/* =========================================================
   OESL — style.css
   Brand: sky blue + sun yellow + navy + cloud
   ========================================================= */

/* ---------- Fonts (self-hosted) ---------- */
@font-face { font-family: "Sora"; src: url("fonts/sora-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Sora"; src: url("fonts/sora-latin-700-normal.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "DM Sans"; src: url("fonts/dm-sans-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "DM Sans"; src: url("fonts/dm-sans-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "DM Sans"; src: url("fonts/dm-sans-latin-700-normal.woff2") format("woff2"); font-weight: 700; font-display: swap; }

/* ---------- Tokens ---------- */
:root {
  --blue-50: #EEF2FE;
  --blue-100: #DCE4FC;
  --blue-400: #5F81EE;
  --blue: #2F5BEA;
  --blue-600: #2549C4;

  --sun: #F6E36A;
  --sun-500: #E0BA22;
  --sun-100: #FDF7D2;

  --cloud: #F4F6FB;
  --n-100: #E9EDF5;
  --n-200: #D8DEEA;
  --n-400: #8C97AF;
  --n-500: #5E6A85;
  --n-600: #3F4B66;
  --n-700: #27324D;
  --navy: #0A1633;
  --white: #FFFFFF;
  --green: #1DA55C;

  --font-head: "Sora", "Segoe UI", system-ui, sans-serif;
  --font-body: "DM Sans", "Segoe UI", system-ui, sans-serif;

  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 28px;

  --container: 1200px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --section-y: clamp(4.5rem, 9vw, 7.5rem);

  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 98px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--navy);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--blue); text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--font-head); font-weight: 700; line-height: 1.1; letter-spacing: -0.025em; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2.4rem, 4.6vw, 4rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(2rem, 3.8vw, 3.1rem); }
h3 { font-size: clamp(1.25rem, 1.8vw, 1.5rem); letter-spacing: -0.015em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 6px; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-y); }
.section-head { max-width: 640px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head p { margin-top: 1rem; color: var(--n-600); font-size: 1.125rem; }

.skip-link { position: absolute; left: 1rem; top: -100px; background: var(--navy); color: var(--white); padding: .75rem 1rem; border-radius: var(--r-sm); z-index: 100; }
.skip-link:focus { top: 1rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem; min-height: 52px; padding: .8rem 1.5rem;
  font-family: var(--font-body); font-weight: 700; font-size: 1rem;
  border-radius: var(--r-sm); border: 2px solid transparent;
  text-decoration: none; cursor: pointer;
  transition: transform .2s var(--ease), background-color .2s, border-color .2s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-600); }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--n-200); }
.btn-ghost:hover { border-color: var(--navy); }
.btn-sun { background: var(--sun); color: var(--navy); }
.btn-sun:hover { background: #F8EA8A; }
.btn-sm { min-height: 44px; padding: .55rem 1.1rem; font-size: .95rem; }
.btn-block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; }

/* ---------- 00 Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--n-100);
  transition: background-color .35s, border-color .35s;
}
.site-header.on-hero { background: transparent; border-bottom-color: transparent; -webkit-backdrop-filter: none; backdrop-filter: none; }
.site-header .logo-light { display: none; }
.site-header.on-hero .logo-light { display: block; }
.site-header.on-hero .logo-dark { display: none; }
.site-header.on-hero .site-nav ul a { color: var(--white); }
.site-header.on-hero .site-nav ul a:hover { color: var(--sun); }
.site-header.on-hero .btn-primary { background: var(--sun); color: var(--navy); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 86px; gap: 1.5rem; }
.brand img { width: 178px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 2rem; }
.site-nav ul { display: flex; gap: 1.75rem; }
.site-nav ul a { color: var(--navy); text-decoration: none; font-weight: 500; font-size: .98rem; }
.site-nav ul a:hover { color: var(--blue); }
.nav-toggle { display: none; }

