/* ─── RESET & BASE ─── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --font-sans: 'Lexend Deca', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --c-bg: #F5FAFF;
  --c-bg-card: #FFFFFF;
  --c-surface-muted: #E8F3FF;
  --c-text: #102050;
  --c-text-secondary: #2F436D;
  --c-text-muted: #5D7596;
  --c-border: #B7D0E8;

  --c-bg-dark: #111925;
  --c-bg-card-dark: #1A2634;
  --c-surface-dark: #253649;
  --c-text-light: #F5FAFF;
  --c-text-light-muted: #8DA3BF;
  --c-border-dark: #253649;

  --c-primary: #5A95C6;
  --c-primary-light: #7CB4DC;
  --c-primary-dark: #3F79AA;
  --c-primary-glow: rgba(90, 149, 198, .18);
  --c-secondary: #9A92C8;
  --c-secondary-light: #B5AFDA;

  --c-success: #7CB79B;
  --c-warning: #C5A56B;
  --c-error: #C77A84;
  --c-info: #6BA3D6;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 4px rgba(0,0,0,.1);
  --shadow-md: 0 4px 8px rgba(0,0,0,.1), 0 2px 4px rgba(0,0,0,.05);
  --shadow-lg: 0 8px 16px rgba(0,0,0,.15), 0 4px 6px rgba(0,0,0,.05);
  --shadow-primary-glow: 0 4px 24px rgba(90, 149, 198, .25);

  --ease: cubic-bezier(.4, 0, .2, 1);
  --ease-out: cubic-bezier(0, 0, .2, 1);
  --dur-fast: 150ms;
  --dur: 250ms;
  --dur-slow: 400ms;
}

/* ─── ICON UTILITIES ─── */
.icon { display: inline-block; vertical-align: middle; flex-shrink: 0; }
.icon--xs { width: 14px; height: 14px; }
.icon--sm { width: 18px; height: 18px; }
.icon--md { width: 24px; height: 24px; }
.icon--lg { width: 32px; height: 32px; }
.icon--inline { margin-right: 6px; position: relative; top: -1px; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-sans);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.5;
  font-size: 16px;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── NAV ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  background: rgba(245,250,255,.82);
  border-bottom: 1px solid rgba(183,208,232,.4);
  transition: background var(--dur) var(--ease);
}
.nav--scrolled { background: rgba(245,250,255,.96); }
.nav__inner {
  max-width: 1180px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.nav__logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; }
.nav__logo-icon {
  width: 30px; height: 30px; border-radius: var(--radius-sm);
  background: var(--c-primary); color: #fff;
  display: grid; place-items: center;
  font-weight: 800; font-size: 15px;
}
.nav__links {
  display: flex; align-items: center; gap: 24px;
  font-size: 13px; font-weight: 500;
}
.nav__links a { opacity: .7; transition: opacity var(--dur) var(--ease); }
.nav__links a:hover { opacity: 1; }
.nav__cta {
  background: var(--c-primary) !important; color: #fff !important;
  padding: 7px 18px !important; border-radius: 999px !important;
  opacity: 1 !important; font-weight: 600 !important;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease) !important;
}
.nav__cta:hover { transform: scale(1.04); box-shadow: var(--shadow-primary-glow); }
.nav__toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav__toggle span {
  display: block; width: 20px; height: 2px; background: var(--c-text);
  margin: 4px 0; border-radius: 2px; transition: all var(--dur) var(--ease);
}

