/* =============================================================
   Alba Solar — styles.css
   1. Tokens · 2. Reset · 3. Utilities · 4. Typography
   5. Components · 6. Sections · 7. Effects · 8. Responsive
   9. Reduced motion
   ============================================================= */

/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg:         #04121a;
  --bg-2:       #061b25;
  --surface:    #0a2631;
  --surface-2:  #0e3140;
  --ink:        #e9f3ee;
  --ink-soft:   #b9ccc6;
  --mute:       #7d9897;
  --line:       rgba(233, 243, 238, 0.10);
  --line-2:     rgba(233, 243, 238, 0.18);

  --green:      #5ee6a0;
  --green-deep: #14906a;
  --teal:       #22b3a1;
  --blue:       #1f6493;
  --blue-deep:  #0b3352;
  --sun:        #d6f77e;

  --accent:     var(--green);
  --on-accent:  #03231a;

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft:   cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

  --gutter: clamp(16px, 4vw, 48px);
  --radius: 22px;
  --nav-h: 72px;

  color-scheme: dark;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
  scroll-behavior: smooth;
  background: var(--bg);
}
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.02; letter-spacing: -0.025em; font-weight: 400; }
::selection { background: var(--green); color: var(--on-accent); }
:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; border-radius: 6px; }

/* =============================================================
   3. Utilities
   ============================================================= */
section[id] { scroll-margin-top: 70px; }
.container { width: 100%; max-width: 1320px; margin-inline: auto; padding-inline: var(--gutter); }
.mono { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--mute); }
.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: .6rem 1rem; background: var(--ink); color: var(--bg);
  border-radius: 10px; font-weight: 600;
}
.skip-link:focus { top: 1rem; }

/* =============================================================
   4. Typography
   ============================================================= */
.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--mono); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--green);
}
.section-title {
  font-family: var(--serif);
  font-variation-settings: "opsz" 144;
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  font-weight: 350;
  max-width: 16ch;
  margin-top: 1.1rem;
}
.section-title em, .hero-title em, .contact-title em, .footer-claim em {
  font-style: italic;
  font-weight: 300;
  background: linear-gradient(100deg, var(--green) 0%, var(--sun) 55%, var(--teal) 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  padding-right: .06em;
}
.section-lead { color: var(--ink-soft); font-size: clamp(1rem, 1.3vw, 1.15rem); max-width: 46ch; margin-top: 1.2rem; }

/* =============================================================
   5. Components
   ============================================================= */
/* --- Buttons --- */
.btn {
  position: relative; isolation: isolate; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: .65rem;
  padding: 1rem 1.6rem; border-radius: 999px;
  font-weight: 600; font-size: .98rem; letter-spacing: -.005em;
  transition: transform .5s var(--ease-out), translate .4s var(--ease-out), background-color .3s, color .3s, border-color .3s, box-shadow .5s var(--ease-out);
}
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .5s var(--ease-out); }
.btn:hover svg { transform: translateX(4px); }
.btn-accent { background: var(--green); color: var(--on-accent); box-shadow: 0 10px 40px -10px rgba(94, 230, 160, .55); }
.btn-accent::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.55) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform .9s var(--ease-out);
}
.btn-accent:hover::before { transform: translateX(120%); }
.btn-accent:hover { box-shadow: 0 18px 60px -12px rgba(94, 230, 160, .75); }
.btn-ghost { border: 1px solid var(--line-2); color: var(--ink); }
.btn-ghost:hover { border-color: var(--green); color: var(--green); }
.btn-small { padding: .7rem 1.15rem; font-size: .88rem; }
.btn-block { width: 100%; }

/* --- Glass --- */
.glass {
  background: rgba(10, 38, 49, 0.92);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
}
@supports ((backdrop-filter: blur(10px)) or (-webkit-backdrop-filter: blur(10px))) {
  .glass {
    background: linear-gradient(160deg, rgba(20, 70, 80, .42), rgba(6, 27, 37, .55));
    -webkit-backdrop-filter: blur(18px) saturate(150%);
    backdrop-filter: blur(18px) saturate(150%);
  }
}

/* --- Image placeholders --- */
.ph {
  position: relative; overflow: hidden;
  display: grid; place-items: center;
  background:
    repeating-linear-gradient(135deg, rgba(233,243,238,.04) 0 1px, transparent 1px 14px),
    radial-gradient(120% 90% at 30% 10%, rgba(34,179,161,.22), transparent 60%),
    linear-gradient(165deg, var(--surface-2), var(--blue-deep));
  border: 1px dashed rgba(233,243,238,.22);
  border-radius: 18px;
  color: var(--ink-soft);
}
.ph-label {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase;
  text-align: center; line-height: 1.7; padding: 1rem;
  background: rgba(4,18,26,.55); border-radius: 10px;
}
.ph-label small { text-transform: none; letter-spacing: 0; opacity: .75; font-size: .7rem; }
.ph--wide { aspect-ratio: 16 / 9; }
.ph--t { aspect-ratio: 4 / 5; }
.ph--avatar { width: 52px; height: 52px; border-radius: 50%; flex: none; border-style: solid; }

