/* ============================================
   LIBERTY WATER v6 — LIVING WATER AESTHETIC
   ============================================ */

/* --- CUSTOM PROPERTIES --- */
:root {
  /* Surfaces */
  --color-bg: #EFF5F7;
  --color-surface: #E4EDF1;
  --color-warm: #F5F0E8;

  /* Text */
  --color-text: #1C2B3A;
  --color-text-secondary: #5A6B7A;

  /* Accents */
  --color-navy: #1A2744;
  --color-water: #3A7CA5;
  --color-success: #4A7C59;
  --color-danger: #C44536;
  --color-warning: #D4933A;

  /* Grade colors */
  --grade-a: #4A7C59;
  --grade-b: #3A7CA5;
  --grade-c: #D4933A;
  --grade-d: #C44536;
  --grade-f: #8B2020;

  /* Borders & Dividers */
  --color-card-border: rgba(26, 39, 68, 0.08);
  --color-nav-border: rgba(58, 124, 165, 0.15);

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(26, 39, 68, 0.06);
  --shadow-md: 0 4px 16px rgba(26, 39, 68, 0.08);
  --shadow-lg: 0 12px 32px rgba(26, 39, 68, 0.1);
  --shadow-lift: 0 8px 24px rgba(26, 39, 68, 0.12);

  /* Content widths */
  --content-default: 960px;
  --content-wide: 1200px;

  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}


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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  hanging-punctuation: first last;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
  line-height: 1.15;
}

p, li, figcaption {
  text-wrap: pretty;
  max-width: 72ch;
}

a {
  color: var(--color-water);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

a:hover {
  color: var(--color-navy);
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

::selection {
  background: rgba(58, 124, 165, 0.2);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-water);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* --- PREFERS REDUCED MOTION --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .bubbles,
  .hero__wave,
  .hero__drop-svg {
    animation: none !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}


/* --- SHARED TYPOGRAPHY --- */
.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-4);
}

.section-sub {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.7;
}


/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.025em;
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
  cursor: pointer;
  border: none;
}

.btn--primary {
  background: var(--color-navy);
  color: #fff;
}

.btn--primary:hover {
  background: #243456;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn--lg {
  padding: var(--space-4) var(--space-12);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}


/* =============================================
   FLOATING BUBBLES (very subtle, CSS-only)
   ============================================= */
.bubbles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.bubble {
  position: absolute;
  border-radius: 50%;
  background: rgba(58, 124, 165, 0.04);
  will-change: transform, opacity;
}

.bubble--1 {
  width: 3px;
  height: 3px;
  left: 12%;
  bottom: -10px;
  opacity: 0.05;
  animation: bubble-float 28s linear infinite;
}

.bubble--2 {
  width: 2px;
  height: 2px;
  left: 35%;
  bottom: -10px;
  opacity: 0.04;
  animation: bubble-float 34s linear infinite 4s;
}

.bubble--3 {
  width: 4px;
  height: 4px;
  left: 58%;
  bottom: -10px;
  opacity: 0.03;
  animation: bubble-float 26s linear infinite 8s;
}

.bubble--4 {
  width: 2px;
  height: 2px;
  left: 78%;
  bottom: -10px;
  opacity: 0.06;
  animation: bubble-float 32s linear infinite 12s;
}

.bubble--5 {
  width: 3px;
  height: 3px;
  left: 92%;
  bottom: -10px;
  opacity: 0.04;
  animation: bubble-float 30s linear infinite 2s;
}

.bubble--6 {
  width: 2px;
  height: 2px;
  left: 48%;
  bottom: -10px;
  opacity: 0.05;
  animation: bubble-float 36s linear infinite 16s;
}

@keyframes bubble-float {
  0% {
    transform: translateY(0) translateX(0);
    opacity: 0;
  }
  5% {
    opacity: var(--bubble-opacity, 0.04);
  }
  50% {
    transform: translateY(-50vh) translateX(15px);
  }
  95% {
    opacity: var(--bubble-opacity, 0.04);
  }
  100% {
    transform: translateY(-110vh) translateX(-10px);
    opacity: 0;
  }
}


