/* =================================================================
   SYNOD RENEWABLES PVT. LTD. — Premium clean-tech stylesheet
   Palette: graphite-green base · emerald accent · navy · soft grey
   Fonts: Bricolage Grotesque (display) · Hanken Grotesk (body) ·
          JetBrains Mono (technical labels)
================================================================= */

:root {
  /* base surfaces */
  --ink:        #07100c;
  --ink-2:      #0a1611;
  --surface:    rgba(255, 255, 255, 0.035);
  --surface-2:  rgba(255, 255, 255, 0.06);

  /* brand */
  --emerald:        #1fb672;
  --emerald-bright: #46e29a;
  --emerald-deep:   #0c5a3a;
  --navy:           #1f4a72;   /* echoes the SYNOD wordmark */
  --red:            #e8473c;   /* Biopower accent — used sparingly */

  /* text */
  --white:   #eef5f1;
  --grey-2:  #c3d3cb;
  --grey:    #8ea49a;
  --grey-3:  #5f7268;

  /* lines */
  --line:        rgba(255, 255, 255, 0.09);
  --line-strong: rgba(70, 226, 154, 0.25);

  --radius:   22px;
  --radius-s: 14px;
  --container: 1200px;
  --ease: cubic-bezier(.22, 1, .36, 1);

  --shadow:    0 30px 80px -30px rgba(0, 0, 0, .8);
  --shadow-em: 0 24px 60px -24px rgba(31, 182, 114, .45);
}

/* ---------------- reset ---------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; -webkit-text-size-adjust: 100%; }
body {
  font-family: "Hanken Grotesk", system-ui, sans-serif;
  background: var(--ink);
  color: var(--grey-2);
  line-height: 1.65;
  font-size: 1.0625rem;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
h1, h2, h3, h4, h5 {
  font-family: "Bricolage Grotesque", system-ui, sans-serif;
  color: var(--white);
  line-height: 1.08;
  font-weight: 600;
  letter-spacing: -0.02em;
}
::selection { background: var(--emerald); color: var(--ink); }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: clamp(1.2rem, 4vw, 2.5rem); }

/* =================================================================
   ATMOSPHERIC BACKGROUND
================================================================= */
.bg-canvas { position: fixed; inset: 0; z-index: -1; overflow: hidden; background:
    radial-gradient(1200px 800px at 80% -10%, #0c2018 0%, transparent 60%),
    radial-gradient(900px 700px at 0% 30%, #0a1a20 0%, transparent 55%),
    var(--ink);
}
.aurora { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5; mix-blend-mode: screen; }
.aurora--1 { width: 50vw; height: 50vw; top: -10%; right: -8%; background: radial-gradient(circle, var(--emerald) 0%, transparent 70%); opacity: .28; animation: drift 22s ease-in-out infinite; }
.aurora--2 { width: 45vw; height: 45vw; bottom: -15%; left: -10%; background: radial-gradient(circle, var(--navy) 0%, transparent 70%); opacity: .35; animation: drift 28s ease-in-out infinite reverse; }
.aurora--3 { width: 30vw; height: 30vw; top: 40%; left: 55%; background: radial-gradient(circle, var(--emerald-deep) 0%, transparent 70%); opacity: .3; animation: drift 19s ease-in-out infinite; }
@keyframes drift { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(4%, 6%) scale(1.12); } }

.grid-lines { position: absolute; inset: 0; background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px; opacity: .25;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 0%, transparent 75%);
}
.grain { position: absolute; inset: 0; opacity: .04; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* =================================================================
   SHARED ELEMENTS
================================================================= */
.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: "JetBrains Mono", monospace;
  font-size: .74rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--emerald-bright); font-weight: 500; margin-bottom: 1.1rem;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--emerald); }