/* ---------- 01 Hero (cinematic, scroll-driven) ---------- */
/* --p = scroll progress 0 to 1, set by js/main.js */
.hero { --p: 0; position: relative; height: 210vh; background: var(--cloud); }
.hero-stage { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }

.hero-media {
  position: absolute; inset: 0; overflow: hidden; background: #0B2A1C;
  clip-path: inset(calc(var(--p) * (var(--frame, 28px) + 86px)) calc(var(--p) * var(--frame, 28px)) calc(var(--p) * var(--frame, 28px)) round calc(var(--p) * 36px));
}
.hero-video {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(calc(1.14 - var(--p) * .12));
  transform-origin: 60% 50%;
}
.hero-shade {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(10,22,51,.82) 0%, rgba(10,22,51,.55) 38%, rgba(10,22,51,.08) 72%, rgba(10,22,51,0) 100%),
    linear-gradient(0deg, rgba(10,22,51,.55) 0%, rgba(10,22,51,0) 38%),
    linear-gradient(180deg, rgba(10,22,51,.45) 0%, rgba(10,22,51,0) 22%);
  opacity: calc(1 - var(--p) * .25);
}

/* Sunrise: glow climbs and brightens as you scroll */
.hero-sun {
  position: absolute; right: 6%; top: calc(62% - var(--p) * 58%);
  width: min(70vmin, 720px); aspect-ratio: 1; translate: 30% -50%;
  border-radius: 50%; pointer-events: none; mix-blend-mode: screen;
  background: radial-gradient(circle, rgba(255,246,196,.95) 0%, rgba(246,217,27,.55) 14%, rgba(246,190,40,.22) 34%, rgba(246,190,40,0) 62%);
  opacity: calc(.35 + var(--p) * .65);
}
.hero-sun::after {
  content: ""; position: absolute; inset: -20%; border-radius: 50%;
  background: repeating-conic-gradient(from 0deg, rgba(255,240,170,.22) 0deg 2deg, rgba(255,240,170,0) 2deg 14deg);
  -webkit-mask: radial-gradient(circle, #000 0%, transparent 62%);
          mask: radial-gradient(circle, #000 0%, transparent 62%);
  animation: rays 80s linear infinite;
}
@keyframes rays { to { rotate: 360deg; } }


/* Content: two story beats in the same spot */
.hero-content {
  position: relative; height: 100%;
  display: grid; align-items: center;
  padding-top: 86px;
}
.hero-beat { grid-area: 1 / 1; max-width: 640px; color: var(--white); }
.beat-1 {
  opacity: clamp(0, calc((.5 - var(--p)) * 4.5), 1);
  transform: translateY(calc(var(--p) * -70px));
}
.beat-2 {
  opacity: clamp(0, calc((var(--p) - .55) * 4.5), 1);
  transform: translateY(calc((1 - var(--p)) * 50px));
  visibility: hidden;
}
.hero.show-2 .beat-1 { visibility: hidden; }
.hero.show-2 .beat-2 { visibility: visible; }

.hero h1 { color: var(--white); font-size: clamp(2.5rem, 5vw, 4.3rem); text-shadow: 0 2px 30px rgba(10,22,51,.25); }
.beat-title { font-family: var(--font-head); font-weight: 700; font-size: clamp(2.5rem, 5.4vw, 4.6rem); line-height: 1.05; letter-spacing: -.035em; text-wrap: balance; }
.hero .lead { margin-top: 1.4rem; font-size: clamp(1.1rem, 1.5vw, 1.25rem); color: rgba(255,255,255,.86); max-width: 33rem; }
.hero .btn-row { margin-top: 2rem; }


.btn-glass {
  background: rgba(255,255,255,.12); color: var(--white);
  border-color: rgba(255,255,255,.4);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.btn-glass:hover { background: rgba(255,255,255,.2); border-color: var(--white); }

