/* ========================================
   RICHARD — Photography Portfolio
   Design System & Global Styles
   ======================================== */

/* Google Fonts */
@import url("https://fonts.googleapis.com/css2?family=Italiana&family=Montserrat:wght@300;400;500;600&display=swap");

/* ── CSS Custom Properties ── */
:root {
  --clr-bg: #0e0e0e;
  --clr-bg-alt: #161616;
  --clr-surface: #1c1c1c;
  --clr-text: #f5f3f0;
  --clr-text-muted: #a09e9a;
  --clr-accent: #c9a96e;
  --clr-accent-soft: rgba(201, 169, 110, 0.15);
  --clr-overlay: rgba(0, 0, 0, 0.55);
  --clr-border: rgba(255, 255, 255, 0.08);

  --ff-heading: "Italiana", serif;
  --ff-body: "Montserrat", sans-serif;

  --fs-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
  --fs-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.9rem);
  --fs-base: clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
  --fs-lg: clamp(1.1rem, 1rem + 0.5vw, 1.3rem);
  --fs-xl: clamp(1.5rem, 1.2rem + 1vw, 2rem);
  --fs-2xl: clamp(2rem, 1.5rem + 2vw, 3.5rem);
  --fs-hero: clamp(3rem, 2rem + 5vw, 7rem);

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.25s ease;
  --radius: 2px;
  --max-width: 1400px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  font-weight: 300;
  color: var(--clr-text);
  background-color: var(--clr-bg);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

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

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

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

/* ── Page Load Animation ── */
.page-wrapper {
  opacity: 0;
  transform: translateY(12px);
  animation: fadeInUp 0.8s ease forwards;
}

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

/* ========================================
   NAVIGATION
   ======================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition:
    background var(--transition),
    padding var(--transition);
}

.nav.scrolled {
  background: rgba(14, 14, 14, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-bottom: 1px solid var(--clr-border);
}

.nav__logo {
  font-family: var(--ff-heading);
  font-size: var(--fs-xl);
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--clr-text);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  list-style: none;
}

.nav__link {
  font-size: var(--fs-xs);
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  position: relative;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--clr-accent);
  transition: width var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--clr-text);
}

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

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 28px;
  padding: 4px 0;
  z-index: 1001;
}

.hamburger__line {
  width: 100%;
  height: 1.5px;
  background: var(--clr-text);
  transition:
    transform var(--transition-fast),
    opacity var(--transition-fast);
  transform-origin: center;
}

.hamburger.open .hamburger__line:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.hamburger.open .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger.open .hamburger__line:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* Mobile Nav Overlay */
.nav__overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(14, 14, 14, 0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
}

.nav__overlay.open {
  display: flex;
}

.nav__overlay a {
  font-family: var(--ff-heading);
  font-size: var(--fs-2xl);
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  transition: color var(--transition-fast);
}

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

/* ========================================
   HERO SECTION (Home)
   ======================================== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.5);
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from {
    transform: scale(1.05);
  }
  to {
    transform: scale(1.12);
  }
}

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

.hero__name {
  font-family: var(--ff-heading);
  font-size: var(--fs-hero);
  font-weight: 300;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--clr-text);
  line-height: 1.1;
  margin-bottom: var(--spacing-sm);
}

.hero__tagline {
  font-family: var(--ff-body);
  font-size: var(--fs-sm);
  font-weight: 300;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
}

.hero__scroll {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--clr-text-muted);
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: floatDown 2s ease-in-out infinite;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--clr-text-muted), transparent);
}

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

/* ========================================
   GALLERY PAGE
   ======================================== */
.gallery-page {
  padding-top: 140px;
  padding-bottom: var(--spacing-xl);
  min-height: 100vh;
}

.gallery-page__header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding: 0 var(--spacing-md);
}

.gallery-page__title {
  font-family: var(--ff-heading);
  font-size: var(--fs-2xl);
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-text);
  margin-bottom: var(--spacing-xs);
}

.gallery-page__subtitle {
  font-size: var(--fs-sm);
  font-weight: 300;
  color: var(--clr-text-muted);
  letter-spacing: 0.1em;
}

.gallery-page__divider {
  width: 60px;
  height: 1px;
  background: var(--clr-accent);
  margin: var(--spacing-md) auto 0;
}

.gallery-page__description {
  max-width: 700px;
  margin: var(--spacing-lg) auto 0;
  font-size: var(--fs-base);
  color: var(--clr-text-muted);
  line-height: 1.8;
}

/* Masonry Grid */
.gallery-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  columns: 3;
  column-gap: var(--spacing-sm);
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: var(--spacing-sm);
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  display: block;
  transition:
    transform var(--transition),
    filter var(--transition);
}

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

.gallery-item__overlay svg {
  width: 32px;
  height: 32px;
  color: var(--clr-text);
  opacity: 0;
  transform: scale(0.8);
  transition:
    opacity var(--transition),
    transform var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.06);
  filter: brightness(0.7);
}

.gallery-item:hover .gallery-item__overlay {
  background: rgba(0, 0, 0, 0.3);
}

.gallery-item:hover .gallery-item__overlay svg {
  opacity: 1;
  transform: scale(1);
}

/* Photo Stack Aesthetics */
.gallery-stack {
  position: relative;
  z-index: 1;
}