@media (max-width: 900px) {
  .nav__toggle { display: flex; flex-direction: column; align-items: center; justify-content: center; width: 44px; height: 44px; }
  .nav__links {
    display: none; position: absolute; top: 60px; left: 0; right: 0;
    flex-direction: column; background: var(--c-bg); padding: 24px;
    border-bottom: 1px solid var(--c-border); gap: 4px;
    font-size: 15px;
  }
  .nav__links a { display: flex; align-items: center; min-height: 44px; padding: 8px 0; }
  .nav__links.open { display: flex; }
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-sans); font-weight: 600; border: none; cursor: pointer;
  border-radius: 999px; transition: all var(--dur) var(--ease);
  text-decoration: none;
}
.btn--primary {
  background: var(--c-primary); color: #fff;
  box-shadow: 0 2px 12px var(--c-primary-glow);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-primary-glow); }
.btn--ghost {
  background: transparent; color: var(--c-text);
  border: 1.5px solid var(--c-border);
}
.btn--ghost:hover { border-color: var(--c-primary); color: var(--c-primary); }
.btn--lg { padding: 14px 32px; font-size: 16px; }
.btn--xl { padding: 18px 48px; font-size: 18px; }

/* ─── FOCUS ─── */
:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
a:focus-visible { border-radius: var(--radius-sm); }

/* ─── REVEAL ─── */
.reveal {
  opacity: 0; transform: translateY(32px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .problem-card, .eco-card, .clinic-card, .tech-item, .step-card,
  .btn, .nav__cta, .scope-item__toggle, .scope-item__toggle::after {
    transition: none !important;
  }
  html { scroll-behavior: auto; }
}

/* ─── HERO ─── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 120px 24px 80px;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, var(--c-primary-glow), transparent),
    radial-gradient(ellipse 40% 40% at 80% 80%, rgba(154,146,200,.1), transparent),
    var(--c-bg);
}
.hero__content { position: relative; z-index: 1; max-width: 800px; }
.hero__eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--c-primary); margin-bottom: 20px;
}
.hero__title {
  font-weight: 800;
  font-size: clamp(2.6rem, 6vw, 4.5rem); line-height: 1.08;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}
.hero__subtitle {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: var(--c-text-muted); max-width: 600px; margin: 0 auto 36px;
  line-height: 1.7;
}
.hero__promises { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 40px; }
.hero__pill {
  display: flex; align-items: center; gap: 6px;
  background: var(--c-bg-card); border: 1px solid var(--c-border);
  padding: 8px 18px; border-radius: 999px; font-size: 14px; font-weight: 500;
  box-shadow: var(--shadow-sm);
}
.hero__pill .icon { color: var(--c-primary); }
.hero__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ─── SECTIONS ─── */
.section { padding: 100px 0; }
.section--dark { background: var(--c-bg-dark); color: var(--c-text-light); }
.section--dark .section__desc { color: var(--c-text-light-muted); }
.section--dark .btn--ghost { color: var(--c-text-light); border-color: var(--c-border-dark); }
.section__header { text-align: center; max-width: 700px; margin: 0 auto 64px; }
.section__eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--c-primary); margin-bottom: 12px;
}
.section__title {
  font-weight: 800;
  font-size: clamp(2rem, 4.5vw, 3rem); line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.section__desc { font-size: 1.05rem; color: var(--c-text-muted); line-height: 1.7; }
.highlight { color: var(--c-primary); }

/* ─── PROBLEMS GRID ─── */
.problems-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px; margin-bottom: 48px;
}
.problem-card {
  background: var(--c-bg-card-dark); border: 1px solid var(--c-border-dark);
  border-radius: var(--radius-lg); padding: 32px;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.problem-card:hover { transform: translateY(-4px); border-color: var(--c-primary); }
.problem-card__icon { margin-bottom: 16px; color: var(--c-primary-light); }
.problem-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.problem-card p { font-size: .9rem; color: var(--c-text-light-muted); line-height: 1.65; }

/* ─── INSIGHT BOX ─── */
.insight-box {
  background: rgba(90,149,198,.12); border-left: 3px solid var(--c-primary);
  border-radius: var(--radius-md); padding: 24px 28px;
  font-size: 1rem; line-height: 1.7;
}