.hero-points { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; margin-top: 2rem; color: rgba(255,255,255,.85); font-weight: 500; font-size: .98rem; }
.hero-points li { display: flex; align-items: center; gap: .5rem; }
.hero-points li::before { content: ""; flex: none; width: 12px; height: 12px; border-radius: 50% 50% 50% 2px; background: #7FD69F; }
.ticks li::before { content: ""; flex: none; width: 12px; height: 12px; border-radius: 3px; background: var(--blue); transform: translateY(1px); }

.hero-chip {
  position: absolute; right: max(var(--gutter), calc((100vw - var(--container)) / 2 + var(--gutter))); bottom: 2.25rem;
  max-width: 250px; padding: .9rem 1.1rem; margin: 0;
  color: rgba(255,255,255,.85); font-size: .92rem; line-height: 1.4;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25); border-radius: var(--r-md);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  opacity: clamp(0, calc((.45 - var(--p)) * 4), 1);
}
.hero-chip strong { display: block; font-family: var(--font-head); font-size: 1.35rem; color: var(--white); letter-spacing: -.02em; }

.scroll-cue {
  position: absolute; left: 50%; bottom: 1rem; translate: -50% 0; margin: 0;
  display: flex; flex-direction: column; align-items: center; gap: .6rem;
  color: rgba(255,255,255,.8); font-size: .85rem; font-weight: 500;
  opacity: clamp(0, calc(1 - var(--p) * 10), 1);
}
.scroll-cue span { width: 2px; height: 34px; border-radius: 2px; background: linear-gradient(rgba(255,255,255,0), rgba(255,255,255,.9)); animation: cue 1.8s ease-in-out infinite; }
@keyframes cue { 0% { transform: scaleY(.2); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 100% { transform: scaleY(.2); transform-origin: bottom; } }

/* ---------- 02 Trust ---------- */
.trust { background: var(--white); border-bottom: 1px solid var(--n-100); }
.trust-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1.25rem 3rem; padding-block: 2rem; }
.trust-label { color: var(--n-500); font-weight: 500; }
.trust-list { display: flex; flex-wrap: wrap; gap: 1rem 3rem; }
.trust-list li { font-family: var(--font-head); font-weight: 700; font-size: 1.35rem; color: var(--n-400); letter-spacing: -.02em; }

/* ---------- 03 Problem ---------- */
.problem { background: var(--navy); color: var(--cloud); padding-block: clamp(5rem, 10vw, 8rem); position: relative; overflow: hidden; }
.problem-inner { position: relative; }
.problem h2 { font-size: clamp(2.3rem, 5.2vw, 4.4rem); max-width: 15ch; letter-spacing: -.035em; }
.problem p { margin-top: 2rem; max-width: 36rem; font-size: 1.2rem; color: var(--n-200); }
.problem-sun {
  position: absolute; right: var(--gutter); top: 50%;
  width: clamp(140px, 22vw, 300px); aspect-ratio: 1; border-radius: 50%;
  background: var(--sun); transform: translateY(-50%);
}

/* ---------- 04 Services ---------- */
.service { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(2rem, 6vw, 5rem); }
.service + .service { margin-top: clamp(4rem, 8vw, 6.5rem); }
.service-flip .service-media { order: 2; }
.service-media { border-radius: var(--r-lg); overflow: hidden; background: var(--blue-50); aspect-ratio: 4 / 3; }
.service-media img { width: 100%; height: 100%; object-fit: cover; }
.service-body { max-width: 30rem; }
.service-body > p { margin-top: 1rem; color: var(--n-600); font-size: 1.1rem; }
.ticks { margin: 1.5rem 0 2rem; display: grid; gap: .7rem; }
.ticks li { display: flex; align-items: baseline; gap: .75rem; }
.ticks li::before { transform: translateY(1px); }

