/* ============================================================
   PILOTAGE GROUP — Main Stylesheet
   Brand: Navy #1B2A4A | Brass #B8960C | White #FFFFFF
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;600&family=Inter:wght@300;400;500&display=swap');

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  color: #1B2A4A;
  background-color: #FFFFFF;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.05em;
  color: #1B2A4A;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); letter-spacing: 0.08em; }
h4 { font-size: 1.1rem; letter-spacing: 0.08em; }

p {
  font-size: 1rem;
  line-height: 1.7;
  color: #3a4a62;
}

/* --- Layout Utilities --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.section {
  padding: 96px 0;
}

.section--narrow {
  padding: 72px 0;
}

.section--tight {
  padding: 56px 0;
}

.section--alt {
  background-color: #F8F8F8;
}

.section--navy {
  background-color: #1B2A4A;
}

.divider {
  width: 100%;
  height: 1px;
  background-color: #E8E8E8;
  border: none;
  margin: 0;
}

.divider--brass {
  background-color: #B8960C;
  width: 48px;
  height: 2px;
  border: none;
  margin: 0;
}

/* --- Brass rule accent (decorative top line above headings) --- */
.brass-rule {
  display: block;
  width: 40px;
  height: 2px;
  background-color: #B8960C;
  margin-bottom: 24px;
}

.brass-rule--center {
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 24px;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 14px 36px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s ease, background-color 0.2s ease;
  border-radius: 2px;
  text-decoration: none;
}

.btn--primary {
  background-color: #1B2A4A;
  color: #FFFFFF;
}

.btn--primary:hover {
  opacity: 0.85;
}

.btn--brass {
  background-color: #B8960C;
  color: #1B2A4A;
}

.btn--brass:hover {
  opacity: 0.88;
}

.btn--outline {
  background-color: transparent;
  color: #1B2A4A;
  border: 1px solid #1B2A4A;
}

.btn--outline:hover {
  background-color: #1B2A4A;
  color: #FFFFFF;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #FFFFFF;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.nav--scrolled {
  border-bottom-color: #E8E8E8;
  box-shadow: 0 1px 12px rgba(27,42,74,0.06);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 140px;
  transition: height 0.3s ease;
}

.nav--scrolled .nav__inner {
  height: 72px;
}

.nav__logo {
  flex-shrink: 0;
}

.nav__logo img {
  height: 110px;
  width: auto;
  display: block;
  max-width: 400px;
  transition: height 0.3s ease;
}

.nav--scrolled .nav__logo img {
  height: 52px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav__links a {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #1B2A4A;
  text-decoration: none;
  position: relative;
  padding-bottom: 4px;
  transition: color 0.2s ease;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #B8960C;
  transition: width 0.25s ease;
}

.nav__links a:hover::after,
.nav__links a.active::after {
  width: 100%;
}

.nav__links a.active {
  color: #1B2A4A;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #1B2A4A;
  transition: all 0.3s ease;
}

.nav__hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav drawer */
.nav__mobile {
  display: none;
  flex-direction: column;
  padding: 24px 40px 32px;
  border-top: 1px solid #E8E8E8;
  background-color: #FFFFFF;
}

.nav__mobile.is-open {
  display: flex;
}

.nav__mobile a {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #1B2A4A;
  padding: 14px 0;
  border-bottom: 1px solid #E8E8E8;
}

.nav__mobile a:last-child {
  border-bottom: none;
}

.nav__mobile a.active {
  color: #B8960C;
}

/* ============================================================
   HERO SECTIONS
   ============================================================ */
.hero {
  position: relative;
  padding: 112px 0 96px;
  background-color: #FFFFFF;
  overflow: hidden;
}

.hero--home {
  padding: 128px 0 112px;
}

.hero__watermark {
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 520px;
  opacity: 0.04;
  pointer-events: none;
  user-select: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero__content--center {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.hero__label {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #B8960C;
  margin-bottom: 20px;
}

.hero h1 {
  margin-bottom: 24px;
}

.hero__sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #3a4a62;
  margin-bottom: 40px;
  max-width: 580px;
}

.hero__content--center .hero__sub {
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   HOME PAGE — What We Do (3-col)
   ============================================================ */
.services-intro {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid #E8E8E8;
  border-bottom: 1px solid #E8E8E8;
}

.services-intro__item {
  padding: 48px 40px 48px 0;
  border-top: 3px solid #B8960C;
  margin-top: -3px;
}

.services-intro__item + .services-intro__item {
  padding-left: 40px;
  border-left: 1px solid #E8E8E8;
}

.services-intro__item h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  letter-spacing: 0.06em;
}

.services-intro__item p {
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ============================================================
   HOME PAGE — Why Pilotage / Stats
   ============================================================ */
.why-section {
  text-align: center;
}

