:root {
  --ink: #14171c;
  --ink-soft: #3a404a;
  --paper: #f2f0eb;
  --paper-2: #e6e3dc;
  --steel: #5c6b7a;
  --amber: #c9891a;
  --amber-deep: #a66d0f;
  --white: #ffffff;
  --line: rgba(20, 23, 28, 0.12);
  --shadow-soft: 0 18px 40px rgba(20, 23, 28, 0.12);
  --font-display: "Bricolage Grotesque", sans-serif;
  --font-body: "Karla", sans-serif;
  --wrap: min(1120px, calc(100% - 2.5rem));
  --header-h: 4.25rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --hatch: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 6px,
    rgba(20, 23, 28, 0.035) 6px,
    rgba(20, 23, 28, 0.035) 7px
  );
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background:
    var(--hatch),
    radial-gradient(ellipse 70% 40% at 90% 8%, rgba(201, 137, 26, 0.1), transparent 50%),
    radial-gradient(ellipse 60% 35% at 5% 40%, rgba(92, 107, 122, 0.08), transparent 45%),
    linear-gradient(180deg, #ebe8e1 0%, var(--paper) 30%, #eceae4 100%);
  -webkit-font-smoothing: antialiased;
}

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

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

a {
  color: inherit;
}

h1,
h2,
h3,
.hero-brand,
.logo,
.footer-brand {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

h1 {
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  margin: 0 0 1rem;
}

h2 {
  font-size: clamp(1.85rem, 4.5vw, 3rem);
  margin: 0 0 1rem;
}

p {
  margin: 0 0 1rem;
}

.wrap {
  width: var(--wrap);
  margin-inline: auto;
}

/* Logo mark */
.logo-mark {
  display: inline-block;
  width: 0.85rem;
  height: 0.85rem;
  margin-right: 0.45rem;
  background: var(--amber);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  vertical-align: 0.05em;
}

.footer-brand {
  display: flex;
  align-items: center;
}

.footer-brand .logo-mark {
  background: var(--ink);
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding: 0 1.25rem;
  background: rgba(242, 240, 235, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(242, 240, 235, 0.94);
}

.logo {
  display: inline-flex;
  align-items: center;
  font-size: 1.2rem;
  text-decoration: none;
  font-weight: 800;
}

.site-nav {
  display: flex;
  gap: 1.35rem;
  align-items: center;
}

.site-nav a {
  position: relative;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.2s ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 2px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.35rem;
  height: 2px;
  margin: 0.35rem auto;
  background: var(--ink);
  transition: transform 0.25s var(--ease), opacity 0.2s ease;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.75rem 1.35rem;
  border-radius: 0.35rem;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 0.2s var(--ease), background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn svg {
  flex-shrink: 0;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--amber);
  color: var(--ink);
}

.btn-primary:hover {
  background: var(--amber-deep);
  color: var(--white);
}

.btn-ghost {
  border: 1.5px solid rgba(20, 23, 28, 0.28);
  background: transparent;
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--ink);
  background: rgba(20, 23, 28, 0.04);
}

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

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 55% 40%;
  transform: scale(1.04);
  animation: hero-zoom 12s var(--ease) both;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(20, 23, 28, 0.25) 0%, rgba(20, 23, 28, 0.15) 35%, rgba(20, 23, 28, 0.78) 100%),
    linear-gradient(90deg, rgba(20, 23, 28, 0.45) 0%, transparent 55%);
}

.hero-frame {
  position: absolute;
  inset: auto 1.25rem 1.25rem;
  height: 3px;
  background: linear-gradient(90deg, var(--amber) 0%, var(--amber) 28%, transparent 28%);
  z-index: 2;
  animation: frame-in 1s var(--ease) 0.4s both;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: var(--wrap);
  margin: 0 auto;
  padding: calc(var(--header-h) + 2rem) 0 3.5rem;
  animation: rise 0.9s var(--ease) 0.15s both;
}

.hero-brand {
  margin: 0 0 0.85rem;
  font-size: clamp(2.8rem, 8vw, 5.2rem);
  font-weight: 800;
  color: var(--amber);
}

.hero-tagline {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.8vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  max-width: 18ch;
  color: rgba(255, 255, 255, 0.96);
}

.hero-lead {
  max-width: 34rem;
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero .btn-ghost {
  border-color: rgba(255, 255, 255, 0.45);
  color: var(--white);
}

