/* ============================================================
   MHX Analytics — Global Styles
   Reset, base typography, navigation, footer, shared components
   ============================================================ */

/* ── Google Fonts ─────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: clamp(14px, 2.5vw, 16px);
  line-height: 1.6;
  color: var(--color-on-surface);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  touch-action: manipulation;
}

ul, ol { list-style: none; }

/* ── Typography ───────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-headline);
  letter-spacing: -0.02em;
  color: var(--color-on-surface);
  line-height: 1.1;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 800; }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); font-weight: 700; }

p {
  line-height: 1.65;
  color: var(--color-on-surface-variant);
}

/* ── Layout Utilities ─────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
}

.section {
  padding: clamp(4rem, 8vw, var(--space-section)) 0;
}

.section--alt {
  background-color: var(--color-surface-container-low);
}

/* ── Glass Card ───────────────────────────────────── */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-component);
}

/* ── Buttons ──────────────────────────────────────── */
.btn-primary {
  display: inline-block;
  background: var(--gradient-liquid);
  color: var(--color-on-primary);
  font-family: var(--font-headline);
  font-weight: 700;
  padding: 0.9rem 2.25rem;
  border-radius: var(--radius-full);
  font-size: 1rem;
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  touch-action: manipulation;
  min-height: 44px;
  min-width: 44px;
  text-align: center;
}

.btn-primary:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  display: inline-block;
  background: var(--color-surface-container-highest);
  color: var(--color-on-surface);
  font-family: var(--font-headline);
  font-weight: 700;
  padding: 0.9rem 2.25rem;
  border-radius: var(--radius-full);
  font-size: 1rem;
  text-decoration: none;
  transition: background 0.25s ease;
  touch-action: manipulation;
  min-height: 44px;
  min-width: 44px;
  text-align: center;
}

.btn-secondary:hover {
  background: var(--color-surface-container-high);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  background: rgba(248, 250, 251, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  height: 72px;
}

.site-nav__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.site-nav__logo img {
  height: 104px;
  width: auto;
}

.site-nav__logo-text {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-primary);
  letter-spacing: -0.03em;
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-nav__link {
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  color: var(--color-on-surface-variant);
  transition: color 0.2s ease;
  padding: 0.5rem 0;
  touch-action: manipulation;
}

.site-nav__link:hover {
  color: var(--color-primary);
}

.site-nav__link.active {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
}

/* ── Hamburger ────────────────────────────────────── */
.site-nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
  touch-action: manipulation;
}

.site-nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-on-surface);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.site-nav__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-nav__hamburger.open span:nth-child(2) {
  opacity: 0;
}

.site-nav__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
  .site-nav__hamburger {
    display: flex;
  }

  .site-nav__links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(248, 250, 251, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 1rem 0;
    transform: translateY(-120%);
    transition: transform 0.35s ease;
    z-index: 99;
  }

  .site-nav__links.open {
    transform: translateY(0);
  }

  .site-nav__link {
    padding: 1rem 2rem;
    width: 100%;
    text-align: center;
    font-size: 1.05rem;
  }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-surface-container-lowest);
  padding: clamp(3rem, 6vw, 5rem) 0 2rem;
}

.site-footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: 1.5fr repeat(2, 1fr);
  gap: 3rem;
}

.site-footer__brand img {
  height: 104px;
  width: auto;
  margin-bottom: 1rem;
  filter: brightness(0) saturate(100%) invert(8%) sepia(10%) saturate(500%) hue-rotate(155deg);
}

.site-footer__tagline {
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-on-surface-variant);
  margin-bottom: 0.25rem;
}

.site-footer__heading {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}

.site-footer__link {
  display: block;
  font-weight: 500;
  color: var(--color-on-surface-variant);
  padding: 0.35rem 0;
  transition: color 0.2s ease;
  touch-action: manipulation;
}

.site-footer__link:hover {
  color: var(--color-primary);
}

.site-footer__bottom {
  max-width: 1200px;
  margin: 3rem auto 0;
  padding: 1.5rem clamp(1.25rem, 4vw, 3rem) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-footer__copy {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-on-surface-variant);
}

@media (max-width: 768px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .site-footer__bottom {
    justify-content: center;
    text-align: center;
  }
}

/* ============================================================
   SHARED SECTION COMPONENTS
   ============================================================ */

/* ── Section heading ──────────────────────────────── */
.section-heading {
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-heading h2 {
  margin-bottom: 0.75rem;
}

