:root {
  --navy: #102a43;
  --navy-dark: #071c2d;
  --blue: #247ba0;
  --blue-light: #e9f6fb;
  --cyan: #5bc0de;
  --green: #3f8f6b;
  --green-dark: #286148;
  --green-light: #eaf6ef;
  --gold: #f4b942;
  --orange: #ef8b3a;
  --red: #d95d59;
  --white: #ffffff;
  --off-white: #f7fafc;
  --gray-100: #edf2f7;
  --gray-200: #dfe7ee;
  --gray-300: #cbd5df;
  --gray-500: #6b7c8f;
  --gray-700: #374b5e;
  --text: #203346;
  --shadow-soft: 0 12px 35px rgba(16, 42, 67, 0.1);
  --shadow-medium: 0 20px 55px rgba(16, 42, 67, 0.16);
  --radius-small: 12px;
  --radius-medium: 20px;
  --radius-large: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--off-white);
  color: var(--text);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.6;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  padding: 14px clamp(22px, 5vw, 80px);
  border-bottom: 1px solid rgba(16, 42, 67, 0.08);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 25px rgba(16, 42, 67, 0.05);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 15px;
  background:
    linear-gradient(
      135deg,
      var(--navy) 0%,
      var(--blue) 55%,
      var(--cyan) 100%
    );
  box-shadow: 0 8px 18px rgba(36, 123, 160, 0.24);
  color: var(--white);
  font-size: 16px;
  font-weight: 900;
  letter-spacing: -1px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  color: var(--navy);
  font-size: 20px;
  font-weight: 850;
  letter-spacing: -0.5px;
}

.brand-tagline {
  margin-top: 4px;
  color: var(--gray-500);
  font-size: 12px;
  font-weight: 650;
}

.main-navigation {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 36px);
}

.main-navigation a {
  position: relative;
  color: var(--gray-700);
  font-size: 14px;
  font-weight: 750;
  transition:
    color 0.2s ease,
    transform 0.2s ease;
}

.main-navigation a::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 2px;
  border-radius: 10px;
  background: var(--blue);
  content: "";
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
}

.main-navigation a:hover,
.main-navigation a:focus-visible {
  color: var(--blue);
}

.main-navigation a:hover::after,
.main-navigation a:focus-visible::after {
  transform: scaleX(1);
}

.menu-button {
  display: none;
  width: 45px;
  height: 42px;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  background: var(--white);
  color: var(--navy);
  cursor: pointer;
  font-size: 22px;
  font-weight: 800;
}

.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(500px, 1.15fr);
  align-items: center;
  gap: clamp(32px, 5vw, 70px);
  width: min(1500px, calc(100% - 48px));
  min-height: calc(100vh - 82px);
  margin: 0 auto;
  padding: clamp(60px, 8vw, 105px) 0;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 1.6px;
  text-transform: uppercase;
}

.hero-content h1 {
  max-width: 720px;
  margin: 0;
  color: var(--navy);
  font-size: clamp(42px, 5vw, 74px);
  font-weight: 900;
  letter-spacing: -3px;
  line-height: 1.02;
}

.hero-description {
  max-width: 660px;
  margin: 26px 0 0;
  color: var(--gray-700);
  font-size: clamp(17px, 1.4vw, 20px);
  line-height: 1.75;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.primary-button,
.secondary-button,
.light-button,
.model-link,
.disabled-model-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 13px 22px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 800;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.primary-button {
  border: 1px solid var(--blue);
  background:
    linear-gradient(
      135deg,
      var(--navy) 0%,
      var(--blue) 100%
    );
  box-shadow: 0 12px 24px rgba(36, 123, 160, 0.2);
  color: var(--white);
}

.primary-button:hover,
.primary-button:focus-visible {
  box-shadow: 0 16px 30px rgba(36, 123, 160, 0.3);
  transform: translateY(-2px);
}

.secondary-button {
  border: 1px solid var(--gray-300);
  background: var(--white);
  color: var(--navy);
}

.secondary-button:hover,
.secondary-button:focus-visible {
  border-color: var(--blue);
  box-shadow: var(--shadow-soft);
  color: var(--blue);
  transform: translateY(-2px);
}

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-highlights span {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 35px;
  padding: 8px 12px 8px 30px;
  border: 1px solid rgba(63, 143, 107, 0.17);
  border-radius: 999px;
  background: var(--green-light);
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 750;
}

