/* ========================================
   0. CSS CUSTOM PROPERTIES
   ======================================== */

:root {
  /* Colours */
  --color-bg: #FAFAFA;
  --color-bg-alt: #F2F0ED;
  --color-surface: #FFFFFF;
  --color-text: #1A1A1A;
  --color-text-secondary: #6B6B6B;
  --color-text-tertiary: #999999;
  --color-accent: #B8976A;
  --color-accent-light: #D4BF9A;
  --color-border: #E5E2DE;
  --color-overlay: rgba(10, 10, 10, 0.92);

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --font-size-xs: 0.8125rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.5rem;
  --font-size-xl: 2rem;
  --font-size-2xl: 2.5rem;
  --font-size-3xl: 3rem;
  --font-size-hero: clamp(2.5rem, 5vw, 4.5rem);
  --line-height-tight: 1.1;
  --line-height-normal: 1.6;
  --letter-spacing-nav: 0.12em;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 600ms ease;

  /* Layout */
  --max-width: 1200px;
  --max-width-wide: 1400px;
  --max-width-narrow: 720px;
  --nav-height: 80px;
}


/* ========================================
   1. RESET & BASE
   ======================================== */

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

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

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

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

a {
  color: inherit;
  text-decoration: none;
}

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

ul, ol {
  list-style: none;
}

input, textarea {
  font: inherit;
  color: inherit;
}


/* ========================================
   2. TYPOGRAPHY
   ======================================== */

h1, h2, h3 {
  font-weight: 400;
  line-height: var(--line-height-tight);
}

h1 {
  font-family: var(--font-heading);
  font-size: var(--font-size-hero);
}

h2 {
  font-family: var(--font-body);
  font-size: var(--font-size-lg);
  font-weight: 300;
  letter-spacing: 0.02em;
}

h3 {
  font-family: var(--font-body);
  font-size: var(--font-size-md);
  font-weight: 500;
}

p {
  margin-bottom: var(--space-lg);
}

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

.text-link {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-underline-offset: 4px;
  transition: text-decoration-color var(--transition-fast);
}

.text-link:hover {
  text-decoration-color: var(--color-text);
}


/* ========================================
   3. LAYOUT UTILITIES
   ======================================== */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

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

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

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

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  z-index: 1000;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-text);
  color: var(--color-bg);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-sm);
}

.section {
  padding-block: var(--space-3xl);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-2xl);
  }

  .section {
    padding-block: var(--space-4xl);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-inline: var(--space-3xl);
  }

  .section {
    padding-block: var(--space-5xl);
  }
}


/* ========================================
   4. HEADER & NAVIGATION
   ======================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.site-header--scrolled {
  background-color: rgba(250, 250, 250, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width-wide);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: 'Oswald', sans-serif;
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-decoration: none;
}

.site-logo__mark {
  height: 28px;
  width: auto;
}

.site-logo--stacked {
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  font-family: 'Oswald', sans-serif;
  font-weight: 500;
  text-transform: uppercase;
  font-size: 1.99rem;
  line-height: 0.95;
  letter-spacing: -0.035em;
  color: rgba(128, 128, 128, 0.8);
}

.site-logo__name-line {
  display: block;
}

.site-logo__name-line--sub {
  color: rgba(0, 0, 0, 0.8);
}

.page-title--filter {
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-nav);
}

.site-nav {
  display: none;
}

.nav-list {
  display: flex;
  gap: var(--space-xl);
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-nav);
  text-decoration: none;
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-fast);
}

.nav-link:hover {
  border-bottom-color: var(--color-border);
}

.nav-link--active {
  border-bottom-color: var(--color-accent);
}

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 32px;
  height: 32px;
  padding: 4px;
}

.menu-bar {
  display: block;
  width: 100%;
  height: 1.5px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-fast);
  transform-origin: center;
}

.mobile-menu-toggle[aria-expanded="true"] .menu-bar:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .menu-bar:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

@media (min-width: 768px) {
  .site-nav {
    display: block;
  }

  .mobile-menu-toggle {
    display: none;
  }
}

/* Mobile nav overlay */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 99;
  background-color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.mobile-nav-list {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.mobile-nav-link {
  font-family: 'Oswald', sans-serif;
  font-weight: 500;
  font-size: var(--font-size-2xl);
  text-transform: uppercase;
  letter-spacing: -0.035em;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--color-accent);
}


/* ========================================
   5. HERO
   ======================================== */

.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: var(--nav-height);
}

.hero__image-wrapper {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__image-wrapper::after {
  content: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding-bottom: 32px;
  text-align: left;
  display: flex;
  justify-content: flex-start;
}

.hero__name {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 0;
}

.hero__name-line {
  display: block;
  font-family: 'Oswald', sans-serif;
  font-size: clamp(3rem, 8.4vw, 6rem);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(200, 195, 190, 0.95);
  margin-bottom: 0;
}

.hero__name-line:first-child {
  letter-spacing: -0.035em;
}

.hero__name-line:nth-child(2) {
  letter-spacing: -0.035em;
}

.hero__name-line--sub {
  color: rgba(245, 240, 235, 1);
  margin-top: 0;
  margin-bottom: 0;
}

h1.hero__tagline {
  font-family: 'Poppins', sans-serif;
  font-weight: 300;
  font-size: clamp(0.9rem, 2.2vw, 1.35rem);
  line-height: 1.2;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: linear-gradient(
    135deg,
    #BF953F 0%,
    #FCF6BA 25%,
    #B38728 50%,
    #FBF5B7 75%,
    #AA771C 100%
  );
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
  max-width: 100%;
  margin-bottom: 0;
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-hint__line {
  display: block;
  width: 1px;
  height: 40px;
  background-color: var(--color-text);
  opacity: 0.3;
  animation: scrollHint 2s ease-in-out infinite;
}

@keyframes scrollHint {
  0% {
    opacity: 0.3;
    transform: scaleY(0);
    transform-origin: top;
  }
  50% {
    opacity: 0.3;
    transform: scaleY(1);
    transform-origin: top;
  }
  50.1% {
    transform-origin: bottom;
  }
  100% {
    opacity: 0;
    transform: scaleY(0);
    transform-origin: bottom;
  }
}


/* ========================================
   6. PORTFOLIO / GALLERY
   ======================================== */

.gallery {
  padding-block: var(--space-3xl);
}

.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.filter-btn {
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-nav);
  color: var(--color-text-secondary);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

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

.filter-btn--active {
  color: var(--color-text);
  border-bottom-color: var(--color-accent);
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
}

.gallery-item {
  overflow: hidden;
}

.gallery-item.is-hidden {
  display: none;
}

.gallery-item__trigger {
  display: block;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.gallery-item__trigger::after {
  content: '';
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0);
  transition: background-color var(--transition-base);
}

.gallery-item__trigger:hover::after {
  background-color: rgba(0, 0, 0, 0.06);
}

.gallery-item__placeholder {
  width: 100%;
  background-color: var(--color-bg-alt);
}

.gallery-item__image {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item__trigger:hover .gallery-item__image {
  transform: scale(1.03);
}

/* Live region for filter announcements */
.gallery-live {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

@media (min-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery {
    padding-block: var(--space-4xl);
  }
}

@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .gallery {
    padding-block: var(--space-5xl);
  }
}


/* ========================================
   6b. LIGHTBOX
   ======================================== */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background-color: var(--color-overlay);
}

.lightbox__content {
  position: relative;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__image {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.lightbox__image.is-loaded {
  opacity: 1;
}

.lightbox__caption {
  display: none;
}

.lightbox__close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: 201;
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.8);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

.lightbox__close:hover {
  color: #fff;
}

.lightbox__prev,
.lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 201;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-lg);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

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

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

.lightbox__prev:hover,
.lightbox__next:hover {
  color: #fff;
}


/* ========================================
   7. ABOUT PAGE
   ======================================== */

.page-title {
  margin-bottom: var(--space-3xl);
}

.about-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
}

.about__portrait-placeholder {
  width: 100%;
  aspect-ratio: 4 / 5;
  background-color: var(--color-bg-alt);
}

.about__portrait {
  overflow: hidden;
}

.about__portrait-image {
  width: 135%;
  margin-left: -10%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 40% top;
}

.about__services-heading {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-xs);
}

.services-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}

/* Testimonials */
.testimonials {
  padding-block: var(--space-3xl);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-3xl);
}

.testimonials__heading {
  margin-bottom: var(--space-2xl);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

.testimonial__quote {
  font-style: italic;
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.testimonial__name {
  font-weight: 500;
  font-size: var(--font-size-sm);
}

.testimonial__role {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

@media (min-width: 768px) {
  .about-layout {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
  }

  .testimonials__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}


/* ========================================
   8. CONTACT PAGE
   ======================================== */

.contact__intro {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

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

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-nav);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-sm) 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-bottom-width: 2px;
  border-bottom-color: var(--color-accent);
}

.form-input[aria-invalid="true"],
.form-textarea[aria-invalid="true"] {
  border-bottom-color: #c44;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  font-size: var(--font-size-xs);
  color: #c44;
}

.form-submit {
  align-self: flex-start;
  padding: var(--space-md) var(--space-2xl);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-nav);
  background-color: var(--color-text);
  color: var(--color-bg);
  border: 1px solid var(--color-text);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.form-submit:hover {
  background-color: transparent;
  color: var(--color-text);
}

.form-success {
  padding: var(--space-xl);
  text-align: center;
  color: var(--color-text-secondary);
}

.contact__fallback {
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

.contact__social {
  margin-top: var(--space-lg);
  display: flex;
  gap: var(--space-xl);
}


/* ========================================
   9. FOOTER
   ======================================== */

.site-footer {
  padding-block: var(--space-3xl);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-4xl);
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width-wide);
}

.footer-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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


/* ========================================
   10. ANIMATIONS & TRANSITIONS
   ======================================== */

[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Body scroll lock */
body.no-scroll {
  overflow: hidden;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}