/* Chaithra Shetty — Personal site styles */
@import url("https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Poppins:wght@300;400;500;600&display=swap");

:root {
  --font-display: "Playfair Display", Georgia, serif;
  --font-body: "Poppins", system-ui, sans-serif;
  --cream: #fef8f4;
  --blush: #f8e1e8;
  --lavender: #e8def8;
  --rose: #f4c4d4;
  --deep-rose: #c77b9b;
  --text: #3d3545;
  --text-muted: #6b6178;
  --glass: rgba(255, 255, 255, 0.45);
  --glass-border: rgba(255, 255, 255, 0.65);
  --shadow: 0 8px 32px rgba(199, 123, 155, 0.12);
  --shadow-hover: 0 16px 48px rgba(199, 123, 155, 0.2);
  --nav-height: 4.25rem;
}

[data-theme="dark"] {
  --cream: #1a1520;
  --blush: #2a2230;
  --lavender: #252030;
  --rose: #3d2f42;
  --deep-rose: #e8a4c4;
  --text: #f5eef2;
  --text-muted: #b8a8bc;
  --glass: rgba(40, 32, 48, 0.55);
  --glass-border: rgba(255, 255, 255, 0.12);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.45);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--text);
  background: var(--cream);
  line-height: 1.65;
  overflow-x: hidden;
  transition: background 0.45s ease, color 0.35s ease;
}

/* Ambient gradient background */
.bg-gradient {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 120% 80% at 10% 20%, rgba(248, 225, 232, 0.9) 0%, transparent 50%),
    radial-gradient(ellipse 100% 70% at 90% 10%, rgba(232, 222, 248, 0.85) 0%, transparent 45%),
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(254, 248, 244, 1) 0%, var(--cream) 100%);
  transition: opacity 0.5s ease;
}

[data-theme="dark"] .bg-gradient {
  background:
    radial-gradient(ellipse 120% 80% at 10% 20%, rgba(60, 45, 70, 0.6) 0%, transparent 50%),
    radial-gradient(ellipse 100% 70% at 90% 10%, rgba(50, 40, 65, 0.55) 0%, transparent 45%),
    linear-gradient(180deg, #1a1520 0%, #221a28 100%);
}

/* Floating hearts & sparkles */
.floating-layer {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.float-item {
  position: absolute;
  font-size: 1rem;
  opacity: 0.35;
  animation: floatUp linear infinite;
  will-change: transform, opacity;
}

[data-theme="dark"] .float-item {
  opacity: 0.2;
}

@keyframes floatUp {
  0% {
    transform: translateY(100vh) rotate(0deg) scale(0.6);
    opacity: 0;
  }
  10% {
    opacity: 0.5;
  }
  90% {
    opacity: 0.4;
  }
  100% {
    transform: translateY(-20vh) rotate(360deg) scale(1);
    opacity: 0;
  }
}

.sparkle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--deep-rose);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--rose);
  animation: twinkle 3s ease-in-out infinite;
}

@keyframes twinkle {
  0%,
  100% {
    opacity: 0.2;
    transform: scale(0.8);
  }
  50% {
    opacity: 1;
    transform: scale(1.2);
  }
}

/* Navigation */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  transition: background 0.35s ease, border-color 0.35s ease;
}

@media (min-width: 901px) {
  .site-nav {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
  }

  .nav-brand {
    justify-self: start;
  }

  .nav-links {
    justify-self: center;
  }

  .nav-actions {
    justify-self: end;
  }
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 2vw, 1.5rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.25s ease, transform 0.2s ease;
}

.nav-links a:hover {
  color: var(--deep-rose);
  transform: translateY(-1px);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.icon-btn {
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  background: var(--glass);
  color: var(--text);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 1rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.icon-btn:hover {
  transform: scale(1.06);
  box-shadow: var(--shadow-hover);
}