/* ─── ECOSYSTEM GRID ─── */
.ecosystem-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
@media (max-width: 900px) { .ecosystem-grid { grid-template-columns: 1fr; } }

.eco-card {
  border-radius: var(--radius-xl); padding: 40px 32px;
  border: 1px solid var(--c-border);
  display: flex; flex-direction: column;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.eco-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.eco-card--life { background: linear-gradient(170deg, #E8F3FF 0%, #fff 60%); }
.eco-card--care { background: linear-gradient(170deg, #EDEAFD 0%, #fff 60%); }
.eco-card--clinic { background: linear-gradient(170deg, #E5F5ED 0%, #fff 60%); }

.eco-card__badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase;
  padding: 4px 12px; border-radius: 999px;
  background: rgba(90,149,198,.08); margin-bottom: 16px;
  align-self: flex-start;
}
.eco-card__badge .icon { color: var(--c-primary); }
.eco-card h3 { font-weight: 800; font-size: 1.6rem; letter-spacing: -0.5px; margin-bottom: 2px; }
.eco-card__role { font-size: .9rem; color: var(--c-primary); font-weight: 600; margin-bottom: 16px; }
.eco-card__desc { font-size: .9rem; color: var(--c-text-muted); line-height: 1.65; margin-bottom: 20px; flex-grow: 1; }
.eco-card__highlights { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.eco-card__highlights span {
  padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 500;
  background: rgba(90,149,198,.08); color: var(--c-primary-dark);
}
.eco-card__link {
  font-size: .9rem; font-weight: 600; color: var(--c-primary);
  transition: opacity var(--dur) var(--ease);
}
.eco-card__link:hover { opacity: .7; }

/* ─── FEATURE SECTIONS (Nexia Life) ─── */
.feature-section {
  background: var(--c-bg-card-dark); border: 1px solid var(--c-border-dark);
  border-radius: var(--radius-xl); padding: 40px;
  margin-bottom: 24px;
}
.feature-section__header {
  display: flex; gap: 16px; align-items: flex-start; margin-bottom: 28px;
}
.feature-section__icon { flex-shrink: 0; margin-top: 2px; color: var(--c-primary-light); }
.feature-section__header h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 4px; }
.feature-section__sub { font-size: .9rem; color: var(--c-text-light-muted); }

.feature-details {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}
@media (max-width: 768px) { .feature-details { grid-template-columns: 1fr; } }

.feature-detail {
  padding: 20px; border-radius: var(--radius-md);
  background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.06);
}
.feature-detail strong {
  display: block; font-size: .95rem; margin-bottom: 6px; color: var(--c-text-light);
}
.feature-detail p { font-size: .88rem; color: var(--c-text-light-muted); line-height: 1.65; }

/* ─── CARE GRID ─── */
.care-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}
@media (max-width: 768px) { .care-grid { grid-template-columns: 1fr; } }

.care-card {
  background: var(--c-bg-card); border: 1px solid var(--c-border);
  border-radius: var(--radius-xl); padding: 36px;
  transition: border-color var(--dur) var(--ease);
}
.care-card:hover { border-color: var(--c-primary); }
.care-card--wide { grid-column: 1 / -1; }
.care-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; display: flex; align-items: center; }
.care-card h3 .icon { color: var(--c-primary); }
.care-card > p { font-size: .9rem; color: var(--c-text-muted); line-height: 1.65; margin-bottom: 16px; }
.care-card ul { display: flex; flex-direction: column; gap: 8px; }
.care-card li {
  font-size: .9rem; padding-left: 20px; position: relative;
  color: var(--c-text-secondary); line-height: 1.5;
}
.care-card li::before {
  content: '✓'; position: absolute; left: 0; color: var(--c-success); font-weight: 700;
}
.care-card__note { font-size: .85rem; color: var(--c-text-muted); margin-top: 14px; }

.task-types { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.task-types span {
  padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 500;
  background: rgba(90,149,198,.1); color: var(--c-primary);
}

