/* =========================================================
   Ridge Line Notebooks -- shared stylesheet
   Palette is defined as CSS variables below -- change the
   values there to re-theme the whole site at once.
   ========================================================= */

:root {
  --cream: #faf7f1;
  --ink: #262620;
  --ink-soft: #4a4a40;
  --forest: #3f5d4d;
  --forest-dark: #2c4436;
  --rust: #b5651d;
  --rust-dark: #954f14;
  --stone: #6b6b5e;
  --border: #e4dfd2;
  --card: #ffffff;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-sm: 0 1px 3px rgba(38, 38, 32, 0.08);
  --shadow-md: 0 8px 24px rgba(38, 38, 32, 0.1);

  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.55;
}

h1, h2, h3, h4 {
  font-family: "Poppins", "Inter", sans-serif;
  line-height: 1.2;
  margin: 0 0 0.5em;
  color: var(--forest-dark);
}

h1 { font-size: clamp(2.1rem, 4vw, 3.1rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; color: var(--ink-soft); }

a { color: var(--forest); }

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  font-family: inherit;
}

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

.btn-primary {
  background: var(--forest);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--forest-dark); }

.btn-accent {
  background: var(--rust);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-accent:hover { background: var(--rust-dark); }

.btn-outline {
  background: transparent;
  border-color: var(--forest);
  color: var(--forest);
}
.btn-outline:hover { background: var(--forest); color: #fff; }

.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ---------- Header / Nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 247, 241, 0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-mark {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  display: block;
}

.brand-name {
  font-family: "Poppins", sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
  line-height: 1.05;
  white-space: nowrap;
}

.brand-name-main {
  color: var(--forest-dark);
}

.brand-name-accent {
  color: var(--rust);
}

/* Smaller footer/other-context use of the wordmark (e.g. footer brand line) */
.brand-name-sm {
  font-family: "Poppins", sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.98rem;
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--forest-dark);
}

.nav-cta {
  display: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle svg { color: var(--forest-dark); }

@media (max-width: 760px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    background: var(--cream);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px 20px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 0; width: 100%; }
  .nav-toggle { display: inline-flex; }
}

/* ---------- Hero ---------- */

.hero {
  padding: 72px 0 56px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--rust);
  margin-bottom: 14px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.hero-art {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-md);
}

.hero-art-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.hero-swatch {
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18%;
}

.hero-swatch svg { width: 100%; height: 100%; }

/* ---------- Sections ---------- */

.section {
  padding: 56px 0;
}

.section-head {
  max-width: 640px;
  margin: 0 auto 36px;
  text-align: center;
}

.section-alt {
  background: #f2ede2;
}

/* How it works */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

@media (max-width: 860px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .steps { grid-template-columns: 1fr; }
}

.step-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
}

.step-number {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--forest);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 14px;
}

/* Category cards */

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 860px) {
  .category-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .category-grid { grid-template-columns: 1fr; }
}

.category-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  text-decoration: none;
  display: block;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.category-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.category-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  padding: 12px;
}

.category-icon svg { color: var(--forest-dark); }

.category-card h3 { margin-bottom: 4px; }
.category-card p { margin: 0; font-size: 0.94rem; }

/* CTA banner */

.cta-banner {
  background: var(--forest);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
}

.cta-banner h2 { color: #fff; }
.cta-banner p { color: rgba(255, 255, 255, 0.85); }

.cta-banner .btn-accent { margin-top: 8px; }

/* ---------- About page ---------- */

.about-hero {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 40px;
  align-items: center;
  padding: 56px 0;
}

@media (max-width: 780px) {
  .about-hero { grid-template-columns: 1fr; }
}

.photo-placeholder {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  border: 2px dashed var(--stone);
  background: #f2ede2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--stone);
  text-align: center;
  padding: 20px;
}

.photo-placeholder svg { width: 42px; height: 42px; }

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 860px) {
  .values-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .values-grid { grid-template-columns: 1fr; }
}

.value-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.editor-note {
  background: #fff7e6;
  border: 1px dashed #d8b45c;
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 0.9rem;
  color: #6b5322;
  margin-bottom: 28px;
}

/* ---------- Design page ---------- */

.phase-note {
  background: #eef3ee;
  border: 1px solid #d3e0d5;
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 32px;
  font-size: 0.95rem;
  color: var(--forest-dark);
}

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.tab-btn {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--ink-soft);
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tab-btn.active {
  background: var(--forest);
  border-color: var(--forest);
  color: #fff;
}

.design-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 48px;
}

@media (max-width: 860px) {
  .design-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .design-grid { grid-template-columns: 1fr; }
}

.design-tile {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px;
  cursor: pointer;
  text-align: center;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.design-tile:hover { box-shadow: var(--shadow-sm); }

.design-tile.selected {
  border-color: var(--forest);
  box-shadow: var(--shadow-md);
}

.design-tile-swatch {
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16%;
  margin-bottom: 10px;
}

.design-tile-swatch svg { width: 100%; height: 100%; }

.design-tile-name {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink);
}

.customize-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 36px;
  margin-bottom: 48px;
  scroll-margin-top: 90px;
}

@media (max-width: 780px) {
  .customize-panel { grid-template-columns: 1fr; }
}

.cover-preview-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.cover-preview {
  width: 100%;
  max-width: 260px;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.cover-preview svg { width: 100%; height: 100%; }

.price-tag {
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  color: var(--forest-dark);
  font-size: 1.15rem;
}
.price-note {
  font-size: 0.82rem;
  color: var(--stone);
  text-align: center;
  margin: -8px 0 0;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.field label {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--forest-dark);
}

.field input[type="text"],
.field input[type="email"],
.field input[type="number"],
.field select {
  padding: 11px 13px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #fff;
  font-family: inherit;
  font-size: 0.96rem;
  color: var(--ink);
}

.field input:focus,
.field select:focus {
  outline: 2px solid var(--forest);
  outline-offset: 1px;
}

.field-hint {
  font-size: 0.8rem;
  color: var(--stone);
}

.radio-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.radio-option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  cursor: pointer;
}

.radio-option input { margin-top: 3px; }

.order-section {
  border-top: 1px solid var(--border);
  margin-top: 28px;
  padding-top: 28px;
}

.reminder-box {
  background: #fff7e6;
  border: 1px dashed #d8b45c;
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 0.9rem;
  color: #6b5322;
  margin: 18px 0;
}

.empty-state {
  text-align: center;
  color: var(--stone);
  padding: 40px 20px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 48px;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--forest-dark);
  color: #eae6da;
  padding: 44px 0 28px;
  margin-top: 40px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-inner a { color: #eae6da; }

.footer-brand p {
  color: #c9c3b2;
  max-width: 320px;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.footer-col p, .footer-col a {
  font-size: 0.92rem;
  color: #c9c3b2;
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 18px;
  font-size: 0.82rem;
  color: #9a9482;
}