.hero .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
}

.hero-scroll {
  position: absolute;
  right: 1.5rem;
  bottom: 2.5rem;
  z-index: 2;
  width: 1px;
  height: 3.5rem;
  background: rgba(255, 255, 255, 0.25);
  overflow: hidden;
}

.hero-scroll span {
  display: block;
  width: 100%;
  height: 40%;
  background: var(--amber);
  animation: scroll-line 1.8s var(--ease) infinite;
}

/* Section deco */
.section-deco {
  width: var(--wrap);
  margin: 0 auto 1.5rem;
  height: 2px;
  background: linear-gradient(90deg, var(--amber), transparent 40%);
}

.section-heading {
  max-width: 40rem;
}

.eyebrow {
  margin: 0 0 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}

/* Intro / pillars */
.intro {
  position: relative;
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}

.intro::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(42vw, 28rem);
  height: min(42vw, 28rem);
  background:
    radial-gradient(circle at center, rgba(201, 137, 26, 0.12), transparent 65%);
  pointer-events: none;
}

.intro-grid {
  display: grid;
  gap: 2.5rem;
}

.intro-text {
  max-width: 40rem;
  color: var(--ink-soft);
  font-size: 1.125rem;
  margin-bottom: 0;
}

.pillar-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.pillar a {
  position: relative;
  display: grid;
  gap: 0.75rem;
  height: 100%;
  padding: 1.5rem 1.35rem 1.35rem;
  text-decoration: none;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0.2)),
    var(--hatch);
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.3s var(--ease), background 0.25s ease;
}

.pillar a::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.pillar a:hover {
  border-color: rgba(201, 137, 26, 0.45);
  transform: translateY(-4px);
}

.pillar a:hover::before {
  transform: scaleX(1);
}

.pillar-icon {
  display: grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  color: var(--ink);
  background: rgba(201, 137, 26, 0.16);
  border: 1px solid rgba(201, 137, 26, 0.35);
  border-radius: 0.3rem;
}

.pillar-icon svg {
  width: 1.85rem;
  height: 1.85rem;
}

.pillar-num {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.pillar-title {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--ink);
}

.pillar-desc {
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.45;
}

.pillar-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.35rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--amber-deep);
}

.pillar a:hover .pillar-link svg {
  transform: translateX(3px);
}

.pillar-link svg {
  transition: transform 0.25s var(--ease);
}

/* Activities */
.activity {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
  width: var(--wrap);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.activity-reverse {
  direction: rtl;
}

.activity-reverse > * {
  direction: ltr;
}

.activity-visual,
.sika-media {
  position: relative;
  overflow: hidden;
  border-radius: 0.2rem;
  box-shadow: var(--shadow-soft);
}

.activity-visual {
  min-height: 28rem;
}

.activity-visual img {
  width: 100%;
  height: 100%;
  min-height: 28rem;
  object-fit: cover;
  transition: transform 1.1s var(--ease);
}

.activity-visual:hover img {
  transform: scale(1.04);
}

.visual-corner {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 3.5rem;
  height: 3.5rem;
  background:
    linear-gradient(135deg, transparent 50%, var(--amber) 50%);
  pointer-events: none;
}

.activity-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.activity-label .eyebrow {
  margin: 0;
}

.activity-icon {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  color: var(--ink);
  background: rgba(201, 137, 26, 0.16);
  border: 1px solid rgba(201, 137, 26, 0.35);
  border-radius: 0.25rem;
}

.activity-icon svg {
  width: 1.45rem;
  height: 1.45rem;
}

.activity-copy p {
  color: var(--ink-soft);
  max-width: 36rem;
}

.feature-list {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding: 0.65rem 0 0.65rem 1.35rem;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-weight: 500;
}

.feature-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--amber);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
}

/* Gallery */
.gallery {
  width: var(--wrap);
  margin: 0 auto;
  padding: 0 0 clamp(2rem, 5vw, 3.5rem);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
}

.gallery figure {
  margin: 0;
  overflow: hidden;
  border-radius: 0.2rem;
  background: var(--paper-2);
}

.gallery img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}

.gallery figure:hover img {
  transform: scale(1.05);
}

.gallery figcaption {
  padding: 0.7rem 0.15rem 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.split-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  width: min(1400px, 100%);
  margin: 0 auto;
  padding: 0 0 clamp(2rem, 5vw, 4rem);
}