.section { padding-block: clamp(4.5rem, 9vw, 8.5rem); position: relative; }
.section--alt { background:
    linear-gradient(180deg, transparent, rgba(255,255,255,.018) 12%, rgba(255,255,255,.018) 88%, transparent); }
.section__head { max-width: 720px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section__title { font-size: clamp(1.9rem, 4.2vw, 3.1rem); }
.section__intro, .section__head .section__intro { color: var(--grey); margin-top: 1.1rem; font-size: 1.1rem; }
.lead { color: var(--grey-2); font-size: clamp(1.05rem, 1.6vw, 1.22rem); margin-top: 1.2rem; }
.muted { color: var(--grey); margin-top: 1.1rem; }
.grad-text { background: linear-gradient(100deg, var(--emerald-bright), var(--navy) 90%); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------------- buttons ---------------- */
.btn {
  --b: var(--emerald);
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: "Hanken Grotesk", sans-serif; font-weight: 600; font-size: .97rem;
  padding: .85rem 1.5rem; border-radius: 100px; cursor: pointer; border: 1px solid transparent;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .3s, color .3s, border-color .3s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn--accent { background: linear-gradient(120deg, var(--emerald), var(--emerald-deep)); color: #04140d; box-shadow: var(--shadow-em); }
.btn--accent:hover { transform: translateY(-3px); box-shadow: 0 30px 70px -22px rgba(31,182,114,.65); }
.btn--ghost { background: var(--surface); color: var(--white); border-color: var(--line); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.btn--ghost:hover { border-color: var(--emerald); color: var(--emerald-bright); transform: translateY(-3px); }
.btn--wa { background: rgba(37,211,102,.12); color: #4fe089; border-color: rgba(37,211,102,.4); }
.btn--wa:hover { background: rgba(37,211,102,.22); transform: translateY(-3px); }

/* =================================================================
   HEADER
================================================================= */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; transition: background .4s, border-color .4s, padding .4s; border-bottom: 1px solid transparent; padding-block: .55rem; }
.header.scrolled { background: rgba(7,16,12,.72); -webkit-backdrop-filter: blur(18px) saturate(140%); backdrop-filter: blur(18px) saturate(140%); border-bottom-color: var(--line); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }

.brand { display: inline-flex; align-items: center; gap: .7rem; }
.brand__mark { width: 38px; height: 38px; flex: none; display: grid; place-items: center; border-radius: 12px;
  background: linear-gradient(135deg, rgba(70,226,154,.16), rgba(31,74,114,.2)); border: 1px solid var(--line-strong); color: var(--emerald-bright); }
.brand__mark svg { width: 22px; height: 22px; }
.brand__text { font-family: "Bricolage Grotesque", sans-serif; font-size: 1.18rem; color: var(--grey-2); line-height: 1; display: flex; flex-direction: column; gap: .15rem; }
.brand__text strong { color: var(--white); font-weight: 700; letter-spacing: .02em; }
.brand__text em { font-style: normal; font-family: "JetBrains Mono", monospace; font-size: .58rem; letter-spacing: .14em; text-transform: uppercase; color: var(--grey-3); }

.nav { display: flex; gap: .2rem; align-items: center; }
.nav a { position: relative; padding: .55rem .72rem; font-size: .92rem; color: var(--grey-2); border-radius: 8px; transition: color .25s; white-space: nowrap; }
.nav a::after { content: ""; position: absolute; left: .72rem; right: .72rem; bottom: .35rem; height: 1.5px; background: var(--emerald); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.nav a:hover { color: var(--white); }
.nav a:hover::after { transform: scaleX(1); }

.hamburger { display: none; flex-direction: column; gap: 5px; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; width: 44px; height: 44px; align-items: center; justify-content: center; cursor: pointer; }
.hamburger span { width: 20px; height: 2px; background: var(--white); border-radius: 2px; transition: .3s var(--ease); }
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =================================================================
   HERO
================================================================= */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding-top: 6.5rem; padding-bottom: 3.5rem; }
.hero__grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero__title { font-size: clamp(2.2rem, 4.6vw, 3.6rem); font-weight: 700; line-height: 1.05; }
.hero__title .grad-text { display: block; }
.hero__sub { color: var(--grey); font-size: clamp(1.02rem, 1.5vw, 1.18rem); max-width: 42ch; margin-top: 1.4rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 1.9rem; }

.trust { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 2rem; }
.trust li { font-family: "JetBrains Mono", monospace; font-size: .72rem; letter-spacing: .04em; color: var(--grey-2);
  padding: .45rem .85rem; border: 1px solid var(--line); border-radius: 100px; background: var(--surface); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.trust li::before { content: "●"; color: var(--emerald); margin-right: .45rem; font-size: .6rem; }

