/* ============================================================
   REYHAN & BÜLENT — NİŞAN DAVETİYESİ
   styles.css  |  Açık / Romantik Tema
   ============================================================ */

/* ---- CSS Custom Properties ---- */
:root {
  /* Backgrounds */
  --hero-bg:      #FFF6F0;   /* Sıcak beyaz — hero */
  --ivory:        #FAF6F0;   /* Fildişi — countdown */
  --champagne:    #F5E6D3;   /* Şampanya — details */
  --blush-bg:     #F8EAE4;   /* Açık pudra — RSVP */
  --footer-dark:  #3D2434;   /* Koyu erik — footer */
  --white:        #FFFFFF;

  /* Accent colors */
  --blush:        #F2C4BC;   /* Pudra pembesi */
  --dusty-rose:   #C97A72;   /* Soluk gül */
  --rose:         #B85C6E;   /* Gül kırmızısı */
  --gold:         #C9A84C;   /* Altın */
  --gold-light:   #E8D5A3;   /* Açık altın */
  --gold-dim:     rgba(201,168,76,0.22);
  --sage:         #B2C2A5;   /* Adaçayı yeşili */

  /* Text */
  --dark-text:    #3D2434;   /* En koyu — başlıklar */
  --mauve:        #7B4F5E;   /* Orta — body text */
  --text-muted:   #B08898;   /* Açık — ikincil metin */

  /* Typography */
  --font-script:  'Great Vibes', cursive;
  --font-serif:   'Cormorant Garamond', serif;
  --font-sans:    'Montserrat', sans-serif;

  --section-py:   6rem;
  --container:    1100px;
}

/* ---- Reset ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Ensure HTML hidden attribute always works */
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--dark-text);
  background: var(--ivory);
  overflow-x: hidden;
  line-height: 1.7;
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.85s ease-out, transform 0.85s ease-out;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   HERO  —  Açık, Romantik Arka Plan
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 2rem 1.5rem 6rem;
  background:
    radial-gradient(ellipse at 22% 30%, rgba(242,196,188,0.65) 0%, transparent 50%),
    radial-gradient(ellipse at 78% 70%, rgba(201,168,76,0.22) 0%, transparent 46%),
    radial-gradient(ellipse at 55% 20%, rgba(212,133,122,0.40) 0%, transparent 42%),
    radial-gradient(ellipse at 28% 78%, rgba(178,194,165,0.35) 0%, transparent 44%),
    #FFF6F0;
}

/* Ambient orbs — pasteller, açık bg'de görünür */
.hero-orbs { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }

.orb {
  position: absolute;
  border-radius: 50%;
  animation: orbDrift 18s ease-in-out infinite;
  opacity: 0.55;
}
.orb-1 { width: 500px; height: 500px; background: radial-gradient(circle, rgba(242,196,188,0.7) 0%, transparent 70%); top: -160px; left: -140px; animation-duration: 22s; }
.orb-2 { width: 350px; height: 350px; background: radial-gradient(circle, rgba(201,168,76,0.3) 0%, transparent 70%); bottom: -80px; right: -80px; animation-duration: 17s; animation-delay: -5s; }
.orb-3 { width: 260px; height: 260px; background: radial-gradient(circle, rgba(178,194,165,0.5) 0%, transparent 70%); top: 45%; right: 18%; animation-duration: 24s; animation-delay: -10s; }
.orb-4 { width: 200px; height: 200px; background: radial-gradient(circle, rgba(212,133,122,0.45) 0%, transparent 70%); bottom: 28%; left: 12%; animation-duration: 19s; animation-delay: -14s; }

@keyframes orbDrift {
  0%,100% { transform: translate(0,0) scale(1); }
  25%      { transform: translate(18px,-28px) scale(1.04); }
  50%      { transform: translate(-14px,-18px) scale(0.96); }
  75%      { transform: translate(10px, 22px) scale(1.02); }
}

/* Hero content */
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.6rem;
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--dusty-rose);
  opacity: 0.9;
  animation: fadeDown 1s ease-out 0.3s both;
}