.split-visual figure {
  margin: 0;
  overflow: hidden;
  position: relative;
}

.split-visual figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 70%, rgba(20, 23, 28, 0.25));
  pointer-events: none;
}

.split-visual img {
  width: 100%;
  height: clamp(16rem, 42vw, 32rem);
  object-fit: cover;
  transition: transform 1s var(--ease);
}

.split-visual figure:hover img {
  transform: scale(1.03);
}

/* Sika */
.sika {
  position: relative;
  overflow: hidden;
  padding: clamp(3rem, 7vw, 5.5rem) 0;
  background:
    linear-gradient(135deg, rgba(92, 107, 122, 0.12), transparent 45%),
    linear-gradient(180deg, #ddd9d0, #e8e4db);
}

.sika-pattern {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 47px,
      rgba(20, 23, 28, 0.04) 47px,
      rgba(20, 23, 28, 0.04) 48px
    );
  pointer-events: none;
}

.sika-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.sika-copy p {
  color: var(--ink-soft);
  max-width: 34rem;
}

.sika-media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.sika-gallery {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

.sika-gallery figure {
  margin: 0;
  overflow: hidden;
  border-radius: 0.2rem;
  background: rgba(255, 255, 255, 0.35);
}

.sika-gallery img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}

.sika-gallery figure:hover img {
  transform: scale(1.04);
}

.sika-gallery figcaption {
  padding: 0.65rem 0.1rem 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* Contact */
.contact {
  position: relative;
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.contact-details {
  font-style: normal;
  display: grid;
  gap: 0;
  padding: 0.35rem 0;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.25)),
    var(--hatch);
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  overflow: hidden;
}

.contact-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: start;
  padding: 1.15rem 1.25rem;
  border-bottom: 1px solid var(--line);
}

.contact-item:last-child {
  border-bottom: 0;
}

.contact-icon {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  color: var(--ink);
  background: rgba(201, 137, 26, 0.16);
  border: 1px solid rgba(201, 137, 26, 0.35);
  border-radius: 0.25rem;
}

.contact-icon svg {
  width: 1.3rem;
  height: 1.3rem;
}

.contact-item p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.contact-item strong {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}

.contact-item a {
  text-decoration: none;
  font-weight: 600;
  color: var(--ink);
}

.contact-item a:hover {
  color: var(--amber-deep);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2rem;
  background: rgba(20, 23, 28, 0.03);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: baseline;
}

.footer-brand {
  margin: 0;
  font-size: 1.1rem;
}

.site-footer p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

/* Motion */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.pillar.reveal:nth-child(2) {
  transition-delay: 0.08s;
}

.pillar.reveal:nth-child(3) {
  transition-delay: 0.16s;
}

@keyframes hero-zoom {
  from {
    transform: scale(1.1);
  }
  to {
    transform: scale(1.04);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes frame-in {
  from {
    transform: scaleX(0);
    transform-origin: left;
  }
  to {
    transform: scaleX(1);
    transform-origin: left;
  }
}

@keyframes scroll-line {
  0% {
    transform: translateY(-100%);
  }
  100% {
    transform: translateY(280%);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal,
  .hero-content,
  .hero-media img,
  .hero-frame,
  .hero-scroll span {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* Responsive */
@media (max-width: 960px) {
  .pillar-grid {
    grid-template-columns: 1fr;
  }

  .activity,
  .activity-reverse,
  .sika-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .activity-visual,
  .activity-visual img {
    min-height: 22rem;
  }

  .gallery {
    grid-template-columns: repeat(2, 1fr);
  }

  .sika-gallery {
    grid-template-columns: repeat(2, 1fr);
  }

  .split-visual {
    grid-template-columns: 1fr;
    padding-inline: 1.25rem;
  }

  .split-visual img {
    height: 20rem;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: block;
    z-index: 50;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    gap: 1.5rem;
    background: rgba(242, 240, 235, 0.98);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--ink);
  }

  .site-nav a::after {
    display: none;
  }

  .nav-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(4px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-4px) rotate(-45deg);
  }

  .hero-content {
    padding-bottom: 2.5rem;
  }

  .hero-scroll {
    display: none;
  }

  .gallery {
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
  }

  .gallery figcaption {
    font-size: 0.75rem;
  }
}

@media (max-width: 480px) {
  .gallery {
    grid-template-columns: 1fr;
  }

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

  .btn {
    width: 100%;
  }
}