/* styles.css — Flat style */

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-md);
  line-height: var(--line-height-base);
  background: var(--color-bg-page);
  color: var(--color-text-primary);
}

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

/* Layout */
.content {
  width: min(1100px, 92%);
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.section {
  margin-top: 2rem;
  padding: 1.25rem;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-default);
}

h1,
h2,
h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-family-heading);
  line-height: var(--line-height-tight);
}

h1 {
  font-size: clamp(1.9rem, 4vw, var(--font-size-4xl));
  color: var(--color-heading-primary);
}

h2 {
  font-size: var(--font-size-2xl);
  color: var(--color-heading-secondary);
}

h3 {
  font-size: var(--font-size-xl);
  color: var(--color-heading-secondary);
}

p {
  margin: 0 0 1rem;
  color: var(--color-text-secondary);
}

/* Banner / Nav */
.banner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: var(--neutral-50);
  border-bottom: 1px solid var(--color-border-default);
  position: sticky;
  top: 0;
  z-index: 50;
}

.logo-link {
  display: inline-flex;
  align-items: center;
}

.logo {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.site-name {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.spacer {
  flex: 1;
}

.nav-links {
  position: relative;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle--open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle--open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle--open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-menu {
  display: flex;
  gap: 1rem;
}

.nav-menu a {
  text-decoration: none;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  padding: 0.35rem 0.5rem;
}

.nav-menu a:hover {
  color: var(--color-action-default);
  text-decoration: underline;
}

/* Hero */
.hero {
  text-align: center;
  padding: 1.5rem 0 1rem;
}

.hero p {
  max-width: 640px;
  margin: 0.5rem auto 0;
}

#rotating-headline.pill-rotating {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0.2rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--color-accent-default);
  background: var(--color-accent-subtle);
  color: var(--color-accent-pressed);
  font-size: 0.9em;
  font-weight: var(--font-weight-semibold);
  transition: opacity 0.35s cubic-bezier(.4, 0, .2, 1);
}

/* Buttons */
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  border: 1px solid transparent;
  border-radius: 0;
  padding: 0.6rem 1rem;
  font: inherit;
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background: var(--color-action-default);
  color: var(--color-text-on-action);
}
.btn-primary:hover { background: var(--color-action-hover); }
.btn-primary:active { background: var(--color-action-pressed); }

.btn-secondary {
  background: var(--color-bg-surface);
  color: var(--color-action-default);
  border-color: var(--color-action-default);
}
.btn-secondary:hover {
  background: var(--color-action-subtle);
}

.btn-accent {
  background: var(--color-accent-default);
  color: var(--color-text-on-action);
}
.btn-accent:hover { background: var(--color-accent-hover); }
.btn-accent:active { background: var(--color-accent-pressed); }

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border-default);
}
.btn-ghost:hover {
  background: var(--color-bg-hover);
}

.btn-disabled,
.btn:disabled {
  background: var(--neutral-300);
  color: var(--color-text-disabled);
  border-color: var(--neutral-300);
  cursor: not-allowed;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-default);
  padding: 1rem;
}

.card-featured {
  border-color: var(--color-accent-default);
  background: var(--color-accent-subtle);
}

.card-muted {
  background: var(--color-bg-sunken);
}

/* Form */
.form-showcase {
  display: grid;
  gap: 0.6rem;
  max-width: 640px;
}

.form-showcase label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

input,
select,
textarea {
  width: 100%;
  font: inherit;
  color: var(--color-text-primary);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-default);
  border-radius: 0;
  padding: 0.6rem 0.7rem;
}

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

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.4rem;
}

.checkbox-row input[type="checkbox"] {
  width: auto;
}

/* Color chips */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.color-chip {
  width: 130px;
  height: 80px;
  border: 1px solid var(--color-border-default);
  display: flex;
  align-items: flex-end;
  padding: 0.4rem;
}

.color-chip span {
  font-size: var(--font-size-xs);
  background: rgba(255, 255, 255, 0.8);
  color: var(--neutral-900);
  padding: 0.15rem 0.35rem;
}

.font-samples p {
  margin: 0.35rem 0;
  color: var(--color-text-primary);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    flex-direction: column;
    gap: 0;
    background-color: var(--color-bg-surface);
    border-bottom: 1px solid var(--color-border-default);
    z-index: 100;
  }

  .nav-menu--open {
    display: flex;
  }

  .nav-menu a {
    padding: 0.9rem 1.2rem;
    border-top: 1px solid var(--color-border-subtle);
    font-size: var(--font-size-md);
  }

  .banner {
    position: relative;
  }
}