/* ============================================================================
   GULAM ENERGY — Clean Light Advisory
   A trustworthy, photography-led site for a renewable energy, engineering and
   consultancy firm. Plain static HTML/CSS/JS, no build step.
   Warm off-white canvas · deep professional green · Poppins ·
   real photography, calm motion, generous space.
   ============================================================================ */

/* ---------- 00 · TOKENS ---------- */
:root {
  /* surfaces */
  --paper:   #f7f6f1;   /* page background (warm off-white) */
  --white:   #ffffff;
  --band:    #eef2ec;   /* soft green-tinted band */
  --sand:    #efede5;

  /* ink */
  --ink:     #16201b;   /* headings */
  --body:    #404a44;   /* body text */
  --muted:   #6e7670;
  --faint:   #9aa19b;

  /* green (primary, professional — not neon) */
  --g-900:   #0b3a27;   /* deepest / footer */
  --g-800:   #0c4a31;
  --g-700:   #0e5a3c;   /* primary */
  --g-600:   #14724b;
  --g-500:   #1e9e6a;   /* accent / links */
  --g-300:   #7cc8a4;
  --g-50:    #edf5ef;

  /* warm accent (used very sparingly) */
  --gold:    #b8862f;

  /* lines & shadow */
  --line:    #e4e3da;
  --line-2:  #d6d5ca;
  --shadow-sm: 0 1px 2px rgba(16,32,24,.04), 0 2px 8px rgba(16,32,24,.05);
  --shadow:    0 6px 18px -8px rgba(16,32,24,.14), 0 2px 6px -3px rgba(16,32,24,.08);
  --shadow-lg: 0 28px 60px -28px rgba(11,58,39,.32), 0 8px 22px -14px rgba(16,32,24,.16);

  /* geometry */
  --wrap: 1200px;
  --wrap-narrow: 940px;
  --gut: clamp(20px, 5vw, 64px);
  --r-sm: 10px;
  --r: 16px;
  --r-lg: 24px;
  --r-xl: 32px;

  /* type */
  --f-display: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-body: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* motion */
  --ease: cubic-bezier(.22,1,.36,1);
  --t1: .2s; --t2: .4s; --t3: .8s;
  --nav-h: 76px;
}

/* ---------- 01 · RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 20px); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  font-family: var(--f-body);
  font-size: clamp(16px, .4vw + 15px, 17.5px);
  line-height: 1.62;
  color: var(--body);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; color: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font: inherit; color: inherit; }
::selection { background: var(--g-500); color: #fff; }
:focus-visible { outline: 2px solid var(--g-600); outline-offset: 3px; border-radius: 4px; }

/* ---------- 02 · LAYOUT ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut); }
.wrap--narrow { max-width: var(--wrap-narrow); }
.section { position: relative; padding-block: clamp(64px, 9vw, 130px); }
.section--tight { padding-block: clamp(44px, 6vw, 84px); }
.band { background: var(--band); }
.band--paper { background: var(--white); }
.rule { height: 1px; border: 0; background: var(--line); }
.center { text-align: center; }
.mx-auto { margin-inline: auto; }
.maxw-sm { max-width: 46ch; } .maxw-md { max-width: 58ch; } .maxw-lg { max-width: 70ch; }
.grid { display: grid; gap: clamp(18px, 2.5vw, 32px); }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
.stack > * + * { margin-top: 1.1rem; }

/* ---------- 03 · TYPOGRAPHY ---------- */
h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 700; line-height: 1.08; letter-spacing: -.02em; color: var(--ink); }
.display { font-size: clamp(2.5rem, 5.2vw, 4.4rem); font-weight: 800; line-height: 1.02; letter-spacing: -.03em; }
.h2 { font-size: clamp(1.9rem, 3.4vw, 2.9rem); letter-spacing: -.025em; }
.h3 { font-size: clamp(1.25rem, 1.7vw, 1.55rem); }
h4 { font-size: 1.12rem; }
.lead { font-size: clamp(1.1rem, 1.3vw, 1.32rem); line-height: 1.55; color: var(--body); font-weight: 400; }
.muted { color: var(--muted); }
strong, b { color: var(--ink); font-weight: 600; }
.balance { text-wrap: balance; } .pretty { text-wrap: pretty; }
.serif-accent { font-style: italic; }