/* --- Nav --- */
.nav {
  position: fixed; z-index: 100; top: 14px; left: 50%;
  width: min(1320px - 2 * 24px, calc(100% - 2 * 14px));
  height: var(--nav-h);
  transform: translateX(-50%);
  display: flex; align-items: center; gap: 1.5rem;
  padding: 0 .75rem 0 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform .6s var(--ease-out), background-color .4s, border-color .4s, backdrop-filter .4s;
}
.nav.is-scrolled {
  background: rgba(4, 18, 26, .72);
  border-color: var(--line);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
}
.nav.is-hidden { transform: translate(-50%, -130%); }
.brand { display: inline-flex; align-items: center; gap: .55rem; font-weight: 700; font-size: 1.12rem; letter-spacing: -.02em; }
.brand em { font-style: normal; font-weight: 400; color: var(--green); margin-left: .15rem; }
.brand-mark { width: 28px; height: 28px; color: var(--green); transition: transform 1.2s var(--ease-out); }
.brand:hover .brand-mark { transform: rotate(90deg); }
.nav-links { display: none; margin-left: auto; gap: .3rem; }
.nav-links a {
  position: relative; padding: .55rem .9rem; border-radius: 999px;
  font-size: .92rem; color: var(--ink-soft); transition: color .3s, background-color .3s;
}
.nav-links a:hover { color: var(--ink); background: rgba(233,243,238,.06); }
.nav-cta { display: none; }
.nav-burger { margin-left: auto; width: 46px; height: 46px; border-radius: 50%; display: grid; place-content: center; gap: 6px; border: 1px solid var(--line-2); }
.nav-burger span { display: block; width: 18px; height: 1.5px; background: var(--ink); transition: transform .5s var(--ease-out); }
.nav.is-open .nav-burger span:first-child { transform: translateY(3.75px) rotate(45deg); }
.nav.is-open .nav-burger span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

/* --- Progress --- */
.progress { position: fixed; inset: 0 0 auto 0; height: 2px; z-index: 200; pointer-events: none; }
.progress span { display: block; height: 100%; width: 100%; transform-origin: 0 50%; transform: scaleX(0); background: linear-gradient(90deg, var(--blue), var(--teal), var(--green), var(--sun)); }

/* =============================================================
   6. Sections
   ============================================================= */

/* ---------- HERO ---------- */
.hero {
  position: relative; isolation: isolate;
  min-height: 100vh; min-height: 100svh;
  padding: calc(var(--nav-h) + 72px) 0 clamp(120px, 18vh, 200px);
  overflow: clip;
  background:
    radial-gradient(90% 60% at 100% 0%, rgba(31,100,147,.35), transparent 60%),
    linear-gradient(180deg, #03101a 0%, var(--bg) 70%);
}
.hero-light {
  position: absolute; inset: -10%; z-index: -2; pointer-events: none;
  --mx: 72%; --my: 32%;
  background:
    radial-gradient(520px circle at var(--mx) var(--my), rgba(214, 247, 126, .28), transparent 60%),
    radial-gradient(900px circle at calc(var(--mx) - 12%) calc(var(--my) + 18%), rgba(94, 230, 160, .22), transparent 62%),
    radial-gradient(1100px circle at calc(var(--mx) + 14%) calc(var(--my) - 6%), rgba(31, 100, 147, .45), transparent 65%);
  filter: blur(20px) saturate(140%);
}
.hero-grid-lines {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: radial-gradient(70% 60% at 50% 35%, #000 0%, transparent 75%);
  mask-image: radial-gradient(70% 60% at 50% 35%, #000 0%, transparent 75%);
  opacity: .55;
}
.hero-inner { position: relative; z-index: 2; display: grid; gap: 4rem; align-items: center; }
.pulse-dot { position: relative; width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.pulse-dot::after { content: ""; position: absolute; inset: -6px; border-radius: 50%; border: 1px solid var(--green); animation: pulse 2.4s var(--ease-out) infinite; }
.hero-title {
  font-family: var(--serif);
  font-variation-settings: "opsz" 144;
  font-weight: 330;
  font-size: clamp(2.7rem, 6.6vw, 6.4rem);
  line-height: .98;
  letter-spacing: -.035em;
  max-width: 13ch;
  margin-top: 1.6rem;
}
.hero-title .w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .08em; margin-bottom: -.08em; }
.hero-title .wi { display: inline-block; will-change: transform; }
.hero-title em .wi {
  padding-right: .04em;
  background: linear-gradient(100deg, var(--green) 0%, var(--sun) 120%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-title em:has(.wi) { background: none; }
.hero-sub { margin-top: 1.8rem; max-width: 44ch; color: var(--ink-soft); font-size: clamp(1.02rem, 1.25vw, 1.18rem); }
.hero-sub strong { color: var(--ink); font-weight: 600; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.2rem; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 1.4rem 2.6rem; margin-top: 3rem; padding-top: 1.6rem; border-top: 1px solid var(--line); }
.hero-proof li { display: grid; gap: .1rem; }
.hero-proof strong { font-family: var(--serif); font-weight: 400; font-size: 1.75rem; letter-spacing: -.02em; }
.hero-proof small { font-size: .9rem; color: var(--mute); }
.hero-proof span { font-size: .84rem; color: var(--mute); }

