/* ============================================================
   squissh — waitlist landing page
   Design at 390px, adapt up. Mobile-first.
   ============================================================ */

/* ------------------------------------------------------------
   1. Design tokens
   ------------------------------------------------------------ */
:root {
  /* Colour */
  --color-hero:        #E8955A; /* Tangerine — architectural, used at scale */
  --color-coral:       #E87A6A; /* Secondary accent — quiet, sparing */
  --color-canvas:      #FDF0E4; /* Cream */
  --color-canvas-alt:  #FFF8F2; /* Near-white */
  --color-dark:        #1C1C1C; /* Type on light / tangerine */
  --color-light:       #F5F2EC; /* Type on coral / grey */
  --color-grey:        #4A4A4A; /* Deep neutral — sparing */

  /* Typography */
  --font-wordmark: 'Nunito', sans-serif;
  --font-body:     'Figtree', sans-serif;

  --text-wordmark:  clamp(1.75rem, 6vw, 2.5rem);
  --text-eyebrow:   0.6875rem;  /* 11px */
  --text-headline:  clamp(2rem, 8vw, 3.5rem);
  --text-subhead:   clamp(1rem, 3vw, 1.25rem);
  --text-aside:     clamp(0.875rem, 2.5vw, 1rem);
  --text-body:      1rem;
  --text-small:     0.875rem;

  /* Spacing */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;

  /* Layout */
  --max-width:      680px;
  --padding-page:   1.25rem;

  /* Radius */
  --radius-button:  0.375rem;
  --radius-input:   0.375rem;
}

/* ------------------------------------------------------------
   2. Reset & base
   ------------------------------------------------------------ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--color-dark);
  background-color: var(--color-canvas);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ------------------------------------------------------------
   3. Wordmark
   ------------------------------------------------------------ */
.wordmark {
  display: inline-block;
  font-family: var(--font-wordmark);
  font-weight: 900;
  font-size: var(--text-wordmark);
  letter-spacing: -0.04em;
  color: var(--color-dark);
  text-decoration: none;
  line-height: 1;
}

.wordmark--footer {
  color: var(--color-dark);
}

/* ------------------------------------------------------------
   4. Shared components
   ------------------------------------------------------------ */
.btn {
  display: inline-block;
  background-color: var(--color-dark);
  color: var(--color-light);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 600;
  text-decoration: none;
  padding: 0.875rem 2rem;
  border: none;
  border-radius: var(--radius-button);
  cursor: pointer;
  transition: opacity 0.15s ease;
  line-height: 1;
}

.btn:hover,
.btn:focus-visible {
  opacity: 0.85;
  outline: 2px solid var(--color-dark);
  outline-offset: 2px;
}

.btn--dark {
  background-color: var(--color-dark);
  color: var(--color-light);
  width: 100%;
  padding: 1rem;
  font-size: 1.0625rem;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-eyebrow);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-dark);
  opacity: 0.7;
}

.section-heading {
  font-family: var(--font-body);
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: var(--space-lg);
}

/* ------------------------------------------------------------
   5. Hero
   ------------------------------------------------------------ */
.hero {
  background-color: var(--color-hero);
  padding: var(--space-lg) var(--padding-page) var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
  max-width: 100%;
}

.hero .eyebrow {
  margin-bottom: calc(var(--space-xs) * -1);
}

.hero .wordmark {
  margin-bottom: var(--space-xs);
}

.hero__headline {
  font-family: var(--font-body);
  font-size: var(--text-headline);
  font-weight: 600;
  line-height: 1.1;
  color: var(--color-dark);
  max-width: 16ch;
}

.hero__subhead {
  font-size: var(--text-subhead);
  color: var(--color-dark);
  max-width: 38ch;
  line-height: 1.5;
  margin-top: calc(var(--space-sm) * -0.5);
}

.hero__parent-aside {
  font-size: var(--text-aside);
  color: var(--color-dark);
  opacity: 0.7;
  font-style: italic;
  border-left: 2px solid rgba(28, 28, 28, 0.25);
  padding-left: var(--space-sm);
  max-width: 32ch;
}

.hero .btn {
  background-color: var(--color-dark);
  color: var(--color-light);
  margin-top: var(--space-xs);
}

.hero__sub-cta {
  font-size: var(--text-small);
  color: var(--color-dark);
  opacity: 0.6;
  margin-top: calc(var(--space-sm) * -0.5);
}

/* Hero image placeholder */
.hero__image-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: rgba(28, 28, 28, 0.1);
  border-radius: 0.25rem;
  margin-top: var(--space-sm);
}

/* ------------------------------------------------------------
   6. How it works
   ------------------------------------------------------------ */
.how-it-works {
  background-color: var(--color-canvas);
  padding: var(--space-xl) var(--padding-page);
  max-width: 100%;
}

.how-it-works .section-heading {
  text-align: left;
}

.steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.step {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.step__number {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-dark);
  opacity: 0.35;
  letter-spacing: 0.05em;
  padding-top: 0.2em;
  flex-shrink: 0;
  width: 1.25rem;
}