.why-section__body {
  max-width: 680px;
  margin: 0 auto 64px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: #3a4a62;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid #E8E8E8;
  padding-top: 48px;
}

.stat-item {
  text-align: center;
  padding: 0 32px;
  border-right: 1px solid #E8E8E8;
}

.stat-item:last-child {
  border-right: none;
}

.stat-item__number {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 3rem;
  font-weight: 300;
  color: #1B2A4A;
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.stat-item__label {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #B8960C;
  padding-top: 10px;
  border-top: 1px solid #B8960C;
  display: inline-block;
}

/* ============================================================
   HOME PAGE — Services Preview (2-col list)
   ============================================================ */
.services-preview__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 80px;
  margin-bottom: 48px;
}

.services-preview__list {
  list-style: none;
}

.services-preview__list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid #E8E8E8;
  font-size: 0.95rem;
  font-weight: 500;
  color: #1B2A4A;
  letter-spacing: 0.02em;
}

.services-preview__list li::before {
  content: '→';
  color: #B8960C;
  font-size: 0.9rem;
  flex-shrink: 0;
  margin-top: 2px;
  font-weight: 400;
}

.services-preview__list li:first-child {
  border-top: 1px solid #E8E8E8;
}

/* ============================================================
   HOME PAGE — CTA Banner
   ============================================================ */
.cta-banner {
  background-color: #1B2A4A;
  padding: 80px 0;
  text-align: center;
}

.cta-banner h2 {
  color: #FFFFFF;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 16px;
}

.cta-banner__sub {
  color: rgba(255,255,255,0.65);
  font-size: 1rem;
  margin-bottom: 40px;
  letter-spacing: 0.03em;
}

/* ============================================================
   SERVICES PAGE — Service Cards
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.service-card {
  background-color: #FFFFFF;
  border-top: 3px solid #1B2A4A;
  padding: 40px 36px;
  border-left: 1px solid #E8E8E8;
  border-right: 1px solid #E8E8E8;
  border-bottom: 1px solid #E8E8E8;
}

.service-card__number {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 1.6rem;
  font-weight: 300;
  color: #B8960C;
  letter-spacing: 0.14em;
  margin-bottom: 16px;
  display: block;
}

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  letter-spacing: 0.06em;
}

.service-card p {
  font-size: 0.95rem;
  line-height: 1.75;
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-body__text h2 {
  margin-bottom: 32px;
}

.about-body__text p + p {
  margin-top: 20px;
}

.about-body__aside {
  padding-top: 8px;
}

.about-pull {
  border-left: 3px solid #B8960C;
  padding: 24px 0 24px 32px;
}

.about-pull p {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 1.4rem;
  font-weight: 300;
  line-height: 1.5;
  color: #1B2A4A;
  letter-spacing: 0.03em;
  font-style: italic;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid #E8E8E8;
}

.value-item {
  padding: 48px 40px 48px 0;
  border-top: 3px solid #B8960C;
  margin-top: -3px;
}

.value-item + .value-item {
  padding-left: 40px;
  border-left: 1px solid #E8E8E8;
}

.value-item h3 {
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.value-item p {
  font-size: 0.93rem;
  line-height: 1.75;
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 80px;
  align-items: start;
}

/* Form */
.contact-form {
  width: 100%;
}

.form-group {
  margin-bottom: 28px;
}

.form-group label {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #1B2A4A;
  margin-bottom: 10px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: #1B2A4A;
  background-color: #FFFFFF;
  border: 1px solid #E8E8E8;
  border-radius: 0;
  outline: none;
  transition: border-color 0.2s ease;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #1B2A4A;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #aab0be;
  font-weight: 300;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%231B2A4A' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-group textarea {
  height: 140px;
  resize: vertical;
  min-height: 120px;
}

.form-group--optional label::after {
  content: ' (optional)';
  font-weight: 300;
  color: #8a94a6;
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.75rem;
}

.form-error {
  display: none;
  font-size: 0.78rem;
  color: #8B1A1A;
  margin-top: 6px;
  letter-spacing: 0.02em;
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: #8B1A1A;
}

.form-group.has-error .form-error {
  display: block;
}

.form-success {
  display: none;
  padding: 20px 24px;
  background-color: #F0F4F0;
  border-left: 3px solid #2D6A4F;
  font-size: 0.92rem;
  color: #1B2A4A;
  margin-top: 24px;
}

/* Contact info aside */
.contact-info {
  padding-top: 8px;
}

.contact-info__name {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #1B2A4A;
  margin-bottom: 28px;
}

.contact-info__line {
  font-size: 0.93rem;
  color: #3a4a62;
  margin-bottom: 10px;
  display: flex;
  flex-direction: column;
}

