/* ==========================================================
   Fonts
   Loaded from our own files. "swap" shows text straight away
   in a backup font, then switches when the real font arrives.
   ========================================================== */

/* Nunito Sans is a variable font: one file holds every weight
   from 200 to 1000, so we tell the browser the full range */
@font-face {
  font-family: "Nunito Sans";
  src: url("assets/fonts/nunito-sans-latin-wght.woff2") format("woff2");
  font-weight: 200 1000;
  font-display: swap;
}

@font-face {
  font-family: "Atkinson Hyperlegible";
  src: url("assets/fonts/atkinson-hyperlegible-latin-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Atkinson Hyperlegible";
  src: url("assets/fonts/atkinson-hyperlegible-latin-700.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

/* ==========================================================
   Variables
   Brand colors, fonts and sizes, so we only have to change
   them in one place. Contrast notes come from _tokens.scss.
   ========================================================== */

:root {
  /* Colors */
  --navy: #001f3d; /* Main text. 16.6:1 on white */
  --teal: #045174; /* Intro text. 8.6:1 on white */
  --amber: #ffa000; /* Buttons, with navy text (8.1:1) */
  --orange: #e87a00; /* Borders and underlines only, never text on white */
  --peach: #f8dcbf;
  --cream: #fdf1e4;
  --slate: #5f7486; /* Small text and form control borders. 4.9:1 on white */
  --mist: #f1f4f7;
  --line: #dfe4e9; /* Card edges only */
  --line-light: #e6eaee; /* Decorative lines only */
  --white: #fff;

  /* Fonts */
  --font-heading: "Nunito Sans", system-ui, sans-serif;
  --font-body: "Atkinson Hyperlegible", system-ui, sans-serif;

  /* Rounded corners */
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* Layout */
  --container-max: 1160px;
  --gutter: 16px; /* Space at the sides of the page. Grows on wide screens. */

  /* Focus outline */
  --focus-width: 3px;
  --focus-offset: 3px;
}

/* ==========================================================
   Basics
   ========================================================== */

/* Make widths include padding and borders, so sizes add up as expected */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Remove the browser's default spacing. We add our own. */
body,
h1,
h2,
h3,
p,
ol,
ul,
fieldset {
  margin: 0;
}

body {
  background: var(--white);
  color: var(--navy);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.5;
}

/* Images never grow wider than the space they sit in */
img,
svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

/* Form controls use the page font instead of the browser's own */
input,
button {
  font: inherit;
}

/* Anything with the "hidden" attribute stays hidden,
   even if another rule below gives it a display style */
[hidden] {
  display: none !important;
}

/* ==========================================================
   Shared pieces
   ========================================================== */

/* A clear outline on whatever has keyboard focus */
:focus-visible {
  outline: var(--focus-width) solid var(--navy);
  outline-offset: var(--focus-offset);
}

/* Navy text with an orange underline. Orange is decoration only. */
a {
  color: var(--navy);
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

/* Hidden above the page until someone presses Tab */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--gutter);
  z-index: 10;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  background: var(--amber);
  font-family: var(--font-heading);
  font-weight: 800;
  text-decoration: none;
}

.skip-link:focus {
  top: 16px;
}

/* The amber button style, shared by Continue and the "Give now" link.
   Navy text on amber (8.1:1) and on orange when hovered (5.7:1). */
.button-primary,
.jump-link {
  display: block;
  width: 100%;
  padding: 16px 24px;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--amber);
  color: var(--navy);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.button-primary:hover,
.jump-link:hover {
  background: var(--orange);
}

/* While a payment is processing, the Give button can't be pressed again */
.button-primary[aria-disabled="true"] {
  cursor: progress;
}

/* The quieter button, used for Back: navy outline on white */
.button-secondary {
  padding: 14px 24px;
  border: 2px solid var(--navy);
  border-radius: var(--radius-pill);
  background: var(--white);
  color: var(--navy);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  cursor: pointer;
}

.button-secondary:hover {
  background: var(--mist);
}

/* A button that looks like a link, for "Change" */
.link-button {
  padding: 0;
  border: 0;
  background: none;
  color: var(--navy);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  cursor: pointer;
}

/* ==========================================================
   Page layout
   Phones first: one column. Wide screens: two columns.
   The side padding keeps content inside 1160px, centered,
   while the header border and footer color still reach the edges.
   ========================================================== */

.site-header,
.page,
.site-footer {
  padding-inline: max(var(--gutter), (100% - var(--container-max)) / 2);
}

.page {
  display: grid;
  gap: 40px;
  padding-block: 32px 56px;
}

/* ==========================================================
   Header
   ========================================================== */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 16px;
  border-bottom: 1px solid var(--line-light);
}