.hero-highlights span::before {
  position: absolute;
  left: 12px;
  color: var(--green);
  content: "✓";
  font-weight: 900;
}

.hero-visual {
  position: relative;
  overflow: hidden;
  min-height: 480px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-large);
  background: var(--navy-dark);
  box-shadow: var(--shadow-medium);
  isolation: isolate;
}

.hero-visual::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(
      180deg,
      rgba(2, 17, 30, 0.02) 40%,
      rgba(2, 17, 30, 0.22) 100%
    );
  content: "";
  pointer-events: none;
}

.hero-image {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 480px;
  object-fit: cover;
  object-position: center;
  transition: transform 0.7s ease;
}

.hero-visual:hover .hero-image {
  transform: scale(1.025);
}

.models-section,
.how-section,
.teacher-section,
.about-section,
.final-callout {
  width: min(1280px, calc(100% - 48px));
  margin-right: auto;
  margin-left: auto;
}

.models-section {
  padding: 100px 0;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 42px;
}

.section-heading h2,
.teacher-content h2,
.about-section h2,
.final-callout h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 900;
  letter-spacing: -1.7px;
  line-height: 1.1;
}

.section-heading p:not(.eyebrow) {
  max-width: 650px;
  margin: 14px 0 0;
  color: var(--gray-500);
  font-size: 17px;
}

.centered-heading {
  justify-content: center;
  text-align: center;
}

.model-count {
  flex: 0 0 auto;
  padding: 9px 14px;
  border: 1px solid rgba(36, 123, 160, 0.18);
  border-radius: 999px;
  background: var(--blue-light);
  color: var(--blue);
  font-size: 13px;
  font-weight: 850;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.model-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-medium);
  background: var(--white);
  box-shadow: var(--shadow-soft);
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    border-color 0.25s ease;
}

.model-card:hover {
  border-color: rgba(36, 123, 160, 0.35);
  box-shadow: var(--shadow-medium);
  transform: translateY(-7px);
}

.model-preview,
.coming-soon-preview {
  position: relative;
  overflow: hidden;
  height: 235px;
}

.fish-preview {
  background:
    linear-gradient(
      180deg,
      #bdeaf4 0%,
      #6ec4d7 42%,
      #267f9f 100%
    );
}

.water-surface {
  position: absolute;
  top: 24px;
  right: -10%;
  left: -10%;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.56);
  box-shadow:
    0 10px 0 rgba(255, 255, 255, 0.14),
    0 20px 0 rgba(255, 255, 255, 0.08);
}

.tank-floor {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 32px;
  background:
    radial-gradient(circle at 15% 40%, #d9c187 0 5px, transparent 6px),
    radial-gradient(circle at 45% 65%, #b89c65 0 4px, transparent 5px),
    radial-gradient(circle at 72% 35%, #f1d79d 0 6px, transparent 7px),
    #91794d;
}

.fish {
  position: absolute;
  width: 78px;
  height: 40px;
  animation: floatFish 4.8s ease-in-out infinite;
}

.fish-one {
  top: 75px;
  left: 18%;
}

.fish-two {
  top: 135px;
  left: 54%;
  animation-delay: -1.2s;
  transform: scale(0.82);
}

.fish-three {
  top: 62px;
  left: 68%;
  animation-delay: -2.1s;
  transform: scale(0.65);
}

.fish-body {
  position: absolute;
  top: 7px;
  left: 18px;
  width: 52px;
  height: 29px;
  border-radius: 55% 45% 45% 55%;
  background: linear-gradient(135deg, #f6c95f, var(--orange));
  box-shadow: inset 0 -5px 0 rgba(111, 62, 17, 0.12);
}

.fish-tail {
  position: absolute;
  top: 7px;
  left: 0;
  width: 27px;
  height: 29px;
  background: #f5aa45;
  clip-path: polygon(100% 50%, 0 0, 0 100%);
}

.fish-eye {
  position: absolute;
  top: 14px;
  right: 12px;
  z-index: 2;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--navy-dark);
}

.bubble {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 2px solid rgba(255, 255, 255, 0.75);
  border-radius: 50%;
  animation: riseBubble 4s linear infinite;
}

.bubble-one {
  bottom: 42px;
  left: 23%;
}

.bubble-two {
  bottom: 20px;
  left: 50%;
  width: 8px;
  height: 8px;
  animation-delay: -1.5s;
}

.bubble-three {
  bottom: 55px;
  left: 80%;
  width: 16px;
  height: 16px;
  animation-delay: -2.3s;
}

