/* ============================================
   Amanda Sun — Personal Portfolio
   Musical Theatre / Acting
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  /* Colors */
  --color-bg: #faf9f7;
  --color-bg-alt: #f2efeb;
  --color-surface: #ffffff;
  --color-text: #2c2c2c;
  --color-text-light: #6b6b6b;
  --color-accent: #8b6f5e;
  --color-accent-light: #c4a98e;
  --color-border: #e0dbd5;
  --color-overlay: rgba(0, 0, 0, 0.55);

  /* Typography */
  --font-heading: 'Playfair Display', 'Georgia', serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
  --header-height: 72px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.25;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: 0.02em;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  letter-spacing: 0.01em;
}

h3 {
  font-size: clamp(1.3rem, 2vw, 1.6rem);
}

p {
  margin-bottom: 1em;
}

p:last-child {
  margin-bottom: 0;
}

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--space-2xl) 0;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.text-center {
  text-align: center;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: center;
  border: 1.5px solid var(--color-text);
  color: var(--color-text);
  background: transparent;
  transition: all var(--transition-base);
  cursor: pointer;
}

.btn:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

.btn--accent {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--accent:hover {
  background: var(--color-accent);
  color: #fff;
}

.btn--small {
  padding: 0.5rem 1.25rem;
  font-size: 0.78rem;
}

/* ---------- Header / Navigation ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(250, 249, 247, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--color-border);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
}

/* On hero pages, nav starts with light text */
.hero ~ .footer,
body:has(.hero) .header:not(.scrolled) .header__logo a,
body:has(.hero) .header:not(.scrolled) .header__nav a {
  color: #fff;
}

body:has(.hero) .header:not(.scrolled) .header__nav a {
  color: rgba(255, 255, 255, 0.8);
}

body:has(.hero) .header:not(.scrolled) .header__nav a:hover,
body:has(.hero) .header:not(.scrolled) .header__nav a.active {
  color: #fff;
}

body:has(.hero) .header:not(.scrolled) .header__hamburger span {
  background: #fff;
}

/* Inner pages (no hero) — always show solid header */
body:not(:has(.hero)) .header {
  background: rgba(250, 249, 247, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.header__logo a {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.header__nav a {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-light);
  position: relative;
  padding-bottom: 2px;
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.header__nav a:hover,
.header__nav a.active {
  color: var(--color-text);
}

.header__nav a:hover::after,
.header__nav a.active::after {
  width: 100%;
}

/* Mobile hamburger */
.header__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  z-index: 1001;
}

.header__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition-base);
  transform-origin: center;
}

.header__hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.header__hamburger.open span:nth-child(2) {
  opacity: 0;
}

.header__hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation Drawer */
.nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background: var(--color-bg);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transition: right var(--transition-slow);
}

.nav-drawer.open {
  right: 0;
}

.nav-drawer a {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--color-text);
  letter-spacing: 0.03em;
  transition: color var(--transition-fast);
}

.nav-drawer a:hover,
.nav-drawer a.active {
  color: var(--color-accent);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  overflow: hidden;
  background-color: var(--color-bg-alt);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.55) 0%,
    rgba(0, 0, 0, 0.15) 35%,
    rgba(0, 0, 0, 0) 60%
  );
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: left;
  color: #fff;
  padding: 0 var(--space-xl) 6rem;
  max-width: var(--container-max);
  width: 100%;
}

.hero__name {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 400;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-xs);
  color: rgba(255, 255, 255, 0.78);
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.15);
}

.hero__tagline {
  font-size: clamp(0.85rem, 1.5vw, 1.05rem);
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: var(--space-lg);
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: #fff;
  opacity: 0.7;
  animation: scrollBounce 2s ease-in-out infinite;
}

.hero__scroll svg {
  width: 24px;
  height: 24px;
}

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

/* ---------- Section Heading ---------- */
.section-heading {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-heading h2 {
  margin-bottom: var(--space-xs);
}

.section-heading .divider {
  width: 50px;
  height: 1.5px;
  background: var(--color-accent);
  margin: var(--space-sm) auto 0;
}

.section-heading p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-top: var(--space-sm);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- About / Bio ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-image {
  position: relative;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about-text h2 {
  margin-bottom: var(--space-md);
}

.about-text p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.8;
}

.about-text .subtitle {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.about-details {
  margin-top: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.about-details dt {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: 0.25rem;
}

