/* ==========================================================================
   Castle Rock Tech — concept site styles
   Palette pulled from the CRT logo: navy + rust + cream.
   ========================================================================== */

:root {
  --navy-900: #0F1B2D;
  --navy-800: #14233A;
  --navy-700: #1B2A41;
  --navy-600: #2A3B55;
  --slate-500: #5A6B7E;
  --slate-300: #B8C3CF;
  --rust-600: #A04A2D;
  --rust-500: #C65D3B;
  --rust-400: #DD7A53;
  --cream-50: #F7F4EE;
  --cream-100: #EFE9DD;
  --white: #FFFFFF;
  --shadow-sm: 0 1px 2px rgba(15, 27, 45, 0.08);
  --shadow-md: 0 8px 24px rgba(15, 27, 45, 0.12);
  --shadow-lg: 0 24px 60px rgba(15, 27, 45, 0.18);
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --max-w: 1200px;
  --header-h: 187px;
  --font-display: 'Bebas Neue', 'Oswald', 'Arial Narrow', sans-serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--navy-900);
  background: var(--cream-50);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--rust-500); text-decoration: none; }
a:hover { color: var(--rust-600); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy-900);
  line-height: 1.05;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); letter-spacing: 0.02em; }
h2 { font-size: clamp(2rem, 4vw, 3.25rem); }
h3 { font-size: clamp(1.4rem, 2.4vw, 1.85rem); }
h4 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ----- Header / Nav ----- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid rgba(15, 27, 45, 0.08);
  height: var(--header-h);
  display: flex;
  align-items: center;
}

.nav {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 167px;
}
.nav__logo img { height: 100%; width: auto; }

.nav__menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav__link {
  display: inline-block;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--navy-800);
  letter-spacing: 0.02em;
  position: relative;
  transition: color 0.15s ease;
}
.nav__link:hover,
.nav__link.is-active { color: var(--rust-500); }
.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 2px;
  background: var(--rust-500);
}

.nav__cta {
  background: var(--rust-500);
  color: var(--white);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: background 0.15s ease;
}
.nav__cta:hover { background: var(--rust-600); color: var(--white); }

/* Mobile toggle */
.nav__toggle {
  display: none;
  background: none;
  border: 0;
  width: 44px;
  height: 44px;
  cursor: pointer;
  padding: 0;
  position: relative;
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  content: "";
  display: block;
  position: absolute;
  left: 50%;
  width: 24px;
  height: 2px;
  background: var(--navy-900);
  transform: translateX(-50%);
  transition: transform 0.2s ease, top 0.2s ease;
}
.nav__toggle span { top: 50%; }
.nav__toggle span::before { top: -7px; }
.nav__toggle span::after { top: 7px; }

@media (max-width: 1080px) {
  .nav__toggle { display: block; }
  .nav__menu {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    gap: 4px;
    border-bottom: 1px solid rgba(15, 27, 45, 0.08);
    box-shadow: var(--shadow-md);
    transform: translateY(calc(-100% - var(--header-h) - 8px));
    transition: transform 0.25s ease;
  }
  .nav.is-open .nav__menu { transform: translateY(0); }
  .nav__link, .nav__cta { width: 100%; text-align: left; }
}

/* ----- Buttons ----- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--rust-500); color: var(--white); }
.btn--primary:hover { background: var(--rust-600); color: var(--white); }
.btn--ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.6); }
.btn--ghost:hover { background: rgba(255,255,255,0.1); color: var(--white); border-color: var(--white); }
.btn--dark { background: var(--navy-800); color: var(--white); }
.btn--dark:hover { background: var(--navy-700); color: var(--white); }

/* ----- Hero ----- */
.hero {
  position: relative;
  background:
    radial-gradient(1200px 400px at 80% -100px, rgba(198, 93, 59, 0.25), transparent 60%),
    linear-gradient(180deg, var(--navy-900) 0%, var(--navy-800) 100%);
  color: var(--white);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 400' preserveAspectRatio='none'><g fill='none' stroke='%23ffffff' stroke-opacity='0.06' stroke-width='1'><path d='M0,320 Q300,180 600,260 T1200,220'/><path d='M0,340 Q300,220 600,300 T1200,260'/><path d='M0,360 Q300,260 600,340 T1200,300'/><path d='M0,380 Q300,300 600,360 T1200,340'/></g></svg>");
  background-size: cover;
  pointer-events: none;
}
.hero__inner {
  position: relative;
  padding: clamp(64px, 10vw, 120px) 0 clamp(80px, 12vw, 140px);
  max-width: 760px;
}
.hero__eyebrow {
  display: inline-block;
  padding: 6px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rust-400);
  border: 1px solid rgba(221, 122, 83, 0.4);
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero h1 { color: var(--white); }
.hero h1 .accent { color: var(--rust-400); }
.hero__lead {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: rgba(255, 255, 255, 0.78);
  max-width: 560px;
  margin-bottom: 32px;
}
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; }

