/* ============================================================================
   SUPERIOR — Natural Mineral Water · landing page
   Production stylesheet. Faithful to the Claude Design system
   ("Claude Design/Superior Mineral Water Design System/").

   Two-color brand: ink (#0A0A0A) + paper (#FFFFFF). Single green accent.
   Display: Helvetica Inserat. Sub-display: Druk Wide. Body: Inter.

   ⚠ FONT LICENSING: the Druk Wide weights shipped here are TRIAL files and
   must be licensed (Commercial Type) before public launch. Helvetica Inserat
   and Inter are fine. See README.md.
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

@font-face {
  font-family: 'Helvetica Inserat';
  src: url('fonts/Helvetica_Inserat_Roman.otf') format('opentype');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face { /* ⚠ trial */
  font-family: 'Druk Wide';
  src: url('fonts/DrukWideMediumTrial.otf') format('opentype');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face { /* ⚠ trial */
  font-family: 'Druk Wide';
  src: url('fonts/DrukWideBoldTrial.otf') format('opentype');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face { /* ⚠ trial */
  font-family: 'Druk Wide';
  src: url('fonts/DrukWideHeavyTrial.otf') format('opentype');
  font-weight: 800; font-style: normal; font-display: swap;
}
@font-face { /* ⚠ trial */
  font-family: 'Druk Wide';
  src: url('fonts/DrukWideSuperTrial.otf') format('opentype');
  font-weight: 900; font-style: normal; font-display: swap;
}

:root {
  --ink: #0A0A0A;
  --paper: #FFFFFF;
  --paper-soft: #F4F4F2;
  --graphite-1: #1A1A1A;
  --graphite-2: #2A2A2A;
  --accent-spring: #00B14F;
  --rule-on-dark: rgba(255, 255, 255, 0.18);
  --rule-on-light: rgba(0, 0, 0, 0.12);

  --font-display: 'Helvetica Inserat', 'Anton', Impact, sans-serif;
  --font-display-2: 'Druk Wide', 'Archivo Black', 'Arial Black', sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;
  --ease: cubic-bezier(0.2, 0, 0, 1);

  --container-max: 1440px;
  --content-max: 1080px;
}

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

html { scroll-behavior: smooth; }

html, body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--accent-spring);
  outline-offset: 3px;
}

.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;
}

/* Skip link: off-screen until focused, then slides in (keyboard a11y). */
.skip-link {
  position: fixed; left: 12px; top: -64px; z-index: 100;
  padding: 12px 18px;
  background: var(--paper); color: var(--ink);
  font: 600 12px/1 var(--font-body);
  letter-spacing: 0.16em; text-transform: uppercase;
  transition: top 160ms var(--ease);
}
.skip-link:focus { top: 12px; }

/* === Shared type utilities ====================================== */
.eyebrow {
  font: 600 11px/1 var(--font-body);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}
.eyebrow.on-light { color: rgba(0, 0, 0, 0.55); }

.ins-box {
  display: inline-block;
  padding: 0 0.18em 0.05em;
  background: currentColor;
  line-height: 1;
}
.ins-box > span { color: var(--ink); }
.on-light .ins-box > span { color: var(--paper); }

.origin-strip {
  font: 600 11px/1 var(--font-body);
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

/* === Buttons ==================================================== */
.btn {
  display: inline-block;
  padding: 16px 28px;
  font: 600 12px/1 var(--font-body);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1.5px solid currentColor;
  background: transparent;
  color: inherit;
  border-radius: 0;
  transition: background var(--ease) 180ms, color var(--ease) 180ms, transform var(--ease) 120ms;
}
.btn:active { transform: scale(0.98); }
.btn-primary-dark { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn-primary-dark:hover { background: transparent; color: var(--paper); }
.btn-primary-light { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-primary-light:hover { background: transparent; color: var(--ink); }

/* === Header ===================================================== */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 240ms var(--ease), border-color 240ms var(--ease), backdrop-filter 240ms var(--ease);
}
.site-header.scrolled {
  background: rgba(10, 10, 10, 0.92);
  border-bottom: 1px solid var(--rule-on-dark);
  backdrop-filter: blur(20px) saturate(1.1);
  -webkit-backdrop-filter: blur(20px) saturate(1.1);
}
.site-header__inner {
  position: relative;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 64px);
  max-width: var(--container-max); margin: 0 auto;
}
.site-header__logo {
  display: inline-flex; align-items: center;
}
.site-header__logo img {
  display: block; width: auto; height: 44px;
}
.site-nav {
  display: flex; gap: 36px;
  font: 600 11px/1 var(--font-body);
  letter-spacing: 0.18em; text-transform: uppercase;
}
.site-nav a { color: rgba(255, 255, 255, 0.85); }
.site-nav a:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
.site-header .btn { padding: 10px 18px; font-size: 11px; white-space: nowrap; }

