/* ==========================================================================
   The Designers Hub — Design Tokens & Base Styles
   ========================================================================== */

:root {
  /* Palette (sampled from Figma style guide) */
  --color-charcoal: #2d2d2d;
  --color-charcoal-deep: #1a1a1a;
  --color-gold: #d8a025;
  --color-gold-light: #e9b94a;
  --color-white: #ffffff;
  --color-off-white: #f8f8f8;
  --color-cloud: #e5e5e5;
  --color-border: #3a3a3a;
  --color-text-muted: #9a9a9a;
  --color-success: #43a047;
  --color-error: #e53935;

  /* Typography */
  --font-heading: "Poppins", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;

  /* Spacing scale */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 5rem;
  --space-7: 8rem;

  /* Layout */
  --container-max: 1200px;
  --radius: 4px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-charcoal-deep);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 var(--space-2);
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ---- Layout helpers ---- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.section {
  padding: var(--space-6) 0;
}

.section--dark {
  background: var(--color-charcoal-deep);
  color: var(--color-white);
}

.section--charcoal {
  background: var(--color-charcoal);
  color: var(--color-white);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-2);
}

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

.section-head {
  max-width: 640px;
  margin: 0 auto var(--space-5);
  text-align: center;
}

.section-head h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  text-transform: uppercase;
}

.section-head p {
  color: var(--color-text-muted);
}

.section--dark .section-head p,
.section--charcoal .section-head p {
  color: #c8c8c8;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 0.9rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn--gold {
  background: var(--color-gold);
  color: var(--color-charcoal-deep);
}

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

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.35);
}

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

.btn--dark {
  background: var(--color-charcoal-deep);
  color: var(--color-white);
}

.btn--dark:hover {
  background: #000;
}

.btn--block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-charcoal-deep);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  max-width: var(--container-max);
  margin: 0 auto;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.main-nav {
  display: flex;
  align-items: center;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.main-nav ul a:not(.btn) {
  color: #d8d8d8;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

.main-nav ul a:not(.btn):hover,
.main-nav ul a.is-active {
  color: var(--color-gold);
}

.nav-cta {
  margin-left: var(--space-2);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  margin: 5px 0;
  transition: transform var(--transition), opacity var(--transition);
}

/* ---- Footer ---- */
.site-footer {
  background: var(--color-charcoal-deep);
  color: #b8b8b8;
  padding: var(--space-6) 0 var(--space-3);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.footer-grid h4 {
  color: var(--color-white);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.footer-grid ul li {
  margin-bottom: 0.6rem;
}

.footer-grid a:hover {
  color: var(--color-gold);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-3);
  font-size: 0.8rem;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.social-row {
  display: flex;
  gap: var(--space-2);
}

.social-row a {
  width: 34px;
  height: 34px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition), color var(--transition);
}

.social-row a:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* ---- Cards ---- */
.card {
  background: var(--color-charcoal);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
  transition: transform var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold);
}

.card h3 {
  font-size: 1.05rem;
  color: var(--color-white);
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* ---- Grids ---- */
.grid {
  display: grid;
  gap: var(--space-3);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ---- Placeholder art (used instead of stock photography) ---- */
.art {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(160deg, #232323 0%, #1a1a1a 55%, #14110a 100%);
}

.art::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(216, 160, 37, 0.25), transparent 45%),
    repeating-linear-gradient(115deg, rgba(255,255,255,0.035) 0px, rgba(255,255,255,0.035) 1px, transparent 1px, transparent 10px);
}

.art--portrait { aspect-ratio: 3 / 4; }
.art--square { aspect-ratio: 1 / 1; }
.art--wide { aspect-ratio: 16 / 9; }

.avatar {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: linear-gradient(160deg, #2d2d2d, #1a1a1a);
  position: relative;
  overflow: hidden;
}

.avatar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 35% 30%, rgba(216,160,37,0.35), transparent 55%);
}

/* ---- Forms ---- */
.field {
  margin-bottom: var(--space-3);
}

.field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: var(--color-charcoal);
}

.section--dark .field label,
.section--charcoal .field label {
  color: #d8d8d8;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid #d0d0d0;
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-charcoal-deep);
  transition: border-color var(--transition);
}

.section--dark .field input,
.section--dark .field textarea,
.section--dark .field select,
.section--charcoal .field input,
.section--charcoal .field textarea,
.section--charcoal .field select {
  background: #232323;
  border-color: var(--color-border);
  color: var(--color-white);
}

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

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.form-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.form-success {
  color: var(--color-success);
}

.form-error {
  color: var(--color-error);
  font-size: 0.85rem;
  margin-top: 0.4rem;
  display: none;
}

.field.has-error input,
.field.has-error textarea {
  border-color: var(--color-error);
}

.field.has-error .form-error {
  display: block;
}

/* ---- Breadcrumb / stepper (booking flow) ---- */
.stepper {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}

.stepper__item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.stepper__item .num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

.stepper__item.is-active,
.stepper__item.is-done {
  color: var(--color-white);
}

.stepper__item.is-active .num {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-charcoal-deep);
}

.stepper__item.is-done .num {
  background: transparent;
  border-color: var(--color-success);
  color: var(--color-success);
}

/* ---- FAQ accordion ---- */
.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: var(--space-3) 0;
  font-family: var(--font-heading);
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  color: var(--color-gold);
  font-size: 1.3rem;
  line-height: 1;
  margin-left: var(--space-2);
  transition: transform var(--transition);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  padding-bottom: var(--space-3);
  color: var(--color-text-muted);
  max-width: 720px;
}

/* ---- Utility ---- */
.mt-0 { margin-top: 0; }
.text-gold { color: var(--color-gold); }
.badge {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
  border-radius: 999px;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

.divider {
  height: 1px;
  background: var(--color-border);
  border: none;
  margin: var(--space-5) 0;
}

/* ---- Hero ---- */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: var(--space-5);
  padding-top: var(--space-7);
  padding-bottom: var(--space-6);
}

.hero h1 {
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  text-transform: uppercase;
  color: var(--color-white);
}

.hero p {
  color: #c8c8c8;
  font-size: 1.05rem;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
  flex-wrap: wrap;
}

/* ---- Responsive ---- */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; }
  .hero .art { order: -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .main-nav ul { display: none; }
  .nav-toggle { display: block; }
  .main-nav.is-open ul {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-charcoal-deep);
    padding: var(--space-3);
    gap: var(--space-2);
    border-bottom: 1px solid var(--color-border);
  }
  .nav-cta {
    margin-left: 0;
    margin-top: var(--space-1);
  }
  .footer-grid { grid-template-columns: 1fr; }
  .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .section { padding: var(--space-5) 0; }
}