.logo-link img {
  width: 170px;
}

.header-link {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
}

/* ==========================================================
   Story column (left)
   ========================================================== */

.campaign-tag {
  display: inline-block;
  padding: 6px 12px;
  border-bottom: 3px solid var(--orange);
  border-radius: var(--radius-sm);
  background: var(--peach);
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* When a heading or question wraps, split it into even lines,
   so one word isn't left alone on the last line */
h1,
h2,
legend {
  text-wrap: balance;
}

/* Grows with the screen, between 36px and 60px */
h1 {
  margin-top: 20px;
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 1.5rem + 3vw, 3.75rem);
  font-weight: 900;
  line-height: 1.1;
}

.intro {
  max-width: 36rem;
  margin-top: 20px;
  color: var(--teal);
  font-size: 1.125rem;
  line-height: 1.6;
}

.jump-link {
  margin-top: 24px;
}

.story-photo {
  width: 100%;
  max-width: 480px;
  margin-top: 32px;
  border-radius: var(--radius-lg);
}

/* ==========================================================
   Form card (right)
   ========================================================== */

.form-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  /* Leaves a little space above the card when a link jumps to it */
  scroll-margin-top: 16px;
}

/* Progress bar: a thin bar above each step name */
.progress {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 32px;
  padding: 0;
  list-style: none;
  color: var(--slate);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
}

.progress-step::before {
  content: "";
  display: block;
  height: 6px;
  margin-bottom: 10px;
  border-radius: var(--radius-pill);
  background: var(--line-light);
}

/* The step the donor is on */
.progress-step[aria-current="step"] {
  color: var(--navy);
}

.progress-step[aria-current="step"]::before {
  background: var(--amber);
}

/* Finished steps keep their amber bar. Screen readers hear "(completed)". */
.progress-step.is-complete {
  color: var(--navy);
}

.progress-step.is-complete::before {
  background: var(--amber);
}

/* Each step stacks its parts with even space between them */
.form-step {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-step h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.25;
  /* Leaves a little space above the heading when focus scrolls to it */
  scroll-margin-top: 16px;
}

.required-note {
  margin-top: -8px;
  color: var(--teal);
  font-size: 0.95rem;
}

/* Remove the default box around groups of options */
fieldset {
  min-width: 0;
  padding: 0;
  border: 0;
}

legend {
  padding: 0 0 12px;
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 800;
}

/* Hidden on screen but still read by screen readers.
   Used for the "Error:" label, and for the real radio circles,
   where the styled box around each one is what people see. */
.visually-hidden,
.frequency-option input,
.amount-option input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* --- Frequency: two radios that look like one toggle --- */

.frequency {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.frequency-option {
  padding: 6px;
  background: var(--mist);
  cursor: pointer;
}

.frequency-option:first-of-type {
  padding-right: 3px;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.frequency-option:last-of-type {
  padding-left: 3px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.option-label {
  display: block;
  padding: 12px 8px;
  border-radius: 8px;
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 800;
  text-align: center;
}

/* The chosen option fills navy */
.frequency-option input:checked + .option-label {
  background: var(--navy);
  color: var(--white);
}

/* The radio itself is hidden, so show the focus outline on its box instead */
.frequency-option:has(input:focus-visible) {
  outline: var(--focus-width) solid var(--navy);
  outline-offset: var(--focus-offset);
}

.monthly-note {
  margin-top: -8px;
  color: var(--teal);
}

/* --- Amounts --- */

/* Two across on small phones, so "$250" still fits */
.amount-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.amount-option {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 56px;
  padding: 8px;
  border: 2px solid var(--slate);
  border-radius: var(--radius-md);
  background: var(--white);
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 900;
  cursor: pointer;
}

/* "Other amount" takes a whole row */
.amount-option-other {
  grid-column: 1 / -1;
  font-size: 1.125rem;
  font-weight: 800;
}

.amount-option:hover {
  border-color: var(--navy);
}

/* The check icon only shows on the chosen amount */
.check-icon {
  display: none;
  flex-shrink: 0;
}

/* The chosen amount: thicker orange border, cream fill and a check icon,
   so it never relies on color alone. The padding shrinks by 1px to make
   up for the thicker border, so the box stays the same size. */
.amount-option:has(input:checked) {
  padding: 7px;
  border: 3px solid var(--orange);
  background: var(--cream);
}

.amount-option:has(input:checked) .check-icon {
  display: block;
}

/* The radio itself is hidden, so show the focus outline on its box instead */
.amount-option:has(input:focus-visible) {
  outline: var(--focus-width) solid var(--navy);
  outline-offset: var(--focus-offset);
}