/* Hamburger toggle — hidden on desktop, revealed at ≤640px (see media query). */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  background: transparent; color: #fff;
  border: 1px solid var(--rule-on-dark);
}
.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
  content: ""; display: block;
  width: 20px; height: 2px; background: #fff;
  transition: transform 200ms var(--ease), background 200ms var(--ease), top 200ms var(--ease);
}
.nav-toggle__bar { position: relative; }
.nav-toggle__bar::before { position: absolute; left: 0; top: -6px; }
.nav-toggle__bar::after  { position: absolute; left: 0; top: 6px; }
.site-header.nav-open .nav-toggle__bar { background: transparent; }
.site-header.nav-open .nav-toggle__bar::before { top: 0; transform: rotate(45deg); }
.site-header.nav-open .nav-toggle__bar::after  { top: 0; transform: rotate(-45deg); }

/* Skip-link target: don't paint a focus ring on the whole <main>. */
#top:focus { outline: none; }

/* === Hero ======================================================= */
.hero {
  position: relative; min-height: 100vh;
  background: var(--ink); color: #fff; overflow: hidden;
  display: grid;
  grid-template-columns: 60px 1fr 1fr 60px;
}
.hero__rail {
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.hero__rail--left { border-right: 1px solid var(--rule-on-dark); }
.hero__rail--right { border-left: 1px solid var(--rule-on-dark); padding: 40px 0; }
.wordmark-vertical-img {
  display: block; width: 46px; height: auto;
}
.origin-strip--vertical { writing-mode: vertical-rl; transform: rotate(180deg); white-space: nowrap; }

.hero__content {
  padding: clamp(120px, 14vh, 180px) clamp(24px, 4vw, 64px) 64px;
  display: flex; flex-direction: column; justify-content: center; gap: 28px;
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(64px, 10vw, 168px);
  line-height: 0.85; letter-spacing: -0.02em;
  text-transform: uppercase; font-weight: 400;
}
.hero__lead {
  font-size: 18px; line-height: 1.5;
  color: rgba(255, 255, 255, 0.85); max-width: 460px; margin-top: 12px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 12px; }
.hero__media {
  position: relative;
  background-color: transparent;
  background-image: url('assets/photos/bottle-transparent.png');
  background-size: contain; background-position: center;
  background-repeat: no-repeat;
}
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,10,10,0) 60%, rgba(10,10,10,0.4) 100%);
}

/* === Pillars ==================================================== */
.pillars {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--rule-on-dark);
  border-bottom: 1px solid var(--rule-on-dark);
  background: var(--ink);
}
.pillar { padding: 64px 40px; }
.pillar + .pillar { border-left: 1px solid var(--rule-on-dark); }
.pillar__label {
  font: 700 13px/1 var(--font-body);
  letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 24px;
}
.pillar__label span {
  font-weight: 400; letter-spacing: 0.04em; text-transform: lowercase;
}
.pillar__headline {
  font-family: var(--font-display); font-size: 40px; line-height: 0.95;
  letter-spacing: -0.01em; text-transform: uppercase; font-weight: 400;
}
.pillar__body {
  font-size: 14px; line-height: 1.55;
  color: rgba(255, 255, 255, 0.7); margin-top: 24px;
}

/* === Story ====================================================== */
.story {
  background: var(--paper-soft); color: var(--ink);
  padding: clamp(96px, 12vw, 192px) clamp(20px, 4vw, 64px);
}
.story__inner {
  max-width: var(--content-max); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 96px); align-items: start;
}
.story__title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 96px); line-height: 0.9;
  letter-spacing: -0.01em; text-transform: uppercase; font-weight: 400;
}
.story__body { display: flex; flex-direction: column; gap: 22px; font-size: 17px; line-height: 1.65; padding-top: 12px; }
.story__kicker { font-family: var(--font-display-2); font-size: 22px; line-height: 1.2; margin-top: 8px; text-transform: uppercase; }

