/* Harborlight Digital
   Fonts: Italiana (headings), Tenor Sans (nav, buttons, prices) and Quicksand (body), all SIL Open Font License, self-hosted.
   The HARBORLIGHT wordmark is the Tan Mon Cheri lettering from the Canva logo export (SVG sprite in index.html). */

@font-face { font-family: "Italiana"; font-weight: 400; font-style: normal; font-display: swap; src: url("italiana-400.woff2") format("woff2"); }
@font-face { font-family: "Tenor Sans"; font-weight: 400; font-style: normal; font-display: swap; src: url("tenor-sans-400.woff2") format("woff2"); }
@font-face { font-family: "Quicksand"; font-weight: 400; font-style: normal; font-display: swap; src: url("quicksand-400.woff2") format("woff2"); }
@font-face { font-family: "Quicksand"; font-weight: 500; font-style: normal; font-display: swap; src: url("quicksand-500.woff2") format("woff2"); }
@font-face { font-family: "Quicksand"; font-weight: 600; font-style: normal; font-display: swap; src: url("quicksand-600.woff2") format("woff2"); }

/* ---------- Tokens ---------- */
:root {
  color-scheme: light;
  --bg: #a4c5d8;              /* harbor blue */
  --ink: #133142;             /* harbor navy */
  --ink-soft: #2b4759;
  --mist: #e0fbff;
  --hairline: rgba(19, 49, 66, 0.22);

  --about-bg: linear-gradient(180deg, #a4c5d8 0%, #e0fbff 100%);
  --why-bg: linear-gradient(180deg, #e0fbff 0%, #a4c5d8 100%);
  --why-title: #133142;
  --why-ink: #133142;
  --why-ink-soft: #2b4759;
  --why-rule: rgba(19, 49, 66, 0.28);

  --glass-bg: rgba(224, 251, 255, 0.42);
  --glass-border: #ffffff;
  --glass-shadow-color: rgba(19, 49, 66, 0.72);
  --glass-offset: 10px 12px;

  --featured-bg: #133142;
  --featured-ink: #f3fbff;
  --featured-ink-soft: #c3d8e5;
  --featured-rule: rgba(243, 251, 255, 0.25);

  --btn-bg: #133142;
  --btn-ink: #ffffff;
  --btn-line: #133142;

  --field-line: rgba(19, 49, 66, 0.45);
  --error: #8a1c1c;
  --success: #12503a;

  --footer-bg: #133142;
  --footer-ink: #e9f5fb;
  --footer-ink-soft: #a9c3d3;

  /* Waves (read by waves.js) */
  --wave-rgb: 19, 49, 66;
  --wave-alpha: 0.9;
  --wave-glint-rgb: 255, 255, 255;
  --wave-glint-strength: 1;
  --wave-glint-blend: source-over;
  --contour-alpha: 0.5;
  --toggle-glow: rgba(255, 255, 255, 0.85);

  --font-display: "Italiana", "Didot", "Bodoni 72", serif;
  --font-body: "Quicksand", "Avenir Next", "Segoe UI", sans-serif;
  --font-ui: "Tenor Sans", "Gill Sans", "Avenir Next", sans-serif;
  --radius-glass: 40px;
  --header-h: 88px;
  --gutter: clamp(20px, 5vw, 72px);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #1a3141;
  --ink: #eef7fc;
  --ink-soft: #b9cfdc;
  --hairline: rgba(238, 247, 252, 0.2);

  --about-bg: linear-gradient(180deg, #1a3141 0%, #7d96a7 100%);
  --why-bg: linear-gradient(180deg, #aee2ff 0%, #000000 100%);
  --why-title: #133142;
  --why-ink: #ffffff;
  --why-ink-soft: #d5e4ee;
  --why-rule: rgba(255, 255, 255, 0.35);

  --glass-bg: rgba(8, 22, 32, 0.45);
  --glass-border: rgba(238, 247, 252, 0.85);
  --glass-shadow-color: rgba(164, 197, 216, 0.85);

  --featured-bg: #a4c5d8;
  --featured-ink: #133142;
  --featured-ink-soft: #2b4759;
  --featured-rule: rgba(19, 49, 66, 0.25);

