/* ============================================
   P A Designs Architects - One-page site
   ============================================ */

:root {
  --color-ink: #1a1a1a;
  --color-ink-soft: #3d3d3d;
  --color-muted: #6b6b6b;
  --color-line: #e5e1da;
  --color-cream: #f7f5f1;
  --color-cream-dark: #efebe4;
  --color-white: #ffffff;
  --color-accent: #8a7a5c;
  --color-accent-dark: #6f6249;
  --color-overlay: rgba(18, 18, 18, 0.55);

  --font-serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-sans: "Outfit", system-ui, -apple-system, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  --container: 1120px;
  --radius: 4px;
  --header-h: 80px;
  --transition: 0.3s ease;
  --shadow: 0 20px 50px rgba(26, 26, 26, 0.08);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-ink-soft);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

button,
input,
textarea {
  font: inherit;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-ink);
  color: var(--color-white);
  padding: 0.75rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  color: var(--color-ink);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.5rem, 5.5vw, 4.25rem);
  font-weight: 500;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-sm);
}

h3 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.lead {
  font-size: 1.15rem;
  color: var(--color-muted);
  margin-bottom: var(--space-md);
}

.section-intro {
  max-width: 36rem;
  color: var(--color-muted);
  margin-inline: auto;
}

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

.section-header h2 {
  margin-bottom: var(--space-sm);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-ink);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.65);
  color: var(--color-white);
  background: transparent;
}

.btn-outline:hover {
  background: var(--color-white);
  color: var(--color-ink);
  border-color: var(--color-white);
}

.btn-full {
  width: 100%;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-line);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
}

.header-inner {
  width: min(100% - 2rem, 1200px);
  margin-inline: auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo {
  height: 56px;
  width: auto;
  object-fit: contain;
  background: transparent;
}

.site-nav .nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem 1.75rem;
}

.site-nav a {
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--color-ink-soft);
  position: relative;
}

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1px;
  background: var(--color-ink);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}

.site-nav a:not(.nav-cta):hover::after,
.site-nav a:not(.nav-cta).is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-nav a:hover {
  color: var(--color-ink);
}

.nav-cta {
  padding: 0.65rem 1.15rem;
  background: var(--color-ink);
  color: var(--color-white) !important;
  border-radius: var(--radius);
  letter-spacing: 0.05em;
}

.nav-cta:hover {
  background: var(--color-accent-dark);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  position: relative;
  z-index: 110;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-ink);
  margin: 5px auto;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--header-h) + 2rem) 0 5rem;
  color: var(--color-white);
  overflow: hidden;
}

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

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 10, 10, 0.35) 0%, rgba(10, 10, 10, 0.25) 40%, rgba(10, 10, 10, 0.75) 100%),
    linear-gradient(90deg, rgba(10, 10, 10, 0.45) 0%, transparent 60%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
  max-width: 40rem;
  padding-bottom: 1rem;
}

.hero .eyebrow {
  color: rgba(255, 255, 255, 0.75);
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.hero-lead {
  font-size: 1.125rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: var(--space-lg);
  max-width: 34rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.scroll-hint {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 28px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 20px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.scroll-hint span {
  width: 3px;
  height: 8px;
  background: var(--color-white);
  border-radius: 2px;
  animation: scroll-bounce 1.8s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { opacity: 0.3; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(10px); }
}

/* Sections */
.section {
  padding: var(--space-3xl) 0;
}

/* About */
.about {
  background: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-copy p {
  margin-bottom: 1rem;
}

.about-copy .lead {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-style: italic;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.credentials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-line);
}

.credential-value {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.85rem;
  color: var(--color-ink);
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.credential-label {
  font-size: 0.8rem;
  color: var(--color-muted);
  letter-spacing: 0.02em;
}

.about-figure {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.about-figure img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
}

.about-figure figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.65));
  color: var(--color-white);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
}

/* Services */
.services {
  background: var(--color-cream);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.service-card {
  background: var(--color-white);
  padding: var(--space-lg) var(--space-md);
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  border-color: var(--color-line);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.service-icon {
  width: 48px;
  height: 48px;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--color-muted);
}

/* Portfolio */
.portfolio {
  background: var(--color-white);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--color-cream-dark);
  aspect-ratio: 4 / 3;
}