.gallery-stack::before,
.gallery-stack::after {
  content: "";
  position: absolute;
  inset: 0;
  background-color: var(--clr-surface);
  border: 4px solid var(--clr-bg);
  border-radius: var(--radius);
  z-index: -1;
  transition: transform var(--transition);
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  pointer-events: none;
}

.gallery-stack::before {
  transform: rotate(-3deg) scale(0.96) translate(-2px, -2px);
  transform-origin: bottom left;
}

.gallery-stack::after {
  transform: rotate(3deg) scale(0.96) translate(2px, -2px);
  transform-origin: bottom right;
}

.gallery-stack:hover::before {
  transform: rotate(-6deg) scale(0.94) translate(-6px, -6px);
}

.gallery-stack:hover::after {
  transform: rotate(6deg) scale(0.94) translate(6px, -6px);
}

/* Keep main image dominant */
.gallery-stack img {
  position: relative;
  z-index: 2;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}

/* ========================================
   LIGHTBOX
   ======================================== */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  cursor: zoom-out;
}

.lightbox.open {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius);
  animation: lightboxIn 0.3s ease;
}

@keyframes lightboxIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.lightbox__close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-text);
  font-size: 1.5rem;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.lightbox__close:hover {
  transform: rotate(90deg);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-text);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color var(--transition-fast);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.lightbox__nav:hover {
  color: var(--clr-accent);
  background: rgba(255, 255, 255, 0.1);
}

.lightbox__prev {
  left: var(--spacing-md);
}
.lightbox__next {
  right: var(--spacing-md);
}

/* ========================================
   POLAROID SCATTER OVERLAY
   ======================================== */
.scatter-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1900;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
}

.scatter-overlay.open {
  display: block;
  animation: scatterFadeIn 0.3s ease;
}

@keyframes scatterFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.scatter-overlay__close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-text);
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 10;
  transition: transform var(--transition-fast);
}

.scatter-overlay__close:hover {
  transform: rotate(90deg);
}

.scatter-overlay__title {
  position: absolute;
  top: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--ff-heading);
  font-size: var(--fs-xl);
  color: var(--clr-text);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  z-index: 10;
  text-align: center;
  opacity: 0.7;
}

.scatter-overlay__container {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scatter-polaroid {
  position: absolute;
  background: #f5f3f0;
  padding: 10px 10px 40px 10px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6), 0 2px 8px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.3s ease,
              z-index 0s;
  will-change: transform;
}

.scatter-polaroid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.scatter-polaroid:hover {
  transform: scale(1.15) rotate(0deg) !important;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.7), 0 0 0 2px var(--clr-accent);
  z-index: 100 !important;
}

.scatter-polaroid::after {
  content: '';
  position: absolute;
  bottom: 10px;
  left: 10px;
  right: 10px;
  height: 1px;
  background: rgba(0, 0, 0, 0.08);
}

/* Entry animation for each polaroid */
@keyframes scatterDrop {
  0% {
    opacity: 0;
    transform: scale(0.3) rotate(0deg) translate(0, -100px);
  }
  60% {
    opacity: 1;
  }
  100% {
    opacity: 1;
  }
}

.scatter-polaroid.animate-in {
  animation: scatterDrop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* Responsive sizing */
@media (max-width: 768px) {
  .scatter-polaroid {
    padding: 6px 6px 24px 6px;
  }
}

/* ========================================
   CONTACT PAGE
   ======================================== */
.contact-page {
  padding-top: 140px;
  padding-bottom: var(--spacing-xl);
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.contact-container {
  max-width: 600px;
  width: 100%;
  padding: 0 var(--spacing-md);
  margin: 0 auto;
}

.contact-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.contact-header__title {
  font-family: var(--ff-heading);
  font-size: var(--fs-2xl);
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-xs);
}

.contact-header__subtitle {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: 1.8;
}

.contact-header__divider {
  width: 60px;
  height: 1px;
  background: var(--clr-accent);
  margin: var(--spacing-md) auto 0;
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-group label {
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
}

.form-group input,
.form-group textarea {
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  font-weight: 300;
  color: var(--clr-text);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: var(--spacing-sm) var(--spacing-md);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px var(--clr-accent-soft);
}

.form-group textarea {
  min-height: 160px;
  resize: vertical;
}

.form-submit {
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--clr-bg);
  background: var(--clr-accent);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius);
  transition:
    background var(--transition-fast),
    transform var(--transition-fast);
  align-self: center;
  margin-top: var(--spacing-sm);
}

.form-submit:hover {
  background: #b8953f;
  transform: translateY(-2px);
}

/* Social Links */
.social-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--clr-border);
}

.social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--clr-border);
  border-radius: 50%;
  color: var(--clr-text-muted);
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.social-link:hover {
  color: var(--clr-accent);
  border-color: var(--clr-accent);
  transform: translateY(-3px);
}

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

/* ========================================
   FOOTER
   ======================================== */
.footer {
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
  border-top: 1px solid var(--clr-border);
  margin-top: var(--spacing-xl);
}

.footer__text {
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.footer__text span {
  color: var(--clr-accent);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .gallery-grid {
    columns: 2;
  }
}

@media (max-width: 768px) {
  .nav {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .nav__links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .gallery-grid {
    columns: 1;
    padding: 0 var(--spacing-sm);
  }

  .gallery-page {
    padding-top: 100px;
  }

  .contact-page {
    padding-top: 100px;
  }

  .hero__name {
    letter-spacing: 0.2em;
  }

  .lightbox__prev,
  .lightbox__next {
    display: none;
  }
}