/* --- Fields: a label, an optional hint, the input and an error spot --- */

.field label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 800;
  /* Leaves space above the label when an error summary link scrolls to it */
  scroll-margin-top: 16px;
}

.hint {
  margin-bottom: 8px;
  color: var(--slate);
  font-size: 0.95rem;
}

/* Every text box and the country select share this look */
.text-input {
  width: 100%;
  min-height: 48px;
  padding: 8px 12px;
  border: 2px solid var(--slate);
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--navy);
  font-size: 1.125rem;
}

/* When typing in a box: a navy border with a soft peach ring around it,
   instead of the usual navy outline, which looked too heavy here.
   The see-through outline only shows in Windows high-contrast mode,
   which removes shadows, so focus is still visible there. */
.text-input:focus-visible {
  border-color: var(--navy);
  outline: 2px solid transparent;
  box-shadow: 0 0 0 4px var(--peach);
}

/* Pairs of fields (first and last name, country and postal code):
   stacked on small phones, side by side from 480px */
.field-row {
  display: grid;
  gap: 24px;
}

/* --- Other amount box --- */

/* The $ sits inside the input, on the left */
.money-input {
  position: relative;
}

.money-prefix {
  position: absolute;
  top: 50%;
  left: 14px;
  transform: translateY(-50%);
  font-size: 1.125rem;
}

.money-input .text-input {
  padding-left: 30px;
}

/* --- Step 2 pieces --- */

/* Light grey boxes for the gift summary (step 2) and monthly notice (step 3) */
.gift-summary,
.monthly-notice {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--mist);
}

/* The browser's own checkbox, a bit bigger and navy when ticked */
.checkbox-field {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.checkbox-field input {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  margin: 0;
  accent-color: var(--navy);
}

/* Back and Continue sit side by side. On narrow phones,
   Continue drops below Back instead of squashing its words. */
.step-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.step-buttons .button-primary {
  flex: 1 1 12rem;
  width: auto;
}

/* The privacy line (step 2) and the "never sent or stored" line (step 3) */
.privacy-note {
  color: var(--slate);
  font-size: 0.95rem;
}

/* --- Step 3 pieces --- */

/* The demo note: peach with an orange stripe, navy text (12.7:1) */
.demo-note {
  padding: 12px 16px;
  border-left: 4px solid var(--orange);
  border-radius: var(--radius-sm);
  background: var(--peach);
}

/* --- Errors --- */

/* A field group with an error gets an orange stripe down its left side */
.has-error {
  padding-left: 12px;
  border-left: 4px solid var(--orange);
}

/* An input with an error gets a navy border, not orange,
   because orange is too faint for a field's edge (2.9:1) */
.text-input[aria-invalid="true"] {
  border-color: var(--navy);
}

/* Bold navy words with a "!" icon, so errors never rely on color alone */
.error-message {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 8px;
  font-weight: 700;
}

/* Empty error spots take up no space */
.error-message:empty {
  display: none;
}

/* Navy "!" on an orange circle (5.7:1) */
.error-icon {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--orange);
  color: var(--navy);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 900;
}

/* The summary box: shown when a step has more than one error.
   White text on navy (16.6:1), with links to each field. */
.error-summary {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: var(--navy);
  color: var(--white);
}

/* Navy "!" on an amber circle (8.1:1) */
.error-summary-icon {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--amber);
  color: var(--navy);
  font-family: var(--font-heading);
  font-weight: 900;
}

.error-summary-title {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 800;
}

.error-summary-text {
  margin-top: 6px;
}

/* The summary uses either the one-line text or the list,
   so whichever one is empty takes up no space */
.error-summary-text:empty,
.error-summary-list:empty {
  display: none;
}

/* A bulleted list, so each error reads as its own item */
.error-summary-list {
  display: grid;
  gap: 6px;
  margin-top: 8px;
  padding-left: 1.25rem;
  list-style: disc;
}

/* Amber bullets on navy (8.1:1) */
.error-summary-list li::marker {
  color: var(--amber);
}

/* White links with orange underlines, like the footer (5.7:1) */
.error-summary a {
  color: var(--white);
}

/* Navy outlines would vanish on the navy box, so use amber here */
.error-summary a:focus-visible {
  outline-color: var(--amber);
}

/* --- Impact message --- */

.impact {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--cream);
}

.impact-icon {
  flex-shrink: 0;
}

/* ==========================================================
   Thank-you step
   ========================================================== */

/* Stacks its parts with even space between them, like the form steps */
.thank-you {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.thank-you-logo {
  align-self: center;
}

