/* ============================================================
   rsvp.css — RSVP form page styles
   Wedding website: Rocío & Emilio · 12.09.2026
   rocioyemilio.es
   ============================================================ */

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

/* ============================================================
   DESIGN TOKENS — CSS Custom Properties
   ============================================================ */
:root {
  --cream:       #faf8f3;
  --cream-warm:  #f2e9d8;
  --cream-mid:   #ede4d3;
  --gold:        #c9a668;
  --gold-light:  #dfc08a;
  --gold-dark:   #a8864a;
  --sage:        #8a9e7a;
  --sage-dark:   #5f7a52;
  --rose:        #c0897a;
  --rose-light:  #d4a898;
  --sepia:       #4a3b2e;
  --sepia-light: #7a6a58;
  --divider:     #d8cfc0;
}

/* ============================================================
   BASE STYLES
   ============================================================ */
html { scroll-behavior: smooth; }

body {
  background: var(--cream);
  color: var(--sepia);
  font-family: 'Cormorant Garamond', serif;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ============================================================
   PAGE HEADER
   ============================================================ */
.rsvp-header {
  background: linear-gradient(175deg, #f5ede0 0%, #faf8f3 55%, #f0e8d6 100%);
  text-align: center;
  padding: 2rem 2rem 1.6rem;
  position: relative;
  overflow: hidden;
}

.back-link {
  position: absolute;
  top: 1rem;
  left: 1.2rem;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 300;
  font-size: .62rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--sepia-light);
  text-decoration: none;
  opacity: .7;
  transition: opacity .2s, color .2s;
}
.back-link:hover { opacity: 1; color: var(--rose); }
.back-link svg { width: 14px; height: 14px; }

.header-logo {
  width: clamp(44px, 7vw, 58px);
  mix-blend-mode: multiply;
  display: block;
  margin: 0 auto 1rem;
  animation: shimmerGlow 4s ease-in-out 2s infinite;
}

.header-divider {
  width: 36px; height: 1px;
  margin: .8rem auto .75rem;
  background: linear-gradient(90deg, var(--gold-dark) 0%, var(--gold-light) 50%, var(--gold-dark) 100%);
}

.header-subtitle {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 500;
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  color: var(--sepia);
  letter-spacing: .04em;
}

/* ============================================================
   PROGRESS BAR
   ============================================================ */
.progress-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  background: var(--cream);
  padding: .7rem 2rem .2rem;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .35rem;
  position: relative;
}

.progress-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 10px;
  left: calc(50% + 10px);
  width: calc(100% - 20px);
  height: 1px;
  background: var(--divider);
  transition: background .4s;
}

.progress-step.done:not(:last-child)::after {
  background: var(--gold);
}

.progress-dot {
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 1.5px solid var(--divider);
  background: var(--cream);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Montserrat', sans-serif;
  font-size: .55rem;
  font-weight: 400;
  color: var(--sepia-light);
  transition: all .4s;
  position: relative;
  z-index: 1;
}

.progress-step.active .progress-dot {
  border-color: var(--gold);
  background: var(--gold);
  color: var(--cream);
}

.progress-step.done .progress-dot {
  border-color: var(--gold);
  background: var(--gold);
  color: var(--cream);
}

.progress-label {
  font-family: 'Montserrat', sans-serif;
  font-size: .52rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--sepia-light);
  opacity: .55;
  transition: opacity .3s;
  white-space: nowrap;
}

.progress-step.active .progress-label,
.progress-step.done .progress-label {
  opacity: 1;
  color: var(--sepia);
}

/* ============================================================
   FORM CONTAINER
   ============================================================ */
.form-outer {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: .3rem 1rem 3rem;
}

.form-card {
  width: 100%;
  max-width: 560px;
  background: #fff;
  border: 1px solid var(--divider);
  padding: 2rem 2rem;
  box-shadow: 0 8px 40px rgba(74,59,46,.07);
  position: relative;
}

@media (max-width: 480px) {
  .form-outer { padding: .25rem .9rem 2.5rem; }
  .form-card  { padding: 1.6rem 1.2rem; }
}

