/* ==========================================================================
   Mastecraft Legal — Premium one-page styles
   ========================================================================== */

:root {
  --color-primary: #011a39;
  --color-accent: #1683eb;
  --color-accent-soft: rgba(22, 131, 235, 0.12);
  --color-accent-line: rgba(22, 131, 235, 0.4);
  --color-accent-border: rgba(22, 131, 235, 0.22);
  --color-white: #ffffff;
  --color-off-white: #f7f8fa;
  --color-text: #1c2d42;
  --color-text-muted: #5a6b7d;
  --color-border: rgba(1, 26, 57, 0.08);

  --font-serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --header-height: 5.25rem;
  --container-max: 72rem;
  --section-padding: clamp(5rem, 10vw, 8rem);
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.25s ease;
}

/* Reset & base
   -------------------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-white);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 200;
  padding: 0.75rem 1.25rem;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 0 0 4px 4px;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

p + p {
  margin-top: 1.25rem;
}

/* Header
   -------------------------------------------------------------------------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  transition: background-color var(--transition), box-shadow var(--transition);
}

.site-header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-accent-border), 0 4px 20px rgba(22, 131, 235, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 0;
  transition: opacity var(--transition-fast);
}

.logo:hover {
  opacity: 0.88;
}

.logo-image {
  display: block;
  width: auto;
  height: 3.45rem;
  max-width: none;
  filter: brightness(0) invert(1);
  transition: filter 200ms ease;
}

.site-header.is-scrolled .logo-image {
  filter: none;
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-menu a {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.88);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition-fast);
}

.nav-menu a:hover {
  color: var(--color-white);
}

.nav-menu a:hover::after {
  width: 100%;
}

.site-header.is-scrolled .nav-menu a {
  color: var(--color-text-muted);
}

.site-header.is-scrolled .nav-menu a:hover {
  color: var(--color-accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 2.5rem;
  height: 2.5rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 1.5rem;
  height: 1px;
  background: var(--color-white);
  transition: transform var(--transition-fast), opacity var(--transition-fast), background var(--transition-fast);
}

.site-header.is-scrolled .nav-toggle span {
  background: var(--color-primary);
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* Hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("../images/hero-bg.jpg");
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1.05); }
  to { transform: scale(1.12); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(1, 26, 57, 0.9) 0%,
    rgba(1, 26, 57, 0.74) 48%,
    rgba(1, 26, 57, 0.82) 72%,
    rgba(22, 131, 235, 0.14) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-block: calc(var(--header-height) + 3rem) 6rem;
  max-width: 52rem;
}

.hero-brand-mark {
  margin: 0 0 2rem;
  line-height: 0;
}

.hero-brand-mark img {
  display: block;
  width: auto;
  height: clamp(4rem, 14vw, 7.5rem);
  max-width: min(94vw, 40rem);
  margin-inline: auto;
  filter: brightness(0) invert(1);
  opacity: 0.95;
}

.hero-brand-mark::after {
  content: "";
  display: block;
  width: 2.75rem;
  height: 2px;
  background: var(--color-accent);
  margin: 1.75rem auto 0;
  opacity: 0.85;
}

.hero-intro {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  font-weight: 300;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
  max-width: 42rem;
  margin-inline: auto;
}

.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.625rem;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.scroll-indicator:hover {
  opacity: 1;
}

.scroll-indicator-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 8px rgba(22, 131, 235, 0.45);
}

.scroll-indicator-line {
  width: 1px;
  height: 3.5rem;
  background: linear-gradient(to bottom, var(--color-accent), rgba(22, 131, 235, 0.15));
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(0.8); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
}

/* Sections
   -------------------------------------------------------------------------- */

.section {
  padding-block: var(--section-padding);
}

.section-intro {
  background: var(--color-white);
  padding-bottom: 0;
}

.section-expertise {
  background: var(--color-off-white);
  border-top: 1px solid var(--color-accent-border);
}