/* =============================================
   SECTION BACKGROUND LIGHT DRIFT
   ============================================= */
.grades,
.explainer,
.whatwedo,
.reports {
  position: relative;
  overflow: hidden;
}

.grades::before,
.explainer::before,
.whatwedo::before,
.reports::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    ellipse 400px 300px at 30% 40%,
    rgba(58, 124, 165, 0.04),
    transparent 70%
  );
  animation: light-drift 40s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
  will-change: transform;
}

.whatwedo::before {
  animation-delay: -10s;
}

.explainer::before {
  animation-delay: -20s;
}

.reports::before {
  animation-delay: -30s;
}

@keyframes light-drift {
  0%, 100% {
    transform: translate(0%, 0%);
  }
  25% {
    transform: translate(15%, 8%);
  }
  50% {
    transform: translate(25%, -5%);
  }
  75% {
    transform: translate(10%, 12%);
  }
}

/* Ensure content stays above the light drift */
.grades__inner,
.explainer__inner,
.whatwedo__inner,
.reports__inner {
  position: relative;
  z-index: 1;
}


/* --- NAVIGATION --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(239, 245, 247, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-nav-border);
}

.nav__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
}

.nav__logo svg {
  height: 36px;
  width: auto;
  display: block;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-interactive);
  letter-spacing: 0.01em;
}

.nav__link:hover {
  color: var(--color-navy);
}

.nav__cta {
  font-size: var(--text-sm);
  font-weight: 600;
  color: #fff;
  background: var(--color-navy);
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition:
    background var(--transition-interactive),
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

.nav__cta:hover {
  background: #243456;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-navy);
  border-radius: 1px;
  transition: all 0.3s ease;
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
  }
  .nav__hamburger {
    display: flex;
  }
}


/* --- MOBILE MENU --- */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
  background: rgba(239, 245, 247, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-out);
}

.mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
}

.mobile-menu__link {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-navy);
  text-decoration: none;
  font-weight: 500;
}

.mobile-menu__cta {
  font-size: var(--text-base);
  font-weight: 600;
  color: #fff;
  background: var(--color-navy);
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-md);
  text-decoration: none;
  margin-top: var(--space-4);
}


/* =============================================
   HERO
   ============================================= */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(80px + var(--space-12)) var(--space-6) var(--space-8);
  position: relative;
  overflow: hidden;
}

.hero__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.18;
  pointer-events: none;
}

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(239,245,247,0.88) 0%,
    rgba(239,245,247,0.7) 40%,
    rgba(228,237,241,0.65) 100%
  );
  z-index: 1;
  pointer-events: none;
}

.hero__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero__inner--centered {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex: 1;
}

.hero__text--centered {
  max-width: 680px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__text--centered .hero__headline {
  text-align: center;
}

.hero__text--centered .hero__sub {
  max-width: 580px;
  text-align: center;
}

.hero__text--centered .hero__actions {
  justify-content: center;
}

.hero__text {
  max-width: 560px;
}

.hero__label {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-water);
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.hero__headline {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.1;
  margin-bottom: var(--space-6);
}

.hero__sub {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-8);
  max-width: 480px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.hero__text-link {
  font-size: var(--text-sm);
  color: var(--color-water);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(58, 124, 165, 0.3);
  transition: text-decoration-color var(--transition-interactive), color var(--transition-interactive);
}

.hero__text-link:hover {
  text-decoration-color: var(--color-navy);
  color: var(--color-navy);
}


/* --- HERO SHIELD VISUAL --- */
.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__shield {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

.hero__shield-svg {
  width: 100%;
  height: auto;
  display: block;
}

.hero__stats-ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero__mini-stat {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-3) var(--space-4);
  background: rgba(239,245,247,0.85);
  backdrop-filter: blur(6px);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.hero__mini-num {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.1;
}