  --btn-bg: #a4c5d8;
  --btn-ink: #133142;
  --btn-line: #eef7fc;

  --field-line: rgba(238, 247, 252, 0.45);
  --error: #ffb4a8;
  --success: #a8f0cf;

  --footer-bg: #0f2230;
  --footer-ink: #e9f5fb;
  --footer-ink-soft: #94adbd;

  --wave-rgb: 214, 233, 245;
  --wave-alpha: 0.78;
  --wave-glint-rgb: 255, 255, 255;
  --wave-glint-strength: 1;
  --wave-glint-blend: lighter;
  --contour-alpha: 0.32;
  --toggle-glow: rgba(174, 226, 255, 0.55);
}

/* No-JS fallback: follow the device setting. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) { color-scheme: dark; --bg: #1a3141; --ink: #eef7fc; }
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color .5s ease, color .5s ease;
}
img, svg, canvas { display: block; }
a { color: inherit; text-underline-offset: .2em; text-decoration-thickness: 1px; }
p { margin: 0; }
h1, h2, h3 { margin: 0; font-weight: 400; }
ul { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; border-radius: 6px; }
::selection { background: var(--ink); color: var(--bg); }

.wrap { width: min(1240px, 100% - 2 * var(--gutter)); margin-inline: auto; }
.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; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 50; padding: 10px 18px; border-radius: 999px; background: var(--btn-bg); color: var(--btn-ink); text-decoration: none; }
.skip-link:focus { top: 12px; }

.display { font-family: var(--font-display); font-size: clamp(44px, 5.4vw, 72px); line-height: 1.05; letter-spacing: 0.01em; }
.lede { color: var(--ink-soft); font-size: 18px; }
section[id] { scroll-margin-top: calc(var(--header-h) - 1px); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 46px; padding: 0 30px; border-radius: 999px;
  font-family: var(--font-ui); font-size: 14.5px; letter-spacing: .12em; text-transform: uppercase;
  text-decoration: none; cursor: pointer; border: 1.5px solid transparent;
  transition: transform .2s ease, background-color .3s ease, color .3s ease, border-color .3s ease;
}
.btn:active { transform: translateY(1px); }
.btn-solid { background: var(--btn-bg); color: var(--btn-ink); }
.btn-solid:hover { background: color-mix(in srgb, var(--btn-bg) 86%, var(--bg)); }
.btn-line { background: transparent; color: var(--ink); border-color: var(--btn-line); }
.btn-line:hover { background: var(--btn-bg); color: var(--btn-ink); border-color: var(--btn-bg); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 30;
  background: var(--bg);
  transition: background-color .5s ease, box-shadow .3s ease;
}
.site-header.is-scrolled { box-shadow: 0 1px 0 var(--hairline); }
.header-inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; color: var(--ink); border-radius: 8px; }
.brand-mark { height: 58px; width: auto; aspect-ratio: 702.5 / 858.2; }

.site-nav { display: flex; align-items: center; gap: clamp(28px, 5vw, 76px); flex: 1; justify-content: flex-end; }
.site-nav ul { display: flex; gap: clamp(28px, 6vw, 104px); margin-right: auto; margin-left: clamp(32px, 8vw, 130px); }
.site-nav ul a {
  font-family: var(--font-ui); font-size: 15px; letter-spacing: .14em; text-transform: uppercase;
  text-decoration: none; padding: 6px 0; background: linear-gradient(currentColor, currentColor) left 100% / 0 1px no-repeat;
  transition: background-size .35s ease;
}
.site-nav ul a:hover, .site-nav ul a[aria-current="true"] { background-size: 100% 1px; }
.nav-cta { min-height: 50px; padding: 0 36px; font-size: 15px; }

.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  min-height: clamp(600px, calc(100svh - var(--header-h)), 900px);
}
.hero-copy { position: relative; z-index: 2; padding-top: clamp(28px, 5vh, 60px); }
.hero-title { display: flex; flex-direction: column; align-items: flex-start; gap: clamp(10px, 1.2vw, 18px); color: var(--ink); }
.hero-word { width: min(78vw, 980px); height: auto; aspect-ratio: 947.2 / 109; }
.hero-digital { width: min(22vw, 260px); min-width: 150px; height: auto; aspect-ratio: 250.8 / 35.1; margin-left: .2%; }
.hero-slogan { margin-top: clamp(22px, 3vw, 40px); font-size: clamp(22px, 2.3vw, 34px); line-height: 1.4; font-weight: 500; letter-spacing: .005em; }
.hero-waves { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: 60%; z-index: 1; }
.hero::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 56px; z-index: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, .035));
}

