/* ==========================================================================
   MATECHS — global styles
   ========================================================================== */

:root {
  --color-bg: #0b0f19;
  --color-bg-alt: #121826;
  --color-surface: #1a2233;
  --color-border: #2a3350;
  --color-text: #e6e9f0;
  --color-text-muted: #9aa3b8;
  --color-primary: #4f7cff;
  --color-primary-dark: #3a5fe0;
  --color-accent: #22d3ee;
  --radius: 12px;
  --max-width: 1180px;
  --font-base: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

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

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

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.eyebrow {
  display: inline-block;
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin: 0 0 16px;
  font-weight: 700;
}

.section-subtitle {
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 0 48px;
  font-size: 1.05rem;
}

.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons ---------------------------------------------------------------- */

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.85rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 8px 24px rgba(79, 124, 255, 0.35);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.logo span {
  color: var(--color-accent);
}

.logo img {
  height: 30px;
  display: block;
}

.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.15s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
}

/* Nav dropdown (Consulting) ------------------------------------------------- */

.nav-item.dropdown {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color 0.15s ease;
}

.dropdown-toggle .caret {
  font-size: 0.7rem;
  transition: transform 0.15s ease;
}

.dropdown-toggle:hover,
.dropdown.open .dropdown-toggle {
  color: var(--color-text);
}

.dropdown.open .dropdown-toggle .caret {
  transform: rotate(180deg);
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 16px;
  min-width: 230px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 8px;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.35);
}

.dropdown.open .dropdown-menu {
  display: block;
}

.dropdown-menu a {
  display: block;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

.dropdown-menu a:hover,
.dropdown-menu a.active {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text);
}

.nav-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.6rem;
  cursor: pointer;
}

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

.hero {
  padding: 120px 0 96px;
  background:
    radial-gradient(circle at 20% 20%, rgba(79, 124, 255, 0.25), transparent 45%),
    radial-gradient(circle at 80% 0%, rgba(34, 211, 238, 0.18), transparent 40%);
}

.hero-content {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 24px;
}

.hero p {
  color: var(--color-text-muted);
  font-size: 1.15rem;
  margin: 0 0 36px;
}

/* Nav cards (Business / Portfolio) ---------------------------------------- */

.nav-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 64px;
}

.nav-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.nav-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-primary);
}

.nav-card .icon {
  color: var(--color-accent);
  margin-bottom: 16px;
}

.icon svg,
.card-media svg {
  width: 2.2rem;
  height: 2.2rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.nav-card h3 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.nav-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin: 0;
}

/* Cards grid (projects, services, blog posts) ------------------------------ */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--color-primary);
}

.card-media {
  height: 180px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.card-body {
  padding: 24px;
}

.card-body h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.card-body p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin: 0 0 16px;
}

.card-link {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.9rem;
}

/* Services list ------------------------------------------------------------ */

.services-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 40px 0;
}

.service-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.service-item .icon {
  color: var(--color-accent);
}

.service-item .icon svg {
  width: 1.8rem;
  height: 1.8rem;
}

.service-item h4 {
  margin: 0 0 6px;
}

.service-item p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* Testimonials -------------------------------------------------------------- */

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
}

.testimonial-card p {
  color: var(--color-text-muted);
  font-style: italic;
  margin: 0 0 20px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.testimonial-author strong {
  display: block;
  font-size: 0.95rem;
}

.testimonial-author span {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  display: block;
}

.testimonial-org {
  display: inline-block;
  margin-top: 8px;
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 600;
}

/* CTA ------------------------------------------------------------------- */

.cta {
  text-align: center;
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(79, 124, 255, 0.15), rgba(34, 211, 238, 0.1));
}

.cta h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0 0 24px;
}

/* Contact form ------------------------------------------------------------ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info .info-item {
  margin-bottom: 24px;
}

.contact-info h4 {
  margin: 0 0 6px;
  color: var(--color-accent);
}

.contact-info p {
  margin: 0;
  color: var(--color-text-muted);
}

form.contact-form {
  display: grid;
  gap: 16px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.95rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

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

.form-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  min-height: 1.2em;
}