.available-badge,
.coming-soon-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 4;
  padding: 7px 11px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.available-badge {
  background: rgba(234, 246, 239, 0.95);
  box-shadow: 0 7px 18px rgba(16, 42, 67, 0.13);
  color: var(--green-dark);
}

.coming-soon-badge {
  background: rgba(16, 42, 67, 0.9);
  color: var(--white);
}

.heat-preview {
  background:
    linear-gradient(
      180deg,
      #80c8ed 0%,
      #bce6f5 47%,
      #f6ca79 48%,
      #d8894d 100%
    );
}

.sun {
  position: absolute;
  top: 27px;
  right: 38px;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: #ffd65a;
  box-shadow:
    0 0 0 13px rgba(255, 214, 90, 0.18),
    0 0 34px rgba(255, 194, 62, 0.8);
}

.building {
  position: absolute;
  bottom: 0;
  border: 5px solid rgba(75, 69, 65, 0.25);
  border-bottom: 0;
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0 17px,
      rgba(255, 236, 166, 0.72) 18px 27px
    ),
    repeating-linear-gradient(
      0deg,
      transparent 0 20px,
      rgba(62, 80, 94, 0.23) 21px 26px
    ),
    #647887;
}

.building-one {
  left: 16%;
  width: 105px;
  height: 128px;
}

.building-two {
  right: 15%;
  width: 130px;
  height: 166px;
  background-color: #526776;
}

.tree {
  position: absolute;
  bottom: 0;
  left: 48%;
  width: 14px;
  height: 76px;
  background: #6e4e2f;
}

.tree::before,
.tree::after {
  position: absolute;
  border-radius: 50%;
  background: #398258;
  content: "";
}

.tree::before {
  top: -30px;
  left: -34px;
  width: 82px;
  height: 82px;
}

.tree::after {
  top: -4px;
  left: -47px;
  width: 105px;
  height: 65px;
}

.energy-preview {
  padding: 22px;
  background:
    radial-gradient(
      circle at 90% 10%,
      rgba(83, 201, 255, 0.2),
      transparent 35%
    ),
    linear-gradient(
      145deg,
      #112b3c,
      #173f55
    );
}

.energy-dashboard-preview {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border: 1px solid rgba(122, 219, 255, 0.25);
  border-radius: 15px;
  background: #0b202c;
  box-shadow:
    inset 0 0 25px rgba(50, 177, 225, 0.08),
    0 15px 30px rgba(4, 15, 22, 0.24);
  color: #edfaff;
}

.energy-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 36px;
  padding: 8px 12px;
  border-bottom: 1px solid rgba(122, 219, 255, 0.2);
  background: #102d3d;
  font-size: 10px;
  letter-spacing: 0.8px;
}

.energy-preview-header span {
  padding: 3px 7px;
  border: 1px solid rgba(104, 215, 255, 0.35);
  border-radius: 5px;
  color: #6fd7ff;
}

.energy-preview-body {
  display: grid;
  flex: 1;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 10px;
  padding: 12px;
}

.energy-mini-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.energy-mini-control {
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  min-height: 63px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.035);
}

.energy-mini-control span {
  color: #8bb6c8;
  font-size: 7px;
  font-weight: 800;
  letter-spacing: 0.7px;
}

.energy-mini-control strong {
  margin-top: 2px;
  color: #f7d472;
  font-size: 9px;
}

.energy-mini-knob {
  position: relative;
  display: block;
  width: 22px;
  height: 22px;
  margin: 4px 0;
  border: 3px solid #34566a;
  border-radius: 50%;
  background:
    radial-gradient(
      circle at 40% 35%,
      #7892a1,
      #213b4a 60%
    );
  box-shadow:
    inset 0 0 0 2px #142a37,
    0 3px 7px rgba(0, 0, 0, 0.4);
}

.energy-mini-knob::after {
  position: absolute;
  top: 2px;
  left: 9px;
  width: 2px;
  height: 7px;
  border-radius: 2px;
  background: #f6ce60;
  content: "";
  transform-origin: 1px 9px;
}

.knob-hydro::after {
  transform: rotate(30deg);
}

.knob-wind::after {
  transform: rotate(72deg);
}

.knob-solar::after {
  transform: rotate(-42deg);
}

.knob-storage::after {
  transform: rotate(-75deg);
}

.energy-output-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 9px;
}

.energy-output-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 5px;
}

.energy-readout {
  padding: 7px 4px;
  border: 1px solid rgba(111, 215, 255, 0.17);
  border-radius: 7px;
  background: rgba(12, 46, 62, 0.8);
  text-align: center;
}

