
              opacity var(--duration) var(--ease-out);
}

/* 7px = span height (2px) + gap (5px) — aligns rotation to center */
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 48em) {
  .nav-toggle {
    display: none;
  }
}

/* Navigation overlay */
.nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: oklch(25% 0.02 50 / 0.5);
  z-index: 90;
  pointer-events: none;
}

.nav-overlay.is-visible {
  display: block;
  pointer-events: auto;
}

@media (min-width: 48em) {
  .nav-overlay {
    display: none !important;
  }
}

/* Navigation */
.site-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-cream);
  border-top: 3px solid var(--color-terracotta);
  box-shadow: 0 8px 24px oklch(25% 0.02 50 / 0.15);
  padding: var(--space-md);
  z-index: 95;
  opacity: 0;
  transform: translateY(-0.5rem);
  pointer-events: none;
  transition: opacity var(--duration) var(--ease-out),
              transform var(--duration) var(--ease-out);
}

.site-nav.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

@media (min-width: 48em) {
  .site-nav {
    position: static;
    background: none;
    border-top: none;
    box-shadow: none;
    padding: 0;
    width: auto;
    opacity: 1;
    transform: none;
    pointer-events: auto;
    transition: none;
  }
}

.site-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0;
  list-style: none;
}

@media (min-width: 48em) {
  .site-nav ul {
    flex-direction: row;
    gap: var(--space-xs) var(--space-md);
  }
}

.site-nav a {
  display: block;
  padding: 0.875rem 0;
  min-height: 2.75rem;
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--color-stone-light);
  transition: color var(--duration) var(--ease-out);
}

.site-nav li:last-child a {
  border-bottom: none;
}

@media (min-width: 48em) {
  .site-nav a {
    display: inline;
    padding: 0;
    font-size: 0.9375rem;
    border-bottom: none;
  }
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--color-terracotta);
}

.site-nav a.is-active {
  color: var(--color-terracotta);
  text-shadow: 0.4px 0 0 currentColor;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

@media (min-width: 48em) {
  .hero {
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
  }
}

.hero__intro {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-stone-dark);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.02em;
}

.hero h1 {
  margin-bottom: var(--space-md);
}

.hero h1 em {
  font-style: italic;
  color: var(--color-terracotta);
  font-variation-settings: 'opsz' 144;
}

.hero__summary {
  font-size: clamp(1.125rem, 1.5vw + 0.5rem, 1.375rem);
  line-height: 1.65;
  color: var(--color-ink-soft);
  max-width: 52ch;
  margin-bottom: var(--space-lg);
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-white);
  background-color: var(--color-terracotta);
  padding: 0.875rem 1.75rem;
  border-radius: 0.25rem;
  text-decoration: none;
  transition: background-color var(--duration) var(--ease-out),
              transform var(--duration) var(--ease-out);
}

.hero__cta:hover {
  background-color: var(--color-terracotta-hover);
  color: var(--color-white);
  transform: translateY(-1px);
}

.hero__cta:active {
  transform: translateY(0);
}

.hero__cta svg {
  width: 1.125em;
  height: 1.125em;
  flex-shrink: 0;
  transition: transform var(--duration) var(--ease-out);
}

.hero__cta:hover svg {
  transform: translateX(2px);
}

/* ============================================
   WAVE DIVIDERS
   ============================================ */
.wave-divider {
  display: block;
  width: 100%;
  height: 60px;
  position: relative;
  z-index: 1;
  margin-top: -1px;
  margin-bottom: -1px;
}

@media (min-width: 48em) {
  .wave-divider {
    height: 80px;
  }
}

@media (min-width: 64em) {
  .wave-divider {
    height: 100px;
  }
}

/* ============================================
   PROBLEMS SECTION
   ============================================ */
.problems__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

@media (min-width: 48em) {
  .problems__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg) var(--space-xl);
  }
}

@media (min-width: 48em) {
  .problem-card {
    padding-top: var(--space-md);
  }
}

.problem-card h3 {
  margin-bottom: var(--space-xs);
  color: var(--color-ink);
}

.problem-card p {
  color: var(--color-ink-soft);
  font-size: 1rem;
  line-height: 1.7;
}

/* ============================================
   SECTION BACKGROUNDS
   ============================================ */
.bg-dark {
  background-color: var(--color-cream-dark);
}

/* ============================================
   HOW I WORK
   ============================================ */

.how__intro {
  font-size: clamp(1.125rem, 1.5vw + 0.5rem, 1.3125rem);
  color: var(--color-ink-soft);
  line-height: 1.65;
  max-width: 55ch;
  margin-top: var(--space-sm);
  margin-bottom: var(--space-lg);
}

@media (min-width: 48em) {
  .how__intro {
    margin-bottom: var(--space-xl);
  }
}

.how__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 48em) {
  .how__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg) var(--space-xl);
  }
}

@media (min-width: 48em) {
  .how-item {
    padding-top: var(--space-md);
  }
}

.how-item h3 {
  margin-bottom: var(--space-xs);
}

.how-item p {
  color: var(--color-ink-soft);
  font-size: 1rem;
}

/* ============================================
   SERVICES
   ============================================ */
.services__intro {
  font-size: clamp(1.125rem, 1.5vw + 0.5rem, 1.3125rem);
  color: var(--color-ink-soft);
  line-height: 1.65;
  max-width: 55ch;
  margin-top: var(--space-sm);
  margin-bottom: var(--space-lg);
}