.scales-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 8px;
}
@media (max-width: 500px) { .scales-grid { grid-template-columns: 1fr; } }
.scale-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px; border-radius: var(--radius-sm);
  background: var(--c-surface-muted); font-size: .9rem;
}
.scale-item span { font-size: .82rem; color: var(--c-text-muted); }

.notes-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 500px) { .notes-grid { grid-template-columns: 1fr; } }
.note-type {
  padding: 16px; border-radius: var(--radius-md);
  background: var(--c-surface-muted); border: 1px solid rgba(183,208,232,.4);
}
.note-type strong { display: block; font-size: .95rem; margin-bottom: 4px; color: var(--c-text); }
.note-type p { font-size: .82rem; color: var(--c-text-muted); }

/* ─── BRIEFING DEMO ─── */
.briefing-demo { display: flex; flex-direction: column; gap: 10px; }
.briefing-item {
  display: flex; gap: 16px; align-items: baseline;
  padding: 12px 16px; border-radius: var(--radius-sm);
  background: var(--c-surface-muted); font-size: .9rem;
}
.briefing-item strong { flex-shrink: 0; min-width: 80px; color: var(--c-text); }
.briefing-item span { color: var(--c-text-muted); }
.briefing-item--highlight {
  background: rgba(90,149,198,.1); border: 1px solid rgba(90,149,198,.2);
}
.briefing-item--highlight strong { color: var(--c-primary); }

/* ─── CLINIC GRID ─── */
.clinic-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
@media (max-width: 900px) { .clinic-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .clinic-grid { grid-template-columns: 1fr; } }

.clinic-card {
  background: var(--c-bg-card-dark); border: 1px solid var(--c-border-dark);
  border-radius: var(--radius-lg); padding: 32px;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.clinic-card:hover { transform: translateY(-4px); border-color: var(--c-primary); }
.clinic-card__icon { margin-bottom: 16px; color: var(--c-primary-light); }
.clinic-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.clinic-card p { font-size: .88rem; color: var(--c-text-light-muted); line-height: 1.65; }

/* ─── SCOPES GRID (Privacy) ─── */
.scopes-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  margin-bottom: 48px;
}
@media (max-width: 900px) { .scopes-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .scopes-grid { grid-template-columns: 1fr; } }

.scope-item {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 20px; border-radius: var(--radius-md);
  background: var(--c-bg-card); border: 1px solid var(--c-border);
}
.scope-item__toggle {
  width: 36px; height: 20px; border-radius: 999px; flex-shrink: 0;
  background: var(--c-border); position: relative; margin-top: 3px;
  transition: background var(--dur) var(--ease);
}
.scope-item__toggle::after {
  content: ''; position: absolute; top: 2px; left: 2px;
  width: 16px; height: 16px; border-radius: 50%;
  background: #fff; box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease);
}
.scope-item__toggle--on { background: var(--c-primary); }
.scope-item__toggle--on::after { transform: translateX(16px); }
.scope-item strong { display: block; font-size: .95rem; margin-bottom: 2px; }
.scope-item p { font-size: .82rem; color: var(--c-text-muted); line-height: 1.5; }

/* ─── PRIVACY PILLARS ─── */
.privacy-pillars {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px; background: var(--c-bg-dark); color: var(--c-text-light);
  border-radius: var(--radius-xl); padding: 32px;
}
.privacy-pillar strong { display: block; font-size: .95rem; margin-bottom: 4px; }
.privacy-pillar span { font-size: .82rem; color: var(--c-text-light-muted); }

/* ─── LOOP FLOW ─── */
.loop-flow { max-width: 700px; margin: 0 auto 64px; position: relative; padding-left: 48px; }
.loop-flow::before {
  content: ''; position: absolute; left: 19px; top: 0; bottom: 0;
  width: 2px; background: var(--c-border-dark);
}

