/* =========================================================
   ATUSA ENERGY — STYLESHEET
   Design system: deep forest green + amber energy accent + sky
   blue for the solar motif, set in Manrope (display) / Inter (body).
   ========================================================= */

:root {
  /* Brand palette */
  --ink: #0a1f18;
  --forest-900: #0c2b21;
  --forest-700: #0f4536;
  --emerald-600: #12805c;
  --mint-500: #1fb976;
  --mint-300: #6fe3ab;
  --mint-100: #e6f8ee;
  --amber-500: #f0a93a;
  --amber-100: #fdf1de;
  --sky-500: #2f8fe0;
  --sky-100: #e8f3fd;

  --gray-900: #101714;
  --gray-700: #40493f;
  --gray-500: #707b71;
  --gray-300: #dbe3dc;
  --gray-200: #eaf0e9;
  --gray-100: #f5f8f4;
  --white: #ffffff;

  --text-main: var(--gray-900);
  --text-muted: var(--gray-500);
  --bg-body: var(--white);

  --shadow-sm: 0 2px 10px rgba(10, 31, 24, 0.06);
  --shadow-md: 0 16px 36px rgba(10, 31, 24, 0.10);
  --shadow-lg: 0 30px 60px rgba(10, 31, 24, 0.16);
  --shadow-glow: 0 0 0 1px rgba(31, 185, 118, 0.12), 0 20px 40px rgba(18, 128, 92, 0.18);

  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;

  --container-width: 1180px;
  --nav-height: 80px;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-soft: cubic-bezier(.16, .8, .3, 1);

  --font-display: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* ---------- Reset ---------- */
* , *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text-main);
  background: var(--bg-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, h5 {
  margin: 0 0 .5em;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-family: var(--font-display);
  color: var(--gray-900);
}
p { margin: 0 0 1em; color: var(--text-muted); }
button { font: inherit; }
::selection { background: var(--mint-300); color: var(--ink); }

.section-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--emerald-600);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--mint-500);
  border-radius: 2px;
}
.eyebrow-light { color: var(--mint-300); }
.eyebrow-light::before { background: var(--mint-300); }

.section-heading { max-width: 620px; margin: 0 auto 60px; text-align: center; }
.section-heading .eyebrow { justify-content: center; }
.section-heading h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
.section-subtext { font-size: 1.06rem; }

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 30px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-family: var(--font-display);
  font-size: 0.96rem;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
  border: 1.5px solid transparent;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent, rgba(255,255,255,.35), transparent);
  transform: translateX(-120%);
  transition: transform .6s var(--ease-soft);
  z-index: -1;
}
.btn:hover::before { transform: translateX(120%); }

.btn-primary {
  background: linear-gradient(135deg, var(--emerald-600), var(--forest-700));
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: var(--shadow-glow); }
.btn-outline {
  background: var(--white);
  color: var(--forest-700);
  border-color: var(--gray-300);
}
.btn-outline:hover { border-color: var(--mint-500); background: var(--mint-100); transform: translateY(-3px); }
.btn-nav { padding: 11px 22px; font-size: 0.88rem; }
.btn-light {
  background: var(--white);
  color: var(--forest-900);
}
.btn-light:hover { transform: translateY(-3px); box-shadow: 0 20px 40px rgba(0,0,0,.25); }

/* =========================================================
   NAVBAR
   ========================================================= */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background .35s var(--ease), box-shadow .35s var(--ease), height .35s var(--ease), border-color .35s;
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  box-shadow: var(--shadow-sm);
  height: 70px;
  border-bottom-color: var(--gray-200);
}
.nav-container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--gray-900);
  flex-shrink: 0;
}
.logo-accent { color: var(--mint-500); }
.logo-icon {
  height: 40px;
  width: auto;
  display: block;
}