.energy-readout small,
.energy-readout strong {
  display: block;
}

.energy-readout small {
  color: #7fa8b9;
  font-size: 6px;
  letter-spacing: 0.5px;
}

.energy-readout strong {
  color: #edfaff;
  font-size: 11px;
}

.energy-status-readout strong {
  color: #72db93;
  font-size: 9px;
}

.energy-gauge-bank {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 5px;
}

.energy-gauge-bank > div {
  text-align: center;
}

.energy-gauge-bank small {
  display: block;
  margin-top: 4px;
  color: #789dad;
  font-size: 5px;
  letter-spacing: 0.2px;
}

.energy-mini-gauge {
  position: relative;
  display: block;
  width: 29px;
  height: 15px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 29px 29px 0 0;
  background:
    conic-gradient(
      from 270deg at 50% 100%,
      #dc604f 0deg,
      #f0cf62 55deg,
      #58c880 115deg,
      #223c49 116deg
    );
}

.energy-mini-gauge::after {
  position: absolute;
  right: 5px;
  bottom: -5px;
  left: 5px;
  height: 10px;
  border-radius: 50%;
  background: #0b202c;
  content: "";
}

.energy-preview-footer {
  padding: 7px 10px;
  border-top: 1px solid rgba(122, 219, 255, 0.18);
  background: #102d3d;
  color: #6f9caf;
  font-size: 6px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-align: center;
}

.wildfire-preview {
  padding: 22px;
  background:
    radial-gradient(
      circle at 78% 22%,
      rgba(255, 105, 35, 0.36),
      transparent 28%
    ),
    linear-gradient(
      145deg,
      #512313,
      #23170f
    );
}

.wildfire-preview-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border: 1px solid rgba(255, 154, 79, 0.3);
  border-radius: 14px;
  background: #20170f;
  box-shadow:
    inset 0 0 25px rgba(255, 105, 31, 0.07),
    0 14px 28px rgba(20, 9, 4, 0.35);
}

.wildfire-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  border-bottom: 1px solid rgba(255, 152, 73, 0.24);
  background: #342016;
  color: #ffcf9c;
  font-size: 9px;
  letter-spacing: 0.8px;
}

.wildfire-preview-header span {
  padding: 3px 7px;
  border: 1px solid rgba(255, 99, 46, 0.42);
  border-radius: 5px;
  background: rgba(193, 47, 22, 0.2);
  color: #ff8060;
  font-size: 7px;
}

.wildfire-preview-stage {
  position: relative;
  display: grid;
  flex: 1;
  place-items: center;
  padding: 12px;
}

.wildfire-mini-grid {
  display: grid;
  width: 150px;
  grid-template-columns: repeat(5, 1fr);
  gap: 3px;
  padding: 5px;
  border: 1px solid rgba(255, 179, 98, 0.16);
  border-radius: 7px;
  background: #15130f;
}

.wildfire-cell {
  aspect-ratio: 1;
  border-radius: 2px;
}

.tree-cell {
  background:
    radial-gradient(
      circle at center,
      #295d37 0 38%,
      #183b23 40%
    );
}

.grass-cell {
  background:
    repeating-linear-gradient(
      45deg,
      #9a853a 0 3px,
      #756529 3px 6px
    );
}

.fire-cell {
  background:
    radial-gradient(
      circle at 50% 70%,
      #fff276 0 15%,
      #ff8b28 18% 43%,
      #d83d1f 45% 72%,
      #422017 74%
    );
  box-shadow: 0 0 8px rgba(255, 85, 24, 0.78);
}

.burned-cell {
  background:
    repeating-linear-gradient(
      45deg,
      #302b26 0 4px,
      #191714 4px 8px
    );
}

.wildfire-mini-wind {
  position: absolute;
  top: 18px;
  right: 20px;
  color: #f2b871;
  text-align: center;
}

.wildfire-mini-wind small,
.wildfire-mini-wind strong {
  display: block;
}

.wildfire-mini-wind small {
  font-size: 6px;
  letter-spacing: 0.6px;
}

.wildfire-mini-wind strong {
  font-size: 25px;
  line-height: 1;
}

.wildfire-preview-footer {
  display: flex;
  justify-content: space-between;
  gap: 6px;
  padding: 8px 10px;
  border-top: 1px solid rgba(255, 152, 73, 0.2);
  background: #342016;
  color: #b88d65;
  font-size: 6px;
  font-weight: 800;
  letter-spacing: 0.5px;
}