/* Hero visual composition */
.hero-visual { position: relative; width: min(100%, 470px); margin-inline: auto; aspect-ratio: 4 / 5; }
.hero-frame {
  position: absolute; inset: 0;
  border-radius: 999px 999px 26px 26px;
  overflow: hidden;
  box-shadow: 0 60px 120px -40px rgba(0,0,0,.8), 0 0 0 1px rgba(233,243,238,.12);
}
.hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 40%; filter: saturate(1.05) contrast(1.04); transform: scale(1.04); }
.hero-frame::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit;
  background: linear-gradient(180deg, rgba(4,18,26,0) 45%, rgba(4,18,26,.55) 100%), linear-gradient(0deg, rgba(31,100,147,.18), rgba(31,100,147,.18));
  mix-blend-mode: multiply;
}
.b-img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 18px; box-shadow: 0 30px 60px -30px rgba(0,0,0,.7); }
.t-img { width: 100%; max-width: 380px; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 18px; transition: transform 1.2s var(--ease-out), clip-path 1.2s var(--ease-out); }
.js .t-card:not(.is-active) .t-img { transform: scale(1.06); clip-path: inset(0 0 100% 0 round 18px); }
.js .t-card.is-active .t-img { clip-path: inset(0 0 0 0 round 18px); }
.t-avatar {
  width: 52px; height: 52px; flex: none; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--serif); font-size: 1.05rem; color: var(--on-accent);
  background: radial-gradient(circle at 30% 30%, var(--sun), var(--green) 55%, var(--teal));
}
.hero-frame-shine {
  position: absolute; inset: 0; pointer-events: none; border-radius: inherit;
  background: linear-gradient(200deg, rgba(214,247,126,.28) 0%, transparent 35%, transparent 70%, rgba(4,18,26,.6) 100%);
}
.sun-ring { position: absolute; inset: -18%; z-index: -1; pointer-events: none; }
.sun-ring svg { width: 100%; height: 100%; animation: spin 80s linear infinite; }
.sun-ring circle { fill: none; }
.ring-a { stroke: rgba(94,230,160,.35); stroke-width: 1; stroke-dasharray: 2 10; }
.ring-b { stroke: rgba(214,247,126,.18); stroke-width: 1; }
.float-card { position: absolute; z-index: 3; padding: 1rem 1.15rem; border-radius: 18px; box-shadow: 0 30px 60px -20px rgba(0,0,0,.6); }
.fc-prod { left: -9%; top: 16%; width: 210px; animation: bob 7s var(--ease-soft) infinite alternate; }
.fc-bill { right: -7%; bottom: 10%; width: 228px; animation: bob 8s var(--ease-soft) -3s infinite alternate; }
.fc-head { display: flex; align-items: center; gap: .5rem; }
.fc-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px var(--green); }
.fc-value { font-family: var(--serif); font-size: 2.1rem; line-height: 1.1; margin-top: .35rem; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.fc-value small { font-family: var(--sans); font-size: .9rem; color: var(--mute); }
.fc-bars { display: flex; align-items: flex-end; gap: 4px; height: 44px; margin-top: .6rem; }
.fc-bars i { flex: 1; height: var(--h); border-radius: 3px; background: linear-gradient(180deg, var(--sun), var(--green-deep)); transform-origin: bottom; animation: grow 1.4s var(--ease-out) both; }
.fc-bars i:nth-child(2) { animation-delay: .05s } .fc-bars i:nth-child(3) { animation-delay: .1s } .fc-bars i:nth-child(4) { animation-delay: .15s }
.fc-bars i:nth-child(5) { animation-delay: .2s } .fc-bars i:nth-child(6) { animation-delay: .25s } .fc-bars i:nth-child(7) { animation-delay: .3s }
.fc-bars i:nth-child(8) { animation-delay: .35s } .fc-bars i:nth-child(9) { animation-delay: .4s } .fc-bars i:nth-child(10) { animation-delay: .45s }
.fc-bill-row { display: flex; align-items: center; gap: .6rem; margin-top: .4rem; }
.fc-bill-row svg { width: 18px; height: 18px; fill: none; stroke: var(--mute); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.fc-old { font-family: var(--serif); font-size: 1.4rem; color: var(--mute); text-decoration: line-through; text-decoration-color: rgba(255,120,120,.7); }
.fc-new { font-family: var(--serif); font-size: 2.1rem; color: var(--green); letter-spacing: -.02em; }
.fc-tag { display: inline-block; margin-top: .45rem; font-size: .74rem; color: var(--ink-soft); }