.section-heading__bar {
  width: 4rem;
  height: 4px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  margin: 0 auto;
}

/* ── Feature grid ─────────────────────────────────── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

@media (max-width: 768px) {
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ── Feature card ─────────────────────────────────── */
.feature-card {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

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

.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--color-on-primary);
}

.feature-card__icon--primary {
  background: var(--gradient-liquid);
}

.feature-card__icon--secondary {
  background: var(--color-secondary);
}

.feature-card__icon--tertiary {
  background: var(--color-tertiary-container);
}

.feature-card__title {
  margin-bottom: 0.75rem;
}

/* ── CTA Banner ───────────────────────────────────── */
.cta-banner {
  background: var(--color-inverse-surface);
  border-radius: var(--radius-lg);
  padding: clamp(3rem, 6vw, 5rem) clamp(2rem, 4vw, 4rem);
  text-align: center;
}

.cta-banner h2 {
  color: var(--color-inverse-on-surface);
  margin-bottom: 1rem;
}

.cta-banner p {
  color: var(--color-inverse-on-surface);
  opacity: 0.75;
  max-width: 36rem;
  margin: 0 auto 2rem;
}

/* ── Form styles (contact page) ───────────────────── */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-on-surface);
  margin-bottom: 0.4rem;
}

.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-on-surface);
  background: var(--color-surface-container-high);
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  outline: none;
  transition: box-shadow 0.25s ease;
  min-height: 44px;
}

.form-input:focus {
  box-shadow: 0 0 0 2px var(--color-primary-fixed);
}

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

/* ── Service cards ────────────────────────────────── */
.service-card__list {
  list-style: none;
  margin: 1rem 0 1.5rem;
}

.service-card__list li {
  position: relative;
  padding: 0.4rem 0 0.4rem 1.25rem;
  color: var(--color-on-surface-variant);
  font-size: 0.95rem;
}

.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* ── Process steps (approach page) ────────────────── */
.process-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: start;
  margin-bottom: 3rem;
}

.process-step__number {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-primary-fixed-dim);
  line-height: 1;
}

.process-step__title {
  margin-bottom: 0.5rem;
}

/* ── Values grid (about page) ─────────────────────── */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.values-grid .feature-card__icon svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (max-width: 768px) {
  .values-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Team cards ───────────────────────────────────── */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.team-card {
  text-align: center;
  padding: 2rem;
}

.team-card__avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: var(--color-surface-container-high);
  margin: 0 auto 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.team-card__avatar svg {
  width: 32px;
  height: 32px;
  stroke: var(--color-on-surface-variant);
  fill: none;
  stroke-width: 1.5;
}

.team-card__name {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-on-surface);
  margin-bottom: 0.25rem;
}

.team-card__role {
  font-size: 0.9rem;
  color: var(--color-primary);
  font-weight: 600;
}

@media (max-width: 768px) {
  .team-grid {
    grid-template-columns: 1fr;
    max-width: 320px;
    margin: 0 auto;
  }
}

/* ── Contact layout ───────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-info__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.contact-info__item svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 2;
  flex-shrink: 0;
}

/* ============================================================
   COLLAGE (services page)
   ============================================================ */
.collage-section {
  display: flex;
  align-items: center;
  gap: 4rem;
  padding: 5rem clamp(1.25rem, 4vw, 6rem);
  max-width: 1200px;
  margin: 0 auto;
}

.collage-wrapper {
  position: relative;
  flex-shrink: 0;
  width: 420px;
  height: 340px;
}

.collage-card {
  position: absolute;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
}

.collage-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.collage-card--back {
  width: 340px;
  height: 260px;
  top: 0;
  left: 0;
  z-index: 1;
}

.collage-card--front {
  width: 260px;
  height: 200px;
  bottom: 0;
  right: 0;
  z-index: 2;
}

.collage-badge {
  position: absolute;
  bottom: 24px;
  right: -16px;
  z-index: 3;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.collage-copy {
  max-width: 480px;
}

.collage-copy h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 1rem;
}

@media (max-width: 768px) {
  .collage-section {
    flex-direction: column;
    gap: 2rem;
    padding: 3rem clamp(1.25rem, 4vw, 3rem);
  }

  .collage-wrapper {
    width: 100%;
    max-width: 340px;
    height: 280px;
  }

  .collage-card--back {
    width: 80%;
    height: 220px;
  }

  .collage-card--front {
    width: 65%;
    height: 170px;
  }

  .collage-copy {
    text-align: center;
  }
}