/* =========================
   WASHINGTON EV EXPLORER
   ========================= */

.ev-model-card .model-preview {
  position: relative;
  overflow: hidden;
}

.ev-preview {
  min-height: 210px;
  background:
    radial-gradient(circle at 20% 20%, rgba(67, 181, 189, 0.18), transparent 35%),
    radial-gradient(circle at 80% 25%, rgba(52, 117, 180, 0.18), transparent 30%),
    linear-gradient(180deg, #102936 0%, #0d1f29 100%);
}

.ev-preview-bg-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 72% 58%, rgba(41, 199, 188, 0.18), transparent 18%),
    radial-gradient(circle at 30% 70%, rgba(80, 160, 255, 0.12), transparent 22%);
  pointer-events: none;
}

.ev-preview-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: 0.28;
}

.ev-status-pill {
  position: absolute;
  z-index: 2;
  padding: 6px 10px;
  border: 1px solid rgba(102, 214, 208, 0.22);
  border-radius: 999px;
  background: rgba(10, 25, 34, 0.75);
  color: #bdebea;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.ev-status-one {
  top: 18px;
  left: 18px;
}

.ev-status-two {
  top: 58px;
  right: 18px;
}

.ev-map-mini {
  position: absolute;
  top: 58px;
  left: 18px;
  width: 128px;
  height: 74px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  background: rgba(9, 22, 29, 0.7);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.03);
}

.ev-map-mini::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 10px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.08), transparent),
    rgba(24, 54, 63, 0.82);
}

.ev-map-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #4be0d4;
  box-shadow: 0 0 0 6px rgba(75, 224, 212, 0.14);
  animation: evPulse 2s infinite ease-in-out;
}

.dot-one {
  top: 18px;
  left: 26px;
}

.dot-two {
  top: 28px;
  left: 70px;
  animation-delay: 0.4s;
}

.dot-three {
  top: 48px;
  left: 46px;
  animation-delay: 0.8s;
}

.dot-four {
  top: 22px;
  left: 96px;
  animation-delay: 1.2s;
}

.ev-charger {
  position: absolute;
  right: 82px;
  bottom: 45px;
  width: 64px;
  height: 118px;
  border-radius: 14px;
  background: linear-gradient(180deg, #d9edf1 0%, #90aeb8 100%);
  box-shadow:
    inset 0 0 0 2px rgba(255,255,255,0.4),
    0 10px 22px rgba(0,0,0,0.25);
}

.ev-charger-top {
  position: absolute;
  top: 10px;
  left: 13px;
  width: 38px;
  height: 10px;
  border-radius: 999px;
  background: rgba(14, 45, 57, 0.8);
}

.ev-charger-screen {
  position: absolute;
  top: 28px;
  left: 14px;
  width: 36px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(180deg, #1b7381 0%, #0d3340 100%);
  box-shadow: inset 0 0 10px rgba(73, 236, 224, 0.25);
}

.ev-charger-bolt {
  position: absolute;
  top: 31px;
  left: 0;
  right: 0;
  text-align: center;
  color: #8ff8ef;
  font-size: 18px;
  animation: evBoltFlash 1.6s infinite ease-in-out;
}

.ev-charger-cable {
  position: absolute;
  top: 64px;
  left: -10px;
  width: 46px;
  height: 38px;
  border: 4px solid transparent;
  border-bottom-color: #1c2f39;
  border-left-color: #1c2f39;
  border-radius: 0 0 0 28px;
}

.ev-charger-plug {
  position: absolute;
  left: -8px;
  bottom: 21px;
  width: 16px;
  height: 10px;
  border-radius: 4px;
  background: #1c2f39;
}

.ev-charger-plug::before,
.ev-charger-plug::after {
  content: "";
  position: absolute;
  top: -4px;
  width: 2px;
  height: 5px;
  background: #d4edf0;
}

.ev-charger-plug::before {
  left: 4px;
}

.ev-charger-plug::after {
  right: 4px;
}

.ev-car {
  position: absolute;
  left: 175px;
  bottom: 44px;
  width: 172px;
  height: 64px;
  border-radius: 18px 30px 14px 14px;
  background: linear-gradient(180deg, #32d2d0 0%, #118e95 100%);
  box-shadow:
    inset 0 -8px 0 rgba(0,0,0,0.12),
    0 14px 26px rgba(0,0,0,0.28);
  animation: evCarFloat 3.2s ease-in-out infinite;
}