/* eyebrow — small, confident, professional */
.eyebrow { display: inline-flex; align-items: center; gap: .7em; font-size: .76rem; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase; color: var(--g-600); }
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--g-500); border-radius: 2px; }
.eyebrow--center { justify-content: center; }
.section-head { max-width: 64ch; margin-bottom: clamp(34px, 4.5vw, 56px); }
.section-head.center { margin-inline: auto; }
.section-head .h2 { margin-top: 16px; }
.section-head .lead { margin-top: 16px; color: var(--muted); }

/* ---------- 04 · BUTTONS ---------- */
.btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  padding: .85em 1.5em; border-radius: 100px; font-weight: 600; font-size: .98rem; letter-spacing: -.01em;
  border: 1.5px solid transparent; transition: transform var(--t1) var(--ease), background var(--t1), box-shadow var(--t1), color var(--t1), border-color var(--t1); }
.btn svg { width: 1.05em; height: 1.05em; transition: transform var(--t1) var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn:active { transform: translateY(1px); }
.btn--lg { padding: 1.02em 1.85em; font-size: 1.05rem; }
.btn--primary { background: var(--g-700); color: #fff; box-shadow: 0 10px 24px -12px rgba(14,90,60,.6); }
.btn--primary:hover { background: var(--g-800); transform: translateY(-2px); box-shadow: 0 16px 32px -14px rgba(14,90,60,.7); }
.btn--outline { border-color: var(--line-2); color: var(--ink); background: transparent; }
.btn--outline:hover { border-color: var(--g-600); color: var(--g-700); background: var(--g-50); }
.btn--light { background: #fff; color: var(--g-800); }
.btn--light:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn--ghost-light { border-color: rgba(255,255,255,.4); color: #fff; }
.btn--ghost-light:hover { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.7); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

.arrow-link { display: inline-flex; align-items: center; gap: .5em; font-weight: 600; color: var(--g-700);
  transition: gap var(--t1) var(--ease), color var(--t1); }
.arrow-link svg { width: 1.05em; height: 1.05em; transition: transform var(--t1) var(--ease); }
.arrow-link:hover { color: var(--g-600); gap: .75em; }
.arrow-link:hover svg { transform: translateX(3px); }

/* pill / tag */
.pill { display: inline-flex; align-items: center; gap: .5em; padding: .5em 1em; border-radius: 100px;
  font-size: .82rem; font-weight: 500; color: var(--g-700); background: var(--g-50); border: 1px solid #dcebe1; }
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--g-500); }
.tag { font-size: .78rem; color: var(--muted); padding: .32em .72em; border-radius: 100px; background: var(--paper); border: 1px solid var(--line); }

/* ---------- 05 · NAV ---------- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(247,246,241,.8);
  -webkit-backdrop-filter: blur(12px) saturate(120%); backdrop-filter: blur(12px) saturate(120%);
  border-bottom: 1px solid transparent; transition: background var(--t2), border-color var(--t2), box-shadow var(--t2); }
.nav.scrolled { background: rgba(247,246,241,.94); border-color: var(--line); box-shadow: 0 4px 20px -14px rgba(16,32,24,.3); }
.nav__inner { max-width: var(--wrap); margin-inline: auto; height: var(--nav-h); padding-inline: var(--gut);
  display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand img { width: 30px; height: 30px; }
.brand__txt { display: flex; flex-direction: column; line-height: 1.05; }
.brand__name { font-family: var(--f-display); font-weight: 800; font-size: 1.12rem; letter-spacing: -.01em; color: var(--ink); }
.brand__sub { font-size: .58rem; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); margin-top: 2px; }
.nav__links { display: flex; align-items: center; gap: 4px; }
.nav__links a { padding: .55em .9em; border-radius: 8px; font-size: .94rem; font-weight: 500; color: var(--body); transition: color var(--t1), background var(--t1); }
.nav__links a:hover { color: var(--g-700); background: var(--g-50); }
.nav__links a.active { color: var(--g-700); }
.nav__cta { display: flex; align-items: center; gap: 12px; }
.nav__toggle { display: none; width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--line-2); align-items: center; justify-content: center; background: #fff; }
.nav__toggle span, .nav__toggle span::before, .nav__toggle span::after { display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; transition: var(--t1) var(--ease); }
.nav__toggle span { position: relative; }
.nav__toggle span::before { content: ""; position: absolute; top: -6px; left: 0; }
.nav__toggle span::after { content: ""; position: absolute; top: 6px; left: 0; }
body.menu-open .nav__toggle span { background: transparent; }
body.menu-open .nav__toggle span::before { top: 0; transform: rotate(45deg); }
body.menu-open .nav__toggle span::after { top: 0; transform: rotate(-45deg); }