/* ── Form steps ── */
.step {
  display: none;
  animation: stepFade .4s ease both;
}
.step.active { display: block; }

@keyframes stepFade {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Step header ── */
.step-title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 500;
  font-size: clamp(1.4rem, 4vw, 1.8rem);
  color: var(--sepia);
  margin-bottom: .3rem;
}

.step-subtitle {
  font-family: 'Montserrat', sans-serif;
  font-weight: 300;
  font-size: .67rem;
  letter-spacing: .08em;
  color: var(--sepia-light);
  margin-bottom: 1.2rem;
  opacity: .8;
}

.step-divider {
  width: 32px; height: 1px;
  background: var(--gold);
  margin-bottom: 1.2rem;
}

/* ── Form fields ── */
.field {
  margin-bottom: 1.1rem;
}

label {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 400;
  font-size: .62rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--sepia-light);
  margin-bottom: .45rem;
}

input[type="text"],
input[type="tel"],
textarea,
select {
  width: 100%;
  background: var(--cream);
  border: 1px solid var(--divider);
  border-radius: 0;
  padding: .75rem .9rem;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  color: var(--sepia);
  outline: none;
  transition: border-color .25s;
  appearance: none;
  -webkit-appearance: none;
}

input[type="text"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus {
  border-color: var(--gold);
}

input[type="text"].error,
input[type="tel"].error {
  border-color: var(--rose);
  border-width: 2px;
}

textarea {
  min-height: 90px;
  resize: vertical;
  line-height: 1.5;
}

.select-wrap {
  position: relative;
}

.select-wrap::after {
  content: '';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 8px; height: 8px;
  border-right: 1.5px solid var(--gold);
  border-bottom: 1.5px solid var(--gold);
  transform: translateY(-65%) rotate(45deg);
  pointer-events: none;
}

/* ── Radio groups ── */
.radio-group {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: .75rem;
  cursor: pointer;
  padding: .65rem .9rem;
  border: 1px solid var(--divider);
  background: var(--cream);
  transition: border-color .25s, background .25s;
}

.radio-option:hover { border-color: var(--gold-light); }

.radio-option input[type="radio"] {
  display: none;
}

.radio-custom {
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 1.5px solid var(--divider);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color .25s;
}

.radio-custom::after {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0;
  transition: opacity .2s;
}

.radio-option input[type="radio"]:checked ~ .radio-custom {
  border-color: var(--gold);
}

.radio-option input[type="radio"]:checked ~ .radio-custom::after {
  opacity: 1;
}

.radio-option:has(input[type="radio"]:checked) {
  border-color: var(--gold);
  background: rgba(201,166,104,.06);
}

.radio-text {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.05rem;
  color: var(--sepia);
}

.radio-text small {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 300;
  font-size: .6rem;
  color: var(--sepia-light);
  margin-top: .1rem;
  letter-spacing: .05em;
}

/* ── Validation error message ── */
.field-error {
  font-family: 'Montserrat', sans-serif;
  font-size: .72rem;
  font-weight: 600;
  color: var(--rose);
  letter-spacing: .05em;
  margin-top: .4rem;
  display: none;
}
.field-error.show { display: block; }

/* ── Conditional fields ── */
.conditional {
  display: none;
  margin-top: 1.2rem;
}
.conditional.show { display: block; }

/* ── Buttons ── */
.btn-row {
  display: flex;
  gap: 1rem;
  margin-top: 1.6rem;
  align-items: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .9rem 2rem;
  border: 1px solid var(--gold);
  background: transparent;
  color: var(--sepia);
  font-family: 'Montserrat', sans-serif;
  font-weight: 300;
  font-size: .68rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: color .35s;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: translateX(-100%);
  transition: transform .35s cubic-bezier(.77,0,.175,1);
  z-index: 0;
}

.btn-primary:hover::before { transform: translateX(0); }
.btn-primary:hover { color: var(--cream); }
.btn-primary:disabled { opacity: 1; cursor: not-allowed; background: var(--gold); color: var(--cream); }
.btn-primary:disabled::before { display: none; }

