/* =========================================================
   Audrey Laegatha Kwan · Sweet Seventeen
   Editorial · Playfair Display + Inter · Soft Blue
   ========================================================= */

:root {
  --ivory: #F2F7FC;
  --ivory-warm: #E4EEF8;
  --navy: #14243A;
  --navy-soft: #2E4159;
  --navy-light: #55687F;
  --blue-dusty: #6B8CAD;
  --blue-mid: #8BA8C4;
  --blue-pale: #C8D7E4;
  --blue-whisper: #DCE7F2;
  --blue-line: #CFDCE9;
  --white: #FFFFFF;

  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --max-wide: 1200px;
  --max-narrow: 640px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--navy);
  background-color: var(--ivory);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  font: inherit;
}

/* ---------- Typography ---------- */

.eyebrow {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--blue-dusty);
  margin: 0 0 24px 0;
}

.eyebrow-center {
  text-align: center;
}

.section-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--navy);
  margin: 0 0 56px 0;
  text-align: center;
  font-style: italic;
}

/* ---------- Layout ---------- */

.container {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0 32px;
}

.container-narrow {
  max-width: var(--max-narrow);
  margin: 0 auto;
  padding: 0 32px;
}

section {
  padding: 120px 0;
}

@media (max-width: 640px) {
  .container,
  .container-narrow {
    padding: 0 24px;
  }
  section {
    padding: 80px 0;
  }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 40px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
  min-height: 52px;
}

.btn-primary {
  background-color: var(--navy-soft);
  color: var(--ivory);
  transition: background-color 0.5s var(--ease-out), color 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out), transform 0.4s var(--ease-out);
}

.btn-primary:hover {
  background-color: #C1CBD5;
  color: var(--navy);
  box-shadow: 0 14px 36px rgba(20, 36, 58, 0.14);
}

.btn-submit {
  width: 100%;
  padding: 20px 40px;
  margin-top: 12px;
}

.btn-loading {
  display: none;
}

.btn.is-loading .btn-text {
  display: none;
}

.btn.is-loading .btn-loading {
  display: inline;
}

.btn.is-loading {
  opacity: 0.7;
  cursor: wait;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  color: var(--blue-dusty);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: color 0.3s var(--ease-out), gap 0.3s var(--ease-out);
}

.link-arrow svg {
  transition: transform 0.4s var(--ease-out);
}

.link-arrow:hover {
  color: var(--navy);
  gap: 12px;
}

.link-arrow:hover svg {
  transform: translate(2px, -2px);
}

.cta-center {
  text-align: center;
  margin-top: 72px;
}

/* ---------- Hero ---------- */

.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  padding: 0;
  background-color: var(--ivory);
  overflow: hidden;
}

.hero-image {
  position: relative;
  overflow: hidden;
  background-color: var(--blue-whisper);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  transform: scale(1.02);
  transition: transform 8s var(--ease-out);
}

.hero.is-revealed .hero-image img {
  transform: scale(1);
}

.hero-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(20, 36, 58, 0.06) 0%,
    rgba(20, 36, 58, 0.22) 100%
  );
  pointer-events: none;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 56px 64px;
  background-color: var(--ivory);
  position: relative;
}

.hero-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--blue-dusty);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--blue-line);
}

.hero-middle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
  padding: 48px 0;
}

.hero-middle .eyebrow {
  margin-bottom: 20px;
}

.display-name {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(56px, 9vw, 112px);
  line-height: 0.92;
  letter-spacing: -0.025em;
  color: var(--navy);
  margin: 0 0 28px 0;
  display: flex;
  flex-direction: column;
}

.display-name-first {
  font-style: italic;
  font-weight: 400;
}

.display-name-last {
  font-style: normal;
  font-weight: 500;
  font-size: 0.58em;
  letter-spacing: 0.02em;
  margin-top: 4px;
  color: var(--navy-soft);
}

.hero-subtitle {
  font-family: var(--font-serif);
  font-size: clamp(18px, 2vw, 22px);
  font-style: italic;
  color: var(--blue-dusty);
  margin: 0;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.hero-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--blue-line);
}

.hero-meta {
  display: flex;
  align-items: stretch;
  gap: 20px;
}

.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-meta-label {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--blue-dusty);
}

.hero-meta-value {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--navy);
  font-style: italic;
  line-height: 1.3;
}