.drawer { position: fixed; inset: 0; z-index: 99; background: var(--paper); display: flex; flex-direction: column;
  justify-content: center; gap: 4px; padding: 0 var(--gut); opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity var(--t2) var(--ease), transform var(--t2) var(--ease), visibility var(--t2); }
body.menu-open .drawer { opacity: 1; visibility: visible; transform: none; }
.drawer a { display: flex; align-items: baseline; justify-content: space-between; padding: .55em 0;
  font-family: var(--f-display); font-weight: 700; font-size: clamp(1.7rem, 7vw, 2.3rem); color: var(--ink);
  border-bottom: 1px solid var(--line); transition: color var(--t1), padding var(--t1); }
.drawer a:hover, .drawer a.active { color: var(--g-700); padding-left: .3em; }
.drawer a span { font-size: .9rem; font-weight: 500; color: var(--g-500); }
.drawer__foot { margin-top: 26px; display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: .92rem; }

/* ---------- 06 · MEDIA (photography) ---------- */
.media { position: relative; overflow: hidden; border-radius: var(--r-lg); background: var(--sand); box-shadow: var(--shadow); }
.media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.media:hover img { transform: scale(1.045); }
.media--16x9 { aspect-ratio: 16/9; } .media--4x3 { aspect-ratio: 4/3; } .media--1x1 { aspect-ratio: 1/1; }
.media--3x4 { aspect-ratio: 3/4; } .media--tall { aspect-ratio: 4/5; }
/* frosted-glass chip over photography */
.media__tag { position: absolute; left: 16px; bottom: 16px; z-index: 2; padding: .55em 1.05em; border-radius: 100px;
  background: rgba(255,255,255,.5); -webkit-backdrop-filter: blur(16px) saturate(150%); backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid rgba(255,255,255,.6); font-size: .8rem; font-weight: 600; color: var(--g-800);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.8), 0 8px 22px -12px rgba(11,40,28,.4); }
figure { margin: 0; } figcaption { margin-top: 12px; font-size: .86rem; color: var(--muted); }

/* ---------- 07 · HERO ---------- */
.hero { padding-top: calc(var(--nav-h) + clamp(36px, 6vw, 80px)); padding-bottom: clamp(48px, 7vw, 96px); }
.hero__grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: clamp(32px, 5vw, 68px); align-items: center; }
.hero__title { margin-top: 18px; }
.hero__sub { margin-top: 22px; max-width: 50ch; }
.hero__actions { margin-top: 32px; }
.hero__trust { margin-top: 36px; padding-top: 26px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 12px 28px; }
.hero__trust .t { display: flex; align-items: center; gap: 9px; font-size: .92rem; color: var(--muted); }
.hero__trust .t svg { width: 18px; height: 18px; color: var(--g-600); flex: none; }
.hero__media { position: relative; }
.hero__media .media { aspect-ratio: 4/4.4; }
/* floating liquid-glass badge over the hero photo */
.hero__badge { position: absolute; left: -18px; bottom: 28px; z-index: 3; padding: 18px 22px; max-width: 248px;
  border-radius: var(--r-lg); overflow: hidden; isolation: isolate;
  background: rgba(255,255,255,.5); -webkit-backdrop-filter: blur(26px) saturate(165%); backdrop-filter: blur(26px) saturate(165%);
  border: 1px solid rgba(255,255,255,.65); box-shadow: inset 0 1px 0 rgba(255,255,255,.85), 0 22px 50px -24px rgba(11,40,28,.5); }
.hero__badge::before { content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(48% 60% at var(--mx,30%) var(--my,0%), rgba(255,255,255,.6), transparent 62%);
  opacity: .5; mix-blend-mode: screen; transition: opacity var(--t2); }
.hero__badge:hover::before { opacity: .85; }
.hero__badge > * { position: relative; z-index: 1; }
.hero__badge .k { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--g-700); font-weight: 600; }
.hero__badge .v { font-family: var(--f-display); font-weight: 700; color: var(--ink); margin-top: 4px; line-height: 1.2; }

