/* ── TanTan Landing Page ─────────────────────────────────────────── */

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

html, body {
  height: 100%;
}

body {
  min-height: 100vh;
  font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: linear-gradient(
    150deg,
    #FFF3D0 0%,
    #FFE4A0 18%,
    #FFD070 40%,
    #F5BE3C 62%,
    #E8A820 80%,
    #D49510 100%
  );
  overflow: hidden;
  position: relative;
}

/* ── Animated background blobs ── */
.landing-bg {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.45;
}

.bg-blob-1 {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, #FFB347 0%, transparent 70%);
  top: -280px;
  left: -200px;
  animation: drift1 9s ease-in-out infinite alternate;
}

.bg-blob-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #FFCB6B 0%, transparent 70%);
  bottom: -150px;
  right: -120px;
  animation: drift2 11s ease-in-out infinite alternate;
}

.bg-blob-3 {
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, #FFE9AA 0%, transparent 70%);
  top: 42%;
  left: 58%;
  animation: drift3 7.5s ease-in-out infinite alternate;
}

.bg-blob-4 {
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, #FFA040 0%, transparent 70%);
  top: 10%;
  right: 15%;
  animation: drift1 13s ease-in-out infinite alternate-reverse;
}

@keyframes drift1 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(50px, 70px) scale(1.05); }
}
@keyframes drift2 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-45px, -35px) scale(1.08); }
}
@keyframes drift3 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-35px, 50px) scale(0.95); }
}

/* ── Shimmer particles ── */
.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.75);
  animation: sparkle var(--dur, 3s) ease-in-out var(--delay, 0s) infinite;
}

@keyframes sparkle {
  0%, 100% { opacity: 0; transform: scale(0) rotate(0deg); }
  40%       { opacity: 0.9; }
  50%       { opacity: 1; transform: scale(1) rotate(180deg); }
}

/* ── Bottom warm wave ── */
.landing-wave {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 140px;
  background: linear-gradient(to top, rgba(212, 130, 10, 0.35), transparent);
  z-index: 1;
  pointer-events: none;
}

/* ── Main content container ── */
.landing-container {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem 1.5rem;
  text-align: center;
}

/* ── Fade-in animations ── */
.anim-fade {
  opacity: 0;
  animation: fadeInUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Premium badge ── */
.landing-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 210, 120, 0.6);
  border-radius: 50px;
  padding: 0.5rem 1.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: #6B3D00;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.6rem;
  animation-delay: 0s;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

/* ── Main logo ── */
.landing-logo {
  font-size: clamp(4.5rem, 16vw, 9.5rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -3px;
  color: #2C1500;
  margin-bottom: 0.55rem;
  text-shadow:
    0 6px 24px rgba(160, 90, 0, 0.22),
    0 2px 6px rgba(0, 0, 0, 0.10);
  animation-delay: 0.1s;
}

.landing-logo em {
  font-style: normal;
  background: linear-gradient(135deg, #C97D10 0%, #F5C028 45%, #E8960A 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Tagline ── */
.landing-tagline {
  font-size: clamp(1.05rem, 3vw, 1.45rem);
  font-weight: 500;
  color: #4A2800;
  letter-spacing: 0.04em;
  line-height: 1.5;
  margin-bottom: 2.8rem;
  opacity: 0.88;
  animation-delay: 0.2s;
}

/* ── Shop Now button ── */
.landing-btn {
  display: inline-block;
  padding: 1.1rem 3.2rem;
  background: linear-gradient(135deg, #BF6E08, #F5A623, #E8960A, #BF6E08);
  background-size: 200% 100%;
  color: #fff;
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  border-radius: 60px;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  box-shadow:
    0 8px 32px rgba(191, 110, 8, 0.55),
    0 2px 8px rgba(0, 0, 0, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
  animation-delay: 0.35s;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-position 0.4s ease;
}

/* Shine sweep on the button */
.landing-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    105deg,
    transparent 20%,
    rgba(255, 255, 255, 0.35) 50%,
    transparent 80%
  );
  animation: btn-shine 3s ease-in-out 1.8s infinite;
}

@keyframes btn-shine {
  0%   { left: -100%; }
  50%  { left: 130%; }
  100% { left: 130%; }
}

/* Glow pulse */
.landing-btn {
  animation-delay: 0.35s, 2s;
  animation-name: fadeInUp, glow-pulse;
  animation-duration: 0.9s, 3s;
  animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1), ease-in-out;
  animation-fill-mode: forwards, none;
  animation-iteration-count: 1, infinite;
}

