/* ==========================================================================
   My Home Notes — landing page styles
   Plain CSS, mobile-first, no build step, no framework.
   ========================================================================== */

/* ---- Self-hosted Inter (SIL OFL) — no external font requests ---- */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/inter-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("assets/fonts/inter-latin-500-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("assets/fonts/inter-latin-600-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("assets/fonts/inter-latin-700-normal.woff2") format("woff2");
}

/* ---- Design tokens ---- */
:root {
  --color-primary: #4f8df7;
  --color-lavender: #9b6df6;
  --color-cyan: #38c7e8;
  --color-mint: #45d6a5;

  /* Darkened, text-safe versions of the four brand hues above. The bright
     originals read at 1.8–3.5:1 against white — fine for large logo art,
     but well under WCAG AA's 4.5:1 for real text. These are what solid
     buttons, badges, and links actually use; the gradient below is built
     from them too, so anything drawn with --gradient-brand stays readable
     no matter where the text lands along it. */
  --color-primary-text: #2f5fc9;
  --color-lavender-text: #7a4fe0;
  --color-cyan-text: #0e7a94;
  --color-mint-text: #0b7d5c;

  --color-bg: #f7f8fa;
  --color-surface: #ffffff;
  --color-text: #1d2433;
  --color-text-secondary: #5c6675;
  --color-border: #e7eaf0;

  --gradient-brand: linear-gradient(135deg, var(--color-lavender-text), var(--color-primary-text), var(--color-cyan-text), var(--color-mint-text));

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(29, 36, 51, 0.04);
  --shadow-md: 0 8px 24px rgba(29, 36, 51, 0.06);
  --shadow-lg: 0 20px 48px rgba(29, 36, 51, 0.10);

  --container-width: 1120px;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

h1,
h2,
h3,
p {
  margin: 0;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

/* ---- Accessibility helpers ---- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--color-text);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 100;
  transition: top 0.2s var(--ease-standard);
}

.skip-link:focus {
  top: 1rem;
}

:focus-visible {
  outline: 2px solid var(--color-primary-text);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section-title {
  font-size: clamp(1.6rem, 1.3rem + 1.3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  text-align: center;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  max-width: 40ch;
  margin-inline: auto;
  margin-bottom: 3rem;
}

section {
  padding-block: clamp(3.5rem, 3rem + 2vw, 6rem);
}

/* ---- Reveal-on-scroll ---- */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease-standard), transform 0.6s var(--ease-standard);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: transform 0.15s var(--ease-standard), box-shadow 0.15s var(--ease-standard);
}

.btn--primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: var(--shadow-md);
}

.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn--disabled {
  cursor: default;
  opacity: 0.92;
}

.btn--disabled:hover {
  transform: none;
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  color: var(--color-text);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-text);
}

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

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 248, 250, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.85rem;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.05rem;
}

.brand__mark {
  border-radius: 8px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
}

.nav-toggle__bar {
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.2s var(--ease-standard), opacity 0.2s var(--ease-standard);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(4) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (prefers-reduced-motion: reduce) {
  .nav-toggle__bar {
    transition: none;
  }
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav a {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--color-text);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.lang-switch button {
  padding: 0.2rem 0.35rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.lang-switch button[aria-pressed="true"] {
  color: var(--color-primary-text);
}

/* ---- Hero ---- */
.hero {
  padding-top: clamp(3rem, 2.5rem + 2vw, 5rem);
}

.hero__inner {
  display: grid;
  gap: 3rem;
  align-items: center;
}

.hero__copy h1 {
  font-size: clamp(2.1rem, 1.6rem + 2.4vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.hero__subtitle {
  margin-top: 1.25rem;
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 46ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.hero__visual {
  justify-self: center;
  width: 100%;
  max-width: 380px;
}

/* Shared "app card" mockup, reused by the hero and the demo phone shell */
.mock-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 1.5rem;
  border: 1px solid var(--color-border);
}

.mock-card__title {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 1rem;
}

.mock-list__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding-block: 0.65rem;
  border-top: 1px solid var(--color-border);
}

.mock-list__item:first-child {
  border-top: none;
}

.mock-checkbox {
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border-radius: 6px;
  border: 1.5px solid var(--color-border);
}

.mock-list__text {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.mock-list__name {
  font-weight: 600;
  font-size: 0.95rem;
}

.mock-list__meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.mock-chip {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-pill);
}

/* Soft tint + a darkened version of the same hue as the text — reads as
   "premium pastel label" rather than a bright solid pill, and keeps
   contrast comfortably above 4.5:1 regardless of which category it is. */
.mock-chip--groceries { background: rgba(79, 141, 247, 0.1); color: var(--color-primary-text); }
.mock-chip--bathroom { background: rgba(56, 199, 232, 0.06); color: var(--color-cyan-text); }
.mock-chip--pets { background: rgba(155, 109, 246, 0.06); color: var(--color-lavender-text); }
.mock-chip--cleaning { background: rgba(69, 214, 165, 0.08); color: var(--color-mint-text); }

/* ---- Problem section ---- */
.problem__inner {
  max-width: 640px;
  text-align: center;
}

.problem__line {
  font-size: clamp(1.15rem, 1.05rem + 0.5vw, 1.4rem);
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
}

.problem__line--emphasis {
  color: var(--color-text);
  font-weight: 600;
  margin-top: 1rem;
}

.problem__resolution {
  margin-top: 2rem;
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.4;
}

