/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --blue: #1a56db;
  --blue-dark: #1040b0;
  --gray-light: #f4f4f6;
  --gray-mid: #e2e2e8;
  --gray-text: #555566;
  --max-w: 1100px;
  --radius: 6px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ===== TYPOGRAPHY ===== */
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 700; line-height: 1.2; }
h3 { font-size: 1.25rem; font-weight: 700; }
p  { color: var(--gray-text); }

/* ===== LAYOUT ===== */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
.section    { padding: 80px 0; }
.section--dark { background: var(--black); color: var(--white); }
.section--dark p { color: #a0a0b8; }
.section--gray { background: var(--gray-light); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  border: none;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.15); }
.btn--primary { background: var(--blue); color: var(--white); }
.btn--primary:hover { background: var(--blue-dark); }
.btn--outline { background: transparent; color: var(--white); border: 2px solid var(--white); }
.btn--outline:hover { background: var(--white); color: var(--black); }
.btn--dark { background: var(--black); color: var(--white); }
.btn--dark:hover { background: #333; }

/* ===== NAVBAR ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-mid);
  padding: 0 1.5rem;
}
.navbar__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.navbar__logo {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--black);
}
.navbar__logo span { color: var(--blue); }
.navbar__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.navbar__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-text);
  transition: color 0.15s;
}
.navbar__links a:hover,
.navbar__links a.active { color: var(--black); }
.navbar__links .btn { margin-left: 0.5rem; color: var(--white); }

/* Hamburger */
.navbar__toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; }
.navbar__toggle span { display: block; width: 24px; height: 2px; background: var(--black); transition: all 0.2s; }
.navbar__mobile { display: none; flex-direction: column; gap: 1rem; padding: 1rem 0 1.5rem; border-top: 1px solid var(--gray-mid); }
.navbar__mobile a { font-size: 1rem; font-weight: 500; color: var(--black); padding: 0.25rem 0; }
.navbar__mobile.open { display: flex; }

/* ===== HERO ===== */
.hero {
  background: var(--black);
  color: var(--white);
  padding: 100px 1.5rem 90px;
  text-align: center;
}
.hero h1 { color: var(--white); }
.hero h1 .accent { color: var(--blue); }
.hero__sub {
  margin: 1.25rem auto 0;
  max-width: 540px;
  font-size: 1.1rem;
  color: #a0a0b8;
}
.hero__actions { margin-top: 2.5rem; display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ===== SPLIT BANNER ===== */
.split-banner {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.split-banner__cell {
  padding: 60px 48px;
}
.split-banner__cell--dark { background: var(--black); color: var(--white); }
.split-banner__cell--dark p { color: #a0a0b8; }
.split-banner__cell h3 { font-size: 1.3rem; margin-bottom: 0.75rem; }
.split-banner__cell p  { font-size: 0.97rem; }
.split-banner__cell a  { display: inline-block; margin-top: 1.1rem; color: var(--blue); font-weight: 600; font-size: 0.9rem; }
.split-banner__cell a:hover { text-decoration: underline; }

/* ===== CARD GRID ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}
.card {
  background: var(--white);
  border: 1px solid var(--gray-mid);
  border-radius: 10px;
  padding: 2rem;
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.09); transform: translateY(-3px); }
.card__icon {
  width: 48px; height: 48px;
  background: #e8f0fe;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}
.card h3 { margin-bottom: 0.5rem; }
.card p  { font-size: 0.92rem; }
.card ul { margin-top: 0.75rem; display: flex; flex-direction: column; gap: 0.35rem; }
.card ul li { font-size: 0.88rem; color: var(--gray-text); padding-left: 1rem; position: relative; }
.card ul li::before { content: "•"; position: absolute; left: 0; color: var(--blue); }

/* ===== PILLARS ===== */
.pillars { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 2rem; margin-top: 3rem; }
.pillar { text-align: center; padding: 2rem 1.5rem; }
.pillar__num { font-size: 3rem; font-weight: 900; color: var(--blue); opacity: 0.15; line-height: 1; }
.pillar h3  { margin-top: -0.5rem; margin-bottom: 0.5rem; }

