/* ============================================
   💌 Firstplaydate — Date Proposal for Jiyo
   Mobile-First Design
   ============================================ */

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

:root {
    --pink-100: #FFF0F5;
    --pink-200: #FFE4EE;
    --pink-300: #FFB6D3;
    --pink-400: #FF8AB5;
    --pink-500: #FF6B9D;
    --pink-600: #E5507A;

    --peach-100: #FFF5EE;
    --peach-200: #FFECD2;
    --peach-300: #FFD4A8;
    --peach-400: #FFB87A;

    --cream: #FFFBF5;
    --lavender: #E8D5F5;
    --lavender-light: #F3E8FF;

    --text-dark: #3D2C3E;
    --text-medium: #6B5470;
    --text-light: #9B8A9E;

    --shadow-soft: 0 8px 32px rgba(255, 107, 157, 0.15);
    --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 40px rgba(255, 107, 157, 0.3);

    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 28px;
    --radius-xl: 40px;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

body {
    font-family: 'Nunito', sans-serif;
    color: var(--text-dark);
    background: var(--cream);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: var(--pink-100);
}

::-webkit-scrollbar-thumb {
    background: var(--pink-300);
    border-radius: 10px;
}

/* ---- Floating Hearts ---- */
.floating-hearts {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.floating-heart {
    position: absolute;
    font-size: 14px;
    opacity: 0;
    animation: floatUp 6s ease-in infinite;
}

@keyframes floatUp {
    0% {
        opacity: 0;
        transform: translateY(100vh) rotate(0deg) scale(0.5);
    }

    10% {
        opacity: 0.5;
    }

    90% {
        opacity: 0.5;
    }

    100% {
        opacity: 0;
        transform: translateY(-20vh) rotate(360deg) scale(1);
    }
}

/* ============================================
   HERO — Mobile First
   ============================================ */
.hero {
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #FFE4EE 0%, #FFECD2 25%, #FFE4EE 50%, #F3E8FF 75%, #FFE4EE 100%);
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite;
    overflow: hidden;
    padding: 20px;
}

@keyframes gradientShift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    25% {
        background-position: 100% 50%;
    }

    50% {
        background-position: 100% 0%;
    }

    75% {
        background-position: 0% 100%;
    }
}

.hero-sparkles {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(2px 2px at 20% 30%, rgba(255, 107, 157, 0.4), transparent),
        radial-gradient(2px 2px at 80% 20%, rgba(255, 184, 122, 0.4), transparent),
        radial-gradient(2px 2px at 40% 70%, rgba(232, 213, 245, 0.6), transparent),
        radial-gradient(2px 2px at 70% 80%, rgba(255, 107, 157, 0.3), transparent),
        radial-gradient(3px 3px at 10% 90%, rgba(255, 182, 211, 0.5), transparent),
        radial-gradient(2px 2px at 90% 60%, rgba(255, 212, 168, 0.4), transparent);
    animation: sparkleFloat 4s ease-in-out infinite alternate;
}

@keyframes sparkleFloat {
    0% {
        opacity: 0.5;
        transform: translateY(0);
    }

    100% {
        opacity: 1;
        transform: translateY(-10px);
    }
}

.hero-stickers {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-sticker {
    position: absolute;
    width: 60px;
    height: 60px;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
}

.sticker-1 {
    top: 15%;
    right: 5%;
    animation: stickerBob 3s ease-in-out infinite;
}

.sticker-2 {
    bottom: 22%;
    left: 4%;
    animation: stickerBob 3.5s ease-in-out infinite 0.5s;
}

.sticker-3 {
    top: 20%;
    left: 8%;
    animation: stickerBob 4s ease-in-out infinite 1s;
    width: 50px;
    height: 50px;
}

@keyframes stickerBob {

    0%,
    100% {
        transform: translateY(0) rotate(-5deg);
    }

    50% {
        transform: translateY(-12px) rotate(5deg);
    }
}

.hero-content {
    text-align: center;
    z-index: 2;
    padding: 10px;
}

.hero-subtitle {
    font-family: 'Caveat', cursive;
    font-size: 1.3rem;
    color: var(--pink-500);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards 0.3s;
    margin-bottom: 6px;
}