.hero--compact .hero__inner { padding: clamp(48px, 7vw, 80px) 0; }

/* ----- Sections ----- */
.section { padding: clamp(56px, 8vw, 96px) 0; }
.section--alt { background: var(--cream-100); }
.section--dark { background: var(--navy-900); color: rgba(255,255,255,0.86); }
.section--dark h2, .section--dark h3 { color: var(--white); }

.section__head { max-width: 720px; margin-bottom: 48px; }
.section__eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--rust-500);
  margin-bottom: 12px;
}

/* ----- Service cards / grid ----- */
.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 980px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid--3, .grid--4, .grid--2 { grid-template-columns: 1fr; } }

.card {
  background: var(--white);
  border: 1px solid rgba(15,27,45,0.06);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(198,93,59,0.3); }
.card__icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, var(--rust-500), var(--rust-400));
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  font-family: var(--font-display);
  font-size: 1.4rem;
}
.card h3 { margin-bottom: 8px; }
.card p { color: var(--slate-500); flex-grow: 1; }
.card__link {
  margin-top: 16px;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--rust-500);
  display: inline-flex; align-items: center; gap: 6px;
}
.card__link::after { content: "→"; transition: transform 0.15s ease; }
.card__link:hover::after { transform: translateX(3px); }

/* ----- Service detail blocks ----- */
.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: clamp(48px, 8vw, 96px) 0;
  border-bottom: 1px solid rgba(15,27,45,0.08);
}
.service-block:last-child { border-bottom: 0; }
.service-block.is-flipped > .service-block__media { order: 2; }
@media (max-width: 880px) { .service-block { grid-template-columns: 1fr; gap: 32px; } .service-block.is-flipped > .service-block__media { order: 0; } }

.service-block__num {
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--rust-500);
  opacity: 0.8;
  line-height: 1;
  margin-bottom: 8px;
}
.service-block ul {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}
.service-block li {
  padding: 8px 0 8px 28px;
  position: relative;
  color: var(--navy-700);
}
.service-block li::before {
  content: "";
  position: absolute;
  left: 0; top: 16px;
  width: 14px; height: 2px;
  background: var(--rust-500);
}

.service-visual {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.service-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 300'><g fill='none' stroke='%23C65D3B' stroke-opacity='0.35' stroke-width='1.2'><path d='M0,240 L60,180 L120,210 L180,140 L240,170 L300,110 L360,150 L400,120'/><path d='M0,260 L60,210 L120,230 L180,170 L240,200 L300,150 L360,180 L400,160'/></g></svg>");
  background-size: cover;
}
.service-visual span {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.92);
  text-align: center;
  padding: 0 16px;
}

/* ----- About / values ----- */
.value {
  padding: 24px;
  background: var(--white);
  border-left: 3px solid var(--rust-500);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.value h4 { font-family: var(--font-display); letter-spacing: 0.04em; margin-bottom: 8px; }

/* ----- Contact / form ----- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; } }

.form { display: grid; gap: 16px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 620px) { .form__row { grid-template-columns: 1fr; } }
.form label { font-weight: 600; font-size: 0.85rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--navy-700); display: block; margin-bottom: 6px; }
.form input, .form select, .form textarea {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  color: var(--navy-900);
  background: var(--white);
  border: 1px solid rgba(15,27,45,0.16);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: 0;
  border-color: var(--rust-500);
  box-shadow: 0 0 0 3px rgba(198,93,59,0.18);
}
.form textarea { min-height: 140px; resize: vertical; }
.form__success {
  display: none;
  padding: 16px;
  background: rgba(198,93,59,0.08);
  border-left: 3px solid var(--rust-500);
  border-radius: var(--radius-sm);
  color: var(--navy-800);
}
.form.is-submitted .form__success { display: block; }
.form.is-submitted .form__fields { display: none; }

.contact-info { display: grid; gap: 24px; }
.contact-info__item {
  padding: 20px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.contact-info__label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rust-500);
  margin-bottom: 6px;
}
.contact-info__value { font-size: 1.1rem; font-weight: 500; }

/* ----- CTA strip ----- */
.cta-strip {
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  color: var(--white);
  padding: clamp(40px, 6vw, 64px);
  border-radius: var(--radius-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-strip::after {
  content: "";
  position: absolute;
  right: -80px; top: -80px;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(198,93,59,0.35), transparent 70%);
}
.cta-strip h2 { color: var(--white); margin: 0; max-width: 600px; position: relative; }
.cta-strip .btn { position: relative; }