.portfolio-trigger {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  text-align: left;
  position: relative;
  cursor: zoom-in;
}

.portfolio-trigger img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.6s ease;
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  background: linear-gradient(transparent 40%, rgba(15, 15, 15, 0.8));
  color: var(--color-white);
  opacity: 0;
  transition: opacity var(--transition);
}

.portfolio-overlay h3 {
  color: var(--color-white);
  font-size: 1.25rem;
  margin-bottom: 0.2rem;
}

.portfolio-overlay p {
  font-size: 0.8rem;
  opacity: 0.85;
  letter-spacing: 0.03em;
}

.portfolio-credit {
  margin-top: 0.35rem;
  font-size: 0.7rem !important;
  opacity: 0.7 !important;
  font-style: italic;
  letter-spacing: 0.02em !important;
}

.portfolio-item:hover .portfolio-overlay,
.portfolio-trigger:focus-visible .portfolio-overlay {
  opacity: 1;
}

.portfolio-item:hover img,
.portfolio-trigger:focus-visible img {
  transform: scale(1.04);
}

/* Testimonials */
.testimonials {
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.82);
}

.testimonials .eyebrow {
  color: var(--color-accent);
}

.testimonials h2 {
  color: var(--color-white);
}

.testimonials .section-intro {
  color: rgba(255, 255, 255, 0.6);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: var(--space-lg) var(--space-md);
  display: flex;
  flex-direction: column;
}

.testimonial-stars {
  color: var(--color-accent);
  letter-spacing: 0.15em;
  font-size: 0.85rem;
  margin-bottom: var(--space-sm);
}

.testimonial-text {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-style: italic;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.9);
  flex: 1;
  margin-bottom: var(--space-md);
}

.testimonial-author {
  font-style: normal;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-white);
  display: block;
}

.testimonial-meta {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Contact */
.contact {
  background: var(--color-cream);
}

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

.contact-info .lead {
  margin-bottom: var(--space-lg);
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  margin-bottom: var(--space-lg);
}

.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.contact-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.contact-list a {
  font-size: 1.1rem;
  color: var(--color-ink);
  font-weight: 400;
}

.contact-list a:hover {
  color: var(--color-accent-dark);
}

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

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.15rem;
  background: #1877f2;
  color: var(--color-white);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
}

.social-btn:hover {
  opacity: 0.9;
}

.social-btn-ghost {
  background: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-line);
}

.social-btn-ghost:hover {
  border-color: var(--color-ink);
  opacity: 1;
}

.contact-form-wrap {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form-row {
  margin-bottom: 1.15rem;
}

.form-row label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 0.4rem;
  color: var(--color-ink);
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-cream);
  color: var(--color-ink);
  transition: border-color var(--transition), background var(--transition);
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-white);
}

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

.contact-form {
  position: relative;
}

.honey {
  position: absolute;
  left: -9999px;
  top: 0;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.form-status {
  margin-bottom: 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  line-height: 1.5;
}

.form-status--success {
  background: #e8f5e9;
  color: #1b5e20;
  border: 1px solid #a5d6a7;
}

.form-status--error {
  background: #fdecea;
  color: #8a1c1c;
  border: 1px solid #f5c6c2;
}

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

.form-note a {
  color: var(--color-accent-dark);
  text-decoration: underline;
}

/* Footer */
.site-footer {
  background: #111;
  color: rgba(255, 255, 255, 0.7);
  padding-top: var(--space-xl);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-xl);
}

.footer-logo {
  height: 52px;
  width: auto;
  margin-bottom: 1rem;
  background: transparent;
  /* Black logo -> white on dark footer; alpha stays transparent */
  filter: invert(1) brightness(1.1);
}

.footer-brand p {
  max-width: 22rem;
  font-size: 0.95rem;
}

.footer-company {
  margin-top: 0.85rem;
  max-width: 24rem;
  font-size: 0.8rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.45);
}

.footer-heading {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.footer-links ul,
.footer-contact ul {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.25rem 0;
  font-size: 0.85rem;
}

.footer-bottom .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
}

.footer-credit {
  color: rgba(255, 255, 255, 0.45);
}

.footer-credit a {
  color: rgba(255, 255, 255, 0.55);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer-credit a:hover {
  color: var(--color-white);
}