/* hero visual */
.hero__visual { position: relative; display: grid; place-items: center; aspect-ratio: 1; }
.orbit { width: min(100%, 460px); aspect-ratio: 1; position: relative; filter: drop-shadow(0 30px 60px rgba(31,182,114,.25)); }
.net { width: 100%; height: 100%; overflow: visible; }
.net__links line { stroke-dasharray: 6 6; animation: flow 3s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -120; } }
.ring--a { animation: spin 40s linear infinite; transform-origin: 210px 210px; }
.ring--b { animation: spin 26s linear infinite reverse; transform-origin: 210px 210px; }
@keyframes spin { to { transform: rotate(360deg); } }
.node circle { fill: rgba(7,16,12,.85); stroke: var(--line-strong); stroke-width: 1.4; }
.node text { fill: var(--emerald-bright); font-size: 22px; text-anchor: middle; dominant-baseline: middle; }
.node { animation: pulse 3.4s ease-in-out infinite; animation-delay: var(--d); transform-box: fill-box; transform-origin: center; }
@keyframes pulse { 0%,100% { opacity: .85; } 50% { opacity: 1; filter: drop-shadow(0 0 8px var(--emerald)); } }
.core { animation: corepulse 4s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
@keyframes corepulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.08); } }
.core-label { fill: #04140d; font-family: "Bricolage Grotesque", sans-serif; font-weight: 700; font-size: 26px; text-anchor: middle; dominant-baseline: middle; }

.hero__chip { position: absolute; display: inline-flex; align-items: center; gap: .5rem; font-family: "JetBrains Mono", monospace; font-size: .72rem; color: var(--grey-2);
  padding: .5rem .8rem; border-radius: 100px; background: rgba(7,16,12,.8); border: 1px solid var(--line); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); box-shadow: var(--shadow); }
.hero__chip span { width: 7px; height: 7px; border-radius: 50%; background: var(--emerald-bright); box-shadow: 0 0 8px var(--emerald); animation: blink 2s ease-in-out infinite; }
.hero__chip--1 { top: 6%; left: -4%; animation: float 6s ease-in-out infinite; }
.hero__chip--2 { bottom: 8%; right: -2%; animation: float 7s ease-in-out infinite reverse; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

.scroll-cue { position: absolute; bottom: 1.8rem; left: 50%; transform: translateX(-50%); width: 24px; height: 38px; border: 1.5px solid var(--line-strong); border-radius: 14px; display: grid; place-items: start center; padding-top: 6px; }
.scroll-cue span { width: 4px; height: 8px; background: var(--emerald-bright); border-radius: 4px; animation: cue 1.8s ease-in-out infinite; }
@keyframes cue { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(12px); opacity: 0; } 100% { opacity: 0; } }

/* =================================================================
   ABOUT
================================================================= */
.about__grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.info-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.8rem; -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); box-shadow: var(--shadow); position: relative; overflow: hidden; }
.info-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: linear-gradient(90deg, var(--emerald), var(--navy)); }
.info-card__head { display: flex; align-items: center; gap: .6rem; font-family: "JetBrains Mono", monospace; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--grey-2); margin-bottom: 1.3rem; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--emerald-bright); }
.dot--live { box-shadow: 0 0 0 0 rgba(70,226,154,.6); animation: live 2s infinite; }
@keyframes live { 0% { box-shadow: 0 0 0 0 rgba(70,226,154,.55); } 70% { box-shadow: 0 0 0 9px rgba(70,226,154,0); } 100% { box-shadow: 0 0 0 0 rgba(70,226,154,0); } }
.info-card__list > div { display: grid; grid-template-columns: 1fr; gap: .15rem; padding: .85rem 0; border-bottom: 1px solid var(--line); }
.info-card__list > div:last-child { border-bottom: 0; padding-bottom: 0; }
.info-card__list dt { font-family: "JetBrains Mono", monospace; font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--grey-3); }
.info-card__list dd { color: var(--grey-2); font-size: .98rem; }
.badge-status { display: inline-flex; align-items: center; gap: .4rem; color: var(--emerald-bright); font-weight: 600; }
.badge-status::before { content: "●"; font-size: .55rem; }