.section-samenwerking {
  background: var(--color-white);
  padding-bottom: 0;
  border-top: 1px solid var(--color-accent-border);
}

.section-kernwaarden {
  background: var(--color-primary);
  color: var(--color-white);
}

.kernwaarden-intro {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 500;
  line-height: 1.35;
  color: var(--color-white);
  text-align: center;
  max-width: 36rem;
  margin: 0 auto clamp(3rem, 6vw, 4.5rem);
}

.kernwaarden-intro::after {
  content: "";
  display: block;
  width: 2.75rem;
  height: 2px;
  background: var(--color-accent);
  margin: 1.35rem auto 0;
  opacity: 0.8;
}

/* Intro grid
   -------------------------------------------------------------------------- */

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.intro-grid--reverse .intro-text {
  order: 2;
}

.intro-grid--reverse .intro-image {
  order: 1;
}

.intro-text {
  padding-left: 1.25rem;
  border-left: 2px solid var(--color-accent-line);
}

.intro-text p {
  font-size: 1.125rem;
  line-height: 1.85;
  color: var(--color-text);
}

.intro-image {
  position: relative;
  overflow: hidden;
}

.intro-image img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.intro-image:hover img {
  transform: scale(1.03);
}

.full-width-image {
  margin-top: clamp(4.5rem, 8vw, 6.5rem);
  margin-bottom: 0;
  height: clamp(16rem, 30vw, 24rem);
  overflow: hidden;
  line-height: 0;
}

.full-width-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  will-change: transform;
}

/* Expertise cards
   -------------------------------------------------------------------------- */

.expertise-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
}

.expertise-card {
  background: var(--color-white);
  padding: clamp(2rem, 4vw, 3rem);
  border: 1px solid var(--color-border);
  border-top: 2px solid var(--color-accent-soft);
  transition: box-shadow var(--transition), transform var(--transition-fast), border-color var(--transition-fast);
}

.expertise-card:hover {
  box-shadow: 0 12px 40px rgba(22, 131, 235, 0.08);
  transform: translateY(-2px);
  border-top-color: var(--color-accent);
}

.expertise-card-accent {
  width: 2rem;
  height: 2px;
  background: var(--color-accent);
  margin-bottom: 1.5rem;
  transition: width var(--transition-fast);
}

.expertise-card:hover .expertise-card-accent {
  width: 3rem;
}

.expertise-card p {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--color-text);
}

/* Image grid
   -------------------------------------------------------------------------- */

.image-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: auto auto;
  gap: 1rem;
}

.image-grid-item {
  overflow: hidden;
}

.image-grid-item--large {
  grid-row: span 2;
}

.image-grid-item img {
  width: 100%;
  height: 100%;
  min-height: 14rem;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.image-grid-item:hover img {
  transform: scale(1.04);
}

.image-grid-item--large img {
  min-height: 100%;
  aspect-ratio: auto;
}

/* Samenwerking
   -------------------------------------------------------------------------- */

.samenwerking-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  margin-bottom: clamp(3rem, 6vw, 4rem);
}

.samenwerking-lead {
  font-size: 1.1875rem;
  line-height: 1.85;
  color: var(--color-primary);
  font-weight: 400;
  padding-left: 1.25rem;
  border-left: 2px solid var(--color-accent);
}

.samenwerking-content p {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--color-text-muted);
}

.samenwerking-image {
  overflow: hidden;
}

.samenwerking-image img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.samenwerking-image:hover img {
  transform: scale(1.03);
}

.split-banner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: clamp(4.5rem, 8vw, 6.5rem);
  margin-bottom: 0;
  line-height: 0;
}

.split-banner-image {
  overflow: hidden;
  height: clamp(14rem, 25vw, 20rem);
}

.split-banner-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease, filter 0.8s ease;
}