/* ---------- 05 Savings ---------- */
.savings { background: var(--blue-50); }
.savings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: stretch; }
.savings-controls > p { margin-top: 1rem; color: var(--n-600); font-size: 1.1rem; }
.field-range { margin-top: 2.5rem; display: grid; grid-template-columns: 1fr auto; align-items: end; gap: .75rem; }
.field-range label { font-weight: 500; color: var(--n-600); }
.field-range output { font-family: var(--font-head); font-weight: 700; font-size: 2rem; letter-spacing: -.03em; }
.field-range input { grid-column: 1 / -1; }

input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 8px; border-radius: 99px; background: var(--blue-100); cursor: pointer; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 28px; height: 28px; border-radius: 50%; background: var(--sun); border: 4px solid var(--blue); }
input[type="range"]::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: var(--sun); border: 4px solid var(--blue); }

.toggle { margin: 2rem 0 0; padding: 0; border: 0; display: flex; flex-wrap: wrap; gap: .5rem; }
.toggle legend { font-weight: 500; color: var(--n-600); margin-bottom: .75rem; padding: 0; }
.toggle label {
  display: inline-flex; align-items: center; gap: .5rem; cursor: pointer;
  padding: .7rem 1.1rem; border-radius: var(--r-sm); background: var(--white);
  border: 2px solid var(--blue-100); font-weight: 500;
}
.toggle label:has(input:checked) { border-color: var(--blue); }
.toggle input { accent-color: var(--blue); }

.savings-result {
  position: relative; overflow: hidden;
  background: var(--navy); color: var(--cloud);
  border-radius: var(--r-lg); padding: clamp(2rem, 4vw, 3rem);
  display: flex; flex-direction: column; justify-content: flex-end; min-height: 440px;
}
.result-sun {
  position: absolute; top: -12%; right: -12%;
  width: 55%; aspect-ratio: 1; border-radius: 50%; background: var(--sun);
  transform: scale(var(--sun-scale, .8)); transform-origin: top right;
  transition: transform .5s var(--ease);
}
.result-label { position: relative; color: var(--n-200); font-weight: 500; }
.result-big { position: relative; font-family: var(--font-head); font-weight: 700; font-size: clamp(3.2rem, 7vw, 5rem); letter-spacing: -.04em; line-height: 1; margin-top: .5rem; }
.result-stats { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 2rem 0 0; padding-top: 1.5rem; border-top: 1px solid var(--n-700); }
.result-stats dt { font-size: .9rem; color: var(--n-400); }
.result-stats dd { margin: .25rem 0 0; font-family: var(--font-head); font-weight: 600; font-size: 1.5rem; }
.result-note { position: relative; margin-top: 1.5rem; font-size: .88rem; color: var(--n-400); }
.savings-result .btn { position: relative; margin-top: 1.5rem; align-self: flex-start; }

/* ---------- 06 Why ---------- */
.why-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: center; }
.why-media { border-radius: var(--r-lg); overflow: hidden; aspect-ratio: 4 / 5; background: var(--blue-50); }
.why-media img { width: 100%; height: 100%; object-fit: cover; }
.reasons { margin-top: 2.5rem; }
.reasons li { padding: 1.5rem 0; border-top: 1px solid var(--n-100); display: grid; grid-template-columns: 14rem 1fr; gap: 1.5rem; }
.reasons li:last-child { border-bottom: 1px solid var(--n-100); }
.reasons h3 { font-size: 1.15rem; }
.reasons p { color: var(--n-600); }

/* ---------- 07 Process ---------- */
.process { background: var(--cloud); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; counter-reset: step; position: relative; }
.steps::before { content: ""; position: absolute; top: 28px; left: 28px; right: calc(25% - 1.5rem - 28px); height: 2px; background: var(--n-200); }
.steps li { position: relative; }
.step-num {
  position: relative; display: grid; place-items: center;
  width: 56px; height: 56px; border-radius: 14px;
  background: var(--blue); color: var(--white);
  font-family: var(--font-head); font-weight: 700; font-size: 1.4rem;
  box-shadow: 0 0 0 8px var(--cloud);
}
.steps li:last-child .step-num { background: var(--sun); color: var(--navy); border-radius: 50%; }
.steps h3 { margin-top: 1.5rem; font-size: 1.2rem; }
.steps p { margin-top: .6rem; color: var(--n-600); }