/* =================================================================
   CARDS (focus areas)
================================================================= */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem; }
.card { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem 1.8rem; -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); overflow: hidden; transition: transform .4s var(--ease), border-color .4s, background .4s; }
.card::after { content: ""; position: absolute; inset: 0; border-radius: inherit; background: radial-gradient(380px circle at var(--mx, 50%) var(--my, 0%), rgba(70,226,154,.1), transparent 60%); opacity: 0; transition: opacity .4s; pointer-events: none; }
.card:hover { transform: translateY(-6px); border-color: var(--line-strong); background: var(--surface-2); }
.card:hover::after { opacity: 1; }
.card__icon { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 14px; margin-bottom: 1.3rem;
  background: linear-gradient(135deg, rgba(70,226,154,.14), rgba(31,74,114,.18)); border: 1px solid var(--line-strong); color: var(--emerald-bright); }
.card__icon svg { width: 26px; height: 26px; }
.card h3 { font-size: 1.22rem; margin-bottom: .65rem; }
.card p { color: var(--grey); font-size: .97rem; }

/* =================================================================
   INNOVATION / TIMELINE
================================================================= */
.innov__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }
.timeline { position: relative; display: grid; gap: .4rem; }
.timeline::before { content: ""; position: absolute; left: 26px; top: 18px; bottom: 18px; width: 2px; background: linear-gradient(var(--emerald), transparent); }
.timeline__step { display: flex; gap: 1.3rem; align-items: flex-start; padding: 1rem 1.1rem; border-radius: var(--radius-s); transition: background .3s; position: relative; }
.timeline__step:hover { background: var(--surface); }
.timeline__num { flex: none; width: 54px; height: 54px; display: grid; place-items: center; border-radius: 50%; font-family: "JetBrains Mono", monospace; font-weight: 500; color: var(--emerald-bright);
  background: var(--ink-2); border: 1px solid var(--line-strong); position: relative; z-index: 1; box-shadow: 0 0 0 5px var(--ink); }
.timeline__step h4 { font-size: 1.12rem; margin-bottom: .25rem; }
.timeline__step p { color: var(--grey); font-size: .95rem; }

/* =================================================================
   ACADEMY
================================================================= */
.academy { position: relative; overflow: hidden; border-radius: 28px; padding: clamp(2.2rem, 5vw, 4rem); border: 1px solid var(--line-strong);
  background: linear-gradient(135deg, rgba(31,74,114,.22), rgba(7,16,12,.6)); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); box-shadow: var(--shadow);
  display: grid; grid-template-columns: 1.4fr .6fr; gap: 2.5rem; align-items: center; }
.academy__glow { position: absolute; width: 60%; height: 140%; right: -10%; top: -20%; background: radial-gradient(circle, var(--emerald) 0%, transparent 65%); opacity: .18; filter: blur(40px); }
.academy__body { position: relative; z-index: 1; }
.academy__pills { display: flex; flex-wrap: wrap; gap: .55rem; align-content: center; position: relative; z-index: 1; }
.academy__pills li { font-family: "JetBrains Mono", monospace; font-size: .74rem; padding: .5rem .9rem; border-radius: 100px; border: 1px solid var(--line); background: rgba(7,16,12,.5); color: var(--grey-2); }

/* =================================================================
   ECOSYSTEM
================================================================= */
.eco-logo { margin: 0 auto clamp(2.5rem, 5vw, 3.5rem); max-width: 760px; border-radius: 24px; overflow: hidden; border: 1px solid var(--line); background: #000; box-shadow: var(--shadow); }
.eco-logo img { width: 100%; }
.eco-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem; }
.eco-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.7rem; transition: transform .4s var(--ease), border-color .4s; }
.eco-card:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.eco-card h3 { font-size: 1.12rem; margin-bottom: .55rem; display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.eco-card p { color: var(--grey); font-size: .94rem; }
.eco-card--self { border-color: var(--line-strong); background: linear-gradient(135deg, rgba(70,226,154,.1), rgba(255,255,255,.03)); }
.eco-tag { font-family: "JetBrains Mono", monospace; font-size: .58rem; letter-spacing: .1em; text-transform: uppercase; color: #04140d; background: var(--emerald-bright); padding: .2rem .5rem; border-radius: 100px; }

