/* Atelier Belmonte — Diseño de interiores premium, España */
:root {
  --ink: #1c1916;
  --ink-soft: #3a342e;
  --stone: #ebe4d8;
  --stone-deep: #d6cbb8;
  --paper: #f7f3ec;
  --brass: #b08a4a;
  --brass-light: #c9a66b;
  --olive: #5c6650;
  --white: #fffcf7;
  --max: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 1.05rem;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  padding: 1.1rem 0;
  transition: background 0.4s var(--ease), backdrop-filter 0.4s, padding 0.3s;
}

.site-header.is-scrolled {
  background: rgba(247, 243, 236, 0.92);
  backdrop-filter: blur(12px);
  padding: 0.75rem 0;
  box-shadow: 0 1px 0 rgba(28, 25, 22, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--white);
  transition: color 0.3s;
}

.site-header.is-scrolled .logo,
.site-header.is-scrolled .nav a {
  color: var(--ink);
}

.nav {
  display: flex;
  gap: 1.75rem;
  align-items: center;
}

.nav a {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 252, 247, 0.88);
  transition: color 0.25s, opacity 0.25s;
}

.nav a:hover {
  color: var(--brass-light);
}

.nav .nav-cta {
  border: 1px solid currentColor;
  padding: 0.55rem 1.1rem;
}

.nav .nav-cta:hover {
  background: var(--brass);
  border-color: var(--brass);
  color: var(--white);
}

.menu-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  width: 2rem;
  height: 1.5rem;
  position: relative;
}

.menu-toggle span {
  position: absolute;
  left: 0;
  right: 0;
  height: 1.5px;
  background: var(--white);
  transition: 0.3s;
}

.site-header.is-scrolled .menu-toggle span {
  background: var(--ink);
}

.menu-toggle span:nth-child(1) { top: 0.2rem; }
.menu-toggle span:nth-child(2) { top: 0.65rem; }
.menu-toggle span:nth-child(3) { top: 1.1rem; }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  align-items: end;
  color: var(--white);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  animation: heroZoom 14s var(--ease) forwards;
}

@keyframes heroZoom {
  to { transform: scale(1); }
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(28, 25, 22, 0.45) 0%, rgba(28, 25, 22, 0.25) 40%, rgba(28, 25, 22, 0.78) 100%),
    radial-gradient(ellipse at 30% 20%, rgba(176, 138, 74, 0.18), transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 0 0 5.5rem;
  max-width: 38rem;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: 0.02em;
  margin-bottom: 1.25rem;
  opacity: 0;
  animation: rise 1s var(--ease) 0.2s forwards;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  font-weight: 400;
  font-style: italic;
  line-height: 1.35;
  color: rgba(255, 252, 247, 0.92);
  margin-bottom: 1rem;
  max-width: 22ch;
  opacity: 0;
  animation: rise 1s var(--ease) 0.4s forwards;
}

.hero-lead {
  font-size: 1rem;
  color: rgba(255, 252, 247, 0.78);
  margin-bottom: 2rem;
  max-width: 36ch;
  opacity: 0;
  animation: rise 1s var(--ease) 0.55s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  opacity: 0;
  animation: rise 1s var(--ease) 0.7s forwards;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.6rem;
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.3s, color 0.3s, border-color 0.3s, transform 0.3s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--brass);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--brass-light);
}

.btn-ghost {
  border-color: rgba(255, 252, 247, 0.55);
  color: var(--white);
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--white);
  background: rgba(255, 252, 247, 0.08);
}

.btn-dark {
  background: var(--ink);
  color: var(--white);
}

.btn-dark:hover {
  background: var(--ink-soft);
}

/* Intro */
.intro {
  padding: 6rem 0 4rem;
  background:
    linear-gradient(165deg, var(--paper) 0%, var(--stone) 100%);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3.5rem;
  align-items: end;
}

.eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 1rem;
}

.intro h2,
.section-head h2,
.cta h2 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: 0.01em;
}

.intro p {
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem 3rem;
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(28, 25, 22, 0.12);
}

.trust-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.trust-item span {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* Projects — 7 bloques */
.projects {
  padding: 2rem 0 5rem;
  background: var(--paper);
}