.step__title {
  font-family: var(--font-body);
  font-size: clamp(1.1rem, 3vw, 1.375rem);
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.25rem;
}

.step__copy {
  font-size: var(--text-body);
  color: var(--color-grey);
  line-height: 1.6;
}

/* ------------------------------------------------------------
   7. Parent beat
   ------------------------------------------------------------ */
.parent-beat {
  background-color: var(--color-canvas-alt);
  padding: var(--space-xl) var(--padding-page);
}

.parent-beat__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
}

.parent-beat__image-placeholder {
  width: 100%;
  aspect-ratio: 3 / 2;
  background-color: rgba(28, 28, 28, 0.07);
  border-radius: 0.25rem;
}

.parent-beat__copy {
  border: none;
  padding: 0;
}

.parent-beat__kicker {
  font-family: var(--font-body);
  font-size: clamp(1.1rem, 3.5vw, 1.375rem);
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: var(--space-sm);
}

.parent-beat__copy p:last-child {
  font-size: var(--text-body);
  color: var(--color-grey);
  line-height: 1.7;
}

/* ------------------------------------------------------------
   8. Waitlist form
   ------------------------------------------------------------ */
.waitlist {
  background-color: var(--color-hero);
  padding: var(--space-xl) var(--padding-page);
}

.waitlist__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.waitlist__heading {
  font-family: var(--font-body);
  font-size: clamp(1.5rem, 5vw, 2.25rem);
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: var(--space-xs);
}

.waitlist__subhead {
  font-size: var(--text-body);
  color: var(--color-dark);
  opacity: 0.75;
  margin-bottom: var(--space-lg);
  max-width: 42ch;
}

.waitlist__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-label {
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-dark);
  letter-spacing: 0.01em;
}

.form-optional {
  font-weight: 400;
  opacity: 0.6;
}

.form-input {
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--color-dark);
  background-color: var(--color-canvas);
  border: 1.5px solid transparent;
  border-radius: var(--radius-input);
  padding: 0.75rem 1rem;
  width: 100%;
  transition: border-color 0.15s ease;
  -webkit-appearance: none;
}

.form-input::placeholder {
  color: var(--color-dark);
  opacity: 0.35;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-dark);
}

.form-input.is-invalid {
  border-color: var(--color-coral);
}

.form-error {
  font-size: var(--text-small);
  color: var(--color-dark);
  opacity: 0;
  min-height: 1.2em;
  transition: opacity 0.15s ease;
}

.form-error.is-visible {
  opacity: 1;
}

.form-privacy {
  font-size: var(--text-small);
  color: var(--color-dark);
  opacity: 0.55;
  text-align: center;
  margin-top: calc(var(--space-xs) * -0.5);
}

/* Thank-you state */
.waitlist__thankyou {
  text-align: left;
}

.thankyou__heading {
  font-family: var(--font-body);
  font-size: clamp(1.375rem, 4vw, 1.75rem);
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: var(--space-sm);
}

.thankyou__copy {
  font-size: var(--text-body);
  color: var(--color-dark);
  opacity: 0.8;
  line-height: 1.7;
  max-width: 42ch;
}

/* ------------------------------------------------------------
   9. Footer
   ------------------------------------------------------------ */
.footer {
  background-color: var(--color-canvas);
  padding: var(--space-xl) var(--padding-page) var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
  border-top: 1px solid rgba(28, 28, 28, 0.08);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__social-link {
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-dark);
  text-decoration: none;
  opacity: 0.65;
  transition: opacity 0.15s ease;
}

.footer__social-link:hover,
.footer__social-link:focus-visible {
  opacity: 1;
}

.footer__location {
  font-size: var(--text-small);
  color: var(--color-dark);
  opacity: 0.45;
}

.footer__copy {
  font-size: var(--text-small);
  color: var(--color-dark);
  opacity: 0.35;
  margin-top: calc(var(--space-xs) * -0.5);
}

/* ------------------------------------------------------------
   10. Responsive — adapt up from 390px
   ------------------------------------------------------------ */
@media (min-width: 640px) {
  :root {
    --padding-page: 2rem;
  }

  .hero {
    padding: var(--space-xl) var(--padding-page) var(--space-2xl);
  }

  .hero .btn {
    width: auto;
  }

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

@media (min-width: 768px) {
  :root {
    --padding-page: clamp(2rem, 5vw, 4rem);
  }

  .hero,
  .how-it-works,
  .parent-beat,
  .waitlist,
  .footer {
    padding-left: calc((100vw - var(--max-width)) / 2);
    padding-right: calc((100vw - var(--max-width)) / 2);
  }

  .hero {
    max-width: 100%;
  }

  .steps {
    flex-direction: row;
    gap: var(--space-lg);
  }

  .step {
    flex-direction: column;
    gap: var(--space-sm);
    flex: 1;
  }

  .step__number {
    padding-top: 0;
  }

  .parent-beat__inner {
    flex-direction: row;
    align-items: center;
    gap: var(--space-xl);
  }

  .parent-beat__image-placeholder {
    flex: 0 0 45%;
    aspect-ratio: 1 / 1;
  }
}