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

:root {
  --navy: #0a1628;
  --navy-light: #132240;
  --gold: #c9a96e;
  --gold-light: #dfc398;
  --white: #ffffff;
  --gray-100: #f7f8fa;
  --gray-200: #e8eaef;
  --gray-400: #8a8f9c;
  --gray-600: #4a4f5c;
  --gray-800: #1e2330;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: 1200px;
  --section-padding: 120px 0;
}

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

body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  line-height: 1.7;
  background: var(--white);
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: color 0.3s; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

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

/* ===== TYPOGRAPHY ===== */
.section-label {
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 24px;
  color: var(--navy);
}

.section-desc {
  font-size: 1.1rem;
  color: var(--gray-600);
  max-width: 640px;
  line-height: 1.8;
}

/* ===== ANIMATIONS ===== */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== HEADER / NAV ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background 0.4s, box-shadow 0.4s, padding 0.4s;
  padding: 20px 0;
}
.header.scrolled {
  background: rgba(10, 22, 40, 0.97);
  box-shadow: 0 2px 30px rgba(0,0,0,0.15);
  padding: 12px 0;
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 1px;
}
.logo span { color: var(--gold); }

.nav { display: flex; align-items: center; gap: 32px; }
.nav a {
  color: rgba(255,255,255,0.8);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: color 0.3s;
}
.nav a:hover { color: var(--gold); }

.lang-switch {
  border: 1px solid rgba(255,255,255,0.3);
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.8);
  cursor: pointer;
  transition: all 0.3s;
}
.lang-switch:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* In-nav language toggle */
.lang-toggle-nav {
  display: flex;
  gap: 0;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 4px;
  overflow: hidden;
  margin-left: 8px;
}
.lang-toggle-nav .lang-btn {
  padding: 6px 14px;
  font-size: 0.75rem;
  font-family: var(--font-sans);
  letter-spacing: 1px;
  background: transparent;
  color: rgba(255,255,255,0.6);
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}
.lang-toggle-nav .lang-btn.active {
  background: var(--gold);
  color: var(--navy);
  font-weight: 600;
}
.lang-toggle-nav .lang-btn:hover:not(.active) {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

/* Mobile menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all 0.3s;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  background: var(--navy);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  transition: transform 8s ease;
}
.hero:hover .hero-bg { transform: scale(1.05); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,22,40,0.85) 0%, rgba(10,22,40,0.4) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}
.hero-label {
  font-size: 0.8rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
  font-weight: 500;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: 3.75rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 24px;
}
.hero-title em {
  font-style: normal;
  color: var(--gold);
}
.hero-desc {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 560px;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--gold);
  color: var(--navy);
  padding: 16px 36px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: all 0.3s;
}
.hero-cta:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201,169,110,0.3);
}
.hero-cta svg { width: 16px; height: 16px; }

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ===== WHAT WE DO ===== */
.what-we-do {
  padding: var(--section-padding);
  background: var(--white);
}
.what-we-do .grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 60px;
}
.what-we-do .text-col { max-width: 520px; }
.question-list {
  margin: 32px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.question-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  background: var(--gray-100);
  border-left: 3px solid var(--gold);
  font-size: 1rem;
  color: var(--navy);
  font-weight: 500;
  transition: transform 0.3s;
}
.question-item:hover { transform: translateX(6px); }
.question-number {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--gold);
  font-weight: 700;
  min-width: 28px;
}
.img-frame {
  position: relative;
  overflow: hidden;
}
.img-frame img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.img-frame:hover img { transform: scale(1.05); }
.img-frame::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gold);
}

/* ===== SERVICES ===== */
.services {
  padding: var(--section-padding);
  background: var(--gray-100);
}
.services .header-area {
  text-align: center;
  margin-bottom: 64px;
}
.services .header-area .section-desc {
  margin: 0 auto;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.service-card {
  background: var(--white);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s, box-shadow 0.4s;
  border-bottom: 3px solid transparent;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(10,22,40,0.08);
  border-bottom-color: var(--gold);
}
.service-icon {
  width: 56px;
  height: 56px;
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
}
.service-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 1.5;
}
.service-card h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--navy);
  margin-bottom: 16px;
}
.service-card p {
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 12px;
}
.service-tagline {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold);
  font-style: italic;
}
.service-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  margin-bottom: 28px;
}

