/* ============================================================
   SOUNDMUD — style.css
   ============================================================ */

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }
input, select, textarea, button { font-family: inherit; font-size: inherit; }

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  /* Palette */
  --c-green-900: #1a3d2b;
  --c-green-800: #1f4d34;
  --c-green-700: #2d6a4f;
  --c-green-500: #40916c;
  --c-green-400: #52b788;
  --c-green-300: #74c69d;
  --c-green-200: #b7e4c7;
  --c-green-100: #d8f3dc;
  --c-green-50:  #f0faf3;

  --c-cream:     #faf8f3;
  --c-warm:      #f2ede4;
  --c-warm-dark: #e8e1d5;
  --c-white:     #ffffff;

  --c-text:      #1a1a1a;
  --c-text-mid:  #525252;
  --c-text-muted:#8a8a8a;
  --c-border:    #e5e0d8;

  /* Typography */
  --f-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --f-body:    'Inter', system-ui, -apple-system, sans-serif;

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

  /* Layout */
  --max-w:        1160px;
  --max-w-narrow: 720px;
  --nav-h:        68px;

  /* Shape */
  --r-sm:   4px;
  --r-md:   10px;
  --r-lg:   18px;
  --r-xl:   28px;
  --r-full: 9999px;

  /* Shadows */
  --sh-sm:  0 1px 4px rgba(0,0,0,0.07);
  --sh-md:  0 4px 18px rgba(0,0,0,0.09);
  --sh-lg:  0 8px 36px rgba(0,0,0,0.13);

  /* Motion */
  --ease: 0.22s ease;
  --ease-slow: 0.45s ease;
}

/* ============================================================
   BASE
   ============================================================ */
body {
  font-family: var(--f-body);
  font-size: 1rem;
  color: var(--c-text);
  background: var(--c-cream);
  line-height: 1.65;
}

/* ============================================================
   LAYOUT HELPERS
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}
.container--narrow {
  max-width: var(--max-w-narrow);
}

.section {
  padding: var(--sp-24) 0;
}
.section--alt   { background: var(--c-warm); }
.section--green { background: var(--c-green-900); color: var(--c-white); }

.section__header {
  text-align: center;
  margin-bottom: var(--sp-12);
}
.section__header p {
  max-width: 52ch;
  margin: var(--sp-4) auto 0;
  color: var(--c-text-mid);
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1 {
  font-family: var(--f-display);
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
}
h2 {
  font-family: var(--f-display);
  font-size: clamp(1.75rem, 3.2vw, 2.6rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.015em;
}
h3 {
  font-family: var(--f-body);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.4;
}
p { line-height: 1.72; }

.label {
  display: inline-block;
  font-family: var(--f-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-green-500);
  margin-bottom: var(--sp-3);
}
.label--light { color: var(--c-green-300); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.75rem 1.5rem;
  border-radius: var(--r-full);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  transition: all var(--ease);
  cursor: pointer;
}
.btn--green {
  background: var(--c-green-700);
  color: var(--c-white);
}
.btn--green:hover {
  background: var(--c-green-900);
  transform: translateY(-1px);
  box-shadow: var(--sh-md);
}
.btn--white {
  background: var(--c-white);
  color: var(--c-green-900);
}
.btn--white:hover {
  background: var(--c-green-100);
}
.btn--outline {
  border: 1.5px solid var(--c-green-700);
  color: var(--c-green-700);
}
.btn--outline:hover {
  background: var(--c-green-100);
}
.btn--outline-light {
  border: 1.5px solid rgba(255,255,255,0.35);
  color: var(--c-white);
}
.btn--outline-light:hover {
  background: rgba(255,255,255,0.12);
}
.btn--lg { padding: 1rem 2.25rem; font-size: 1rem; }
.btn--sm { padding: 0.5rem 1.1rem; font-size: 0.85rem; }