.couple-names {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
  justify-content: center;
  line-height: 1;
  animation: fadeDown 1s ease-out 0.55s both;
}

.name-part {
  font-family: var(--font-script);
  font-size: clamp(3.2rem, 10vw, 6.8rem);
  color: var(--dark-text);
  text-shadow: 0 2px 20px rgba(201,168,76,0.18);
}

.amp-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.amp-svg {
  width: clamp(44px, 9vw, 76px);
  height: clamp(44px, 9vw, 76px);
  animation: spinSlow 35s linear infinite;
}
@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.hero-divider {
  width: min(340px, 90%);
  animation: fadeIn 1s ease-out 0.85s both;
}
.hero-divider svg { width: 100%; height: auto; }

.hero-date-text {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 3vw, 1.7rem);
  font-style: italic;
  color: var(--mauve);
  letter-spacing: 0.05em;
  animation: fadeUp 1s ease-out 1.05s both;
}
.date-placeholder { color: rgba(123,79,94,0.45); font-size: 0.9em; }

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 2.6rem;
  border: 1px solid rgba(107,58,78,0.4);
  color: var(--mauve);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  text-decoration: none;
  background: transparent;
  transition: background 0.3s, color 0.3s, border-color 0.3s, transform 0.2s;
  animation: fadeUp 1s ease-out 1.25s both;
}
.hero-cta:hover {
  background: rgba(107,58,78,0.07);
  border-color: var(--rose);
  color: var(--rose);
  transform: translateY(-2px);
}
.cta-arrow { transition: transform 0.3s; }
.hero-cta:hover .cta-arrow { transform: translateX(5px); }

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 1.8rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  z-index: 2;
  animation: fadeIn 1s ease-out 2s both;
}
.scroll-mouse {
  width: 22px;
  height: 34px;
  border: 1.5px solid rgba(107,58,78,0.3);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 5px;
}
.scroll-wheel {
  width: 4px;
  height: 8px;
  background: rgba(201,168,76,0.65);
  border-radius: 2px;
  animation: wheelScroll 2.2s ease-in-out infinite;
}
@keyframes wheelScroll {
  0%,100% { transform: translateY(0); opacity: 1; }
  70%      { transform: translateY(10px); opacity: 0; }
}
.scroll-label {
  font-family: var(--font-sans);
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(61,36,52,0.35);
}

/* Hero entrance keyframes */
@keyframes fadeDown { from { opacity:0; transform: translateY(-22px); } to { opacity:1; transform: translateY(0); } }
@keyframes fadeUp   { from { opacity:0; transform: translateY(22px);  } to { opacity:1; transform: translateY(0); } }
@keyframes fadeIn   { from { opacity:0; } to { opacity:1; } }

/* ============================================================
   WAVE DIVIDER (utility — bg/fill set via inline styles)
   ============================================================ */
.wave-divider { margin-top: -1px; }
.wave-divider svg { width: 100%; height: auto; display: block; }

/* ============================================================
   SHARED SECTION UTILITIES
   ============================================================ */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.63rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--dusty-rose);
  text-align: center;
  margin-bottom: 0.45rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.1rem);
  font-weight: 300;
  color: var(--dark-text);
  text-align: center;
  margin-bottom: 0.9rem;
  letter-spacing: 0.02em;
}

.section-subtitle {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-style: italic;
  color: var(--mauve);
  text-align: center;
  max-width: 480px;
  margin: 0 auto 3rem;
  line-height: 1.95;
}

/* ============================================================
   COUNTDOWN
   ============================================================ */
.countdown-section {
  background: var(--ivory);
  padding: var(--section-py) 1.5rem;
  text-align: center;
}