/* =================================================================
   WHY
================================================================= */
.why__grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }
.why__points { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.why-point { padding: 1.6rem; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); transition: transform .4s var(--ease), border-color .4s; }
.why-point:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.why-point__no { font-family: "JetBrains Mono", monospace; color: var(--emerald-bright); font-size: .85rem; letter-spacing: .1em; }
.why-point h4 { font-size: 1.1rem; margin: .7rem 0 .45rem; }
.why-point p { color: var(--grey); font-size: .93rem; }

/* =================================================================
   CONTACT
================================================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.contact-card { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem; -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); box-shadow: var(--shadow); overflow: hidden; transition: transform .4s var(--ease), border-color .4s; }
.contact-card:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.contact-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: linear-gradient(90deg, var(--emerald), var(--navy)); }
.contact-card__top { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.4rem; }
.avatar { width: 58px; height: 58px; flex: none; border-radius: 16px; display: grid; place-items: center; font-family: "Bricolage Grotesque", sans-serif; font-weight: 700; font-size: 1.25rem; color: #04140d;
  background: linear-gradient(135deg, var(--emerald-bright), var(--emerald)); }
.avatar--2 { background: linear-gradient(135deg, #6fb6ff, var(--navy)); color: #04140d; }
.contact-card h3 { font-size: 1.35rem; }
.contact-card__role { font-family: "JetBrains Mono", monospace; font-size: .76rem; color: var(--grey); letter-spacing: .03em; margin-top: .2rem; }
.contact-card__meta { display: grid; gap: .7rem; padding: 1.1rem 0; border-block: 1px solid var(--line); margin-bottom: 1.4rem; }
.contact-card__meta div { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.contact-card__meta dt { font-family: "JetBrains Mono", monospace; font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--grey-3); }
.contact-card__meta dd { color: var(--grey-2); font-weight: 500; }
.contact-card__actions { display: flex; flex-wrap: wrap; gap: .6rem; }
.contact-card__actions .btn { flex: 1 1 auto; padding-inline: 1rem; }

.contact-foot { margin-top: 2.2rem; display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; align-items: center; padding: 1.6rem 1.8rem; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); }
.contact-foot__addr { display: flex; gap: .8rem; align-items: flex-start; color: var(--grey-2); }
.contact-foot__addr svg { flex: none; color: var(--emerald-bright); margin-top: 2px; }
.contact-foot__note { color: var(--grey); font-size: .95rem; border-left: 2px solid var(--line-strong); padding-left: 1rem; }

/* =================================================================
   FOOTER
================================================================= */
.footer { border-top: 1px solid var(--line); padding-top: clamp(3rem, 6vw, 4.5rem); margin-top: 2rem; background: linear-gradient(180deg, transparent, rgba(0,0,0,.3)); }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1.3fr; gap: 2.5rem; padding-bottom: 2.5rem; }
.footer__brand .brand { margin-bottom: 1.2rem; }
.footer__legal { font-family: "JetBrains Mono", monospace; font-size: .8rem; color: var(--grey); line-height: 1.9; }
.footer__col h5 { font-family: "JetBrains Mono", monospace; font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--grey-3); margin-bottom: 1rem; font-weight: 500; }
.footer__col a { display: block; color: var(--grey-2); padding: .35rem 0; font-size: .94rem; transition: color .25s, transform .25s; }
.footer__col a:hover { color: var(--emerald-bright); transform: translateX(4px); }
.footer__bar { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-block: 1.6rem; border-top: 1px solid var(--line); font-size: .82rem; color: var(--grey-3); font-family: "JetBrains Mono", monospace; }