/* Glassmorphism — hero only */
.btn--glass-green {
  background: rgba(45, 106, 79, 0.55);
  color: var(--c-white);
  border: 1.5px solid rgba(116, 198, 157, 0.3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.btn--glass-green:hover {
  background: rgba(64, 145, 108, 0.72);
  border-color: rgba(116, 198, 157, 0.55);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
}
.btn--glass {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.85);
  border: 1.5px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.btn--glass:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.32);
  color: var(--c-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  background: rgba(250, 248, 243, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease), box-shadow var(--ease);
}
.nav.scrolled {
  border-color: var(--c-border);
  box-shadow: var(--sh-sm);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}
.nav__logo { display: flex; align-items: center; gap: var(--sp-2); }
.nav__logo-text {
  font-family: var(--f-body);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--c-green-900);
}
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
}
.nav__links a {
  font-size: 0.9rem;
  color: var(--c-text-mid);
  transition: color var(--ease);
}
.nav__links a:hover,
.nav__links a.active { color: var(--c-green-700); }
.nav__links li:last-child a { margin-left: var(--sp-2); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-2);
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: all var(--ease);
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Transparent nav when sitting over the dark hero */
.nav--over-hero {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-color: transparent;
  box-shadow: none;
}
.nav--over-hero .nav__logo-text              { color: var(--c-white); }
.nav--over-hero .nav__links > li > a         { color: rgba(255,255,255,0.65); }
.nav--over-hero .nav__links > li > a:hover,
.nav--over-hero .nav__links > li > a.active  { color: var(--c-white); }
.nav--over-hero .nav__toggle span            { background: var(--c-white); }
.nav--over-hero .nav__links .btn--green {
  background: rgba(45,106,79,0.55);
  border: 1.5px solid rgba(116,198,157,0.3);
  color: var(--c-white);
}
/* Scrolled-but-still-over-hero: dark frosted variant */
.nav--over-hero.scrolled {
  background: rgba(26,61,43,0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-color: rgba(255,255,255,0.07);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-h);
  position: relative;
  overflow: hidden;
  background: var(--c-green-900);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 70% at 80% 50%, rgba(116,198,157,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 40% 45% at 10% 80%, rgba(64,145,108,0.05) 0%, transparent 55%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  align-items: center;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--sp-20) var(--sp-6);
  position: relative;
  z-index: 1;
}

/* Left column */
.hero__content { /* inherits grid cell */ }

.hero__kicker {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-green-300);
  margin-bottom: var(--sp-5);
  opacity: 0;
  animation: fadeUp 0.8s ease 0.2s forwards;
}

.hero__headline {
  margin-bottom: var(--sp-6);
  color: var(--c-white);
  text-shadow: 0 0 80px rgba(116, 198, 157, 0.1);
}

/* Per-character entrance animation */
.hero__headline .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.65, 0.3, 0.9),
              transform 0.7s cubic-bezier(0.2, 0.65, 0.3, 0.9);
  transition-delay: var(--char-delay, 0s);
}
.hero__headline.chars-animated .char {
  opacity: 1;
  transform: translateY(0);
}

.hero__sub {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.58);
  max-width: 42ch;
  margin-bottom: var(--sp-8);
  line-height: 1.82;
  opacity: 0;
  animation: fadeUp 0.9s ease 1.6s forwards;
}

.hero__actions {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-bottom: var(--sp-6);
  opacity: 0;
  animation: fadeUp 0.8s ease 1.9s forwards;
}

.hero__goal {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.28);
  opacity: 0;
  animation: fadeUp 0.8s ease 2.1s forwards;
}
.hero__goal strong {
  color: var(--c-green-300);
  font-weight: 600;
}

/* Right column — pixel art canvas */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__pixel-canvas {
  width: 100%;
  max-width: 480px;
  height: auto;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  border-radius: var(--r-lg);
  box-shadow:
    0 0 0 1px rgba(116,198,157,0.14),
    0 0 48px rgba(116,198,157,0.07),
    var(--sh-lg);
  opacity: 0;
  animation: fadeUp 1s ease 0.4s forwards;
}

.hero__scroll {
  position: absolute;
  bottom: var(--sp-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.28);
  animation: bob 2.2s ease-in-out infinite;
  z-index: 1;
}

@keyframes bob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(7px); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   MISSION / ABOUT
   ============================================================ */
.mission {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--sp-16);
  align-items: start;
}
.mission__text h2 { margin-bottom: var(--sp-6); }
.mission__text p {
  color: var(--c-text-mid);
  margin-bottom: var(--sp-4);
}
.mission__quote {
  margin-top: var(--sp-8);
  border-left: 3px solid var(--c-green-400);
  padding: var(--sp-4) var(--sp-6);
  background: var(--c-green-50);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  font-family: var(--f-display);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--c-green-700);
  line-height: 1.7;
}