/* ---------- 08 · STAT / FACT STRIP (qualitative — no fabricated numbers) ---------- */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(16px, 2vw, 28px); }
.fact { padding: 4px 2px; }
.fact .v { font-family: var(--f-display); font-weight: 800; font-size: clamp(1.3rem, 1.8vw, 1.7rem); color: var(--ink); letter-spacing: -.02em; line-height: 1.1; }
.fact .k { margin-top: 8px; font-size: .9rem; color: var(--muted); }
.fact .v .u { color: var(--g-600); }

/* ---------- 09 · CARDS ---------- */
.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(24px, 2.6vw, 34px);
  height: 100%; display: flex; flex-direction: column; gap: 12px; transition: transform var(--t2) var(--ease), box-shadow var(--t2) var(--ease), border-color var(--t2); }
.card--hover:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: #d9e6dd; }
.card__ic { width: 50px; height: 50px; border-radius: 13px; display: grid; place-items: center; margin-bottom: 6px;
  background: var(--g-50); border: 1px solid #dcebe1; color: var(--g-700); }
.card__ic svg { width: 25px; height: 25px; }
.card__n { font-size: .82rem; font-weight: 600; letter-spacing: .1em; color: var(--faint); }
.card h3 { font-size: 1.18rem; }
.card p { color: var(--muted); font-size: .96rem; }
.card__tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: auto; padding-top: 8px; }

/* card with image header */
.card--media { padding: 0; overflow: hidden; }
.card--media .media { border-radius: 0; box-shadow: none; aspect-ratio: 16/10; }
.card--media .card__body { padding: clamp(20px, 2.2vw, 28px); display: flex; flex-direction: column; gap: 10px; flex: 1; }

/* ---------- 10 · SPLIT (image + copy) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 5vw, 72px); align-items: center; }
.split--rev .split__media { order: 2; }
.split__media .media { aspect-ratio: 4/3.4; }
.split__copy .eyebrow { margin-bottom: 16px; }

/* feature list */
.flist { display: grid; gap: 14px; }
.flist li { display: flex; gap: 12px; align-items: flex-start; color: var(--body); }
.flist .tick { flex: none; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; margin-top: 1px;
  background: var(--g-50); border: 1px solid #cfe6d8; color: var(--g-600); }
.flist .tick svg { width: 14px; height: 14px; }

/* ---------- 11 · APPROACH FLOW (lifecycle, clean) ---------- */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(16px, 2vw, 26px); counter-reset: flow; }
.flow__step { position: relative; padding-top: 28px; }
.flow__step::before { content: ""; position: absolute; top: 9px; left: 0; right: 0; height: 2px; background: var(--line-2); }
.flow__step:last-child::before { right: 50%; }
.flow__step:first-child::before { left: 50%; }
.flow__step::after { counter-increment: flow; content: counter(flow, decimal-leading-zero); position: absolute; top: 0; left: 0;
  width: 20px; height: 20px; border-radius: 50%; background: var(--g-700); color: #fff; font-size: .62rem; font-weight: 700;
  display: grid; place-items: center; }
.flow__step h4 { font-size: 1.08rem; margin-bottom: 6px; }
.flow__step p { font-size: .9rem; color: var(--muted); }

/* steps (vertical / projects) */
.steps { display: grid; gap: clamp(14px, 2vw, 22px); grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }
.step { background: var(--white); border: 1px solid var(--line); border-radius: var(--r); padding: 24px; }
.step__n { font-family: var(--f-display); font-weight: 800; font-size: 1.1rem; color: var(--g-600); }
.step h4 { font-size: 1.05rem; margin: 8px 0 6px; }
.step p { font-size: .9rem; color: var(--muted); }

