/* Corky landing page.
   Palette mirrors flutter/lib/core/theme/warm_earthy_tokens.dart (light)
   and deep_forest_tokens.dart (dark). */

:root {
  --cream: #fefae0;
  --sand: #dda15e;
  --terracotta: #c05e44;
  --moss: #606c38;
  --sage: #a3ad91;
  --bark: #432818;

  --bg: var(--cream);
  --surface: #f8f4db;
  --surface-high: #ede9cf;
  --text: #1d1c0d;
  --text-muted: #56423d;
  --outline: #dcc1ba;

  --accent: var(--terracotta);
  --on-accent: var(--cream);
  --pin: #a03b26;

  --board-base: #efe6c8;
  --shadow: rgba(67, 40, 24, 0.12);
  --shadow-strong: rgba(67, 40, 24, 0.2);

  --note-a: #f0d9b5;
  --note-b: #e4dcc0;
  --note-c: #dcc3a8;
  --note-d: #cfd6bd;
  --note-e: #e8cbb4;

  --radius: 16px;
  --gutter: 24px;
  --max-width: 1080px;
}

[data-theme="dark"] {
  --bg: #101a1d;
  --surface: #141f20;
  --surface-high: #22302d;
  --text: #e8dfc8;
  --text-muted: #b7b39d;
  --outline: #39433d;

  --accent: #a84f38;
  --on-accent: #fff8f0;
  --pin: #c25f43;

  --board-base: #17262a;
  --shadow: rgba(0, 0, 0, 0.35);
  --shadow-strong: rgba(0, 0, 0, 0.5);

  --note-a: #26332c;
  --note-b: #1f2c2c;
  --note-c: #2c3730;
  --note-d: #223029;
  --note-e: #302a24;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    "Inter",
    system-ui,
    -apple-system,
    sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

h1,
h2,
h3,
.wordmark {
  font-family: "Montserrat", system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0;
}

p {
  margin: 0;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.15s ease,
    filter 0.15s ease;
}

.button:hover {
  transform: translateY(-1px);
  filter: brightness(1.07);
}

.button-primary {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 4px 12px var(--shadow);
}

.button-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--outline);
}

.button-secondary:hover {
  background: var(--surface-high);
  border-color: var(--text-muted);
}

.button-large {
  padding: 14px 28px;
  font-size: 16px;
  border-radius: 12px;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid var(--outline);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition:
    background-color 0.2s ease,
    border-color 0.2s ease;
}

.icon-button:hover {
  background: var(--surface-high);
}

.icon-button svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-moon {
  display: none;
}

[data-theme="dark"] .icon-sun {
  display: none;
}

[data-theme="dark"] .icon-moon {
  display: block;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px var(--gutter);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid color-mix(in srgb, var(--outline) 40%, transparent);
}

.wordmark {
  font-size: 20px;
  color: var(--text);
  text-decoration: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ---------- Shared pin ---------- */

.pin {
  position: absolute;
  top: -7px;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: radial-gradient(
    circle at 35% 30%,
    color-mix(in srgb, var(--pin) 60%, white),
    var(--pin)
  );
  box-shadow: 0 2px 4px var(--shadow-strong);
}

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

.hero {
  position: relative;
  display: grid;
  place-items: center;
  min-height: min(78vh, 620px);
  padding: 72px var(--gutter);
  overflow: hidden;
  background: var(--board-base);
}

.hero-board {
  position: absolute;
  inset: 0;
}

.note {
  position: absolute;
  border-radius: 4px;
  box-shadow: 0 6px 16px var(--shadow);
}

.note-1 {
  top: 4%;
  left: 6%;
  width: 190px;
  height: 130px;
  background: var(--note-a);
  transform: rotate(-3deg);
}
.note-2 {
  top: 2%;
  left: 34%;
  width: 220px;
  height: 190px;
  background: var(--note-b);
  transform: rotate(2deg);
}
.note-3 {
  top: 6%;
  right: 8%;
  width: 200px;
  height: 150px;
  background: var(--note-c);
  transform: rotate(-2deg);
}
.note-4 {
  top: 38%;
  left: 2%;
  width: 160px;
  height: 210px;
  background: var(--note-d);
  transform: rotate(4deg);
}
.note-5 {
  top: 44%;
  right: 3%;
  width: 230px;
  height: 160px;
  background: var(--note-e);
  transform: rotate(-4deg);
}
.note-6 {
  bottom: 4%;
  left: 18%;
  width: 210px;
  height: 140px;
  background: var(--note-c);
  transform: rotate(3deg);
}
.note-7 {
  bottom: 2%;
  left: 48%;
  width: 180px;
  height: 120px;
  background: var(--note-a);
  transform: rotate(-2deg);
}
.note-8 {
  bottom: 6%;
  right: 16%;
  width: 200px;
  height: 165px;
  background: var(--note-d);
  transform: rotate(2deg);
}
.note-9 {
  top: 30%;
  left: 26%;
  width: 150px;
  height: 150px;
  background: var(--note-e);
  transform: rotate(-5deg);
}

