/* Theme tokens */
:root {
    --ink: #302a2a;
    --muted: #6f6562;
    --paper: #fffaf0;
    --paper-alt: #fff2d8;
    --pink: #f5a8b8;
    --pink-dark: #d76f88;
    --yellow: #ffe39a;
    --blue: #b8dff2;
    --green: #c9e8c2;
    --purple: #d9c7ed;
    --line: rgba(48, 42, 42, 0.15);
    --shadow: 0 12px 28px rgba(74, 57, 49, 0.12);
}

body.dark {
    --ink: #f7eee5;
    --muted: #cbbeb5;
    --paper: #29252a;
    --paper-alt: #332d31;
    --line: rgba(255, 245, 235, 0.14);
    --shadow: 0 14px 30px rgba(0, 0, 0, 0.28);
    background: #201d21;
}

/* Base styles */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    min-width: 320px;
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at 10% 20%, rgba(245, 168, 184, 0.16), transparent 22rem),
        radial-gradient(circle at 90% 60%, rgba(184, 223, 242, 0.18), transparent 24rem),
        var(--paper);
    font-family: "Poppins", sans-serif;
    line-height: 1.65;
    transition: background 0.3s, color 0.3s;
}

a,
button {
    color: inherit;
}

button:focus-visible,
a:focus-visible {
    outline: 3px solid var(--pink-dark);
    outline-offset: 3px;
}

.paper-grain {
    position: fixed;
    inset: 0;
    z-index: 20;
    pointer-events: none;
    opacity: 0.13;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
}

/* Header and navigation */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 16px 6vw;
    border-bottom: 1px dashed var(--line);
    background: color-mix(in srgb, var(--paper) 88%, transparent);
    backdrop-filter: blur(12px);
}

.logo {
    color: var(--ink);
    font: 700 1.65rem "Caveat", cursive;
    text-decoration: none;
}

nav {
    display: flex;
    gap: 20px;
}

nav a {
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
}

nav a:hover {
    color: var(--pink-dark);
}

.theme-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: var(--paper-alt);
    cursor: pointer;
}

/* Layout and typography */
.section {
    width: min(1100px, 88%);
    margin: 0 auto;
    padding: 90px 0;
}

.hero {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 60px;
    min-height: 78vh;
}

h1,
h2,
h3 {
    line-height: 1.05;
}

h1 {
    margin: 18px 0 10px;
    font: 700 clamp(4rem, 9vw, 7.4rem) "Caveat", cursive;
}

h1 span {
    color: var(--pink-dark);
}

.sticker,
.small-label {
    display: inline-block;
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.sticker {
    padding: 7px 13px;
    background: var(--yellow);
    box-shadow: 4px 5px 0 rgba(48, 42, 42, 0.1);
    transform: rotate(-3deg);
}

.hero-subtitle,
.hero-text,
.section-intro {
    color: var(--muted);
}

.hero-subtitle {
    font-weight: 600;
}

.hero-text {
    max-width: 590px;
    font-size: 1.08rem;
}

.button,
.surprise-btn,
.mini-btn {
    display: inline-block;
    border: 0;
    font-family: inherit;
    font-weight: 700;
    cursor: pointer;
}

.button {
    margin-top: 16px;
    padding: 13px 20px;
    border-radius: 12px 4px 12px 4px;
    background: var(--pink);
    box-shadow: 5px 5px 0 rgba(48, 42, 42, 0.12);
    text-decoration: none;
}

.section-title {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 35px;
}

.section-title > span {
    color: var(--pink-dark);
    font: 1.4rem "Caveat", cursive;
}

.section-title h2 {
    margin: 0;
    font: 3rem "Caveat", cursive;
}

/* Hero illustration */
.hero-art {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 430px;
}

.doodle-card {
    position: relative;
    width: min(340px, 80vw);
    aspect-ratio: 0.82;
    padding: 55px 40px;
    border: 1px solid #eee2d7;
    background: #fff;
    box-shadow: var(--shadow);
    color: #1a1614;
    transform: rotate(4deg);
}