.nav-links {
  position: relative;
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 auto;
}
.nav-pill {
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  border-radius: var(--radius-pill);
  background: var(--mint-100);
  transition: transform .35s var(--ease-soft), width .35s var(--ease-soft), opacity .25s;
  z-index: 0;
  opacity: 0;
}
.nav-link {
  position: relative;
  z-index: 1;
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--gray-700);
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  transition: color .25s;
}
.nav-link:hover, .nav-link.active-link { color: var(--forest-700); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1100;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--gray-900);
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   HERO SECTION
   ========================================================= */
.hero {
  position: relative;
  padding: 30px 0 30px;
  background: linear-gradient(180deg, var(--sky-100) 0%, var(--white) 65%);
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 69, 54, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 69, 54, .05) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 70% 55% at 50% 0%, black 20%, transparent 75%);
          mask-image: radial-gradient(ellipse 70% 55% at 50% 0%, black 20%, transparent 75%);
  pointer-events: none;
}
.hero-container {
  position: relative;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 56px 24px 24px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 48px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--white);
  border: 1px solid var(--gray-300);
  padding: 8px 16px 8px 12px;
  border-radius: var(--radius-pill);
  font-size: .82rem;
  font-weight: 600;
  color: var(--forest-700);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}
.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--mint-500);
  box-shadow: 0 0 0 0 rgba(31, 185, 118, .6);
  animation: pulse-dot 2.2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 rgba(31, 185, 118, .55); }
  70% { box-shadow: 0 0 0 7px rgba(31, 185, 118, 0); }
  100% { box-shadow: 0 0 0 0 rgba(31, 185, 118, 0); }
}

.hero-text h1 {
  font-size: clamp(2.3rem, 4.6vw, 3.5rem);
  color: var(--gray-900);
}
.highlight {
  background: linear-gradient(100deg, var(--emerald-600), var(--mint-500) 60%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-subtext { font-size: 1.12rem; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin: 30px 0 44px; }

.hero-stats { display: flex; gap: 44px; }
.stat { display: flex; flex-direction: column; }
.stat strong { font-family: var(--font-display); font-size: 1.7rem; font-weight: 800; color: var(--forest-700); }
.stat span { font-size: 0.85rem; color: var(--text-muted); }

/* ---------- Hero graphic scene ---------- */
.hero-graphic {
  position: relative;
  height: 440px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #cfeaff 0%, #eaf7f0 100%);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform-style: preserve-3d;
  perspective: 1000px;
}
.scene-layer { position: absolute; inset: 0; }
.scene-back { transition: transform .2s var(--ease-soft); }
.scene-mid { transition: transform .2s var(--ease-soft); }
.scene-front { transition: transform .2s var(--ease-soft); }

.sky-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 78% 18%, rgba(255, 200, 87, .5), transparent 55%);
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: .55;
}
.blob-a { width: 180px; height: 180px; top: -40px; left: -30px; background: var(--sky-500); opacity: .25; }
.blob-b { width: 220px; height: 220px; bottom: -60px; right: -40px; background: var(--mint-500); opacity: .22; }

.hill {
  position: absolute;
  left: -10%;
  width: 120%;
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
}
.hill-back {
  bottom: 40px;
  height: 90px;
  background: linear-gradient(180deg, #d7efe0, #c3e6d1);
}
.hill-front {
  bottom: 0;
  height: 66px;
  background: linear-gradient(180deg, var(--mint-100), #c9ecd9);
  border-top: 2px solid rgba(18, 128, 92, .18);
}

/* --- Sun with animated rays: "sun rays hitting the panel" effect --- */
.sun {
  position: absolute;
  top: 30px; right: 44px;
  width: 74px; height: 74px;
}
.sun-core {
  position: absolute;
  inset: 16px;
  background: radial-gradient(circle at 35% 30%, #ffe19b, var(--amber-500));
  border-radius: 50%;
  box-shadow: 0 0 34px 10px rgba(240, 169, 58, .5);
}
.sun-rays {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background:
    repeating-conic-gradient(from 0deg, rgba(240, 169, 58, .5) 0deg 4deg, transparent 4deg 18deg);
  animation: spin-rays 14s linear infinite;
  -webkit-mask: radial-gradient(circle, transparent 40%, black 41%, black 60%, transparent 61%);
          mask: radial-gradient(circle, transparent 40%, black 41%, black 60%, transparent 61%);
}
@keyframes spin-rays { to { transform: rotate(360deg); } }

