/**
 * ====================================================================
 * TEMPLATE 123: CAMPUS LEGENDS & MIDNIGHT CHAI - STYLESHEET
 * ====================================================================
 * Neon Mint, Cyber Indigo, Electric Violet, College Squad Energy
 */

:root {
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-handwriting: 'Permanent Marker', cursive;

  /* Color Palette */
  --bg-dark: #0b0f19;
  --bg-card: rgba(18, 24, 43, 0.75);
  --bg-card-hover: rgba(28, 38, 68, 0.9);
  --border-glass: rgba(16, 185, 129, 0.25);
  --border-neon: rgba(6, 214, 160, 0.45);

  --accent-mint: #10b981;
  --accent-cyan: #06d6a0;
  --accent-violet: #8b5cf6;
  --accent-purple: #a855f7;
  --accent-yellow: #facc15;

  --text-primary: #f0fdf4;
  --text-secondary: #a7f3d0;
  --text-muted: #6ee7b7;

  --shadow-glow: 0 10px 40px -10px rgba(16, 185, 129, 0.4);
  --shadow-box: 0 20px 50px rgba(0, 0, 0, 0.7);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  line-height: 1.65;
}

/* Ambient Neon Background */
.ambient-background {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(105px);
  opacity: 0.32;
  animation: floatOrb 12s ease-in-out infinite alternate;
}

.orb-mint {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #10b981, #064e3b);
  top: -120px;
  left: -80px;
}

.orb-violet {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, #8b5cf6, #3b0764);
  bottom: 5%;
  right: -100px;
  animation-duration: 16s;
}

.orb-cyan {
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, #06d6a0, #042f2e);
  top: 45%;
  left: 25%;
  animation-duration: 14s;
}

@keyframes floatOrb {
  0% { transform: translateY(0px) scale(1); }
  100% { transform: translateY(40px) scale(1.15); }
}

/* Confetti Canvas */
#confetti-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
}

/* ====================================================================
   PASSCODE GATE OVERLAY
   ==================================================================== */
.passcode-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 12, 22, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 1.5rem;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.passcode-overlay.unlocked {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.passcode-card {
  background: linear-gradient(145deg, rgba(22, 30, 52, 0.95), rgba(13, 18, 32, 0.95));
  border: 1px solid var(--border-neon);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), var(--shadow-glow);
  border-radius: var(--radius-xl);
  max-width: 360px;
  width: 100%;
  padding: 2.2rem 1.8rem;
  text-align: center;
  position: relative;
  animation: cardEnter 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes cardEnter {
  0% { transform: scale(0.9) translateY(20px); opacity: 0; }
  100% { transform: scale(1) translateY(0); opacity: 1; }
}

.passcode-badge {
  display: inline-block;
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid var(--border-neon);
  color: var(--accent-cyan);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: 0.75rem;
  letter-spacing: 2px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.passcode-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: #fff;
  margin-bottom: 0.5rem;
}

.passcode-sub {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.6rem;
  line-height: 1.4;
}

.passcode-dots-wrapper {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 1.8rem;
}

.passcode-dot-box {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--border-glass);
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
}

.passcode-dot-box.filled {
  background: var(--accent-cyan);
  border-color: var(--accent-yellow);
  box-shadow: 0 0 14px var(--accent-cyan);
  transform: scale(1.15);
}

.passcode-keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 270px;
  margin: 0 auto;
}

.keypad-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 600;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.keypad-btn:hover {
  background: rgba(16, 185, 129, 0.25);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.keypad-btn:active {
  transform: scale(0.92);
  background: var(--accent-cyan);
  color: #000;
}

.passcode-error-msg {
  color: #f87171;
  font-size: 0.85rem;
  margin-top: 1rem;
  height: 20px;
  opacity: 0;
  transition: opacity 0.3s;
}

.passcode-error-msg.visible {
  opacity: 1;
}

.shake {
  animation: shakeKeypad 0.4s ease-in-out;
}

@keyframes shakeKeypad {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}

/* ====================================================================
   UNBOXING BOOMBOX OVERLAY
   ==================================================================== */
.unboxing-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 12, 22, 0.95);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9990;
  padding: 1.5rem;
  transition: opacity 0.7s ease, visibility 0.7s ease;
}

