/* ==========================================================================
   [COMPANY NAME] — Stylesheet
   Design tokens, base styles, components, page-specific overrides.
   ========================================================================== */

/* --- Design tokens --- */
:root {
  --navy-900: #0E1F38;
  --navy-800: #15294A;
  --navy-700: #1F3253;
  --navy-100: #E8ECF2;

  --paper: #FAFAF7;
  --paper-2: #F2F0E9;
  --white: #FFFFFF;

  --ink: #14181C;
  --ink-mute: #5C6470;
  --ink-fade: #8A93A0;

  --brass: #A47B3F;
  --brass-dark: #8C661F;

  --rule: #E5E2DA;
  --rule-dark: #C7C2B4;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', monospace;

  --container: 1280px;
  --container-narrow: 880px;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --space-8: 8rem;
}

/* --- 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: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  font-feature-settings: 'kern', 'liga', 'calt';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--navy-900);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--brass-dark);
}

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

ul, ol {
  list-style: none;
}

/* Focus visible for accessibility */
:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
  border-radius: 2px;
}

/* --- Typography --- */
.eyebrow,
.sheet-label,
.card-label,
.mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
}

.sheet-label {
  color: var(--brass);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-variation-settings: 'opsz' 144, 'SOFT' 50;
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--navy-900);
}

h2 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  line-height: 1.1;
  margin-bottom: var(--space-3);
}

h3 {
  font-size: 1.625rem;
  font-variation-settings: 'opsz' 36, 'SOFT' 50;
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: var(--space-2);
}

h4 {
  font-size: 1.25rem;
  font-variation-settings: 'opsz' 24, 'SOFT' 50;
  font-weight: 500;
  margin-bottom: var(--space-1);
}

p { margin-bottom: var(--space-2); }
p:last-child { margin-bottom: 0; }

.lead {
  font-size: 1.125rem;
  color: var(--ink-mute);
  line-height: 1.6;
  max-width: 60ch;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.section {
  padding: var(--space-7) 0;
  border-top: 1px solid var(--rule);
}

.section-head {
  margin-bottom: var(--space-6);
  max-width: 64ch;
}

.section-head .eyebrow {
  display: block;
  margin-bottom: var(--space-2);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: 2px;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--navy-900);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--navy-800);
  color: var(--white);
  transform: translateY(-1px);
}

.btn-ghost {
  color: var(--paper);
  border-bottom: 1px solid var(--paper);
  border-radius: 0;
  padding: 0.25rem 0;
}

.btn-ghost:hover {
  color: var(--brass);
  border-bottom-color: var(--brass);
}

.btn-ghost-dark {
  color: var(--navy-900);
  border-bottom: 1px solid var(--navy-900);
  border-radius: 0;
  padding: 0.25rem 0;
}

.btn-ghost-dark:hover {
  color: var(--brass-dark);
  border-bottom-color: var(--brass-dark);
}

/* --- Header / Nav --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(250, 250, 247, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom-color: var(--rule);
}

.site-header.solid {
  background: var(--paper);
  border-bottom-color: var(--rule);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

.brand {
  font-family: var(--font-display);
  font-variation-settings: 'opsz' 24, 'SOFT' 50;
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--paper);
  transition: color 0.3s ease;
}

.site-header.scrolled .brand,
.site-header.solid .brand {
  color: var(--navy-900);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--paper);
  transition: color 0.2s ease;
}

.site-header.scrolled .nav-links a,
.site-header.solid .nav-links a {
  color: var(--ink);
}

.nav-links a:hover {
  color: var(--brass);
}

.nav-cta {
  padding: 0.625rem 1.125rem;
  background: var(--brass);
  color: var(--navy-900) !important;
  border-radius: 2px;
  transition: all 0.2s ease;
}

.nav-cta:hover {
  background: var(--brass-dark);
  color: var(--white) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
}

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

.site-header.scrolled .nav-toggle span,
.site-header.solid .nav-toggle span {
  background: var(--ink);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background: var(--navy-900);
  color: var(--paper);
  overflow: hidden;
  padding: var(--space-8) 0 var(--space-7);
}

/* Hero background — photo with navy gradient overlay for text legibility */
.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(135deg, rgba(14, 31, 56, 0.72) 0%, rgba(14, 31, 56, 0.55) 45%, rgba(14, 31, 56, 0.82) 100%),
    url('images/hero.jpg');
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
}

/* Photo placeholders -> img tag support */
img.project-img,
img.about-portrait {
  width: 100%;
  object-fit: cover;
  display: block;
  border: none;
  padding: 0;
}

/* About portrait keeps its aspect ratio on img */
img.about-portrait {
  aspect-ratio: 4 / 5;
}