/* --- Wind Turbine: tower fixed, blades spin continuously --- */
.turbine {
  position: absolute;
  left: 13%;
  bottom: 62px;
  width: 10px;
}
.turbine-tower {
  width: 7px;
  height: 210px;
  margin: 0 auto;
  background: linear-gradient(90deg, var(--gray-300), var(--white) 45%, var(--gray-300));
  border-radius: 4px 4px 2px 2px;
  clip-path: polygon(20% 0%, 80% 0%, 100% 100%, 0% 100%);
}
.turbine-shadow {
  width: 90px;
  height: 10px;
  margin: -2px auto 0;
  transform: translateX(-4px);
  background: radial-gradient(ellipse at center, rgba(15,69,54,.18), transparent 70%);
  border-radius: 50%;
}
.turbine-nacelle {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-2px);
  width: 26px;
  height: 12px;
  background: linear-gradient(180deg, var(--white), var(--gray-300));
  border-radius: 6px 3px 3px 6px;
  box-shadow: var(--shadow-sm);
  z-index: 3;
}
.turbine-blades {
  position: absolute;
  top: -11px;
  left: 50%;
  width: 4px;
  height: 4px;
  animation: spin-turbine 3.6s linear infinite;
  transform-origin: center center;
}
.turbine-hub {
  position: absolute;
  top: -5px; left: -5px;
  width: 14px; height: 14px;
  background: radial-gradient(circle at 35% 30%, var(--white), var(--gray-500));
  border-radius: 50%;
  z-index: 2;
  box-shadow: var(--shadow-sm);
}
.blade {
  position: absolute;
  top: -4px;
  left: -1px;
  width: 8px;
  height: 96px;
  background: linear-gradient(180deg, var(--white), var(--gray-300) 85%);
  clip-path: polygon(45% 0%, 55% 0%, 100% 92%, 50% 100%, 0% 92%);
  transform-origin: top center;
  filter: drop-shadow(0 2px 4px rgba(10,31,24,.15));
}
.blade1 { transform: rotate(0deg); }
.blade2 { transform: rotate(120deg); }
.blade3 { transform: rotate(240deg); }
@keyframes spin-turbine { to { transform: rotate(360deg); } }

/* --- Solar Panel: tilted panel with glass reflection + gleam sweep --- */
.solar-panel {
  position: absolute;
  right: 15%;
  bottom: 66px;
  width: 132px;
}
.panel-frame {
  position: relative;
  height: 82px;
  transform: perspective(420px) rotateX(38deg) rotateZ(-4deg);
  transform-style: preserve-3d;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.panel-grid {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 3px;
  padding: 6px;
  background: linear-gradient(160deg, #123b63, #0a2440);
  border: 3px solid var(--gray-200);
  border-radius: 8px;
}
.panel-grid span {
  background: linear-gradient(135deg, #2464a0, #14395e);
  border-radius: 2px;
}
.panel-gleam {
  position: absolute;
  top: 0; left: -60%;
  width: 35%; height: 100%;
  background: linear-gradient(115deg, transparent, rgba(255, 255, 255, .8), transparent);
  transform: skewX(-20deg);
  animation: gleam-sweep 3.6s ease-in-out infinite;
  filter: blur(1px);
}
@keyframes gleam-sweep {
  0%   { left: -60%; opacity: 0; }
  18%  { opacity: 1; }
  55%  { left: 130%; opacity: 0; }
  100% { left: 130%; opacity: 0; }
}
.panel-stand {
  width: 8px;
  height: 30px;
  margin: -2px auto 0;
  background: linear-gradient(90deg, var(--gray-300), var(--white), var(--gray-300));
  border-radius: 3px;
}
.panel-shadow {
  width: 110px;
  height: 10px;
  margin: -2px auto 0;
  background: radial-gradient(ellipse at center, rgba(15,69,54,.18), transparent 70%);
  border-radius: 50%;
}

/* ---------- Floating HUD chips over the hero scene ---------- */
.hud-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px) saturate(160%);
  -webkit-backdrop-filter: blur(10px) saturate(160%);
  border: 1px solid rgba(255,255,255,.6);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  animation: float-chip 5s ease-in-out infinite;
}
.hud-chip strong { display: block; font-family: var(--font-display); font-size: .85rem; color: var(--gray-900); }
.hud-chip span { font-size: .72rem; color: var(--text-muted); }
.hud-chip-output { top: 24px; left: 22px; animation-delay: 0s; }
.hud-chip-storage { bottom: 22px; right: 22px; animation-delay: .6s; }
.hud-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--mint-500);
  box-shadow: 0 0 0 0 rgba(31,185,118,.6);
  animation: pulse-dot 2.2s ease-in-out infinite;
}
@keyframes float-chip {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hud-mini-battery {
  width: 16px; height: 26px;
  border: 2px solid var(--gray-500);
  border-radius: 3px;
  display: flex; align-items: flex-end; overflow: hidden;
  position: relative;
}
.hud-mini-fill {
  width: 100%;
  height: 0%;
  background: linear-gradient(180deg, var(--mint-500), var(--emerald-600));
  transition: height 2s var(--ease-soft);
}