.unboxing-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.boombox-wrapper {
  position: relative;
  width: 230px;
  height: 160px;
  margin-bottom: 2rem;
  cursor: pointer;
}

.boombox-container {
  width: 100%;
  height: 100%;
  position: relative;
  transition: transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.boombox-container:hover {
  transform: scale(1.05) rotate(1deg);
}

.boombox-body {
  position: absolute;
  bottom: 0;
  left: 10px;
  right: 10px;
  height: 120px;
  background: linear-gradient(135deg, #1e1b4b, #0f172a);
  border-radius: 14px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6), 0 0 25px rgba(16, 185, 129, 0.3);
  border: 2px solid var(--accent-mint);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 15px;
}

.speaker {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: radial-gradient(circle, #06d6a0, #047857);
  box-shadow: inset 0 0 10px rgba(0,0,0,0.5), 0 0 15px rgba(6, 214, 160, 0.5);
}

.boombox-handle {
  position: absolute;
  top: 15px;
  left: 40px;
  right: 40px;
  height: 25px;
  border: 4px solid var(--accent-violet);
  border-bottom: none;
  border-radius: 10px 10px 0 0;
  transition: transform 0.6s ease;
}

.boombox-opened .boombox-body {
  transform: scale(1.1);
  box-shadow: 0 0 40px var(--accent-cyan);
}

.unboxing-btn {
  background: linear-gradient(135deg, var(--accent-mint), var(--accent-cyan));
  color: #0b0f19;
  border: none;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.05rem;
  padding: 0.95rem 2.2rem;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.45);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 10px;
}

.unboxing-btn:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 15px 40px rgba(16, 185, 129, 0.65);
}

/* ====================================================================
   TOP CONTROLS BAR
   ==================================================================== */
.top-controls-bar {
  position: fixed;
  top: 1rem;
  right: 1.2rem;
  z-index: 500;
  display: flex;
  gap: 10px;
}

.ctrl-btn {
  background: rgba(18, 24, 43, 0.85);
  border: 1px solid var(--border-neon);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--text-primary);
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  transition: var(--transition-smooth);
}

.ctrl-btn:hover {
  background: rgba(16, 185, 129, 0.25);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* ====================================================================
   LAYOUT & SECTIONS
   ==================================================================== */
.site-wrapper {
  position: relative;
  z-index: 10;
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem 1.2rem 5rem;
}

.hero-section {
  text-align: center;
  padding: 4.5rem 1rem 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--border-neon);
  color: var(--accent-cyan);
  padding: 0.4rem 1.2rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  animation: pulseBadge 3s infinite;
}

@keyframes pulseBadge {
  0%, 100% { box-shadow: 0 0 0 rgba(16, 185, 129, 0); }
  50% { box-shadow: 0 0 20px rgba(16, 185, 129, 0.4); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.15;
  margin-bottom: 1.2rem;
  font-weight: 800;
  color: #fff;
  text-shadow: 0 4px 20px rgba(16, 185, 129, 0.35);
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-yellow), var(--accent-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 2rem;
  font-weight: 400;
}

/* CAKE & CANDLE SECTION */
.cake-section {
  background: var(--bg-card);
  border: 1px solid var(--border-neon);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-radius: var(--radius-xl);
  padding: 2.8rem 1.5rem;
  text-align: center;
  margin-bottom: 3.5rem;
  box-shadow: var(--shadow-box);
  position: relative;
  overflow: hidden;
}

.section-label {
  font-size: 0.8rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent-cyan);
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.section-heading {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: #fff;
  margin-bottom: 1.8rem;
}

.cake-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 1.5rem 0 2rem;
}

/* CSS Cake Model */
.cake-wrapper {
  position: relative;
  width: 220px;
  height: 180px;
  cursor: pointer;
}

.cake-plate {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 220px;
  height: 14px;
  background: linear-gradient(to right, #1e1b4b, #312e81, #1e1b4b);
  border: 1px solid var(--border-neon);
  border-radius: 10px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
}

