html { box-sizing: border-box; scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: inherit; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--wwd-text);
  background: var(--wwd-bg);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
  transition:
    color var(--wwd-transition),
    border-color var(--wwd-transition),
    background-color var(--wwd-transition),
    transform var(--wwd-transition),
    opacity var(--wwd-transition);
}

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

.container { width: min(calc(100% - 32px), var(--wwd-max)); margin: 0 auto; }
.narrow { width: min(calc(100% - 32px), 920px); }
.center { text-align: center; }

.section { padding: 96px 0; }
.section-light { background: #fff; color: var(--wwd-text); }
.section-dark { background: var(--wwd-dark); color: #fff; }

.eyebrow {
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 12px;
  color: var(--wwd-text-soft);
}

.eyebrow-light { color: #aaa; }

h1, h2, h3 {
  line-height: 1.05;
  margin: 0 0 16px;
  font-weight: 600;
  letter-spacing: -.03em;
}

h1 { font-size: clamp(42px, 6vw, 82px); }
h2 { font-size: clamp(30px, 4vw, 48px); }
h3 { font-size: 22px; }

p { margin: 0 0 16px; }
ul { margin: 0; padding-left: 18px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #efefef;
}

.header-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-title {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #6c6c6c;
}

.main-nav { display: flex; align-items: center; }

.primary-menu,
.footer-menu {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 28px;
}

.primary-menu a,
.footer-menu a { color: #111; }

.primary-menu a:hover,
.footer-menu a:hover { color: var(--wwd-hover); }

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  padding: 0;
  width: 48px;
  height: 48px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #111;
  margin: 5px auto;
  transition: transform var(--wwd-transition), opacity var(--wwd-transition);
}

/* Hero */
.hero {
  background: #fff;
  padding: 58px 0 290px;
}

.hero-content {
  display: flex;
  align-items: center;
}

.hero-copy {
  max-width: 820px;
}

.hero-copy h1 {
  font-size: clamp(48px, 6.8vw, 92px);
  line-height: .96;
  margin-bottom: 18px;
}

.hero-subtitle {
  font-size: clamp(18px, 2vw, 22px);
  color: var(--wwd-text-soft);
  max-width: 560px;
  margin-bottom: 26px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid #1f1f1f;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.btn:hover {
  border-color: var(--wwd-hover);
  color: var(--wwd-hover);
}

.btn-primary {
  background: #111;
  color: #fff;
  border-color: #111;
}

.btn-primary:hover {
  background: #2a2a2a;
  color: #fff;
  border-color: #2a2a2a;
}

.btn-secondary {
  color: #fff;
  border-color: #3c3c3c;
}

.btn-secondary:hover {
  border-color: #858585;
  color: #fff;
}

.btn-outline {
  color: #111;
  border-color: #111;
}

/* Portfolio */
.portfolio-overlap-section {
  margin-top: -40px;
  margin-bottom: -190px;
  position: relative;
  z-index: 3;
}

.portfolio-shell {
  overflow: visible;
}

.portfolio-slider {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - 48px) / 3);
  gap: 24px;
  overflow-x: auto;
  padding: 0 0 8px;
  scrollbar-width: none;
  scroll-snap-type: x mandatory;
}

.portfolio-slider::-webkit-scrollbar {
  display: none;
}

.portfolio-card {
  aspect-ratio: 10 / 17;
  background: #efefef;
  position: relative;
  overflow: hidden;
  opacity: .95;
  transform: translateY(0);
  scroll-snap-align: center;
}

.portfolio-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter .25s ease, transform .25s ease, opacity .25s ease;
}

.portfolio-card:hover,
.portfolio-card.is-active {
  opacity: 1;
  transform: translateY(-4px);
}

.portfolio-card:hover img,
.portfolio-card.is-active img {
  filter: grayscale(0%);
}

.portfolio-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #f2f2f2, #dfdfdf);
  color: #777;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: 12px;
}

/* Intro */
.intro-section {
  margin-top: -280px;
  padding-top: 280px;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1.3fr .9fr;
  gap: 40px;
  align-items: start;
}

.intro-section p {
  color: #c7c7c7;
}

.usp-list {
  display: grid;
  gap: 16px;
}

.usp-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--wwd-border-dark);
}

.usp-item span {
  color: #808080;
  font-size: 14px;
}

.section-heading {
  margin-bottom: 42px;
  max-width: 760px;
}

.align-left {
  text-align: left;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  position: relative;
  border: 1px solid var(--wwd-border);
  padding: 28px 28px 58px;
  background: #fff;
}

.service-card.featured {
  border-color: #111;
}

.tag {
  position: absolute;
  right: 18px;
  bottom: 18px;
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #777;
}

.service-card ul {
  margin: 18px 0 24px;
  display: grid;
  gap: 8px;
}

.text-link {
  display: inline-block;
  border-bottom: 1px solid #aaa;
  padding-bottom: 2px;
}

.text-link:hover {
  border-color: #111;
}

/* Process */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-card {
  border-top: 1px solid #dcdcdc;
  padding-top: 18px;
}

