:root {
  --ink: #07111f;
  --ink-soft: #182a41;
  --paper: #f7f5ee;
  --white: #fffefa;
  --cyan: #44d5e7;
  --cyan-dark: #2f8291;
  --lime: #c8f36b;
  --amber: #ffcc70;
  --muted: #607086;
  --line: #d7dde0;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.5;
  overflow-x: hidden;
  width: 100%;
}

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 99;
  padding: 0.75rem;
  background: var(--lime);
  color: var(--ink);
  border-radius: 6px;
  font-weight: 700;
}

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

/* Header & Brand */
.site-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  max-width: 1240px;
  margin: auto;
  padding: 1.35rem 2rem;
  position: relative;
  z-index: 10;
  width: 100%;
}

.brand {
  align-items: center;
  display: inline-flex;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  gap: 0.55rem;
  flex-shrink: 0;
}

.brand > span:last-child span {
  color: var(--cyan-dark);
}

.brand-icon {
  display: block;
  width: 30px;
  height: 30px;
  border-radius: 22%;
  object-fit: cover;
  flex-shrink: 0;
}

.brand-mark {
  display: inline-flex;
  height: 26px;
  position: relative;
  width: 30px;
  flex-shrink: 0;
}

.brand-mark i {
  background: var(--ink);
  border-radius: 50%;
  height: 7px;
  position: absolute;
  width: 7px;
}

.brand-mark i:nth-child(1) { left: 0; top: 10px; }
.brand-mark i:nth-child(2) { left: 12px; top: 0; }
.brand-mark i:nth-child(3) { bottom: 0; right: 0; }

.brand-mark::after,
.brand-mark::before {
  background: var(--ink);
  content: "";
  height: 2px;
  position: absolute;
  transform-origin: left;
  width: 15px;
}

.brand-mark::before {
  left: 5px;
  top: 12px;
  transform: rotate(-38deg);
}

.brand-mark::after {
  left: 15px;
  top: 6px;
  transform: rotate(47deg);
}

nav {
  display: flex;
  gap: 2rem;
  color: #536176;
  font-size: 0.9rem;
  font-weight: 650;
}

nav a:hover,
footer a:hover {
  color: #21899b;
}

.nav-cta {
  border: 1px solid #afbac1;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 750;
  padding: 0.6rem 1.05rem;
  white-space: nowrap;
  transition: all 0.2s ease;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-cta:hover {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}

/* Common Layout Shell */
.section-shell {
  max-width: 1240px;
  margin: auto;
  padding-left: 2rem;
  padding-right: 2rem;
  width: 100%;
}

.eyebrow {
  align-items: center;
  color: #2e7480;
  display: flex;
  font-size: 0.72rem;
  font-weight: 850;
  gap: 0.6rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
}

.eyebrow span {
  background: currentColor;
  border-radius: 50%;
  height: 7px;
  width: 7px;
  flex-shrink: 0;
}

/* Headings Typography */
.hero h1,
.section-intro h2,
.climate-section h2,
.values-section h2,
.support-section h2,
.policy-shell h1 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.05em;
  margin: 0.75rem 0 1.4rem;
}

.hero h1 {
  font-size: clamp(2.35rem, 5.5vw, 5.5rem);
}

.section-intro h2,
.climate-section h2,
.values-section h2,
.support-section h2 {
  font-size: clamp(2.1rem, 4.5vw, 4.4rem);
}

.hero h1 em,
h2 em {
  color: #258fa0;
  font-style: italic;
}

/* Hero Section */
.hero {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr 0.9fr;
  min-height: 600px;
  padding-bottom: 6rem;
  padding-top: 4rem;
  align-items: center;
}

.hero-copy {
  align-self: center;
  max-width: 610px;
}

.hero-text {
  color: #526176;
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  line-height: 1.6;
  max-width: 490px;
  margin: 0 0 1.8rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.8rem;
}

.button {
  align-items: center;
  border-radius: 99px;
  display: inline-flex;
  font-size: 0.9rem;
  font-weight: 800;
  gap: 1.2rem;
  justify-content: space-between;
  padding: 0.88rem 1.25rem;
  transition: transform 0.2s, background-color 0.2s, box-shadow 0.2s;
  cursor: pointer;
  text-decoration: none;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--ink);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(7, 17, 31, 0.2);
}

.button-primary:hover {
  background: var(--ink-soft);
}

.button-primary b,
.button-lime b {
  font-size: 1.2rem;
  line-height: 0.7;
}

.button-quiet {
  background: transparent;
  border: 1px solid #c6ced1;
  color: var(--ink);
}