/* === Sourced in the USA ========================================= */
.origin {
  background: var(--ink); color: #fff;
  padding: clamp(96px, 12vw, 160px) clamp(20px, 4vw, 64px);
  border-top: 1px solid var(--rule-on-dark);
}
.origin__inner {
  max-width: var(--content-max); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 96px); align-items: center;
}
.origin__copy { display: flex; flex-direction: column; align-items: flex-start; }
.origin__title { margin: 0; line-height: 0; }
.origin__title img { display: block; width: 100%; max-width: 420px; height: auto; }
.origin__lead { font-size: 16px; line-height: 1.6; color: rgba(255,255,255,0.75); margin-top: 28px; max-width: 440px; }
.origin__map { margin: 0; }
.origin__map img { display: block; width: 100%; height: auto; }

/* === What's Inside ============================================== */
.inside {
  background: var(--ink); color: #fff;
  padding: clamp(96px, 12vw, 160px) clamp(20px, 4vw, 64px);
}
.inside__inner {
  max-width: var(--content-max); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 96px); align-items: center;
}
.inside__head { display: flex; flex-direction: column; align-items: flex-start; }
.inside__title {
  font-family: var(--font-display-2); font-size: clamp(36px, 5vw, 64px);
  line-height: 1; text-transform: uppercase;
}
.inside__divider { width: 56px; height: 3px; background: #fff; margin-top: 24px; }
.inside__lead { font-size: 16px; line-height: 1.6; color: rgba(255,255,255,0.75); margin-top: 28px; max-width: 420px; }
.inside__panel { margin: 0; }
.inside__panel img { display: block; width: 100%; max-width: 560px; height: auto; }

/* Superior Facts panel — native HTML/text rebuild (formerly an embedded SVG) */
.facts {
  width: 100%; max-width: 560px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  background: var(--ink); color: #fff;
  padding: clamp(16px, 2.4vw, 26px) 0;
}
.facts__heading {
  font-family: var(--font-display-2);
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 0.95; text-transform: uppercase; letter-spacing: 0.01em;
  padding: 0 clamp(16px, 2.4vw, 26px);
  margin-bottom: clamp(14px, 2vw, 22px);
}
.facts__table { width: 100%; border-collapse: collapse; }
.facts__table th, .facts__table td {
  font-weight: 400; font-size: clamp(12px, 1.4vw, 15px); line-height: 1.25;
  vertical-align: baseline;
  padding: clamp(7px, 1vw, 10px) clamp(16px, 2.4vw, 26px);
}
.facts__table th { text-align: left; padding-right: 8px; }
.facts__table td { text-align: right; font-weight: 700; white-space: nowrap; padding-left: 8px; }
.facts__table b { font-weight: 700; }
/* alternating inverted bands — odd rows are white with dark text */
.facts__table tr:nth-child(odd) { background: #fff; color: var(--ink); }
.facts__note {
  background: #fff; color: var(--ink);
  font-size: clamp(9px, 1vw, 11px); line-height: 1.4; text-align: justify;
  padding: clamp(10px, 1.4vw, 14px) clamp(16px, 2.4vw, 26px);
  margin-top: clamp(10px, 1.4vw, 14px);
}
.facts__link { text-decoration: underline; font-weight: 700; }

/* === Be Superior ================================================ */
.be-superior {
  background: var(--ink); color: #fff;
  padding: clamp(96px, 14vw, 192px) clamp(20px, 4vw, 64px);
  border-top: 1px solid var(--rule-on-dark);
}
.be-superior__inner {
  max-width: var(--content-max); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 6vw, 96px); align-items: center;
}
.be-superior__title { margin: 0; line-height: 0; }
.be-superior__title img {
  display: block; width: 100%; max-width: 520px; height: auto;
}
.be-superior__lead { font-size: 20px; line-height: 1.5; color: rgba(255,255,255,0.85); margin-top: 28px; max-width: 480px; }
.be-superior__sub { font-size: 14px; line-height: 1.6; color: rgba(255,255,255,0.6); margin-top: 18px; max-width: 480px; }
.be-superior__marks { display: flex; flex-direction: column; align-items: flex-start; gap: 32px; }
.seal-row { display: flex; gap: 28px; align-items: center; flex-wrap: wrap; }
.seal-row img { width: 88px; filter: invert(1); }
.seal-row img.flag { width: 80px; }
/* Two-tone brand seals ship in final colors — don't invert them. */
.seal-row img.seal--full { width: 104px; filter: none; }
.be-superior__recycle { width: 240px; height: auto; }
.be-superior__box { max-width: var(--content-max); margin: clamp(56px, 7vw, 96px) auto 0; }
.be-superior__box img {
  display: block; width: 100%; height: auto;
  border: 1px solid var(--rule-on-dark);
}
.be-superior__box figcaption {
  margin-top: 16px; font-size: 12px; letter-spacing: 0.16em;
  text-transform: uppercase; color: rgba(255, 255, 255, 0.55);
}