/* ---------- 12 · IMAGE BAND (full-width photo + overlay) ---------- */
.imgband { position: relative; border-radius: var(--r-xl); overflow: hidden; min-height: clamp(340px, 46vw, 520px);
  display: grid; place-items: center; box-shadow: var(--shadow-lg); }
.imgband img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; transition: transform 6s var(--ease); }
.imgband:hover img { transform: scale(1.05); }
.imgband::after { content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(11,58,39,.22) 0%, rgba(11,40,28,.5) 100%); }
/* liquid-glass panel floating over the band photo */
.imgband__inner { position: relative; z-index: 2; text-align: center; isolation: isolate; overflow: hidden;
  padding: clamp(30px, 4.5vw, 54px); max-width: 660px; margin: clamp(20px, 3vw, 40px); border-radius: var(--r-lg); color: #fff;
  background: rgba(11,40,28,.34); -webkit-backdrop-filter: blur(22px) saturate(150%); backdrop-filter: blur(22px) saturate(150%);
  border: 1px solid rgba(255,255,255,.2); box-shadow: inset 0 1px 0 rgba(255,255,255,.24), 0 28px 64px -28px rgba(0,0,0,.55); }
.imgband__inner::before { content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(45% 55% at var(--mx,50%) var(--my,0%), rgba(255,255,255,.4), transparent 62%);
  opacity: .4; mix-blend-mode: screen; transition: opacity var(--t2); }
.imgband__inner:hover::before { opacity: .7; }
.imgband__inner > * { position: relative; z-index: 1; }
.imgband__inner h2, .imgband__inner .h2 { color: #fff; }
.imgband__inner .lead { color: rgba(255,255,255,.86); }
.imgband__inner .eyebrow { color: #fff; }
.imgband__inner .eyebrow::before { background: var(--g-300); }

/* ---------- 13 · TEAM ---------- */
.team { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(18px, 2vw, 28px); }
.member { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.member__photo { aspect-ratio: 1/1; position: relative; display: grid; place-items: center;
  background: linear-gradient(160deg, var(--g-700), var(--g-900)); }
.member__photo .mono { font-family: var(--f-display); font-weight: 800; font-size: 2.6rem; color: rgba(255,255,255,.85); }
.member__body { padding: 20px 22px 24px; }
.member__body h4 { font-size: 1.08rem; }
.member__role { font-size: .86rem; font-weight: 600; color: var(--g-600); margin-top: 4px; }
.member__body p { font-size: .88rem; color: var(--muted); margin-top: 10px; }
.ph { display: inline-flex; align-items: center; gap: 7px; padding: .3em .7em; border-radius: 100px; font-size: .66rem;
  font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--gold); background: #fbf4e6; border: 1px solid #f0e2c4; }

/* ---------- 14 · PROJECTS / DEPLOYMENTS ---------- */
.project { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; display: flex; flex-direction: column; }
.project .media { border-radius: 0; box-shadow: none; aspect-ratio: 16/10; }
.project__body { padding: 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.project__body h3 { font-size: 1.15rem; }
.project__body p { font-size: .92rem; color: var(--muted); }
.project__spec { margin-top: auto; padding-top: 14px; border-top: 1px dashed var(--line-2); display: grid; gap: 8px; }
.project__spec .row { display: flex; justify-content: space-between; font-size: .86rem; }
.project__spec .row .k { color: var(--faint); } .project__spec .row .v { color: var(--muted); }

/* ---------- 15 · IMPACT / SDG ---------- */
.sdg-row { display: flex; flex-wrap: wrap; gap: 12px; }
.sdg { display: inline-flex; align-items: center; gap: 11px; padding: 13px 18px; border-radius: var(--r); background: var(--white); border: 1px solid var(--line); }
.sdg .n { font-family: var(--f-display); font-weight: 800; color: var(--g-600); }

/* ---------- 16 · CONTACT ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(26px, 4vw, 56px); align-items: start; }
.channel { display: block; background: var(--white); border: 1px solid var(--line); border-radius: var(--r); padding: 22px 24px; transition: border-color var(--t1), box-shadow var(--t1); }
.channel:hover { border-color: #d9e6dd; box-shadow: var(--shadow); }
.channel .k { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--g-600); font-weight: 600; }
.channel h3 { font-size: 1.12rem; margin: 8px 0 4px; }
.channel p { color: var(--muted); font-size: .92rem; }
.map { margin-top: 16px; border-radius: var(--r); overflow: hidden; aspect-ratio: 16/8; border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.map iframe { width: 100%; height: 100%; border: 0; }
.form { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(24px, 3vw, 38px); box-shadow: var(--shadow); }
.field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 16px; }
.field label { font-size: .86rem; font-weight: 600; color: var(--ink); }
.field label .req { color: var(--g-600); }
.field input, .field textarea, .field select { width: 100%; padding: .82em 1em; border-radius: var(--r-sm);
  background: var(--paper); border: 1px solid var(--line-2); color: var(--ink); transition: border-color var(--t1), box-shadow var(--t1), background var(--t1); }
.field input::placeholder, .field textarea::placeholder { color: var(--faint); }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--g-600); background: #fff; box-shadow: 0 0 0 3px var(--g-50); }
.field textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: .86rem; color: var(--muted); margin-bottom: 16px; }
.consent input { width: 17px; height: 17px; margin-top: 3px; accent-color: var(--g-600); }
.form-note { font-size: .8rem; color: var(--faint); }
.form-status { font-size: .9rem; min-height: 1.2rem; margin-top: 12px; }
.form-status.ok { color: var(--g-600); } .form-status.err { color: #c0492e; }