/* =================================================================
   PROCESS FLOW (waste to renewable fuel)
================================================================= */
.flow-block { margin-top: clamp(2.5rem, 5vw, 3.5rem); padding: clamp(1.8rem, 4vw, 2.8rem); border-radius: 28px; border: 1px solid var(--line); background: var(--surface); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); box-shadow: var(--shadow); }
.flow-block__title { font-size: clamp(1.4rem, 2.6vw, 2rem); margin-bottom: 1.8rem; }
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: .9rem; counter-reset: flow; }
.flow__step { position: relative; display: flex; flex-direction: column; gap: .7rem; padding: 1.1rem 1.1rem 1.2rem; border-radius: var(--radius-s); background: rgba(7,16,12,.5); border: 1px solid var(--line); transition: transform .35s var(--ease), border-color .35s; }
.flow__step:hover { transform: translateY(-4px); border-color: var(--line-strong); }
/* connector arrows between steps on the same row */
.flow__step::after { content: "→"; position: absolute; right: -.78rem; top: 50%; transform: translateY(-50%); color: var(--emerald); font-size: 1rem; z-index: 2; }
.flow__step:nth-child(4n)::after, .flow__step--end::after { content: none; }
.flow__num { width: 34px; height: 34px; flex: none; display: grid; place-items: center; border-radius: 10px; font-family: "JetBrains Mono", monospace; font-weight: 500; font-size: .9rem; color: #04140d;
  background: linear-gradient(135deg, var(--emerald-bright), var(--emerald)); }
.flow__step--end .flow__num { background: linear-gradient(135deg, #6fb6ff, var(--navy)); }
.flow__label { font-family: "Hanken Grotesk", sans-serif; font-weight: 600; color: var(--grey-2); font-size: .92rem; line-height: 1.35; }
.flow-block__note { color: var(--grey); margin-top: 1.6rem; font-size: .98rem; max-width: 75ch; border-left: 2px solid var(--line-strong); padding-left: 1.1rem; }

/* =================================================================
   ACADEMY — compact / secondary variant
================================================================= */
.section--tight { padding-block: clamp(3rem, 6vw, 5rem); }
.academy--compact { grid-template-columns: 1.6fr .8fr; padding: clamp(1.8rem, 4vw, 2.6rem); border-radius: 24px; align-items: center; }
.academy__title { font-size: clamp(1.3rem, 2.4vw, 1.7rem); margin-bottom: .8rem; }
.academy__text { color: var(--grey); font-size: 1rem; max-width: 60ch; margin-bottom: 1.4rem; }
.btn--sm { padding: .6rem 1.1rem; font-size: .9rem; }

/* =================================================================
   SCROLL REVEAL
================================================================= */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in-view { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }
.reveal[data-delay="4"] { transition-delay: .4s; }

/* =================================================================
   RESPONSIVE
================================================================= */
@media (max-width: 980px) {
  .nav { position: fixed; inset: 0 0 0 auto; width: min(78vw, 320px); flex-direction: column; align-items: stretch; justify-content: center; gap: .4rem;
    background: rgba(7,16,12,.96); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); border-left: 1px solid var(--line); padding: 2rem; transform: translateX(100%); transition: transform .4s var(--ease); }
  .nav.open { transform: translateX(0); }
  .nav a { font-size: 1.2rem; padding: .8rem 1rem; }
  .nav a::after { display: none; }
  .hamburger { display: flex; z-index: 101; }
  .header__cta { display: none; }

  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { order: -1; max-width: 380px; margin-inline: auto; }
  .hero__sub { max-width: none; }
  .about__grid, .innov__grid, .why__grid, .academy, .academy--compact { grid-template-columns: 1fr; }
  .academy__pills { display: none; }
  .cards, .eco-grid { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .flow__step:nth-child(4n)::after { content: "→"; }
  .flow__step:nth-child(2n)::after, .flow__step--end::after { content: none; }
}

@media (max-width: 640px) {
  body { font-size: 1rem; }
  .cards, .eco-grid, .why__points, .contact-grid, .contact-foot, .footer__grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; gap: .7rem; }
  .flow__step::after { content: none !important; }
  .flow__step { flex-direction: row; align-items: center; }
  .footer__bar { flex-direction: column; }
  .hero { min-height: auto; }
  .hero__chip { display: none; }
  .contact-card__meta div { flex-direction: column; gap: .15rem; }
  .scroll-cue { display: none; }
}

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