/* ============================================
   HAWKINS NZ — Brutalist Minimal
   Design ref: yeezy.com
   ============================================ */

:root {
  --color-primary: #000000;
  --color-bg: #ffffff;
  --color-text: #000000;
  --color-muted: #666666;
  --color-border: #e0e0e0;
  --color-surface: #f5f5f5;

  --font-stack: "Helvetica Neue", "Helvetica", "Arial", sans-serif;
  --font-size-base: 16px;
  --line-height-body: 1.7;
  --line-height-heading: 1.1;
  --tracking-tight: -0.03em;
  --tracking-wide: 0.08em;

  --container-max: 767px;
  --container-wide: 1100px;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 32px;
  --space-lg: 64px;
  --space-xl: 96px;
  --space-2xl: 128px;

  --nav-height: 56px;
  --ease: cubic-bezier(0.25, 0, 0.2, 1);
}

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 24px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-stack);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: var(--line-height-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
}

/* ---- Typography ---- */
h1, h2, h3, h4 {
  line-height: var(--line-height-heading);
  letter-spacing: var(--tracking-tight);
  font-weight: 400;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.4rem, 6vw, 3.6rem);
}

h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
}

h3 {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
}

h4 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  font-weight: 500;
}

p {
  text-wrap: pretty;
}

.label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-muted);
}

/* ---- Layout ---- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

.container--wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

/* ---- Nav ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--color-bg);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav__inner {
  max-width: var(--container-wide);
  width: 100%;
  padding: 0 var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__brand {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.nav__links {
  display: flex;
  gap: var(--space-md);
}

.nav__links a {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  transition: opacity 0.3s var(--ease);
}

.nav__links a:hover,
.nav__links a:focus-visible {
  opacity: 0.4;
}

.nav__links a.active {
  opacity: 0.4;
}

.nav__toggle {
  display: none;
  cursor: pointer;
  width: 24px;
  height: 24px;
  position: relative;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-text);
  position: absolute;
  left: 0;
  transition: all 0.3s var(--ease);
}

.nav__toggle span:nth-child(1) { top: 6px; }
.nav__toggle span:nth-child(2) { top: 12px; }
.nav__toggle span:nth-child(3) { top: 18px; }

/* Mobile nav overlay */
.nav__mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.nav__mobile.is-open {
  display: flex;
}

.nav__mobile a {
  font-size: 1.4rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  transition: opacity 0.3s var(--ease);
  color: var(--color-text);
}

.nav__mobile a:hover {
  opacity: 0.4;
}

/* ---- Hero ---- */
.hero {
  padding-top: calc(var(--nav-height) + var(--space-xl));
  padding-bottom: var(--space-xl);
}

.hero h1 {
  margin-bottom: var(--space-md);
}

.hero p {
  color: var(--color-muted);
  font-size: 1.05rem;
  max-width: 520px;
  margin-bottom: var(--space-md);
}

.btn {
  display: inline-block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  padding: 14px 32px;
  border: 1px solid var(--color-text);
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
  cursor: pointer;
}

.btn:hover,
.btn:focus-visible {
  background: var(--color-text);
  color: var(--color-bg);
}

.btn--filled {
  background: var(--color-text);
  color: var(--color-bg);
}

.btn--filled:hover,
.btn--filled:focus-visible {
  background: transparent;
  color: var(--color-text);
}

/* ---- Section ---- */
.section {
  padding: var(--space-xl) 0;
}

.section__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-muted);
  margin-bottom: var(--space-md);
}

.section__title {
  margin-bottom: var(--space-lg);
}

/* ---- Projects Grid ---- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.project-card {
  display: block;
  transition: opacity 0.3s var(--ease);
}

.project-card:hover {
  opacity: 0.7;
}

.project-card__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  margin-bottom: var(--space-xs);
}

.project-card__title {
  font-size: 0.9rem;
  font-weight: 400;
  margin-bottom: 4px;
}

.project-card__sector {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-muted);
}

/* ---- Testimonial ---- */
.testimonial {
  padding: var(--space-xl) 0;
}

.testimonial blockquote {
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  max-width: 600px;
}

.testimonial cite {
  display: block;
  font-style: normal;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.testimonial cite strong {
  color: var(--color-text);
  font-weight: 500;
  display: block;
  margin-bottom: 2px;
}

/* ---- About Page ---- */
.page-header {
  padding-top: calc(var(--nav-height) + var(--space-xl));
  padding-bottom: var(--space-lg);
}

.page-header h1 {
  margin-bottom: var(--space-sm);
}

.page-header p {
  color: var(--color-muted);
  max-width: 520px;
}

.prose {
  font-size: 1rem;
  line-height: var(--line-height-body);
  color: var(--color-text);
}

.prose p + p {
  margin-top: var(--space-sm);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.pillar h4 {
  margin-bottom: var(--space-xs);
}

.pillar p {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.capabilities-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.capabilities-list li {
  font-size: 0.9rem;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.team-member__name {
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 2px;
}

.team-member__role {
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* ---- Services/Sectors ---- */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.sector {
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.sector h4 {
  margin-bottom: var(--space-xs);
}

.sector p {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.special-projects {
  padding: var(--space-lg) 0;
}

.special-projects__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  align-items: start;
}

.special-projects__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---- Contact ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.form-group {
  margin-bottom: var(--space-sm);
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-xs);
  color: var(--color-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
  transition: border-color 0.3s var(--ease);
  background: transparent;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-bottom-color: var(--color-text);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group select {
  cursor: pointer;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.offices {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.office h4 {
  margin-bottom: var(--space-xs);
}

.office p {
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.office a {
  transition: opacity 0.3s var(--ease);
}

.office a:hover {
  opacity: 0.4;
}

/* ---- Footer ---- */
.footer {
  padding: var(--space-lg) 0 var(--space-md);
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-md);
}

.footer__brand {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-xs);
}

.footer__copy {
  font-size: 0.75rem;
  color: var(--color-muted);
}

.footer__links {
  display: flex;
  gap: var(--space-sm);
}

.footer__links a {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-muted);
  transition: color 0.3s var(--ease);
}

.footer__links a:hover {
  color: var(--color-text);
}

.social-links {
  display: flex;
  gap: var(--space-sm);
}

.social-links a {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-muted);
  transition: color 0.3s var(--ease);
}

.social-links a:hover {
  color: var(--color-text);
}

/* ---- Animations ---- */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

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

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .nav__links {
    display: none;
  }

  .nav__toggle {
    display: block;
  }

  .hero {
    padding-top: calc(var(--nav-height) + var(--space-lg));
    padding-bottom: var(--space-lg);
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

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

  .capabilities-list {
    grid-template-columns: 1fr;
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }

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

  .special-projects__content {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .footer__inner {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .section {
    padding: var(--space-lg) 0;
  }

  .page-header {
    padding-top: calc(var(--nav-height) + var(--space-lg));
    padding-bottom: var(--space-md);
  }
}

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

  h1 {
    font-size: 2rem;
  }
}