.btn-primary span { position: relative; z-index: 1; }
.btn-arrow { transition: transform .3s; position: relative; z-index: 1; }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }

.btn-back {
  background: none;
  border: none;
  font-family: 'Montserrat', sans-serif;
  font-weight: 300;
  font-size: .62rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--sepia-light);
  cursor: pointer;
  opacity: .6;
  transition: opacity .2s;
  padding: .5rem;
}
.btn-back:hover { opacity: 1; }

/* ── Loading spinner ── */
.spinner {
  width: 18px; height: 18px;
  border: 2.5px solid rgba(255,255,255,.25);
  border-top-color: #fff;
  border-right-color: rgba(255,255,255,.7);
  border-radius: 50%;
  animation: spin .65s linear infinite;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Italic note block ── */
.step-note {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: .95rem;
  color: var(--sepia-light);
  margin-top: 1rem;
  line-height: 1.6;
  padding-left: .8rem;
  border-left: 2px solid var(--gold-light);
}

/* ============================================================
   COMPANION SECTION (Step 1) — Add / remove companions
   ============================================================ */
.companion-section {
  margin-top: 1.8rem;
}

.companion-row {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  margin-bottom: .75rem;
}

.companion-label {
  font-family: 'Montserrat', sans-serif;
  font-size: .58rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--sepia-light);
  opacity: .75;
}

.companion-input-wrap {
  display: flex;
  gap: .5rem;
  align-items: stretch;
}

.companion-input-wrap input[type="text"] {
  flex: 1;
  min-width: 0;
}

.btn-add-companion {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  width: 100%;
  padding: .65rem 1rem;
  border: 1px dashed var(--gold-light);
  background: transparent;
  color: var(--sepia-light);
  font-family: 'Montserrat', sans-serif;
  font-weight: 300;
  font-size: .62rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color .25s, color .25s, background .25s;
  margin-top: .3rem;
}

.btn-add-companion:hover {
  border-color: var(--gold);
  color: var(--sepia);
  background: rgba(201,166,104,.06);
}

.btn-remove-companion {
  flex-shrink: 0;
  width: 38px;
  border: 1px solid var(--divider);
  background: var(--cream);
  color: var(--sepia-light);
  font-family: 'Montserrat', sans-serif;
  font-size: .75rem;
  cursor: pointer;
  transition: border-color .25s, color .25s, background .25s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-remove-companion:hover {
  border-color: var(--rose);
  color: var(--rose);
  background: rgba(192,137,122,.06);
}

.companion-note {
  font-family: 'Montserrat', sans-serif;
  font-weight: 300;
  font-size: .6rem;
  letter-spacing: .08em;
  color: var(--sepia-light);
  opacity: .6;
  margin-top: .6rem;
  text-align: center;
}

/* ============================================================
   PERSON MENU CARDS (Step 3) — One card per attendee
   ============================================================ */
.person-menu-card {
  border: 1px solid var(--divider);
  padding: 1.2rem;
  margin-bottom: 1.2rem;
  background: var(--cream);
}

.person-menu-card:last-child {
  margin-bottom: 0;
}

.person-menu-header {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  padding-bottom: .8rem;
  margin-bottom: .2rem;
  border-bottom: 1px solid var(--divider);
}

.person-menu-label {
  font-family: 'Montserrat', sans-serif;
  font-size: .55rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold-dark);
  flex-shrink: 0;
}

.person-menu-name {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--sepia);
}

/* ============================================================
   SUCCESS SCREEN
   ============================================================ */
.success-screen {
  display: none;
  text-align: center;
  padding: 1rem 0;
  animation: stepFade .6s ease both;
}

.success-screen.show { display: block; }

.success-icon {
  width: 64px; height: 64px;
  border: 1.5px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.8rem;
  animation: popIn .5s cubic-bezier(.175,.885,.32,1.275) .2s both;
}

.success-icon svg { width: 28px; height: 28px; color: var(--gold); }

@keyframes popIn {
  from { transform: scale(.5); opacity: 0; }
  to   { transform: scale(1);  opacity: 1; }
}