/* Project img in cards */
.project-card img.project-img {
  aspect-ratio: 4 / 3;
}

.gallery-card img.project-img {
  aspect-ratio: 3 / 2;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-6);
  align-items: end;
}

.hero-text {
  max-width: 760px;
}

.hero .sheet-label {
  display: inline-block;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid rgba(164, 123, 63, 0.4);
}

.hero-headline {
  font-family: var(--font-display);
  font-variation-settings: 'opsz' 144, 'SOFT' 30;
  font-weight: 300;
  font-size: clamp(2.75rem, 8vw, 6rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
  color: var(--paper);
  margin-bottom: var(--space-4);
}

.hero-sub {
  font-size: 1.125rem;
  line-height: 1.55;
  color: rgba(250, 250, 247, 0.85);
  max-width: 56ch;
  margin-bottom: var(--space-5);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Builder's stamp — signature element */
.stamp {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--brass);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--brass);
  background: rgba(164, 123, 63, 0.05);
  transform: rotate(-2deg);
  min-width: 220px;
  position: relative;
}

.stamp::before {
  content: '';
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(164, 123, 63, 0.3);
  pointer-events: none;
}

.stamp-row {
  padding: 2px 0;
  text-transform: uppercase;
}

.stamp-row + .stamp-row {
  border-top: 1px solid rgba(164, 123, 63, 0.25);
  margin-top: 4px;
  padding-top: 4px;
}

/* --- Services overview grid (home) --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.service-card {
  padding: var(--space-4);
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 2px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.service-card:hover {
  border-color: var(--navy-900);
  transform: translateY(-2px);
}

.service-card .card-label {
  margin-bottom: var(--space-3);
  color: var(--brass);
}

.service-card h3 {
  margin-bottom: var(--space-2);
}

.service-card p {
  color: var(--ink-mute);
  flex: 1;
  margin-bottom: var(--space-3);
}

.card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--navy-900);
  border-bottom: 1px solid var(--navy-900);
  padding-bottom: 2px;
  align-self: flex-start;
  transition: all 0.2s ease;
}

.card-link:hover {
  color: var(--brass-dark);
  border-bottom-color: var(--brass-dark);
}

/* --- Trust section (home) --- */
.trust {
  background: var(--paper-2);
}

.trust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
  align-items: start;
}

.trust-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.trust-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--rule);
}

.trust-item:last-child {
  border-bottom: none;
}

.trust-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--brass);
  letter-spacing: 0.1em;
  padding-top: 4px;
}

.trust-item h4 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

.trust-item p {
  font-size: 15px;
  color: var(--ink-mute);
  margin: 0;
}

/* --- Projects preview (home) --- */
.projects-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.project-card {
  display: block;
  background: var(--paper-2);
  border-radius: 2px;
  overflow: hidden;
  transition: transform 0.3s ease;
}

.project-card:hover {
  transform: translateY(-2px);
}

.project-img {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--navy-100), var(--paper-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-fade);
  border-bottom: 1px solid var(--rule);
}

.project-meta {
  padding: var(--space-3);
}

.project-meta .mono {
  margin-bottom: 4px;
  color: var(--brass);
}

.project-meta h4 {
  font-family: var(--font-display);
  font-variation-settings: 'opsz' 24, 'SOFT' 50;
  font-weight: 500;
  font-size: 1.125rem;
  color: var(--navy-900);
  margin-bottom: 2px;
}

.project-meta p {
  font-size: 14px;
  color: var(--ink-mute);
  margin: 0;
}

/* --- CTA strip --- */
.cta-strip {
  background: var(--navy-900);
  color: var(--paper);
  text-align: center;
  padding: var(--space-7) 0;
}

.cta-strip h2 {
  color: var(--paper);
  margin-bottom: var(--space-3);
}

.cta-strip p {
  color: rgba(250, 250, 247, 0.8);
  max-width: 56ch;
  margin: 0 auto var(--space-4);
  font-size: 1.125rem;
}

.cta-strip .btn-primary {
  background: var(--brass);
  color: var(--navy-900);
}

.cta-strip .btn-primary:hover {
  background: var(--paper);
  color: var(--navy-900);
}

/* --- Services page --- */
.page-hero {
  background: var(--navy-900);
  color: var(--paper);
  padding: calc(var(--space-7) + var(--space-5)) 0 var(--space-6);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero .sheet-label {
  color: var(--brass);
  display: inline-block;
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid rgba(164, 123, 63, 0.4);
}

.page-hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 300;
  font-variation-settings: 'opsz' 144, 'SOFT' 30;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--paper);
  margin-bottom: var(--space-3);
  max-width: 18ch;
}

.page-hero .lead {
  color: rgba(250, 250, 247, 0.85);
  font-size: 1.125rem;
  max-width: 56ch;
}