.button-quiet:hover {
  background: rgba(0, 0, 0, 0.03);
  border-color: #9cb0b8;
}

/* App Store & Google Play Badges */
.store-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
  margin-top: 0.5rem;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--ink);
  color: #fff !important;
  padding: 0.62rem 1.25rem;
  border-radius: 12px;
  text-decoration: none;
  font-family: var(--sans);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 14px rgba(7, 17, 31, 0.18);
  transition: transform 0.2s, background-color 0.2s, box-shadow 0.2s, border-color 0.2s;
  cursor: pointer;
}

.store-badge:hover {
  transform: translateY(-2px);
  background: #112238;
  border-color: var(--cyan);
  box-shadow: 0 6px 20px rgba(0, 229, 255, 0.25);
  color: #fff !important;
}

.store-badge svg {
  flex-shrink: 0;
  display: block;
}

.store-badge-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  text-align: left;
}

.store-badge-text small {
  font-size: 0.64rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #a2b4c7;
}

.store-badge-text strong {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.download-section {
  background: #091424;
  color: #f7f5ee;
  padding: 4.5rem 0;
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(0, 229, 255, 0.15);
  border-bottom: 1px solid rgba(0, 229, 255, 0.15);
}

.download-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
  max-width: 780px;
  margin: 0 auto;
}

.download-copy h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  margin: 0.5rem 0 1rem;
  font-family: var(--sans);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.download-copy h2 em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  color: var(--cyan);
}

.download-copy p {
  color: #a0b6c6;
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 1.5rem;
}

.download-layout .store-badges {
  justify-content: center;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  color: #506074;
  font-size: 0.85rem;
  font-weight: 650;
}

.hero-points li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.hero-points span {
  color: #198a98;
  font-weight: 800;
}

/* Hero Art Container */
.hero-art {
  min-height: 480px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.orbit {
  border: 1px solid #bdd3d7;
  border-radius: 50%;
  position: absolute;
  pointer-events: none;
}

.orbit-one {
  height: 420px;
  width: 420px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.orbit-two {
  border-color: #cfebed;
  height: 310px;
  width: 310px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.phone-frame {
  background: #0a1628;
  border: 7px solid #0a1628;
  border-radius: 29px;
  box-shadow: 0 30px 55px rgba(13, 32, 51, 0.24);
  color: #f5fbff;
  overflow: hidden;
  position: relative;
  transform: rotate(3deg);
  width: 265px;
  z-index: 2;
  transition: transform 0.3s ease;
}

.phone-frame:hover {
  transform: rotate(0deg) translateY(-4px);
}

.phone-top {
  align-items: center;
  display: flex;
  height: 22px;
  justify-content: center;
}

.phone-top span {
  background: #25364d;
  border-radius: 8px;
  height: 5px;
  width: 62px;
}

.phone-top i {
  background: #3c536d;
  border-radius: 50%;
  height: 4px;
  margin-left: 4px;
  width: 4px;
}

.app-bar {
  align-items: center;
  background: #14253b;
  display: flex;
  font-size: 0.64rem;
  justify-content: space-between;
  padding: 0.6rem 0.75rem;
}

.mini-mark {
  color: var(--cyan);
  font-size: 1rem;
}

.lesson-pill {
  background: #0f1d31;
  color: #8fa9bf;
  font-size: 0.47rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.7rem 0.8rem;
}

.lesson-pill span {
  color: var(--lime);
  float: right;
}

.board {
  background: #f5e6c7;
  height: 282px;
  margin: 0.65rem 9px;
  overflow: hidden;
  position: relative;
  border-radius: 6px;
}

.rail {
  background: linear-gradient(90deg, #ec7957 45%, #77c2d8 45%);
  height: 4px;
  left: 12px;
  position: absolute;
  right: 12px;
}

.rail-top { top: 16px; }
.rail-bottom { bottom: 16px; }

.hole-grid {
  background-image: radial-gradient(#5c7184 1px, transparent 1.2px);
  background-size: 12px 12px;
  height: 192px;
  left: 20px;
  opacity: 0.52;
  position: absolute;
  top: 45px;
  width: 210px;
}

.wire {
  border: 4px solid;
  border-bottom: 0;
  border-radius: 25px 25px 0 0;
  height: 90px;
  position: absolute;
  width: 80px;
}

.wire-cyan {
  border-color: #1a9cb3;
  left: 34px;
  top: 88px;
}

.wire-amber {
  border-color: #de9a20;
  height: 115px;
  left: 125px;
  top: 56px;
  width: 72px;
}

.resistor {
  background: #e9d3a5;
  border-radius: 4px;
  height: 17px;
  left: 89px;
  position: absolute;
  top: 149px;
  width: 56px;
}