/* Legal / privacy pages */
.legal-main {
  padding: calc(var(--header-h) + var(--space-xl)) 0 var(--space-2xl);
  background: var(--color-cream);
  min-height: 60vh;
}

.legal-content {
  max-width: 720px;
  margin-inline: auto;
  background: var(--color-white);
  padding: var(--space-lg) var(--space-md);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

@media (min-width: 640px) {
  .legal-content {
    padding: var(--space-xl);
  }
}

.legal-content h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 500;
  color: var(--color-ink);
  line-height: 1.15;
  margin-bottom: 0.5rem;
}

.legal-updated {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: var(--space-md);
}

.legal-content h2 {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 500;
  color: var(--color-ink);
  margin-top: var(--space-lg);
  margin-bottom: 0.65rem;
}

.legal-content h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-ink);
  margin-top: var(--space-md);
  margin-bottom: 0.4rem;
}

.legal-content p {
  margin-bottom: 0.85rem;
}

.legal-content a {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-content a:hover {
  color: var(--color-ink);
}

.legal-list {
  list-style: disc;
  padding-left: 1.25rem;
  margin-bottom: 0.85rem;
}

.legal-list li {
  margin-bottom: 0.35rem;
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 0.75rem 0 1rem;
}

.legal-table th,
.legal-table td {
  border: 1px solid var(--color-line);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.legal-table th {
  background: var(--color-cream);
  font-weight: 500;
  color: var(--color-ink);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(8, 8, 8, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 4rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.lightbox[hidden] {
  display: none;
}

.lightbox.is-open[hidden] {
  display: flex;
}

.lightbox-content {
  max-width: min(1100px, 100%);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-image {
  max-height: min(75vh, 800px);
  width: auto;
  max-width: 100%;
  object-fit: contain;
  border-radius: 2px;
  background: #222;
}

.lightbox-caption {
  text-align: center;
  color: var(--color-white);
  margin-top: 1rem;
  max-width: 40rem;
}

.lightbox-caption h3 {
  color: var(--color-white);
  font-size: 1.4rem;
  margin-bottom: 0.25rem;
}

.lightbox-caption p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
}

.lightbox-credit {
  margin-top: 0.65rem;
  font-size: 0.8rem !important;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.55) !important;
  font-style: italic;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  color: var(--color-white);
  z-index: 2;
  opacity: 0.8;
  transition: opacity var(--transition);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  opacity: 1;
}

.lightbox-close {
  top: 1rem;
  right: 1.25rem;
  font-size: 2.5rem;
  line-height: 1;
  width: 48px;
  height: 48px;
}

.lightbox-prev,
.lightbox-next {
  top: 50%;
  transform: translateY(-50%);
  font-size: 3rem;
  width: 48px;
  height: 48px;
  line-height: 1;
}

.lightbox-prev { left: 0.75rem; }
.lightbox-next { right: 0.75rem; }

/* Responsive */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .about-figure img {
    aspect-ratio: 16 / 10;
  }

  .about-visual {
    order: -1;
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 72px;
    --space-3xl: 4.5rem;
  }

  .logo {
    height: 48px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    background: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
  }

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

  .site-nav .nav-list {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }

  .site-nav a {
    font-size: 1.25rem;
    font-family: var(--font-serif);
  }

  .nav-cta {
    margin-top: 0.5rem;
  }

  .hero {
    align-items: center;
    padding-bottom: 4rem;
  }

  .hero-content {
    max-width: none;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .scroll-hint {
    display: none;
  }

  .services-grid,
  .testimonials-grid,
  .portfolio-grid,
  .contact-grid,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .credentials {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .portfolio-overlay {
    opacity: 1;
  }

  .lightbox {
    padding: 3.5rem 1rem 1.5rem;
  }

  .lightbox-prev,
  .lightbox-next {
    top: auto;
    bottom: 1rem;
    transform: none;
    font-size: 2.25rem;
  }

  .lightbox-prev { left: 1rem; }
  .lightbox-next { right: 1rem; }

  .footer-bottom .container {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    width: min(100% - 1.5rem, var(--container));
  }

  .contact-form-wrap {
    padding: var(--space-md);
  }
}

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

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