:root {
  --ins-ink: var(--text-main);
  --ins-muted: var(--text-muted);
  --ins-teal: var(--ocean-cyan);
  --ins-deep: var(--navy-900);
  --ins-mint: var(--ocean-light);
  --ins-paper: var(--bg-slate);
  --ins-white: var(--bg-card);
  --ins-coral: var(--sun-gold);
  --ins-line: var(--border-light);
  --ins-heading: var(--font-heading);
  --ins-body: var(--font-body);
}

html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { color: var(--ins-ink); background: var(--ins-paper); font: 16px/1.6 var(--ins-body); }
button, input, select, textarea { font: inherit; }
:focus-visible { outline: 2px solid var(--ocean-accent); outline-offset: 3px; }

.ins-hero { position: relative; min-height: min(760px, calc(100svh - 66px)); display: flex; align-items: end; overflow: hidden; isolation: isolate; color: #fff; background: var(--ins-deep); }
.ins-hero-image, .ins-hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.ins-hero-image { z-index: -2; object-fit: cover; object-position: 56% center; }
.ins-hero-shade { z-index: -1; background: linear-gradient(0deg, rgba(5, 14, 31, .94), rgba(10, 25, 47, .68) 60%, rgba(10, 25, 47, .16)); }
.ins-hero-content { width: min(760px, 100%); padding: 70px 22px 94px; animation: ins-rise .65s ease-out both; }
.ins-eyebrow { margin: 0 0 20px; display: flex; align-items: center; gap: 11px; color: var(--ocean-light); font-size: 11px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.ins-eyebrow > span { width: 23px; height: 2px; display: inline-block; background: var(--ins-coral); }
.ins-hero h1 { max-width: 710px; margin: 0; font: 800 clamp(39px, 11vw, 58px)/1.04 var(--ins-heading); letter-spacing: 0; }
.ins-hero-copy { max-width: 590px; margin: 18px 0 0; color: rgba(255,255,255,.85); font-size: 15px; line-height: 1.65; }
.ins-hero-actions { margin-top: 25px; display: flex; flex-direction: column; align-items: flex-start; gap: 17px; }
.ins-button { min-height: 52px; padding: 0 20px; display: inline-flex; align-items: center; justify-content: space-between; gap: 22px; border: 1px solid transparent; font-size: 14px; font-weight: 700; text-decoration: none; cursor: pointer; transition: transform .2s ease, background .2s ease; }
.ins-button:hover { transform: translateY(-2px); }
.ins-button-light { color: var(--ins-deep); background: var(--bg-card); }
.ins-button-light:hover { background: var(--ins-mint); }
.ins-text-link { color: #fff; font-size: 14px; font-weight: 600; text-decoration-color: rgba(255,255,255,.55); text-underline-offset: 5px; }
.ins-hero-disclosure { max-width: 530px; margin: 30px 0 0; color: rgba(255,255,255,.72); font-size: 12px; }
.ins-image-caption { position: absolute; right: 20px; bottom: 14px; left: 20px; display: flex; justify-content: space-between; gap: 12px; color: rgba(255,255,255,.8); font-size: 8px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }

.ins-intro { padding: 61px 22px 68px; display: grid; grid-template-columns: 1fr; align-items: start; gap: 19px; background: var(--bg-card); }
.ins-intro-label { color: var(--navy-700); font-size: 12px; font-weight: 700; }
.ins-intro-label span { display: block; margin-bottom: 7px; color: var(--sun-gold); font: 700 14px var(--ins-heading); }
.ins-intro-copy h2, .ins-section-heading h2, .ins-form-aside h2, .ins-faq-heading h2, .ins-final-cta h2 { margin: 0; font: 750 clamp(30px, 4vw, 48px)/1.14 var(--ins-heading); letter-spacing: 0; }
.ins-intro-copy p { max-width: 760px; margin: 19px 0 0; color: var(--ins-muted); font-size: 15px; }
.ins-round-link { display: none; }

.ins-vessels { padding: 61px 22px 68px; background: var(--ins-mint); }
.ins-section-heading { margin-bottom: 27px; display: flex; align-items: flex-start; justify-content: space-between; flex-direction: column; gap: 14px; }
.ins-eyebrow-dark { margin-bottom: 16px; color: var(--ins-teal); }
.ins-section-heading > p { max-width: 390px; margin: 0; color: var(--ins-muted); font-size: 14px; }
.ins-vessel-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid rgba(10,25,47,.2); }
.ins-vessel-list article { min-height: 148px; padding: 18px 12px 16px 0; border-bottom: 1px solid rgba(10,25,47,.2); }
.ins-vessel-list article:nth-child(odd) { padding-left: 0; border-right: 1px solid rgba(10,25,47,.2); }
.ins-vessel-list article:nth-child(even) { padding-right: 0; padding-left: 16px; }
.ins-vessel-list article > span { color: var(--sun-gold); font: 700 12px var(--ins-heading); }
.ins-vessel-list h3 { margin: 12px 0 3px; font: 700 15px var(--ins-heading); }
.ins-vessel-list p { margin: 0; color: var(--ins-muted); font-size: 11px; }