.thank-you h2 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 900;
  line-height: 1.2;
  text-align: center;
  /* Leaves a little space above the heading when focus scrolls to it */
  scroll-margin-top: 16px;
}

/* Sits close under the receipt sentence it's about */
.demo-email-note {
  margin-top: -12px;
}

/* What the gift does: the same cream box as the impact line in step 1 */
.thank-you-impact {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: var(--cream);
}

/* The petition and share cards. They stack, because even on desktop
   the form card is too narrow for two cards with full-size buttons. */
.thank-you-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.thank-you-card h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 800;
}

/* Short confirmations, like "You're signed up for updates" */
.thank-you-note {
  color: var(--teal);
  font-weight: 700;
}

.updates-signup {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--mist);
}

.restart-button {
  align-self: center;
}

/* ==========================================================
   Footer
   ========================================================== */

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 40px;
  background: var(--navy);
  color: var(--white);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  padding: 0;
  list-style: none;
}

/* White links with orange underlines. Orange on navy passes (5.7:1). */
.site-footer a {
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
}

/* Navy outlines would vanish on the navy footer, so use amber here */
.site-footer :focus-visible {
  outline-color: var(--amber);
}

.footer-note {
  max-width: 34rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================================
   Very small phones (under 375px, like 320px and 360px)
   Small tweaks so things fit neatly in the narrow space.
   ========================================================== */

@media (max-width: 23.375em) {
  /* "Give / once" and "Give / monthly" both on two lines,
     so the two halves of the toggle match */
  .option-word {
    display: block;
  }

  /* The impact icon sits above its sentence */
  .impact {
    flex-direction: column;
    text-align: center;
  }

  .impact-message {
    text-wrap: balance;
  }

  /* Less padding in the thank-you boxes, so their buttons are wider */
  .thank-you-card,
  .updates-signup {
    padding: 16px;
  }

  /* Smaller button text, so "Continue to payment" fits on one line */
  .button-primary,
  .button-secondary,
  .jump-link {
    padding-inline: 16px;
    font-size: 1.0625rem;
  }
}

/* ==========================================================
   Wider screens
   Sizes are in em, so the layout also adapts at 200% zoom.
   ========================================================== */

/* 480px and up: amounts fit four across */
@media (min-width: 30em) {
  .amount-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .field-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* 900px and up: story on the left, form on the right */
@media (min-width: 56.25em) {
  :root {
    --gutter: 24px;
  }

  .page {
    grid-template-columns: 1fr minmax(0, 560px);
    gap: 64px;
    align-items: start;
    padding-block: 56px 80px;
  }

  .logo-link img {
    width: 186px;
  }

  .intro {
    font-size: 1.25rem;
  }

  /* The form is already in view, so the jump link isn't needed */
  .jump-link {
    display: none;
  }

  .form-card {
    padding: 32px;
  }

  .amount-option {
    font-size: 1.5rem;
  }
}

/* ==========================================================
   Motion
   Smooth scrolling and color fades only for people who
   haven't asked their device to reduce motion.
   ========================================================== */

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }

  .button-primary,
  .button-secondary,
  .jump-link,
  .amount-option,
  .option-label {
    transition:
      background-color 0.15s,
      border-color 0.15s,
      color 0.15s;
  }
}

/* ==========================================================
   Petition page (petition.html)
   It reuses the donation page's header, card, field, error, button
   and demo note styles. Only these pieces are new.
   ========================================================== */

/* The petition's words: a cream box with an orange line on top,
   as wide as the photo above it */
.petition-statement {
  max-width: 480px;
  margin-top: 32px;
  padding: 20px 24px;
  border-top: 4px solid var(--orange);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  background: var(--cream);
}

/* "The petition": a small label, like the campaign tag */
.petition-statement h2 {
  margin-bottom: 8px;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.petition-statement p {
  font-size: 1.0625rem;
  line-height: 1.6;
}

/* The form and the thank-you stack their parts with even space,
   like a donation step */
.petition-form,
.petition-thank-you {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.petition-form h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.25;
  /* Leaves a little space above the heading when focus scrolls to it */
  scroll-margin-top: 16px;
}

.petition-thank-you h2 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 900;
  line-height: 1.2;
  scroll-margin-top: 16px;
}

.petition-thank-you img,
.petition-thank-you .link-button {
  align-self: flex-start;
}

/* The next ask sits under a thin dividing line */
.next-ask {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.next-ask h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
}

.next-ask .button-primary {
  margin-top: 8px;
}

/* Postal codes are short, so from 480px the box is as wide as one
   of the name boxes above it */
@media (min-width: 30em) {
  .postal-code-field .text-input {
    max-width: calc(50% - 12px);
  }
}