.countdown-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
}

.countdown-box {
  width: clamp(72px, 18vw, 105px);
  height: clamp(72px, 18vw, 105px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border: 1px solid var(--gold-dim);
  position: relative;
  box-shadow: 0 4px 20px rgba(61,36,52,0.07), inset 0 1px 0 rgba(255,255,255,0.9);
}
.countdown-box::before,
.countdown-box::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  border-style: solid;
  border-color: rgba(201,168,76,0.4);
}
.countdown-box::before { top: 5px; left: 5px;     border-width: 1px 0 0 1px; }
.countdown-box::after  { bottom: 5px; right: 5px; border-width: 0 1px 1px 0; }

.countdown-num {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 5vw, 2.9rem);
  font-weight: 300;
  color: var(--dark-text);
  line-height: 1;
  transition: transform 0.15s ease;
}
.countdown-num.flip { animation: numFlip 0.3s ease; }
@keyframes numFlip {
  0%   { transform: scaleY(1); }
  50%  { transform: scaleY(0.5); opacity: 0.5; }
  100% { transform: scaleY(1); }
}

.countdown-label {
  font-family: var(--font-sans);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.countdown-colon {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: var(--gold);
  opacity: 0.6;
  margin-top: -1.6rem;
  animation: colonBlink 1s step-end infinite;
}
@keyframes colonBlink {
  0%,100% { opacity: 0.6; }
  50%      { opacity: 0.15; }
}

/* ============================================================
   DETAILS
   ============================================================ */
.details-section {
  background: var(--champagne);
  padding: var(--section-py) 1.5rem;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.detail-inner {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(201,168,76,0.28);
  padding: 2.5rem 1.8rem 2rem;
  text-align: center;
  position: relative;
  box-shadow: 0 4px 24px rgba(61,36,52,0.07), inset 0 1px 0 rgba(255,255,255,0.85);
  transition: transform 0.32s ease, box-shadow 0.32s ease;
}
.detail-inner:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 50px rgba(61,36,52,0.12), inset 0 1px 0 rgba(255,255,255,0.85);
}
.detail-inner::before,
.detail-inner::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border-style: solid;
  border-color: rgba(201,168,76,0.38);
  transition: border-color 0.3s;
}
.detail-inner::before { top: 8px; left: 8px;     border-width: 1px 0 0 1px; }
.detail-inner::after  { bottom: 8px; right: 8px; border-width: 0 1px 1px 0; }
.detail-inner:hover::before,
.detail-inner:hover::after { border-color: rgba(201,168,76,0.75); }

.detail-card-center .detail-inner {
  background: rgba(255,255,255,0.85);
  border-color: rgba(201,168,76,0.5);
}

.detail-icon-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.detail-label {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--dusty-rose);
  margin-bottom: 0.75rem;
}

.detail-value {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 400;
  color: var(--dark-text);
  margin-bottom: 0.4rem;
  line-height: 1.3;
}

.detail-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Google Maps butonu */
.maps-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.1rem;
  padding: 0.5rem 1.1rem;
  background: var(--dusty-rose);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 2px;
  transition: background 0.25s, transform 0.2s;
}
.maps-btn:hover {
  background: var(--rose);
  transform: translateY(-2px);
}
.maps-btn svg { flex-shrink: 0; }

/* ============================================================
   RSVP  —  Açık Pudra Arka Plan
   ============================================================ */
.rsvp-section {
  background: var(--blush-bg);
  padding: var(--section-py) 1.5rem;
  position: relative;
  overflow: hidden;
}

/* Hafif dekoratif orbs */
.rsvp-orbs { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.rsvp-orb  { position: absolute; border-radius: 50%; opacity: 0.3; }
.rsvp-orb-1 { width: 500px; height: 500px; background: radial-gradient(circle, rgba(242,196,188,0.8) 0%, transparent 70%); top: -180px; right: -100px; animation: orbDrift 22s ease-in-out infinite; }
.rsvp-orb-2 { width: 360px; height: 360px; background: radial-gradient(circle, rgba(201,168,76,0.4) 0%, transparent 70%); bottom: -100px; left: -50px; animation: orbDrift 18s ease-in-out infinite; animation-delay: -9s; }