/* ---------- 08 Grants ---------- */
.grant-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 2px solid var(--navy); }
.grant { padding: 2rem 2rem 0 0; }
.grant + .grant { padding-left: 2rem; border-left: 1px solid var(--n-100); }
.grant-fig { font-family: var(--font-head); font-weight: 700; font-size: clamp(2.4rem, 4vw, 3.4rem); letter-spacing: -.04em; line-height: 1; color: var(--blue); }
.grant h3 { margin-top: 1.25rem; font-size: 1.15rem; }
.grant p:last-child { margin-top: .5rem; color: var(--n-600); }

/* ---------- 09 Reviews ---------- */
.reviews { background: var(--sun-100); }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.review { margin: 0; background: var(--white); border-radius: var(--r-md); padding: 2rem; display: flex; flex-direction: column; justify-content: space-between; gap: 1.5rem; }
.review blockquote { margin: 0; }
.review blockquote::before { content: "\201C"; display: block; font-family: var(--font-head); font-weight: 700; font-size: 3.5rem; line-height: .8; color: var(--sun-500); }
.review blockquote p { margin-top: .5rem; font-size: 1.08rem; }
.review figcaption { font-weight: 700; color: var(--navy); font-size: .98rem; }
.review figcaption span { display: block; margin-top: .15rem; font-weight: 400; font-size: .9rem; color: var(--n-500); }

/* ---------- 10 FAQ ---------- */
.faq-inner { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.faq-list details { border-top: 1px solid var(--n-200); }
.faq-list details:last-child { border-bottom: 1px solid var(--n-200); }
.faq-list summary {
  list-style: none; cursor: pointer; padding: 1.4rem 3rem 1.4rem 0; position: relative;
  font-family: var(--font-head); font-weight: 600; font-size: 1.12rem; letter-spacing: -.01em;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: ""; position: absolute; right: .25rem; top: 50%; width: 22px; height: 22px; margin-top: -11px;
  background:
    linear-gradient(var(--blue), var(--blue)) center / 14px 2px no-repeat,
    linear-gradient(var(--blue), var(--blue)) center / 2px 14px no-repeat;
  transition: transform .25s var(--ease);
}
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { padding: 0 3rem 1.5rem 0; color: var(--n-600); }

/* ---------- 11 Contact ---------- */
.contact { background: var(--navy); color: var(--cloud); }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }
.contact-copy > p { margin-top: 1rem; font-size: 1.15rem; color: var(--n-200); }
.contact-list { margin-top: 2.5rem; font-style: normal; display: grid; gap: .9rem; }
.contact-list a { color: var(--cloud); font-family: var(--font-head); font-weight: 600; font-size: 1.35rem; text-decoration: none; }
.contact-list a:hover { color: var(--sun); }
.contact-list span { color: var(--n-400); }

.quote-form { background: var(--white); color: var(--navy); border-radius: var(--r-lg); padding: clamp(1.5rem, 4vw, 2.5rem); display: grid; gap: 1.1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field { display: grid; gap: .4rem; min-width: 0; }
.field label, .checks legend { font-weight: 500; font-size: .95rem; }
.optional { color: var(--n-500); font-weight: 400; }
.field input[type="text"], .field input[type="email"], .field input[type="tel"], .field textarea {
  width: 100%; font: inherit; color: var(--navy);
  padding: .8rem .95rem; border-radius: var(--r-sm);
  border: 1.5px solid var(--n-200); background: var(--cloud);
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--blue); background: var(--white); box-shadow: 0 0 0 3px var(--blue-100); }
.field textarea { resize: vertical; }
.field.has-error input { border-color: #C0392B; }
.field-error { color: #B42318; font-size: .88rem; min-height: 0; }
.field-error:empty { display: none; }
.checks { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; }
.checks legend { margin-bottom: .5rem; padding: 0; }
.checks label, .consent label { display: inline-flex; gap: .55rem; align-items: flex-start; font-weight: 400; cursor: pointer; }
.checks input, .consent input { accent-color: var(--blue); width: 18px; height: 18px; margin-top: 3px; flex: none; }
.consent label { font-size: .92rem; color: var(--n-600); }
.form-success { padding: 1rem; border-radius: var(--r-sm); background: var(--blue-50); color: var(--blue-600); font-weight: 500; }

