/* ============================================
   LARKSPUR LANE — Design System
   Elevated Editorial • Quiet Luxury
   ============================================ */

/* --- Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,200;0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,200;1,9..40,300;1,9..40,400&family=Playfair+Display:ital,wght@0,400;0,500;0,600;1,400;1,500&display=swap');

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

/* --- Variables --- */
:root {
  --color-white: #FFFFFF;
  --color-offwhite: #FAF9F7;
  --color-light: #F4F2EF;
  --color-mid: #E5E1DC;
  --color-warm: #B5AFA6;
  --color-muted: #8A847C;
  --color-dark: #2A2725;
  --color-black: #1A1816;
  --color-gold: #B8A88A;
  --color-gold-soft: #CFC2AB;

  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 7rem;
  --spacing-2xl: 10rem;

  --max-width: 1200px;
  --max-width-narrow: 720px;
  --max-width-wide: 1400px;

  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-out: cubic-bezier(0.0, 0.0, 0.2, 1);
}

/* --- Base --- */
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--color-dark);
  background-color: var(--color-offwhite);
  line-height: 1.75;
  letter-spacing: 0.005em;
}

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

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

::selection {
  background-color: var(--color-gold-soft);
  color: var(--color-black);
}

/* --- Typography --- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  color: var(--color-black);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-black);
}

h3 {
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  color: var(--color-dark);
}

h4 {
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-family: var(--font-sans);
  color: var(--color-muted);
}

p {
  font-size: 0.98rem;
  max-width: 640px;
  font-weight: 300;
  color: var(--color-muted);
}

.text-serif {
  font-family: var(--font-display);
}

.text-center {
  text-align: center;
}

.text-center p {
  margin-left: auto;
  margin-right: auto;
}

.subline {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-warm);
}

.anchor-line {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-gold);
  letter-spacing: 0.03em;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

section {
  padding: var(--spacing-xl) 0;
}

.section--dark {
  background-color: var(--color-black);
  color: var(--color-offwhite);
}

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

.section--dark p {
  color: var(--color-warm);
}

.section--dark .subline,
.section--dark h4 {
  color: var(--color-warm);
}

.section--tinted {
  background-color: var(--color-light);
}

/* --- Divider --- */
.divider {
  width: 48px;
  height: 1px;
  background-color: var(--color-gold);
  margin: var(--spacing-md) 0;
  opacity: 0.6;
}

.divider--center {
  margin-left: auto;
  margin-right: auto;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.6rem 0;
  transition: all 0.6s var(--ease);
  background-color: transparent;
}

.nav.scrolled {
  background-color: rgba(250, 249, 247, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 1rem 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.nav__logo {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-black);
  transition: opacity 0.3s var(--ease);
}

.nav__logo:hover {
  opacity: 0.6;
}

.nav__links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  align-items: center;
}

.nav__links a {
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-dark);
  transition: opacity 0.3s var(--ease);
  position: relative;
}

.nav__links a:hover {
  opacity: 0.5;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-gold);
  transition: width 0.4s var(--ease);
}

.nav__links a.active::after {
  width: 100%;
}

/* Mobile menu */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle span {
  display: block;
  width: 20px;
  height: 1px;
  background-color: var(--color-dark);
  margin: 5px 0;
  transition: all 0.4s var(--ease);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-md);
  position: relative;
  background-color: var(--color-offwhite);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 50% 40%, rgba(184, 168, 138, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero__content {
  max-width: 800px;
  position: relative;
}

.hero__anchor {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-warm);
  margin-bottom: var(--spacing-lg);
}

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

.hero .divider {
  margin-bottom: var(--spacing-lg);
}

.hero p {
  margin: 0 auto var(--spacing-lg);
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.9;
  max-width: 560px;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  padding: 16px 48px;
  border: 1px solid var(--color-dark);
  background: transparent;
  color: var(--color-dark);
  cursor: pointer;
  transition: all 0.5s var(--ease);
}

.btn:hover {
  background-color: var(--color-dark);
  color: var(--color-offwhite);
}

.btn--primary {
  background-color: var(--color-dark);
  color: var(--color-offwhite);
}

.btn--primary:hover {
  background-color: transparent;
  color: var(--color-dark);
}

.btn--gold {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.btn--gold:hover {
  background-color: var(--color-gold);
  color: var(--color-white);
}

.section--dark .btn--gold {
  border-color: rgba(184, 168, 138, 0.4);
  color: var(--color-gold-soft);
}

.section--dark .btn--gold:hover {
  background-color: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-white);
}

.btn-group {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: center;
}

/* --- Capabilities Grid --- */
.capabilities {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.capability {
  padding: var(--spacing-lg) var(--spacing-md);
  border-top: 1px solid var(--color-mid);
  position: relative;
}

.capability:not(:last-child) {
  border-right: 1px solid var(--color-mid);
}

.capability h3 {
  margin-bottom: var(--spacing-xs);
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
}

.capability .divider {
  width: 24px;
  margin: var(--spacing-sm) 0;
}

.capability p {
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.85;
}

/* --- Content Block --- */
.content-block {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
}

.content-block p {
  color: var(--color-muted);
  font-size: 1.05rem;
  line-height: 2;
  margin-bottom: var(--spacing-md);
  max-width: none;
}

.section--dark .content-block p {
  color: var(--color-warm);
}

/* --- Clients Grid --- */
.clients-preview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
}

.clients-category {
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
  border-top: 1px solid var(--color-mid);
}

.clients-category:not(:last-child) {
  border-right: 1px solid var(--color-mid);
}

