/* Service and Technology — Design Class concept palette */
:root {
  --color-bg: #F8F5EE;
  --color-bg-block: #EFEFF5;
  --color-bg-card: #ffffff;
  --color-text: #4A4A4A;
  --color-text-muted: #6B6B6B;
  --color-accent-purple: #6A3EE6;
  --color-accent-purple-hover: #5a2ed6;
  --color-accent-lime: #B1F20C;
  --color-accent-lime-dark: #8bc009;
  --color-border: #E8E6E1;
  --color-border-block: #E0DFE8;
  --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius: 20px;
  --radius-sm: 12px;
  --radius-pill: 9999px;
  --shadow: 0 2px 8px rgba(74, 74, 74, 0.06);
  --shadow-hover: 0 8px 24px rgba(74, 74, 74, 0.12);
  --transition: 0.25s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .animate-on-scroll { opacity: 1 !important; transform: none !important; }
  .hero__sparkle { animation: none; }
  .hero__deco { animation: none; }
  .cta__deco { animation: none; }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

a {
  color: var(--color-accent-purple);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent-purple-hover);
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container--block {
  background: var(--color-bg-block);
  border-radius: var(--radius);
  padding: 48px 32px;
  margin: 0 auto;
  max-width: 1200px;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes sparkle {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger cards on scroll */
.cards--values .card.animate-on-scroll:nth-child(1) { transition-delay: 0.05s; }
.cards--values .card.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.cards--values .card.animate-on-scroll:nth-child(3) { transition-delay: 0.15s; }
.cards--values .card.animate-on-scroll:nth-child(4) { transition-delay: 0.2s; }
.cards--values .card.animate-on-scroll:nth-child(5) { transition-delay: 0.25s; }
.cards--values .card.animate-on-scroll:nth-child(6) { transition-delay: 0.3s; }
.cards--techo .card.animate-on-scroll:nth-child(1) { transition-delay: 0.05s; }
.cards--techo .card.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.cards--techo .card.animate-on-scroll:nth-child(3) { transition-delay: 0.15s; }
.cards--techo .card.animate-on-scroll:nth-child(4) { transition-delay: 0.2s; }
.cards--techo .card.animate-on-scroll:nth-child(5) { transition-delay: 0.25s; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--pill {
  border-radius: var(--radius-pill);
}

.btn--primary {
  background: var(--color-accent-lime);
  color: var(--color-text);
  border-color: var(--color-accent-lime);
}

.btn--primary:hover {
  background: var(--color-accent-lime-dark);
  border-color: var(--color-accent-lime-dark);
  color: var(--color-text);
  box-shadow: var(--shadow-hover);
}

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

.btn--outline:hover {
  background: var(--color-accent-purple);
  color: #fff;
  border-color: var(--color-accent-purple);
}

.btn__arrow {
  font-size: 18px;
  line-height: 1;
}

.btn--large {
  padding: 16px 32px;
  font-size: 16px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 245, 238, 0.95);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}

.logo__img {
  height: 40px;
  width: auto;
}

.logo--footer .logo__img {
  height: 36px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  color: var(--color-text);
  font-weight: 500;
  font-size: 15px;
}

.nav__link:hover {
  color: var(--color-accent-purple);
}

@media (max-width: 768px) {
  .header__inner {
    flex-wrap: wrap;
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 20px;
  }

  .btn--outline {
    order: 2;
  }
}

/* Hero */
.hero {
  position: relative;
  padding: 80px 0 100px;
  background: var(--color-bg);
  overflow: hidden;
}

.hero__sparkle {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 2px solid var(--color-accent-lime);
  transform: rotate(45deg);
  animation: sparkle 2.5s ease-in-out infinite;
}

.hero__sparkle--1 { top: 20%; right: 18%; animation-delay: 0s; }
.hero__sparkle--2 { bottom: 30%; left: 12%; animation-delay: 1s; }

.hero__deco {
  position: absolute;
  font-size: 64px;
  font-weight: 700;
  color: var(--color-accent-purple);
  opacity: 0.2;
  pointer-events: none;
  animation: float 4s ease-in-out infinite;
}

.hero__deco--asterisk {
  top: 15%;
  right: 10%;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero__content {
  max-width: 520px;
}

.hero__title {
  margin: 0 0 24px;
  font-size: clamp(28px, 4.5vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.hero__highlight {
  color: transparent;
  -webkit-text-stroke: 2px var(--color-accent-lime);
  text-stroke: 2px var(--color-accent-lime);
  padding: 0 2px;
}

.hero__subtitle {
  margin: 0 0 32px;
  font-size: 17px;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.hero__visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}

.hero__img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius);
}

@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__content {
    max-width: none;
  }

  .hero__visual {
    max-width: 480px;
    margin: 0 auto;
  }

  .hero__deco--asterisk {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 48px 0 64px;
  }