.hero-title {
    font-family: 'Quicksand', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-dark);
    min-height: 3rem;
    margin-bottom: 12px;
}

.hero-title .cursor {
    display: inline-block;
    width: 3px;
    height: 2rem;
    background: var(--pink-500);
    margin-left: 2px;
    animation: blink 0.8s infinite;
    vertical-align: middle;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.hero-blush {
    font-size: 1rem;
    color: var(--text-medium);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards 2.5s;
    margin-bottom: 32px;
}

.envelope-btn {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid var(--pink-300);
    border-radius: var(--radius-lg);
    padding: 16px 36px;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards 3.2s;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.envelope-btn:active {
    transform: scale(0.95) !important;
}

.envelope-icon {
    font-size: 2.2rem;
    position: relative;
    z-index: 1;
    animation: envelopeWiggle 2s ease-in-out infinite 4s;
}

@keyframes envelopeWiggle {

    0%,
    100% {
        transform: rotate(0deg);
    }

    25% {
        transform: rotate(-10deg);
    }

    75% {
        transform: rotate(10deg);
    }
}

.envelope-text {
    font-family: 'Quicksand', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--pink-500);
    position: relative;
    z-index: 1;
}

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

/* ============================================
   LETTER REVEAL SECTION (replaces envelope)
   ============================================ */
.letter-section {
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, var(--pink-200), var(--cream));
    padding: 40px 20px;
}

.letter-reveal {
    opacity: 0;
    transform: translateY(40px) scale(0.9);
    transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

.letter-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    text-align: center;
    max-width: 320px;
    width: 100%;
    box-shadow: var(--shadow-card), 0 0 60px rgba(255, 182, 211, 0.2);
    border: 2px solid rgba(255, 182, 211, 0.3);
    position: relative;
}

.letter-sticker-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 16px;
    animation: stickerBob 3s ease-in-out infinite;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.letter-title {
    font-family: 'Quicksand', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--pink-600);
    margin-bottom: 6px;
}

.letter-subtitle {
    font-family: 'Caveat', cursive;
    font-size: 1.4rem;
    color: var(--pink-400);
    margin-bottom: 2px;
}

.letter-ft {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 600;
    margin-bottom: 16px;
}

.letter-divider {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--pink-300), var(--peach-300));
    margin: 0 auto 16px;
    border-radius: 2px;
}

.letter-hint {
    font-family: 'Caveat', cursive;
    font-size: 1.1rem;
    color: var(--text-light);
    animation: gently 2s ease-in-out infinite;
}

@keyframes gently {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-5px);
    }
}

/* ============================================
   PROPOSAL SECTION
   ============================================ */
.proposal-section {
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, var(--cream), var(--lavender-light), var(--cream));
    padding: 40px 20px;
    position: relative;
}

.proposal-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 182, 211, 0.4);
    border-radius: var(--radius-xl);
    padding: 40px 28px;
    text-align: center;
    max-width: 360px;
    width: 100%;
    position: relative;
    box-shadow: var(--shadow-soft);
    opacity: 0;
    transform: translateY(40px) scale(0.95);
}

.proposal-card.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.proposal-sparkle-container {
    position: absolute;
    inset: -20px;
    pointer-events: none;
}

.sparkle {
    position: absolute;
    font-size: 1.3rem;
    animation: sparkleRotate 3s linear infinite;
}

.s1 {
    top: -5px;
    left: 20%;
}

.s2 {
    top: 30%;
    right: -10px;
    animation-delay: 0.8s;
}

.s3 {
    bottom: 10%;
    left: -5px;
    animation-delay: 1.5s;
}

.s4 {
    bottom: -5px;
    right: 20%;
    animation-delay: 2.2s;
}

@keyframes sparkleRotate {

    0%,
    100% {
        transform: scale(1) rotate(0deg);
        opacity: 0.7;
    }

    50% {
        transform: scale(1.3) rotate(180deg);
        opacity: 1;
    }
}

.proposal-sticker-left,
.proposal-sticker-right {
    position: absolute;
    width: 55px;
    height: 55px;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.proposal-sticker-left {
    top: -22px;
    left: -10px;
    transform: rotate(-15deg);
    animation: stickerBob 3s ease-in-out infinite;
}