/* Perspective solar field */
.solar-field {
  position: absolute; left: 0; right: 0; bottom: 0; height: 46%; z-index: 0;
  perspective: 900px; perspective-origin: 50% 0%;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 45%);
  mask-image: linear-gradient(180deg, transparent 0%, #000 45%);
}
.solar-plane {
  position: absolute; left: -40%; right: -40%; top: 0; height: 260%;
  transform: rotateX(72deg); transform-origin: 50% 0%;
  background:
    linear-gradient(90deg, rgba(94,230,160,.22) 2px, transparent 2px) 0 0 / 120px 100%,
    linear-gradient(rgba(94,230,160,.22) 2px, transparent 2px) 0 0 / 100% 180px,
    linear-gradient(90deg, rgba(120,190,230,.08) 1px, transparent 1px) 0 0 / 30px 100%,
    linear-gradient(rgba(120,190,230,.08) 1px, transparent 1px) 0 0 / 100% 30px,
    linear-gradient(180deg, #0b3352 0%, #061b25 100%);
  overflow: hidden;
}
.solar-sweep {
  position: absolute; inset: -20% auto -20% 0; width: 30%;
  background: linear-gradient(90deg, transparent, rgba(214,247,126,.28), transparent);
  transform: translateX(-120%) skewX(-20deg);
  animation: sweep 7s var(--ease-soft) 1.2s infinite;
}
.scroll-cue { position: absolute; z-index: 3; left: 50%; bottom: 28px; transform: translateX(-50%); width: 26px; height: 42px; border-radius: 20px; border: 1px solid var(--line-2); display: grid; justify-items: center; padding-top: 8px; }
.scroll-cue span { width: 3px; height: 8px; border-radius: 3px; background: var(--green); animation: cue 2s var(--ease-out) infinite; }

/* ---------- MARQUEE ---------- */
.marquee { position: relative; overflow: hidden; border-block: 1px solid var(--line); padding: 1.3rem 0; background: var(--bg-2); }
.marquee-track { display: flex; width: max-content; animation: marquee 48s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee ul { display: flex; align-items: center; gap: 2.2rem; padding-right: 2.2rem; }
.marquee li { font-family: var(--serif); font-style: italic; font-weight: 300; font-size: clamp(1.15rem, 2vw, 1.6rem); white-space: nowrap; color: var(--ink-soft); }
.marquee li[aria-hidden], .marquee ul[aria-hidden] li:nth-child(even) { color: var(--green); font-style: normal; font-size: 1rem; }

/* ---------- MANIFESTO ---------- */
.manifesto { padding-block: clamp(100px, 16vw, 200px); }
.manifesto-text {
  font-family: var(--serif); font-variation-settings: "opsz" 144;
  font-weight: 330; font-size: clamp(1.7rem, 3.6vw, 3.35rem); line-height: 1.16; letter-spacing: -.02em;
  max-width: 26ch; margin-top: 1.6rem;
}
.manifesto { display: grid; gap: 2rem; }
.manifesto-side { display: flex; align-items: flex-start; justify-content: space-between; gap: 2rem; }
.stamp { position: relative; width: 132px; height: 132px; flex: none; }
.stamp svg { width: 100%; height: 100%; animation: spin 24s linear infinite; overflow: visible; }
.stamp text { font-family: var(--mono); font-size: 15.5px; letter-spacing: .14em; text-transform: uppercase; fill: var(--ink-soft); }
.stamp-core { position: absolute; inset: 38%; border-radius: 50%; background: radial-gradient(circle at 35% 35%, var(--sun), var(--green) 45%, var(--green-deep)); box-shadow: 0 0 40px rgba(94,230,160,.55); }
.manifesto-text { margin-top: 0; }
.manifesto-text .mw { transition: color .2s; }

