/* =========================================================
   Untuk Bunga Matahari-ku 🌻 — Birthday site stylesheet
   Palette:
     --sun-core:    #E8A317  (inti bunga matahari)
     --sun-petal:   #F7C331  (kelopak bunga matahari)
     --sun-petal-2: #FFDE7A  (kelopak terang)
     --straw-red:   #E6435A  (stroberi)
     --straw-leaf:  #6E8B3D  (daun / hijau)
     --cream:       #FFF8E9  (latar krem)
     --cocoa:       #4A2E1D  (teks gelap)
   ========================================================= */

:root {
  --sun-core: #e8a317;
  --sun-petal: #f7c331;
  --sun-petal-2: #ffde7a;
  --straw-red: #e6435a;
  --straw-red-dark: #c22c44;
  --straw-leaf: #6e8b3d;
  --straw-leaf-dark: #4f6b28;
  --cream: #fff8e9;
  --cream-2: #fff1d1;
  --cocoa: #4a2e1d;
  --cocoa-soft: #7a5738;

  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "Quicksand", "Poppins", sans-serif;
  --font-script: "Caveat", cursive;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--cocoa);
  overflow-x: hidden;
  position: relative;
}

/* subtle woven-linen texture using layered radial dots */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(232, 163, 23, 0.05) 0, transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(230, 67, 90, 0.05) 0, transparent 45%);
}

::selection {
  background: var(--straw-red);
  color: var(--cream);
}

/* scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--cream-2); }
::-webkit-scrollbar-thumb {
  background: var(--sun-core);
  border-radius: 10px;
}

/* =========================================================
   Falling petals & strawberry seeds canvas layer
   ========================================================= */
#petal-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 5;
}

/* =========================================================
   Intro / Gate screen
   ========================================================= */
#gate {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 28px;
  background:
    radial-gradient(circle at 50% 20%, var(--sun-petal-2) 0%, var(--sun-petal) 45%, var(--sun-core) 100%);
  transition: transform 1.1s cubic-bezier(.65,0,.35,1), opacity 1s ease;
}

#gate.opened {
  transform: translateY(-100%);
  opacity: 0.4;
  pointer-events: none;
}

.gate-sun {
  width: 150px;
  height: 150px;
  position: relative;
  animation: sway 4s ease-in-out infinite;
}

@keyframes sway {
  0%, 100% { transform: rotate(-4deg); }
  50% { transform: rotate(4deg); }
}

.gate-title {
  font-family: var(--font-script);
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  color: var(--cocoa);
  text-align: center;
  text-shadow: 0 2px 0 rgba(255,255,255,0.35);
}

.gate-sub {
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--cocoa-soft);
}

.gate-btn {
  border: 2px solid var(--cocoa);
  background: var(--cream);
  color: var(--cocoa);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 38px;
  border-radius: 999px;
  cursor: pointer;
  letter-spacing: 0.03em;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
  box-shadow: 0 6px 0 rgba(74,46,29,0.25);
}

.gate-btn:hover {
  transform: translateY(-3px);
  background: var(--straw-red);
  color: var(--cream);
  border-color: var(--straw-red-dark);
}

.gate-btn:active {
  transform: translateY(1px);
  box-shadow: 0 2px 0 rgba(74,46,29,0.25);
}

/* =========================================================
   Layout wrapper
   ========================================================= */
main {
  position: relative;
  z-index: 1;
}

section {
  position: relative;
  padding: 120px 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--straw-red);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--straw-red);
  display: inline-block;
}

/* =========================================================
   HERO
   ========================================================= */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 90px;
  padding-bottom: 60px;
}

.hero-field {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40%;
  background: linear-gradient(to top, rgba(110,139,61,0.18), transparent);
  z-index: -1;
}

.hero-sunflower {
  width: min(260px, 46vw);
  height: min(260px, 46vw);
  margin-bottom: 12px;
  filter: drop-shadow(0 18px 30px rgba(232,163,23,0.35));
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--cocoa-soft);
  margin-bottom: 6px;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.6rem, 8vw, 5rem);
  line-height: 1.02;
  color: var(--cocoa);
}

.hero-title em {
  font-style: italic;
  color: var(--straw-red);
}

.hero-name {
  font-family: var(--font-script);
  font-size: clamp(3rem, 10vw, 5.5rem);
  color: var(--straw-red);
  margin-top: 4px;
  line-height: 1;
}

.hero-date {
  margin-top: 22px;
  font-size: 1rem;
  color: var(--cocoa-soft);
  letter-spacing: 0.04em;
}

.hero-date strong {
  color: var(--cocoa);
}

.scroll-hint {
  margin-top: 60px;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cocoa-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: bob 2.2s ease-in-out infinite;
}

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* =========================================================
   COUNTDOWN
   ========================================================= */
#countdown {
  text-align: center;
}

.countdown-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
  margin-bottom: 46px;
}

.countdown-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  max-width: 620px;
  margin: 0 auto;
}

.countdown-cell {
  background: var(--cream-2);
  border: 2px solid rgba(74,46,29,0.08);
  border-radius: 20px;
  padding: 22px 8px;
  position: relative;
  overflow: hidden;
}