.pillars {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}
.pillar {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-left: 3px solid transparent;
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  transition: box-shadow var(--ease), transform var(--ease), border-color var(--ease);
}
.pillar:hover {
  box-shadow: var(--sh-md);
  transform: translateY(-2px);
  border-left-color: var(--c-green-400);
}
.pillar__icon {
  width: 38px;
  height: 38px;
  border-radius: var(--r-md);
  background: var(--c-green-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: var(--sp-4);
  color: var(--c-green-700);
}
.pillar h3 { margin-bottom: var(--sp-2); }
.pillar p  { font-size: 0.9375rem; color: var(--c-text-mid); }

/* ============================================================
   EPISODES
   ============================================================ */
.episodes__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--sp-5);
}
.episode-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  transition: box-shadow var(--ease), transform var(--ease);
}
.episode-card:hover {
  box-shadow: var(--sh-md);
  transform: translateY(-2px);
}
.episode-card--coming {
  border: 1.5px dashed var(--c-green-300);
  background: var(--c-green-50);
}
.episode-card__number {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-green-500);
}
.episode-card__body { flex: 1; }
.episode-card__badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-green-700);
  background: var(--c-green-100);
  padding: 0.2rem 0.6rem;
  border-radius: var(--r-full);
  margin-bottom: var(--sp-3);
}
.episode-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--sp-2);
  color: var(--c-green-900);
}
.episode-card__desc {
  font-size: 0.9375rem;
  color: var(--c-text-mid);
}
.episode-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  font-size: 0.85rem;
  color: var(--c-text-muted);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--c-border);
}

/* ============================================================
   SUSTAINABILITY TEASER
   ============================================================ */
.sustain-teaser {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--sp-16);
  align-items: center;
}
.sustain-teaser__content h2 {
  color: var(--c-white);
  margin-bottom: var(--sp-5);
}
.sustain-teaser__content p {
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--sp-8);
  line-height: 1.78;
}
.sustain-teaser__stats {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}
.stat {
  text-align: center;
  padding: var(--sp-5) var(--sp-6);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r-lg);
  transition: background var(--ease);
}
.stat:hover { background: rgba(255,255,255,0.12); }
.stat__number {
  display: block;
  font-family: var(--f-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--c-green-300);
  line-height: 1;
  margin-bottom: var(--sp-2);
}
.stat__label {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

/* ============================================================
   LISTEN / PLATFORMS
   ============================================================ */
.platforms {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  justify-content: center;
}
.platform {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-6);
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-full);
  font-weight: 500;
  font-size: 0.9375rem;
  transition: all var(--ease);
  background: var(--c-white);
}
.platform:hover {
  border-color: var(--c-green-500);
  background: var(--c-green-50);
  transform: translateY(-2px);
  box-shadow: var(--sh-sm);
}
.platform svg { width: 22px; height: 22px; flex-shrink: 0; }
.platform--spotify:hover { color: #1DB954; border-color: #1DB954; }
.platform--apple:hover   { color: #FC3C44; border-color: #FC3C44; }
.platform--youtube:hover { color: #FF0000; border-color: #FF0000; }