/* Kart */
.rsvp-card {
  max-width: 540px;
  margin: 3rem auto 0;
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(201,168,76,0.25);
  padding: 3rem 2.5rem;
  position: relative;
  z-index: 1;
  box-shadow: 0 8px 40px rgba(61,36,52,0.1);
}
.rsvp-card::before,
.rsvp-card::after {
  content: '';
  position: absolute;
  width: 28px;
  height: 28px;
  border-style: solid;
  border-color: rgba(201,168,76,0.4);
}
.rsvp-card::before { top: 10px; left: 10px;     border-width: 1px 0 0 1px; }
.rsvp-card::after  { bottom: 10px; right: 10px; border-width: 0 1px 1px 0; }

/* Form fields — açık tema, koyu yazı */
.form-field { margin-bottom: 1.8rem; }

.field-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.63rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dusty-rose);
  margin-bottom: 0.6rem;
}

.field-input {
  width: 100%;
  padding: 0.88rem 1rem;
  background: rgba(255,255,255,0.85);
  border: 1px solid rgba(201,168,76,0.35);
  color: var(--dark-text);
  font-family: var(--font-serif);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
  -webkit-appearance: none;
  appearance: none;
}
.field-input::placeholder { color: rgba(61,36,52,0.28); }
.field-input:focus {
  border-color: var(--dusty-rose);
  box-shadow: 0 0 0 3px rgba(201,122,114,0.12);
}
.field-input.invalid { border-color: #C97272; }

.select-wrap { position: relative; }
.field-select {
  width: 100%;
  padding: 0.88rem 2.5rem 0.88rem 1rem;
  background: rgba(255,255,255,0.85);
  border: 1px solid rgba(201,168,76,0.35);
  color: var(--dark-text);
  font-family: var(--font-serif);
  font-size: 1rem;
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.field-select:focus {
  border-color: var(--dusty-rose);
  box-shadow: 0 0 0 3px rgba(201,122,114,0.12);
}
.field-select.invalid { border-color: #C97272; }

.select-chevron {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--dusty-rose);
  pointer-events: none;
}

.field-error {
  display: none;
  font-size: 0.73rem;
  color: #C97272;
  margin-top: 0.4rem;
}
.field-error.show { display: block; }

/* Attendance radio buttons */
.attendance-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  margin-top: 0.2rem;
}

.att-option { cursor: pointer; }
.att-radio  { position: absolute; opacity: 0; pointer-events: none; }

.att-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 1.15rem 0.5rem;
  border: 1px solid rgba(201,168,76,0.3);
  background: rgba(255,255,255,0.6);
  cursor: pointer;
  transition: border-color 0.25s, background 0.25s, transform 0.2s;
  user-select: none;
}
.att-btn:hover {
  border-color: rgba(201,122,114,0.5);
  background: rgba(255,255,255,0.85);
  transform: translateY(-2px);
}

.att-icon { font-size: 1.55rem; transition: transform 0.3s; }
.att-text {
  font-family: var(--font-sans);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mauve);
  transition: color 0.25s;
}

/* Checked states */
.att-radio:checked + .att-yes { background: rgba(201,168,76,0.12); border-color: var(--gold); }
.att-radio:checked + .att-yes .att-text { color: #8B6914; }
.att-radio:checked + .att-yes .att-icon { transform: scale(1.2); }

.att-radio:checked + .att-no  { background: rgba(201,122,114,0.1); border-color: var(--dusty-rose); }
.att-radio:checked + .att-no  .att-text { color: var(--dusty-rose); }
.att-radio:checked + .att-no  .att-icon { transform: scale(1.2); }