.proposal-sticker-right {
    bottom: -18px;
    right: -8px;
    transform: rotate(15deg);
    animation: stickerBob 3.5s ease-in-out infinite 0.5s;
}

.proposal-question {
    font-family: 'Quicksand', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.5;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.highlight-text {
    background: linear-gradient(135deg, var(--pink-400), var(--peach-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2.2rem;
    font-weight: 800;
    display: inline-block;
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {

    0%,
    100% {
        filter: drop-shadow(0 0 0px transparent);
        transform: scale(1);
    }

    50% {
        filter: drop-shadow(0 0 20px rgba(255, 107, 157, 0.4));
        transform: scale(1.05);
    }
}

.proposal-sub {
    font-size: 0.95rem;
    color: var(--text-medium);
    margin-bottom: 4px;
}

.proposal-time {
    font-size: 0.9rem;
    color: var(--pink-500);
    font-weight: 700;
}

/* ============================================
   TIMELINE
   ============================================ */
.timeline-section {
    padding: 60px 16px;
    background: linear-gradient(180deg, var(--cream), var(--pink-100) 30%, var(--peach-100) 60%, var(--cream));
}

.timeline-header {
    font-family: 'Quicksand', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.timeline-subheader {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 40px;
}

.timeline {
    position: relative;
    max-width: 440px;
    margin: 0 auto;
    padding-left: 44px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 16px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--pink-300), var(--peach-300), var(--lavender), var(--pink-300));
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 36px;
    opacity: 0;
    transform: translateX(24px);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateX(0);
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.timeline-dot {
    position: absolute;
    left: -36px;
    top: 14px;
    width: 38px;
    height: 38px;
    background: white;
    border: 3px solid var(--pink-300);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(255, 182, 211, 0.3);
    z-index: 2;
}

.timeline-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 182, 211, 0.3);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.timeline-card:active {
    transform: scale(0.98);
}

.timeline-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

[data-activity="food"] .timeline-card::before {
    background: linear-gradient(90deg, #FF6B9D, #FFB87A);
}

[data-activity="arcade"] .timeline-card::before {
    background: linear-gradient(90deg, #8B5CF6, #3B82F6);
}

[data-activity="craft"] .timeline-card::before {
    background: linear-gradient(90deg, #FF8AB5, #FFD4A8);
}

[data-activity="photo"] .timeline-card::before {
    background: linear-gradient(90deg, #EC4899, #A855F7);
}

[data-activity="dessert"] .timeline-card::before {
    background: linear-gradient(90deg, #F59E0B, #D97706);
}

.timeline-badge {
    display: inline-block;
    font-family: 'Quicksand', sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--pink-500);
    background: var(--pink-100);
    padding: 3px 12px;
    border-radius: 20px;
    margin-bottom: 8px;
}

.timeline-card-title {
    font-family: 'Quicksand', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.timeline-card-desc {
    font-size: 0.9rem;
    color: var(--text-medium);
    line-height: 1.5;
}

.timeline-card-note {
    font-family: 'Caveat', cursive;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 4px;
}

.timeline-sticker {
    position: absolute;
    bottom: -6px;
    right: -6px;
    width: 50px;
    height: 50px;
    object-fit: contain;
    opacity: 0.7;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.1));
}

.arcade-emojis {
    display: flex;
    gap: 10px;
    margin-top: 8px;
}

.bounce-emoji {
    font-size: 1.3rem;
    animation: emojiJump 2s ease-in-out infinite;
}

.bounce-emoji:nth-child(2) {
    animation-delay: 0.3s;
}

.bounce-emoji:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes emojiJump {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-6px);
    }
}

/* ============================================
   STICKER SECTION
   ============================================ */
.sticker-section {
    padding: 50px 16px;
    background: linear-gradient(180deg, var(--cream), var(--peach-100), var(--cream));
    text-align: center;
}

.sticker-title {
    font-family: 'Caveat', cursive;
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 30px;
}

.sticker-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    max-width: 360px;
    margin: 0 auto;
}

.sticker-float-item {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: stickerDance 4s ease-in-out infinite;
    opacity: 0;
    transform: scale(0.5);
}

.sticker-float-item.visible {
    opacity: 1;
    transform: scale(1);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.sticker-float-item:nth-child(1) {
    animation-delay: 0s;
}