.clients-category h4 {
  margin-bottom: var(--spacing-sm);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
}

.clients-category ul {
  list-style: none;
}

.clients-category li {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--color-dark);
  padding: 0.4rem 0;
  letter-spacing: 0.01em;
  font-weight: 400;
  transition: opacity 0.3s var(--ease);
}

.clients-category li:hover {
  opacity: 0.5;
}

.clients-category li a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s var(--ease);
}

.clients-category li a:hover {
  color: var(--color-gold);
}

/* --- Clients Logo Grid --- */
.clients-section {
  margin-bottom: var(--spacing-lg);
  border-top: 1px solid var(--color-mid);
  padding-top: var(--spacing-lg);
}

.clients-section__heading {
  text-align: center;
  margin-bottom: var(--spacing-md);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
}

.clients-logo-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: stretch;
  gap: 0;
}

.client-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 200px;
  height: 100px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--color-dark);
  text-align: center;
  letter-spacing: 0.01em;
  transition: color 0.4s var(--ease), opacity 0.4s var(--ease);
  padding: var(--spacing-sm);
}

.client-logo img {
  max-width: 120px;
  max-height: 40px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: filter 0.4s var(--ease), opacity 0.4s var(--ease);
}

.client-logo:hover {
  color: var(--color-gold);
}

.client-logo:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding: var(--spacing-2xl) 0;
}

.cta-section h2 {
  margin-bottom: var(--spacing-sm);
}

.cta-section p {
  margin: 0 auto var(--spacing-lg);
}

/* --- About / Bio --- */
.bio {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
}

.bio p {
  font-size: 1.05rem;
  line-height: 2;
  color: var(--color-muted);
  margin-bottom: var(--spacing-md);
  max-width: none;
}

.bio__headshot {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.bio__headshot img {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  object-fit: cover;
  display: inline-block;
}

.bio p:first-of-type {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--color-dark);
  font-weight: 400;
}

/* --- Inquire Form --- */
.inquire-form {
  max-width: 520px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-warm);
  margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 0;
  border: none;
  border-bottom: 1px solid var(--color-mid);
  background: transparent;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--color-dark);
  transition: border-color 0.5s var(--ease);
  letter-spacing: 0.02em;
  border-radius: 0;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-bottom-color: var(--color-gold);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
  border: 1px solid var(--color-mid);
  padding: 16px;
  margin-top: 4px;
}

.form-group textarea:focus {
  border-color: var(--color-gold);
}

.form-group select {
  cursor: pointer;
}

/* --- Footer --- */
.footer {
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  border-top: 1px solid var(--color-mid);
  text-align: center;
  background-color: var(--color-offwhite);
}

.footer__logo {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-dark);
  margin-bottom: var(--spacing-xs);
}

.footer__anchor {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-gold);
  margin-bottom: var(--spacing-lg);
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.footer__links a {
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-warm);
  transition: opacity 0.3s var(--ease);
}

.footer__links a:hover {
  opacity: 0.5;
}

.footer__copy {
  font-size: 0.68rem;
  color: var(--color-warm);
  letter-spacing: 0.05em;
}

/* --- Page Header --- */
.page-header {
  padding: calc(var(--spacing-2xl) + 20px) 0 var(--spacing-xl);
  text-align: center;
  background-color: var(--color-offwhite);
}

.page-header h1 {
  margin-bottom: var(--spacing-sm);
}

/* --- Microcopy --- */
.microcopy {
  font-size: 0.78rem;
  color: var(--color-warm);
  letter-spacing: 0.02em;
}

/* --- Subtle Animation --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1.2s var(--ease-out), transform 1.2s var(--ease-out);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.hero .fade-in {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered animations for grid children */
.capabilities .fade-in:nth-child(2) {
  transition-delay: 0.15s;
}
.capabilities .fade-in:nth-child(3) {
  transition-delay: 0.3s;
}

/* --- Calendly Embed --- */
.calendly-container {
  margin-top: var(--spacing-lg);
  text-align: center;
}

.calendly-container h3 {
  margin-bottom: var(--spacing-md);
}

/* --- Horizontal rule accent --- */
.rule {
  border: none;
  border-top: 1px solid var(--color-mid);
  margin: 0;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  :root {
    --spacing-xl: 5rem;
    --spacing-2xl: 7rem;
  }

  .nav {
    padding: 1.2rem 0;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: rgba(250, 249, 247, 0.98);
    backdrop-filter: blur(24px);
    flex-direction: column;
    padding: var(--spacing-lg) var(--spacing-md);
    gap: var(--spacing-sm);
    text-align: center;
  }

  .nav__links.open {
    display: flex;
  }

  .nav__toggle {
    display: block;
  }

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

  .capability {
    border-right: none !important;
  }

  .hero {
    min-height: 85vh;
    padding: var(--spacing-xl) var(--spacing-sm);
  }

  .hero p {
    font-size: 0.92rem;
  }

  section {
    padding: var(--spacing-lg) 0;
  }

  .btn-group {
    flex-direction: column;
    align-items: center;
  }

  .clients-preview {
    grid-template-columns: 1fr 1fr;
  }

  .clients-category {
    border-right: none !important;
  }

  .clients-category:nth-child(odd) {
    border-right: 1px solid var(--color-mid) !important;
  }

  .page-header {
    padding: calc(var(--spacing-xl) + 60px) 0 var(--spacing-lg);
  }

  .footer__links {
    gap: var(--spacing-md);
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .clients-preview {
    grid-template-columns: 1fr;
  }

  .clients-category {
    border-right: none !important;
  }
}