.hero-meta-divider {
  width: 1px;
  background-color: var(--blue-line);
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-image {
    height: 58vh;
    min-height: 420px;
  }

  .hero-content {
    padding: 40px 32px 56px 32px;
    min-height: 620px;
  }

  .hero-middle {
    padding: 32px 0;
    text-align: left;
  }

  .hero-bottom {
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
  }

  .hero-bottom .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .hero-content {
    padding: 32px 24px 48px 24px;
    min-height: 560px;
  }
  .hero-top {
    font-size: 10px;
  }
  .hero-meta {
    gap: 16px;
  }
}

/* ---------- Story ---------- */

.story {
  background-color: var(--ivory-warm);
  position: relative;
  padding: 140px 0;
}

.story::before,
.story::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 48px;
  background-color: var(--blue-line);
}

.story::before {
  top: 0;
}

.story::after {
  bottom: 0;
}

.story-text {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3.2vw, 32px);
  line-height: 1.55;
  color: var(--navy);
  text-align: center;
  margin: 0;
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.005em;
}

/* ---------- Details ---------- */

.details {
  background-color: var(--ivory);
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1080px;
  margin: 0 auto;
}

.detail-card {
  background-color: var(--white);
  border: 1px solid var(--blue-line);
  border-radius: 2px;
  padding: 40px 28px;
  text-align: left;
  transition: all 0.5s var(--ease-out);
  position: relative;
}

.detail-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 32px;
  height: 1px;
  background-color: var(--blue-dusty);
  transition: width 0.5s var(--ease-out);
}

.detail-card:hover {
  border-color: var(--blue-pale);
  transform: translateY(-4px);
  box-shadow: 0 24px 48px rgba(20, 36, 58, 0.08);
}

.detail-card:hover::before {
  width: 100%;
}

.detail-label {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--blue-dusty);
  margin: 0 0 24px 0;
}

.detail-value {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--navy-light);
  margin: 6px 0 0 0;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.detail-value-big {
  font-family: var(--font-serif);
  font-size: 26px;
  color: var(--navy);
  margin: 0;
  font-weight: 500;
  font-style: italic;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

@media (max-width: 900px) {
  .details-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .details-grid {
    grid-template-columns: 1fr;
  }

  .detail-card {
    padding: 32px 28px;
  }
}

/* ---------- Timeline ---------- */

.timeline {
  background-color: var(--ivory-warm);
}

.timeline-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 560px;
  margin: 0 auto;
}

.timeline-list li {
  display: flex;
  align-items: baseline;
  gap: 40px;
  padding: 28px 0;
  border-bottom: 1px solid var(--blue-line);
  transition: padding 0.4s var(--ease-out);
}

.timeline-list li:last-child {
  border-bottom: none;
}

.timeline-list li:hover {
  padding-left: 8px;
}

.timeline-time {
  font-family: var(--font-serif);
  font-size: 24px;
  font-style: italic;
  color: var(--blue-dusty);
  font-weight: 500;
  min-width: 110px;
  flex-shrink: 0;
}

.timeline-event {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--navy-soft);
  letter-spacing: 0.01em;
}

@media (max-width: 480px) {
  .timeline-list li {
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
  }

  .timeline-list li:hover {
    padding-left: 0;
  }

  .timeline-time {
    font-size: 22px;
    min-width: auto;
  }
}

/* ---------- Gallery ---------- */

.gallery {
  background-color: var(--ivory);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1080px;
  margin: 0 auto;
}

.gallery-item {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.gallery-photo {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  aspect-ratio: 3 / 4;
  background-color: var(--blue-whisper);
}

.gallery-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 1s var(--ease-out);
}

.gallery-item:hover .gallery-photo img {
  transform: scale(1.04);
}

.gallery-caption {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  font-weight: 400;
  color: var(--blue-dusty);
  text-align: center;
  margin: 0;
  letter-spacing: 0.01em;
}

@media (max-width: 700px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    max-width: 440px;
  }
}

/* ---------- RSVP ---------- */

.rsvp {
  background-color: var(--blue-pale);
  position: relative;
}

.rsvp .section-title {
  margin-bottom: 16px;
}

.rsvp-note {
  text-align: center;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--navy-soft);
  margin: 0 auto 56px auto;
  line-height: 1.75;
  max-width: 440px;
}