/* ---------- About ---------- */
.about { position: relative; overflow: hidden; background: var(--about-bg); padding: clamp(96px, 9vw, 130px) 0 clamp(88px, 9vw, 124px); }
.about-inner { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr); gap: clamp(32px, 6vw, 96px); align-items: start; max-width: 1000px; }
.about-title { padding-top: 4px; text-transform: uppercase; letter-spacing: .06em; justify-self: end; }
.about-copy { max-width: 56ch; display: grid; gap: 1em; font-size: 17.5px; }
.about-copy p:first-child { font-size: 20px; line-height: 1.5; }
.about-waves { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; pointer-events: none; }

/* ---------- Glass surfaces (Why card, plans, contact form) ---------- */
.glass {
  position: relative; border-radius: var(--radius-glass);
  border: 3px solid var(--glass-border);
  box-shadow: var(--glass-offset) 0 var(--glass-shadow-color);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  transition: background-color .5s ease, box-shadow .5s ease, border-color .5s ease;
}

/* ---------- Why ---------- */
.why { position: relative; overflow: hidden; padding: clamp(80px, 10vw, 140px) 0; }
.why-contours {
  position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 72%, transparent 100%);
          mask-image: linear-gradient(180deg, #000 0%, #000 72%, transparent 100%);
}
.why .wrap { position: relative; z-index: 1; }
.why-card { max-width: 1080px; margin-inline: auto; background: var(--why-bg); padding: clamp(36px, 4.5vw, 56px) clamp(20px, 3vw, 40px) clamp(40px, 5vw, 60px); }
.why-title { text-align: center; color: var(--why-title); font-size: clamp(40px, 5vw, 66px); }
.inline-word { display: inline-block; height: .7em; width: auto; aspect-ratio: 947.2 / 109; vertical-align: baseline; margin: 0 .04em 0 .06em; }
.why-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: clamp(28px, 3.5vw, 44px); }
.why-item { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 6px clamp(14px, 2vw, 28px); color: var(--why-ink); }
.why-item + .why-item { border-left: 1px solid var(--why-rule); }
.why-icon { width: 92px; height: 92px; border-radius: 50%; border: 1.25px solid currentColor; display: grid; place-items: center; }
.why-icon svg { width: 44px; height: 44px; }
.why-label { margin-top: 20px; font-family: var(--font-body); font-weight: 600; font-size: 13px; line-height: 1.45; letter-spacing: .16em; text-transform: uppercase; }
.why-text { margin-top: 8px; font-size: 15px; line-height: 1.5; color: var(--why-ink-soft); max-width: 22ch; }

/* ---------- Services ---------- */
.services { padding: clamp(40px, 6vw, 80px) 0 clamp(80px, 10vw, 140px); }
.section-head { text-align: center; margin-bottom: clamp(36px, 5vw, 60px); }
.section-head .lede { margin-top: 12px; }