/* ---------- 12 Footer ---------- */
.site-footer { background: var(--navy); color: var(--n-200); padding-top: 4rem; border-top: 1px solid var(--n-700); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 2rem; padding-bottom: 3rem; }
.footer-brand img { width: 196px; }
.footer-brand p { margin-top: 1rem; max-width: 18rem; color: var(--n-400); }
.site-footer h2 { font-family: var(--font-body); font-size: .95rem; font-weight: 700; letter-spacing: 0; color: var(--cloud); margin-bottom: 1rem; }
.site-footer ul { display: grid; gap: .6rem; }
.site-footer a { color: var(--n-200); text-decoration: none; }
.site-footer a:hover { color: var(--sun); }
.footer-base { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; padding-block: 1.5rem; border-top: 1px solid var(--n-700); font-size: .9rem; color: var(--n-400); }
.footer-base a { color: var(--n-400); text-decoration: underline; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .reasons li { grid-template-columns: 1fr; gap: .4rem; }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 3rem; }
  .steps::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 880px) {
  .nav-toggle {
    display: grid; gap: 5px; place-content: center;
    width: 48px; height: 48px; border-radius: var(--r-sm);
    border: 1px solid var(--n-200); background: var(--white); cursor: pointer;
  }
  .nav-toggle span { display: block; width: 20px; height: 2px; background: var(--navy); transition: transform .25s var(--ease), opacity .2s; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 1rem;
    padding: 1rem var(--gutter) 1.5rem; background: var(--white);
    border-bottom: 1px solid var(--n-100);
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .site-nav ul { flex-direction: column; gap: 0; }
  .site-nav ul a { display: block; padding: .85rem 0; border-bottom: 1px solid var(--n-100); font-size: 1.05rem; }

  .hero-grid, .service, .savings-grid, .why-grid, .faq-inner, .contact-grid { grid-template-columns: 1fr; }
  .service-flip .service-media { order: 0; }
  .hero { height: 180vh; }
  .hero-content { align-items: end; padding-bottom: 6.5rem; }
  .hero-chip { display: none; }
  .hero-shade { background: linear-gradient(0deg, rgba(10,22,51,.88) 0%, rgba(10,22,51,.55) 45%, rgba(10,22,51,.15) 75%, rgba(10,22,51,.35) 100%); }
  .site-header.on-hero .nav-toggle { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.4); }
  .site-header.on-hero .nav-toggle span { background: var(--white); }
  .site-header.menu-open { background: var(--white) !important; }
  .site-header.menu-open .logo-dark { display: block !important; }
  .site-header.menu-open .logo-light { display: none !important; }
  .site-header.menu-open .nav-toggle span { background: var(--navy) !important; }
  .site-header.on-hero .site-nav ul a { color: var(--navy); }
  .site-header.on-hero .btn-primary { background: var(--blue); color: var(--white); }
  .problem-sun { position: static; width: 96px; transform: none; margin-bottom: 2rem; }
  .grant-grid { grid-template-columns: 1fr; }
  .grant, .grant + .grant { padding: 1.75rem 0; border-left: 0; }
  .grant + .grant { border-top: 1px solid var(--n-100); }
  .review-grid { grid-template-columns: 1fr; }
  .why-media { aspect-ratio: 4 / 3; }
}

@media (max-width: 560px) {
  .brand img { width: 152px; }
  .form-row { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .result-stats { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .btn-row .btn { flex: 1 1 100%; }
  .hero { --frame: 12px; }
  .hero-points { display: none; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .hero { height: 100svh; }
  .scroll-cue { display: none; }
}

@media (max-height: 900px) and (min-width: 881px) { .scroll-cue { display: none; } }