.section-head {
  margin-bottom: 3rem;
  max-width: 36rem;
}

.section-head p {
  margin-top: 0.85rem;
  color: var(--ink-soft);
}

.project {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 0;
  min-height: 520px;
  margin-bottom: 2.5rem;
  background: var(--white);
  overflow: hidden;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.project.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.project:nth-child(even) {
  grid-template-columns: 1fr 1.15fr;
}

.project:nth-child(even) .project-media {
  order: 2;
}

.project:nth-child(even) .project-body {
  order: 1;
}

.project-media {
  position: relative;
  min-height: 320px;
  overflow: hidden;
}

.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease);
}

.project:hover .project-media img {
  transform: scale(1.05);
}

.project-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 4vw, 3.5rem);
  background:
    linear-gradient(135deg, var(--white) 0%, #f3ede3 100%);
}

.project-num {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--brass);
  letter-spacing: 0.16em;
  margin-bottom: 0.85rem;
}

.project-body h3 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  font-weight: 500;
  line-height: 1.15;
  margin-bottom: 0.5rem;
}

.project-loc {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--olive);
  margin-bottom: 1.25rem;
}

.project-body p {
  color: var(--ink-soft);
  margin-bottom: 1.1rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.project-tags li {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--stone-deep);
  padding-bottom: 0.15rem;
}

/* Method */
.method {
  padding: 5.5rem 0;
  background: var(--ink);
  color: var(--stone);
}

.method .eyebrow {
  color: var(--brass-light);
}

.method h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 500;
  color: var(--white);
  margin-bottom: 2.5rem;
  max-width: 18ch;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.method-card h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.method-card p {
  color: rgba(235, 228, 216, 0.72);
  font-size: 0.98rem;
}

.method-card {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(196, 164, 110, 0.35);
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.method-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* CTA */
.cta {
  padding: 6rem 0;
  background:
    linear-gradient(120deg, rgba(28, 25, 22, 0.55), rgba(28, 25, 22, 0.72)),
    url("images/suite.jpg") center/cover no-repeat;
  color: var(--white);
  text-align: center;
}

.cta .eyebrow {
  color: var(--brass-light);
}

.cta h2 {
  margin: 0 auto 1rem;
  max-width: 16ch;
}

.cta p {
  max-width: 38ch;
  margin: 0 auto 2rem;
  color: rgba(255, 252, 247, 0.8);
}

.cta-form {
  display: grid;
  gap: 0.85rem;
  max-width: 420px;
  margin: 0 auto;
  text-align: left;
}

.cta-form label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.cta-form input,
.cta-form textarea,
.cta-form select {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(255, 252, 247, 0.35);
  background: rgba(28, 25, 22, 0.45);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.cta-form input::placeholder,
.cta-form textarea::placeholder {
  color: rgba(255, 252, 247, 0.5);
}

.cta-form select option {
  color: var(--ink);
}

.cta-form textarea {
  min-height: 110px;
  resize: vertical;
}

.form-note {
  font-size: 0.85rem;
  color: var(--brass-light);
  text-align: center;
  min-height: 1.2em;
}

/* Footer */
.site-footer {
  padding: 2.5rem 0;
  background: #141210;
  color: rgba(235, 228, 216, 0.65);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--stone);
}

/* Reveal utility */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .project,
  .project:nth-child(even) {
    grid-template-columns: 1fr;
  }

  .project:nth-child(even) .project-media,
  .project:nth-child(even) .project-body {
    order: initial;
  }

  .project-media {
    min-height: 280px;
    aspect-ratio: 16 / 10;
  }

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

  .nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(80vw, 300px);
    background: var(--ink);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 1.25rem;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
  }

  .nav.is-open {
    transform: translateX(0);
  }

  .nav a,
  .site-header.is-scrolled .nav a {
    color: var(--stone);
  }

  .menu-toggle {
    display: block;
    z-index: 110;
  }

  .hero-content {
    padding-bottom: 4rem;
  }
}

@media (max-width: 560px) {
  .trust-row {
    gap: 1.5rem 2rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
}