/* ============================================================
   THE HOU CO. — Global Stylesheet
   Premium Business Consulting for the Nigerian Diaspora
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400;1,500&family=Inter:wght@300;400;500;600;700&display=swap');

/* ── CSS Custom Properties ── */
:root {
  --black:        #0A0A0A;
  --dark:         #111111;
  --dark-2:       #1A1A1A;
  --dark-3:       #222222;
  --gold:         #C9A84C;
  --gold-light:   #E2C97E;
  --gold-dark:    #A07A2E;
  --white:        #FFFFFF;
  --off-white:    #F5F2EC;
  --grey-light:   #E8E5DF;
  --grey-mid:     #888888;
  --grey-dark:    #444444;

  --font-serif:   'Cormorant Garamond', Georgia, serif;
  --font-sans:    'Inter', system-ui, sans-serif;

  --nav-h:        80px;
  --transition:   0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm:    0 2px 12px rgba(0,0,0,0.08);
  --shadow-md:    0 8px 32px rgba(0,0,0,0.14);
  --shadow-lg:    0 20px 60px rgba(0,0,0,0.22);
  --radius-sm:    4px;
  --radius-md:    8px;
  --radius-lg:    16px;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Typography ── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  line-height: 1.15;
  font-weight: 500;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.8rem, 5vw, 5rem); }
h2 { font-size: clamp(2rem, 3.5vw, 3.2rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 1.9rem); }
h4 { font-size: 1.2rem; font-family: var(--font-sans); font-weight: 600; }
p { font-size: 1rem; color: var(--grey-dark); line-height: 1.8; }
.lead { font-size: 1.15rem; line-height: 1.8; }

/* ── Utility Classes ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}
.container--wide { max-width: 1400px; }
.section {
  padding: 100px 0;
}
.section--dark {
  background: var(--dark);
  color: var(--white);
}
.section--dark p { color: var(--grey-light); }
.section--off-white { background: var(--off-white); }
.section--gold { background: var(--gold); }

.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.text-white { color: var(--white); }

.gold-line {
  display: block;
  width: 60px;
  height: 3px;
  background: var(--gold);
  margin-bottom: 1.5rem;
}
.gold-line--center { margin: 0 auto 1.5rem; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2.2rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}
.btn--gold {
  background: var(--gold);
  color: var(--black);
}
.btn--gold:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,76,0.4);
}
.btn--outline-gold {
  border: 1px solid var(--gold);
  color: var(--gold);
}
.btn--outline-gold:hover {
  background: var(--gold);
  color: var(--black);
  transform: translateY(-2px);
}
.btn--outline-white {
  border: 1px solid rgba(255,255,255,0.5);
  color: var(--white);
}
.btn--outline-white:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}
.btn--dark {
  background: var(--dark);
  color: var(--white);
}
.btn--dark:hover {
  background: var(--dark-3);
  transform: translateY(-2px);
}

/* ── Navigation ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(10,10,10,0.97);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(201,168,76,0.2);
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}
.navbar__logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.navbar__logo-main {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.05em;
}
.navbar__logo-sub {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey-mid);
  margin-top: 2px;
}
.navbar__menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.navbar__menu a {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  position: relative;
  transition: color var(--transition);
}
.navbar__menu a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}
.navbar__menu a:hover,
.navbar__menu a.active {
  color: var(--gold);
}
.navbar__menu a:hover::after,
.navbar__menu a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}
.navbar__cta {
  padding: 0.6rem 1.5rem !important;
  font-size: 0.75rem !important;
  background: var(--gold);
  color: var(--black) !important;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
}
.navbar__cta:hover {
  background: var(--gold-light) !important;
  color: var(--black) !important;
}
.navbar__cta::after { display: none !important; }

/* ── Mobile Nav ── */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
}
.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
  border-radius: 2px;
}
.navbar__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar__hamburger.open span:nth-child(2) {
  opacity: 0;
}
.navbar__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.mobile-nav.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-nav a {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--white);
  transition: color var(--transition);
}
.mobile-nav a:hover { color: var(--gold); }
.mobile-nav .btn--gold { font-size: 0.85rem; margin-top: 1rem; }

/* ── Page Hero (inner pages) ── */
.page-hero {
  padding: calc(var(--nav-h) + 80px) 0 80px;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(201,168,76,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero__label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.2rem;
}
.page-hero h1 {
  color: var(--white);
  max-width: 700px;
  margin-bottom: 1.5rem;
}
.page-hero p {
  color: rgba(255,255,255,0.6);
  max-width: 580px;
  font-size: 1.1rem;
  line-height: 1.8;
}

/* ── Divider ── */
.gold-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.3;
  margin: 0;
}

/* ── Cards ── */
.card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

/* ── Client Logos ── */
.clients-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 3rem 4rem;
}
.clients-strip img {
  height: 44px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(0.5);
  opacity: 0;

}
.clients-strip img:hover {
  filter: brightness(0) invert(0.75) sepia(1) hue-rotate(2deg) saturate(3);
  opacity: 1;
}