.countdown-cell::after {
  content: "";
  position: absolute;
  top: -20px;
  right: -20px;
  width: 60px;
  height: 60px;
  background: radial-gradient(circle, var(--sun-petal-2), transparent 70%);
  opacity: 0.7;
}

.countdown-num {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5vw, 2.8rem);
  color: var(--straw-red);
  font-variant-numeric: tabular-nums;
  position: relative;
  z-index: 1;
}

.countdown-label {
  margin-top: 6px;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cocoa-soft);
  position: relative;
  z-index: 1;
}

.countdown-msg {
  margin-top: 34px;
  font-family: var(--font-script);
  font-size: 1.6rem;
  color: var(--straw-leaf-dark);
  min-height: 1.6em;
}

/* =========================================================
   GALLERY — polaroid photo frames
   ========================================================= */
#gallery {
  text-align: center;
}

.gallery-heading {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
  margin-bottom: 8px;
}

.gallery-sub {
  color: var(--cocoa-soft);
  margin-bottom: 56px;
  font-size: 0.9rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 42px 20px;
  padding: 10px 0 30px;
}

.polaroid {
  background: #fffdf8;
  padding: 14px 14px 22px;
  border-radius: 4px;
  box-shadow:
    0 2px 4px rgba(74,46,29,0.08),
    0 18px 30px -16px rgba(74,46,29,0.28);
  cursor: pointer;
  transition: transform 0.4s cubic-bezier(.22,1,.36,1), box-shadow 0.4s ease;
  position: relative;
}

.polaroid.tilt-a { transform: rotate(-4deg); }
.polaroid.tilt-b { transform: rotate(3deg); }
.polaroid.tilt-c { transform: rotate(-2deg); }

.polaroid:hover {
  transform: rotate(0deg) translateY(-10px) scale(1.04);
  box-shadow:
    0 4px 6px rgba(74,46,29,0.1),
    0 26px 40px -18px rgba(74,46,29,0.35);
  z-index: 2;
}

.polaroid::before {
  content: "";
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%) rotate(-3deg);
  width: 46px;
  height: 18px;
  background: rgba(255, 222, 122, 0.55);
  border: 1px solid rgba(232,163,23,0.3);
  box-shadow: 0 2px 4px rgba(74,46,29,0.12);
}

.polaroid-photo {
  position: relative;
  aspect-ratio: 4 / 5;
  min-height: 220px; /* fallback for browsers without aspect-ratio support */
  overflow: hidden;
  border-radius: 2px;
  background: linear-gradient(160deg, var(--cream-2), rgba(110,139,61,0.12));
}

.polaroid-placeholder {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--cocoa-soft);
}

.placeholder-icon {
  font-size: 2.1rem;
  opacity: 0.85;
}

.placeholder-text {
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  background: rgba(255,255,255,0.6);
  padding: 3px 9px;
  border-radius: 999px;
  font-family: monospace;
}

.gallery-img {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #fffdf8;
  opacity: 0;
  transition: opacity 0.5s ease;
}

/* only show the photo once it has actually loaded successfully */
.gallery-img.is-loaded {
  opacity: 1;
}

/* if the photo fails to load, hide it completely so the placeholder underneath is visible and clean */
.polaroid.img-missing .gallery-img {
  display: none;
}

.polaroid figcaption {
  margin-top: 14px;
  font-family: var(--font-script);
  font-size: 1.15rem;
  color: var(--cocoa);
  text-align: center;
  line-height: 1.3;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(74, 46, 29, 0.82);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 30px;
  backdrop-filter: blur(4px);
}

.lightbox.open {
  display: flex;
}

.lightbox-inner {
  max-width: min(560px, 90vw);
  text-align: center;
  animation: lightbox-in 0.35s cubic-bezier(.22,1,.36,1);
}

@keyframes lightbox-in {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.lightbox-inner img {
  width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: 8px;
  background: #fffdf8;
  box-shadow: 0 30px 60px rgba(0,0,0,0.4);
}

.lightbox-inner p {
  margin-top: 18px;
  font-family: var(--font-script);
  font-size: 1.5rem;
  color: var(--cream);
}

#lightbox-close {
  position: absolute;
  top: 26px;
  right: 26px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.15);
  color: var(--cream);
  font-size: 1.1rem;
  cursor: pointer;
  transition: background 0.25s ease, transform 0.25s ease;
}

#lightbox-close:hover {
  background: var(--straw-red);
  transform: rotate(90deg);
}

/* =========================================================
   AGE / MILESTONE — 28 sunflower petals
   ========================================================= */
#milestone {
  text-align: center;
}

.milestone-heading {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
  margin-bottom: 8px;
}

.milestone-sub {
  color: var(--cocoa-soft);
  margin-bottom: 50px;
  font-size: 0.95rem;
}

.sunflower-counter {
  position: relative;
  width: min(340px, 80vw);
  height: min(340px, 80vw);
  margin: 0 auto;
}

.sunflower-counter svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.petal-count-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  pointer-events: none;
}