/* ---------- BENEFITS ---------- */
.benefits { padding-bottom: clamp(90px, 12vw, 160px); }
.section-head { margin-bottom: clamp(40px, 6vw, 72px); }
.benefit-list { border-bottom: 1px solid var(--line); }
.benefit { position: relative; border-top: 1px solid var(--line); }
.benefit summary {
  position: relative; isolation: isolate;
  list-style: none; cursor: pointer;
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: .4rem 1.2rem;
  padding: 1.6rem .2rem;
}
.benefit summary::-webkit-details-marker { display: none; }
.benefit summary::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, rgba(94,230,160,.10), rgba(31,100,147,.06) 60%, transparent);
  transform: scaleX(0); transform-origin: 0 50%;
  transition: transform .8s var(--ease-out);
}
.benefit summary:hover::before, .benefit[open] summary::before { transform: scaleX(1); }
.b-num { color: var(--green); align-self: start; padding-top: .55rem; }
.b-title { font-family: var(--serif); font-weight: 350; font-size: clamp(1.4rem, 2.8vw, 2.4rem); letter-spacing: -.02em; line-height: 1.1; transition: transform .6s var(--ease-out); }
.benefit summary:hover .b-title { transform: translateX(8px); }
.b-stat { grid-column: 2; font-size: .9rem; color: var(--mute); }
.b-stat strong { color: var(--ink); font-weight: 600; }
.b-icon { grid-column: 3; grid-row: 1; position: relative; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line-2); transition: background-color .4s, border-color .4s, transform .6s var(--ease-out); }
.b-icon::before, .b-icon::after { content: ""; position: absolute; left: 50%; top: 50%; width: 14px; height: 1.5px; background: var(--ink); transform: translate(-50%, -50%); transition: transform .5s var(--ease-out), background-color .3s; }
.b-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.benefit[open] .b-icon { background: var(--green); border-color: var(--green); transform: rotate(180deg); }
.benefit[open] .b-icon::before, .benefit[open] .b-icon::after { background: var(--on-accent); }
.benefit[open] .b-icon::after { transform: translate(-50%, -50%) rotate(0deg); }
.b-body { overflow: hidden; }
.b-body-inner { display: grid; gap: 1.6rem; padding: .4rem .2rem 2.2rem; }
.b-body-inner p { color: var(--ink-soft); max-width: 52ch; font-size: 1.05rem; }

/* ---------- STATS ---------- */
.stats { border-block: 1px solid var(--line); background: linear-gradient(180deg, var(--bg-2), var(--bg)); }
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); }
.stat { padding: clamp(28px, 4vw, 52px) clamp(10px, 2vw, 28px); border-left: 1px solid var(--line); }
.stat:nth-child(odd) { border-left: 0; }
.stat:nth-child(n+3) { border-top: 1px solid var(--line); }
.stat-num { font-family: var(--serif); font-variation-settings: "opsz" 144; font-weight: 300; font-size: clamp(2.6rem, 6vw, 5rem); line-height: 1; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.stat-num small { font-family: var(--sans); font-size: .9rem; letter-spacing: 0; color: var(--mute); margin-left: .4rem; }
.stat-label { margin-top: .8rem; color: var(--mute); font-size: .92rem; max-width: 22ch; }

/* ---------- CALCULATOR ---------- */
.calc { position: relative; padding-block: clamp(100px, 14vw, 180px); }
.calc::before {
  content: ""; position: absolute; inset: 10% -10% 0; z-index: -1; pointer-events: none;
  background: radial-gradient(40% 40% at 75% 50%, rgba(31,100,147,.35), transparent 70%), radial-gradient(30% 30% at 20% 70%, rgba(20,144,106,.22), transparent 70%);
  filter: blur(40px);
}
.calc-grid { display: grid; gap: 3rem; align-items: start; }
.calc-control { margin-top: 2.4rem; padding: 1.6rem; }
.calc-bill { display: block; font-family: var(--serif); font-weight: 350; font-size: clamp(3rem, 6vw, 4.6rem); letter-spacing: -.04em; line-height: 1.05; margin: .4rem 0 1.2rem; font-variant-numeric: tabular-nums; }
.calc-scale { display: flex; justify-content: space-between; margin-top: .6rem; }
input[type="range"] {
  --fill: 30%;
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 34px; background: transparent; cursor: pointer;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 6px; border-radius: 6px;
  background: linear-gradient(90deg, var(--teal), var(--green) var(--fill), rgba(233,243,238,.12) var(--fill));
}
input[type="range"]::-moz-range-track { height: 6px; border-radius: 6px; background: rgba(233,243,238,.12); }
input[type="range"]::-moz-range-progress { height: 6px; border-radius: 6px; background: linear-gradient(90deg, var(--teal), var(--green)); }
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 28px; height: 28px; margin-top: -11px; border-radius: 50%;
  background: var(--ink); border: 6px solid var(--green);
  box-shadow: 0 0 0 8px rgba(94,230,160,.15), 0 8px 20px rgba(0,0,0,.4);
  transition: transform .3s var(--ease-bounce);
}
input[type="range"]::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: var(--ink); border: 6px solid var(--green); box-shadow: 0 0 0 8px rgba(94,230,160,.15); }
input[type="range"]:active::-webkit-slider-thumb { transform: scale(1.15); }