.icon-btn[aria-pressed="true"] {
  background: rgba(244, 196, 212, 0.35);
  color: var(--deep-rose);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  order: 2;
  margin-left: auto;
}

@media (min-width: 901px) {
  .nav-toggle {
    display: none !important;
    margin-left: 0;
  }
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s ease;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .nav-actions {
    order: 3;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 1.5rem;
    background: var(--glass);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    gap: 1rem;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.35s ease, opacity 0.35s ease, visibility 0.35s;
  }

  .nav-links.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

/* Sections */
section {
  padding: clamp(4rem, 10vw, 6rem) clamp(1.25rem, 5vw, 3rem);
  max-width: 1120px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--deep-rose);
  margin-bottom: 0.75rem;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.section-label.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 600;
  margin: 0 0 1.5rem;
  line-height: 1.2;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.75s ease 0.08s, transform 0.75s ease 0.08s;
}

.section-title.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: var(--nav-height);
  position: relative;
}

.hero-inner {
  max-width: 720px;
  padding: 2rem 1.25rem;
}

.hero-profile-wrap {
  margin-bottom: 2rem;
  opacity: 0;
  transform: scale(0.92);
  animation: heroIn 1s ease 0.2s forwards;
}

@keyframes heroIn {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.hero-profile {
  width: clamp(160px, 38vw, 220px);
  height: clamp(160px, 38vw, 220px);
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid rgba(255, 255, 255, 0.9);
  box-shadow:
    0 0 0 8px rgba(244, 196, 212, 0.35),
    0 0 60px rgba(199, 123, 155, 0.35),
    var(--shadow);
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.hero-profile:hover {
  transform: scale(1.03);
  box-shadow:
    0 0 0 10px rgba(244, 196, 212, 0.45),
    0 0 80px rgba(199, 123, 155, 0.45),
    var(--shadow-hover);
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 700;
  margin: 0 0 0.75rem;
  background: linear-gradient(135deg, var(--deep-rose) 0%, #9b7bb8 50%, var(--deep-rose) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 8s ease infinite, heroFade 1s ease 0.4s both;
}

[data-theme="dark"] .hero-name {
  background: linear-gradient(135deg, #f0c4d8 0%, #c4a8e8 50%, #f0c4d8 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
}

@keyframes shimmer {
  0%,
  100% {
    background-position: 0% center;
  }
  50% {
    background-position: 100% center;
  }
}

@keyframes heroFade {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  font-weight: 400;
  color: var(--text-muted);
  margin: 0;
  animation: heroFade 1s ease 0.55s both;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  animation: bounce 2.5s ease infinite;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(8px);
  }
}

/* About */
.about-card {
  background: var(--glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: clamp(1.75rem, 4vw, 2.5rem);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease, box-shadow 0.35s ease;
}

.about-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.about-card:hover {
  box-shadow: var(--shadow-hover);
}

.about-text {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin: 0 0 1.75rem;
  max-width: 62ch;
}

.traits {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.trait-pill {
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  background: linear-gradient(135deg, rgba(244, 196, 212, 0.45), rgba(232, 222, 248, 0.5));
  border: 1px solid var(--glass-border);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.trait-pill:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

[data-theme="dark"] .trait-pill {
  background: linear-gradient(135deg, rgba(80, 60, 90, 0.6), rgba(60, 50, 80, 0.5));
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
}

@media (min-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
}

.gallery-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 18px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
  opacity: 0;
  transform: scale(0.96);
  transition: opacity 0.6s ease, transform 0.6s ease, box-shadow 0.35s ease;
}

.gallery-item.is-visible {
  opacity: 1;
  transform: scale(1);
}

.gallery-item:nth-child(1) {
  transition-delay: 0.04s;
}
.gallery-item:nth-child(2) {
  transition-delay: 0.1s;
}
.gallery-item:nth-child(3) {
  transition-delay: 0.16s;
}
.gallery-item:nth-child(4) {
  transition-delay: 0.22s;
}
.gallery-item:nth-child(5) {
  transition-delay: 0.28s;
}
.gallery-item:nth-child(6) {
  transition-delay: 0.34s;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s cubic-bezier(0.33, 1, 0.68, 1);
}

