/* N Ibrahim Architectural Design — 2026 refresh
   Neutral architect palette, editorial typography, mobile-first header.
*/

:root {
  --ink: #1a1a1a;
  --ink-soft: #4a4a4a;
  --ink-mute: #7a7a7a;
  --accent: #b8865b;       /* warm brass */
  --accent-dark: #a17349;
  --surface: #ffffff;
  --surface-alt: #f5f2ec;  /* warm off-white */
  --border: #e3ddd3;
  --radius: 2px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
  --container-max: 1200px;
}

/* -------- Base -------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-soft);
  background-color: var(--surface);
  margin: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-top: 0;
}

p { margin-top: 0; }

a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color 0.2s ease;
}

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

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

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
  width: 100%;
}

/* -------- Header -------- */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
  gap: 1rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.brand-text { display: flex; flex-direction: column; line-height: 1.1; }

.brand-name {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.brand-sub {
  font-size: 0.78rem;
  color: var(--ink-mute);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* Nav */
.primary-nav { display: flex; align-items: center; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  padding: 0.5rem 0.9rem;
  cursor: pointer;
  font-size: 0.9rem;
  border-radius: var(--radius);
  color: var(--ink);
  font-family: inherit;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-list li { margin: 0; }

.nav-list a {
  display: inline-block;
  padding: 0.55rem 0.9rem;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius);
  transition: color 0.2s ease;
}

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

.nav-list a.is-active {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
  padding-bottom: calc(0.55rem - 2px);
}

.nav-cta {
  background: var(--ink);
  color: #fff !important;
  padding: 0.55rem 1.1rem !important;
  margin-left: 0.5rem;
}

.nav-cta:hover { background: var(--accent) !important; color: #fff !important; }

/* -------- Hero (homepage) -------- */
.hero-v2 {
  position: relative;
  min-height: 70vh;
  background: var(--ink);
}

.hero-v2 .hero-image {
  width: 100%;
  height: 70vh;
  min-height: 480px;
  object-fit: cover;
  display: block;
  opacity: 0.85;
}

.hero-v2 .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.55) 70%, rgba(0,0,0,0.75) 100%);
  display: flex;
  align-items: flex-end;
  padding-bottom: 3.5rem;
}

.hero-v2 h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  color: #fff;
  max-width: 20ch;
  margin-bottom: 1rem;
  line-height: 1.1;
}

.hero-v2 .lead {
  color: #f1ece3;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  max-width: 58ch;
  margin-bottom: 1.75rem;
}

.hero-cta { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.btn {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius);
  font-weight: 500;
  text-decoration: none;
  font-size: 1rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  font-family: inherit;
}

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

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

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: #fff;
}

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

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

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

/* -------- Generic sections -------- */
.section {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

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

.section-eyebrow {
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  margin-bottom: 1rem;
}

.section-lead {
  font-size: 1.1rem;
  max-width: 65ch;
  color: var(--ink-soft);
}

/* -------- Page header (internal pages) -------- */
.page-hero {
  background: var(--surface-alt);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  border-bottom: 1px solid var(--border);
}

.page-hero .eyebrow {
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.page-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  margin: 0;
}

/* -------- Homepage services teaser -------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2.25rem;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.75rem;
  border-radius: var(--radius);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin: 0;
}

/* -------- Project / Gallery tiles -------- */
.tiles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.tile {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface-alt);
  display: block;
  text-decoration: none;
  color: inherit;
}

.tile img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.tile:hover img {
  transform: scale(1.04);
}

.tile-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1rem 1.25rem;
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.75) 100%);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 500;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.tile:hover .tile-caption,
.tile:focus .tile-caption {
  opacity: 1;
  transform: translateY(0);
}

/* -------- Projects page cards -------- */
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-card-img img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  width: 100%;
}

.project-card-body {
  padding: 1.5rem;
}

.project-card-body h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--ink);
}

.project-card-body p {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin: 0;
}

.project-thumbs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.project-thumbs img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
  width: 100%;
}