.calc-results { padding: clamp(1.4rem, 3vw, 2.4rem); display: grid; gap: 1.6rem; }
.calc-big { font-family: var(--serif); font-variation-settings: "opsz" 144; font-weight: 300; font-size: clamp(3.4rem, 8vw, 6.4rem); line-height: 1; letter-spacing: -.045em; color: var(--green); margin-top: .4rem; font-variant-numeric: tabular-nums; }
.calc-split { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; padding-block: 1.3rem; border-block: 1px solid var(--line); }
.calc-mid { font-family: var(--serif); font-size: clamp(1.5rem, 2.6vw, 2.1rem); letter-spacing: -.02em; margin-top: .3rem; font-variant-numeric: tabular-nums; }
.calc-chart { position: relative; display: flex; align-items: flex-end; gap: 1.2rem; height: 230px; padding-bottom: 2.6rem; }
.cc-col { flex: 1; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; gap: .6rem; }
.cc-bar { height: calc(var(--v) * 100%); border-radius: 12px 12px 4px 4px; transition: height .8s var(--ease-out); position: relative; }
.cc-bar--old { background: repeating-linear-gradient(135deg, rgba(233,243,238,.10) 0 2px, transparent 2px 9px), linear-gradient(180deg, #2a4552, #13303d); }
.cc-bar--new { background: linear-gradient(180deg, var(--sun), var(--green) 40%, var(--green-deep)); box-shadow: 0 0 40px -6px rgba(94,230,160,.5); }
.cc-caption { position: absolute; left: 0; bottom: 0; }
.calc-note { font-size: .85rem; color: var(--mute); }

/* ---------- TESTIMONIALS ---------- */
.testimonials { padding-block: clamp(90px, 12vw, 160px); background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 50%, var(--bg) 100%); }
.section-head--row { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 2rem; }
.t-controls { display: none; align-items: center; gap: 1rem; }
.js .t-controls { display: flex; }
.t-arrow { width: 56px; height: 56px; border-radius: 50%; border: 1px solid var(--line-2); display: grid; place-items: center; transition: background-color .3s, border-color .3s, transform .5s var(--ease-out); }
.t-arrow svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.t-arrow:hover { background: var(--green); border-color: var(--green); color: var(--on-accent); transform: scale(1.06); }
.t-count { color: var(--ink-soft); min-width: 5.5ch; text-align: center; }

.t-stage { display: grid; gap: 2rem; }
.js .t-stage { gap: 0; }
.t-card { display: grid; gap: 1.6rem; align-items: center; }
.js .t-card { grid-area: 1 / 1; opacity: 0; visibility: hidden; transition: opacity .7s var(--ease-out), visibility 0s .7s; }
.js .t-card.is-active { opacity: 1; visibility: visible; transition: opacity .7s var(--ease-out) .15s, visibility 0s; }
.t-card .ph--t { width: 100%; max-width: 380px; transition: transform 1.2s var(--ease-out), clip-path 1.2s var(--ease-out); }
.js .t-card:not(.is-active) .ph--t { transform: scale(1.06); clip-path: inset(0 0 100% 0 round 18px); }
.js .t-card.is-active .ph--t { clip-path: inset(0 0 0 0 round 18px); }
.t-quote { width: 46px; fill: var(--green); opacity: .9; }
.t-body blockquote p { font-family: var(--serif); font-variation-settings: "opsz" 144; font-weight: 320; font-size: clamp(1.45rem, 2.7vw, 2.35rem); line-height: 1.22; letter-spacing: -.015em; margin-top: 1.2rem; max-width: 30ch; }
.js .t-card .t-body blockquote, .js .t-card .t-meta { transform: translateY(18px); transition: transform 1s var(--ease-out); }
.js .t-card.is-active .t-body blockquote, .js .t-card.is-active .t-meta { transform: none; }
.t-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.2rem; margin-top: 2rem; padding-top: 1.4rem; border-top: 1px solid var(--line); }
.t-name { font-weight: 600; }
.t-place { margin-top: .15rem; text-transform: none; letter-spacing: .02em; }
.t-saving { margin-left: auto; display: grid; text-align: right; padding: .55rem 1rem; border-radius: 14px; background: rgba(94,230,160,.10); border: 1px solid rgba(94,230,160,.25); }
.t-saving strong { color: var(--green); font-family: var(--serif); font-size: 1.3rem; font-weight: 400; line-height: 1.1; }
.t-saving span { font-size: .75rem; color: var(--mute); }
.t-dots { display: none; gap: 8px; margin-top: 2.4rem; }
.js .t-dots { display: flex; }
.t-dots button { position: relative; flex: 1; max-width: 120px; height: 3px; border-radius: 3px; background: var(--line-2); overflow: hidden; }
.t-dots button::after { content: ""; position: absolute; inset: 0; background: var(--green); transform: scaleX(0); transform-origin: 0 50%; }
.t-dots button.is-done::after { transform: scaleX(1); }
.t-dots button.is-active::after { animation: dotfill var(--t-dur, 7s) linear forwards; }
.t-stage.is-paused ~ .t-dots button.is-active::after { animation-play-state: paused; }