.ev-car::before {
  content: "";
  position: absolute;
  left: 22px;
  top: -21px;
  width: 102px;
  height: 34px;
  border-radius: 32px 32px 8px 8px;
  background: linear-gradient(180deg, #35d9d7 0%, #15969d 100%);
}

.ev-car-roof {
  position: absolute;
  left: 38px;
  top: -12px;
  width: 78px;
  height: 24px;
  border-radius: 18px 18px 6px 6px;
  background: rgba(9, 33, 45, 0.82);
}

.ev-car-window {
  position: absolute;
  top: 10px;
  height: 18px;
  border-radius: 6px;
  background: rgba(10, 34, 46, 0.72);
}

.ev-window-front {
  left: 84px;
  width: 36px;
}

.ev-window-back {
  left: 49px;
  width: 28px;
}

.ev-car-door-line {
  position: absolute;
  left: 89px;
  top: 18px;
  width: 2px;
  height: 28px;
  background: rgba(255,255,255,0.25);
}

.ev-charge-port {
  position: absolute;
  right: 14px;
  top: 23px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #d5ffff;
  z-index: 2;
}

.ev-charge-ring {
  position: absolute;
  right: 7px;
  top: 16px;
  width: 24px;
  height: 24px;
  border: 2px solid rgba(143, 248, 239, 0.8);
  border-radius: 50%;
  animation: evPulseRing 1.8s infinite ease-out;
}

.ev-wheel {
  position: absolute;
  bottom: -12px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #10212a;
  border: 5px solid #e8f6f7;
  box-shadow: inset 0 0 0 6px #2e4753;
}

.ev-wheel-front {
  right: 18px;
}

.ev-wheel-back {
  left: 20px;
}

.ev-ground-line {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 32px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(195, 233, 238, 0.55), transparent);
}

@keyframes evPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.9;
  }
  50% {
    transform: scale(1.18);
    opacity: 1;
  }
}

@keyframes evPulseRing {
  0% {
    transform: scale(0.9);
    opacity: 0.85;
  }
  70% {
    transform: scale(1.35);
    opacity: 0;
  }
  100% {
    transform: scale(1.35);
    opacity: 0;
  }
}

@keyframes evBoltFlash {
  0%, 100% {
    opacity: 0.65;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.08);
  }
}

@keyframes evCarFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}










.ecosystem-preview {
  background:
    linear-gradient(
      180deg,
      #9fd5ef 0%,
      #d7edf4 55%,
      #a8c985 56%,
      #739d58 100%
    );
}

.ecosystem-hill {
  position: absolute;
  right: -15%;
  bottom: -68px;
  left: -15%;
  height: 180px;
  border-radius: 50% 50% 0 0;
  background: #64904c;
}

.ecosystem-sun {
  position: absolute;
  top: 30px;
  left: 34px;
  width: 55px;
  height: 55px;
  border-radius: 50%;
  background: #f8d465;
  box-shadow: 0 0 25px rgba(248, 212, 101, 0.65);
}

.animal {
  position: absolute;
  z-index: 2;
  color: var(--navy-dark);
  font-size: 26px;
}

.animal-one {
  bottom: 42px;
  left: 24%;
}

.animal-two {
  bottom: 72px;
  left: 51%;
  color: #754f36;
}

.animal-three {
  right: 20%;
  bottom: 34px;
  color: #db9d3f;
}

.model-content {
  padding: 26px;
}

.model-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.subject-tag,
.grade-tag {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.subject-tag {
  background: var(--blue-light);
  color: var(--blue);
}

.grade-tag {
  background: var(--green-light);
  color: var(--green-dark);
}

.model-content h3 {
  margin: 18px 0 10px;
  color: var(--navy);
  font-size: 25px;
  font-weight: 900;
  letter-spacing: -0.7px;
  line-height: 1.15;
}

.model-content > p {
  min-height: 118px;
  margin: 0;
  color: var(--gray-500);
  font-size: 15px;
  line-height: 1.7;
}

.model-features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 22px;
}

.model-features span {
  position: relative;
  padding-left: 18px;
  color: var(--gray-700);
  font-size: 12px;
  font-weight: 700;
}

.model-features span::before {
  position: absolute;
  left: 0;
  color: var(--green);
  content: "✓";
  font-weight: 900;
}