.gallery-item:hover img {
  transform: scale(1.12);
}

.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(61, 53, 69, 0.35), transparent 50%);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.gallery-item:hover::after {
  opacity: 1;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(26, 21, 32, 0.88);
  backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: min(90vw, 900px);
  max-height: 85vh;
  border-radius: 16px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
  transform: scale(0.92);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.lightbox.is-open img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 3rem;
  height: 3rem;
  border: none;
  border-radius: 50%;
  background: var(--glass);
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  transition: transform 0.2s ease, background 0.2s ease;
}

.lightbox-close:hover {
  transform: rotate(90deg);
  background: rgba(255, 255, 255, 0.25);
}

/* Interests */
.interests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.25rem;
}

.interest-card {
  background: var(--glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 1.75rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition:
    transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.35s ease,
    opacity 0.55s ease;
  opacity: 0;
  transform: translateY(20px);
}

.interest-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.interest-card:nth-child(1) {
  transition-delay: 0.05s;
}
.interest-card:nth-child(2) {
  transition-delay: 0.1s;
}
.interest-card:nth-child(3) {
  transition-delay: 0.15s;
}
.interest-card:nth-child(4) {
  transition-delay: 0.2s;
}
.interest-card:nth-child(5) {
  transition-delay: 0.25s;
}

.interest-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.interest-icon {
  width: 3.5rem;
  height: 3.5rem;
  margin: 0 auto 1rem;
  display: grid;
  place-items: center;
  font-size: 1.75rem;
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(244, 196, 212, 0.5), rgba(232, 222, 248, 0.55));
  transition: transform 0.35s ease;
}

.interest-card:hover .interest-icon {
  transform: scale(1.1) rotate(-5deg);
}

.interest-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 0 0 0.35rem;
  font-weight: 600;
}

.interest-card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Social */
.social-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  background: var(--glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease, color 0.25s ease;
}

.social-link i {
  font-size: 1.35rem;
  transition: filter 0.3s ease, transform 0.3s ease;
}

.social-link:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 28px rgba(199, 123, 155, 0.45), var(--shadow-hover);
  color: var(--deep-rose);
}

.social-link:hover i {
  transform: scale(1.15);
  filter: drop-shadow(0 0 8px rgba(199, 123, 155, 0.8));
}

.social-link--ig:hover {
  color: #e4405f;
}
.social-link--snap:hover {
  color: #fffc00;
}
.social-link--wa:hover {
  color: #25d366;
}

/* Contact */
.contact-wrap {
  max-width: 520px;
  margin: 0 auto;
}

.contact-form {
  background: var(--glass);
  backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: clamp(1.75rem, 4vw, 2.25rem);
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.45rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  font-family: var(--font-body);
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.35);
  color: var(--text);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea {
  background: rgba(40, 32, 48, 0.5);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--deep-rose);
  box-shadow: 0 0 0 3px rgba(199, 123, 155, 0.2);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.btn-send {
  width: 100%;
  padding: 1rem 1.5rem;
  border: none;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(135deg, var(--deep-rose), #9b7bb8);
  background-size: 200% auto;
  box-shadow: 0 8px 28px rgba(199, 123, 155, 0.4);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-position 0.5s ease;
}

.btn-send:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(199, 123, 155, 0.5);
  background-position: right center;
}

.btn-send:active {
  transform: translateY(0);
}

.form-note {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  min-height: 1.5em;
}

.form-note.success {
  color: var(--deep-rose);
  font-weight: 500;
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 2.5rem 1.25rem 3rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--text-muted);
  border-top: 1px solid var(--glass-border);
  margin-top: 2rem;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .float-item {
    display: none;
  }
}