.loop-step { position: relative; margin-bottom: 40px; }
.loop-step:last-child { margin-bottom: 0; }
.loop-step__num {
  position: absolute; left: -48px; top: 0;
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--c-primary); color: #fff;
  display: grid; place-items: center;
  font-weight: 700; font-size: 16px;
  box-shadow: 0 0 0 4px var(--c-bg-dark);
}
.loop-step__content h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.loop-step__content p { font-size: .9rem; color: var(--c-text-light-muted); line-height: 1.65; }

/* ─── LOOP SUMMARY ─── */
.loop-summary {
  display: flex; align-items: center; justify-content: center;
  gap: 16px; flex-wrap: wrap;
  padding: 32px; border-radius: var(--radius-xl);
  background: var(--c-bg-card-dark); border: 1px solid var(--c-border-dark);
}
.loop-summary__item {
  text-align: center; min-width: 100px;
}
.loop-summary__icon { display: flex; justify-content: center; margin-bottom: 6px; color: var(--c-primary-light); }
.loop-summary__item strong { display: block; font-size: .9rem; margin-bottom: 2px; }
.loop-summary__item p { font-size: .8rem; color: var(--c-text-light-muted); }
.loop-summary__arrow { color: var(--c-primary); display: flex; align-items: center; }
.loop-summary__arrow--return { color: var(--c-primary-light); opacity: .6; }

/* ─── TECH GRID ─── */
.tech-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
@media (max-width: 900px) { .tech-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .tech-grid { grid-template-columns: 1fr; } }

.tech-item {
  padding: 24px 20px; border-radius: var(--radius-md);
  background: var(--c-bg-card); border: 1px solid var(--c-border);
  text-align: center;
  transition: border-color var(--dur) var(--ease);
}
.tech-item:hover { border-color: var(--c-primary); }
.tech-item strong { display: block; font-size: .95rem; margin-bottom: 6px; }
.tech-item span { font-size: .82rem; color: var(--c-text-muted); }

/* ─── CTA ─── */
.section--cta {
  background: linear-gradient(160deg, var(--c-bg-dark) 0%, #0D1520 100%);
  color: var(--c-text-light); text-align: center;
  padding: 120px 0;
}
.cta__title {
  font-weight: 800;
  font-size: clamp(2rem, 4.5vw, 3rem); line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.cta__desc {
  font-size: 1.05rem; color: var(--c-text-light-muted);
  max-width: 520px; margin: 0 auto 56px; line-height: 1.7;
}

.steps-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 56px; }
@media (max-width: 768px) { .steps-row { grid-template-columns: 1fr; } }
.step-card {
  background: rgba(255,255,255,.04); border: 1px solid var(--c-border-dark);
  border-radius: var(--radius-xl); padding: 32px; text-align: left;
  transition: border-color var(--dur) var(--ease);
}
.step-card:hover { border-color: var(--c-primary); }
.step-card__num {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--c-primary); color: #fff;
  display: grid; place-items: center;
  font-weight: 700; font-size: 16px; margin-bottom: 16px;
}
.step-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.step-card p { font-size: .88rem; color: var(--c-text-light-muted); line-height: 1.6; }

.cta__actions { margin-bottom: 24px; }
.cta__contact { font-size: .9rem; color: var(--c-text-light-muted); margin-top: 12px; }
.cta__tagline {
  font-style: italic; font-weight: 500;
  font-size: 1rem; color: var(--c-text-light-muted);
}

/* ─── FOOTER ─── */
.footer {
  background: var(--c-bg-dark); color: var(--c-text-light-muted);
  border-top: 1px solid var(--c-border-dark); padding: 24px 0;
}
.footer__inner { display: flex; align-items: center; justify-content: space-between; }
.footer__brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 15px; }
.footer__links { display: flex; gap: 20px; font-size: .85rem; }
.footer__links a { opacity: .7; transition: opacity var(--dur) var(--ease); }
.footer__links a:hover { opacity: 1; color: var(--c-primary-light); }
.footer__copy { font-size: .82rem; }
@media (max-width: 600px) {
  .footer__inner { flex-direction: column; gap: 16px; text-align: center; }
  .footer__links { justify-content: center; flex-wrap: wrap; gap: 14px; }
}

