/* ── Reset & Custom Properties ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --navy:    #12293F;
  --cyan:    #1ACCC1;
  --white:   #FFFFFF;
  --gray-50: #F7F8FA;
  --gray-200:#E2E8F0;
  --gray-500:#718096;
  --gray-700:#2D3748;
  --radius:    5px;
  --radius-sm: 3px;
  --max-w:     1100px;
}

/* ── Base ── */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  color: var(--gray-700);
  background: var(--white);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Typography ── */
h1, h2, h3,
.tier__name,
.brand-name,
.tier__price,
.who__stat-number {
  font-family: 'Montserrat', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: opacity 0.15s ease, transform 0.1s ease;
  line-height: 1;
}

.btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.btn:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}

.btn--primary {
  background: var(--cyan);
  color: var(--navy);
  border-color: var(--cyan);
}

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

.btn--nav {
  padding: 10px 20px;
  font-size: 14px;
}

.btn--full {
  display: block;
  text-align: center;
}

/* ── Navigation ── */
.nav {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  will-change: transform;
}

.nav__inner {
  padding-top: 14px;
  padding-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  text-decoration: none;
  gap: 3px;
}

.brand-name {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 20px;
  color: var(--white);
  letter-spacing: 0.07em;
}

.brand-sub {
  font-family: 'Inter', sans-serif;
  font-size: 9px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* ── Hero ── */
.hero {
  background: var(--navy);
  padding: 88px 0 80px;
  color: var(--white);
}

.hero__accent {
  width: 56px;
  height: 3px;
  background: var(--cyan);
  margin-bottom: 28px;
  border-radius: var(--radius-sm);
}

.hero__headline {
  font-size: clamp(30px, 4.5vw, 52px);
  color: var(--white);
  max-width: 760px;
  margin-bottom: 24px;
}

.hero__sub {
  font-size: clamp(16px, 2vw, 18px);
  color: rgba(255, 255, 255, 0.72);
  max-width: 580px;
  margin-bottom: 40px;
  line-height: 1.75;
}

/* ── Trust Pillars ── */
.trust {
  background: var(--gray-50);
  padding: 60px 0;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.trust__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  list-style: none;
}

.trust__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.trust__icon {
  font-size: 26px;
  margin-bottom: 6px;
  display: block;
}

.trust__item strong {
  font-family: 'Montserrat', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.trust__item p {
  font-size: 15px;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ── Service Tiers ── */
.tiers {
  padding: 80px 0;
  background: var(--white);
}

.tiers h2 {
  font-size: clamp(26px, 3.5vw, 38px);
  color: var(--navy);
  margin-bottom: 12px;
}

.tiers__sub {
  color: var(--gray-500);
  max-width: 620px;
  margin-bottom: 48px;
  font-size: 16px;
}

.tiers__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.tier {
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.tier--featured {
  border-color: var(--cyan);
  border-width: 2px;
}

.tier__badge {
  font-family: 'Montserrat', sans-serif;
  font-size: 10px;
  font-weight: 700;
  color: var(--navy);
  background: var(--cyan);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  align-self: flex-start;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tier__name {
  font-size: 22px;
  color: var(--navy);
}

.tier__price {
  font-size: 26px;
  color: var(--navy);
}

.tier__price span {
  font-size: 13px;
  font-weight: 400;
  color: var(--gray-500);
}

.tier ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-grow: 1;
  margin-bottom: 4px;
}

.tier ul li {
  font-size: 15px;
  color: var(--gray-500);
  padding-left: 20px;
  position: relative;
  line-height: 1.5;
}

.tier ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 700;
  line-height: 1.5;
}

/* ── Who We Help ── */
.who {
  background: var(--navy);
  color: var(--white);
  padding: 88px 0;
}

.who__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.who h2 {
  font-size: clamp(24px, 3vw, 36px);
  color: var(--white);
  margin-bottom: 24px;
}

.who p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 18px;
  font-size: 16px;
  line-height: 1.75;
}

.who__stats {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.who__stat {
  border-left: 3px solid var(--cyan);
  padding-left: 20px;
}

.who__stat-number {
  font-size: 38px;
  font-weight: 800;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 4px;
}

.who__stat-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ── Contact ── */
.contact {
  padding: 88px 0;
  background: var(--gray-50);
}

.contact h2 {
  font-size: clamp(24px, 3.5vw, 38px);
  color: var(--navy);
  margin-bottom: 12px;
}

.contact__sub {
  color: var(--gray-500);
  max-width: 560px;
  margin-bottom: 40px;
  font-size: 16px;
}

.contact__form {
  max-width: 640px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.contact__form input {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  color: var(--gray-700);
  background: var(--white);
  transition: border-color 0.15s ease;
}

.contact__form input::placeholder {
  color: var(--gray-500);
}

.contact__form input:focus {
  outline: 3px solid var(--cyan);
  outline-offset: 0px;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(26, 204, 193, 0.15);
}

.contact__note {
  margin-top: 10px;
  font-size: 13px;
  color: var(--gray-500);
}

/* ── Footer ── */
.footer {
  background: var(--navy);
  padding: 44px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  text-align: center;
}

.footer__logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.footer__links {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  flex-wrap: wrap;
  justify-content: center;
}

.footer__links a {
  color: var(--cyan);
  text-decoration: none;
  transition: opacity 0.15s;
}

.footer__links a:hover {
  opacity: 0.75;
  text-decoration: underline;
}

.footer__copy {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
}

/* ── Responsive: 768px ── */
@media (max-width: 768px) {
  .trust__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .tiers__grid {
    grid-template-columns: 1fr;
    max-width: 460px;
    margin-left: auto;
    margin-right: auto;
  }

  .who__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .who__stats {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 24px;
  }

  .who__stat {
    flex: 1;
    min-width: 100px;
  }

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

  .hero {
    padding: 64px 0 56px;
  }

  .tiers,
  .who,
  .contact {
    padding: 64px 0;
  }
}

/* ── Responsive: 480px ── */
@media (max-width: 480px) {
  .brand-name {
    font-size: 17px;
  }

  .btn--nav {
    padding: 9px 14px;
    font-size: 13px;
  }

  .tier {
    padding: 28px 22px;
  }
}