/* =========================================================
   MindfulHarmonyJapan — main stylesheet
   ========================================================= */

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

html {
  scroll-behavior: smooth;
}

body,
h1, h2, h3, h4, p, ul, ol, li, figure {
  margin: 0;
  padding: 0;
}

ul {
  list-style: none;
}

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

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

button {
  font: inherit;
  cursor: pointer;
}

/* ---------- Variables ---------- */
:root {
  --color-sage: #93ab80;
  --color-sage-dark: #74906a;
  --color-ivory: #faf7f0;
  --color-blue: #7c98b3;
  --color-beige: #ede6d6;
  --color-charcoal: #3a3a3a;
  --color-white: #ffffff;
  --radius: 12px;
  --transition: 0.25s ease;
  --max-width: 1180px;
  --shadow-soft: 0 1px 4px rgba(58, 58, 58, 0.08);
}

html, body {
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  color: var(--color-charcoal);
  background-color: var(--color-ivory);
  line-height: 1.75;
  font-size: 16px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 72px 0;
}

h1, h2, h3 {
  font-weight: 700;
  line-height: 1.4;
}

h2 {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  margin-bottom: 16px;
  color: var(--color-charcoal);
}

h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.section-intro {
  max-width: 720px;
  margin: 0 auto 40px;
  text-align: center;
  color: #5a5a5a;
}

.section-tag {
  display: inline-block;
  background: var(--color-beige);
  color: var(--color-sage-dark);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
  font-weight: 600;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 13px 30px;
  border-radius: var(--radius);
  font-weight: 600;
  border: 2px solid transparent;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}

.btn-primary {
  background-color: var(--color-sage);
  color: var(--color-white);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--color-sage-dark);
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--color-charcoal);
  color: var(--color-charcoal);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background-color: var(--color-charcoal);
  color: var(--color-white);
}

.btn-block {
  width: 100%;
  text-align: center;
}

/* ---------- Header / Navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-ivory);
  border-bottom: 1px solid var(--color-beige);
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-sage-dark);
  letter-spacing: 0.02em;
}

.main-nav ul {
  display: flex;
  gap: 28px;
}

.nav-link {
  font-weight: 500;
  color: var(--color-charcoal);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-sage-dark);
  border-color: var(--color-sage);
}

/* Burger controls hidden on desktop */
.nav-toggle,
.nav-toggle-label {
  display: none;
}

/* ---------- Hero ---------- */
.hero {
  padding: 64px 0 56px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 20px;
  color: var(--color-charcoal);
}

.hero-content p {
  color: #555;
  margin-bottom: 28px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- Section images (16:9) ---------- */
.section-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
}

.contact-image {
  margin-bottom: 24px;
}

/* ---------- Feature / Topic cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-beige);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-soft);
}

.card p {
  color: #5a5a5a;
}

.card-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: var(--color-beige);
  color: var(--color-sage-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 16px;
}

/* ---------- About / Approach split layout ---------- */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.split-layout.reverse .split-media {
  order: 2;
}

.split-text p {
  color: #555;
  margin-bottom: 16px;
}

.steps-list {
  margin-top: 20px;
}

.steps-list li {
  display: flex;
  gap: 14px;
  margin-bottom: 14px;
}

.step-number {
  flex: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-sage);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

/* ---------- Alternate section background ---------- */
.bg-beige {
  background-color: var(--color-beige);
}

.bg-white {
  background-color: var(--color-white);
}

/* ---------- Testimonials ---------- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-beige);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.testimonial-quote {
  color: #4e4e4e;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-sage);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex: none;
}

.author-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.author-role {
  font-size: 0.82rem;
  color: #777;
}

/* ---------- Contact form ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
}

.contact-info p {
  color: #555;
  margin-bottom: 18px;
}

.contact-info address {
  font-style: normal;
  color: #555;
  line-height: 1.8;
}

.contact-info a {
  color: var(--color-sage-dark);
  font-weight: 600;
}

.contact-form {
  background-color: var(--color-white);
  border: 1px solid var(--color-beige);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-soft);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 0.92rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font: inherit;
  background-color: var(--color-ivory);
  color: var(--color-charcoal);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-sage);
}

.form-group textarea {
  resize: vertical;
  min-height: 110px;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: #555;
}