/* ─── GLOBAL RESPONSIVE ─── */

/* Tablet — 600-900 */
@media (max-width: 900px) {
  .container { padding: 0 20px; }
  .eco-card { padding: 32px 24px; }
  .loop-summary__arrow { display: none; }
  .loop-summary { gap: 24px; }
}

/* Small tablet / large phone — 600px */
@media (max-width: 600px) {
  .section { padding: 64px 0; }
  .hero { padding: 100px 16px 60px; min-height: auto; min-height: 100dvh; }
  .hero__title { letter-spacing: -1px; }
  .hero__subtitle { font-size: 1rem; margin-bottom: 28px; }
  .hero__promises { gap: 8px; }
  .hero__pill { font-size: 13px; padding: 6px 14px; }
  .hero__actions { flex-direction: column; gap: 12px; align-items: center; }
  .hero__actions .btn--lg { width: 100%; max-width: 320px; }

  .section__header { margin-bottom: 40px; }

  .eco-card { padding: 24px 20px; }
  .eco-card h3 { font-size: 1.3rem; }

  .feature-section { padding: 24px 20px; }
  .feature-section__header { flex-direction: column; gap: 8px; }
  .feature-detail { padding: 16px; }

  .care-card { padding: 24px 20px; }
  .care-card h3 { font-size: 1rem; }

  .clinic-card { padding: 24px 20px; }

  .briefing-item { flex-direction: column; gap: 4px; }
  .briefing-item strong { min-width: auto; }

  .loop-flow { padding-left: 40px; }
  .loop-flow::before { left: 15px; }
  .loop-step__num { left: -40px; width: 32px; height: 32px; font-size: 14px; }

  .loop-summary { padding: 24px; gap: 20px; }
  .loop-summary__item { min-width: 70px; }

  .privacy-pillars { padding: 24px; }

  .section--cta { padding: 80px 0; }
  .cta__desc { margin-bottom: 40px; }
  .cta__actions .btn--xl { width: 100%; max-width: 320px; padding: 16px 32px; font-size: 16px; }
}

/* Phone — 400px */
@media (max-width: 400px) {
  .container { padding: 0 16px; }
  .hero { padding: 90px 16px 48px; }
  .hero__pill { font-size: 12px; padding: 5px 12px; }
  .hero__pill .icon { width: 14px; height: 14px; }

  .section__title { font-size: 1.7rem; }

  .eco-card__highlights span { font-size: 11px; padding: 3px 10px; }

  .feature-section { padding: 20px 16px; margin-bottom: 16px; }
  .feature-detail { padding: 14px; }
  .feature-detail strong { font-size: .9rem; }
  .feature-detail p { font-size: .85rem; }

  .care-card { padding: 20px 16px; border-radius: var(--radius-lg); }
  .problem-card { padding: 24px; }
  .clinic-card { padding: 24px 20px; }

  .step-card { padding: 24px; }

  .scope-item { padding: 14px; }

  .scale-item { flex-direction: column; align-items: flex-start; gap: 2px; }

  .loop-flow { padding-left: 36px; }
  .loop-flow::before { left: 13px; }
  .loop-step__num { left: -36px; width: 28px; height: 28px; font-size: 12px; }
  .loop-step { margin-bottom: 32px; }

  .tech-item { padding: 16px; }
}

/* Safe area for iPhone notch/home indicator */
@supports (padding: env(safe-area-inset-bottom)) {
  .footer { padding-bottom: calc(24px + env(safe-area-inset-bottom)); }
  .nav { padding-top: env(safe-area-inset-top); }
}