.about-details dd {
  font-size: 0.95rem;
  color: var(--color-text);
}

/* ---------- Image Gallery / Grid ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 3 / 4;
  background: var(--color-bg-alt);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-base);
}

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

.gallery-item__overlay svg {
  width: 32px;
  height: 32px;
  color: #fff;
}

/* Gallery for production photos - wider aspect ratio */
.gallery-grid--wide .gallery-item {
  aspect-ratio: 4 / 3;
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox__content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}

.lightbox__content img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
}

.lightbox__close {
  position: absolute;
  top: -40px;
  right: 0;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-fast);
}

.lightbox__close:hover {
  opacity: 0.7;
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-fast);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.lightbox__nav:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox__nav--prev {
  left: var(--space-md);
}

.lightbox__nav--next {
  right: var(--space-md);
}

.lightbox__caption {
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  margin-top: var(--space-sm);
}

/* ---------- Resume Section ---------- */
.resume-section {
  text-align: center;
}

.resume-preview {
  margin: var(--space-lg) auto;
  max-width: 600px;
  border: 1px solid var(--color-border);
  padding: var(--space-sm);
  background: var(--color-surface);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
}

.resume-preview img {
  width: 100%;
}

.resume-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Portfolio / Productions ---------- */
.production-group {
  margin-bottom: var(--space-2xl);
}

.production-group:last-child {
  margin-bottom: 0;
}

.production-group__title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

.production-group__info {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact-info h3 {
  margin-bottom: var(--space-md);
}

.contact-info p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
}

.contact-info__item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.contact-info__item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-accent);
}

.social-links {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--color-border);
  border-radius: 50%;
  transition: all var(--transition-base);
}

.social-links a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.social-links a svg {
  width: 18px;
  height: 18px;
}

/* Form */
.contact-form .form-group {
  margin-bottom: var(--space-md);
}

.contact-form label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: 0.4rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-fast);
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--color-accent);
}

.contact-form textarea {
  min-height: 150px;
  resize: vertical;
}

.contact-form .btn {
  width: 100%;
}

/* Instagram embed block */
.instagram-embed {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0 auto;
  max-width: 480px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.07);
}

.instagram-embed .instagram-media {
  margin: 0 !important;
  min-width: 0 !important;
  max-width: 100% !important;
  width: 100% !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  background: var(--color-bg-alt) !important;
}

/* Hide the bottom "Instagram" attribution text inside embed */
.instagram-embed iframe {
  border-radius: 0 !important;
}

/* ---------- Footer ---------- */
.footer {
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer__name {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: var(--space-xs);
}

.footer__links {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-md);
}

.footer__links a {
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-text);
}

.footer__social {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.footer__social a {
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

.footer__social a:hover {
  color: var(--color-accent);
}

.footer__social a svg {
  width: 20px;
  height: 20px;
}

.footer__copy {
  font-size: 0.78rem;
  color: var(--color-text-light);
}

/* ---------- Page Header (inner pages) ---------- */
.page-header {
  padding-top: calc(var(--header-height) + var(--space-2xl));
  padding-bottom: var(--space-xl);
  text-align: center;
  background-color: var(--color-bg-alt);
}

.page-header h1 {
  margin-bottom: var(--space-xs);
}

.page-header .divider {
  width: 50px;
  height: 1.5px;
  background: var(--color-accent);
  margin: var(--space-sm) auto 0;
}

.page-header p {
  color: var(--color-text-light);
  max-width: 480px;
  margin: var(--space-sm) auto 0;
  font-size: 0.95rem;
}

/* ---------- Fade In Animation ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .about-grid {
    gap: var(--space-lg);
  }

  .contact-grid {
    gap: var(--space-lg);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .header__nav {
    display: none;
  }

  .header__hamburger {
    display: flex;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .about-image {
    max-width: 400px;
    margin: 0 auto;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: var(--space-xl) 0;
  }

  .page-header {
    padding-top: calc(var(--header-height) + var(--space-xl));
  }

  .footer__links {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }
}

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .hero__content {
    padding: 0 var(--space-md) 5rem;
  }

  .hero__name {
    font-size: 2.5rem;
  }

  .hero__tagline {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
  }

  .lightbox__nav {
    width: 36px;
    height: 36px;
    font-size: 1.2rem;
  }

  .lightbox__nav--prev {
    left: var(--space-xs);
  }

  .lightbox__nav--next {
    right: var(--space-xs);
  }
}