.doodle-card::after {
    position: absolute;
    inset: 16px;
    border: 2px dashed #e7c6c8;
    content: "";
    pointer-events: none;
}

.doodle-card p {
    margin-top: 70px;
    font: 3.2rem/0.95 "Caveat", cursive;
    text-align: center;
}

.doodle-card > span:last-child {
    display: block;
    font: 1.6rem "Caveat", cursive;
    text-align: right;
}

.tape {
    position: absolute;
    top: 45px;
    right: 70px;
    z-index: 2;
    width: 120px;
    height: 34px;
    background: rgba(255, 227, 154, 0.75);
    transform: rotate(-7deg);
}

.sun,
.face,
.spark {
    position: absolute;
}

.sun { top: 35px; left: 38px; font-size: 2rem; }
.face { top: 33px; right: 42px; font-size: 2.4rem; }
.spark { color: var(--pink-dark); font-size: 1.8rem; }
.spark-a { bottom: 45px; left: 35px; }
.spark-b { right: 30px; bottom: 70px; }

/* Cards and content sections */
.about-grid,
.love-grid,
.achievement-board,
.now-board {
    display: grid;
    gap: 22px;
}

.about-grid,
.achievement-board {
    grid-template-columns: 1fr 1fr;
}

.paper-card {
    position: relative;
    padding: 35px;
    border: 1px solid var(--line);
    background: var(--paper-alt);
    box-shadow: var(--shadow);
}

.blue-note { background: var(--blue); }
.tilt-left { transform: rotate(-1.3deg); }
.tilt-right { transform: rotate(1.3deg); }
.pin { position: absolute; top: 12px; right: 16px; }

.paper-card h3,
.love-card h3,
.trophy-card h3 {
    margin: 8px 0;
    font: 2rem "Caveat", cursive;
}

.paper-card p,
.love-card p,
.trophy-card p {
    color: var(--muted);
}

.love-grid {
    grid-template-columns: repeat(4, 1fr);
}

.love-card {
    position: relative;
    min-height: 290px;
    overflow: hidden;
    padding: 0 24px 28px;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    transition: transform 0.25s, box-shadow 0.25s;
}

.hobby-image {
    display: block;
    width: calc(100% + 48px);
    height: 150px;
    margin: 0 -24px 22px;
    object-fit: cover;
    border-bottom: 2px solid rgba(48, 42, 42, 0.18);
    filter: saturate(0.9) sepia(0.08);
}

.hobby-image + .icon {
    position: absolute;
    top: 124px;
    right: 18px;
    display: grid;
    width: 48px;
    height: 48px;
    place-items: center;
    border: 2px solid var(--ink);
    border-radius: 50%;
    background: var(--paper);
    box-shadow: 3px 3px 0 rgba(48, 42, 42, 0.15);
    font-size: 1.8rem;
}

.love-card:hover {
    box-shadow: 0 18px 34px rgba(74, 57, 49, 0.17);
    transform: translateY(-7px) rotate(1deg);
}

.art-card { background: var(--yellow); }
.paint-card { background: var(--pink); }
.cricket-card { background: var(--green); }
.chess-card { background: var(--purple); }
.icon { font-size: 2.8rem; }

.mini-btn {
    margin-top: 14px;
    padding: 8px 11px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.6);
}

/* Gallery, awards, and now section */
.section-intro,
.gallery-tip {
    text-align: center;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.art {
    margin: 0;
    padding: 13px 13px 22px;
    border: 2px solid var(--ink);
    background: #fff;
    box-shadow: 6px 7px 0 #d5bba1;
    text-align: center;
    transform: rotate(-2deg);
}

.art:nth-child(2) { transform: rotate(2deg); }
.art:nth-child(3) { transform: rotate(-1deg); }