.hero-card {
  position: relative;
  max-width: 560px;
  padding: 48px 44px 44px;
  text-align: center;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: 0 18px 44px var(--shadow-strong);
}

.hero-card h1 {
  font-size: clamp(30px, 5vw, 44px);
}

.hero-card em {
  display: inline-block;
  color: var(--accent);
  font-style: italic;
}

.hero-card p {
  margin: 18px 0 28px;
  color: var(--text-muted);
}

/* ---------- Features ---------- */

.features {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 88px var(--gutter);
  text-align: center;
}

.features h2 {
  font-size: clamp(24px, 3.6vw, 32px);
}

.section-subtitle {
  max-width: 480px;
  margin: 14px auto 0;
  color: var(--text-muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: 32px;
  margin: 64px 0 0;
  padding: 0;
  list-style: none;
  text-align: left;
}

.feature-card {
  position: relative;
  padding: 32px 26px 28px;
  border-radius: 6px;
  box-shadow: 0 10px 26px var(--shadow);
}

.feature-card:nth-child(1) {
  transform: rotate(-1.5deg);
}
.feature-card:nth-child(2) {
  transform: rotate(1deg) translateY(18px);
}
.feature-card:nth-child(3) {
  transform: rotate(-0.5deg) translateY(-8px);
}

.feature-card-sand {
  background: var(--sand);
  color: var(--bark);
}
.feature-card-sage {
  background: var(--sage);
  color: var(--bark);
}
.feature-card-cream {
  background: var(--surface-high);
  color: var(--text);
}

[data-theme="dark"] .feature-card-sand {
  background: #5c3d24;
  color: var(--text);
}

[data-theme="dark"] .feature-card-sage {
  background: #3a4436;
  color: var(--text);
}

.feature-icon {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-card h3 {
  margin: 16px 0 10px;
  font-size: 19px;
}

.feature-card p {
  font-size: 14px;
  opacity: 0.85;
}

/* ---------- Steps ---------- */

.steps {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter) 88px;
  text-align: center;
}

.steps h2 {
  font-size: clamp(22px, 3.2vw, 28px);
}

.step-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr));
  gap: 36px;
  margin: 44px 0 0;
  padding: 0;
  list-style: none;
  text-align: left;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--on-accent);
  font-family: "Montserrat", system-ui, sans-serif;
  font-weight: 700;
  font-size: 15px;
}

.step-list h3 {
  margin: 14px 0 8px;
  font-size: 17px;
}

.step-list p {
  font-size: 14px;
  color: var(--text-muted);
}

/* ---------- Download ---------- */

.download {
  padding: 0 var(--gutter) 96px;
}

.download-card {
  position: relative;
  max-width: 620px;
  margin: 0 auto;
  padding: 52px 32px;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  box-shadow: 0 14px 34px var(--shadow);
}

.download-card h2 {
  font-size: clamp(24px, 3.6vw, 30px);
}

.download-card p {
  margin: 12px 0 28px;
  color: var(--text-muted);
}

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

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px var(--gutter) 48px;
  border-top: 1px solid var(--outline);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-brand small {
  font-size: 12px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.footer-links a {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent);
}

/* ---------- Responsive ---------- */

@media (max-width: 720px) {
  .hero {
    padding: 48px 16px;
  }

  .hero-card {
    padding: 36px 24px 32px;
  }

  .note {
    display: none;
  }

  .note-2,
  .note-5,
  .note-6 {
    display: block;
    opacity: 0.7;
  }

  .feature-card,
  .feature-card:nth-child(1),
  .feature-card:nth-child(2),
  .feature-card:nth-child(3) {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

/* ---------- Pricing Page ---------- */

.container-narrow {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.pricing-hero {
  padding: 88px var(--gutter) 64px;
  text-align: center;
  background: var(--surface);
  border-bottom: 1px solid var(--outline);
}

.pricing-hero h1 {
  font-size: clamp(32px, 5vw, 48px);
  margin-bottom: 16px;
}

.pricing-subtitle {
  font-size: clamp(16px, 2.5vw, 20px);
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
}