@keyframes glow-pulse {
  0%, 100% {
    box-shadow:
      0 8px 32px rgba(191, 110, 8, 0.55),
      0 2px 8px rgba(0, 0, 0, 0.12),
      inset 0 1px 0 rgba(255, 255, 255, 0.25);
  }
  50% {
    box-shadow:
      0 8px 55px rgba(245, 166, 35, 0.80),
      0 2px 8px rgba(0, 0, 0, 0.14),
      inset 0 1px 0 rgba(255, 255, 255, 0.28);
  }
}

.landing-btn:hover {
  transform: translateY(-3px) scale(1.04);
  background-position: 100% 0;
  box-shadow:
    0 14px 48px rgba(191, 110, 8, 0.65),
    0 4px 14px rgba(0, 0, 0, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.landing-btn:active {
  transform: translateY(-1px) scale(1.01);
}

/* ── Decorative sun lines ── */
.sun-ring {
  position: fixed;
  border-radius: 50%;
  border: 1px solid rgba(255, 210, 100, 0.25);
  pointer-events: none;
  z-index: 0;
}

.sun-ring-1 {
  width: 480px;
  height: 480px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: ring-pulse 5s ease-in-out infinite;
}

.sun-ring-2 {
  width: 700px;
  height: 700px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: ring-pulse 5s ease-in-out 1s infinite;
}

.sun-ring-3 {
  width: 950px;
  height: 950px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: ring-pulse 5s ease-in-out 2s infinite;
}

@keyframes ring-pulse {
  0%, 100% { opacity: 0.15; transform: translate(-50%, -50%) scale(1); }
  50%       { opacity: 0.40; transform: translate(-50%, -50%) scale(1.03); }
}

/* ── Mobile ── */
@media (max-width: 480px) {
  .landing-logo {
    letter-spacing: -2px;
  }

  .landing-btn {
    padding: 1rem 2.4rem;
    font-size: 1.05rem;
  }

  .landing-tagline {
    font-size: 1rem;
    margin-bottom: 2.2rem;
  }

  .sun-ring-2,
  .sun-ring-3 {
    display: none;
  }
}

@media (max-width: 360px) {
  .landing-badge {
    font-size: 0.70rem;
    padding: 0.4rem 1rem;
  }
}

/* ── UK confirmation checkbox ───────────────────────────────────── */

.landing-checkbox-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  cursor: pointer;
  margin-bottom: 1.2rem;
  user-select: none;
}

/* Hide native checkbox */
.landing-checkbox-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

/* Custom checkbox box */
.landing-checkbox-box {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 2px solid rgba(100, 60, 0, 0.45);
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.18s, background 0.18s, box-shadow 0.18s;
}

/* Tick mark (hidden until checked) */
.landing-checkbox-box::after {
  content: '';
  display: block;
  width: 9px;
  height: 15px;
  border: 3px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) scale(0);
  transition: transform 0.15s cubic-bezier(0.22, 1, 0.36, 1);
  margin-top: -3px;
}

/* Checked state */
.landing-checkbox-input:checked + .landing-checkbox-box {
  background: linear-gradient(135deg, #C97D10, #F5A623);
  border-color: #C97D10;
  box-shadow: 0 2px 10px rgba(201, 125, 16, 0.4);
}

.landing-checkbox-input:checked + .landing-checkbox-box::after {
  transform: rotate(45deg) scale(1);
}

/* Focus ring for accessibility */
.landing-checkbox-input:focus-visible + .landing-checkbox-box {
  outline: 3px solid rgba(201, 125, 16, 0.6);
  outline-offset: 2px;
}

.landing-checkbox-label {
  font-size: 1rem;
  font-weight: 600;
  color: #3A2000;
  letter-spacing: 0.01em;
}

/* Disabled button state */
.landing-btn-disabled {
  opacity: 0.42;
  cursor: not-allowed;
  box-shadow: 0 4px 14px rgba(191, 110, 8, 0.2) !important;
  animation-name: fadeInUp !important; /* suppress glow-pulse when disabled */
}

.landing-btn-disabled::before {
  display: none; /* suppress shine sweep */
}

/* Gentle message */
.landing-msg {
  font-size: 0.88rem;
  font-weight: 500;
  color: #7A3B00;
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(201, 125, 16, 0.35);
  border-radius: 30px;
  padding: 0.45rem 1.2rem;
  margin-bottom: 1rem;
  min-height: 2rem;
  transition: opacity 0.2s;
}

.landing-msg:empty {
  border: none;
  background: none;
  backdrop-filter: none;
  padding: 0;
  margin-bottom: 0;
  min-height: 0;
}

/* Shake animation when button clicked without checkbox */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-6px); }
  40%       { transform: translateX(6px); }
  60%       { transform: translateX(-4px); }
  80%       { transform: translateX(4px); }
}

.landing-checkbox-wrap.shake {
  animation: shake 0.4s ease;
}