.sticker-float-item:nth-child(2) {
    animation-delay: 0.5s;
}

.sticker-float-item:nth-child(3) {
    animation-delay: 1s;
}

.sticker-float-item:nth-child(4) {
    animation-delay: 1.5s;
}

.sticker-float-item:nth-child(5) {
    animation-delay: 2s;
}

.sticker-float-item:nth-child(6) {
    animation-delay: 2.5s;
}

@keyframes stickerDance {

    0%,
    100% {
        transform: translateY(0) rotate(-5deg);
    }

    25% {
        transform: translateY(-10px) rotate(3deg);
    }

    50% {
        transform: translateY(0) rotate(5deg);
    }

    75% {
        transform: translateY(-6px) rotate(-3deg);
    }
}

.sticker-float-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.15));
}

.gif-sticker {
    width: 110px;
    height: 110px;
}

/* ============================================
   "BTW" PHOTO NOTE — small & cute near end
   ============================================ */
.btw-section {
    padding: 40px 20px;
    background: linear-gradient(180deg, var(--cream), var(--pink-100), var(--cream));
    text-align: center;
}

.btw-content {
    max-width: 340px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(30px);
}

.btw-content.visible {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s ease;
}

.btw-text {
    font-family: 'Caveat', cursive;
    font-size: 1.5rem;
    color: var(--pink-500);
    margin-bottom: 6px;
}

.btw-arrow {
    display: block;
    font-size: 1.2rem;
    color: var(--pink-400);
    margin-bottom: 16px;
    animation: gently 1.5s ease-in-out infinite;
}

.btw-photos {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
}

.btw-photo-item {
    width: 90px;
    height: 110px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: white;
    padding: 4px;
    box-shadow: 0 4px 16px rgba(255, 107, 157, 0.15);
    opacity: 0;
    transform: translateY(15px);
}

.btw-photo-item.visible {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.5s ease;
}

.item-1 {
    transform: rotate(-3deg) translateY(15px);
}

.item-2 {
    transform: rotate(1deg) translateY(15px);
}

.item-3 {
    transform: rotate(-2deg) translateY(15px);
}

.item-1.visible {
    transform: rotate(-3deg) translateY(0);
}

.item-2.visible {
    transform: rotate(1deg) translateY(0);
}

.item-3.visible {
    transform: rotate(-2deg) translateY(0);
}

.btw-photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: 8px;
    display: block;
}

.btw-sub {
    font-family: 'Caveat', cursive;
    font-size: 1.1rem;
    color: var(--text-light);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #FFE4EE 0%, #F3E8FF 30%, #FFECD2 60%, #FFE4EE 100%);
    background-size: 300% 300%;
    animation: gradientShift 6s ease infinite;
    position: relative;
    padding: 40px 20px;
    overflow: hidden;
}

.cta-container {
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta-stickers {
    position: absolute;
    inset: -30px;
    pointer-events: none;
}

.cta-sticker {
    position: absolute;
    width: 65px;
    height: 65px;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
}

.cta-s1 {
    top: -25px;
    left: 0;
    animation: stickerBob 3s ease-in-out infinite;
}

.cta-s2 {
    top: 30%;
    right: -40px;
    animation: stickerBob 3.5s ease-in-out infinite 0.5s;
}

.cta-s3 {
    bottom: -15px;
    left: 20%;
    animation: stickerBob 4s ease-in-out infinite 1s;
}

.cta-title {
    font-family: 'Quicksand', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: 3px;
    opacity: 0;
    transform: translateY(30px);
}

.cta-title.visible {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.cta-day {
    font-family: 'Quicksand', sans-serif;
    font-size: 2.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--pink-500), #A855F7, var(--peach-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientText 3s ease infinite;
    letter-spacing: 4px;
    margin-bottom: 4px;
    opacity: 0;
    transform: translateY(30px) scale(0.8);
}

.cta-day.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s;
}

@keyframes gradientText {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.cta-exclaim {
    font-family: 'Quicksand', sans-serif;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--pink-400);
    letter-spacing: 6px;
    margin-bottom: 40px;
    opacity: 0;
}

