/* ===================================================
   The Autumn Design Gala — Invitation Site
   CSS Design System & Styles
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Inter:wght@300;400;500;600&display=swap');

/* ----- Custom Properties ----- */
:root {
  /* Core palette — deep forest green + warm gold */
  --clr-bg: #faf9f6;
  --clr-bg-rgb: 250, 249, 246;
  --clr-fg: #1a2e22;
  --clr-fg-rgb: 26, 46, 34;
  --clr-primary: #2d4a37;
  --clr-primary-rgb: 45, 74, 55;
  --clr-accent: #c19a4e;
  --clr-accent-rgb: 193, 154, 78;
  --clr-muted: #7a8f80;
  --clr-border: #d6d3cc;
  --clr-input: #b8b5ae;
  --clr-card: #f3f1ed;

  /* Typography */
  --ff-serif: 'Instrument Serif', Georgia, serif;
  --ff-sans: 'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --section-py: clamp(5rem, 8vw, 8rem);
  --section-px: clamp(1.25rem, 4vw, 3rem);
  --max-w: 72rem;
  --max-w-narrow: 42rem;

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 0.3s var(--ease-out-expo);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--ff-sans);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--clr-fg);
  background: var(--clr-bg);
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input {
  font-family: inherit;
  border: none;
  outline: none;
  background: transparent;
}

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--ff-serif);
  font-weight: 400;
  line-height: 1.1;
}

/* ----- Utility ----- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ----- Scroll reveal animation classes ----- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }
.delay-7 { transition-delay: 0.7s; }

/* ===================================================
   FLOATING NAV
   =================================================== */
.floating-nav {
  position: fixed;
  top: 1.25rem;
  left: 50%;
  transform: translateX(-50%) translateY(-120%);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.75rem;
  background: rgba(var(--clr-bg-rgb), 0.75);
  backdrop-filter: blur(16px) saturate(1.6);
  -webkit-backdrop-filter: blur(16px) saturate(1.6);
  border: 1px solid rgba(var(--clr-fg-rgb), 0.08);
  border-radius: 100px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  transition: transform 0.5s var(--ease-out-expo), opacity 0.5s var(--ease-out-expo);
  opacity: 0;
}

.floating-nav.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.floating-nav a {
  padding: 0.4rem 0.9rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-muted);
  border-radius: 100px;
  transition: color var(--transition-base), background var(--transition-base);
  white-space: nowrap;
}

.floating-nav a:hover,
.floating-nav a.active {
  color: var(--clr-fg);
  background: rgba(var(--clr-fg-rgb), 0.06);
}

/* ===================================================
   HERO SECTION
   =================================================== */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 600px;
  padding: 6rem var(--section-px);
  text-align: center;
  overflow: hidden;
}

/* Background image wrapper */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  transform: scale(1.15);
  animation: heroZoom 2.2s var(--ease-out-expo) forwards;
}

@keyframes heroZoom {
  to { transform: scale(1); }
}

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

.hero__bg-overlay {
  position: absolute;
  inset: 0;
  background: rgba(var(--clr-bg-rgb), 0.75);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

/* Hero content */
.hero__content {
  position: relative;
  z-index: 2;
}

/* Decorative line */
.hero__line {
  width: 1px;
  height: 0;
  margin: 0 auto 2rem;
  background: var(--clr-muted);
  opacity: 0.4;
  animation: heroLine 1s var(--ease-out-expo) 0.3s forwards;
}

@keyframes heroLine {
  to { height: 48px; }
}

/* Invitation label */
.hero__label {
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--clr-fg);
  font-weight: 500;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.9s var(--ease-out-expo) 0.5s forwards;
  margin-bottom: 1.5rem;
}

/* Title reveal */
.hero__title-wrap {
  overflow: hidden;
  margin-bottom: 0.2em;
  padding-bottom: 0.1em;
}

.hero__title {
  font-family: var(--ff-serif);
  font-size: clamp(3rem, 8vw, 7rem);
  line-height: 1.05;
  color: var(--clr-fg);
  transform: translateY(110%);
}

.hero__title--line1 {
  animation: slideUp 1s var(--ease-out-expo) 0.7s forwards;
}

.hero__title--line2 {
  animation: slideUp 1s var(--ease-out-expo) 0.85s forwards;
}

@keyframes slideUp {
  to { transform: translateY(0); }
}

/* Date subtitle */
.hero__date {
  margin-top: 2rem;
  font-size: 0.9rem;
  color: var(--clr-fg);
  font-weight: 500;
  letter-spacing: 0.05em;
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.8s var(--ease-out-expo) 1.2s forwards;
}

/* Countdown */
.hero__countdown {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.8s var(--ease-out-expo) 1.35s forwards;
}

.countdown__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 60px;
}

.countdown__number {
  font-family: var(--ff-serif);
  font-size: 2rem;
  line-height: 1;
  color: var(--clr-fg);
}

.countdown__label {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-fg);
  font-weight: 500;
  margin-top: 0.3rem;
}