.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 1120px; margin-inline: auto; padding: 14px; gap: 0; }
.plan { display: flex; flex-direction: column; padding: clamp(28px, 3vw, 44px) clamp(22px, 2.6vw, 40px); border-radius: calc(var(--radius-glass) - 12px); }
.plan-featured { background: var(--featured-bg); color: var(--featured-ink); margin: -32px 0; padding-top: calc(clamp(28px, 3vw, 44px) + 32px); padding-bottom: calc(clamp(28px, 3vw, 44px) + 32px); position: relative; z-index: 1; transition: background-color .5s ease, color .5s ease; }
.plan-tag { position: absolute; top: 26px; left: clamp(22px, 2.6vw, 40px); font-size: 13px; font-weight: 600; letter-spacing: .04em; padding: 4px 14px; border-radius: 999px; border: 1px solid currentColor; }
.plan-name { font-family: var(--font-display); font-size: clamp(30px, 2.8vw, 38px); letter-spacing: .02em; line-height: 1.1; }
.plan-price { margin-top: 18px; display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 10px; }
.plan-price .amount { font-family: var(--font-ui); font-size: clamp(38px, 3.4vw, 48px); line-height: 1; letter-spacing: 0; }
.plan-price .from { font-size: 16px; color: var(--ink-soft); }
.plan-price .unit { font-size: 14px; color: var(--ink-soft); }
.plan-time { margin-top: 10px; font-size: 15px; color: var(--ink-soft); }
.plan-featured .plan-price .unit, .plan-featured .plan-time { color: var(--featured-ink-soft); }
.plan-list { margin: 26px 0 32px; padding-top: 22px; border-top: 1px solid var(--hairline); display: grid; gap: 12px; flex: 1; align-content: start; }
.plan-featured .plan-list { border-top-color: var(--featured-rule); }
.plan-list li { position: relative; padding-left: 26px; font-size: 16px; line-height: 1.45; }
.plan-list li::before {
  content: ""; position: absolute; left: 0; top: .62em; width: 14px; height: 6px;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 6'%3E%3Cpath d='M1 4c2-3 4-3 6 0s4 3 6 0' fill='none' stroke='black' stroke-width='1.3' stroke-linecap='round'/%3E%3C/svg%3E") center / contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 6'%3E%3Cpath d='M1 4c2-3 4-3 6 0s4 3 6 0' fill='none' stroke='black' stroke-width='1.3' stroke-linecap='round'/%3E%3C/svg%3E") center / contain no-repeat;
}
.plan-cta { align-self: flex-start; }
.plan-featured .btn-solid { background: var(--featured-ink); color: var(--featured-bg); }
.plan-featured .btn-solid:hover { background: color-mix(in srgb, var(--featured-ink) 85%, var(--featured-bg)); }

.plan-notes { max-width: 760px; margin: clamp(48px, 6vw, 72px) auto 0; display: grid; gap: 8px; text-align: center; color: var(--ink-soft); font-size: 15.5px; }

/* ---------- FAQ ---------- */
.faq { padding: clamp(72px, 9vw, 120px) 0; border-top: 1px solid var(--hairline); }
.faq-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.8fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.faq-head { position: sticky; top: calc(var(--header-h) + 32px); }
.faq-head .lede { margin-top: 16px; }
.faq-list { border-top: 1px solid var(--hairline); }
.faq-list details { border-bottom: 1px solid var(--hairline); }
.faq-list summary {
  list-style: none; cursor: pointer; position: relative;
  padding: 24px 56px 24px 0; font-size: 19px; font-weight: 600; line-height: 1.4;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::before, .faq-list summary::after {
  content: ""; position: absolute; right: 6px; top: 50%; width: 18px; height: 1.5px; background: currentColor;
  transition: transform .35s ease, opacity .35s ease;
}
.faq-list summary::after { transform: rotate(90deg); }
.faq-list details[open] summary::after { transform: rotate(0deg); opacity: 0; }
.faq-answer { padding: 0 56px 26px 0; color: var(--ink-soft); max-width: 62ch; }