.cake-layer-bottom {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 180px;
  height: 65px;
  background: linear-gradient(135deg, #059669, #047857);
  border-radius: 14px 14px 4px 4px;
  box-shadow: inset 0 -6px 12px rgba(0, 0, 0, 0.3);
}

.cake-layer-top {
  position: absolute;
  bottom: 79px;
  left: 50%;
  transform: translateX(-50%);
  width: 140px;
  height: 55px;
  background: linear-gradient(135deg, #10b981, #059669);
  border-radius: 12px 12px 4px 4px;
  box-shadow: inset 0 -6px 12px rgba(0, 0, 0, 0.3);
}

.cake-frosting {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 16px;
  background: #a7f3d0;
  border-radius: 12px 12px 8px 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.cake-frosting::after {
  content: '';
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  height: 10px;
  background: radial-gradient(circle at 10px 0, #a7f3d0 8px, transparent 9px) repeat-x;
  background-size: 20px 10px;
}

/* Candles */
.candles-row {
  position: absolute;
  top: -38px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 22px;
}

.candle {
  width: 10px;
  height: 40px;
  background: repeating-linear-gradient(45deg, #06d6a0, #06d6a0 6px, #8b5cf6 6px, #8b5cf6 12px);
  border-radius: 3px;
  position: relative;
}

.candle-flame {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 20px;
  background: radial-gradient(circle at 50% 80%, #fef08a, #06d6a0 60%, #10b981);
  border-radius: 50% 50% 20% 20%;
  box-shadow: 0 0 16px #06d6a0, 0 0 25px #10b981;
  animation: flicker 1s infinite alternate ease-in-out;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

@keyframes flicker {
  0% { transform: translateX(-50%) scale(1) rotate(-2deg); }
  100% { transform: translateX(-50%) scale(1.1) rotate(2deg); }
}

.candle.blown .candle-flame {
  opacity: 0;
  transform: translateX(-50%) scale(0.2) translateY(-10px);
}

.candle-smoke {
  position: absolute;
  top: -24px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 18px;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  filter: blur(4px);
  opacity: 0;
}

.candle.blown .candle-smoke {
  animation: smokeRise 1.5s forwards ease-out;
}

@keyframes smokeRise {
  0% { opacity: 0.8; transform: translateX(-50%) translateY(0) scale(1); }
  100% { opacity: 0; transform: translateX(-60%) translateY(-25px) scale(2); }
}

.cake-btn {
  background: linear-gradient(135deg, var(--accent-mint), var(--accent-cyan));
  color: #0b0f19;
  border: none;
  font-weight: 800;
  font-size: 1rem;
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.35);
  transition: var(--transition-smooth);
}

.cake-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(16, 185, 129, 0.55);
}

.wish-granted-banner {
  margin-top: 1.5rem;
  font-family: var(--font-handwriting);
  font-size: 1.8rem;
  color: var(--accent-cyan);
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.5s ease;
}

.wish-granted-banner.show {
  opacity: 1;
  transform: translateY(0);
}

/* ====================================================================
   MEMORIES & POLAROIDS SECTION
   ==================================================================== */
.memories-section {
  margin-bottom: 3.5rem;
}

.memories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 2rem;
}

.polaroid-card {
  background: rgba(22, 30, 52, 0.7);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  position: relative;
  overflow: hidden;
}

.polaroid-card:hover {
  transform: translateY(-6px) rotate(1deg);
  box-shadow: 0 20px 45px rgba(16, 185, 129, 0.3);
  border-color: var(--accent-cyan);
}

.polaroid-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
}

.polaroid-tag {
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-cyan);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.polaroid-icon {
  font-size: 1.3rem;
}

.polaroid-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 0.5rem;
}

.polaroid-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ====================================================================
   LETTER ENVELOPE SECTION
   ==================================================================== */
.letter-section {
  background: linear-gradient(145deg, rgba(22, 30, 52, 0.85), rgba(13, 18, 32, 0.85));
  border: 1px solid var(--border-neon);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-radius: var(--radius-xl);
  padding: 3rem 2rem;
  box-shadow: var(--shadow-box);
  margin-bottom: 3.5rem;
  position: relative;
}