/* Scroll indicator */
.scroll-indicator { position: absolute; left: 50%; bottom: 16px; transform: translateX(-50%); opacity: .7; }
.scroll-mouse { display: block; width: 24px; height: 38px; border: 2px solid var(--gray-500); border-radius: 14px; position: relative; }
.scroll-dot {
  position: absolute; top: 6px; left: 50%; width: 4px; height: 8px; margin-left: -2px;
  background: var(--mint-500); border-radius: 2px;
  animation: scroll-bounce 1.8s ease-in-out infinite;
}
@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(10px); opacity: 0; }
}

/* =========================================================
   ABOUT SECTION
   ========================================================= */
.about { padding: 120px 0; background: var(--white); }
.about-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 64px; align-items: center; }
.about-text h2 { font-size: clamp(1.9rem, 3.2vw, 2.5rem); }
.about-text p { font-size: 1.04rem; }
.about-text strong { color: var(--gray-900); }

.about-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 36px; }
.fact-card {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.fact-card:hover { border-color: var(--mint-500); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.fact-label { font-size: .74rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text-muted); font-weight: 700; }
.fact-value { font-family: var(--font-display); font-size: 1.02rem; font-weight: 700; color: var(--gray-900); }

/* ---------- Battery showcase (About section) ---------- */
.about-visual { display: flex; justify-content: center; }
.battery-showcase {
  position: relative;
  background: linear-gradient(180deg, var(--forest-900), var(--ink));
  border-radius: var(--radius-lg);
  padding: 46px 48px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.battery-showcase::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 0%, rgba(31,185,118,.28), transparent 60%);
  pointer-events: none;
}
.battery-badge {
  font-family: var(--font-display);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mint-300);
  background: rgba(31,185,118,.14);
  border: 1px solid rgba(31,185,118,.3);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}
.battery-caption { color: #a9cdb8; font-weight: 500; margin: 0; }

/* Battery shell: capsule body with 5 segmented cells that light up sequentially */
.battery { display: flex; flex-direction: column; align-items: center; position: relative; }
.battery-cap {
  width: 34px; height: 12px;
  background: var(--gray-300);
  border-radius: 6px 6px 0 0;
}
.battery-body {
  position: relative;
  width: 92px;
  height: 172px;
  border: 3px solid var(--gray-300);
  border-radius: 16px;
  background: rgba(255,255,255,.04);
  display: flex;
  flex-direction: column-reverse;
  gap: 6px;
  padding: 8px;
  overflow: hidden;
}
.battery-cells { display: flex; flex-direction: column-reverse; gap: 6px; width: 100%; height: 100%; }
.cell {
  flex: 1;
  border-radius: 5px;
  background: rgba(255,255,255,.06);
  transition: background .5s var(--ease-soft), box-shadow .5s var(--ease-soft);
}
.cell.lit {
  background: linear-gradient(180deg, var(--mint-300), var(--emerald-600));
  box-shadow: 0 0 12px rgba(31,185,118,.55);
}
.battery-percent {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
}

/* Small inline battery used in the Services card */
.battery-small { transform: scale(0.62); margin: -18px -20px -18px 0; }
.battery-small .battery-body { width: 92px; height: 172px; }
.battery-small .battery-cap { background: var(--gray-500); }

/* =========================================================
   SERVICES SECTION
   ========================================================= */
.services { padding: 120px 0; background: var(--gray-100); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.service-card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 38px 32px;
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: transform .4s var(--ease-soft), box-shadow .4s var(--ease-soft), border-color .4s;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--mint-500), var(--sky-500));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s var(--ease-soft);
}
.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover .service-icon { transform: scale(1.08) rotate(-4deg); }
.service-card h3 { font-size: 1.22rem; color: var(--gray-900); }
.service-card p { font-size: .97rem; margin-bottom: 0; }
.service-index {
  position: absolute;
  top: 14px; right: 20px;
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--gray-100);
  -webkit-text-stroke: 1px var(--gray-200);
  line-height: 1;
}
.service-card-wide {
  grid-column: span 2;
  display: flex;
  align-items: center;
  gap: 30px;
  justify-content: space-between;
  flex-wrap: wrap;
}
.service-card-wide-text { flex: 1; min-width: 200px; }
.service-card-wide h3 { margin-bottom: .4em; }