.hero__mini-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: center;
  white-space: nowrap;
}

.hero__mini-stat--tl { top: 2%; left: -8%; }
.hero__mini-stat--tr { top: 8%; right: -5%; }
.hero__mini-stat--bl { bottom: 18%; left: -10%; }
.hero__mini-stat--br { bottom: 12%; right: -8%; }


/* --- HERO WAVE (water surface at bottom) --- */
.hero__wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60px;
  z-index: 1;
  pointer-events: none;
}

.hero__wave svg {
  width: 100%;
  height: 100%;
  display: block;
}

.hero__wave-path--1 {
  animation: wave-undulate-1 6s ease-in-out infinite;
  transform-origin: center;
  will-change: d;
}

.hero__wave-path--2 {
  animation: wave-undulate-2 8s ease-in-out infinite;
  transform-origin: center;
  will-change: d;
}

@keyframes wave-undulate-1 {
  0%, 100% {
    d: path("M0,30 C240,10 480,50 720,30 C960,10 1200,50 1440,30 L1440,60 L0,60 Z");
  }
  50% {
    d: path("M0,35 C300,50 540,10 720,35 C900,55 1140,15 1440,35 L1440,60 L0,60 Z");
  }
}

@keyframes wave-undulate-2 {
  0%, 100% {
    d: path("M0,35 C360,15 720,55 1080,30 C1260,18 1380,40 1440,35 L1440,60 L0,60 Z");
  }
  50% {
    d: path("M0,28 C300,50 600,15 900,38 C1200,55 1350,20 1440,28 L1440,60 L0,60 Z");
  }
}


/* Hero disclaimer */
.hero__disclaimer {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  opacity: 0.7;
  margin-top: var(--space-12);
  padding-top: 0;
  position: relative;
  z-index: 3;
}

@media (max-width: 768px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .hero__text {
    max-width: 100%;
  }
  .hero__visual {
    order: -1;
  }
  .hero__shield {
    max-width: 280px;
  }
  .hero__mini-stat--tl { left: 0; }
  .hero__mini-stat--tr { right: 0; }
  .hero__mini-stat--bl { left: 0; }
  .hero__mini-stat--br { right: 0; }
  .hero {
    min-height: auto;
    padding-top: calc(80px + var(--space-8));
    padding-bottom: var(--space-8);
  }
}


/* =============================================
   GRADES SECTION
   ============================================= */
.grades {
  background: var(--color-surface);
  padding: clamp(var(--space-16), 6vw, var(--space-24)) var(--space-6);
}

.grades__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.grades__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.grades__header .section-sub {
  margin: 0 auto;
}


/* --- PRIMARY GRADE CARDS (4-up) --- */
.grades__grid--primary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

@media (max-width: 1024px) {
  .grades__grid--primary {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .grades__grid--primary {
    grid-template-columns: 1fr;
  }
}


/* --- GRADE CARD (primary, large) --- */
.grade-card {
  background: var(--color-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  will-change: transform;
}

.grade-card:hover {
  box-shadow: var(--shadow-lift);
  transform: translateY(-4px);
}

.grade-card__city {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-navy);
}

.grade-card__badge {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  margin: var(--space-2) auto;
}

.grade-card__badge--a { background: var(--grade-a); }
.grade-card__badge--b { background: var(--grade-b); }
.grade-card__badge--c { background: var(--grade-c); }
.grade-card__badge--d { background: var(--grade-d); }
.grade-card__badge--f { background: var(--grade-f); }

.grade-card__score {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.grade-card__summary {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  flex: 1;
}

.grade-card__stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: var(--space-2) 0;
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-card-border);
  border-bottom: 1px solid var(--color-card-border);
}

.grade-card__stat {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  justify-content: center;
  flex-wrap: wrap;
}

.grade-card__stat-num {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-navy);
}

.grade-card__stat-num--danger {
  color: var(--color-danger);
}

.grade-card__stat-num--warning {
  color: var(--color-warning);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  font-weight: 700;
}