/* ----- Footer ----- */
.site-footer {
  background: var(--navy-900);
  color: rgba(255,255,255,0.72);
  padding: 64px 0 32px;
  font-size: 0.92rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand img { height: 56px; margin-bottom: 16px; filter: brightness(0) invert(1) drop-shadow(0 1px 2px rgba(0,0,0,0.2)); opacity: 0.92; }
.footer-grid h4 { color: var(--white); font-size: 0.9rem; letter-spacing: 0.18em; margin-bottom: 16px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer-grid a { color: rgba(255,255,255,0.7); }
.footer-grid a:hover { color: var(--rust-400); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

/* ----- Pricing cards ----- */
.pricing-card {
  background: var(--white);
  border: 1px solid rgba(15,27,45,0.08);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
}
.pricing-card__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 8px;
}
.pricing-card__name { font-family: var(--font-display); font-size: 1.6rem; letter-spacing: 0.04em; margin: 0; }
.pricing-card__price { font-family: var(--font-display); font-size: 2rem; color: var(--rust-500); line-height: 1; }
.pricing-card__price small { font-family: var(--font-body); font-size: 0.95rem; color: var(--slate-500); font-weight: 500; margin-left: 2px; }
.pricing-card__meta { color: var(--slate-500); font-size: 0.9rem; margin-bottom: 16px; }
.pricing-card ul { padding-left: 0; list-style: none; margin: 0 0 24px; }
.pricing-card li { position: relative; padding-left: 22px; margin-bottom: 10px; color: var(--slate-500); }
.pricing-card li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  color: var(--rust-500);
  font-weight: 700;
}
.pricing-card__cta { margin-top: auto; }
.pricing-card--featured {
  border-color: var(--rust-400);
  box-shadow: var(--shadow-md);
}
.pricing-card__badge {
  position: absolute;
  top: -12px; right: 24px;
  background: var(--rust-500); color: var(--white);
  font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 999px;
  font-weight: 600;
}

.discovery-card {
  background: var(--navy-900);
  color: rgba(255,255,255,0.86);
  border-radius: var(--radius-lg);
  padding: clamp(32px, 4vw, 48px);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
}
.discovery-card h2 { color: var(--white); margin: 0 0 8px; }
.discovery-card p { margin: 0; color: rgba(255,255,255,0.72); max-width: 560px; }
@media (max-width: 760px) { .discovery-card { grid-template-columns: 1fr; } }

.fine-print { color: var(--slate-500); font-size: 0.9rem; margin-top: 24px; }

.stat-card {
  background: var(--cream-100);
  border-left: 4px solid var(--rust-500);
  border-radius: var(--radius-md);
  padding: 24px;
}
.stat-card h4 { margin: 0 0 8px; font-family: var(--font-display); font-size: 1.6rem; letter-spacing: 0.04em; color: var(--navy-900); }
.stat-card p { margin: 0; color: var(--slate-500); }

.tag {
  display: inline-block;
  background: var(--navy-900);
  color: var(--white);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  font-weight: 600;
  margin-bottom: 16px;
}
.tag--rust { background: var(--rust-500); }

.use-case-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 32px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.use-case-list li {
  color: rgba(255,255,255,0.86);
  padding-left: 24px;
  position: relative;
}
.use-case-list li::before {
  content: "→";
  position: absolute; left: 0; top: 0;
  color: var(--rust-400);
  font-weight: 700;
}
@media (max-width: 760px) { .use-case-list { grid-template-columns: 1fr; } }

/* ----- Recent work strip ----- */
.work-card {
  background: var(--white);
  border: 1px solid rgba(15,27,45,0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.work-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.work-card__link { display: flex; flex-direction: column; color: inherit; height: 100%; }
.work-card__link:hover { color: inherit; }
.work-card__link:hover h3 { color: var(--rust-500); }
.work-card__media {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--navy-800), var(--rust-500));
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  font-size: 1.2rem;
  text-align: center;
  padding: 24px;
  overflow: hidden;
}
.work-card__media:has(img) { padding: 0; background: var(--navy-800); }
.work-card__media img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.4s ease;
}
.work-card:hover .work-card__media img { transform: scale(1.03); }
.work-card__body { padding: 24px 28px 28px; display: flex; flex-direction: column; gap: 8px; }
.work-card__eyebrow {
  font-size: 0.75rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--rust-500); font-weight: 600;
}
.work-card h3 { margin: 0; font-size: 1.25rem; }
.work-card p { margin: 0; color: var(--slate-500); }

/* ----- Misc ----- */
.muted { color: var(--slate-500); }
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }