/* =====================
   NEVRA — style.css
   ===================== */

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

:root {
  --charcoal: #343128;
  --shadow: #232426;
  --reddish: #A34D30;
  --porcelain: #FCFCF4;
  --alabaster: #F1EFE8;
  --dim: #5C6063;
  --khaki: #B9AD9D;
  --rosy: #989495;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  background: var(--porcelain);
  color: var(--charcoal);
  font-size: 16px;
  line-height: 1.7;
}

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

img { display: block; width: 100%; height: 100%; object-fit: cover; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ---- SECTION LABELS ---- */
.section-label {
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--reddish);
  font-weight: 500;
  margin-bottom: 8px;
}

.section-title {
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--charcoal);
  margin-bottom: 2rem;
  line-height: 1.3;
}

/* =====================
   NAV
   ===================== */
.nav {
  background: var(--charcoal);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 32px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-logo {
  color: var(--porcelain);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 4px;
}

.nav-slogan {
  font-size: 10px;
  color: var(--dim);
  letter-spacing: 2px;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  color: var(--porcelain);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.nav-links a:last-child {
  opacity: 1;
  color: var(--reddish);
}

.nav-links a:hover { opacity: 1; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--porcelain);
  transition: all 0.3s;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--shadow);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s;
}

.nav-mobile.open {
  display: flex;
  max-height: 200px;
  padding: 12px 32px 20px;
}

.nav-mobile a {
  color: var(--porcelain);
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 10px 0;
  border-bottom: 0.5px solid rgba(255,255,255,0.08);
  opacity: 0.85;
}

/* =====================
   HERO
   ===================== */
.hero {
  background: var(--charcoal);
  padding: 80px 32px 72px;
}

.hero-inner {
  max-width: 600px;
  margin: 0 auto;
}

.hero-tag {
  color: var(--reddish);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 20px;
}

.hero-title {
  color: var(--porcelain);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}

.hero-title strong { font-weight: 600; }

.hero-sub {
  color: var(--khaki);
  font-size: 14px;
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--porcelain);
  color: var(--charcoal);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 14px 30px;
  border: 2px solid var(--porcelain);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  display: inline-block;
}

.btn-primary:hover {
  background: transparent;
  color: var(--porcelain);
}

.btn-ghost {
  background: transparent;
  color: var(--porcelain);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 14px 30px;
  border: 2px solid var(--porcelain);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  display: inline-block;
}

.btn-ghost:hover {
  background: var(--porcelain);
  color: var(--charcoal);
}

/* =====================
   VALORES
   ===================== */
.valores {
  background: var(--porcelain);
  padding: 72px 0;
}

.valores-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.valor-card {
  background: var(--charcoal);
  padding: 32px 24px;
}

.valor-num {
  font-size: 10px;
  color: var(--reddish);
  letter-spacing: 2px;
  margin-bottom: 14px;
  font-weight: 500;
}

.valor-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--porcelain);
  margin-bottom: 10px;
}

.valor-desc {
  font-size: 12px;
  color: var(--khaki);
  line-height: 1.7;
  font-weight: 300;
}

/* =====================
   NOSOTROS
   ===================== */
.nosotros {
  background: var(--alabaster);
  padding: 72px 0;
}

.nosotros-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.nosotros-img {
  background: var(--charcoal);
  height: 340px;
  overflow: hidden;
}

.nosotros-img.img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
}

.nosotros-img.img-placeholder::after {
  content: 'foto / render';
  color: var(--dim);
  font-size: 11px;
  letter-spacing: 2px;
}

.nosotros-text p {
  font-size: 14px;
  color: var(--dim);
  line-height: 1.85;
  font-weight: 300;
}

/* =====================
   PROYECTOS
   ===================== */
.proyectos {
  background: var(--porcelain);
  padding: 72px 0;
}

.proj-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.proj-card {
  background: var(--charcoal);
  overflow: hidden;
}

.proj-card--next {
  opacity: 0.45;
}

.proj-img {
  height: 220px;
  background: var(--shadow);
  overflow: hidden;
}

.proj-img.img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
}

.proj-img.img-placeholder::after {
  content: 'render / foto';
  color: var(--dim);
  font-size: 10px;
  letter-spacing: 2px;
}

.proj-info {
  padding: 20px 22px 24px;
}

.proj-estado {
  font-size: 9px;
  color: var(--reddish);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 6px;
}

.proj-name {
  font-size: 16px;
  font-weight: 500;
  color: var(--porcelain);
  margin-bottom: 4px;
}

.proj-loc {
  font-size: 12px;
  color: var(--rosy);
  font-weight: 300;
  margin-bottom: 14px;
}

.proj-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.proj-tag {
  font-size: 9px;
  color: var(--khaki);
  border: 0.5px solid var(--dim);
  padding: 4px 10px;
  letter-spacing: 1px;
}

.proj-btn {
  display: inline-block;
  background: transparent;
  color: var(--porcelain);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 10px 20px;
  border: 1px solid var(--porcelain);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.proj-btn:hover {
  background: var(--porcelain);
  color: var(--charcoal);
}

/* =====================
   CONTACTO
   ===================== */
.contacto {
  background: var(--charcoal);
  padding: 80px 0;
}

.contacto-inner {
  text-align: center;
}

.contacto-title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 300;
  color: var(--porcelain);
  letter-spacing: 0.5px;
  margin-bottom: 10px;
  line-height: 1.3;
}

.contacto-title strong { font-weight: 600; }

.contacto-sub {
  font-size: 14px;
  color: var(--khaki);
  margin-bottom: 40px;
  font-weight: 300;
}

.contact-box {
  background: var(--shadow);
  padding: 36px;
  max-width: 380px;
  margin: 0 auto;
}

.contact-tel {
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--porcelain);
  letter-spacing: 2px;
  margin-bottom: 4px;
}

.contact-label {
  font-size: 10px;
  color: var(--dim);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.btn-whatsapp {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--reddish);
  color: var(--porcelain);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 15px 24px;
  width: 100%;
  margin-bottom: 18px;
  transition: opacity 0.2s;
}

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

.contact-ig {
  font-size: 12px;
  color: var(--dim);
  letter-spacing: 1px;
}

.contact-ig a {
  color: var(--reddish);
  transition: opacity 0.2s;
}

.contact-ig a:hover { opacity: 0.75; }

/* =====================
   FOOTER
   ===================== */
.footer {
  background: var(--shadow);
  padding: 22px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-logo {
  color: var(--porcelain);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 4px;
}

.footer-copy {
  font-size: 11px;
  color: var(--dim);
  font-weight: 300;
}

/* =====================
   RESPONSIVE
   ===================== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .hero { padding: 56px 24px 48px; }
  .hero-inner { max-width: 100%; }

  .container { padding: 0 24px; }

  .valores { padding: 56px 0; }
  .valores-grid { grid-template-columns: 1fr; gap: 12px; }

  .nosotros { padding: 56px 0; }
  .nosotros-inner { grid-template-columns: 1fr; gap: 32px; }
  .nosotros-img { height: 240px; }

  .proyectos { padding: 56px 0; }
  .proj-grid { grid-template-columns: 1fr; }

  .contacto { padding: 56px 0; }
  .contact-box { padding: 28px 20px; }

  .footer { flex-direction: column; text-align: center; padding: 20px 24px; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; }
  .btn-primary, .btn-ghost { text-align: center; width: 100%; }
}