.model-link {
  justify-content: space-between;
  width: 100%;
  margin-top: 26px;
  border: 1px solid rgba(36, 123, 160, 0.2);
  background: var(--blue-light);
  color: var(--blue);
}

.model-link:hover,
.model-link:focus-visible {
  background: var(--blue);
  box-shadow: 0 12px 24px rgba(36, 123, 160, 0.2);
  color: var(--white);
  transform: translateY(-2px);
}

.model-link span {
  font-size: 21px;
}

.disabled-model-button {
  width: 100%;
  margin-top: 26px;
  border: 1px solid var(--gray-200);
  background: var(--gray-100);
  color: var(--gray-500);
  cursor: not-allowed;
}

.how-section {
  padding: 100px 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.step-card {
  position: relative;
  padding: 30px 24px;
  overflow: hidden;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-medium);
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.step-number {
  display: grid;
  width: 45px;
  height: 45px;
  place-items: center;
  border-radius: 14px;
  background:
    linear-gradient(
      135deg,
      var(--navy),
      var(--blue)
    );
  box-shadow: 0 8px 17px rgba(36, 123, 160, 0.2);
  color: var(--white);
  font-size: 17px;
  font-weight: 900;
}

.step-card h3 {
  margin: 22px 0 8px;
  color: var(--navy);
  font-size: 22px;
  font-weight: 900;
}

.step-card p {
  margin: 0;
  color: var(--gray-500);
  font-size: 14px;
  line-height: 1.7;
}

.teacher-section {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 35px;
  padding: 100px 0;
}

.teacher-content,
.teacher-callout {
  border-radius: var(--radius-large);
}

.teacher-content {
  padding: clamp(34px, 5vw, 58px);
  border: 1px solid var(--gray-200);
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.teacher-content > p:not(.eyebrow) {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--gray-500);
  font-size: 17px;
}

.teacher-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 32px;
}

.teacher-feature-grid > div {
  padding: 19px;
  border: 1px solid rgba(36, 123, 160, 0.12);
  border-radius: 16px;
  background: var(--off-white);
}

.teacher-feature-grid strong,
.teacher-feature-grid span {
  display: block;
}

.teacher-feature-grid strong {
  color: var(--navy);
  font-size: 15px;
}

.teacher-feature-grid span {
  margin-top: 6px;
  color: var(--gray-500);
  font-size: 13px;
  line-height: 1.55;
}

.teacher-callout {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(34px, 5vw, 48px);
  background:
    radial-gradient(
      circle at top right,
      rgba(91, 192, 222, 0.2),
      transparent 38%
    ),
    linear-gradient(
      145deg,
      var(--navy-dark),
      var(--navy)
    );
  box-shadow: var(--shadow-medium);
  color: var(--white);
}

.callout-label {
  color: #8fdbef;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.teacher-callout h3 {
  margin: 14px 0 14px;
  font-size: clamp(27px, 3vw, 38px);
  font-weight: 900;
  letter-spacing: -1px;
  line-height: 1.14;
}

.teacher-callout p {
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
  line-height: 1.7;
}

.full-width-button {
  width: 100%;
  margin-top: 26px;
  border-color: var(--cyan);
  background: var(--white);
  color: var(--navy);
}

.full-width-button:hover,
.full-width-button:focus-visible {
  background: var(--cyan);
  color: var(--navy-dark);
}

.about-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
  gap: 60px;
  padding: 100px 0;
}

.about-section > p {
  margin: 0;
  padding: 30px;
  border-left: 5px solid var(--blue);
  border-radius: 0 18px 18px 0;
  background: var(--white);
  box-shadow: var(--shadow-soft);
  color: var(--gray-700);
  font-size: 17px;
  line-height: 1.8;
}

.final-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 35px;
  margin-bottom: 100px;
  padding: clamp(34px, 5vw, 56px);
  border-radius: var(--radius-large);
  background:
    radial-gradient(
      circle at 90% 10%,
      rgba(91, 192, 222, 0.32),
      transparent 33%
    ),
    linear-gradient(
      135deg,
      var(--blue),
      var(--navy)
    );
  box-shadow: var(--shadow-medium);
  color: var(--white);
}

.final-callout .eyebrow {
  color: #a9e2f2;
}

.final-callout h2 {
  color: var(--white);
}

.final-callout p:not(.eyebrow) {
  max-width: 760px;
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.77);
  font-size: 16px;
}

