/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-bg: rgb(196, 216, 237);
  --color-bg-dark: rgb(160, 190, 215);
  --color-gold: #c9a96e;
  --color-gold-light: #e8d5b0;
  --color-white: #ffffff;
  --color-text: #2d2d2d;
  --color-text-light: #5a5a5a;
  --font-serif: 'Cormorant Infant', Georgia, serif;
  --font-sans: 'Comfortaa', sans-serif;
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; font-size: 18px; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 18px;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 14px 48px;
  border-radius: 40px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.btn--primary {
  background: var(--color-gold);
  color: var(--color-white);
  border-color: var(--color-gold);
  font-size: 1rem;
}
.btn--primary:hover { background: #b8935a; border-color: #b8935a; }
.btn--primary:disabled { opacity: 0.6; cursor: not-allowed; }

/* ===== SECTION TITLE ===== */
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 400;
  color: var(--color-text);
  text-align: center;
  margin-bottom: 48px;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 14px 24px;
  background: rgba(196, 216, 237, 0.9);
  backdrop-filter: blur(8px);
}

.nav__list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 28px;
  list-style: none;
  flex-wrap: wrap;
}

.nav__link {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
}
.nav__link:hover { color: var(--color-gold); }
.nav__link--cal { color: var(--color-gold); }

.nav__link--btn {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  font-weight: inherit;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: url('images/hero.jpg') center center / cover no-repeat;
  padding: 100px 24px 60px;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
}

.hero__content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  width: 100%;
  max-width: 800px;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 5vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  margin-bottom: 40px;
  line-height: 1.3;
}

/* ===== CHILDHOOD PHOTOS ===== */
.childhood {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.childhood__person {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.childhood__photo-wrap {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid rgba(255,255,255,0.5);
}

.childhood__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.childhood__name {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-style: italic;
  color: var(--color-white);
}

.childhood__plus {
  font-size: 2.5rem;
  color: var(--color-gold-light);
  font-weight: 300;
  line-height: 1;
}

/* ===== HERO DATE & MONOGRAM ===== */
.hero__date {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-style: italic;
  margin-bottom: 8px;
  color: var(--color-white);
}

.hero__monogram {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  color: var(--color-gold-light);
  margin-bottom: 36px;
}

/* ===== COUNTDOWN ===== */
.countdown {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
}

.countdown__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.countdown__num {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 6vw, 3.5rem);
  font-weight: 300;
  color: var(--color-white);
  line-height: 1;
  min-width: 2ch;
  text-align: center;
}

.countdown__unit {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
}

/* ===== INVITATION ===== */
.invitation {
  padding: 80px 0 60px;
  background: var(--color-bg);
  text-align: center;
}

.invitation__greeting {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 300;
  line-height: 1.15;
  margin-bottom: 32px;
  color: var(--color-text);
}

.invitation__greeting span {
  color: var(--color-gold);
}

.invitation__body {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text-light);
  margin-bottom: 16px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.invitation__quote {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-style: italic;
  color: var(--color-gold);
  margin: 48px 0;
}

/* ===== COUPLE PHOTOS ===== */
.couple-photos {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.couple-photo__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.couple-photo__img {
  width: 260px;
  height: 360px;
  object-fit: cover;
  object-position: top;
  border-radius: 130px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.couple-photo__name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-style: italic;
  color: var(--color-text);
}

/* ===== INFO SECTIONS ===== */
.info-section {
  padding: 64px 0;
  background: var(--color-white);
  text-align: center;
}

.info-section--alt {
  background: var(--color-bg);
}

.info-card__title {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 20px;
}

.info-card__text {
  color: var(--color-text-light);
  line-height: 1.9;
  font-size: 0.95rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== RSVP ===== */
.rsvp {
  padding: 80px 0;
  background: var(--color-white);
  text-align: center;
}

.rsvp__text {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto 12px;
}

.rsvp__waiting {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-style: italic;
  color: var(--color-gold);
  margin: 32px 0 40px;
}

.rsvp__toggle-wrap {
  margin-bottom: 40px;
}

.rsvp__form-wrap {
  max-width: 560px;
  margin: 0 auto;
  text-align: left;
}

.rsvp__form-wrap[hidden] { display: none; }

.rsvp__form {
  background: var(--color-bg);
  padding: 40px;
  border-radius: 8px;
}

.form-group { margin-bottom: 24px; }

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 10px;
}

.form-input {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--color-bg-dark);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition);
  outline: none;
}
.form-input:focus { border-color: var(--color-gold); }
.form-input.invalid { border-color: #e05555; }

.form-textarea { resize: vertical; min-height: 90px; }

.form-error {
  display: none;
  color: #e05555;
  font-size: 0.78rem;
  margin-top: 5px;
}

.radio-group, .checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.radio-label, .checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--color-text);
}

.radio-label input, .checkbox-label input {
  width: 17px;
  height: 17px;
  accent-color: var(--color-gold);
  cursor: pointer;
  flex-shrink: 0;
}

.form-success {
  display: none;
  text-align: center;
  color: #3a9e5f;
  font-size: 1rem;
  margin-top: 20px;
  padding: 14px;
  background: #eafaf0;
  border-radius: 6px;
}

.form-error-global {
  display: none;
  text-align: center;
  color: #e05555;
  font-size: 0.88rem;
  margin-top: 14px;
}

.btn--submit {
  display: block;
  margin: 8px auto 0;
  width: fit-content;
}

/* ===== SCHEDULE ===== */
.schedule {
  padding: 80px 0;
  background: var(--color-bg);
}

.schedule__list {
  display: flex;
  flex-direction: column;
  max-width: 620px;
  margin: 0 auto;
}

.schedule__item {
  display: grid;
  grid-template-columns: 70px 2px 1fr;
  gap: 0 20px;
  padding-bottom: 44px;
}

.schedule__item:last-child { padding-bottom: 0; }

.schedule__time {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--color-gold);
  text-align: right;
  padding-top: 2px;
  white-space: nowrap;
}

.schedule__line {
  background: var(--color-gold-light);
  position: relative;
  width: 2px;
  margin: 0 auto;
}

.schedule__line::before {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  background: var(--color-gold);
  border-radius: 50%;
  border: 2px solid var(--color-bg);
}

.schedule__event {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: 5px;
}

.schedule__place {
  font-size: 0.85rem;
  color: var(--color-gold);
  font-weight: 600;
  margin-bottom: 5px;
}

.schedule__desc {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ===== MAP ===== */
.map-section {
  padding: 80px 0 0;
  background: var(--color-white);
}

.map-section__addr {
  text-align: center;
  color: var(--color-text-light);
  margin-top: -28px;
  margin-bottom: 40px;
  font-size: 0.9rem;
}

.ymap {
  width: 100%;
  height: 420px;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-gold);
  padding: 40px 24px;
  text-align: center;
  color: var(--color-white);
}

.footer__text {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  opacity: 0.85;
  margin-bottom: 10px;
}

.footer__heart { font-size: 1.6rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  .nav__list { gap: 14px; }
  .nav__link { font-size: 0.68rem; }

  .childhood__photo-wrap { width: 110px; height: 110px; }

  .couple-photo__img { width: 160px; height: 220px; }

  .schedule__item { grid-template-columns: 56px 2px 1fr; gap: 0 14px; }
  .schedule__time { font-size: 1.1rem; }

  .rsvp__form { padding: 28px 20px; }
}