.rsvp-form {
  background-color: var(--white);
  padding: 56px;
  border-radius: 2px;
  border: 1px solid var(--blue-pale);
  box-shadow: 0 28px 72px rgba(20, 36, 58, 0.1);
}

.form-group {
  margin-bottom: 28px;
}

.form-group label {
  display: block;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--navy-soft);
  margin-bottom: 12px;
}

.form-group .required {
  color: var(--blue-dusty);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
  width: 100%;
  padding: 16px 18px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--navy);
  background-color: var(--ivory);
  border: 1px solid var(--blue-line);
  border-radius: 2px;
  transition: border-color 0.3s var(--ease-out), background-color 0.3s var(--ease-out);
  -webkit-appearance: none;
  appearance: none;
}

.form-group input:focus-visible,
.form-group textarea:focus-visible {
  outline: none;
  border-color: var(--blue-dusty);
  background-color: var(--white);
  box-shadow: 0 0 0 3px rgba(107, 140, 173, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--navy-light);
  opacity: 0.55;
}

.form-group textarea {
  resize: vertical;
  min-height: 110px;
  font-family: var(--font-sans);
}

.radio-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.radio-label {
  display: flex !important;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px !important;
  background-color: var(--ivory);
  border: 1px solid var(--blue-line);
  border-radius: 2px;
  cursor: pointer;
  margin: 0 !important;
  text-transform: none !important;
  letter-spacing: 0 !important;
  font-family: var(--font-serif) !important;
  font-size: 18px !important;
  font-style: italic;
  font-weight: 400 !important;
  color: var(--navy) !important;
  transition: all 0.3s var(--ease-out);
}

.radio-label:hover {
  border-color: var(--blue-pale);
  background-color: var(--white);
}

.radio-label input[type="radio"] {
  accent-color: var(--blue-dusty);
  margin: 0;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  cursor: pointer;
}

.radio-label:has(input[type="radio"]:checked) {
  border-color: var(--blue-dusty);
  background-color: var(--blue-whisper);
}

.form-status {
  margin-top: 24px;
  padding: 18px;
  border-radius: 2px;
  font-size: 14px;
  text-align: center;
  display: none;
  font-family: var(--font-sans);
}

.form-status.is-success {
  display: block;
  background-color: #E8F2EC;
  color: #2E5D31;
  border: 1px solid #C4DDC9;
}

.form-status.is-error {
  display: block;
  background-color: #FDE7E7;
  color: #8B2F2F;
  border: 1px solid #F5C6C6;
}

@media (max-width: 640px) {
  .rsvp-form {
    padding: 36px 24px;
  }

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

/* ---------- Thank You ---------- */

.thankyou {
  background-color: var(--ivory);
  text-align: center;
}

.thankyou-text {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.55;
  color: var(--navy);
  font-style: italic;
  margin: 0 0 36px 0;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.thankyou-signoff {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--blue-dusty);
  margin: 36px 0 0 0;
  letter-spacing: 0.02em;
  font-style: italic;
}

/* ---------- Footer ---------- */

footer {
  padding: 48px 24px;
  text-align: center;
  background-color: var(--ivory);
  border-top: 1px solid var(--blue-line);
}

footer p {
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--navy-light);
  margin: 0;
}

/* ---------- Scroll Reveal ---------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
  will-change: opacity, transform;
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.hero[data-reveal] {
  /* hero should not translate on load */
  transform: none;
  transition: opacity 1.2s var(--ease-out);
}

/* ---------- Hero entrance staggering ---------- */

.hero .hero-top,
.hero .hero-middle > *,
.hero .hero-bottom {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

.hero.is-revealed .hero-top { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.hero.is-revealed .hero-middle .eyebrow { transition-delay: 0.25s; opacity: 1; transform: translateY(0); }
.hero.is-revealed .hero-middle .display-name { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
.hero.is-revealed .hero-middle .hero-subtitle { transition-delay: 0.55s; opacity: 1; transform: translateY(0); }
.hero.is-revealed .hero-bottom { transition-delay: 0.7s; opacity: 1; transform: translateY(0); }

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .hero .hero-top,
  .hero .hero-middle > *,
  .hero .hero-bottom {
    opacity: 1;
    transform: none;
  }

  .hero-image img {
    transform: none;
  }
}