@import url("variables.css");
@import url("theme-switcher.css");

/* ===========================
   CSS Custom Properties
   (page-specific)
   =========================== */
:root {
  --max-width: 800px;
  --header-height: 64px;
}

/* ===========================
   Reset & Base
   =========================== */
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-bg);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  color: var(--color-primary-dark);
}

img {
  max-width: 100%;
  height: auto;
}

/* ===========================
   Main Content
   =========================== */
.mainContent {
  flex-grow: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

/* ===========================
   Sections (common)
   =========================== */
.section {
  padding: 3rem 0;
  border-bottom: 1px solid var(--color-border);

  &:last-child {
    border-bottom: none;
  }
}

/* Markdown-generated content cannot carry BEM classes,
   so descendant type selectors are used within .section. */
.section h1 {
  margin-top: 0;
  margin-bottom: 1.5rem;
}

.section__titleSub {
  font-size: 0.75em;
}

.section h2 {
  font-size: 1.5rem;
  color: var(--color-primary-dark);
  margin-top: 0;
  margin-bottom: 1.5rem;
}

.section h3 {
  font-size: 1.15rem;
  color: var(--color-text);
  margin-top: 2rem;
  margin-bottom: 0.75rem;

  &:first-of-type {
    margin-top: 0.5rem;
  }
}

.section p {
  margin-top: 0;
  margin-bottom: 1rem;
}

.section ul {
  padding-left: 1.5rem;
}

.section li {
  margin-bottom: 0.5rem;
}

/* ===========================
   Buttons
   =========================== */
.button {
  display: inline-block;
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    background-color 0.2s,
    transform 0.1s;
  text-align: center;

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

  &:active {
    transform: translateY(0);
  }
}

.button--primary {
  background-color: var(--color-accent);
  color: var(--color-on-primary);

  &:hover {
    background-color: var(--color-accent-dark);
    color: var(--color-on-primary);
  }
}

/* ===========================
   Footer
   =========================== */
.siteFooter {
  margin-top: 2rem;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg-alt);
}

.siteFooter__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem;
}

.siteFooter__copyright {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.siteFooter__nav {
  font-size: 0.85rem;
}

.siteFooter__link {
  color: var(--color-text-light);
  text-decoration: none;

  &:hover {
    color: var(--color-primary);
    text-decoration: underline;
  }
}

/* ===========================
   Header
   =========================== */
.siteHeader {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.siteHeader__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.siteHeader__logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);

  &:hover {
    color: var(--color-primary-dark);
  }
}

/* --- Hamburger toggle button --- */
.navToggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.navToggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 1px;
  transition:
    transform 0.25s ease,
    opacity 0.25s ease;
}

/* translateY = gap (5px) + bar-height (2px) = 7px */
.navToggle[aria-expanded="true"] .navToggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navToggle[aria-expanded="true"] .navToggle__bar:nth-child(2) {
  opacity: 0;
}

.navToggle[aria-expanded="true"] .navToggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Navigation --- */
.siteNav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.siteNav__link {
  font-size: 0.875rem;
  color: var(--color-text-light);
  transition: color 0.2s;

  &:hover {
    color: var(--color-primary);
  }
}

.siteNav__cta {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  padding: 0.4rem 1rem;
  border-radius: 6px;
  font-weight: 600;

  &:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-on-primary);
  }
}

/* ===========================
   Target List
   =========================== */
.targetList {
  list-style: none;
  padding-left: 0;
}

.targetList__item {
  padding: 0.5rem 0 0.5rem 1.5rem;
  position: relative;

  &::before {
    content: "\2013";
    position: absolute;
    left: 0;
    color: var(--color-primary);
  }
}

/* ===========================
   Contact Form
   =========================== */
.contactForm {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 560px;
}

.contactForm__label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.contactForm__input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 1rem;
  font-family: var(--font-body);
  background-color: var(--color-white);
  transition: border-color 0.2s;

  &:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-focus-ring);
  }
}

.contactForm__submit {
  width: 100%;
}

.contactForm__checkboxLabel {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-weight: normal;
  font-size: 0.9rem;
  cursor: pointer;
}

.contactForm__checkbox {
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
  cursor: pointer;
}

/* ===========================
   Form Errors
   =========================== */
.formErrorSummary {
  color: var(--color-error);
  font-size: 0.9rem;
  padding: 0.75rem;
  border: 1px solid var(--color-error);
  border-radius: 6px;
  background-color: var(--color-error-bg);
}

.formError {
  display: block;
  color: var(--color-error);
  font-size: 0.85rem;
  margin-top: 0.3rem;
}

/* ===========================
   Thank You Page
   =========================== */
.thankYou {
  text-align: center;
  padding: 4rem 0;
}

.thankYou__heading {
  margin-bottom: 1rem;
}

.thankYou__text {
  margin-bottom: 2rem;
  color: var(--color-text-light);
}

/* ===========================
   Privacy Policy Page
   =========================== */
.privacyPolicy__list {
  margin-bottom: 1rem;
}

.privacyPolicy__listItem {
  margin-bottom: 0.3rem;
}

.privacyPolicy__updated {
  margin-top: 2.5rem;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* ===========================
   Placeholder Text
   =========================== */
.placeholder {
  color: var(--color-text-light);
  font-style: italic;
}

/* ===========================
   Profile Image
   =========================== */
.profileImage {
  display: block;
  width: 100%;
  border-radius: 12px;
  margin-bottom: 1.5rem;
}

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

/* ===========================
   Responsive
   =========================== */
@media (width <= 768px) {
  body.navOpen {
    overflow: hidden;
    position: fixed;
    width: 100%;
  }

  .navToggle {
    display: flex;
  }

  .siteNav {
    display: none;
    position: fixed;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    left: 0;
    background-color: var(--color-white);
    overflow-y: auto;
    overscroll-behavior: contain;
    z-index: 99;
  }

  .siteNav--open {
    display: block;
  }

  .siteNav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 0;
  }

  .siteNav__item {
    border-bottom: 1px solid var(--color-border);

    &:last-child {
      border-bottom: none;
    }
  }

  .siteNav__link {
    display: block;
    padding: 0.875rem 1.5rem;
    font-size: 0.95rem;
  }

  .siteNav__cta {
    display: block;
    margin: 0.5rem 1.5rem 1rem;
    padding: 0.65rem 1rem;
    text-align: center;
    border-radius: 6px;
  }
}

.profileNameJa {
  font-size: 2em;
  margin-right: 0.75em;
}