/* CTA Button */
.hero__cta {
  margin-top: 2.5rem;
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.8s var(--ease-out-expo) 1.5s forwards;
}

/* Main CTA button style */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-bg);
  background: var(--clr-primary);
  border-radius: 100px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--clr-accent), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 32px rgba(var(--clr-primary-rgb), 0.3);
}

.btn-primary:hover::before {
  opacity: 0.3;
}

.btn-primary:active {
  transform: scale(0.97);
}

.btn-primary span {
  position: relative;
  z-index: 1;
}



@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-8px); }
  60% { transform: translateY(-4px); }
}

/* Floating particles */
.hero__particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--clr-accent);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat linear infinite;
}

@keyframes particleFloat {
  0% {
    opacity: 0;
    transform: translateY(100vh) rotate(0deg);
  }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% {
    opacity: 0;
    transform: translateY(-100px) rotate(720deg);
  }
}

/* Generic fade animations */
@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  to { opacity: 1; }
}

/* ===================================================
   SECTION COMMON
   =================================================== */
.section {
  padding: var(--section-py) var(--section-px);
}

.section__container {
  max-width: var(--max-w);
  margin: 0 auto;
}

.section__label {
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--clr-muted);
  margin-bottom: 1rem;
}

.section__title {
  font-family: var(--ff-serif);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  color: var(--clr-fg);
  margin-bottom: 1.5rem;
}

/* ===================================================
   ABOUT SECTION
   =================================================== */
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 768px) {
  .about__grid {
    grid-template-columns: 5fr 7fr;
    gap: 4rem;
  }
}

.about__image-wrap {
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 8px 30px -12px rgba(var(--clr-fg-rgb), 0.12);
}

.about__image-wrap img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out-expo);
}

.about__image-wrap:hover img {
  transform: scale(1.05);
}

.about__badge {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--clr-accent);
  background: rgba(var(--clr-accent-rgb), 0.12);
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.about__title {
  font-family: var(--ff-serif);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--clr-fg);
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.about__text {
  color: var(--clr-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
  max-width: 36rem;
}

.about__text strong,
.about__text span {
  color: var(--clr-fg);
  font-weight: 500;
}

/* ===================================================
   TIMELINE SECTION
   =================================================== */
.timeline {
  position: relative;
}

.timeline__track {
  position: absolute;
  left: 72px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--clr-border);
  transform-origin: top;
  transform: scaleY(0);
  transition: transform 1.2s var(--ease-out-expo);
}

.timeline__track.visible {
  transform: scaleY(1);
}

.timeline__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.timeline__item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.timeline__time {
  flex-shrink: 0;
  width: 48px;
  text-align: right;
  font-size: 0.9rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--clr-accent);
}

.timeline__dot-wrap {
  position: relative;
}

.timeline__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--clr-primary);
  margin-top: 0.35rem;
  transform: scale(0);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.timeline__item.visible .timeline__dot {
  transform: scale(1);
}

.timeline__info h3 {
  font-family: var(--ff-sans);
  font-size: 1rem;
  font-weight: 500;
  color: var(--clr-fg);
  margin-bottom: 0.25rem;
}

.timeline__info p {
  font-size: 0.9rem;
  color: var(--clr-muted);
}

@media (min-width: 640px) {
  .timeline__track { left: 88px; }
  .timeline__time { width: 64px; }
  .timeline__item { gap: 2.5rem; }
}

/* ===================================================
   LOCATION SECTION
   =================================================== */
.location__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 768px) {
  .location__grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

.location__info h3 {
  font-family: var(--ff-sans);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--clr-fg);
  margin-bottom: 0.75rem;
}

.location__info p {
  color: var(--clr-muted);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.location__info .small {
  font-size: 0.85rem;
}

.location__map-wrap {
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 8px 30px -12px rgba(var(--clr-fg-rgb), 0.15);
}

.location__map-wrap iframe {
  display: block;
  width: 100%;
  height: 300px;
  border: 0;
  filter: grayscale(1) contrast(1.1);
  transition: filter 0.5s ease;
}

.location__map-wrap:hover iframe {
  filter: grayscale(0) contrast(1);
}

/* ===================================================
   GALLERY SECTION
   =================================================== */
.gallery__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .gallery__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .gallery__grid { grid-template-columns: repeat(3, 1fr); }
}

.gallery__item {
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
  aspect-ratio: 3 / 2;
  cursor: pointer;
  transition: transform 0.5s var(--ease-out-expo);
}

.gallery__item:hover {
  transform: translateY(-6px);
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out-expo);
}

.gallery__item:hover img {
  transform: scale(1.1);
}

.gallery__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
  background: rgba(var(--clr-fg-rgb), 0);
  transition: background 0.3s ease;
}

.gallery__item:hover .gallery__overlay {
  background: rgba(var(--clr-fg-rgb), 0.4);
}

.gallery__caption {
  color: var(--clr-bg);
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.gallery__item:hover .gallery__caption {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================================
   RSVP SECTION
   =================================================== */
.rsvp {
  text-align: center;
}