.pricing-tiers {
  padding: 72px var(--gutter) 88px;
}

.tier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}

.tier-card {
  position: relative;
  padding: 36px 28px 32px;
  background: var(--surface);
  border: 2px solid var(--outline);
  border-radius: var(--radius);
  box-shadow: 0 4px 12px var(--shadow);
  transition: all 0.2s ease;
}

.tier-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px var(--shadow-strong);
}

.tier-card-featured {
  border-color: var(--accent);
  background: linear-gradient(
    135deg,
    var(--surface) 0%,
    var(--surface-high) 100%
  );
}

[data-theme="dark"] .tier-card-featured {
  background: linear-gradient(
    135deg,
    var(--surface-high) 0%,
    var(--surface) 100%
  );
}

.tier-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 18px;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 20px;
  box-shadow: 0 4px 12px var(--shadow);
}

.tier-header {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--outline);
}

.tier-header h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.tier-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.price-amount {
  font-family: "Montserrat", system-ui, sans-serif;
  font-size: 38px;
  font-weight: 700;
  color: var(--text);
}

.price-period {
  font-size: 15px;
  color: var(--text-muted);
}

.tier-features {
  list-style: none;
  padding: 0;
  margin: 0 0 28px 0;
}

.tier-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  font-size: 15px;
  line-height: 1.5;
}

.check-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  fill: none;
  stroke: var(--moss);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  margin-top: 2px;
}

.x-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  fill: none;
  stroke: var(--text-muted);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  margin-top: 2px;
  opacity: 0.4;
}

.tier-feature-restricted {
  color: var(--text-muted);
  opacity: 0.6;
}

.tier-footer {
  margin-top: auto;
}

.tier-footer .button {
  width: 100%;
  margin-bottom: 12px;
}

.tier-note {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  margin: 0;
}

.pricing-faq {
  padding: 72px var(--gutter) 88px;
  background: var(--surface);
}

.pricing-faq h2 {
  font-size: clamp(26px, 4vw, 36px);
  text-align: center;
  margin-bottom: 48px;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 12px;
  border: 1px solid var(--outline);
  border-radius: 12px;
  background: var(--bg);
  overflow: hidden;
  transition: all 0.2s ease;
}

.faq-item[open] {
  box-shadow: 0 4px 12px var(--shadow);
}

.faq-item summary {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background 0.15s ease;
}

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

.faq-item summary::after {
  content: "+";
  float: right;
  font-size: 24px;
  font-weight: 400;
  color: var(--accent);
  transition: transform 0.2s ease;
}

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

.faq-item summary:hover {
  background: var(--surface-high);
}

.faq-item p {
  padding: 0 24px 24px;
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-muted);
}

.pricing-cta {
  padding: 88px var(--gutter) 96px;
  text-align: center;
}

.pricing-cta h2 {
  font-size: clamp(28px, 4vw, 38px);
  margin-bottom: 16px;
}

.pricing-cta p {
  font-size: clamp(16px, 2.2vw, 18px);
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 32px;
}

.site-footer .container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-nav {
  display: flex;
  gap: 24px;
}

.footer-nav a {
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-nav a:hover {
  color: var(--accent);
}

@media (max-width: 720px) {
  .pricing-hero {
    padding: 64px var(--gutter) 48px;
  }

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

  .tier-card {
    padding: 32px 24px 28px;
  }

  .pricing-faq {
    padding: 56px var(--gutter) 64px;
  }

  .faq-item summary {
    padding: 16px 20px;
    font-size: 15px;
  }

  .faq-item p {
    padding: 0 20px 20px;
    font-size: 14px;
  }
}
/* ---------- Contact Modal ---------- */

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 999;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}

.modal-overlay.active {
  display: flex;
}

.contact-modal {
  position: relative;
  max-width: 500px;
  width: 100%;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 20px 60px var(--shadow-strong);
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.modal-close:hover {
  background: var(--surface-high);
  color: var(--text);
}

.modal-close svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

.contact-modal h2 {
  font-size: 24px;
  margin-bottom: 8px;
  color: var(--text);
}

.contact-modal .modal-subtitle {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 24px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 10px 14px;
  border: 1px solid var(--outline);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  transition: all 0.15s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.5;
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.form-actions .button {
  flex: 1;
}

.form-actions .button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.form-actions .button:disabled:hover {
  transform: none;
  filter: none;
}

@media (max-width: 720px) {
  .contact-modal {
    padding: 24px;
  }

  .contact-modal h2 {
    font-size: 20px;
  }
}