/* ---------- Contact ---------- */
.contact { padding: clamp(24px, 4vw, 56px) 0 clamp(96px, 11vw, 150px); }
.contact-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: clamp(36px, 6vw, 96px); align-items: center; }
.contact-intro h2 { font-size: clamp(42px, 4.6vw, 64px); }
.contact-intro p { margin-top: 22px; color: var(--ink-soft); max-width: 40ch; }
.contact-intro .contact-email { margin-top: 28px; color: var(--ink); font-size: 18px; }
.contact-panel { padding: clamp(28px, 3.4vw, 46px); }
.contact-form { display: grid; gap: 22px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.field label { display: block; font-size: 14px; font-weight: 600; letter-spacing: .02em; margin-bottom: 6px; }
.field .optional { font-weight: 500; color: var(--ink-soft); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 16px; color: var(--ink);
  background: transparent; border: 0; border-bottom: 1.5px solid var(--field-line); border-radius: 0;
  padding: 10px 2px; transition: border-color .25s ease;
  -webkit-appearance: none; appearance: none;
}
.field textarea { resize: vertical; min-height: 104px; }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-soft); opacity: .6; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-bottom-color: var(--ink); }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { box-shadow: 0 1.5px 0 0 var(--ink); }
.field [aria-invalid="true"] { border-bottom-color: var(--error); }
.select-wrap { position: relative; }
.select-wrap::after { content: ""; position: absolute; right: 6px; top: 50%; width: 8px; height: 8px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-70%) rotate(45deg); pointer-events: none; }
.field select { padding-right: 28px; cursor: pointer; }
.field select option { color: #133142; background: #ffffff; }
.field-error { margin-top: 6px; font-size: 14px; color: var(--error); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-top: 4px; }
.form-actions .btn { min-width: 200px; }
.form-actions .btn[aria-busy="true"] { opacity: .7; cursor: progress; }
.form-status { font-size: 15px; }
.form-status.is-error { color: var(--error); }
.form-done { text-align: left; padding: 12px 0; }
.form-done h3 { font-family: var(--font-display); font-size: clamp(32px, 3vw, 42px); line-height: 1.1; }
.form-done p { margin-top: 14px; color: var(--ink-soft); }

/* ---------- Footer ---------- */
.site-footer { background: var(--footer-bg); color: var(--footer-ink); padding: clamp(56px, 7vw, 88px) 0 40px; transition: background-color .5s ease; }
.footer-inner { display: grid; grid-template-columns: auto 1fr auto; grid-template-areas: "brand line nav" "brand email copy"; gap: 18px 48px; align-items: center; }
.footer-brand { grid-area: brand; display: flex; align-items: center; gap: 22px; }
.footer-mark { height: 76px; width: auto; aspect-ratio: 702.5 / 858.2; }
.footer-lockup { display: grid; gap: 10px; justify-items: start; }
.footer-word { width: 240px; height: auto; aspect-ratio: 947.2 / 109; }
.footer-digital { width: 72px; height: auto; aspect-ratio: 250.8 / 35.1; }
.footer-line { grid-area: line; color: var(--footer-ink-soft); }
.footer-nav { grid-area: nav; display: flex; gap: 28px; font-family: var(--font-ui); font-size: 14px; letter-spacing: .14em; text-transform: uppercase; }
.footer-nav a { text-decoration: none; }
.footer-nav a:hover { text-decoration: underline; }
.footer-email { grid-area: email; }
.footer-copy { grid-area: copy; color: var(--footer-ink-soft); font-size: 14px; justify-self: end; }

/* ---------- Theme toggle (sticky, bottom-left) ---------- */
/* Dim at rest, lights up on hover, flips like a coin when clicked (the flip side shows the current mode). */
.theme-toggle {
  position: fixed; left: clamp(14px, 2.4vw, 32px); bottom: calc(clamp(14px, 2.4vw, 32px) + env(safe-area-inset-bottom, 0px)); z-index: 40;
  width: 40px; height: 40px; padding: 5px; border-radius: 50%;
  border: 0; cursor: pointer; color: var(--ink); background: var(--bg);
  opacity: .45; perspective: 240px;
  transition: opacity .35s ease, box-shadow .35s ease, background-color .5s ease, color .5s ease;
}
.theme-toggle svg { width: 100%; height: 100%; transform-style: preserve-3d; transition: transform .7s cubic-bezier(.45, .05, .25, 1); }
:root[data-theme="dark"] .theme-toggle svg { transform: rotateY(180deg); }
.theme-toggle:focus-visible { opacity: 1; box-shadow: 0 0 14px 3px var(--toggle-glow); }
@media (hover: hover) {
  .theme-toggle:hover { opacity: 1; box-shadow: 0 0 14px 3px var(--toggle-glow); }
}
.theme-toggle:active { opacity: 1; }

/* ---------- Tablet ---------- */
@media (max-width: 1080px) {
  .site-nav ul { margin-left: 32px; gap: 40px; }
  .why-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 36px; }
  .why-item:nth-child(3) { border-left: 0; }
  .plans { grid-template-columns: 1fr; padding: 10px; max-width: 620px; }
  .plan-featured { margin: 0 -10px; padding-top: calc(clamp(28px, 3vw, 44px) + 34px); padding-bottom: clamp(28px, 3vw, 44px); }
  .footer-inner { grid-template-columns: 1fr; grid-template-areas: "brand" "line" "nav" "email" "copy"; }
  .footer-copy { justify-self: start; }
}