.form-checkbox input {
  margin-top: 4px;
  flex: none;
}

.form-checkbox a {
  color: var(--color-sage-dark);
  font-weight: 600;
}

.form-hint {
  font-size: 0.8rem;
  color: #888;
  margin-top: 6px;
}

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(58, 58, 58, 0.55);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
}

.modal-overlay.is-visible {
  display: flex;
}

.modal-box {
  background-color: var(--color-white);
  border-radius: var(--radius);
  padding: 36px 30px;
  max-width: 420px;
  width: 100%;
  text-align: center;
}

.modal-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--color-sage);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto 18px;
}

.modal-box h3 {
  margin-bottom: 10px;
}

.modal-box p {
  color: #555;
  margin-bottom: 24px;
}

/* ---------- Cookie banner ---------- */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: -200px;
  background-color: var(--color-charcoal);
  color: var(--color-white);
  z-index: 1500;
  transition: bottom var(--transition);
  padding: 20px 0;
}

.cookie-banner.is-visible {
  bottom: 0;
}

.cookie-banner .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-text {
  font-size: 0.9rem;
  color: #e6e6e6;
  flex: 1 1 400px;
}

.cookie-text a {
  color: var(--color-beige);
  font-weight: 600;
  text-decoration: underline;
}

.cookie-actions {
  flex: none;
}

/* ---------- Footer ---------- */
.site-footer {
  background-color: var(--color-charcoal);
  color: #e6e6e6;
  padding: 56px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}

.footer-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-white);
  margin-bottom: 14px;
  display: inline-block;
}

.footer-grid p,
.footer-grid address {
  font-style: normal;
  color: #c7c7c7;
  font-size: 0.92rem;
}

.footer-heading {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 16px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #c7c7c7;
  font-size: 0.92rem;
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 20px;
  text-align: center;
  font-size: 0.82rem;
  color: #a9a9a9;
}

/* =========================================================
   Responsive — Tablet (≤1024px)
   ========================================================= */
@media (max-width: 1024px) {
  .card-grid,
  .testimonial-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-media {
    order: -1;
  }

  .split-layout,
  .split-layout.reverse .split-media {
    order: 0;
  }

  .split-layout {
    grid-template-columns: 1fr;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

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

/* =========================================================
   Burger menu breakpoint — 900px (pure CSS checkbox hack)
   ========================================================= */
@media (max-width: 900px) {
  .nav-toggle-label {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    cursor: pointer;
    z-index: 1100;
  }

  .burger-line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-charcoal);
    transition: transform var(--transition), opacity var(--transition);
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-ivory);
    border-bottom: 1px solid var(--color-beige);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 16px;
  }

  .main-nav ul li {
    border-bottom: 1px solid var(--color-beige);
  }

  .main-nav ul li:last-child {
    border-bottom: none;
  }

  .nav-link {
    display: block;
    padding: 14px 4px;
  }

  /* Checkbox hack: show menu when checked */
  .nav-toggle:checked ~ .main-nav {
    max-height: 420px;
  }

  /* Animate burger into a cross when checked */
  .nav-toggle:checked ~ .nav-toggle-label .burger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle:checked ~ .nav-toggle-label .burger-line:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle:checked ~ .nav-toggle-label .burger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

/* =========================================================
   Responsive — Mobile (≤600px)
   ========================================================= */
@media (max-width: 600px) {
  section {
    padding: 52px 0;
  }

  .card-grid,
  .testimonial-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .contact-form {
    padding: 24px 18px;
  }

  .cookie-banner .container {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .cookie-actions {
    display: flex;
    justify-content: center;
  }
}

/* ---------- Legal pages ---------- */
.legal-main {
  padding: 56px 0 72px;
}

.legal-main .container {
  max-width: 820px;
}

.legal-main h1 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 8px;
}

.legal-updated {
  color: #888;
  font-size: 0.88rem;
  margin-bottom: 32px;
}

.legal-main h2 {
  font-size: 1.25rem;
  margin-top: 32px;
}

.legal-main p,
.legal-main li {
  color: #4e4e4e;
  margin-bottom: 14px;
}

.legal-main ul {
  list-style: disc;
  padding-left: 22px;
}

.back-link {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--color-sage-dark);
  font-weight: 600;
}