.rsvp__container {
  max-width: var(--max-w-narrow);
  margin: 0 auto;
}

.rsvp__form {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 3rem;
}

/* Floating label input group */
.input-group {
  position: relative;
}

.input-group input {
  width: 100%;
  padding: 0.85rem 0;
  font-size: 1rem;
  color: var(--clr-fg);
  border-bottom: 1px solid var(--clr-input);
  transition: border-color 0.3s ease;
}

.input-group input:focus {
  border-color: var(--clr-primary);
}

.input-group label {
  position: absolute;
  left: 0;
  top: 0.85rem;
  font-size: 0.9rem;
  color: var(--clr-muted);
  pointer-events: none;
  transition: all 0.3s var(--ease-out-expo);
}

.input-group input:focus ~ label,
.input-group input:not(:placeholder-shown) ~ label {
  top: -0.75rem;
  font-size: 0.7rem;
  color: var(--clr-primary);
}

/* Underline animation */
.input-group .input-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--clr-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out-expo);
}

.input-group input:focus ~ .input-line {
  transform: scaleX(1);
}

/* RSVP Submit area */
.rsvp__submit {
  text-align: center;
  padding-top: 1rem;
}

/* RSVP Success state */
.rsvp__success {
  padding: 3rem 0;
  text-align: center;
  display: none;
}

.rsvp__success.active {
  display: block;
  animation: fadeScaleIn 0.7s var(--ease-out-expo);
}

@keyframes fadeScaleIn {
  from {
    opacity: 0;
    transform: scale(0.85);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.rsvp__success-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  background: rgba(var(--clr-primary-rgb), 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: iconPop 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s both;
}

@keyframes iconPop {
  from {
    transform: scale(0) rotate(-180deg);
  }
  to {
    transform: scale(1) rotate(0deg);
  }
}

.rsvp__success-icon svg {
  color: var(--clr-primary);
}

/* Checkmark draw animation */
.rsvp__success-icon .check-path {
  stroke-dasharray: 24;
  stroke-dashoffset: 24;
  animation: drawCheck 0.5s ease 0.7s forwards;
}

@keyframes drawCheck {
  to { stroke-dashoffset: 0; }
}

.rsvp__success h2 {
  font-family: var(--ff-serif);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--clr-fg);
  opacity: 0;
  animation: fadeUp 0.6s var(--ease-out-expo) 0.8s forwards;
}

.rsvp__success p {
  color: var(--clr-muted);
  margin-top: 0.75rem;
  opacity: 0;
  animation: fadeUp 0.6s var(--ease-out-expo) 1s forwards;
}

/* ===================================================
   FOOTER
   =================================================== */
.footer {
  padding: 3rem var(--section-px);
  border-top: 1px solid var(--clr-border);
}

.footer__container {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  text-align: center;
}

@media (min-width: 640px) {
  .footer__container {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer__brand p:first-child {
  font-family: var(--ff-serif);
  font-size: 1.1rem;
  color: var(--clr-fg);
}

.footer__brand p:last-child {
  font-size: 0.85rem;
  color: var(--clr-muted);
  margin-top: 0.25rem;
}

.footer__right {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .footer__right {
    flex-direction: row;
    gap: 2rem;
    align-items: flex-start;
  }
}

.footer__contacts {
  text-align: center;
}

@media (min-width: 640px) {
  .footer__contacts { text-align: right; }
}

.footer__contacts .label {
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--clr-muted);
  margin-bottom: 0.25rem;
}

.footer__contacts p {
  font-size: 0.9rem;
  color: var(--clr-muted);
}

.footer__socials {
  display: flex;
  gap: 1rem;
}

.footer__socials a {
  color: var(--clr-muted);
  transition: color var(--transition-base), transform var(--transition-base);
}

.footer__socials a:hover {
  color: var(--clr-fg);
  transform: scale(1.2) rotate(5deg);
}

.footer__socials a:active {
  transform: scale(0.9);
}

/* ===================================================
   CURSOR GLOW (desktop only)
   =================================================== */
.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--clr-accent-rgb), 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  opacity: 0;
}

.cursor-glow.active { opacity: 1; }

@media (pointer: coarse) {
  .cursor-glow { display: none; }
}

/* ===================================================
   RESPONSIVE ADJUSTMENTS
   =================================================== */
@media (max-width: 640px) {
  .floating-nav {
    padding: 0.4rem 0.5rem;
    gap: 0;
  }

  .floating-nav a {
    padding: 0.35rem 0.6rem;
    font-size: 0.65rem;
  }

  .hero__countdown {
    gap: 1rem;
  }

  .countdown__number {
    font-size: 1.5rem;
  }

  .countdown__label {
    font-size: 0.55rem;
  }

  .about__grid {
    gap: 2rem;
  }

  .timeline__list {
    gap: 2rem;
  }

  .rsvp__form {
    gap: 1.5rem;
  }
}

/* Divider between sections */
.section-divider {
  width: 60px;
  height: 1px;
  background: var(--clr-border);
  margin: 0 auto;
}