/* ---------- CONTACT ---------- */
.contact { position: relative; isolation: isolate; padding-block: clamp(100px, 14vw, 180px); overflow: clip; }
.contact-glow {
  position: absolute; z-index: -1; left: 50%; top: 55%; width: 120vmax; height: 120vmax;
  transform: translate(-50%, -50%); pointer-events: none;
  background: conic-gradient(from 200deg, rgba(31,100,147,.0), rgba(31,100,147,.35), rgba(94,230,160,.25), rgba(214,247,126,.12), rgba(31,100,147,.0) 70%);
  -webkit-mask-image: radial-gradient(closest-side, #000 20%, transparent 70%);
  mask-image: radial-gradient(closest-side, #000 20%, transparent 70%);
  filter: blur(30px);
  animation: spin 60s linear infinite;
}
.contact-grid { display: grid; gap: 3.2rem; align-items: start; }
.contact-title { font-family: var(--serif); font-variation-settings: "opsz" 144; font-weight: 320; font-size: clamp(3rem, 8vw, 7.2rem); line-height: .95; letter-spacing: -.045em; margin-top: 1.1rem; max-width: 9ch; }
.contact-mail {
  position: relative; display: inline-block; margin-top: 2.4rem;
  font-family: var(--serif); font-size: clamp(1.5rem, 3vw, 2.3rem); letter-spacing: -.02em;
  background: linear-gradient(var(--green), var(--green)) 0 100% / 0% 2px no-repeat, linear-gradient(var(--line-2), var(--line-2)) 0 100% / 100% 1px no-repeat;
  padding-bottom: .2rem;
  transition: background-size .8s var(--ease-out), color .3s;
}
.contact-mail:hover { background-size: 100% 2px, 100% 1px; color: var(--green); }
.contact-list { margin-top: 2.6rem; display: grid; gap: 1rem; }
.contact-list li { display: grid; grid-template-columns: 7.5rem 1fr; gap: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
.contact-list a:hover { color: var(--green); }

.contact-form { padding: clamp(1.4rem, 3vw, 2.4rem); display: grid; gap: 1.1rem; }
.form-steps { display: flex; justify-content: space-between; color: var(--green); padding-bottom: .6rem; border-bottom: 1px solid var(--line); margin-bottom: .4rem; }
.field { position: relative; }
.field-row { display: grid; gap: 1.1rem; }
.field input, .field textarea {
  width: 100%; font: inherit; color: var(--ink);
  background: rgba(4,18,26,.45); border: 1px solid var(--line-2); border-radius: 14px;
  padding: 1.45rem 1rem .55rem; outline: none; resize: vertical;
  transition: border-color .3s, background-color .3s, box-shadow .3s;
}
.field label {
  position: absolute; left: 1rem; top: 1rem; color: var(--mute); pointer-events: none;
  transform-origin: 0 0; transition: transform .35s var(--ease-out), color .3s;
}
.field input:focus, .field textarea:focus { border-color: var(--green); background: rgba(4,18,26,.7); box-shadow: 0 0 0 4px rgba(94,230,160,.12); }
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field textarea:focus + label, .field textarea:not(:placeholder-shown) + label { transform: translateY(-.62rem) scale(.78); color: var(--green); }
.field.is-invalid input { border-color: #ff8c8c; }
.chips { border: 0; display: flex; flex-wrap: wrap; gap: .5rem; }
.chips legend { margin-bottom: .6rem; }
.chips label { position: relative; }
.chips input { position: absolute; opacity: 0; pointer-events: none; }
.chips span { display: inline-block; padding: .55rem 1rem; border-radius: 999px; border: 1px solid var(--line-2); font-size: .9rem; cursor: pointer; transition: all .3s var(--ease-out); }
.chips span:hover { border-color: var(--green); }
.chips input:checked + span { background: var(--green); border-color: var(--green); color: var(--on-accent); font-weight: 600; }
.chips input:focus-visible + span { outline: 2px solid var(--green); outline-offset: 3px; }
.check { display: flex; gap: .7rem; align-items: flex-start; font-size: .88rem; color: var(--ink-soft); cursor: pointer; }
.check input { margin-top: .25rem; width: 18px; height: 18px; accent-color: var(--green); flex: none; }
.check a { text-decoration: underline; text-underline-offset: 3px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-status { min-height: 1.4em; font-size: .92rem; color: var(--ink-soft); }
.form-status.is-ok { color: var(--green); }
.form-status.is-error { color: #ff9c9c; }
.contact-form.is-sending button[type="submit"] { opacity: .7; pointer-events: none; }

/* ---------- FOOTER ---------- */
.footer { position: relative; border-top: 1px solid var(--line); padding-top: clamp(60px, 8vw, 100px); overflow: clip; background: var(--bg-2); }
.footer-top { display: grid; gap: 2rem; }
.footer-claim { font-family: var(--serif); font-weight: 320; font-size: clamp(1.6rem, 3vw, 2.4rem); letter-spacing: -.02em; max-width: 20ch; line-height: 1.15; }
.footer-links { display: flex; flex-wrap: wrap; gap: .4rem 1.6rem; color: var(--ink-soft); }
.footer-links a:hover { color: var(--green); }
.footer-word {
  font-family: var(--serif); font-variation-settings: "opsz" 144; font-weight: 300;
  font-size: clamp(4rem, 17vw, 17rem); line-height: .85; letter-spacing: -.06em;
  text-align: center; white-space: nowrap; margin-top: clamp(40px, 6vw, 80px);
  background: linear-gradient(180deg, rgba(94,230,160,.55) 0%, rgba(31,100,147,.25) 55%, transparent 95%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  user-select: none;
}
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .8rem; padding-block: 1.6rem; border-top: 1px solid var(--line); font-size: .82rem; color: var(--mute); }
.footer-bottom a:hover { color: var(--ink); }