.resistor i {
  background: #914253;
  display: inline-block;
  height: 17px;
  margin-left: 7px;
  width: 4px;
}

.led {
  background: #ff8054;
  border: 5px solid #cf513f;
  border-radius: 50% 50% 45% 45%;
  box-shadow: 0 0 19px #ffab66;
  bottom: 65px;
  height: 29px;
  position: absolute;
  right: 48px;
  width: 25px;
}

.led::after,
.led::before {
  background: #596677;
  bottom: -27px;
  content: "";
  height: 24px;
  position: absolute;
  width: 2px;
}

.led::before { left: 5px; }
.led::after { right: 5px; }

.led span {
  background: #ffd292;
  border-radius: 50%;
  display: block;
  height: 7px;
  width: 7px;
}

.battery {
  background: #26374a;
  border-radius: 5px;
  bottom: 63px;
  font-size: 0.5rem;
  font-weight: 800;
  left: 37px;
  padding: 0.5rem 0.35rem;
  position: absolute;
}

.reading {
  align-items: center;
  background: #13253c;
  display: flex;
  font-size: 0.55rem;
  justify-content: space-between;
  padding: 0.75rem 0.85rem;
}

.reading span { color: #b8cbd8; }
.reading b { color: var(--lime); }

.floating-card {
  background: var(--white);
  border: 1px solid #d6e1e2;
  border-radius: 12px;
  box-shadow: 0 15px 30px rgba(13, 32, 51, 0.15);
  display: grid;
  font-size: 0.65rem;
  gap: 0.1rem;
  padding: 0.75rem;
  position: absolute;
  z-index: 3;
}

.floating-card small { color: #6e7e8b; }
.card-one { left: 10px; top: 80px; }
.card-two { bottom: 35px; right: 10px; }
.spark { color: #df9b2a; }
.card-two span { color: #37a7b5; font-size: 1.1rem; }

/* Proof Strip */
.proof-strip {
  background: #d5f1f0;
  display: flex;
  justify-content: center;
  gap: 7vw;
  padding: 1.3rem 1.5rem;
  flex-wrap: wrap;
}

.proof-strip div {
  align-items: center;
  display: flex;
  gap: 0.65rem;
}

.proof-strip b {
  color: #218b98;
  font-family: var(--serif);
  font-size: 1.3rem;
  font-style: italic;
}

.proof-strip span {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

/* Learning Section & Feature Cards */
.learning-section {
  display: grid;
  gap: 4rem;
  grid-template-columns: 0.75fr 1.25fr;
  padding-bottom: 7rem;
  padding-top: 7rem;
}

.section-intro > p:last-child {
  color: var(--muted);
  max-width: 330px;
  line-height: 1.6;
  font-size: 0.95rem;
}

.feature-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(3, 1fr);
}

.feature-card {
  display: flex;
  flex-direction: column;
  border: 1px solid #d9dfe0;
  border-radius: 16px;
  min-height: 330px;
  overflow: hidden;
  padding: 1.4rem 1.4rem 1.2rem;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

.feature-board { background: #f2fbf7; }
.feature-sim { background: #fff2d9; }
.feature-progress { background: #edf6fb; }

.feature-number {
  color: #97a3af;
  font-family: var(--serif);
  font-size: 1.05rem;
  font-style: italic;
}

.card-icon {
  display: inline-block;
  font-size: 1.5rem;
  margin-top: 0.75rem;
}

.feature-card h3 {
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 400;
  letter-spacing: -0.04em;
  margin: 0.6rem 0 0.4rem;
  line-height: 1.15;
}

.feature-card p {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.55;
  margin: 0 0 1.5rem;
}

/* Feature 1: Mini breadboard decoration */
.mini-board {
  height: 65px;
  margin-top: auto;
  position: relative;
  width: 100%;
  overflow: hidden;
}

.mini-board i {
  background: #89a9ad;
  border-radius: 50%;
  display: inline-block;
  height: 4px;
  margin: 5px;
  width: 4px;
}

.mini-board b {
  background: #1b8592;
  border-radius: 99px;
  display: block;
  height: 3px;
  left: 25px;
  position: absolute;
  width: 90px;
}

.mini-board b:first-of-type {
  bottom: 14px;
  transform: rotate(14deg);
}

.mini-board b:last-of-type {
  bottom: 30px;
  left: 75px;
  transform: rotate(-20deg);
  width: 75px;
}

/* Feature 2: Audio wave decoration */
.wave {
  align-items: flex-end;
  display: flex;
  gap: 5px;
  height: 60px;
  margin-top: auto;
  margin-bottom: 0.4rem;
  position: relative;
  width: 100%;
  max-width: 190px;
}