/* -------- About page -------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-grid img {
  width: 100%;
  border-radius: var(--radius);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.stat-box {
  background: var(--ink);
  color: #fff;
  padding: 1.75rem 1rem;
  text-align: center;
  border-radius: var(--radius);
}

.stat-number {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.25rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 0.25rem;
  line-height: 1;
}

.stat-text {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
  margin: 0;
  letter-spacing: 0.04em;
}

/* -------- Contact page -------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info-box {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  padding: 2rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

.contact-info-box h2 {
  font-size: 1.3rem;
  margin-bottom: 1.25rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 0.9rem;
  font-size: 0.98rem;
}

.contact-item:last-child { margin-bottom: 0; }

.contact-icon {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
  color: #fff;
  border-radius: 50%;
  flex-shrink: 0;
}

.contact-item a {
  text-decoration: none;
  color: var(--ink);
}

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

.contact-form-box {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2rem;
  border-radius: var(--radius);
}

.contact-form-box h2 { font-size: 1.3rem; margin-bottom: 1.25rem; }

.form-row { margin-bottom: 1rem; }

.form-row label {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.35rem;
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font: inherit;
  color: var(--ink);
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(184, 134, 91, 0.15);
}

.form-row input.is-invalid,
.form-row textarea.is-invalid {
  border-color: #c0392b;
  background: #fdf3f2;
}

.contact-image img {
  width: 100%;
  border-radius: var(--radius);
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.form-success {
  background: #f0f7ea;
  border: 1px solid #c6dfb2;
  color: #2d5016;
  padding: 1.25rem;
  border-radius: var(--radius);
}

.form-error {
  background: #fdf3f2;
  border: 1px solid #e9c4bf;
  color: #8a1f15;
  padding: 1rem;
  border-radius: var(--radius);
  margin-top: 1rem;
  font-size: 0.92rem;
}

/* -------- Footer -------- */
.site-footer {
  background: var(--ink);
  color: #c8c2b5;
  padding: 4rem 0 2rem;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.25fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.site-footer h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-footer a {
  color: #c8c2b5;
  text-decoration: none;
  font-size: 0.95rem;
  display: inline-block;
  padding: 0.2rem 0;
}

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

.site-footer .footer-brand p {
  color: #c8c2b5;
  font-size: 0.95rem;
  max-width: 38ch;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer li { margin-bottom: 0.4rem; }

.footer-cta {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.6rem 1.1rem;
  background: var(--accent);
  color: #fff !important;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.95rem;
}

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

.footer-bottom {
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

/* -------- Responsive -------- */
@media (max-width: 960px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767.98px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
  }
  .primary-nav { position: relative; }
  .nav-list {
    display: none;
    position: absolute;
    top: calc(100% + 0.9rem);
    right: 0;
    min-width: 220px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 0.5rem 0;
    z-index: 110;
  }
  .nav-list.is-open { display: flex; }
  .nav-list a {
    padding: 0.75rem 1.2rem;
    border-radius: 0;
  }
  .nav-list a.is-active {
    border-bottom: none;
    border-left: 3px solid var(--accent);
    padding-left: calc(1.2rem - 3px);
  }
  .nav-cta {
    margin: 0.5rem 1.2rem;
    text-align: center;
  }

  .hero-v2 { min-height: 60vh; }
  .hero-v2 .hero-image { height: 60vh; min-height: 420px; }
  .hero-v2 .hero-overlay { padding-bottom: 2rem; }

  .stats-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 575.98px) {
  .brand-sub { display: none; }
  .brand-name { font-size: 1.15rem; }
  .brand-mark { width: 36px; height: 36px; }
  .site-header .container { padding-top: 0.65rem; padding-bottom: 0.65rem; }

  .hero-v2 h1 { font-size: 2rem; }
  .hero-v2 .lead { font-size: 1rem; }
  .hero-cta .btn { width: 100%; text-align: center; }

  .section { padding: 2.5rem 0; }
  .contact-info-box, .contact-form-box { padding: 1.5rem; }
}

/* -------- Accessibility helpers -------- */
.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;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}