.process-number {
  display: block;
  font-size: 13px;
  color: #777;
  margin-bottom: 12px;
}

/* CTA */
.cta-section {
  padding: 90px 0;
}

.cta-section p {
  color: #c9c9c9;
}

.cta-section small {
  display: block;
  margin-top: 16px;
  color: #9c9c9c;
}

/* Footer */
.site-footer {
  background: #0f0f0f;
  color: #fff;
  padding: 54px 0 24px;
  border-top: 1px solid #1a1a1a;
}

.site-footer a {
  color: #fff;
}

.site-footer a:hover {
  color: #bcbcbc;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 28px;
}

.footer-grid p {
  color: #b8b8b8;
}

.footer-bottom {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid #1b1b1b;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-legal {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-socials,
.floating-buttons {
  display: flex;
  gap: 12px;
}

.social-btn,
.floating-btn {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #262626;
  background: #111;
  color: #fff;
  border-radius: 50%;
}

.social-btn:hover,
.floating-btn:hover {
  border-color: #4d4d4d;
  background: #181818;
}

.social-btn svg,
.floating-btn svg {
  width: 19px;
  height: 19px;
  display: block;
  fill: currentColor;
}

.floating-buttons {
  position: fixed;
  right: 18px;
  bottom: 36px;
  z-index: 1000;
  flex-direction: column;
}

.page-section { min-height: 60vh; }
.content-area,
.service-detail { padding-top: 24px; }

.contact-layout {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 32px;
  align-items: start;
  margin-top: 24px;
}

.contact-info-box,
.contact-form-box,
.maintenance-box {
  border: 1px solid var(--wwd-border);
  padding: 28px;
  background: #fff;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-weight: 500;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid #d9d9d9;
  min-height: 48px;
  padding: 12px 14px;
  font: inherit;
  color: #111;
  background: #fff;
}

.contact-form textarea {
  resize: vertical;
  min-height: 140px;
}

.form-message {
  margin-bottom: 16px;
  padding: 14px 16px;
  border: 1px solid #d9d9d9;
}

.form-message.success {
  border-color: #b9cbb9;
  background: #f6fbf6;
}

.form-message.error {
  border-color: #d8bbbb;
  background: #fdf6f6;
}

.services-grid-page,
.process-grid-page {
  margin-bottom: 24px;
}

.cta-inline {
  margin: 30px 0;
}

.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  width: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
}

/* Tablet */
@media (max-width: 1024px) {
  .portfolio-slider {
    grid-auto-columns: calc((100% - 24px) / 2.2);
  }

  .services-grid,
  .process-grid,
  .intro-grid,
  .footer-grid,
  .contact-layout {
    grid-template-columns: 1fr 1fr;
  }
}

/* Mobile menu + tablet */
@media (max-width: 820px) {
  .menu-toggle {
    display: inline-block;
  }

  .main-nav {
    position: absolute;
    top: 84px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid #efefef;
    padding: 8px 16px 20px;
    display: none;
  }

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

  .primary-menu {
    flex-direction: column;
    gap: 12px;
  }

  .services-grid,
  .process-grid,
  .intro-grid,
  .footer-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 42px 0 220px;
  }

  .hero-copy h1 {
    font-size: clamp(44px, 12vw, 72px);
    line-height: .96;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .portfolio-overlap-section {
    margin-top: -78px;
    margin-bottom: -150px;
  }

  .portfolio-shell {
    width: 100%;
    overflow: visible;
  }

  .portfolio-slider {
    grid-auto-columns: 82%;
    gap: 14px;
    padding-inline: 0;
  }

  .intro-section {
	margin-top: -300px;
    padding-top: 210px;
  }

  .section {
    padding: 72px 0;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .floating-buttons {
    right: 18px;
    bottom: 132px;
    gap: 10px;
  }
}

/* Small mobile */
@media (max-width: 560px) {
  .container {
    width: min(calc(100% - 24px), var(--wwd-max));
  }

  .header-inner {
    min-height: 84px;
  }

  .site-title {
    font-size: 12px;
    letter-spacing: .12em;
  }

  .hero {
    padding: 32px 0 210px;
  }

  .hero-copy h1 {
    font-size: 62px;
  }

  .hero-subtitle {
    font-size: 17px;
  }

  .portfolio-overlap-section {
    margin-top: -70px;
    margin-bottom: -145px;
  }

  .portfolio-slider {
    grid-auto-columns: 96%;
    gap: 14px;
    padding-inline: 19vw;
  }

  .intro-section {
	margin-top: -135px;
    padding-top: 205px;
  }

  .section-heading h2,
  .intro-grid h2,
  .cta-section h2 {
    font-size: 34px;
  }

  .floating-buttons {
    bottom: 132px;
    right: 16px;
  }
}

@media (min-width: 1024px) {
	.portfolio-shell {
		width: min(calc(100% - 32px), var(--wwd-max));
		margin: 0 auto;
	}
}