/* Grain */
.grain {
  position: fixed; inset: 0; z-index: 300; pointer-events: none; opacity: .07; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* =============================================================
   7. Effects
   ============================================================= */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease-out), transform 1.1s var(--ease-out); }
.js .reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-split] { opacity: 1; transform: none; }

@keyframes pulse { 0% { transform: scale(.6); opacity: 1; } 100% { transform: scale(1.8); opacity: 0; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes bob { from { transform: translateY(0); } to { transform: translateY(-14px); } }
@keyframes grow { from { transform: scaleY(0); } to { transform: scaleY(1); } }
@keyframes sweep { 0% { transform: translateX(-120%) skewX(-20deg); } 60%, 100% { transform: translateX(460%) skewX(-20deg); } }
@keyframes cue { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(14px); opacity: 0; } 100% { opacity: 0; } }
@keyframes marquee { to { transform: translateX(-50%); } }
@keyframes dotfill { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* =============================================================
   8. Responsive
   ============================================================= */
@media (max-width: 959px) {
  .nav-links {
    position: fixed; inset: calc(var(--nav-h) + 22px) 0 auto 0;
    display: grid; gap: .2rem; padding: 1rem;
    background: rgba(4,18,26,.96); border: 1px solid var(--line); border-radius: 24px;
    opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: opacity .4s var(--ease-out), transform .5s var(--ease-out), visibility 0s .4s;
  }
  .nav.is-open { background: rgba(4,18,26,.92); border-color: var(--line); }
  .nav.is-open .nav-links { opacity: 1; visibility: visible; transform: none; transition: opacity .4s var(--ease-out), transform .5s var(--ease-out); }
  .nav-links a { font-family: var(--serif); font-size: 1.6rem; padding: .7rem 1rem; color: var(--ink); }
  .fc-prod { left: -2%; top: 8%; width: 180px; }
  .fc-bill { right: -2%; bottom: 6%; width: 200px; }
}
@media (max-width: 539px) {
  .float-card { padding: .8rem .9rem; }
  .fc-prod { left: -3%; width: 156px; }
  .fc-bill { right: -3%; width: 176px; }
  .fc-value, .fc-new { font-size: 1.7rem; }
  .fc-bars { height: 32px; }
  .hero-actions .btn { width: 100%; }
  .scroll-cue { display: none; }
  .t-meta .t-saving { margin-left: 0; text-align: left; }
  .contact-list li { grid-template-columns: 1fr; gap: .2rem; }
}
@media (min-width: 540px) {
  .field-row { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 720px) {
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .stat:nth-child(n) { border-left: 1px solid var(--line); border-top: 0; }
  .stat:first-child { border-left: 0; }
  .t-card { grid-template-columns: minmax(240px, 380px) 1fr; gap: clamp(2rem, 5vw, 5rem); }
  .benefit summary { grid-template-columns: 4rem 1fr auto auto; gap: 1.6rem; padding: 2rem .4rem; }
  .b-stat { grid-column: 3; grid-row: 1; text-align: right; }
  .b-icon { grid-column: 4; }
  .b-body-inner { grid-template-columns: 1fr 1fr; padding-left: calc(4rem + 1.6rem + .4rem); align-items: start; gap: 3rem; }
  .footer-top { grid-template-columns: 1fr auto; align-items: end; }
}
@media (min-width: 960px) {
  .nav-burger { display: none; }
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .hero-inner { grid-template-columns: 1.15fr .85fr; gap: 3rem; }
  .hero-visual { margin-right: 4%; }
  .calc-grid { grid-template-columns: 1fr 1fr; gap: clamp(3rem, 6vw, 6rem); }
  .manifesto { grid-template-columns: minmax(200px, 1fr) 3fr; gap: 4rem; }
  .manifesto-side { flex-direction: column; gap: 3rem; }
  .manifesto-text { max-width: 30ch; }
  .calc-head { position: sticky; top: calc(var(--nav-h) + 50px); }
  .contact-grid { grid-template-columns: 1fr 1fr; gap: clamp(3rem, 6vw, 6rem); }
}
@media (min-width: 1280px) {
  .hero-title { font-size: clamp(5rem, 6.3vw, 6.6rem); }
}

/* =============================================================
   9. Reduced motion — only intrusive effects
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .pulse-dot::after, .solar-sweep, .scroll-cue span { animation: none; }
  .sun-ring svg, .contact-glow { animation-duration: 240s; }
}