/* ============================================================
   Binaa Group — site styles
   Palette locked to the brand: deep forest #10261D, forest #1F4636,
   wordmark green #2A5A44, brass #C9B070, sand #EBD9A8
   ============================================================ */

:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem; --space-24: 6rem;

  /* Brand colors */
  --forest-deep: #10261D;
  --forest: #1F4636;
  --green: #2A5A44;
  --brass: #C9B070;
  --brass-dark: #7A612B; /* brass, darkened for light backgrounds */
  --sand: #EBD9A8;

  /* Light surfaces */
  --color-bg: #F6F4EE;
  --color-surface: #FCFBF7;
  --color-surface-offset: #EDEAE0;
  --color-text: #17231E;
  --color-text-muted: #55635B;
  --color-border: oklch(0.23 0.02 160 / 0.14);

  /* Dark-section text */
  --color-on-dark: #EDE8D8;
  --color-on-dark-muted: #A9B6AD;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 160 / 0.06);
  --shadow-md: 0 4px 14px oklch(0.2 0.02 160 / 0.08);

  --content-default: 1080px;

  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Switzer', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

img, picture, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3 {
  font-family: var(--font-display);
  text-wrap: balance;
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.01em;
}

p, li, figcaption { text-wrap: pretty; max-width: 68ch; }

::selection { background: oklch(0.75 0.08 95 / 0.5); }

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--forest);
  color: var(--sand);
  padding: var(--space-2) var(--space-4);
  z-index: 100;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  min-height: 44px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.btn-sm { padding: var(--space-2) var(--space-5); }
.btn-primary { background: var(--forest); color: var(--sand); }
.btn-primary:hover { background: var(--forest-deep); }
.btn-ghost { border-color: var(--color-border); color: var(--color-text); background: transparent; }
.btn-ghost:hover { border-color: var(--green); color: var(--green); }
.btn-brass { background: var(--brass); color: var(--forest-deep); }
.btn-brass:hover { background: var(--sand); }
.btn:active { transform: translateY(1px); }

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(0.97 0.01 90 / 0.88);
  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-border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-3);
}
.brand img { width: 148px; height: auto; }
.site-nav { display: flex; align-items: center; gap: var(--space-8); }
.site-nav ul { display: flex; gap: var(--space-6); }
.site-nav a:not(.btn) {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}
.site-nav a:not(.btn):hover { color: var(--green); }
.site-nav a[aria-current='page'] { color: var(--green); font-weight: 600; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: var(--space-3);
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--forest-deep);
  transition: transform var(--transition);
}
.nav-toggle[aria-expanded='true'] span:first-child { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded='true'] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ============ Hero ============ */
.hero {
  background:
    repeating-linear-gradient(0deg, oklch(0.3 0.04 160 / 0.05) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(90deg, oklch(0.3 0.04 160 / 0.05) 0 1px, transparent 1px 56px),
    var(--color-bg);
  padding-block: clamp(var(--space-12), 7vw, var(--space-24));
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 6fr);
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}
.hero-copy h1 {
  font-size: var(--text-3xl);
  font-weight: 800;
  margin-block: var(--space-5) var(--space-5);
  max-width: 16ch;
}
.hero-lede { color: var(--color-text-muted); font-size: var(--text-base); max-width: 52ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-block: var(--space-8) var(--space-6); }
.hero-note { font-size: var(--text-sm); color: var(--color-text-muted); }
.hero-note .ar { font-size: var(--text-lg); color: var(--brass-dark); }

.hero-visual { position: relative; }
.hero-visual img:first-child {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
  object-fit: cover;
}
.hero-emblem {
  position: absolute;
  bottom: calc(-1 * var(--space-6));
  left: calc(-1 * var(--space-6));
  width: 96px;
  height: 96px;
}

.kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass-dark);
}
.kicker-dark { color: var(--brass); }

/* ============ Value band ============ */
.band { background: var(--forest-deep); color: var(--color-on-dark); }
.band-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(var(--space-8), 4vw, var(--space-16));
  padding-block: clamp(var(--space-10), 5vw, var(--space-16));
}
.band-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: var(--space-3);
}
.band-item p:not(.band-label) { color: var(--color-on-dark-muted); font-size: var(--text-sm); }