.grade-card__stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.grade-card__report {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-water);
  text-decoration: none;
  margin-top: var(--space-1);
  transition: color var(--transition-interactive);
}

.grade-card__report:hover {
  color: var(--color-navy);
}

.grade-card__sources {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  opacity: 0.65;
  line-height: 1.5;
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-card-border);
}

.grade-card__sources a {
  color: var(--color-text-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.grade-card__sources a:hover {
  color: var(--color-navy);
}


/* --- SURROUNDING COMMUNITIES HEADING --- */
.grades__surrounding {
  text-align: center;
  margin-bottom: var(--space-8);
}

.grades__surrounding-heading {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-navy);
  position: relative;
  display: inline-block;
}

.grades__surrounding-heading::before,
.grades__surrounding-heading::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 60px;
  height: 1px;
  background: var(--color-card-border);
}

.grades__surrounding-heading::before {
  right: calc(100% + var(--space-4));
}

.grades__surrounding-heading::after {
  left: calc(100% + var(--space-4));
}


/* --- SURROUNDING COMMUNITY CARDS (small, compact) --- */
.grades__grid--surrounding {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

@media (max-width: 1024px) {
  .grades__grid--surrounding {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .grades__grid--surrounding {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 400px) {
  .grades__grid--surrounding {
    grid-template-columns: 1fr;
  }
}

.grade-card-sm {
  background: var(--color-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  will-change: transform;
}

.grade-card-sm:hover {
  box-shadow: var(--shadow-lift);
  transform: translateY(-4px);
}

.grade-card-sm__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.grade-card-sm__city {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-navy);
}

.grade-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
  padding: 0 var(--space-1);
  flex-shrink: 0;
}

.grade-badge--a { background: var(--grade-a); }
.grade-badge--b { background: var(--grade-b); }
.grade-badge--c { background: var(--grade-c); }
.grade-badge--d { background: var(--grade-d); }
.grade-badge--f { background: var(--grade-f); }

.grade-card-sm__score {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
}

.grade-card-sm__detail {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: 1.5;
  flex: 1;
}

.grade-card-sm__link {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-water);
  text-decoration: none;
  margin-top: auto;
  transition: color var(--transition-interactive);
}

.grade-card-sm__link:hover {
  color: var(--color-navy);
}


/* --- GRADES DISCLAIMER & CALLOUT --- */
.grades__disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.7;
  opacity: 0.8;
}

.grades__disclaimer a {
  color: var(--color-text-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.grades__disclaimer a:hover {
  color: var(--color-navy);
}

.grades__callout {
  font-size: var(--text-sm);
  color: var(--color-text);
  text-align: center;
  margin-top: var(--space-4);
  font-weight: 500;
}

.grades__callout a {
  color: var(--color-navy);
  font-weight: 600;
  text-decoration: none;
}

.grades__callout a:hover {
  color: var(--color-water);
}


/* --- EXPLAINER --- */
.explainer {
  padding: clamp(var(--space-16), 6vw, var(--space-24)) var(--space-6);
}

.explainer__inner {
  max-width: var(--content-default);
  margin: 0 auto;
}

.explainer__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.explainer__content p {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.8;
  max-width: 64ch;
}


/* --- WHAT WE DO --- */
.whatwedo {
  background: var(--color-surface);
  padding: clamp(var(--space-16), 6vw, var(--space-24)) var(--space-6);
}

.whatwedo__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.whatwedo__header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.whatwedo__header .section-sub {
  margin: 0 auto;
}

.whatwedo__desc {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.8;
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-12);
}


/* --- BEFORE / AFTER COMPARISON --- */
.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  max-width: 900px;
  margin: 0 auto;
}

.comparison__col {
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.comparison__col:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.comparison__col--before {
  background: rgba(196, 69, 54, 0.05);
  border: 1px solid rgba(196, 69, 54, 0.12);
}

.comparison__col--after {
  background: rgba(74, 124, 89, 0.06);
  border: 1px solid rgba(74, 124, 89, 0.15);
}