/* ============================================================
   NEWSLETTER
   ============================================================ */
.newsletter-form__fields {
  display: flex;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}
.input {
  flex: 1;
  padding: 0.9rem 1.3rem;
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-full);
  background: var(--c-white);
  font-size: 0.9375rem;
  color: var(--c-text);
  outline: none;
  transition: border-color var(--ease), box-shadow var(--ease);
}
.input:focus {
  border-color: var(--c-green-500);
  box-shadow: 0 0 0 3px rgba(64,145,108,0.15);
}
.newsletter-form__note {
  font-size: 0.82rem;
  color: var(--c-text-muted);
  text-align: center;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--c-green-900);
  color: var(--c-white);
  padding: var(--sp-16) 0 var(--sp-8);
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--sp-8);
  margin-bottom: var(--sp-12);
  flex-wrap: wrap;
}
.footer__logo {
  display: block;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin-bottom: var(--sp-3);
}
.footer__tagline {
  font-size: 0.88rem;
  color: var(--c-green-300);
  font-style: italic;
}
.footer__nav {
  display: flex;
  gap: var(--sp-5);
  flex-wrap: wrap;
}
.footer__nav a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--ease);
}
.footer__nav a:hover { color: var(--c-white); }
.footer__social {
  display: flex;
  gap: var(--sp-4);
}
.footer__social a {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.55);
  transition: color var(--ease);
}
.footer__social a:hover { color: var(--c-white); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--sp-8);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.83rem;
  color: rgba(255,255,255,0.35);
  flex-wrap: wrap;
  gap: var(--sp-4);
}
.footer__sustain-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  background: rgba(255,255,255,0.07);
  border-radius: var(--r-full);
  color: var(--c-green-300) !important;
  font-size: 0.78rem;
  font-weight: 600;
  transition: background var(--ease);
}
.footer__sustain-badge:hover { background: rgba(255,255,255,0.14); }

/* ============================================================
   ACCESSIBILITY UTILITY
   ============================================================ */
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ============================================================
   SUSTAINABILITY PAGE
   ============================================================ */

/* Hero */
.sustain-hero {
  background: var(--c-green-900);
  color: var(--c-white);
  padding: calc(var(--nav-h) + var(--sp-20)) 0 var(--sp-20);
  position: relative;
  overflow: hidden;
}
.sustain-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 70% 30%, rgba(116,198,157,0.07) 0%, transparent 65%),
    radial-gradient(ellipse 40% 45% at 15% 85%, rgba(64,145,108,0.05) 0%, transparent 60%);
  pointer-events: none;
}
.sustain-hero .container { position: relative; z-index: 1; }
.sustain-hero .label    { animation: fadeUp 0.8s ease 0.15s both; }
.sustain-hero h1 {
  color: var(--c-white);
  margin: var(--sp-4) 0 var(--sp-6);
  text-shadow: 0 0 80px rgba(116,198,157,0.1);
  animation: fadeUp 0.9s ease 0.3s both;
}
.sustain-hero .hero__sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.58);
  max-width: 58ch;
  line-height: 1.82;
  animation: fadeUp 0.9s ease 0.5s both;
}

/* Decision Filter */
.decision-filter { text-align: center; }
.decision-filter h2 {
  color: var(--c-white);
  margin-bottom: var(--sp-6);
}
.decision-filter__quote {
  font-family: var(--f-display);
  font-size: clamp(1.15rem, 2.5vw, 1.55rem);
  font-style: italic;
  color: var(--c-green-300);
  line-height: 1.7;
  max-width: 52ch;
  margin: 0 auto var(--sp-8);
}
.decision-filter__body {
  color: rgba(255,255,255,0.6);
  max-width: 46ch;
  margin: 0 auto var(--sp-10);
}
.decision-filter__body strong { color: var(--c-green-300); }

/* Commitments */
.commitments {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
.commitment {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  transition: box-shadow var(--ease), transform var(--ease);
}
.commitment:hover {
  box-shadow: var(--sh-md);
  transform: translateY(-2px);
}
.commitment__number {
  font-family: var(--f-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--c-green-100);
  line-height: 1;
}
.commitment h3 { font-size: 1.2rem; color: var(--c-green-900); }
.commitment p  { font-size: 0.9375rem; color: var(--c-text-mid); flex: 1; }

.status {
  display: inline-block;
  padding: 0.25rem 0.8rem;
  border-radius: var(--r-full);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.status--active      { background: var(--c-green-100); color: var(--c-green-700); }
.status--in-progress { background: #fef9c3; color: #854d0e; }

/* Carbon Calculator */
.calculator {
  background: var(--c-green-900);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--sh-lg);
}
.calculator__header {
  padding: var(--sp-8) var(--sp-10);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.calculator__header h2 { color: var(--c-white); margin-bottom: var(--sp-2); }
.calculator__header p  { color: rgba(255,255,255,0.55); font-size: 0.9375rem; }

