:root {
  --ink: #13201d;
  --muted: #5a6a64;
  --line: #dbe7e1;
  --paper: #f7fbf8;
  --wash: #ecf5ef;
  --green: #18a66b;
  --green-dark: #0b704d;
  --mint: #d9f4e5;
  --gold: #e6a72e;
  --coral: #cc684f;
  --blue: #e7edff;
  --white: #ffffff;
  --shadow: 0 22px 60px rgba(19, 32, 29, 0.14);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(219, 231, 225, 0.82);
  background: rgba(247, 251, 248, 0.9);
  backdrop-filter: blur(18px);
}

.brand,
.main-nav,
.hero-actions,
.hero-stats,
.trust-strip,
.footer-links,
.site-footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
  white-space: nowrap;
}

.brand-mark {
  display: inline-grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 8px;
  color: var(--white);
  background: var(--green-dark);
  font-size: 0.82rem;
}

.main-nav {
  gap: clamp(16px, 3vw, 34px);
  color: var(--muted);
  font-size: 0.96rem;
}

.main-nav a,
.site-footer a {
  transition:
    color 160ms ease,
    opacity 160ms ease;
}

.main-nav a:hover,
.site-footer a:hover {
  color: var(--green-dark);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  font-weight: 800;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.header-cta {
  padding: 0 18px;
  color: var(--white);
  background: var(--ink);
}

.header-cta:hover,
.button:hover {
  transform: translateY(-1px);
}

.hero {
  position: relative;
  min-height: 76svh;
  overflow: hidden;
  isolation: isolate;
}

.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-bg {
  background-image: url("assets/transfer-hero.png");
  background-position: center right;
  background-size: cover;
}

.hero-overlay {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(8, 26, 20, 0.92) 0%, rgba(8, 26, 20, 0.72) 36%, rgba(8, 26, 20, 0.18) 68%, rgba(8, 26, 20, 0.04) 100%),
    linear-gradient(0deg, rgba(8, 26, 20, 0.46) 0%, rgba(8, 26, 20, 0.02) 34%);
}

.hero-content {
  width: min(680px, calc(100% - 40px));
  padding: clamp(70px, 11vh, 124px) 0 42px;
  margin-left: clamp(20px, 5vw, 72px);
  color: var(--white);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #7cf0b8;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 10ch;
  margin-bottom: 18px;
  font-size: clamp(4rem, 8vw, 7.25rem);
  line-height: 0.9;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.24rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 580px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 34px;
}

.button {
  min-width: 148px;
  padding: 0 22px;
  border: 1px solid transparent;
  cursor: pointer;
  font: inherit;
}

.button-primary {
  color: #082017;
  background: #8ff0bd;
  box-shadow: 0 14px 36px rgba(24, 166, 107, 0.28);
}

.button-primary:hover {
  background: #a4f6cc;
}

.button-secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.46);
  background: rgba(255, 255, 255, 0.1);
}

.hero-stats {
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

.hero-stats div {
  min-width: 128px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
}

.hero-stats dt {
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1.1;
}

.hero-stats dd {
  margin: 2px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.88rem;
}

.trust-strip {
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  padding: 16px clamp(20px, 5vw, 72px);
  background: var(--ink);
  color: var(--white);
}

.trust-strip span {
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.9rem;
}

.section {
  padding: clamp(64px, 9vw, 112px) clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading h2,
.split-copy h2,
.contact-copy h2 {
  max-width: 760px;
}

.process-grid,
.security-grid,
.pricing-grid {
  display: grid;
  gap: 18px;
}

.process-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.transfer-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.process-grid article,
.security-grid article,
.price-card,
.contact-form {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 14px 40px rgba(19, 32, 29, 0.07);
}

.process-grid article {
  min-height: 252px;
  padding: 26px;
}

.step-number {
  display: block;
  margin-bottom: 46px;
  color: var(--coral);
  font-size: 0.82rem;
  font-weight: 900;
}