.comparison__heading {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
}

.comparison__heading--before {
  color: var(--color-danger);
}

.comparison__heading--after {
  color: var(--color-success);
}

.comparison__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.comparison__list li {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.6;
  padding-left: var(--space-6);
  position: relative;
}

.comparison__col--before .comparison__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(196, 69, 54, 0.25);
}

.comparison__col--after .comparison__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.4em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(74, 124, 89, 0.2);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 10'%3E%3Cpath d='M2.5 5.5L4 7L7.5 3.5' stroke='%234A7C59' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: 10px 10px;
}

@media (max-width: 640px) {
  .comparison {
    grid-template-columns: 1fr;
  }
}

.whatwedo__cta {
  text-align: center;
  margin-top: var(--space-12);
}


/* --- REPORTS --- */
.reports {
  padding: clamp(var(--space-16), 6vw, var(--space-24)) var(--space-6);
  background: var(--color-bg);
}

.reports__inner {
  max-width: var(--content-default);
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.reports__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.report-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-6) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition:
    box-shadow 0.3s ease,
    transform 0.3s ease,
    border-color var(--transition-interactive);
}

.report-link:hover {
  box-shadow: var(--shadow-lift);
  transform: translateY(-4px);
  border-color: var(--color-water);
}

.report-link__city {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-navy);
}

.report-link__label {
  font-size: var(--text-xs);
  color: var(--color-water);
  font-weight: 500;
}

.reports__note {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-top: var(--space-6);
  opacity: 0.7;
}

@media (max-width: 640px) {
  .reports__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}


/* --- ASSESSMENT CTA --- */
.assessment {
  background: var(--color-warm);
  padding: clamp(var(--space-16), 8vw, var(--space-32)) var(--space-6);
}

.assessment__inner {
  max-width: var(--content-default);
  margin: 0 auto;
}

.assessment__content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.assessment__body {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.8;
  max-width: 580px;
}

.assessment__price {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-6) var(--space-10);
  background: rgba(26, 39, 68, 0.04);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(26, 39, 68, 0.08);
}

.assessment__price-amount {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-navy);
}

.assessment__price-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.assessment__credit {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  max-width: 500px;
  line-height: 1.7;
}

.assessment__contact {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
}

.assessment__contact a {
  color: var(--color-navy);
  font-weight: 500;
  text-decoration: none;
}

.assessment__contact a:hover {
  color: var(--color-water);
}

.assessment__divider {
  color: var(--color-text-secondary);
  opacity: 0.4;
}

.assessment__financing {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  opacity: 0.7;
}


/* --- FOOTER --- */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-card-border);
  padding: var(--space-12) var(--space-6);
}

.footer__inner {
  max-width: var(--content-default);
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.footer__logo svg {
  height: 32px;
  width: auto;
  opacity: 0.6;
}

.footer__company {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-navy);
}

.footer__sep {
  color: var(--color-text-secondary);
  opacity: 0.4;
  margin: 0 var(--space-1);
}

.footer__service {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.footer__contact {
  font-size: var(--text-sm);
}

.footer__contact a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.footer__contact a:hover {
  color: var(--color-navy);
}


/* =============================================
   SCROLL FADE-IN ANIMATIONS
   ============================================= */
.fade-in {
  opacity: 1; /* Visible by default (no JS fallback) */
}

.fade-in--hidden {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  will-change: opacity, transform;
}

.fade-in--visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delay classes (applied by JS) */
.stagger-1 { transition-delay: 0ms; }
.stagger-2 { transition-delay: 100ms; }
.stagger-3 { transition-delay: 200ms; }
.stagger-4 { transition-delay: 300ms; }
.stagger-5 { transition-delay: 400ms; }
.stagger-6 { transition-delay: 500ms; }
.stagger-7 { transition-delay: 600ms; }
.stagger-8 { transition-delay: 700ms; }
.stagger-9 { transition-delay: 800ms; }
.stagger-10 { transition-delay: 900ms; }