/* ── Footer ── */
.footer {
  background: var(--black);
  padding: 80px 0 40px;
  border-top: 1px solid rgba(201,168,76,0.15);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 60px;
}
.footer__brand {
  max-width: 300px;
}
.footer__brand-name {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}
.footer__brand-tagline {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey-mid);
  margin-bottom: 1.5rem;
}
.footer__brand p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.8;
}
.footer__col h5 {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.footer__col ul li {
  margin-bottom: 0.75rem;
}
.footer__col ul li a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.footer__col ul li a:hover { color: var(--gold); }
.footer__col ul li span {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
}
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.07);
}
.footer__bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
}
.footer__social {
  display: flex;
  gap: 1rem;
}
.footer__social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.8rem;
  transition: var(--transition);
}
.footer__social a:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(201,168,76,0.1);
}

/* ── Scroll animations ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}
@media (max-width: 768px) {
  :root { --nav-h: 70px; }
  .section { padding: 70px 0; }
  .navbar__menu { display: none; }
  .navbar__hamburger { display: flex; }
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bottom { flex-direction: column; gap: 1rem; text-align: center; }
}
@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.8rem; }
}


/* ============================================================
   CONTACT PAGE — Additional Styles
   ============================================================ */

/* ── Contact Section Layout ── */
.contact-section {
  padding: 100px 0;
  background: var(--white);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 5rem;
  align-items: start;
}

/* ── Contact Info Panel ── */
.contact-info h2 {
  margin-bottom: 1.25rem;
}
.contact-info > p {
  margin-bottom: 2.5rem;
  max-width: 440px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.contact-detail__icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--off-white);
  border: 1px solid var(--grey-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-dark);
  font-size: 0.85rem;
  flex-shrink: 0;
  transition: background var(--transition), border-color var(--transition);
}
.contact-detail:hover .contact-detail__icon {
  background: rgba(201,168,76,0.1);
  border-color: var(--gold);
}
.contact-detail__text h5 {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--grey-mid);
  margin-bottom: 0.2rem;
}
.contact-detail__text a,
.contact-detail__text p {
  font-size: 0.92rem;
  color: var(--grey-dark);
  margin: 0;
  transition: color var(--transition);
}
.contact-detail__text a:hover {
  color: var(--gold-dark);
}

.contact-social {
  display: flex;
  gap: 0.75rem;
}
.contact-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--grey-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--grey-dark);
  font-size: 0.85rem;
  transition: var(--transition);
}
.contact-social a:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(201,168,76,0.08);
  transform: translateY(-2px);
}

/* ── Contact Form Wrap ── */
.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--grey-light);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-sm);
}
.contact-form-wrap > h3 {
  margin-bottom: 0.4rem;
}
.contact-form-wrap > p {
  font-size: 0.92rem;
  margin-bottom: 2rem;
  color: var(--grey-mid);
}

/* ── Form Elements ── */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1.25rem;
}
.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grey-dark);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  color: var(--dark);
  background: var(--off-white);
  border: 1px solid var(--grey-light);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  appearance: none;
  -webkit-appearance: none;
}
.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='%23888' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}
.form-group textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.7;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--grey-mid);
  font-size: 0.88rem;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.12);
}
.form-group input:invalid:not(:placeholder-shown),
.form-group select:invalid:not([value=""]),
.form-group textarea:invalid:not(:placeholder-shown) {
  border-color: #c0392b;
}

.form-submit {
  width: 100%;
  justify-content: center;
  padding: 1rem 2rem;
  font-size: 0.88rem;
  margin-top: 0.5rem;
  transition: var(--transition);
}
.form-submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* ── Form Error Banner ── */
.form-error {
  display: none;
  padding: 0.9rem 1.1rem;
  background: #fef2f2;
  border: 1px solid #fca5a5;
  border-left: 4px solid #dc2626;
  border-radius: var(--radius-sm);
  color: #991b1b;
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}
.form-error.visible {
  display: block;
}

/* ── Form Success State ── */
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 2rem;
  gap: 1rem;
}
.form-success.visible {
  display: flex;
}
.form-success i {
  font-size: 3rem;
  color: var(--gold);
}
.form-success h4 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--dark);
}
.form-success p {
  max-width: 380px;
  font-size: 0.95rem;
  color: var(--grey-dark);
  line-height: 1.75;
}

/* ── Locations Section ── */
.contact-locations {
  padding: 80px 0;
  background: var(--dark);
}
.contact-locations .eyebrow { color: var(--gold); }
.contact-locations h2 { color: var(--white); margin-bottom: 2.5rem; }

.locations-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
}
.location-card {
  background: var(--dark-2);
  border: 1px solid rgba(201,168,76,0.15);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.location-card:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.location-card__flag {
  font-size: 2.25rem;
  display: block;
  margin-bottom: 1rem;
  line-height: 1;
}
.location-card h4 {
  color: var(--white);
  margin-bottom: 0.3rem;
}
.location-card p {
  color: rgba(255,255,255,0.5);
  font-size: 0.88rem;
  margin-bottom: 0;
}
.location-card a {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gold);
  transition: color var(--transition);
}
.location-card a:hover { color: var(--gold-light); }

/* ── Contact Page Responsive ── */
@media (max-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
  .contact-info > p { max-width: 100%; }
}
@media (max-width: 768px) {
  .contact-form-wrap {
    padding: 2rem 1.5rem;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .locations-grid {
    grid-template-columns: 1fr;
  }
}