.service-block {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--space-6);
  padding: var(--space-6) 0;
  border-top: 1px solid var(--rule);
}

.service-block:first-of-type {
  border-top: none;
  padding-top: 0;
}

.service-block .block-head .eyebrow {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--brass);
}

.service-block .block-head h2 {
  font-size: 2rem;
  margin: 0;
}

.service-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4) var(--space-5);
}

.service-list li {
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--rule);
}

.service-list li strong {
  display: block;
  font-size: 1rem;
  color: var(--navy-900);
  margin-bottom: 4px;
  font-weight: 600;
}

.service-list li span {
  font-size: 14px;
  color: var(--ink-mute);
  line-height: 1.5;
}

/* --- Projects page --- */
.projects-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.gallery-card {
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 2px;
  overflow: hidden;
}

.gallery-card .project-img {
  aspect-ratio: 3 / 2;
}

.gallery-card .project-meta {
  padding: var(--space-3);
  border-top: 1px solid var(--rule);
}

/* --- About page --- */
.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

.about-portrait {
  aspect-ratio: 4 / 5;
  background: linear-gradient(135deg, var(--navy-100), var(--paper-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-fade);
  border: 1px solid var(--rule);
  border-radius: 2px;
  text-align: center;
  padding: var(--space-3);
}

.about-text h2 {
  margin-bottom: var(--space-4);
}

.about-text p {
  color: var(--ink-mute);
  margin-bottom: var(--space-3);
  font-size: 1.0625rem;
  line-height: 1.7;
}

.credentials {
  background: var(--paper-2);
}

.credentials-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4) var(--space-6);
  margin-top: var(--space-4);
}

.credentials-list .trust-item {
  border-bottom: 1px solid var(--rule-dark);
}

/* --- Contact page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-6);
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.info-block {
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--rule);
}

.info-block:last-child {
  border-bottom: none;
}

.info-block .eyebrow {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--brass);
}

.info-block .value {
  font-family: var(--font-display);
  font-variation-settings: 'opsz' 36, 'SOFT' 50;
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--navy-900);
  line-height: 1.3;
}

.info-block .value-small {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  line-height: 1.5;
}

/* Contact form */
.contact-form {
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: var(--space-4);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.form-field {
  margin-bottom: var(--space-3);
  display: flex;
  flex-direction: column;
}

.form-field label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: var(--space-1);
}

.form-field input,
.form-field select,
.form-field textarea {
  font-family: var(--font-body);
  font-size: 15px;
  padding: 0.75rem;
  border: 1px solid var(--rule-dark);
  border-radius: 2px;
  background: var(--paper);
  color: var(--ink);
  transition: border-color 0.2s ease;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--navy-900);
}

.form-field textarea {
  min-height: 120px;
  resize: vertical;
  font-family: var(--font-body);
}

.contact-form button[type="submit"] {
  width: 100%;
  margin-top: var(--space-2);
  justify-content: center;
}

/* --- Footer --- */
.site-footer {
  background: var(--navy-900);
  color: rgba(250, 250, 247, 0.7);
  padding: var(--space-6) 0 var(--space-4);
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-5);
}

.footer-brand {
  font-family: var(--font-display);
  font-variation-settings: 'opsz' 36, 'SOFT' 50;
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--paper);
  margin-bottom: var(--space-2);
}

.footer-tag {
  color: rgba(250, 250, 247, 0.6);
  max-width: 36ch;
}

.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass);
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.footer-col ul li {
  margin-bottom: var(--space-1);
}

.footer-col a {
  color: rgba(250, 250, 247, 0.7);
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--paper);
}

.footer-bottom {
  padding-top: var(--space-3);
  border-top: 1px solid rgba(250, 250, 247, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(250, 250, 247, 0.5);
  text-transform: uppercase;
}

/* --- Responsive --- */
@media (max-width: 960px) {
  .hero-content {
    grid-template-columns: 1fr;
  }

  .stamp {
    align-self: flex-start;
    margin-top: var(--space-3);
  }

  .services-grid,
  .projects-preview-grid,
  .projects-gallery {
    grid-template-columns: 1fr 1fr;
  }

  .trust-grid,
  .about-story,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .service-block {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .service-list,
  .credentials-list {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .section {
    padding: var(--space-6) 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(80vw, 320px);
    background: var(--navy-900);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: var(--space-5);
    gap: var(--space-3);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 200;
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-links a {
    color: var(--paper);
    font-size: 1.125rem;
  }

  .services-grid,
  .projects-preview-grid,
  .projects-gallery {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-2);
    align-items: flex-start;
    text-align: left;
  }

  .hero {
    min-height: 80vh;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}