/* ============ Sections ============ */
.section { padding-block: clamp(var(--space-16), 8vw, var(--space-24)); }
.section h2 { font-size: var(--text-xl); margin-block: var(--space-4) var(--space-5); }

/* ============ Services ============ */
.services { background: var(--color-bg); }
.services-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: start;
}
.services-intro p:not(.kicker) { color: var(--color-text-muted); }
.services-figure { margin-top: var(--space-8); }
.services-figure img {
  border-radius: var(--radius-lg);
  width: 100%;
  object-fit: cover;
}
.services-figure figcaption {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}

.service-list { display: flex; flex-direction: column; }
.service-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-5);
  padding-block: var(--space-5);
  border-top: 1px solid var(--color-border);
  transition: background var(--transition);
}
.service-row:last-child { border-bottom: 1px solid var(--color-border); }
.service-row:hover { background: oklch(1 0 0 / 0.6); }
.service-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--brass-dark);
  padding-top: 0.35em;
}
.service-row h3 { font-size: var(--text-lg); margin-bottom: var(--space-1); }
.service-row p { color: var(--color-text-muted); font-size: var(--text-sm); }
.services-more { margin-top: var(--space-6); }

/* ============ Services page ============ */
.page-hero {
  background:
    repeating-linear-gradient(0deg, oklch(0.3 0.04 160 / 0.05) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(90deg, oklch(0.3 0.04 160 / 0.05) 0 1px, transparent 1px 56px),
    var(--color-bg);
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}
.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}
.page-hero-copy h1 {
  font-size: var(--text-2xl);
  font-weight: 800;
  margin-block: var(--space-4) var(--space-5);
  max-width: 16ch;
}
.page-hero-lede { color: var(--color-text-muted); max-width: 52ch; }
.page-hero-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
  object-fit: cover;
}
.jump-list { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-8); }
.jump-list li { max-width: none; }
.jump-list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  transition: border-color var(--transition), color var(--transition);
}
.jump-list a:hover { border-color: var(--green); color: var(--green); }

.svc-section { padding-top: clamp(var(--space-8), 4vw, var(--space-12)); }
.svc {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(var(--space-5), 4vw, var(--space-12));
  padding-block: clamp(var(--space-10), 5vw, var(--space-16));
  border-top: 1px solid var(--color-border);
}
.svc:last-child { padding-bottom: 0; }
.svc-head h2 { margin-block: var(--space-2) 0; }
.svc-desc { font-size: var(--text-lg); line-height: 1.45; max-width: 44ch; }
.svc-meta {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: var(--space-8);
  margin-top: var(--space-8);
}
.svc-meta h3 {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass-dark);
  margin-bottom: var(--space-3);
}
.svc-meta li {
  padding-block: var(--space-3);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.svc-meta li:last-child { border-bottom: 1px solid var(--color-border); }
.svc-meta p { color: var(--color-text-muted); font-size: var(--text-sm); }

.cta { background: var(--forest); color: var(--color-on-dark); }
.cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}
.cta h2 { color: var(--color-on-dark); max-width: 20ch; }
.cta p:not(.kicker) { color: var(--color-on-dark-muted); max-width: 48ch; }
.cta-actions { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-4); }
.cta-email { color: var(--sand); font-size: var(--text-sm); }
.cta-email:hover { color: var(--brass); }

/* ============ Process ============ */
.process { background: var(--forest); color: var(--color-on-dark); }
.process-title { color: var(--color-on-dark); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(var(--space-8), 4vw, var(--space-12));
  margin-block: var(--space-10);
}
.process-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--brass);
  margin-bottom: var(--space-3);
}
.process-step h3 { color: var(--sand); font-size: var(--text-lg); margin-bottom: var(--space-2); }
.process-step p { color: var(--color-on-dark-muted); font-size: var(--text-sm); }
.pull-quote {
  border-top: 1px solid oklch(0.8 0.06 95 / 0.25);
  padding-top: var(--space-8);
  max-width: none;
}
.pull-quote p {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--sand);
  max-width: 26ch;
  line-height: 1.3;
}

