:root {
  --paper: #f6f8f8;
  --white: #ffffff;
  --ink: #13252d;
  --ink-soft: #53666e;
  --blue: #145f7a;
  --blue-deep: #0b4054;
  --sky: #dff2f5;
  --lime: #d9f36a;
  --coral: #ee765f;
  --line: #d7e0e2;
  --line-dark: rgba(19, 37, 45, 0.16);
  --radius: 18px;
  --radius-lg: 34px;
  --shadow: 0 28px 70px rgba(22, 56, 67, 0.12);
  --container: min(1220px, calc(100% - 56px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(rgba(20, 95, 122, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(20, 95, 122, 0.035) 1px, transparent 1px), var(--paper);
  background-size: 64px 64px;
  font-family: Inter, Manrope, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}

body::before {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: var(--scroll-progress, 0%);
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--coral), var(--lime));
  content: "";
  pointer-events: none;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
.container { width: var(--container); margin: 0 auto; }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgba(19, 37, 45, 0.09);
  background: rgba(246, 248, 248, 0.9);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 850;
  letter-spacing: -0.02em;
}

.brand img { width: 43px; height: 43px; }
.brand-copy { display: grid; line-height: 1.1; }
.brand-copy small { margin-top: 5px; color: var(--ink-soft); font-size: 0.66rem; font-weight: 650; letter-spacing: 0.08em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 25px; }

.nav-links a:not(.button) {
  position: relative;
  color: var(--ink-soft);
  font-size: 0.93rem;
  font-weight: 650;
}

.nav-links a:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 2px;
  background: var(--coral);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}

.nav-links a:not(.button):hover::after { transform: scaleX(1); transform-origin: left; }
.nav-toggle { display: none; }

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 23px;
  border: 1px solid var(--blue-deep);
  border-radius: 999px;
  background: var(--blue-deep);
  color: var(--white);
  font-weight: 780;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button::after { content: "↗"; }
.button:hover { transform: translateY(-3px); box-shadow: 0 13px 30px rgba(11, 64, 84, 0.2); }
.button.secondary { border-color: var(--line-dark); background: transparent; color: var(--ink); }
.button.secondary:hover { background: var(--white); }

.hero { padding: 58px 0 76px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(480px, 1.08fr); align-items: center; gap: clamp(34px, 6vw, 90px); }
.hero-copy { position: relative; z-index: 2; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before { width: 26px; height: 2px; background: var(--coral); content: ""; }
h1, h2, h3 { margin: 0; line-height: 1.05; letter-spacing: -0.045em; }
h1 { max-width: 920px; margin-top: 20px; font-size: clamp(3.2rem, 7vw, 7.2rem); font-weight: 780; }
h2 { font-size: clamp(2.35rem, 5vw, 5rem); font-weight: 750; }
h3 { font-size: 1.5rem; font-weight: 760; }
.hero h1 em, h2 em { color: var(--blue); font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
.lead { max-width: 700px; margin: 27px 0 0; color: var(--ink-soft); font-size: clamp(1.08rem, 2vw, 1.36rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 34px; }

.author-note {
  position: relative;
  max-width: 510px;
  margin-top: 34px;
  padding: 20px 24px 20px 52px;
  border-left: 3px solid var(--coral);
  background: rgba(255, 255, 255, 0.64);
  color: var(--ink-soft);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.02rem;
  font-style: italic;
  transform: rotate(-1deg);
}

.author-note::before { position: absolute; top: 17px; left: 18px; color: var(--coral); content: "✦"; font-family: Arial, sans-serif; font-style: normal; }
.hero-media, .wide-media { position: relative; overflow: hidden; border-radius: var(--radius-lg); background: var(--sky); box-shadow: var(--shadow); }
.hero-media { min-height: 650px; transform: rotate(1.4deg); }

.hero-media::before {
  position: absolute;
  z-index: 2;
  top: 18px;
  left: 18px;
  width: 72px;
  height: 72px;
  border-top: 2px solid var(--lime);
  border-left: 2px solid var(--lime);
  content: "";
  pointer-events: none;
}

.hero-media img, .wide-media img, .gallery-card img { width: 100%; height: 100%; object-fit: cover; }
.hero-media img { position: absolute; inset: 0; transition: transform 0.9s cubic-bezier(.2,.7,.2,1); }
.hero-media:hover img { transform: scale(1.035); }

.personal-strip { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); margin-top: 50px; border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.personal-strip > div { min-height: 118px; padding: 25px 24px; border-right: 1px solid var(--line-dark); }
.personal-strip > div:last-child { border-right: 0; }
.personal-strip strong { display: block; font-size: 1.14rem; }
.personal-strip span { color: var(--ink-soft); font-size: 0.92rem; }
.personal-strip .intro { background: var(--lime); }

section { padding: 104px 0; }
.section-head { display: grid; grid-template-columns: 1fr minmax(280px, 0.48fr); align-items: end; gap: 50px; margin-bottom: 46px; }
.section-head p { margin: 0; color: var(--ink-soft); }
.section-index { display: block; margin-bottom: 17px; color: var(--coral); font-family: Georgia, serif; font-size: 1rem; font-style: italic; }
.grid-3, .grid-4, .gallery { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.gallery { grid-template-columns: repeat(12, 1fr); }
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }

.filter-button {
  padding: 10px 17px;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
}

.filter-button.active, .filter-button:hover { border-color: var(--blue-deep); background: var(--blue-deep); color: var(--white); }
.gallery-card { position: relative; grid-column: span 4; min-height: 370px; overflow: hidden; border-radius: var(--radius); background: var(--sky); transition: transform 0.35s ease, opacity 0.35s ease; }
.gallery-card.large { grid-column: span 8; }
.gallery-card.hidden { display: none; }
.gallery-card::after { position: absolute; inset: 0; border: 1px solid rgba(255, 255, 255, 0.35); border-radius: inherit; content: ""; pointer-events: none; }
.gallery-card img { transition: transform 0.65s cubic-bezier(.2,.7,.2,1); }
.gallery-card:hover { transform: translateY(-7px) rotate(-0.35deg); }
.gallery-card:hover img { transform: scale(1.045); }

.gallery-number {
  position: absolute;
  z-index: 2;
  top: 14px;
  left: 14px;
  display: grid;
  width: 43px;
  height: 43px;
  place-items: center;
  border-radius: 50%;
  background: var(--white);
  color: var(--blue-deep);
  font-family: Georgia, serif;
  font-style: italic;
}

.card { position: relative; overflow: hidden; padding: 31px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255, 255, 255, 0.76); transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease; }
.card::before { position: absolute; top: 0; right: 0; width: 58px; height: 6px; background: var(--lime); content: ""; }
.card p, .prose p, .faq-answer { color: var(--ink-soft); }
.card-link { min-height: 230px; }
.card-link::after { position: absolute; right: 26px; bottom: 20px; color: var(--coral); content: "↗"; font-size: 1.3rem; }
.card-link:hover { z-index: 2; border-color: var(--blue); box-shadow: var(--shadow); transform: translateY(-7px) rotate(0.6deg); }
.steps .card { display: flex; flex-direction: column; color: var(--ink); text-align: left; cursor: pointer; }
.steps .card::after { display: block; order: -1; margin-bottom: 34px; color: var(--blue); content: attr(data-step); font-family: Georgia, serif; font-size: 2.2rem; font-style: italic; }
.steps .card.active { border-color: var(--blue); background: var(--sky); transform: translateY(-5px); }
.step-detail { margin-top: 18px; padding: 26px 30px; border-radius: var(--radius); background: var(--blue-deep); color: var(--white); }
.price-card.featured { border-color: var(--blue); background: var(--sky); transform: translateY(-12px); }
.price { margin: 22px 0; color: var(--blue-deep); font-size: 2.45rem; font-weight: 840; }
.check-list { padding: 0; list-style: none; }
.check-list li { position: relative; margin: 12px 0; padding-left: 28px; color: var(--ink-soft); }
.check-list li::before { position: absolute; top: 0; left: 0; color: var(--blue); content: "✓"; font-weight: 800; }

.comparison { position: relative; overflow: hidden; min-height: 580px; border-radius: var(--radius-lg); background: var(--sky); box-shadow: var(--shadow); }
.comparison img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.comparison .comparison-after { clip-path: inset(0 calc(100% - var(--compare, 52%)) 0 0); }
.comparison-line { position: absolute; z-index: 3; top: 0; bottom: 0; left: var(--compare, 52%); width: 2px; background: var(--white); transform: translateX(-1px); pointer-events: none; }

.comparison-line::after {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 55px;
  height: 55px;
  place-items: center;
  border-radius: 50%;
  background: var(--white);
  color: var(--blue-deep);
  content: "↔";
  font-size: 1.25rem;
  transform: translate(-50%, -50%);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.comparison input { position: absolute; z-index: 4; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; }
.comparison-label { position: absolute; z-index: 3; top: 20px; padding: 9px 14px; border-radius: 999px; background: rgba(255, 255, 255, 0.92); color: var(--ink); font-size: 0.82rem; font-weight: 750; }
.comparison-label.left { left: 20px; }
.comparison-label.right { right: 20px; }