.calculator__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.calculator__inputs {
  padding: var(--sp-8) var(--sp-10);
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}
.calculator__results {
  padding: var(--sp-8) var(--sp-10);
  background: rgba(0,0,0,0.22);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.calc-field { display: flex; flex-direction: column; gap: var(--sp-2); }
.calc-field label {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
}
.calc-value-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.calc-value {
  font-family: var(--f-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-green-300);
}
input[type=range] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.15);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--c-green-300);
  cursor: pointer;
  transition: background var(--ease), transform var(--ease);
}
input[type=range]::-webkit-slider-thumb:hover {
  background: var(--c-green-400);
  transform: scale(1.15);
}
input[type=range]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--c-green-300);
  border: none;
  cursor: pointer;
}

.calc-select {
  width: 100%;
  padding: 0.6rem 0.9rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--r-md);
  color: var(--c-white);
  font-size: 0.9375rem;
  outline: none;
  cursor: pointer;
  transition: border-color var(--ease);
}
.calc-select:focus { border-color: var(--c-green-300); }
.calc-select option { background: var(--c-green-800); }

.calc-note {
  background: rgba(255,255,255,0.05);
  border-radius: var(--r-md);
  padding: var(--sp-4);
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.65;
  margin-top: auto;
}

.result-card {
  background: rgba(255,255,255,0.06);
  border-radius: var(--r-md);
  padding: var(--sp-4) var(--sp-5);
  transition: background var(--ease);
}
.result-card:hover { background: rgba(255,255,255,0.1); }
.result-card__label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: var(--sp-2);
}
.result-card__value {
  font-family: var(--f-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--c-green-300);
  line-height: 1;
  margin-bottom: var(--sp-1);
}
.result-card__sub {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
}
.result-card--offset {
  background: rgba(116,198,157,0.12);
  border: 1px solid rgba(116,198,157,0.25);
}
.result-card--offset .result-card__value { font-size: 1.1rem; color: var(--c-green-300); }

/* Tree Section */
.tree-section {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--sp-16);
  align-items: center;
}
.tree-section__content h2 { margin-bottom: var(--sp-5); }
.tree-section__content p {
  color: var(--c-text-mid);
  margin-bottom: var(--sp-4);
}
.tree-progress { margin-top: var(--sp-8); }
.tree-progress__bar {
  height: 8px;
  background: var(--c-border);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: var(--sp-3);
}
.tree-progress__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--c-green-500), var(--c-green-300));
  border-radius: 4px;
  transition: width 1.2s ease;
}
.tree-progress__labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--c-text-muted);
}
.tree-section__cta { margin-top: var(--sp-8); }
.tree-section__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.tree-section__visual svg { width: 180px; height: 240px; }

/* ============================================================
   SCROLL REVEAL (applied by JS)
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: var(--sp-8); padding: var(--sp-16) var(--sp-6); }
  .hero__visual { display: none; }
  .mission { grid-template-columns: 1fr; gap: var(--sp-10); }
  .sustain-teaser { grid-template-columns: 1fr; }
  .sustain-teaser__stats { flex-direction: row; justify-content: center; }
  .commitments { grid-template-columns: 1fr; }
  .calculator__body { grid-template-columns: 1fr; }
  .tree-section { grid-template-columns: 1fr; }
  .tree-section__visual { display: none; }
}

@media (max-width: 640px) {
  .section { padding: var(--sp-16) 0; }
  .hero { min-height: 100svh; }
  .hero__inner { padding: var(--sp-12) var(--sp-5); }
  .hero__content { text-align: center; }
  .hero__scroll { display: none; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { text-align: center; justify-content: center; }
  .nav__links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(250, 248, 243, 0.97);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--c-border);
    padding: var(--sp-4) var(--sp-6);
    gap: var(--sp-1);
    box-shadow: var(--sh-md);
  }
  .nav__links.open { display: flex; }
  .nav__links li:last-child a { margin-left: 0; margin-top: var(--sp-2); display: block; text-align: center; }
  .nav__toggle { display: flex; }
  .newsletter-form__fields { flex-direction: column; }
  .footer__inner { flex-direction: column; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .sustain-teaser__stats { flex-direction: column; }
  .calculator__inputs,
  .calculator__results { padding: var(--sp-6); }
}

/* ============================================================
   PRINT / REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}