.wave i {
  background: #db9836;
  border-radius: 12px;
  flex: 1;
}

.wave i:nth-child(1),
.wave i:nth-child(7) {
  height: 18px;
}

.wave i:nth-child(2),
.wave i:nth-child(6) {
  height: 34px;
}

.wave i:nth-child(3),
.wave i:nth-child(5) {
  height: 48px;
}

.wave i:nth-child(4) {
  height: 60px;
}

/* Feature 3: Skill path decoration */
.skill-path {
  align-items: center;
  display: flex;
  gap: 16px;
  height: 32px;
  margin-top: auto;
  margin-bottom: 0.5rem;
  position: relative;
}

.skill-path i {
  background: #bfe1e6;
  border-radius: 50%;
  height: 18px;
  position: relative;
  width: 18px;
  flex-shrink: 0;
}

.skill-path i::after {
  border-top: 2px dashed #78b9c4;
  content: "";
  left: 18px;
  position: absolute;
  top: 8px;
  width: 16px;
}

.skill-path i:last-child {
  background: #3aafbd;
  box-shadow: 0 0 0 5px #c7e9ec;
}

.skill-path i:last-child::after {
  display: none;
}

/* Climate Section */
.climate-section {
  background: var(--ink);
  color: var(--white);
  padding: 7rem 0;
}

.climate-layout {
  align-items: center;
  display: grid;
  gap: 4rem;
  grid-template-columns: 0.85fr 1.15fr;
}

.eyebrow-light {
  color: var(--cyan);
}

.climate-section h2 {
  max-width: 490px;
}

.climate-section h2 em,
.support-section h2 em {
  color: var(--lime);
}

.climate-copy {
  color: #b6c5d4;
  font-size: 1rem;
  line-height: 1.6;
  max-width: 470px;
}

.climate-cards {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr 1fr;
}

.climate-cards article {
  background: #13283c;
  border: 1px solid #29445b;
  border-radius: 14px;
  padding: 1.5rem;
}

.energy-icon {
  color: var(--lime);
  font-size: 2rem;
  display: block;
}

.climate-cards h3 {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0.8rem 0 0.5rem;
}

.climate-cards p {
  color: #aabacc;
  font-size: 0.85rem;
  line-height: 1.55;
  margin: 0;
}

/* Values Section */
.values-section {
  display: grid;
  gap: 4rem;
  grid-template-columns: 1fr 1.2fr;
  padding-bottom: 7rem;
  padding-top: 7rem;
}

.value-list {
  border-top: 1px solid #cbd4d4;
}

.value-list article {
  border-bottom: 1px solid #cbd4d4;
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr 1.4fr;
  padding: 1.4rem 0;
}

.value-list b {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.value-list p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
  margin: 0;
}

/* Support Section */
.support-section {
  background: #338c9b;
  color: var(--white);
  padding: 6rem 0;
}

.support-layout {
  align-items: center;
  display: grid;
  gap: 5rem;
  grid-template-columns: 1fr 1fr;
}

.support-section .eyebrow {
  color: #c9f2f2;
}

.support-section p {
  color: #e1f6f6;
  font-size: 1rem;
  line-height: 1.6;
}

.support-section form {
  background: #fffefa;
  border-radius: 16px;
  color: var(--ink);
  display: grid;
  gap: 0.85rem;
  padding: 1.6rem;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.support-section label {
  color: #4e5f70;
  font-size: 0.78rem;
  font-weight: 800;
  display: block;
}

.support-section input,
.support-section textarea {
  background: #f4f6f3;
  border: 1px solid #dce3df;
  border-radius: 8px;
  color: var(--ink);
  display: block;
  font-family: inherit;
  font-size: 16px; /* Prevents auto zoom on iOS Safari */
  margin-top: 0.35rem;
  padding: 0.75rem 0.85rem;
  width: 100%;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.support-section input:focus,
.support-section textarea:focus {
  outline: none;
  border-color: #2e7480;
  box-shadow: 0 0 0 3px rgba(46, 116, 128, 0.15);
}

.support-section textarea {
  resize: vertical;
}

.button-lime {
  background: var(--lime);
  border: 0;
  color: var(--ink);
  cursor: pointer;
  margin-top: 0.35rem;
}

.button-lime:hover {
  background: #b5e452;
}

.form-note {
  color: #607083 !important;
  font-size: 0.72rem !important;
  line-height: 1.45;
  margin: 0;
}

