:root {
  --white: #ffffff;
  --off: #f7f3ed;
  --sand: #ded2c1;
  --stone: #c8c3bb;
  --graphite: #2b2b2a;
  --ink: #121212;
  --muted: #6f6a62;
  --line: rgba(43, 43, 42, 0.14);
  --shadow: 0 24px 80px rgba(18, 18, 18, 0.16);
  --img-hero: url("https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?auto=format&fit=crop&w=2200&q=82");
  --img-project-1: url("https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&w=1200&q=82");
  --img-project-2: url("https://images.unsplash.com/photo-1600210492486-724fe5c67fb0?auto=format&fit=crop&w=1200&q=82");
  --img-project-3: url("https://images.unsplash.com/photo-1600566753190-17f0baa2a6c3?auto=format&fit=crop&w=1200&q=82");
  --img-project-4: url("https://images.unsplash.com/photo-1497366754035-f200968a6e72?auto=format&fit=crop&w=1200&q=82");
  --img-about: url("https://images.unsplash.com/photo-1503387762-592deb58ef4e?auto=format&fit=crop&w=1400&q=82");
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--graphite);
  background: var(--off);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

button,
input,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 3px solid #9f7f55;
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  background: var(--ink);
  color: var(--white);
  padding: 0.75rem 1rem;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 0.55rem clamp(1.25rem, 4vw, 4rem);
  color: var(--white);
  transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease;
  background: rgba(18, 18, 18, 0.18);
  backdrop-filter: blur(10px);
}

.site-header.is-scrolled,
.site-header.is-open {
  background: rgba(18, 18, 18, 0.78);
  color: var(--white);
  box-shadow: 0 1px 0 var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

.brand img {
  display: block;
  width: clamp(7.6rem, 9.3vw, 9.6rem);
  height: auto;
  transition: filter 180ms ease, transform 180ms ease;
}

.site-header.is-scrolled .brand img,
.site-header.is-open .brand img {
  filter: none;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  font-size: 0.92rem;
}

.main-nav a {
  opacity: 0.88;
}

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

.nav-cta {
  border: 1px solid currentColor;
  padding: 0.7rem 1rem;
}

.menu-button {
  display: none;
  border: 1px solid currentColor;
  background: transparent;
  color: inherit;
  padding: 0.65rem 0.85rem;
}

.hero {
  position: relative;
  min-height: 96vh;
  display: grid;
  align-items: end;
  padding: 9rem clamp(1.25rem, 6vw, 6rem) 6rem;
  color: var(--white);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(18, 18, 18, 0.72), rgba(18, 18, 18, 0.18)),
    var(--img-hero) center / cover no-repeat;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(18, 18, 18, 0.34), transparent 42%);
}

.hero-content {
  position: relative;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 1rem;
  color: #9f7f55;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--sand);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.05;
}

h1 {
  max-width: 820px;
  font-size: clamp(3rem, 8vw, 6.8rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 4rem);
}

h3 {
  font-size: 1.35rem;
}

.hero p:not(.eyebrow) {
  max-width: 560px;
  font-size: clamp(1rem, 1.8vw, 1.25rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.85rem 1.25rem;
  border: 1px solid currentColor;
}

.button.primary {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}

.hero .button.primary {
  background: var(--white);
  color: var(--ink);
  border-color: var(--white);
}

.button.secondary {
  color: var(--white);
}

.section {
  padding: clamp(4rem, 8vw, 8rem) clamp(1.25rem, 6vw, 6rem);
}

.intro-band {
  background: var(--graphite);
  color: var(--off);
  text-align: center;
}

.intro-band p {
  margin: 0 auto;
  max-width: 820px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.6rem, 3vw, 3rem);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 2.5rem;
}

.section-heading p:last-child {
  color: var(--muted);
  font-size: 1.05rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.project-card {
  background: var(--white);
  border: 1px solid var(--line);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.project-card > div:last-child {
  padding: 1.25rem;
}

.project-card p {
  margin: 0 0 0.55rem;
  color: #9f7f55;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.project-card span {
  color: var(--muted);
}

.project-image {
  min-height: 360px;
  background-size: cover;
  background-position: center;
}

.image-1 { background-image: var(--img-project-1); }
.image-2 { background-image: var(--img-project-2); }
.image-3 { background-image: var(--img-project-3); }
.image-4 { background-image: var(--img-project-4); }

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  padding: clamp(4rem, 8vw, 8rem) clamp(1.25rem, 6vw, 6rem);
  background: var(--white);
}

.portrait {
  min-height: 620px;
  background:
    linear-gradient(180deg, rgba(18,18,18,0.02), rgba(18,18,18,0.12)),
    var(--img-about) center / cover no-repeat;
}