.envelope-badge {
  text-align: center;
  margin-bottom: 1.2rem;
}

.wax-seal-btn {
  background: linear-gradient(135deg, var(--accent-mint), var(--accent-violet));
  color: #fff;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
  font-size: 1.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.wax-seal-btn:hover {
  transform: scale(1.1) rotate(15deg);
}

.letter-paper {
  background: rgba(16, 185, 129, 0.05);
  border: 1px dashed var(--border-neon);
  border-radius: var(--radius-lg);
  padding: 2.2rem 1.8rem;
  margin-top: 1.5rem;
  position: relative;
}

.letter-date {
  font-size: 0.85rem;
  color: var(--accent-cyan);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.letter-salutation {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--accent-cyan);
  margin-bottom: 1.2rem;
}

.letter-body p {
  margin-bottom: 1.1rem;
  font-size: 1rem;
  color: var(--text-primary);
  line-height: 1.7;
}

.letter-postscript {
  margin-top: 1.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(16, 185, 129, 0.2);
  font-family: var(--font-handwriting);
  font-size: 1.2rem;
  color: var(--accent-yellow);
}

.letter-signoff {
  margin-top: 1.5rem;
  text-align: right;
  font-style: italic;
  color: var(--text-secondary);
}

.letter-author {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--accent-cyan);
  font-weight: 700;
  margin-top: 0.25rem;
}

/* ====================================================================
   QUOTES & APOLOGY SECTION
   ==================================================================== */
.quotes-section {
  margin-bottom: 3.5rem;
}

.quotes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 1.5rem;
}

.quote-card {
  background: var(--bg-card);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  position: relative;
}

.quote-mark {
  font-family: var(--font-heading);
  font-size: 3rem;
  color: rgba(16, 185, 129, 0.3);
  line-height: 0;
  margin-bottom: 1rem;
}

.quote-text {
  font-style: italic;
  color: var(--text-primary);
  margin-bottom: 0.8rem;
  font-size: 0.95rem;
}

.quote-author {
  font-size: 0.8rem;
  color: var(--accent-cyan);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.apology-banner {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(139, 92, 246, 0.15));
  border: 1px solid var(--border-neon);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  margin-bottom: 3.5rem;
}

.apology-badge {
  display: inline-block;
  background: var(--accent-mint);
  color: #0b0f19;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  margin-bottom: 0.8rem;
}

.apology-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: #fff;
  margin-bottom: 0.5rem;
}

.apology-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ====================================================================
   CTA & FOOTER
   ==================================================================== */
.cta-section {
  text-align: center;
  padding: 2.5rem 1rem;
}

.cta-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
  margin-top: 1.5rem;
}

.wa-btn {
  background: #25d366;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  padding: 0.9rem 2rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.35);
  transition: var(--transition-smooth);
}

.wa-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.5);
}

.ig-btn {
  background: linear-gradient(135deg, #f58529, #dd2a7b, #8134af);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  padding: 0.9rem 2rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 25px rgba(221, 42, 123, 0.35);
  transition: var(--transition-smooth);
}

.ig-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(221, 42, 123, 0.5);
}

.confetti-trigger-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-neon);
  color: var(--text-primary);
  font-weight: 700;
  padding: 0.9rem 2rem;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition-smooth);
}

.confetti-trigger-btn:hover {
  background: rgba(16, 185, 129, 0.3);
  transform: translateY(-3px);
}

.site-footer {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 3rem;
  border-top: 1px solid rgba(16, 185, 129, 0.15);
  padding-top: 2rem;
}

/* ====================================================================
   RESPONSIVENESS
   ==================================================================== */
@media (max-width: 640px) {
  .hero-section {
    padding: 3.5rem 0.5rem 2rem;
  }
  .passcode-card {
    padding: 1.8rem 1.2rem;
  }
  .keypad-btn {
    height: 50px;
    font-size: 1.15rem;
  }
  .cake-wrapper {
    transform: scale(0.85);
  }
  .letter-section {
    padding: 2rem 1.2rem;
  }
  .letter-paper {
    padding: 1.5rem 1.2rem;
  }
}
