/* ==========================================
   CSS Zen Garden
   Beyond HTML Basics Assignment
	 Name: Aashiga Moorthy
   ========================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500&family=Playfair+Display:ital,wght@0,500;0,700;1,400&display=swap');

/* Colors, fonts, and reusable variables */
:root {
  --bg-color: #fcf9f5;
  --card-bg: rgba(255, 255, 255, 0.92);
  --border-color: #f2e9e1;

  --blush-pink: #f7cad0;
  --soft-sakura: #ffb5a7;
  --petal-white: #fff0f3;
  --gold-pollen: #f3d58c;
  --sage-stem: #94b0a0;

  --text-main: #3a3532;
  --text-muted: #7d7571;

  /* Using calc() to size headings */
  --base-size: 1rem;
  --heading-large: calc(var(--base-size) * 2.6);
  --heading-medium: calc(var(--base-size) * 1.45);

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', system-ui, sans-serif;

  --grid-layout: 1fr;
  --grid-gap: 1.5rem;
  --radius: 20px;
  --soft-shadow: 0 12px 35px rgba(247, 202, 208, 0.18);
  --gentle-transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Make the layout wider on larger screens */
@media screen and (min-width: 900px) {
  :root {
    --grid-layout: 1fr 310px;
    --grid-gap: 2.5rem;
    --base-size: 1.05rem;
  }
}

/* Remove default browser spacing */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Main page styling */
body#css-zen-garden {
  background-color: var(--bg-color);

  /* Soft background gradient */
  background-image:
    radial-gradient(circle at 10% 15%, rgba(247, 202, 208, 0.25) 0%, transparent 45%),
    radial-gradient(circle at 90% 75%, rgba(148, 176, 160, 0.15) 0%, transparent 45%);

  background-attachment: fixed;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: var(--base-size);
  line-height: 1.8;
  padding: 2.5rem 1rem;
  overflow-x: hidden;
}

/* CSS Grid layout */
.page-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: var(--grid-layout);
  gap: var(--grid-gap);
}

/* Intro section */
section.intro {
  grid-column: 1 / -1;
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 3.5rem 2rem;
  box-shadow: var(--soft-shadow);
  text-align: center;
}

/* Main title */
header[role="banner"] h1 {
  font-family: var(--font-serif);
  font-size: var(--heading-large);
  color: var(--soft-sakura);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

/* Subtitle */
header[role="banner"] h2 {
  font-size: 1.25rem;
  color: var(--sage-stem);
  font-weight: 400;
  font-style: italic;
  margin-bottom: 1.5rem;
}

/* Intro paragraph */
.summary {
  max-width: 680px;
  margin: 0 auto;
  color: var(--text-muted);
}

/* Main content area */
.main.supporting {
  display: grid;
  gap: 2rem;
}

/* Card style for each section */
.main.supporting > div {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--soft-shadow);
  transition: var(--gentle-transition);
  position: relative;
}

/* Lift card on hover */
.main.supporting > div:hover {
  transform: translateY(-6px);
  border-color: var(--blush-pink);
  box-shadow: 0 18px 40px rgba(247, 202, 208, 0.3);
}

/* Style section headings */
.main h3 {
  font-family: var(--font-serif);
  font-size: var(--heading-medium);
  color: var(--text-main);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
}

/* Add a flower before each heading */
.main h3::before {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  background: var(--gold-pollen);
  border-radius: 50%;
  margin-right: 20px;
  position: relative;
  flex-shrink: 0;

  box-shadow:
    0 -10px 0 4px var(--blush-pink),
    10px 0 0 4px var(--blush-pink),
    0 10px 0 4px var(--blush-pink),
    -10px 0 0 4px var(--blush-pink),
    0 0 0 2px var(--petal-white);

  transform: scale(0.5) rotate(0deg);
  opacity: 0.75;
  transition: transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.5s ease;
}

/* Animate the flower on hover */
.main.supporting > div:hover h3::before {
  transform: scale(1.15) rotate(180deg);
  opacity: 1;
}

/* Hide extra decorative divs */
.extra5,
.extra6 {
  display: none;
}

/* Floating cherry blossoms */
.extra1,
.extra2,
.extra3,
.extra4 {
  position: fixed;
  width: 22px;
  height: 22px;
  background: var(--gold-pollen);
  border-radius: 50%;

  /* Don't block mouse clicks */
  pointer-events: none;

  z-index: 100;

  box-shadow:
    0 -26px 0 10px var(--blush-pink),
    26px 0 0 10px var(--blush-pink),
    0 26px 0 10px var(--blush-pink),
    -26px 0 0 10px var(--blush-pink),
    -18px -18px 0 8px var(--petal-white),
    18px -18px 0 8px var(--petal-white),
    18px 18px 0 8px var(--petal-white),
    -18px 18px 0 8px var(--petal-white);

  animation: cherryBlossomDrift 14s infinite linear;
}

/* Starting positions */
.extra1 {
  top: -10%;
  left: 15%;
  animation-delay: 0s;
}

.extra2 {
  top: -10%;
  right: 20%;
  animation-delay: 3.5s;
}

.extra3 {
  top: -10%;
  left: 45%;
  animation-delay: 7s;
}

.extra4 {
  top: -10%;
  right: 8%;
  animation-delay: 10.5s;
}

/* Falling blossom animation */
@keyframes cherryBlossomDrift {
  0% {
    transform: translateY(0) translateX(0) scale(0.3) rotate(0deg);
    opacity: 0;
  }
  15% {
    transform: translateY(12vh) translateX(30px) scale(0.95) rotate(45deg);
    opacity: 0.85;
  }
  50% {
    transform: translateY(45vh) translateX(-40px) scale(1.1) rotate(180deg);
    opacity: 0.9;
  }
  85% {
    transform: translateY(80vh) translateX(25px) scale(0.9) rotate(300deg);
    opacity: 0.6;
  }
  100% {
    transform: translateY(110vh) translateX(-20px) scale(0.5) rotate(360deg);
    opacity: 0;
  }
}

/* Sidebar cards */
aside.sidebar .wrapper > div {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--soft-shadow);
}

/* Sidebar headings */
aside.sidebar h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--sage-stem);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

/* Remove list bullets */
aside.sidebar ul {
  list-style: none;
}

/* Space between list items */
aside.sidebar li {
  margin-bottom: 0.85rem;
}

/* Style links */
a {
  color: var(--sage-stem);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

/* Change color on hover */
a:hover {
  color: var(--soft-sakura);
}

/* Animated underline */
a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -2px;
  left: 0;
  background: var(--soft-sakura);
  transition: width 0.3s ease;
}

a:hover::after {
  width: 100%;
}

/* Footer */
footer {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 2.5rem 0;
  margin-top: 2rem;
}

/* Footer links */
footer a {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 0.65rem 1.5rem;
  border-radius: 30px;
  font-size: 0.85rem;
}

/* Footer hover effect */
footer a:hover {
  background: var(--blush-pink);
  color: #ffffff;
  border-color: var(--blush-pink);
}