.process-grid p,
.security-grid p,
.price-card li,
.split-copy p,
.contact-copy p {
  color: var(--muted);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1fr);
  gap: clamp(32px, 7vw, 92px);
  align-items: center;
  background: var(--wash);
}

.split-copy p {
  max-width: 610px;
  font-size: 1.06rem;
}

.coverage-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.coverage-list div {
  min-height: 150px;
  padding: 22px;
  border: 1px solid rgba(19, 32, 29, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.coverage-list strong,
.coverage-list span {
  display: block;
}

.coverage-list strong {
  margin-bottom: 10px;
  font-size: 1.08rem;
}

.coverage-list span {
  color: var(--muted);
}

.security-section {
  background: #fffdfa;
}

.security-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.security-grid article {
  padding: 26px;
  border-top: 4px solid var(--green);
}

.pricing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.price-card {
  padding: 28px;
}

.price-card.featured {
  border-color: rgba(24, 166, 107, 0.58);
  background: #f3fff8;
  box-shadow: var(--shadow);
}

.plan-label {
  margin-bottom: 12px;
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.price {
  margin-bottom: 20px;
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
}

.price-card ul {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.price-card li {
  position: relative;
  padding-left: 22px;
}

.price-card li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 99px;
  background: var(--green);
  content: "";
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 540px);
  gap: clamp(32px, 7vw, 92px);
  align-items: start;
  background: var(--ink);
  color: var(--white);
}

.contact-copy {
  position: sticky;
  top: 112px;
}

.contact-copy p {
  color: rgba(255, 255, 255, 0.74);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 26px;
  color: var(--ink);
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: var(--paper);
  font: inherit;
}

select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 20px,
    calc(100% - 13px) 20px;
  background-repeat: no-repeat;
  background-size:
    5px 5px,
    5px 5px;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(24, 166, 107, 0.2);
  border-color: var(--green);
}

.contact-form .button-primary {
  width: 100%;
  margin-top: 4px;
  border: 0;
  color: var(--white);
  background: var(--green-dark);
}

.form-note {
  min-height: 24px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer {
  justify-content: space-between;
  gap: 18px;
  padding: 22px clamp(20px, 5vw, 72px);
  color: var(--muted);
  background: var(--white);
}

.footer-links {
  gap: 18px;
  white-space: nowrap;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .main-nav {
    display: none;
  }

  .hero {
    min-height: 74svh;
  }

  .hero-bg {
    background-position: 60% center;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(8, 26, 20, 0.94) 0%, rgba(8, 26, 20, 0.72) 52%, rgba(8, 26, 20, 0.12) 100%),
      linear-gradient(0deg, rgba(8, 26, 20, 0.54) 0%, rgba(8, 26, 20, 0.03) 42%);
  }

  .process-grid,
  .security-grid,
  .pricing-grid,
  .transfer-grid,
  .split-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .contact-copy {
    position: static;
  }
}

@media (max-width: 1180px) and (min-width: 981px) {
  .transfer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 12px 16px;
  }

  .brand span:last-child {
    max-width: 132px;
    white-space: normal;
    line-height: 1.1;
  }

  .header-cta {
    min-height: 40px;
    padding: 0 12px;
    font-size: 0.9rem;
  }

  .hero {
    min-height: 72svh;
  }

  .hero-bg {
    background-position: 68% center;
  }

  .hero-content {
    width: min(100% - 32px, 540px);
    padding-top: 54px;
    margin-left: 16px;
  }

  h1 {
    font-size: clamp(3.4rem, 20vw, 4.7rem);
  }

  h2 {
    font-size: 2rem;
  }

  .hero-actions,
  .hero-stats {
    align-items: stretch;
  }

  .button,
  .hero-stats div {
    width: 100%;
  }

  .trust-strip {
    justify-content: flex-start;
    padding-inline: 16px;
  }

  .section {
    padding: 56px 16px;
  }

  .coverage-list {
    grid-template-columns: 1fr;
  }

  .process-grid article,
  .security-grid article,
  .price-card,
  .contact-form {
    padding: 22px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding-inline: 16px;
  }

  .footer-links {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}