.light-button {
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: var(--white);
  box-shadow: 0 12px 25px rgba(4, 24, 40, 0.2);
  color: var(--navy);
}

.light-button:hover,
.light-button:focus-visible {
  background: var(--cyan);
  transform: translateY(-2px);
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 45px;
  padding: 42px clamp(22px, 5vw, 80px);
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  background: var(--navy-dark);
  color: rgba(255, 255, 255, 0.72);
}

.footer-brand {
  color: var(--white);
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.5px;
}

.site-footer p {
  margin: 5px 0 0;
  font-size: 13px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 13px;
  font-weight: 750;
  transition: color 0.2s ease;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--cyan);
}

.copyright {
  margin: 0 !important;
  white-space: nowrap;
}

@keyframes floatFish {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-9px);
  }
}

@keyframes riseBubble {
  0% {
    opacity: 0;
    transform: translateY(20px) scale(0.7);
  }

  20% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translateY(-180px) scale(1.15);
  }
}

@media (max-width: 1100px) {
  .hero-section {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 70px;
  }

  .hero-content {
    max-width: 850px;
  }

  .hero-visual {
    min-height: 500px;
  }

  .hero-image {
    min-height: 500px;
  }

  .model-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .teacher-section {
    grid-template-columns: 1fr;
  }

  .site-footer {
    grid-template-columns: 1fr auto;
  }

  .copyright {
    grid-column: 1 / -1;
  }
}

@media (max-width: 800px) {
  .site-header {
    min-height: 72px;
  }

  .brand-tagline {
    display: none;
  }

  .menu-button {
    display: grid;
    place-items: center;
  }

  .main-navigation {
    position: absolute;
    top: calc(100% + 1px);
    right: 18px;
    left: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    background: var(--white);
    box-shadow: var(--shadow-medium);
  }

  .main-navigation.open {
    display: flex;
  }

  .main-navigation a {
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-100);
  }

  .main-navigation a:last-child {
    border-bottom: 0;
  }

  .main-navigation a::after {
    display: none;
  }

  .hero-section,
  .models-section,
  .how-section,
  .teacher-section,
  .about-section,
  .final-callout {
    width: min(100% - 32px, 1280px);
  }

  .hero-section {
    padding: 55px 0 75px;
  }

  .hero-content h1 {
    letter-spacing: -2px;
  }

  .hero-visual {
    min-height: 380px;
    border-radius: 22px;
  }

  .hero-image {
    min-height: 380px;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .about-section {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .final-callout {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .footer-links {
    flex-wrap: wrap;
  }

  .copyright {
    grid-column: auto;
  }
}

@media (max-width: 700px) {
  .model-grid {
    grid-template-columns: 1fr;
  }

  .energy-preview-body {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding-right: 16px;
    padding-left: 16px;
  }
.ev-status-two {
  display: none;
}

.ev-map-mini {
  width: 105px;
}

.ev-car {
  left: 75px;
  width: 150px;
}

.ev-charger {
  right: 20px;
}
  .brand-icon {
    width: 43px;
    height: 43px;
    border-radius: 13px;
  }

  .brand-name {
    font-size: 18px;
  }

  .hero-content h1 {
    font-size: 41px;
    letter-spacing: -1.7px;
  }

  .hero-description {
    font-size: 16px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons a {
    width: 100%;
  }

  .hero-highlights {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-highlights span {
    width: 100%;
  }

  .hero-visual {
    min-height: 260px;
    border-radius: 18px;
  }

  .hero-image {
    min-height: 260px;
  }

  .models-section,
  .how-section,
  .teacher-section,
  .about-section {
    padding-top: 75px;
    padding-bottom: 75px;
  }

  .model-grid,
  .steps-grid,
  .teacher-feature-grid {
    grid-template-columns: 1fr;
  }

  .model-content > p {
    min-height: auto;
  }

  .model-features {
    grid-template-columns: 1fr;
  }

  .energy-preview {
    padding: 14px;
  }

  .energy-preview-body {
    grid-template-columns: 1fr;
  }

  .wildfire-preview {
    padding: 14px;
  }

  .wildfire-mini-grid {
    width: 135px;
  }

  .teacher-content,
  .teacher-callout {
    padding: 28px 22px;
    border-radius: 20px;
  }

  .about-section > p {
    padding: 23px;
  }

  .final-callout {
    margin-bottom: 70px;
    padding: 30px 22px;
    border-radius: 20px;
  }

  .light-button {
    width: 100%;
  }

  .site-footer {
    padding: 38px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}