.cta-exclaim.visible {
    opacity: 1;
    transition: opacity 0.5s ease 0.5s;
}

.yes-btn {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    background: linear-gradient(135deg, var(--pink-400), #E5507A);
    color: white;
    border: none;
    border-radius: var(--radius-xl);
    padding: 18px 50px;
    cursor: pointer;
    font-family: 'Quicksand', sans-serif;
    box-shadow: 0 8px 30px rgba(229, 80, 122, 0.4);
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    -webkit-tap-highlight-color: transparent;
}

.yes-btn.visible {
    opacity: 1;
    transform: scale(1);
    transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.7s;
    animation: btnPulse 2s ease-in-out infinite 1.5s;
}

@keyframes btnPulse {

    0%,
    100% {
        box-shadow: 0 8px 30px rgba(229, 80, 122, 0.4);
    }

    50% {
        box-shadow: 0 8px 50px rgba(229, 80, 122, 0.7), 0 0 80px rgba(255, 107, 157, 0.3);
    }
}

.yes-btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) rotate(45deg);
    }

    100% {
        transform: translateX(100%) rotate(45deg);
    }
}

.yes-btn:active {
    transform: scale(0.95) !important;
}

.yes-text {
    font-size: 1.6rem;
    font-weight: 800;
    position: relative;
    z-index: 1;
}

.yes-subtext {
    font-size: 0.8rem;
    font-weight: 600;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

.cta-note {
    margin-top: 14px;
    font-family: 'Caveat', cursive;
    font-size: 0.95rem;
    color: var(--text-light);
    opacity: 0;
}

.cta-note.visible {
    opacity: 1;
    transition: opacity 0.5s ease 1s;
    animation: gently 2s ease-in-out infinite 1.5s;
}

/* ============================================
   RESPONSE OVERLAY
   ============================================ */
.response-overlay {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, #FFE4EE 0%, #F3E8FF 40%, #FFECD2 70%, #FFE4EE 100%);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.6s ease;
    overflow-y: auto;
}

.response-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.response-content {
    text-align: center;
    padding: 30px 24px;
    max-width: 380px;
    width: 100%;
    position: relative;
}

.response-hearts {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.response-sticker {
    width: 85px;
    height: 85px;
    object-fit: contain;
    margin-bottom: 16px;
    animation: stickerBob 2s ease-in-out infinite;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
}

.response-title {
    font-family: 'Quicksand', sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 10px;
    animation: celebrateText 0.5s ease;
}

@keyframes celebrateText {
    0% {
        transform: scale(0);
        opacity: 0;
    }

    50% {
        transform: scale(1.2);
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.response-text {
    font-size: 1.1rem;
    color: var(--text-medium);
    margin-bottom: 4px;
}

.response-sub {
    font-family: 'Caveat', cursive;
    font-size: 1.2rem;
    color: var(--pink-500);
    margin-bottom: 24px;
}

.response-details {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 182, 211, 0.3);
}

.response-details p {
    font-size: 0.95rem;
    color: var(--text-dark);
    margin-bottom: 6px;
    font-weight: 600;
}

.response-details p:last-child {
    margin-bottom: 0;
}

.response-bottom-sticker {
    width: 65px;
    height: 65px;
    object-fit: contain;
    margin-bottom: 12px;
    animation: stickerBob 3s ease-in-out infinite 0.5s;
}

.response-sign {
    font-family: 'Caveat', cursive;
    font-size: 1.3rem;
    color: var(--text-light);
}

/* ---- Confetti Canvas ---- */
#confettiCanvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10000;
}

/* ============================================
   TABLET+ (min 768px)
   ============================================ */
@media (min-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-sticker {
        width: 90px;
        height: 90px;
    }

    .sticker-3 {
        width: 70px;
        height: 70px;
    }

    .letter-card {
        max-width: 380px;
        padding: 50px 40px;
    }

    .proposal-question {
        font-size: 2rem;
    }

    .highlight-text {
        font-size: 2.8rem;
    }

    .cta-title {
        font-size: 3.5rem;
    }

    .cta-day {
        font-size: 3.8rem;
    }

    .btw-photo-item {
        width: 120px;
        height: 150px;
    }

    .sticker-float-item {
        width: 110px;
        height: 110px;
    }

    .gif-sticker {
        width: 140px;
        height: 140px;
    }
}