.ins-form-section { padding: 61px 22px 68px; display: grid; grid-template-columns: 1fr; gap: 34px; background: var(--bg-card); }
.ins-form-aside { position: static; align-self: start; }
.ins-form-aside h2 { max-width: 370px; }
.ins-form-aside > p:not(.ins-eyebrow) { margin: 20px 0 0; color: var(--ins-muted); }
.ins-form-note { margin-top: 30px; padding-top: 18px; display: grid; grid-template-columns: 25px 1fr; gap: 13px; border-top: 1px solid var(--ins-line); }
.ins-form-note > span { width: 22px; height: 22px; display: grid; place-items: center; border: 1px solid var(--ins-teal); border-radius: 50%; color: var(--ins-teal); font: 700 12px var(--ins-heading); }
.ins-form-note p { margin: 0; color: var(--ins-muted); font-size: 13px; }
.ins-form-note strong { color: var(--ins-ink); }
.ins-contact-link { margin-top: 26px; display: flex; align-items: center; gap: 14px; color: var(--ins-ink); font-size: 13px; text-decoration: none; }
.ins-contact-link strong { display: inline-block; margin-bottom: 2px; font-size: 14px; }
.ins-whatsapp-mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--wa-dark); font-size: 19px; }
.ins-form { min-width: 0; }
.ins-form fieldset { margin: 0; padding: 0 0 30px; border: 0; border-bottom: 1px solid var(--ins-line); }
.ins-form fieldset + fieldset { padding-top: 30px; }
.ins-form legend { width: 100%; margin-bottom: 23px; display: flex; align-items: center; gap: 13px; color: var(--ins-ink); font: 750 20px var(--ins-heading); }
.ins-form legend span { color: var(--sun-gold); font: 700 12px var(--ins-heading); }
.ins-field-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.ins-field { min-width: 0; display: flex; flex-direction: column; gap: 8px; color: var(--ins-ink); font-size: 13px; font-weight: 700; }
.ins-field-wide { grid-column: 1 / -1; }
.ins-required, .required-mark { color: #ba5238; }
.ins-optional { margin-left: 5px; color: #788b85; font-size: 11px; font-weight: 500; }
.ins-field .form-control { width: 100%; min-height: 48px; font-size: 16px; background-color: var(--bg-slate); }
.ins-field textarea.form-control { min-height: 104px; resize: vertical; }
.ins-field input::placeholder, .ins-field textarea::placeholder { color: var(--text-light); }
.ins-input-hint, .ins-field-hint { color: var(--ins-muted); font-size: 12px; font-weight: 400; }
.ins-field-hint { margin: -10px 0 18px; }
.ins-field-grid-lower { margin-top: 24px; }
.ins-check-grid { display: grid; grid-template-columns: 1fr; gap: 10px 12px; }
.ins-check-grid label { min-height: 48px; padding: 10px 12px; display: flex; align-items: center; gap: 10px; border: 1px solid var(--ins-line); color: var(--ins-ink); background: #fff; font-size: 13px; cursor: pointer; }
.ins-check-grid input, .ins-consent input { width: 18px; height: 18px; flex: 0 0 auto; accent-color: var(--ins-teal); }
.ins-check-grid label:has(input:checked) { border-color: var(--ocean-cyan); background: var(--ocean-light); }
.ins-check-error { margin: 8px 0 0; color: #ad402a; font-size: 12px; }
.ins-consent { margin-top: 22px; display: grid; grid-template-columns: 20px 1fr; gap: 12px; color: var(--ins-muted); font-size: 12px; }
.ins-consent strong { color: var(--ins-ink); }
.ins-submit-row { margin-top: 24px; display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.ins-submit-button { width: auto; min-width: 240px; margin: 0; }
.ins-submit-button:disabled { opacity: .65; cursor: wait; transform: none; }
.ins-submit-row > p { max-width: 300px; margin: 0; color: var(--ins-muted); font-size: 11px; }
.ins-submit-row > p a { color: var(--ins-teal); }
.ins-form-status { margin-top: 20px; padding: 16px 18px; border-left: 3px solid var(--ocean-cyan); color: var(--ins-deep); background: var(--ocean-light); font-size: 14px; }
.ins-form-status.is-error { border-color: #b7442a; color: #812f1f; background: #fff0eb; }
.ins-form-status a { margin-top: 10px; display: inline-block; color: var(--ins-deep); font-weight: 700; text-underline-offset: 3px; }
.ins-honeypot { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.ins-faq { padding: 61px 22px 68px; display: grid; grid-template-columns: 1fr; gap: 36px; background: var(--ocean-light); }
.ins-faq-heading { align-self: start; }
.ins-faq-heading h2 { max-width: 330px; }
.ins-faq-list details { padding: 20px 0; border-bottom: 1px solid rgba(10,25,47,.18); }
.ins-faq-list details:first-child { border-top: 1px solid rgba(10,25,47,.18); }
.ins-faq-list summary { display: flex; justify-content: space-between; gap: 20px; color: var(--ins-ink); font: 700 16px var(--ins-heading); cursor: pointer; list-style: none; }
.ins-faq-list summary::-webkit-details-marker { display: none; }
.ins-faq-list summary::after { content: '+'; color: var(--ins-teal); font: 500 22px var(--ins-body); }
.ins-faq-list details[open] summary::after { content: '−'; }
.ins-faq-list details p { max-width: 650px; margin: 13px 28px 0 0; color: var(--ins-muted); font-size: 14px; }
.ins-final-cta { padding: 66px 24px; display: flex; flex-direction: column; align-items: center; text-align: center; color: #fff; background: var(--ins-deep); }
.ins-final-cta > p { margin: 0 0 14px; color: var(--ocean-light); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.ins-final-cta h2 { max-width: 620px; margin-bottom: 24px; font-size: clamp(30px, 4.2vw, 46px); }
@keyframes ins-rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