.form-note a {
  text-decoration: underline;
}

.hidden {
  display: none;
}

/* Footer */
footer {
  align-items: center;
  background: #07111f;
  color: #dce8eb;
  display: flex;
  gap: 2rem;
  justify-content: space-between;
  padding: 2.2rem max(2rem, calc((100vw - 1200px) / 2));
  font-size: 0.8rem;
}

footer .brand {
  color: var(--white);
}

footer .brand-mark i,
footer .brand-mark::after,
footer .brand-mark::before {
  background: var(--cyan);
}

footer div {
  display: flex;
  gap: 1.5rem;
}

footer p {
  color: #8ca0af;
  margin: 0;
}

/* Privacy Policy Page */
.policy-page {
  background: #f7f5ee;
}

.policy-shell {
  max-width: 820px;
  padding: 5rem 2rem 7rem;
  margin: auto;
}

.policy-shell h1 {
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  margin-bottom: 0.5rem;
}

.policy-meta {
  color: var(--muted);
  font-size: 0.85rem;
}

.policy-lede {
  color: #385069;
  font-family: var(--serif);
  font-size: 1.35rem;
  line-height: 1.45;
  margin: 2.5rem 0;
}

.policy-shell section {
  border-top: 1px solid #cbd4d4;
  padding: 1.5rem 0;
}

.policy-shell h2 {
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 400;
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem;
}

.policy-shell section p {
  color: #4d6174;
  margin: 0;
  line-height: 1.6;
}

.policy-shell section a {
  color: #167d8d;
  text-decoration: underline;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

/* Tablet & Smaller Desktops */
@media (max-width: 960px) {
  nav {
    display: none;
  }

  .hero,
  .learning-section,
  .climate-layout,
  .values-section,
  .support-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero {
    padding-top: 3rem;
    padding-bottom: 4.5rem;
  }

  .hero-copy {
    max-width: 100%;
  }

  .hero-art {
    margin: 1.5rem auto 0;
    max-width: 480px;
  }

  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .learning-section,
  .climate-section,
  .values-section,
  .support-section {
    padding: 5rem 0;
  }
}

/* Small Tablets / Large Phones */
@media (max-width: 768px) {
  .section-shell {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .site-header {
    padding: 1.1rem 1.5rem;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .feature-card {
    min-height: 280px;
    padding: 1.5rem;
  }

  .climate-cards {
    grid-template-columns: 1fr;
  }

  .value-list article {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 1.2rem 0;
  }
}

/* Mobile Devices */
@media (max-width: 580px) {
  .site-header,
  .section-shell {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .site-header {
    padding-top: 1rem;
    padding-bottom: 1rem;
  }

  .nav-cta {
    font-size: 0.78rem;
    padding: 0.48rem 0.85rem;
  }

  .brand {
    font-size: 1.05rem;
  }

  .hero {
    gap: 2rem;
    padding-top: 1.75rem;
    padding-bottom: 3.5rem;
  }

  .hero h1 {
    font-size: clamp(2.15rem, 8.5vw, 3.1rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin: 0.6rem 0 1.1rem;
  }

  .hero-text {
    font-size: 0.98rem;
    line-height: 1.55;
    margin-bottom: 1.4rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
    margin-top: 1.4rem;
  }

  .hero-actions .button {
    width: 100%;
    justify-content: space-between;
    padding: 0.85rem 1.2rem;
  }

  .hero-points {
    flex-direction: column;
    gap: 0.65rem;
    margin-top: 1.4rem;
  }

  .hero-art {
    min-height: 390px;
    margin-top: 0.5rem;
    overflow: hidden;
    max-width: 100%;
  }

  .orbit-one {
    height: 340px;
    width: 340px;
  }

  .orbit-two {
    height: 250px;
    width: 250px;
  }

  .phone-frame {
    transform: rotate(2deg);
    width: 245px;
  }

  .card-one {
    left: 4px;
    top: 60px;
  }

  .card-two {
    bottom: 20px;
    right: 4px;
  }

  .proof-strip {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1.2rem 1.25rem;
  }

  .proof-strip div {
    gap: 0.6rem;
  }

  .learning-section,
  .climate-section,
  .values-section,
  .support-section {
    padding: 3.5rem 0;
  }

  .section-intro h2,
  .climate-section h2,
  .values-section h2,
  .support-section h2 {
    font-size: clamp(1.85rem, 7.5vw, 2.5rem);
    line-height: 1.08;
    letter-spacing: -0.04em;
    margin: 0.6rem 0 1rem;
  }

  .support-section form {
    padding: 1.25rem;
  }

  footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2.2rem 1.25rem;
  }

  footer div {
    gap: 1.5rem;
  }

  .policy-shell {
    padding: 2.5rem 1.25rem 4rem;
  }
}