/* ---------- 17 · CTA ---------- */
.cta { position: relative; border-radius: var(--r-xl); overflow: hidden; padding: clamp(40px, 6vw, 80px);
  text-align: center; background: linear-gradient(150deg, var(--g-700), var(--g-900)); color: #fff; box-shadow: var(--shadow-lg); }
.cta h2, .cta .h2 { color: #fff; }
.cta .lead { color: rgba(255,255,255,.85); }
.cta .eyebrow { color: var(--g-300); }
.cta .eyebrow::before { background: var(--g-300); }

/* ---------- 18 · PAGE HEAD (interior) ---------- */
.pagehead { padding-top: calc(var(--nav-h) + clamp(40px, 6vw, 76px)); padding-bottom: clamp(20px, 3vw, 36px); }
.crumb { display: inline-flex; gap: 8px; align-items: center; font-size: .82rem; color: var(--muted); margin-bottom: 18px; }
.crumb a:hover { color: var(--g-700); }
.crumb .sep { color: var(--faint); }

/* ---------- 19 · FOOTER (deep green) ---------- */
.footer { background: var(--g-900); color: rgba(255,255,255,.7); padding-block: clamp(56px, 7vw, 88px) 32px; }
.footer .brand__name { color: #fff; }
.footer .brand__sub { color: rgba(255,255,255,.5); }
.footer .brand img { filter: brightness(0) invert(1); }   /* render the green mark white on dark */
.footer__grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1.2fr; gap: 40px; }
.footer__about p { margin-top: 16px; font-size: .92rem; max-width: 34ch; color: rgba(255,255,255,.62); }
.footer h4 { font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.5); margin-bottom: 16px; font-weight: 600; }
.footer__links { display: grid; gap: 11px; }
.footer__links a { color: rgba(255,255,255,.74); font-size: .94rem; transition: color var(--t1); }
.footer__links a:hover { color: #fff; }
.footer__bottom { margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12); display: flex; flex-wrap: wrap; gap: 14px 24px; align-items: center; justify-content: space-between; }
.footer__bottom, .footer__legal span { font-size: .84rem; color: rgba(255,255,255,.55); }
.footer__legal { display: flex; flex-wrap: wrap; gap: 18px; }
.footer__legal b { color: rgba(255,255,255,.8); font-weight: 600; }
.footer__social { display: flex; gap: 9px; }
.footer__social a { width: 38px; height: 38px; border-radius: 9px; display: grid; place-items: center; color: rgba(255,255,255,.75);
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); transition: var(--t1); }
.footer__social a:hover { color: #fff; background: rgba(255,255,255,.14); transform: translateY(-2px); }
.footer__social svg { width: 17px; height: 17px; }

/* ---------- 20 · REVEAL / A11Y ---------- */
[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity .7s var(--ease), transform .7s var(--ease); will-change: opacity, transform; }
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal-d="1"] { transition-delay: .07s; } [data-reveal-d="2"] { transition-delay: .14s; }
[data-reveal-d="3"] { transition-delay: .21s; } [data-reveal-d="4"] { transition-delay: .28s; }
.skip { position: absolute; left: 50%; top: -64px; transform: translateX(-50%); z-index: 200; padding: .7em 1.2em; border-radius: 100px; background: var(--g-700); color: #fff; font-weight: 600; transition: top var(--t1) var(--ease); }
.skip:focus { top: 14px; }
.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; }