.petal-count-num {
  font-family: var(--font-display);
  font-size: 3.6rem;
  color: var(--cocoa);
  line-height: 1;
}

.petal-count-word {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cocoa-soft);
  margin-top: 4px;
}

.petal {
  transform-origin: center;
  transition: transform 0.5s cubic-bezier(.34,1.56,.64,1), opacity 0.5s ease;
  cursor: pointer;
}

.petal.hidden-petal {
  opacity: 0;
  transform: scale(0.2);
}

/* =========================================================
   LETTER
   ========================================================= */
#letter {
  display: flex;
  justify-content: center;
}

.letter-card {
  background: var(--cream-2);
  border-radius: 28px;
  padding: 56px 44px;
  max-width: 640px;
  width: 100%;
  position: relative;
  box-shadow: 0 30px 60px -30px rgba(74,46,29,0.25);
  border: 1px solid rgba(74,46,29,0.06);
}

.letter-card::before {
  content: "🍓";
  position: absolute;
  top: -22px;
  left: 36px;
  font-size: 2.2rem;
  transform: rotate(-12deg);
}

.letter-card::after {
  content: "🌻";
  position: absolute;
  bottom: -26px;
  right: 30px;
  font-size: 2.6rem;
  transform: rotate(10deg);
}

.letter-greeting {
  font-family: var(--font-script);
  font-size: 2.2rem;
  color: var(--straw-red);
  margin-bottom: 20px;
}

.letter-body {
  font-size: 1.02rem;
  line-height: 1.9;
  color: var(--cocoa);
}

.letter-body p {
  margin-bottom: 18px;
}

.letter-sign {
  margin-top: 24px;
  font-family: var(--font-script);
  font-size: 1.6rem;
  color: var(--straw-leaf-dark);
  text-align: right;
}

/* =========================================================
   GALLERY / REASONS
   ========================================================= */
#reasons {
  text-align: center;
}

.reasons-heading {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
  margin-bottom: 50px;
}

.reasons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  text-align: left;
}

.reason-card {
  background: var(--cream);
  border: 2px solid rgba(74,46,29,0.08);
  border-radius: 22px;
  padding: 28px 24px;
  position: relative;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.reason-card:hover {
  transform: translateY(-8px) rotate(-1deg);
  border-color: var(--sun-core);
  box-shadow: 0 20px 40px -20px rgba(232,163,23,0.45);
}

.reason-icon {
  font-size: 1.8rem;
  display: inline-block;
  margin-bottom: 14px;
}

.reason-text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--cocoa-soft);
}

/* =========================================================
   WISH / INTERACTIVE FIELD
   ========================================================= */
#wish {
  text-align: center;
}

.wish-heading {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
  margin-bottom: 12px;
}

.wish-sub {
  color: var(--cocoa-soft);
  margin-bottom: 40px;
  font-size: 0.95rem;
}

.wish-field {
  position: relative;
  height: 260px;
  border-radius: 26px;
  background: linear-gradient(to bottom, var(--cream-2), rgba(110,139,61,0.12));
  overflow: hidden;
  cursor: pointer;
  border: 2px dashed rgba(74,46,29,0.15);
}

.wish-field-hint {
  position: absolute;
  bottom: 16px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cocoa-soft);
  pointer-events: none;
}

.mini-sunflower {
  position: absolute;
  width: 34px;
  height: 34px;
  transform: translate(-50%, -50%) scale(0);
  animation: pop-grow 0.6s cubic-bezier(.34,1.56,.64,1) forwards;
  pointer-events: none;
}

@keyframes pop-grow {
  0% { transform: translate(-50%, -50%) scale(0) rotate(0deg); }
  70% { transform: translate(-50%, -50%) scale(1.15) rotate(20deg); }
  100% { transform: translate(-50%, -50%) scale(1) rotate(0deg); }
}

/* =========================================================
   FOOTER
   ========================================================= */
footer {
  text-align: center;
  padding: 70px 24px 90px;
  color: var(--cocoa-soft);
  font-size: 0.85rem;
  position: relative;
  z-index: 1;
}

.footer-heart {
  font-family: var(--font-script);
  font-size: 1.6rem;
  color: var(--straw-red);
  display: block;
  margin-bottom: 10px;
}

/* =========================================================
   Confetti burst (birthday reached)
   ========================================================= */
#confetti-canvas {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
  display: none;
}

/* =========================================================
   Music toggle
   ========================================================= */
#music-toggle {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 50;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: none;
  background: var(--sun-core);
  color: var(--cream);
  font-size: 1.3rem;
  cursor: pointer;
  box-shadow: 0 10px 24px -8px rgba(232,163,23,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease;
}

#music-toggle:hover { transform: scale(1.08); }
#music-toggle:active { transform: scale(0.94); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 640px) {
  section { padding: 90px 20px; }
  .countdown-grid { gap: 10px; }
  .countdown-cell { padding: 16px 4px; border-radius: 14px; }
  .letter-card { padding: 44px 26px; }
}

/* Reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.9s ease, transform 0.9s cubic-bezier(.22,1,.36,1);
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}