/* ============================================================
   Katalyze Tech — Design System v3 (Testimonials)
   ============================================================ */

:root {
  --paper: #faf8f4;
  --paper-alt: #efe9dd;
  --ink: #17140f;
  --ink-soft: #6b6558;
  --charcoal: #17140f;
  --charcoal-soft: #251f16;
  --line: #e2dbc9;
  --line-dark: rgba(250, 248, 244, 0.12);
  --accent: #ff0066;
  --accent-dark: #cc0052;
  --radius: 3px;
}

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

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--ink);
}

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

/* ==== Navigation ==== */
.logo a {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #faf8f4;
  text-decoration: none;
  padding: 10px 20px;
  display: block;
}

.horizontal-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--charcoal);
  z-index: 1000;
  border-bottom: 1px solid var(--line-dark);
  overflow-x: visible;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}

.horizontal-menu ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0 1rem;
  white-space: nowrap;
}

.horizontal-menu li {
  flex-shrink: 0;
}

.menu-link {
  display: block;
  padding: 1rem 1.25rem;
  color: rgba(250, 248, 244, 0.68);
  text-decoration: none;
  position: relative;
  transition: color 0.2s ease;
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

.menu-link::after {
  content: '';
  position: absolute;
  left: 1.25rem;
  right: 1.25rem;
  bottom: 0.65rem;
  height: 2px;
  background-color: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.menu-link:hover::after,
.menu-link.active::after {
  transform: scaleX(1);
}

.menu-link:hover,
.menu-link.active {
  color: #ffffff;
}

@media (max-width: 768px) {
  .horizontal-menu {
    display: none;
  }
}

.dropdown {
  position: relative;
}

.dropdown-content {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--charcoal-soft);
  min-width: 210px;
  z-index: 1000;
  list-style: none;
  padding: 0.4rem;
  margin: 0;
  flex-direction: column;
  visibility: hidden;
  opacity: 0;
  border: 1px solid var(--line-dark);
  transition: opacity 0.2s ease;
}

.dropdown.open .dropdown-content {
  display: flex;
  visibility: visible;
  opacity: 1;
}

.dropdown-content li {
  width: 100%;
}

.dropdown-content li a {
  display: block;
  padding: 0.65rem 0.85rem;
  color: rgba(250, 248, 244, 0.78);
  text-decoration: none;
  width: 100%;
  font-size: 0.9rem;
}

.dropdown-content li a:hover {
  background-color: rgba(255, 255, 255, 0.06);
  color: #ffffff;
}

.arrow {
  font-size: 0.6em;
  margin-left: 4px;
  transition: transform 0.3s ease;
}

.dropdown-content.show-dropdown {
  display: block;
}

/* ==== Mobile menu ==== */
.mobile-menu,
.mobile-menu-button {
  display: none;
}

@media (max-width: 768px) {
  .mobile-menu-button {
    display: block;
    position: fixed;
    top: 1rem;
    right: 1rem;
    background: var(--charcoal);
    color: #fff;
    padding: 0.5rem 1rem;
    border: none;
    font-size: 1.2rem;
    z-index: 1000;
    cursor: pointer;
  }

  .mobile-menu {
    display: none;
    position: fixed;
    top: 3.5rem;
    right: 0;
    background-color: var(--charcoal);
    width: 100%;
    z-index: 999;
    padding: 1rem 0;
  }

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

  .mobile-menu li {
    padding: 0.75rem 1.5rem;
    border-top: 1px solid var(--line-dark);
  }

  .mobile-menu a {
    color: rgba(250, 248, 244, 0.82);
    text-decoration: none;
    font-size: 1.05rem;
    display: block;
  }

  .mobile-menu.show {
    display: block;
  }

  .mobile-menu li.dropdown .dropdown-content {
    position: static;
    display: none;
    max-height: calc(100vh - 6rem);
    overflow-y: auto;
    margin: 0 1rem 3rem 2rem;
    width: auto;
    background-color: var(--charcoal-soft);
  }

  .dropdown-toggle {
    background: none;
    border: none;
    color: rgba(250, 248, 244, 0.82);
    font-size: 1.05rem;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    cursor: pointer;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    padding-left: 22px;
  }

  .dropdown-toggle:hover {
    color: #ffffff;
  }

  .dropdown-toggle .arrow {
    margin-left: 0.5rem;
    color: rgba(250, 248, 244, 0.82);
    font-size: 0.9rem;
  }

  .dropdown-toggle:hover .arrow {
    color: var(--accent);
  }

  .mobile-menu li.dropdown.open > ul.dropdown-content {
    display: block;
  }

  .mobile-menu .arrow {
    float: right;
    transition: transform 0.3s ease;
    font-size: 0.8rem;
    margin-left: 0.5rem;
  }

  .mobile-menu li.dropdown.open > a .arrow {
    transform: rotate(180deg);
  }

  .mobile-menu li.dropdown > a {
    cursor: pointer;
    user-select: none;
  }
}

/* ==== Hero (unused on this page currently, kept for consistency) ==== */
.hero {
  position: relative;
  background-color: var(--charcoal);
  color: #ffffff;
  text-align: center;
  overflow: hidden;
  padding-top: 13rem;
  padding-bottom: 9rem;
  padding-left: 2rem;
  padding-right: 2rem;
}

.hero h1 {
  font-size: clamp(2.3rem, 4.2vw, 3.1rem);
  margin: 0;
}

.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  line-height: 0;
}

.hero-wave svg {
  display: block;
  width: 100%;
  height: 100px;
}

/* ==== Service section (unused on this page currently) ==== */
.service-section {
  color: var(--ink);
  display: flex;
  background-color: var(--paper-alt);
  align-items: center;
  padding: 5.5rem 6%;
  gap: 3.5rem;
}

.service-section.alt {
  flex-direction: row-reverse;
}

.service-text h2 {
  font-size: clamp(1.6rem, 2.6vw, 2rem);
  margin-bottom: 16px;
}

.service-text p {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 600px;
}

.service-image img {
  width: 100px;
  height: 100px;
  object-fit: contain;
}

.contact-cta {
  background-color: var(--charcoal);
  color: #fff;
  text-align: center;
  padding: 4rem 2rem;
}

.contact-cta h2 {
  font-size: 2rem;
  color: #fff;
}

.contact-cta p {
  font-size: 1.2rem;
  margin: 1rem 0;
  color: rgba(250, 248, 244, 0.62);
}

.cta-button {
  background-color: #fff;
  color: var(--charcoal);
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
}

/* ==== Contact block (live on this page) ==== */
.contact-block {
  background: var(--charcoal);
  background-size: cover;
  padding: 90px 5%;
  text-align: center;
  color: white;
}

@media (max-width: 768px) {
  .contact-block {
    background-attachment: scroll;
  }
}

.contact-image {
  max-width: 360px;
  width: 100%;
  height: auto;
  margin: 0 auto 40px auto;
  display: block;
  opacity: 0.9;
  filter: grayscale(0.2);
}

.contact-block h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.3rem);
  margin-bottom: 16px;
  color: #ffffff;
}

.contact-block a {
  background-color: var(--accent);
  color: #ffffff;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  display: inline-block;
  margin-top: 24px;
  transition: background-color 0.2s ease;
}

.contact-block a:hover {
  background-color: var(--accent-dark);
}

/* Footer */
footer {
  text-align: center;
  padding: 3rem 1rem 2.5rem;
  background: var(--charcoal);
  color: rgba(250, 248, 244, 0.45);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}