.section-copy {
  max-width: 620px;
}

.section-copy p {
  color: var(--muted);
}

.note {
  border-left: 3px solid var(--sand);
  padding-left: 1rem;
  font-size: 0.9rem;
}

.text-link {
  display: inline-flex;
  margin-top: 1rem;
  border-bottom: 1px solid currentColor;
  color: var(--ink);
}

.services {
  background: var(--off);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-grid article {
  min-height: 250px;
  padding: 2rem;
  background: var(--off);
}

.service-grid span {
  color: #9f7f55;
  font-weight: 700;
}

.service-grid p {
  color: var(--muted);
}

.process {
  padding: clamp(4rem, 8vw, 8rem) clamp(1.25rem, 6vw, 6rem);
  background: var(--graphite);
  color: var(--off);
}

.process ol {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: rgba(255,255,255,0.18);
}

.process li {
  min-height: 160px;
  padding: 1.5rem;
  background: var(--graphite);
  counter-increment: item;
}

.process li::before {
  content: "0" counter(item);
  display: block;
  margin-bottom: 1.5rem;
  color: var(--sand);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

blockquote {
  margin: 0;
  padding: 2rem;
  background: var(--white);
  border: 1px solid var(--line);
}

blockquote p {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
}

cite {
  color: var(--muted);
  font-style: normal;
}

.final-cta {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.7fr);
  gap: clamp(2rem, 6vw, 6rem);
  padding: clamp(4rem, 8vw, 8rem) clamp(1.25rem, 6vw, 6rem);
  background: var(--white);
}

.final-cta p {
  color: var(--muted);
}

.contact-form {
  display: grid;
  gap: 1rem;
}

label {
  display: grid;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.9rem;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--off);
  color: var(--graphite);
  padding: 0.85rem 1rem;
}

.whatsapp {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 9;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4.25rem;
  height: 4.25rem;
  border-radius: 50%;
  background: linear-gradient(180deg, #32d74b 0%, #10a01f 100%);
  color: var(--white);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.28), inset 0 0 0 2px rgba(255, 255, 255, 0.7);
  isolation: isolate;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.whatsapp::after {
  content: "";
  position: absolute;
  left: 0.35rem;
  bottom: 0.18rem;
  width: 1.25rem;
  height: 1.25rem;
  background: #10a01f;
  clip-path: polygon(0 100%, 100% 24%, 78% 100%);
  transform: rotate(-10deg);
  z-index: 0;
}

.whatsapp svg {
  width: 2.25rem;
  height: 2.25rem;
  fill: currentColor;
  position: relative;
  z-index: 1;
}

.whatsapp:hover,
.whatsapp:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 22px 40px rgba(0, 0, 0, 0.34), inset 0 0 0 2px rgba(255, 255, 255, 0.8);
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  padding: 2rem clamp(1.25rem, 6vw, 6rem);
  background: var(--ink);
  color: var(--off);
}

.site-footer nav {
  display: flex;
  gap: 1rem;
}

.site-footer p:last-child {
  text-align: right;
}

@media (max-width: 1080px) {
  .project-grid,
  .service-grid,
  .testimonial-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process ol {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-header {
    padding: 0.55rem 1.1rem;
    gap: 1rem;
  }
  .brand img {
    width: 6.25rem;
  }

  .menu-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 3.8rem;
  }

  .main-nav {
    position: absolute;
    inset: 100% 0 auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem 1.25rem 1.5rem;
    background: var(--off);
    color: var(--graphite);
    box-shadow: 0 16px 32px rgba(18, 18, 18, 0.12);
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    padding: 0.9rem 0;
  }

  .nav-cta {
    margin-top: 0.5rem;
    text-align: center;
  }

  .hero {
    min-height: 92vh;
    padding: 7.5rem 1.25rem 4rem;
  }

  .hero-media {
    background-position: center;
  }

  h1 {
    font-size: clamp(2.4rem, 14vw, 4rem);
  }

  h2 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .actions,
  .site-footer nav {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
    text-align: center;
  }

  .section,
  .split-section,
  .process,
  .final-cta {
    padding: 4rem 1.25rem;
  }

  .project-grid,
  .service-grid,
  .testimonial-grid,
  .split-section,
  .final-cta,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .project-image {
    min-height: 280px;
  }

  .portrait {
    min-height: 420px;
  }

  .service-grid article {
    min-height: auto;
    padding: 1.5rem;
  }

  .process ol {
    grid-template-columns: 1fr;
  }

  .process li {
    min-height: auto;
  }

  blockquote {
    padding: 1.5rem;
  }

  blockquote p {
    font-size: 1.18rem;
  }

  .whatsapp {
    right: 1rem;
    bottom: 1rem;
  }

  .site-footer p:last-child {
    text-align: left;
  }
}

@media (max-width: 420px) {
  .brand img {
    width: 5.35rem;
  }

  .hero {
    padding-top: 6.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}