/* ===== Tokens ===== */
:root {
  --obsidian: #111315;
  --deep-teal: #176B67;
  --aqua-mint: #59C7B8;
  --mist: #E8F1EF;
  --warm-white: #F7F8F6;
  --graphite: #4B5354;

  --font: 'Onest', system-ui, -apple-system, sans-serif;

  --container-width: 1120px;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.55;
  color: var(--obsidian);
  background: var(--warm-white);
}

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

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

h1, h2, h3 {
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0 0 0.5em;
  color: var(--obsidian);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.08; font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); line-height: 1.15; }
h3 { font-size: 1.2rem; }

p { color: var(--graphite); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: transform 0.15s ease, background-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--deep-teal);
  color: var(--warm-white);
}
.btn-primary:hover { background: #145855; transform: translateY(-2px); }
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--obsidian);
  border: 1.5px solid var(--obsidian);
}
.btn-ghost:hover { background: var(--obsidian); color: var(--warm-white); transform: translateY(-2px); }
.btn-ghost:active { transform: translateY(0); }

.btn-small { padding: 9px 18px; font-size: 0.9rem; }
.btn-large { padding: 18px 40px; font-size: 1.1rem; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 248, 246, 0.9);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid rgba(17, 19, 21, 0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.logo-link { display: block; }
.logo { height: 52px; width: auto; }

.main-nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
}
.main-nav a {
  position: relative;
  color: var(--obsidian);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--deep-teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.main-nav a:hover { color: var(--deep-teal); }
.main-nav a:hover::after { transform: scaleX(1); }

.header-cta { margin-left: 8px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--obsidian);
  border-radius: 2px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 88px;
  background-image:
    linear-gradient(to right, var(--warm-white) 30%, rgba(247, 248, 246, 0.55) 55%, rgba(247, 248, 246, 0) 75%),
    url('../assets/hero-bg.jpg');
  background-size: cover;
  background-position: right center;
  background-repeat: no-repeat;
}
.hero-inner { position: relative; max-width: 760px; }
.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--graphite);
  margin: 0 0 2em;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ===== Section title with dash ===== */
.section-title { display: flex; align-items: center; gap: 16px; margin-bottom: 0.9em; }
.title-dash { flex-shrink: 0; width: 28px; height: 2px; background: var(--obsidian); }

/* ===== Services ===== */
.services {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--mist) 0%, #dcece8 100%);
  padding: 88px 0;
}
.services-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.services-lines path {
  fill: none;
  stroke: var(--obsidian);
  stroke-width: 1.5;
  opacity: 0.1;
}
.services-lines circle {
  fill: none;
  stroke: var(--deep-teal);
  stroke-width: 1.5;
  opacity: 0.12;
}
.services .container { position: relative; z-index: 1; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #ffffff 0%, var(--warm-white) 100%);
  border-radius: var(--radius);
  padding: 28px 28px 32px;
  box-shadow: 0 10px 24px rgba(17, 19, 21, 0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.service-card::after {
  content: '';
  position: absolute;
  right: 0;
  bottom: 0;
  border-style: solid;
  border-width: 0 0 52px 52px;
  border-color: transparent transparent var(--mist) transparent;
  filter: drop-shadow(-3px -3px 6px rgba(17, 19, 21, 0.15));
  transition: border-color 0.25s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 32px rgba(17, 19, 21, 0.08);
}
.service-card:hover::after { border-color: transparent transparent var(--aqua-mint) transparent; }
.service-card-header {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--deep-teal);
  color: var(--warm-white);
  transition: transform 0.25s ease, background-color 0.25s ease;
}
.service-card:hover .service-icon {
  background: var(--aqua-mint);
  color: var(--obsidian);
  transform: translateX(4px);
}
.service-icon svg { width: 22px; height: 22px; }
.service-number {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--aqua-mint);
  font-weight: 700;
  font-size: 1.05rem;
}
.number-dash { width: 22px; height: 2px; background: var(--aqua-mint); }
.service-card h3 { margin-bottom: 0.4em; }
.service-card p { position: relative; margin: 0; font-size: 0.98rem; }

/* ===== About ===== */
.about { padding: 96px 0; }
.about-inner { max-width: 760px; }
.about-lead {
  font-size: 1.2rem;
  color: var(--obsidian);
  font-weight: 500;
  margin-bottom: 2em;
}
.about-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--deep-teal);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  margin-bottom: 2.5em;
}
.flow-arrow {
  width: 38px;
  height: 16px;
  color: var(--aqua-mint);
  animation: arrow-nudge 1.8s ease-in-out infinite;
}
.flow-arrow:nth-of-type(2) { animation-delay: 0.2s; }
.flow-arrow:nth-of-type(3) { animation-delay: 0.4s; }

@keyframes arrow-nudge {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(5px); }
}

.about-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}
.about-points li {
  padding-left: 24px;
  position: relative;
  color: var(--graphite);
}
.about-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--aqua-mint);
  border-radius: 2px;
}
.about-points strong { color: var(--obsidian); }

/* ===== CTA final ===== */
.cta-final {
  background: var(--deep-teal);
  color: var(--warm-white);
  padding: 96px 0;
  text-align: center;
}
.cta-final-inner { max-width: 780px; margin: 0 auto; }
.cta-final h2 { color: var(--warm-white); white-space: nowrap; }
.cta-final p { color: var(--mist); margin-bottom: 2em; white-space: nowrap; }

@media (max-width: 720px) {
  .cta-final h2, .cta-final p { white-space: normal; }
}
.cta-final .btn-primary {
  background: var(--warm-white);
  color: var(--deep-teal);
}
.cta-final .btn-primary:hover { background: var(--mist); }

/* ===== Footer ===== */
.site-footer {
  background: var(--warm-white);
  border-top: 1px solid rgba(17, 19, 21, 0.08);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo { height: 18px; opacity: 0.85; }
.footer-meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.88rem;
  color: var(--graphite);
}
.footer-meta a { color: var(--graphite); text-decoration: none; }
.footer-meta a:hover { color: var(--deep-teal); }

/* ===== Scroll reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1.is-visible { transition-delay: 0.1s; }
.reveal-delay-2.is-visible { transition-delay: 0.2s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .flow-arrow { animation: none; }
  .btn, .service-card, .service-icon, .main-nav a::after {
    transition: none;
  }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--warm-white);
    border-bottom: 1px solid rgba(17,19,21,0.08);
    flex-direction: column;
    padding: 16px 24px 24px;
    display: none;
    gap: 16px;
  }
  .main-nav.open { display: flex; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }

  .services-grid { grid-template-columns: 1fr; }
  .hero {
    padding: 64px 0 56px;
    background-image:
      linear-gradient(to bottom, var(--warm-white) 55%, rgba(247, 248, 246, 0.7) 80%),
      url('../assets/hero-bg.jpg');
    background-position: center bottom;
  }
  .services, .about, .cta-final { padding: 64px 0; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}