/* ============ Why Binaa ============ */
.why-title { max-width: 24ch; }
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-block: var(--space-8);
}
.why-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  box-shadow: var(--shadow-sm);
}
.why-card h3 { font-size: var(--text-lg); }
.why-role {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass-dark);
  margin-block: var(--space-2) var(--space-5);
}
.why-card li {
  padding-block: var(--space-3);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.why-statement { color: var(--color-text-muted); font-size: var(--text-lg); max-width: 46ch; }

/* ============ Contact ============ */
.contact { background: var(--forest-deep); color: var(--color-on-dark); }
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(var(--space-8), 5vw, var(--space-16));
}
.contact-copy h2 { color: var(--color-on-dark); }
.contact-copy p:not(.kicker) { color: var(--color-on-dark-muted); }
.contact-alt { margin-top: var(--space-4); }
.contact-alt a { color: var(--sand); }
.contact-alt a:hover { color: var(--brass); }

.contact-form {
  background: oklch(0.18 0.03 160 / 0.5);
  border: 1px solid oklch(0.8 0.06 95 / 0.14);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  display: grid;
  gap: var(--space-5);
}
.form-row { display: grid; gap: var(--space-2); }
.form-row label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-on-dark-muted);
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  background: oklch(0.14 0.02 160 / 0.8);
  border: 1px solid oklch(0.8 0.06 95 / 0.18);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  color: var(--color-on-dark);
  min-height: 44px;
  transition: border-color var(--transition);
}
.contact-form input:focus-visible,
.contact-form select:focus-visible,
.contact-form textarea:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 1px;
}
.contact-form textarea { resize: vertical; }
.contact-form select { appearance: none; }
.form-hint { font-size: var(--text-sm); color: var(--sand); }

/* ============ Footer ============ */
.site-footer { background: var(--forest-deep); color: var(--color-on-dark-muted); border-top: 1px solid oklch(0.8 0.06 95 / 0.14); }
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--space-12);
  padding-block: var(--space-16) var(--space-10);
}
.footer-brand img { width: 96px; }
.footer-tag { margin-top: var(--space-5); font-size: var(--text-sm); max-width: 34ch; }
.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }
.footer-nav h3 {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
  font-weight: 500;
  margin-bottom: var(--space-4);
}
.footer-nav li { padding-block: var(--space-1); font-size: var(--text-sm); }
.nowrap { white-space: nowrap; }
.footer-nav a { color: var(--color-on-dark-muted); text-decoration: none; transition: color var(--transition); }
.footer-nav a:hover { color: var(--sand); }
.footer-legal {
  border-top: 1px solid oklch(0.8 0.06 95 / 0.12);
  padding-block: var(--space-5);
  font-size: var(--text-xs);
}

/* ============ Reveal animation ============ */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 600ms ease, transform 600ms ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ============ Responsive ============ */
@media (max-width: 900px) {
  .hero-grid, .services-grid, .contact-grid, .footer-grid, .page-hero-grid, .svc {
    grid-template-columns: 1fr;
  }
  .page-hero-copy h1 { max-width: none; }
  .band-grid, .process-grid, .why-grid { grid-template-columns: 1fr; }
  .footer-nav { grid-template-columns: 1fr 1fr; }
  .hero-emblem { left: var(--space-4); bottom: calc(-1 * var(--space-4)); width: 72px; height: 72px; }
  .hero-copy h1 { max-width: none; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
    background: #FCFBF7;
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-6) var(--space-6) var(--space-8);
    box-shadow: 0 12px 32px oklch(0.2 0.02 160 / 0.16);
  }
  .site-nav.is-open { display: flex; }
  body.scrim-open::after {
    content: '';
    position: fixed;
    inset: 0;
    background: oklch(0.15 0.03 160 / 0.5);
    z-index: 40;
  }
  .site-nav ul { flex-direction: column; gap: var(--space-4); }
  .site-nav a:not(.btn) { font-size: var(--text-base); color: var(--color-text); }
  .footer-nav { grid-template-columns: 1fr; }
  .svc-meta { grid-template-columns: 1fr; gap: var(--space-6); }
}