/* Submit button */
.submit-btn {
  width: 100%;
  padding: 1rem;
  margin-top: 0.5rem;
  background: var(--dusty-rose);
  border: none;
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  transition: background 0.3s, transform 0.2s, box-shadow 0.3s;
  box-shadow: 0 4px 16px rgba(201,122,114,0.3);
}
.submit-btn:hover:not(:disabled) {
  background: var(--rose);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(184,92,110,0.35);
}
.submit-btn:active   { transform: translateY(0); }
.submit-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* Loading dots */
.submit-loading { display: flex; gap: 6px; align-items: center; }
.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--white);
  border-radius: 50%;
  animation: dotPulse 1.3s ease-in-out infinite;
}
.dot:nth-child(2) { animation-delay: 0.2s; }
.dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes dotPulse {
  0%,80%,100% { transform: scale(0.6); opacity: 0.35; }
  40%          { transform: scale(1);   opacity: 1; }
}

/* Success state */
.success-state {
  text-align: center;
  padding: 2rem 0;
  animation: fadeUp 0.8s ease-out both;
}
.success-heart {
  display: block;
  font-size: 3.5rem;
  color: var(--dusty-rose);
  margin-bottom: 1rem;
  animation: heartbeat 1.8s ease-in-out infinite;
}
@keyframes heartbeat {
  0%,100% { transform: scale(1); }
  14%      { transform: scale(1.16); }
  28%      { transform: scale(1); }
  42%      { transform: scale(1.10); }
  56%      { transform: scale(1); }
}
.success-title {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  font-weight: 300;
  color: var(--dark-text);
  margin-bottom: 0.75rem;
}
.success-msg {
  font-size: 0.9rem;
  color: var(--mauve);
  line-height: 2;
  margin-bottom: 1.5rem;
}
.success-names {
  font-family: var(--font-script);
  font-size: 2.2rem;
  color: var(--dusty-rose);
}

/* Error state */
.error-state { text-align: center; padding: 1rem 0; }
.error-msg { color: #C97272; font-size: 0.88rem; margin-bottom: 1rem; }
.retry-btn {
  padding: 0.6rem 1.6rem;
  background: transparent;
  border: 1px solid rgba(201,122,114,0.5);
  color: var(--dusty-rose);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: background 0.25s;
}
.retry-btn:hover { background: rgba(201,122,114,0.08); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--footer-dark);
  padding: 3.5rem 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-star {
  font-size: 1.1rem;
  color: var(--gold);
  opacity: 0.6;
  animation: floatBob 4s ease-in-out infinite;
}
@keyframes floatBob {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

.footer-names {
  font-family: var(--font-script);
  font-size: 2.6rem;
  color: var(--ivory);
  opacity: 0.85;
}

.footer-divider svg { width: 200px; height: auto; }

.footer-note {
  font-size: 0.72rem;
  color: rgba(250,246,240,0.32);
  letter-spacing: 0.1em;
}

/* ============================================================
   RESPONSIVE — TABLET
   ============================================================ */
@media (max-width: 900px) {
  .details-grid { grid-template-columns: 1fr 1fr; }
  .detail-card:last-child {
    grid-column: 1 / -1;
    max-width: 420px;
    margin: 0 auto;
    width: 100%;
  }
}

/* ============================================================
   RESPONSIVE — MOBILE
   ============================================================ */
@media (max-width: 640px) {
  :root { --section-py: 4rem; }

  .couple-names   { flex-direction: column; gap: 0.2rem; }
  .amp-wrapper    { margin: -0.4rem 0; }

  .countdown-wrapper { gap: 0.5rem; }
  .countdown-box  { width: 68px; height: 68px; }
  .countdown-num  { font-size: 1.7rem; }
  .countdown-colon{ font-size: 1.6rem; margin-top: -1.2rem; }

  .details-grid {
    grid-template-columns: 1fr;
    max-width: 380px;
    margin-left: auto;
    margin-right: auto;
  }
  .detail-card:last-child { grid-column: auto; max-width: 100%; margin: 0; }

  .rsvp-card { padding: 2rem 1.25rem; }
  .attendance-options { grid-template-columns: 1fr; }
}

@media (max-width: 380px) {
  .countdown-box { width: 58px; height: 58px; }
  .countdown-num { font-size: 1.4rem; }
  .countdown-colon { font-size: 1.2rem; }
}