.art-image {
    display: block;
    width: 100%;
    height: 190px;
    object-fit: cover;
    object-position: center;
}

.art figcaption {
    margin-top: 12px;
    font: 1.7rem "Caveat", cursive;
}

.gallery-tip {
    margin-top: 22px;
    font-size: 0.82rem;
}

.trophy-card {
    display: flex;
    align-items: center;
    gap: 22px;
    padding: 28px;
    border: 2px dashed var(--line);
    background: var(--paper-alt);
}

.first { transform: rotate(-1deg); }
.third { transform: rotate(1deg); }

.medal {
    display: grid;
    flex: 0 0 82px;
    place-items: center;
    width: 82px;
    height: 82px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.55);
    font-size: 2.7rem;
}

.now-board {
    grid-template-columns: repeat(4, 1fr);
}

.now-item {
    padding: 24px;
    border-left: 5px solid var(--pink);
    background: var(--paper-alt);
}

.now-item b,
.now-item span {
    display: block;
}

.now-item b { margin-bottom: 6px; }
.now-item span { color: var(--muted); font-size: 0.9rem; }

/* Footer, toast, and surprise dialog */
.final-note { padding-top: 30px; }

.big-note {
    max-width: 700px;
    margin: auto;
    padding: 55px 30px;
    background: var(--pink);
    box-shadow: var(--shadow);
    text-align: center;
    transform: rotate(-1deg);
}

.big-note h2 {
    margin: 4px 0;
    font: 3.4rem "Caveat", cursive;
}

.heart { font-size: 3rem; }

.surprise-btn {
    margin-top: 12px;
    padding: 11px 16px;
    border-radius: 10px;
    background: var(--paper);
}

footer {
    padding: 35px 20px;
    border-top: 1px dashed var(--line);
    color: var(--muted);
    text-align: center;
}

.toast {
    position: fixed;
    bottom: 25px;
    left: 50%;
    z-index: 50;
    max-width: 90%;
    padding: 13px 18px;
    border-radius: 12px;
    background: var(--ink);
    box-shadow: var(--shadow);
    color: var(--paper);
    opacity: 0;
    transform: translate(-50%, 120px);
    transition: 0.3s;
}

.toast.show {
    opacity: 1;
    transform: translate(-50%, 0);
}

.surprise {
    position: fixed;
    inset: 0;
    z-index: 40;
    display: grid;
    visibility: hidden;
    place-items: center;
    padding: 20px;
    background: rgba(35, 30, 30, 0.55);
    opacity: 0;
    transition: 0.25s;
}

.surprise.open {
    visibility: visible;
    opacity: 1;
}

.surprise-box {
    position: relative;
    max-width: 450px;
    padding: 50px 35px;
    background: var(--paper);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.25);
    text-align: center;
    transform: scale(0.9) rotate(-2deg);
    transition: 0.25s;
}

.surprise.open .surprise-box { transform: scale(1) rotate(1deg); }
.surprise-box h2 { font: 3rem "Caveat", cursive; }
.surprise-box span { color: var(--muted); }
.confetti { color: var(--pink-dark); font-size: 1.5rem; letter-spacing: 12px; }

.close-btn {
    position: absolute;
    top: 10px;
    right: 14px;
    border: 0;
    background: transparent;
    color: var(--ink);
    font-size: 2rem;
    cursor: pointer;
}

/* Responsive layout */
@media (max-width: 850px) {
    nav { display: none; }
    .hero { grid-template-columns: 1fr; padding-top: 55px; }
    .hero-art { min-height: 360px; }
    .love-grid,
    .now-board { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
    .site-header { padding: 12px 5%; }
    .section { padding: 65px 0; }
    .about-grid,
    .achievement-board,
    .love-grid,
    .now-board,
    .gallery { grid-template-columns: 1fr; }
    h1 { font-size: 4.5rem; }
    .section-title h2 { font-size: 2.5rem; }
    .hero-art { min-height: 320px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *,
    *::before,
    *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}