/* ---------- 21 · RESPONSIVE ---------- */
@media (max-width: 1000px) {
  .cols-4 { grid-template-columns: repeat(2, 1fr); }
  .team { grid-template-columns: repeat(2, 1fr); }
  .facts { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer__about { grid-column: 1 / -1; }
  .flow { grid-template-columns: repeat(2, 1fr); gap: 30px 24px; }
  .flow__step::before { display: none; }
}
@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__toggle { display: inline-flex; }
  .nav__cta .btn:not(.nav__toggle) { display: none; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__media { order: -1; }
  .hero__media .media { aspect-ratio: 16/10; }
  .split, .split--rev { grid-template-columns: 1fr; }
  .split--rev .split__media { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .cols-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .cols-2, .cols-3, .cols-4, .team, .facts { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .hero__badge { left: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .media:hover img, .imgband:hover img { transform: none; }
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .nav { background: var(--paper); }
}

/* ============================================================================
   LIQUID GLASS — site-wide material
   A consistent frosted-glass treatment across the nav and surfaces, with a
   subtle cursor-reactive sheen on interactive cards. Light, premium, readable.
   ============================================================================ */
:root {
  --glass:        rgba(255,255,255,.6);
  --glass-strong: rgba(255,255,255,.78);
  --glass-brd:    rgba(255,255,255,.72);
  --glass-blur:   blur(16px) saturate(150%);
  --glass-hi:     inset 0 1px 0 rgba(255,255,255,.85);
}

/* top nav → liquid-glass rail */
.nav {
  background: rgba(247,246,241,.58);
  -webkit-backdrop-filter: blur(22px) saturate(170%); backdrop-filter: blur(22px) saturate(170%);
  border-bottom: 1px solid rgba(255,255,255,.5);
  box-shadow: var(--glass-hi);
}
.nav.scrolled {
  background: rgba(247,246,241,.8);
  border-bottom-color: var(--line);
  box-shadow: var(--glass-hi), 0 10px 30px -18px rgba(16,32,24,.32);
}

/* frosted-glass surfaces throughout */
.card, .channel, .form, .member, .project, .step, .sdg {
  background: var(--glass);
  -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-brd);
  box-shadow: var(--glass-hi), var(--shadow);
}
.pill, .nav__toggle {
  background: rgba(255,255,255,.5);
  -webkit-backdrop-filter: blur(12px) saturate(140%); backdrop-filter: blur(12px) saturate(140%);
  border-color: rgba(255,255,255,.6);
}
/* keep photography crisp (no blur bleed through media wrappers) */
.member__photo, .project .media, .card--media .media { -webkit-backdrop-filter: none; backdrop-filter: none; }

/* cursor-reactive sheen on interactive glass cards */
.card, .channel, .member, .project { position: relative; isolation: isolate; overflow: hidden; }
.card::after, .channel::after, .member::after, .project::after {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none; border-radius: inherit;
  background: radial-gradient(42% 55% at var(--mx,50%) var(--my,-20%), rgba(255,255,255,.55), transparent 60%);
  opacity: 0; transition: opacity var(--t2); mix-blend-mode: screen;
}
.card:hover::after, .channel:hover::after, .member:hover::after, .project:hover::after { opacity: .6; }
.card > *, .channel > *, .member > *, .project > * { position: relative; z-index: 1; }

/* footer social chips → glass on the dark green footer */
.footer__social a {
  background: rgba(255,255,255,.08);
  -webkit-backdrop-filter: blur(10px) saturate(130%); backdrop-filter: blur(10px) saturate(130%);
  border-color: rgba(255,255,255,.18);
}

/* readability + performance on coarse pointers / small screens */
@media (hover: none), (max-width: 600px) {
  .card, .channel, .form, .member, .project, .step, .sdg { background: var(--glass-strong); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
  .card::after, .channel::after, .member::after, .project::after { display: none; }
}
/* graceful fallback where backdrop-filter is unsupported */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .nav { background: rgba(247,246,241,.96); }
  .card, .channel, .form, .member, .project, .step, .sdg { background: var(--white); }
  .pill, .nav__toggle { background: #fff; }
}