  .hero__subtitle {
    font-size: 16px;
  }

  .hero__img {
    height: 260px;
  }
}

/* Sections */
.section {
  padding: 80px 0;
}

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

.section--block .container--block {
  width: calc(100% - 48px);
  max-width: 1160px;
}

#mission,
#values,
#techo,
#contact {
  scroll-margin-top: 80px;
}

.section__badge {
  display: inline-block;
  padding: 8px 18px;
  margin-bottom: 16px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--color-accent-lime);
  color: var(--color-text);
  border-radius: var(--radius-pill);
}

.section__badge--purple {
  background: var(--color-accent-purple);
  color: #fff;
}

.section__title {
  margin: 0 0 16px;
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.section__lead {
  margin: 0 0 32px;
  font-size: 17px;
  color: var(--color-text-muted);
  max-width: 720px;
}

/* Mission */
.mission__text {
  max-width: 720px;
}

.mission__text p {
  margin: 0 0 20px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

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

.mission__visuals {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
  max-width: 720px;
}

.mission__img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.mission__img:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

@media (max-width: 600px) {
  .mission__visuals {
    grid-template-columns: 1fr;
  }

  .mission__img {
    height: 180px;
  }
}

/* Triangle (values intro) */
.triangle {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px 24px;
  margin-bottom: 48px;
  padding: 24px 0;
}

.triangle__node {
  font-weight: 600;
  font-size: 16px;
  color: var(--color-accent-purple);
  padding: 10px 20px;
  background: var(--color-bg-card);
  border: 2px solid var(--color-border-block);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow);
  transition: border-color var(--transition), transform var(--transition);
}

.triangle__node:hover {
  border-color: var(--color-accent-purple);
  transform: scale(1.05);
}

.triangle__node:nth-child(2)::before {
  content: '— ';
  color: var(--color-text-muted);
  font-weight: 400;
}

.triangle__node:nth-child(2)::after {
  content: ' —';
  color: var(--color-text-muted);
  font-weight: 400;
}

/* Cards */
.cards {
  display: grid;
  gap: 24px;
}

.cards--values {
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
}

.cards--techo {
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.card {
  background: var(--color-bg-card);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  border-color: var(--color-accent-purple);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.card__title {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.35;
}

.card__label {
  margin: 12px 0 4px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-accent-purple);
}

.card__label:first-of-type {
  margin-top: 0;
}

.card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.card__details {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.card__details summary {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent-purple);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.card__details summary::-webkit-details-marker {
  display: none;
}

.card__details summary::after {
  content: ' ▼';
  font-size: 10px;
  opacity: 0.7;
}

.card__details[open] summary::after {
  content: ' ▲';
}

.card__details p {
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* T.E.C.H.O. cards */
.card--techo-item {
  position: relative;
  padding-top: 48px;
}

.card__letter {
  position: absolute;
  top: 20px;
  left: 28px;
  font-size: 42px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent-purple);
  opacity: 0.2;
  letter-spacing: -0.02em;
}

.card--techo-item .card__title {
  font-size: 17px;
}

@media (max-width: 600px) {
  .cards--values,
  .cards--techo {
    grid-template-columns: 1fr;
  }
}

/* CTA */
.cta {
  position: relative;
  padding: 100px 0;
  background: var(--color-accent-purple);
  color: #fff;
  text-align: center;
  overflow: hidden;
}

.cta__deco {
  position: absolute;
  font-size: 80px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.12);
  pointer-events: none;
  animation: float 5s ease-in-out infinite;
}

.cta__deco--asterisk {
  bottom: 10%;
  left: 8%;
}

.cta__inner {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.cta__title {
  margin: 0 0 20px;
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.cta__text {
  margin: 0 0 32px;
  font-size: 17px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.9);
}

.cta .btn--primary {
  background: var(--color-accent-lime);
  color: var(--color-text);
  border-color: var(--color-accent-lime);
}

.cta .btn--primary:hover {
  background: var(--color-accent-lime-dark);
  border-color: var(--color-accent-lime-dark);
  color: var(--color-text);
}

/* Footer */
.footer {
  padding: 48px 0 32px;
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.8);
}

.footer__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto auto;
  gap: 24px 48px;
  align-items: start;
}

.footer .logo {
  grid-row: 1 / -1;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 32px;
}

.footer__nav a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
}

.footer__nav a:hover {
  color: var(--color-accent-lime);
}

.footer__contacts {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: right;
}

.footer__contacts a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
}

.footer__contacts a:hover {
  color: #fff;
}

.footer__copy {
  grid-column: 1 / -1;
  margin: 24px 0 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer .logo {
    justify-content: center;
  }

  .footer__nav {
    justify-content: center;
  }

  .footer__contacts {
    text-align: center;
  }
}

.section__title + .section__lead {
  margin-top: 0;
}