.split-banner-image:hover img {
  transform: scale(1.05);
  filter: brightness(1.05);
}

/* Kernwaarden
   -------------------------------------------------------------------------- */

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(1.25rem, 2vw, 1.5rem);
  align-items: stretch;
}

/* Content-driven sizing — no width, height, min-height or aspect-ratio on cards */
.value-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(1.75rem, 3vw, 2.35rem);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: background var(--transition), transform var(--transition-fast);
}

.value-card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-3px);
  border-color: var(--color-accent-border);
}

.value-card-accent {
  flex-shrink: 0;
  width: 2rem;
  height: 2px;
  background: var(--color-accent);
  margin-bottom: 1.35rem;
  transition: width var(--transition-fast);
}

.value-card:hover .value-card-accent {
  width: 3rem;
}

.value-card-title {
  flex-shrink: 0;
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 500;
  line-height: 1.2;
  color: var(--color-white);
  margin-bottom: 0.875rem;
}

.value-card-text {
  flex: 1 1 auto;
  margin-top: auto;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.72);
}

/* Closing section
   -------------------------------------------------------------------------- */

.section-closing {
  position: relative;
  padding-block: clamp(6rem, 12vw, 10rem);
  overflow: hidden;
}

.closing-bg {
  position: absolute;
  inset: 0;
  background-image: url("../images/closing-bg.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.closing-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(1, 26, 57, 0.95) 0%,
    rgba(1, 26, 57, 0.85) 100%
  );
}

.closing-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 44rem;
}

.closing-text p {
  font-size: 1.125rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 300;
}

.closing-tagline {
  margin-top: clamp(3rem, 6vw, 4.5rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--color-accent-line);
}

.closing-tagline p {
  font-family: var(--font-serif);
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  font-weight: 500;
  font-style: italic;
  line-height: 1.5;
  color: var(--color-white);
}

/* Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--color-primary);
  border-top: 1px solid var(--color-accent-border);
  padding-block: clamp(2rem, 3.5vw, 2.5rem);
}

.footer-inner {
  display: flex;
  justify-content: center;
}

.footer-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.625rem clamp(1rem, 2.5vw, 1.75rem);
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.45);
  text-align: center;
}

.footer-separator {
  opacity: 0.55;
  user-select: none;
}

.footer-link {
  font-size: inherit;
  line-height: inherit;
  color: rgba(255, 255, 255, 0.45);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-accent);
}

@media (min-width: 769px) {
  .footer-line {
    flex-wrap: nowrap;
  }
}

/* Reveal animations
   -------------------------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(1.75rem);
  transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
  .values-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(1.25rem, 2.5vw, 1.5rem);
  }

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

  .image-grid-item--large {
    grid-row: span 1;
    grid-column: span 2;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .logo-image {
    height: 3rem;
  }

  .nav-menu {
    gap: 1.75rem;
  }
}

@media (max-width: 768px) {
  .logo-image {
    height: 2.7rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(1, 26, 57, 0.98);
    backdrop-filter: blur(12px);
    padding: 1.5rem 0;
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  }

  .nav-menu.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-menu li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-menu a {
    display: block;
    padding: 1rem 2rem;
    color: rgba(255, 255, 255, 0.9);
  }

  .site-header.is-scrolled .nav-menu {
    background: rgba(255, 255, 255, 0.98);
  }

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

  .intro-grid,
  .intro-grid--reverse,
  .samenwerking-grid,
  .expertise-cards {
    grid-template-columns: 1fr;
  }

  .intro-grid--reverse .intro-text,
  .intro-grid--reverse .intro-image {
    order: unset;
  }

  .split-banner {
    grid-template-columns: 1fr;
  }

  .values-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: clamp(1.25rem, 3vw, 1.5rem);
  }

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

  .image-grid-item--large {
    grid-column: span 1;
  }

  .closing-bg {
    background-attachment: scroll;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .hero-bg {
    animation: none;
  }
}