.success-title {
  font-family: 'Great Vibes', cursive;
  font-size: clamp(2.2rem, 7vw, 3.2rem);
  color: var(--rose);
  margin-bottom: .6rem;
}

.success-divider {
  width: 36px; height: 1px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold-light), var(--gold-dark));
  margin: 1rem auto;
}

.success-msg {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--sepia-light);
  line-height: 1.7;
  max-width: 380px;
  margin: 0 auto 1.2rem;
}

.success-msg-no {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  color: var(--sepia-light);
  line-height: 1.7;
  max-width: 380px;
  margin: 0 auto 1.2rem;
}

.success-back {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: 1.6rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 300;
  font-size: .63rem;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--sepia-light);
  text-decoration: none;
  opacity: .65;
  transition: opacity .2s, color .2s;
}
.success-back:hover { opacity: 1; color: var(--rose); }

/* ============================================================
   FOOTER
   ============================================================ */
#closing {
  background: var(--sepia);
  padding: 2.8rem 2rem;
  text-align: center;
  margin-top: auto;
}

.closing-logo {
  width: clamp(40px, 5vw, 58px);
  opacity: .75;
  mix-blend-mode: screen;
  display: block;
  margin: 0 auto 1.2rem;
}

.closing-names {
  font-family: 'Great Vibes', cursive;
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  color: var(--cream-warm);
  line-height: 1;
}

.closing-date {
  font-family: 'Montserrat', sans-serif; font-weight: 200;
  font-size: clamp(.6rem, 1.6vw, .75rem);
  letter-spacing: .55em; text-transform: uppercase;
  color: var(--cream-warm); margin-top: .8rem; opacity: .45;
}

.closing-tagline {
  font-family: 'Cormorant Garamond', serif; font-style: italic;
  font-size: clamp(.9rem, 2vw, 1rem);
  color: var(--cream-warm);
  margin-top: .6rem; opacity: .4;
}

.footer-contact {
  display: flex;
  justify-content: center;
  gap: clamp(2rem, 8vw, 6rem);
  margin-top: 2rem;
  padding-top: 1.6rem;
  border-top: 1px solid rgba(255,255,255,.08);
}

.footer-person {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .55rem;
}

.footer-person-name {
  font-family: 'Montserrat', sans-serif; font-weight: 400;
  font-size: .6rem; letter-spacing: .25em; text-transform: uppercase;
  color: var(--cream-warm); opacity: .5;
  margin-bottom: .1rem;
}

.footer-links {
  display: flex;
  gap: 1.1rem;
  align-items: center;
}

@media (max-width: 525px) {
  .footer-links { flex-direction: column; gap: .45rem; align-items: flex-start; }
}

.footer-link {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-family: 'Montserrat', sans-serif; font-weight: 300;
  font-size: .65rem; letter-spacing: .04em;
  color: var(--cream-warm); opacity: .55;
  text-decoration: none;
  transition: opacity .2s;
}

.footer-link:hover { opacity: .9; }
.footer-link svg { width: 13px; height: 13px; flex-shrink: 0; }

/* ============================================================
   TOUCH DEVICES — replace hover effects with :active states
   ============================================================ */
@media (hover: none) {
  .btn-primary::before { display: none; }
  .btn-primary:hover   { color: var(--sepia); }
  .btn-primary:hover .btn-arrow { transform: none; }
  .btn-primary:active  { background: var(--gold); color: var(--cream); }

  .back-link:hover  { opacity: .7; color: var(--sepia-light); }
  .back-link:active { opacity: 1;  color: var(--rose); }

  .radio-option:hover { border-color: var(--divider); }
}

/* ============================================================
   KEYFRAME ANIMATIONS
   ============================================================ */
@keyframes shimmerGlow {
  0%,100% { filter: brightness(1)   drop-shadow(0 0 0px transparent); }
  50%      { filter: brightness(1.1) drop-shadow(0 0 8px rgba(201,166,104,.4)); }
}