.calculator { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 35px; padding: 48px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; }
label { display: grid; gap: 8px; color: var(--ink-soft); font-size: 0.9rem; font-weight: 650; }
input, select, textarea { width: 100%; min-height: 54px; padding: 0 16px; border: 1px solid var(--line-dark); border-radius: 12px; outline: 0; background: var(--paper); color: var(--ink); }
textarea { min-height: 124px; padding-top: 14px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(20, 95, 122, 0.1); }
input[type="range"] { min-height: 28px; padding: 0; accent-color: var(--blue); }
.result { display: flex; min-height: 100%; flex-direction: column; justify-content: center; padding: 37px; border-radius: 26px; background: var(--blue-deep); color: var(--white); }
.result strong { display: block; margin: 8px 0; color: var(--lime); font-size: clamp(2.2rem, 5vw, 4.2rem); line-height: 1; }
.result p { color: rgba(255, 255, 255, 0.75); }
.result .button.secondary { border-color: rgba(255, 255, 255, 0.4); color: var(--white); }

.faq-item { border-top: 1px solid var(--line-dark); }
.faq-question { display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 30px; padding: 27px 0; border: 0; background: none; color: var(--ink); font-size: 1.18rem; font-weight: 760; text-align: left; cursor: pointer; }
.faq-question span { display: grid; flex: 0 0 auto; width: 34px; height: 34px; place-items: center; border: 1px solid var(--line-dark); border-radius: 50%; transition: background 0.2s ease, transform 0.25s ease; }
.faq-item.open .faq-question span { background: var(--lime); transform: rotate(45deg); }
.faq-answer { display: grid; grid-template-rows: 0fr; max-width: 800px; overflow: hidden; transition: grid-template-rows 0.35s ease, padding 0.35s ease; }
.faq-answer > span { min-height: 0; }
.faq-item.open .faq-answer { grid-template-rows: 1fr; padding-bottom: 28px; }

.prose { max-width: 920px; }
.prose > div { position: relative; }
.prose > div:nth-child(even) { margin-left: 10%; }
.prose h2 { margin: 72px 0 23px; font-size: clamp(2rem, 4vw, 3.5rem); }
.prose p { font-size: 1.06rem; }
.wide-media { aspect-ratio: 16 / 7; margin: 58px auto; }
.wide-media img { transition: transform 0.7s ease; }
.wide-media:hover img { transform: scale(1.025); }

.cta { position: relative; overflow: hidden; padding: 58px; border-radius: var(--radius-lg); background: var(--lime); }
.cta::after { position: absolute; top: -110px; right: -70px; width: 310px; height: 310px; border: 54px solid rgba(20, 95, 122, 0.1); border-radius: 50%; content: ""; }
.cta p { position: relative; z-index: 1; max-width: 680px; font-size: 1.13rem; }

.site-footer { padding: 72px 0 36px; border-top: 1px solid var(--line-dark); background: var(--white); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; }
.footer-links { display: grid; align-content: start; gap: 11px; color: var(--ink-soft); }
.footer-links strong { margin-bottom: 7px; color: var(--ink); }
.footer-links a:hover { color: var(--blue); }
.notice { margin-top: 45px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 0.87rem; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.75s ease, transform 0.75s ease; }
.reveal.visible { opacity: 1; transform: none; }
main, .site-footer { position: relative; z-index: 1; }
.cursor-light { position: fixed; z-index: 0; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(217, 243, 106, 0.18), transparent 68%); transform: translate(-50%, -50%); pointer-events: none; }

@media (max-width: 1040px) {
  .hero-grid, .calculator { grid-template-columns: 1fr; }
  .hero-copy { max-width: 830px; }
  .hero-media { min-height: 580px; transform: none; }
  .personal-strip { grid-template-columns: repeat(2, 1fr); }
  .personal-strip > div:nth-child(2) { border-right: 0; }
  .personal-strip > div:nth-child(-n+2) { border-bottom: 1px solid var(--line-dark); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .gallery-card, .gallery-card.large { grid-column: span 6; }
  .nav-toggle { display: inline-flex; width: 48px; height: 48px; align-items: center; justify-content: center; border: 1px solid var(--line-dark); border-radius: 50%; background: var(--white); color: var(--ink); font-size: 1.25rem; }
  .nav-links { position: absolute; top: 81px; right: 24px; left: 24px; display: none; padding: 23px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow); }
  .nav-links.open { display: grid; }
}

@media (max-width: 720px) {
  :root { --container: min(100% - 28px, 1220px); }
  body { background-size: 44px 44px; }
  .brand-copy small { display: none; }
  .hero { padding-top: 35px; }
  h1 { font-size: clamp(2.75rem, 14vw, 4.8rem); }
  section { padding: 72px 0; }
  .hero-media { min-height: 430px; border-radius: 24px; }
  .personal-strip, .grid-3, .grid-4, .form-grid, .footer-grid, .section-head { grid-template-columns: 1fr; }
  .personal-strip > div { border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .gallery-card, .gallery-card.large { grid-column: 1 / -1; min-height: 315px; }
  .prose > div:nth-child(even) { margin-left: 0; }
  .price-card.featured { transform: none; }
  .comparison { min-height: 390px; }
  .cta, .calculator { padding: 28px; }
  .cursor-light { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}