/* ---- How it works ---- */
.how__steps {
  display: grid;
  gap: 2rem;
  margin-top: 2.5rem;
}

.how__step {
  text-align: center;
  max-width: 320px;
  margin-inline: auto;
}

.how__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  font-weight: 700;
  margin-bottom: 1rem;
}

.how__step h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.how__step p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* ---- Benefits ---- */
.benefits__grid {
  display: grid;
  gap: 1.25rem;
}

.benefit-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.benefit-card__kicker {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary-text);
  margin-bottom: 0.6rem;
}

.benefit-card p:not(.benefit-card__kicker) {
  color: var(--color-text-secondary);
}

.benefit-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}

.benefit-card__tags li {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

/* ---- Demo / phone mock ---- */
.demo__inner {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.demo__copy p {
  color: var(--color-text-secondary);
  margin-top: 0.5rem;
  text-align: center;
}

.demo__copy .section-title {
  margin-bottom: 0;
}

.phone-mock {
  justify-self: center;
  width: 100%;
  max-width: 300px;
  padding: 14px;
  background: #101522;
  border-radius: 40px;
  box-shadow: var(--shadow-lg);
}

.phone-mock__screen {
  background: var(--color-bg);
  border-radius: 28px;
  padding: 1.5rem 1.25rem 4.5rem;
  position: relative;
  min-height: 420px;
}

.phone-mock__header {
  font-weight: 700;
  font-size: 1.15rem;
}

.phone-mock__subheader {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-top: 0.35rem;
  margin-bottom: 1rem;
}

.mock-list--app .mock-list__item {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border-top: none;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  box-shadow: var(--shadow-sm);
}

.phone-mock__fab {
  position: absolute;
  bottom: 1.25rem;
  right: 1.25rem;
  left: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: var(--color-primary-text);
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.75rem;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md);
}

/* ---- Pricing ---- */
.pricing__grid {
  display: grid;
  gap: 1.5rem;
  max-width: 760px;
  margin-inline: auto;
}

.price-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.price-card--featured {
  border-color: transparent;
  box-shadow: var(--shadow-lg);
  background:
    linear-gradient(var(--color-surface), var(--color-surface)) padding-box,
    var(--gradient-brand) border-box;
  border: 2px solid transparent;
}

.price-card__badge {
  position: absolute;
  top: -0.75rem;
  left: 2rem;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
}

.price-card__name {
  font-weight: 700;
  font-size: 1.1rem;
}

.price-card__price {
  font-size: 2.5rem;
  font-weight: 700;
  margin-top: 0.5rem;
  letter-spacing: -0.02em;
}

.price-card__price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.price-card__alt-price {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

.price-card__savings {
  font-size: 0.85rem;
  color: var(--color-mint-text);
  font-weight: 600;
  margin-top: 0.5rem;
}

.price-card__trial {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary-text);
  background: rgba(79, 141, 247, 0.1);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
}

.price-card__features {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.75rem;
}

.price-card__features li {
  font-size: 0.92rem;
  padding-left: 1.4rem;
  position: relative;
  color: var(--color-text-secondary);
}

.price-card__features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient-brand);
}

.pricing__trial-terms {
  text-align: center;
  margin-top: 2.5rem;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

/* ---- FAQ ---- */
.faq__list {
  max-width: 720px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq__item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
}

.faq__item summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

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

.faq__item summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  transition: transform 0.2s var(--ease-standard);
  flex: none;
}

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

.faq__item p {
  color: var(--color-text-secondary);
  margin-top: 0.75rem;
  font-size: 0.95rem;
}

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: 2.5rem;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.site-footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
}

.site-footer__links {
  display: flex;
  gap: 1.25rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.site-footer__links a:hover {
  color: var(--color-text);
}

.site-footer__meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}

/* ---- Legal pages (privacy/terms/404) ---- */
.legal {
  padding-block: clamp(2.5rem, 2rem + 2vw, 4rem);
}

.legal__inner {
  max-width: 720px;
}

.legal h1 {
  font-size: clamp(1.8rem, 1.5rem + 1.2vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.legal__updated {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-bottom: 2.5rem;
}

.legal h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 2.25rem;
  margin-bottom: 0.75rem;
}

.legal p,
.legal li {
  color: var(--color-text-secondary);
  margin-bottom: 0.85rem;
}

.legal ul {
  list-style: disc;
  padding-left: 1.25rem;
}

.legal a {
  color: var(--color-primary-text);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.not-found {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 1rem;
  padding-block: 4rem;
}

.not-found__mark {
  border-radius: var(--radius-md);
}

.not-found h1 {
  font-size: clamp(1.6rem, 1.4rem + 1vw, 2.1rem);
}

.not-found p {
  color: var(--color-text-secondary);
  max-width: 40ch;
}

/* ---- Responsive ---- */
@media (min-width: 720px) {
  .how__steps {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .pricing__grid {
    grid-template-columns: repeat(2, 1fr);
    align-items: stretch;
  }

  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .site-footer__meta {
    align-items: flex-end;
    text-align: right;
  }
}

@media (min-width: 900px) {
  .hero__inner {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .hero__copy {
    text-align: left;
  }

  .demo__inner {
    grid-template-columns: 1fr 0.8fr;
    text-align: left;
  }

  .demo__copy .section-title,
  .demo__copy p {
    text-align: left;
  }

  .phone-mock {
    justify-self: end;
  }
}

@media (max-width: 719px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem 1.5rem 1.75rem;
    display: none;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav .btn {
    width: 100%;
  }
}