/* ===== APPROACH ===== */
.approach {
  padding: var(--section-padding);
  background: var(--navy);
  color: var(--white);
}
.approach .section-label { color: var(--gold); }
.approach .section-title { color: var(--white); }
.approach .section-desc { color: rgba(255,255,255,0.65); }
.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 64px;
}
.approach-card {
  padding: 40px 32px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  transition: all 0.4s;
  position: relative;
}
.approach-card:hover {
  border-color: var(--gold);
  background: rgba(201,169,110,0.05);
}
.approach-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--gold);
  transition: width 0.4s;
}
.approach-card:hover::before { width: 100%; }
.approach-number {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: rgba(201,169,110,0.2);
  font-weight: 700;
  margin-bottom: 20px;
}
.approach-card h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin-bottom: 16px;
  color: var(--white);
}
.approach-card p {
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== WHY VAMOS ===== */
.why-vamos {
  padding: var(--section-padding);
  background: var(--white);
}
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 48px;
}
.why-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.why-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px;
  transition: background 0.3s;
}
.why-item:hover { background: var(--gray-100); }
.why-check {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.why-check svg {
  width: 16px;
  height: 16px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 2;
}
.why-item h4 {
  font-size: 1.05rem;
  color: var(--navy);
  margin-bottom: 6px;
  font-weight: 600;
}
.why-item p {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ===== ABOUT ===== */
.about {
  padding: var(--section-padding);
  background: var(--gray-100);
}
.about .grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text p {
  color: var(--gray-600);
  font-size: 1rem;
  line-height: 1.9;
  margin-bottom: 20px;
}
.about-text p:last-child { margin-bottom: 0; }

/* ===== CONTACT / CTA ===== */
.contact {
  padding: var(--section-padding);
  background: var(--navy);
  text-align: center;
}
.contact .section-title { color: var(--white); }
.contact .section-desc {
  color: rgba(255,255,255,0.65);
  margin: 0 auto 48px;
  text-align: center;
}
.contact-form {
  max-width: 560px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 16px 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: border-color 0.3s;
  outline: none;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255,255,255,0.35);
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--gold);
}
.contact-form textarea {
  height: 140px;
  resize: vertical;
}
.submit-btn {
  background: var(--gold);
  color: var(--navy);
  border: none;
  padding: 18px 48px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s;
  font-family: var(--font-sans);
}
.submit-btn:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201,169,110,0.3);
}

/* ===== FOOTER ===== */
.footer {
  padding: 60px 0 40px;
  background: var(--gray-800);
  color: rgba(255,255,255,0.5);
}
.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--white);
  font-weight: 700;
}
.footer-logo span { color: var(--gold); }
.footer-links {
  display: flex;
  gap: 32px;
}
.footer-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  transition: color 0.3s;
}
.footer-links a:hover { color: var(--gold); }
.footer-info {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
}
.footer-business {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.8;
  margin-bottom: 16px;
}
.footer-copy {
  text-align: center;
  font-size: 0.8rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-title { font-size: 2.8rem; }
  .section-title { font-size: 2.2rem; }
  .services-grid { gap: 24px; }
  .service-card { padding: 36px 28px; }
}

@media (max-width: 768px) {
  :root { --section-padding: 80px 0; }

  .nav { display: none; }
  .nav.active {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: rgba(10,22,40,0.98);
    justify-content: center;
    align-items: center;
    gap: 28px;
    z-index: 999;
  }
  .nav.active a { font-size: 1.2rem; }
  .menu-toggle { display: flex; }

  .hero { min-height: 600px; }
  .hero-title { font-size: 2.2rem; }
  .hero-desc { font-size: 1rem; }

  .what-we-do .grid,
  .why-grid,
  .about .grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .approach-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .footer .container {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }

  .section-title { font-size: 1.9rem; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.75rem; }
  .hero-cta { padding: 14px 28px; font-size: 0.8rem; }
  .service-card { padding: 28px 20px; }
}