/* ===== WHY LIST ===== */
.why-list { margin-top: 2rem; display: flex; flex-direction: column; gap: 0.75rem; }
.why-list li {
  display: flex; align-items: flex-start; gap: 0.75rem;
  background: var(--white); border: 1px solid var(--gray-mid);
  border-radius: var(--radius); padding: 1rem 1.25rem;
  font-size: 0.93rem; color: var(--gray-text);
}
.why-list li::before { content: "✕"; color: #e53e3e; font-weight: 700; flex-shrink: 0; margin-top: 1px; }

/* ===== SECTION HEADER ===== */
.section-header { text-align: center; max-width: 640px; margin: 0 auto 3rem; }
.section-header p { margin-top: 0.75rem; font-size: 1.05rem; }
.overline { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--blue); margin-bottom: 0.5rem; }

/* ===== CTA BAND ===== */
.cta-band {
  background: var(--blue);
  color: var(--white);
  text-align: center;
  padding: 70px 1.5rem;
}
.cta-band h2 { color: var(--white); margin-bottom: 1rem; }
.cta-band p  { color: rgba(255,255,255,0.8); margin-bottom: 2rem; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-band .btn--outline { border-color: rgba(255,255,255,0.6); }

/* ===== CONTACT FORM ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 4rem; align-items: start; }
.contact-info h2 { margin-bottom: 1rem; }
.contact-info p  { margin-bottom: 1.5rem; }
.contact-info-items { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 2rem; }
.contact-info-item { display: flex; gap: 0.75rem; align-items: flex-start; font-size: 0.93rem; }
.contact-info-item span:first-child { font-size: 1.2rem; }

.form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.88rem; font-weight: 600; color: var(--black); }
.form-group input,
.form-group textarea,
.form-group select {
  border: 1.5px solid var(--gray-mid);
  border-radius: var(--radius);
  padding: 0.65rem 0.9rem;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--black);
  background: var(--white);
  transition: border-color 0.15s;
  width: 100%;
}
.form-group input:focus,
.form-group textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(26,86,219,0.1); }
.form-group textarea { resize: vertical; min-height: 130px; }
.required { color: #e53e3e; }
.form-note { font-size: 0.8rem; color: var(--gray-text); }
.form-success {
  display: none;
  background: #f0fdf4; border: 1px solid #86efac;
  border-radius: var(--radius); padding: 1rem 1.25rem;
  color: #166534; font-size: 0.95rem;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--black);
  color: #a0a0b8;
  padding: 60px 1.5rem 30px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  max-width: var(--max-w);
  margin: 0 auto 3rem;
}
.footer__brand { }
.footer__logo { font-size: 1.4rem; font-weight: 900; color: var(--white); letter-spacing: -0.04em; margin-bottom: 0.75rem; }
.footer__logo span { color: var(--blue); }
.footer__tagline { font-size: 0.9rem; line-height: 1.6; }
.footer__col h4 { color: var(--white); font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 1rem; }
.footer__col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer__col a { font-size: 0.9rem; transition: color 0.15s; }
.footer__col a:hover { color: var(--white); }
.footer__bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  border-top: 1px solid #1e1e2e;
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.83rem;
}
.footer__bottom a:hover { color: var(--white); }

/* ===== PAGE HERO ===== */
.page-hero {
  background: var(--black);
  color: var(--white);
  padding: 70px 1.5rem 60px;
}
.page-hero .overline { color: #6b88ff; }
.page-hero h1 { color: var(--white); font-size: clamp(2rem, 5vw, 3.2rem); margin-top: 0.5rem; }
.page-hero p { color: #a0a0b8; margin-top: 0.75rem; max-width: 560px; font-size: 1.05rem; }

/* ===== QUOTE ===== */
.quote-block {
  border-left: 4px solid var(--blue);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  background: var(--gray-light);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--gray-text);
  font-size: 0.97rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .navbar__links { display: none; }
  .navbar__toggle { display: flex; }
  .split-banner { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .form-row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .section { padding: 60px 0; }
  .hero { padding: 70px 1.5rem 60px; }
}