.contact-info__line span:first-child {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #B8960C;
  margin-bottom: 4px;
}

.contact-info__line a {
  color: #1B2A4A;
  transition: opacity 0.2s;
}

.contact-info__line a:hover {
  opacity: 0.7;
}

.contact-info__divider {
  width: 100%;
  height: 1px;
  background-color: #B8960C;
  margin: 28px 0;
  opacity: 0.4;
}

.contact-info__note {
  font-size: 0.88rem;
  color: #6a7a92;
  font-style: italic;
  line-height: 1.6;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background-color: #FFFFFF;
  border-top: 1px solid #E8E8E8;
  padding: 48px 0 0;
}

.footer__main {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 40px;
  padding-bottom: 40px;
}

.footer__logo img {
  height: 80px;
  width: auto;
}

.footer__nav {
  display: flex;
  gap: 32px;
}

.footer__nav a {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #1B2A4A;
  transition: color 0.2s;
}

.footer__nav a:hover {
  color: #B8960C;
}

.footer__contact {
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer__address {
  font-size: 0.82rem;
  color: #3a4a62;
  line-height: 1.6;
  margin-bottom: 8px;
}

.footer__contact a {
  font-size: 0.88rem;
  color: #3a4a62;
  transition: color 0.2s;
}

.footer__contact a:hover {
  color: #B8960C;
}

.footer__bottom {
  border-top: 1px solid #E8E8E8;
  padding: 20px 0;
  text-align: center;
}

.footer__bottom p {
  font-size: 0.78rem;
  color: #8a94a6;
  letter-spacing: 0.04em;
}

/* ============================================================
   PAGE HEADER (inner pages)
   ============================================================ */
.page-header {
  padding: 80px 0 72px;
  border-bottom: 1px solid #E8E8E8;
}

.page-header h1 {
  margin-bottom: 20px;
}

.page-header__sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #3a4a62;
  max-width: 600px;
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.section-header {
  margin-bottom: 56px;
}

.section-header--center {
  text-align: center;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1rem;
  max-width: 560px;
  color: #3a4a62;
}

.section-header--center p {
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   RESPONSIVE — Tablet (768px)
   ============================================================ */
@media (max-width: 900px) {
  .container {
    padding: 0 24px;
  }

  .section {
    padding: 72px 0;
  }

  /* Nav */
  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  /* Hero */
  .hero {
    padding: 80px 0 72px;
  }

  .hero__watermark {
    width: 320px;
    right: -40px;
    opacity: 0.03;
  }

  /* Services intro 3-col → 1-col */
  .services-intro {
    grid-template-columns: 1fr;
  }

  .services-intro__item {
    padding: 32px 0;
  }

  .services-intro__item + .services-intro__item {
    padding-left: 0;
    border-left: none;
    border-top: 1px solid #E8E8E8;
  }

  /* Stats 4-col → 2-col */
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 0;
  }

  .stat-item {
    border-right: none;
    padding: 0;
  }

  .stat-item:nth-child(odd) {
    border-right: 1px solid #E8E8E8;
    padding-right: 24px;
  }

  .stat-item:nth-child(even) {
    padding-left: 24px;
  }

  /* Services preview */
  .services-preview__grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  /* Services grid */
  .services-grid {
    grid-template-columns: 1fr;
  }

  /* About */
  .about-body {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .value-item {
    padding: 32px 0;
  }

  .value-item + .value-item {
    padding-left: 0;
    border-left: none;
    border-top: 1px solid #E8E8E8;
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  /* Footer */
  .footer__main {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 24px;
  }

  .footer__logo img {
    margin: 0 auto;
  }

  .footer__nav {
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px 28px;
  }

  .footer__contact {
    text-align: center;
  }
}

/* ============================================================
   RESPONSIVE — Mobile (480px and below)
   ============================================================ */
@media (max-width: 480px) {
  .container {
    padding: 0 20px;
  }

  .section {
    padding: 56px 0;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.7rem; }

  .hero--home {
    padding: 64px 0 56px;
  }

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

  .stat-item__number {
    font-size: 2.4rem;
  }

  .nav__inner {
    height: 110px;
  }

  .nav--scrolled .nav__inner {
    height: 64px;
  }

  .nav__logo img {
    height: 80px;
  }

  .nav--scrolled .nav__logo img {
    height: 44px;
  }

  .nav__mobile {
    padding: 20px 20px 28px;
  }

  .btn {
    padding: 13px 28px;
    font-size: 0.75rem;
  }

  .service-card {
    padding: 28px 24px;
  }

  .cta-banner {
    padding: 56px 0;
  }

  .footer {
    padding: 40px 0 0;
  }

  .contact-grid {
    gap: 40px;
  }
}