/* ============================================================================
   ROUNDED FLOATING NAV — Apple-style liquid glass pill
   The bar floats with side/top gaps as a rounded pill (like the reference),
   rendered as a refined frosted-glass surface with a cursor-tracked specular.
   ============================================================================ */
.nav {
  padding: clamp(10px, 1.4vw, 16px) var(--gut) 0;
  background: none; border: none; box-shadow: none;
  -webkit-backdrop-filter: none; backdrop-filter: none;
}
.nav.scrolled { background: none; border: none; box-shadow: none; }
.nav__inner {
  height: 60px; max-width: var(--wrap); margin-inline: auto;
  padding: 0 10px 0 20px; border-radius: 100px;
  position: relative; overflow: hidden; isolation: isolate;
  background: rgba(255,255,255,.5);
  -webkit-backdrop-filter: blur(24px) saturate(180%); backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255,255,255,.6);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.9),
    inset 0 -1px 1px rgba(11,40,28,.05),
    0 12px 34px -16px rgba(16,32,24,.3),
    0 2px 8px -4px rgba(16,32,24,.12);
  transition: background var(--t2) var(--ease), box-shadow var(--t2) var(--ease), border-color var(--t2);
}
.nav.scrolled .nav__inner {
  background: rgba(255,255,255,.7);
  border-color: rgba(255,255,255,.78);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.95),
    0 16px 44px -18px rgba(16,32,24,.36),
    0 3px 10px -5px rgba(16,32,24,.16);
}
.nav__inner::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none; border-radius: inherit;
  background: radial-gradient(45% 130% at var(--mx,28%) var(--my,-10%), rgba(255,255,255,.6), transparent 60%);
  opacity: .45; mix-blend-mode: screen; transition: opacity var(--t2);
}
.nav__inner:hover::before { opacity: .75; }
.nav__inner > * { position: relative; z-index: 1; }
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .nav__inner { background: rgba(247,246,241,.97); }
}

/* ============================================================================
   LIQUID-GLASS BUTTONS
   Secondary buttons become frosted glass (over photos / bands / light pages);
   primary green + solid-white CTAs stay solid for contrast and emphasis.
   ============================================================================ */
/* secondary, over dark imagery / green bands */
.btn--ghost-light {
  background: rgba(255,255,255,.16);
  -webkit-backdrop-filter: blur(16px) saturate(160%); backdrop-filter: blur(16px) saturate(160%);
  border-color: rgba(255,255,255,.5); color: #fff;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.45), 0 8px 24px -14px rgba(0,0,0,.5);
}
.btn--ghost-light:hover { background: rgba(255,255,255,.26); border-color: rgba(255,255,255,.78); }
/* secondary, on light pages */
.btn--outline {
  background: rgba(255,255,255,.5);
  -webkit-backdrop-filter: blur(14px) saturate(150%); backdrop-filter: blur(14px) saturate(150%);
  border-color: var(--glass-brd);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.85), 0 6px 18px -12px rgba(16,32,24,.18);
}
.btn--outline:hover { background: rgba(255,255,255,.72); border-color: var(--g-600); color: var(--g-700); }
/* soft light-sweep sheen on hover (the .btn base is position:relative; overflow:hidden; isolation:isolate) */
.btn--ghost-light::before, .btn--outline::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: linear-gradient(120deg, transparent 32%, rgba(255,255,255,.4) 50%, transparent 68%);
  transform: translateX(-130%); transition: transform .7s var(--ease);
}
.btn--ghost-light:hover::before, .btn--outline:hover::before { transform: translateX(130%); }
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .btn--outline { background: transparent; }
  .btn--ghost-light { background: rgba(255,255,255,.16); }
}

/* ============================================================================
   GREEN LIQUID-GLASS CTA
   The green call-to-action band becomes a frosted green-glass slab: a faint
   solar image behind a translucent green tint, a glass edge-highlight, and a
   cursor-tracked specular sheen.
   ============================================================================ */
.cta {
  position: relative; overflow: hidden; isolation: isolate;
  background:
    linear-gradient(150deg, rgba(14,90,60,.82) 0%, rgba(11,58,39,.93) 100%),
    url("../assets/img/solar-farm.jpg") center / cover no-repeat;
  border: 1px solid rgba(255,255,255,.18);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.28), 0 30px 70px -30px rgba(11,40,28,.6);
}
.cta::after {   /* glass edge light along the top */
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,.16), transparent 42%);
}
.cta::before {  /* cursor-tracked specular sheen */
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(45% 60% at var(--mx,50%) var(--my,0%), rgba(255,255,255,.3), transparent 60%);
  opacity: .5; mix-blend-mode: screen; transition: opacity var(--t2);
}
.cta:hover::before { opacity: .8; }
.cta > * { position: relative; z-index: 1; }
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .cta { background: linear-gradient(150deg, var(--g-700), var(--g-900)); }
}