/* ---------- Mobile ---------- */
@media (max-width: 768px) {
  :root { --header-h: 72px; --radius-glass: 30px; }
  body { font-size: 16.5px; }
  .brand-mark { height: 46px; }
  .nav-toggle {
    display: inline-grid; place-items: center; width: 48px; height: 48px; margin-left: auto;
    border: 0; background: transparent; color: var(--ink); cursor: pointer; border-radius: 50%;
  }
  .nav-toggle-lines, .nav-toggle-lines::before, .nav-toggle-lines::after {
    display: block; width: 24px; height: 1.5px; background: currentColor; border-radius: 2px; position: relative;
    transition: transform .35s ease, opacity .25s ease;
  }
  .nav-toggle-lines::before, .nav-toggle-lines::after { content: ""; position: absolute; left: 0; }
  .nav-toggle-lines::before { top: -7px; }
  .nav-toggle-lines::after { top: 7px; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-lines { background: transparent; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-lines::before { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] .nav-toggle-lines::after { transform: translateY(-7px) rotate(-45deg); }

  .site-nav {
    position: absolute; left: 0; right: 0; top: var(--header-h);
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); padding: 8px var(--gutter) 28px;
    box-shadow: 0 1px 0 var(--hairline), 0 18px 30px -18px rgba(0,0,0,.25);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .3s ease, transform .3s ease, visibility 0s linear .3s;
  }
  .site-nav.is-open { opacity: 1; visibility: visible; transform: none; transition: opacity .3s ease, transform .3s ease; }
  .site-nav ul { flex-direction: column; gap: 0; margin: 0; }
  .site-nav ul a { display: block; padding: 16px 0; font-size: 18px; border-bottom: 1px solid var(--hairline); background: none; }
  .nav-cta { margin-top: 22px; }

  .hero { min-height: clamp(480px, 70svh, 600px); }
  .hero-copy { padding-top: 32px; }
  .hero-word { width: 100%; }
  .hero-digital { width: 34%; min-width: 0; }
  .hero-slogan { font-size: 22px; }
  .hero-waves { height: 56%; }
  :root { --glass-offset: 6px 8px; }

  .about-inner { grid-template-columns: 1fr; gap: 20px; }
  .about-title { justify-self: start; }
  .about { padding: 64px 0 132px; }

  .why-card { padding-inline: 14px; }
  .why-grid { grid-template-columns: 1fr 1fr; row-gap: 30px; }
  .why-item { padding-inline: 8px; }
  .why-icon { width: 76px; height: 76px; }
  .why-icon svg { width: 36px; height: 36px; }
  .why-label { font-size: 12px; letter-spacing: .12em; }
  .why-text { font-size: 14px; }

  .faq-inner { grid-template-columns: 1fr; }
  .faq-head { position: static; }
  .faq-list summary { font-size: 17.5px; padding-right: 44px; }
  .faq-answer { padding-right: 0; }

  .contact-inner { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .form-actions .btn { width: 100%; }

  .footer-word { width: 200px; }
  .footer-nav { flex-wrap: wrap; gap: 14px 24px; }
  .theme-toggle { width: 36px; height: 36px; padding: 4px; }
}

@media (max-width: 600px) {
  .why-grid { grid-template-columns: 1fr; row-gap: 0; margin-top: 24px; }
  .why-item {
    display: grid; grid-template-columns: 64px 1fr; column-gap: 18px; align-items: center;
    text-align: left; padding: 18px 6px;
  }
  .why-item + .why-item { border-left: 0; border-top: 1px solid var(--why-rule); }
  .why-item:nth-child(3) { border-left: 0; }
  .why-icon { grid-row: span 2; width: 64px; height: 64px; }
  .why-icon svg { width: 32px; height: 32px; }
  .why-label { margin-top: 0; align-self: end; }
  .why-text { margin-top: 4px; max-width: none; align-self: start; }
}