@media (min-width: 600px) {
  .ins-hero { min-height: 610px; align-items: center; }
  .ins-hero-shade { background: linear-gradient(90deg, rgba(5,14,31,.93), rgba(10,25,47,.72) 48%, rgba(10,25,47,.16)), linear-gradient(0deg, rgba(5,14,31,.42), transparent 35%); }
  .ins-hero-content { padding: 82px 8vw 110px; }
  .ins-hero h1 { font-size: clamp(46px, 7vw, 72px); }
  .ins-hero-copy { margin-top: 24px; font-size: 17px; }
  .ins-hero-actions { flex-direction: row; align-items: center; gap: 24px; }
  .ins-image-caption { right: 28px; bottom: 22px; left: 28px; font-size: 10px; }
  .ins-intro, .ins-vessels, .ins-form-section, .ins-faq { padding-right: 7vw; padding-left: 7vw; }
  .ins-intro-copy p { font-size: 17px; }
  .ins-section-heading { margin-bottom: 36px; align-items: end; flex-direction: row; gap: 32px; }
  .ins-section-heading > p { font-size: 15px; }
  .ins-vessel-list article { min-height: 160px; padding: 22px 20px 20px 0; }
  .ins-vessel-list article:nth-child(odd) { padding-left: 0; border-right: 1px solid rgba(10,25,47,.2); }
  .ins-vessel-list article:nth-child(even) { padding-right: 0; padding-left: 20px; }
  .ins-vessel-list article > span { font-size: 12px; }
  .ins-vessel-list h3 { margin-top: 15px; font-size: 17px; }
  .ins-vessel-list p { font-size: 13px; }
  .ins-field-grid, .ins-check-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 20px; }
  .ins-field-wide { grid-column: 1 / -1; }
  .ins-check-grid { gap: 10px 12px; }
}
@media (min-width: 860px) {
  .ins-hero { min-height: min(690px, calc(100svh - 78px)); }
  .ins-hero-content { padding: 90px 8vw 116px; }
  .ins-hero h1 { font-size: clamp(54px, 6vw, 78px); }
  .ins-intro { grid-template-columns: minmax(150px, .65fr) minmax(0, 2fr) 48px; gap: 38px; }
  .ins-intro-label span { margin-bottom: 15px; }
  .ins-round-link { width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid var(--ins-line); border-radius: 50%; color: var(--ins-teal); font-size: 21px; text-decoration: none; }
  .ins-vessel-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ins-vessel-list article { min-height: 164px; padding: 24px 26px 22px 0; }
  .ins-vessel-list article:nth-child(3n + 1), .ins-vessel-list article:nth-child(3n + 2) { padding-left: 0; }
  .ins-vessel-list article:not(:nth-child(3n)) { border-right: 1px solid rgba(10,25,47,.2); }
  .ins-vessel-list article:nth-child(3n + 2), .ins-vessel-list article:nth-child(3n) { padding-left: 26px; }
  .ins-vessel-list h3 { font-size: 18px; }
  .ins-form-section { grid-template-columns: minmax(220px, .78fr) minmax(0, 1.5fr); gap: clamp(48px, 9vw, 140px); }
  .ins-form-aside { position: sticky; top: 40px; max-width: none; }
  .ins-form { max-width: 760px; }
  .ins-faq { grid-template-columns: minmax(220px, .8fr) minmax(0, 1.2fr); gap: clamp(40px, 8vw, 120px); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}