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

.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}

.footer-grid h4 {
  margin: 0 0 16px;
  font-size: 1rem;
}

.footer-logo {
  height: 28px;
}

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

.footer-grid ul li {
  margin-bottom: 10px;
}

.footer-grid ul li a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer-grid ul li a:hover {
  color: var(--color-accent);
}

.social-links {
  display: flex;
  gap: 14px;
}

.social-links a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.back-to-top {
  color: var(--color-text-muted);
}

.back-to-top:hover {
  color: var(--color-accent);
}

/* Page header (used on inner pages) ---------------------------------------- */

.page-header {
  padding: 72px 0 48px;
  text-align: center;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin: 0 0 12px;
}

.page-header p {
  color: var(--color-text-muted);
  margin: 0;
}

/* Profile / Consulting page -------------------------------------------------- */

.profile-header {
  display: flex;
  gap: 28px;
  align-items: center;
  margin-bottom: 16px;
}

.profile-avatar {
  width: 96px;
  height: 96px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  font-weight: 700;
}

.profile-header h1 {
  margin: 0 0 6px;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.profile-header .profile-title {
  color: var(--color-accent);
  font-weight: 600;
  margin: 0;
}

.profile-block {
  margin-bottom: 56px;
}

.profile-block h2 {
  font-size: 1.5rem;
  margin: 0 0 20px;
}

.profile-block p {
  color: var(--color-text-muted);
  margin: 0 0 16px;
}

.profile-links {
  margin-top: 28px;
}

.profile-focus-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.profile-focus-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px;
}

.profile-focus-item h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  color: var(--color-accent);
}

.profile-focus-item p {
  margin-bottom: 0;
  font-size: 0.94rem;
}

.profile-list {
  margin: 0;
  padding-left: 20px;
  color: var(--color-text-muted);
}

.profile-list li {
  margin-bottom: 12px;
  padding-left: 6px;
}

.profile-list strong {
  color: var(--color-text);
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.offer-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}

.offer-item h3 {
  margin: 0 0 12px;
  font-size: 1.1rem;
  color: var(--color-accent);
}

.offer-item p {
  margin: 0 0 12px;
  font-size: 0.95rem;
}

.offer-item p:last-child {
  margin-bottom: 0;
}

.advisory-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
  color: var(--color-text-muted);
}

.advisory-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.expertise-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
}

.expertise-item h4 {
  margin: 0 0 8px;
  color: var(--color-accent);
  font-size: 1rem;
}

.expertise-item p {
  margin: 0;
  font-size: 0.9rem;
}

.approach-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 20px;
}

.approach-flow span {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.9rem;
}

.approach-flow .arrow {
  color: var(--color-accent);
  background: none;
  border: none;
  padding: 0;
}

.profile-callout {
  border-left: 3px solid var(--color-accent);
  padding: 16px 24px;
  background: var(--color-surface);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-weight: 600;
  margin: 0;
}

/* Team page ------------------------------------------------------------ */

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.team-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.team-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-primary);
}

.team-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
  font-weight: 700;
}

.team-card h3 {
  margin: 0 0 6px;
  font-size: 1.15rem;
}

.team-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: 0 0 16px;
}

/* Consultant profile pictures strip (used on capabilities page) --------- */

.consultants-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: center;
}

.consultant-card {
  text-align: center;
  width: 140px;
}

.consultant-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  margin: 0 auto 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 700;
  transition: transform 0.15s ease;
}

.consultant-card:hover .consultant-avatar {
  transform: translateY(-4px);
}

.consultant-card span {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
}

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

@media (max-width: 900px) {
  .nav-cards,
  .card-grid,
  .testimonial-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }

  .services-list,
  .offer-grid,
  .expertise-grid,
  .profile-focus-grid {
    grid-template-columns: 1fr;
  }

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

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

  .profile-header {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: block;
  }

  .nav-links,
  .nav-actions .btn-outline {
    display: none;
  }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--color-bg-alt);
    padding: 24px;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links.open .nav-item.dropdown {
    width: 100%;
  }

  .nav-links.open .dropdown-toggle {
    width: 100%;
    justify-content: space-between;
    padding: 4px 0;
  }

  .nav-links.open .dropdown-menu {
    position: static;
    box-shadow: none;
    margin-top: 8px;
    width: 100%;
  }

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