@media (min-width: 48em) {
  .services__intro {
    margin-bottom: var(--space-xl);
  }
}

.services__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 48em) {
  .services__list {
    gap: var(--space-xl);
  }

  .service-item {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-lg);
    align-items: start;
  }
}

.service-item h3 {
  margin-bottom: var(--space-xs);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

.service-item__body p {
  color: var(--color-ink-soft);
  font-size: 1rem;
}

.service-item__body p + p {
  margin-top: var(--space-sm);
}

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

.about__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

@media (min-width: 48em) {
  .about__content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

.about__photo {
  aspect-ratio: 4 / 5;
  background-color: var(--color-stone-light);
  border-radius: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.about__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about__text p {
  color: var(--color-ink-soft);
  font-size: 1rem;
}

.about__text p + p {
  margin-top: var(--space-sm);
}

/* ============================================
   CONTACT
   ============================================ */
.contact__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: start;
}

@media (min-width: 48em) {
  .contact__layout {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

.contact__text .section-label {
  margin-bottom: 0.5rem;
}

.contact__text h2 {
  margin-bottom: var(--space-md);
}

.contact__text p {
  color: var(--color-ink-soft);
  font-size: 1rem;
}

.contact__text p + p {
  margin-top: var(--space-sm);
}

.contact__email {
  margin-top: var(--space-lg);
}

.contact__email-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-terracotta);
  text-decoration: none;
  cursor: pointer;
  transition: color var(--duration) var(--ease-out);
}

.contact__email-link:hover {
  color: var(--color-terracotta-hover);
}

.contact__email-link svg {
  width: 1.25em;
  height: 1.25em;
  flex-shrink: 0;
}

.contact__noscript {
  font-size: 0.9375rem;
  color: var(--color-stone-dark);
  font-style: italic;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  padding-block: var(--space-lg);
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
}

.site-footer p {
  font-size: 0.875rem;
  color: var(--color-stone-dark);
}

.footer-links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem;
  margin: -0.5rem;
  font-size: 0.875rem;
  color: var(--color-stone-dark);
  text-decoration: none;
  transition: color var(--duration) var(--ease-out);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--color-terracotta);
}

.footer-links svg {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
}

/* ============================================
   CONTACT FORM
   ============================================ */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-group label {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-ink);
}

.form-optional {
  font-weight: 400;
  color: var(--color-stone);
}

.form-group input,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-ink);
  background-color: var(--color-cream);
  border: 1px solid var(--color-stone-light);
  border-radius: 0.25rem;
  padding: 0.75rem 1rem;
  transition: border-color var(--duration) var(--ease-out),
              box-shadow var(--duration) var(--ease-out);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-terracotta);
  box-shadow: 0 0 0 3px rgba(191, 107, 69, 0.35);
  outline: none;
}

.form-group textarea {
  min-height: 8rem;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-stone);
}

.form-submit {
  align-self: flex-start;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-white);
  background-color: var(--color-terracotta);
  border: none;
  border-radius: 0.25rem;
  padding: 0.875rem 2rem;
  cursor: pointer;
  transition: background-color var(--duration) var(--ease-out),
              transform var(--duration) var(--ease-out);
}

.form-submit:hover {
  background-color: var(--color-terracotta-hover);
  transform: translateY(-1px);
}

.form-submit:active {
  transform: translateY(0);
}

.form-submit:focus-visible {
  outline: 3px solid var(--color-terracotta);
  outline-offset: 3px;
}

.form-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.contact-form.is-submitting {
  opacity: 0.7;
  pointer-events: none;
}

.form-error {
  color: #c53030;
  font-size: 0.9375rem;
  padding: 0.75rem 1rem;
  background-color: #fff5f5;
  border: 1px solid #feb2b2;
  border-radius: 0.25rem;
}

.form-success {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
}

.form-success svg {
  width: 4rem;
  height: 4rem;
  color: var(--color-terracotta);
  margin-bottom: var(--space-sm);
}

.form-success h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 0.5rem;
}

.form-success p {
  color: var(--color-ink-soft);
  font-size: 1rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */
/* Progressive enhancement: animations only run when JS adds .js-animate class */
@media (prefers-reduced-motion: no-preference) {
  .js-animate .fade-in {
    opacity: 0;
    transform: translateY(1.5rem);
    animation: fadeIn 0.8s var(--ease-out) forwards;
  }

  .js-animate .fade-in:nth-child(2) { animation-delay: 0.1s; }
  .js-animate .fade-in:nth-child(3) { animation-delay: 0.2s; }
  .js-animate .fade-in:nth-child(4) { animation-delay: 0.3s; }

  @keyframes fadeIn {
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .js-animate .hero__intro   { animation-delay: 0s; }
  .js-animate .hero h1       { animation-delay: 0.15s; }
  .js-animate .hero__summary { animation-delay: 0.3s; }
  .js-animate .hero__cta-wrap { animation-delay: 0.45s; }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }
  .site-header,
  .site-footer,
  .hero__cta,
  .contact-form { display: none; }
  .section { padding-block: 1.5rem; }
  a { color: #000; }
  a[href]::after { content: " (" attr(href) ")"; font-size: 0.85em; }
  /* Preserve contact email in print */
  .contact__email-link::after { content: none; }
  .contact__email { font-weight: bold; }
}