.service-icon {
  width: 60px; height: 60px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
  color: var(--white);
  transition: transform .4s var(--ease-soft);
  box-shadow: var(--shadow-sm);
}
.icon-renewable { background: linear-gradient(135deg, var(--mint-500), var(--emerald-600)); }
.icon-investment { background: linear-gradient(135deg, var(--sky-500), #1c5f9c); }
.icon-development { background: linear-gradient(135deg, #4c9f70, var(--forest-900)); }
.icon-consultancy { background: linear-gradient(135deg, #6aa9e0, var(--sky-500)); }
.icon-implementation { background: linear-gradient(135deg, var(--amber-500), #d6821c); }

/* Mini spinning turbine icon used on the Renewable Energy card */
.mini-turbine { position: relative; width: 4px; height: 4px; animation: spin-turbine 3s linear infinite; }
.mini-blade {
  position: absolute; top: -2px; left: -1px;
  width: 4px; height: 22px;
  background: var(--white);
  border-radius: 40% 40% 50% 50%;
  transform-origin: top center;
}
.mini-blade:nth-child(1) { transform: rotate(0deg); }
.mini-blade:nth-child(2) { transform: rotate(120deg); }
.mini-blade:nth-child(3) { transform: rotate(240deg); }

/* =========================================================
   CONTACT SECTION
   ========================================================= */
.contact { padding: 120px 0; background: var(--white); }
.contact-panel {
  position: relative;
  background: linear-gradient(155deg, var(--forest-900), var(--ink));
  border-radius: var(--radius-lg);
  padding: 64px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.contact-panel-glow {
  position: absolute;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(31,185,118,.35), transparent 65%);
  top: -160px; right: -120px;
  pointer-events: none;
}
.contact-panel-text { position: relative; }
.contact-panel-text h2 { color: var(--white); font-size: clamp(1.8rem, 3vw, 2.3rem); }
.contact-panel-text p { color: #b7d6c4; max-width: 420px; font-size: 1.02rem; }

.contact-grid { position: relative; display: grid; gap: 14px; }
.contact-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  backdrop-filter: blur(6px);
  transition: background .25s, border-color .25s;
}
.contact-card:hover { background: rgba(255,255,255,.1); border-color: rgba(31,185,118,.4); }
.contact-card h4 { margin-bottom: 6px; color: var(--mint-300); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; font-family: var(--font-display); }
.contact-card p { margin: 0; color: var(--white); font-weight: 600; }

/* =========================================================
   FOOTER
   ========================================================= */
.footer { background: var(--ink); color: #cfe8db; padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 50px; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.footer-logo { color: var(--white); margin-bottom: 14px; }
.footer-logo .logo-icon { height: 44px; }
.footer-brand p { color: #9dc2ab; max-width: 260px; }
.footer-col h5 { color: var(--white); font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 18px; font-family: var(--font-display); }
.footer-col p, .footer-col a { display: block; color: #9dc2ab; margin-bottom: 11px; font-size: .93rem; transition: color .2s, transform .2s; }
.footer-col a:hover { color: var(--mint-300); transform: translateX(2px); }
.footer-bottom { padding: 24px; text-align: center; font-size: .85rem; color: #6f9880; }

/* =========================================================
   SCROLL-REVEAL ANIMATION (JS toggles .in-view via IntersectionObserver)
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .8s var(--ease-soft), transform .8s var(--ease-soft);
  transition-delay: var(--reveal-delay, 0s);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 980px) {
  .hero-container { grid-template-columns: 1fr; }
  .hero-graphic { height: 360px; order: -1; }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { order: -1; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card-wide { grid-column: span 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-panel { grid-template-columns: 1fr; padding: 44px; }
  .btn-nav { display: none; }
}

@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    right: 0;
    height: calc(100vh - var(--nav-height));
    width: min(280px, 75vw);
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 28px;
    gap: 8px;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform .4s var(--ease-soft);
    margin: 0;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-pill { display: none; }
  .nav-link { width: 100%; padding: 12px 16px; }

  .hero-stats { gap: 26px; flex-wrap: wrap; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card-wide { grid-column: span 1; flex-direction: column; text-align: center; }
  .battery-small { margin: 0; transform: scale(0.75); }
  .about-facts { grid-template-columns: 1fr 1fr; }
  .contact-panel { padding: 34px 24px; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-brand p { margin: 0 auto; }
  .hud-chip { padding: 8px 12px; }
}

@media (max-width: 480px) {
  .hero-graphic { height: 300px; }
  .solar-panel { width: 104px; right: 10%; }
  .panel-frame { height: 66px; }
  .turbine-tower { height: 160px; }
  .blade { height: 72px; }
  .hud-chip-output { left: 12px; top: 12px; }
  .hud-chip-storage { right: 12px; bottom: 12px; }
}

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}