/* === Email capture ============================================== */
.notify {
  background: var(--paper); color: var(--ink);
  padding: clamp(96px, 12vw, 160px) clamp(20px, 4vw, 64px);
}
.notify__inner { max-width: 720px; margin: 0 auto; }
.notify__title {
  font-family: var(--font-display); font-size: clamp(48px, 7vw, 112px);
  line-height: 0.9; letter-spacing: -0.02em; text-transform: uppercase; font-weight: 400;
}
.notify__lead { font-size: 17px; line-height: 1.6; color: rgba(0,0,0,0.7); margin-top: 24px; max-width: 540px; }
.notify__form { margin-top: 36px; display: flex; flex-direction: column; gap: 14px; max-width: 540px; }
.notify__field { display: flex; gap: 0; }
.notify__input {
  flex: 1; padding: 16px 18px;
  border: 1.5px solid var(--ink); border-right: none;
  font: 400 16px/1.2 var(--font-body); background: #fff; color: var(--ink);
  outline: none; border-radius: 0;
}
.notify__input:focus-visible { outline: 2px solid var(--accent-spring); outline-offset: -2px; }
.notify__check { display: flex; align-items: center; gap: 10px; font-size: 13px; color: rgba(0,0,0,0.7); }
.notify__check input { width: 16px; height: 16px; accent-color: var(--ink); }
.notify__success {
  margin-top: 36px; padding: 28px;
  background: var(--ink); color: #fff;
  border-left: 4px solid var(--accent-spring);
  display: flex; flex-direction: column; gap: 8px;
}
.notify__success h3 { font-family: var(--font-display-2); font-size: 22px; text-transform: uppercase; font-weight: 700; }
.notify__success p { font-size: 14px; color: rgba(255,255,255,0.7); }
.notify__error { margin-top: 16px; font-size: 14px; color: #B00020; }
[hidden] { display: none !important; }

/* === Footer ===================================================== */
.site-footer {
  background: var(--ink); color: #fff;
  padding: 64px clamp(20px, 4vw, 64px) 32px;
  border-top: 1px solid var(--rule-on-dark);
}
.site-footer__inner { max-width: var(--content-max); margin: 0 auto; }
.site-footer__grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
  padding-bottom: 48px; border-bottom: 1px solid var(--rule-on-dark);
}
.site-footer__brand-name { display: inline-block; }
.site-footer__brand-name img { display: block; width: auto; height: 52px; max-width: 100%; }
.site-footer__brand-sub { font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(255,255,255,0.55); margin-top: 12px; }
.site-footer__brand-desc { font-size: 13px; line-height: 1.6; color: rgba(255,255,255,0.6); margin-top: 18px; max-width: 380px; }
.site-footer__col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
.site-footer__col a { color: rgba(255,255,255,0.85); }
.site-footer__col a:hover { text-decoration: underline; text-underline-offset: 4px; }
.site-footer__muted { color: rgba(255,255,255,0.55); font-size: 13px; }
.site-footer__seals { display: flex; gap: 14px; align-items: center; }
.site-footer__seals img { width: 56px; filter: invert(1); }
.site-footer__seals img.seal--full { width: 64px; filter: none; }
.site-footer__certnote { font-size: 11px; color: rgba(255,255,255,0.55); margin-top: 12px; line-height: 1.5; }
.site-footer__bottom {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding-top: 28px; font-size: 11px; color: rgba(255,255,255,0.6); flex-wrap: wrap;
}
.site-footer__copy { letter-spacing: 0.18em; text-transform: uppercase; }
.site-footer__legal-list { list-style: none; margin-top: 16px; font-size: 14px; }
.site-footer__legal-list a { color: rgba(255,255,255,0.85); }
.site-footer__legal-list a:hover { text-decoration: underline; text-underline-offset: 4px; }

/* === Legal / Privacy page ======================================= */
.legal {
  background: var(--ink); color: #fff;
  padding: clamp(140px, 16vw, 200px) clamp(20px, 4vw, 64px) clamp(80px, 10vw, 120px);
}
.legal__inner { max-width: 760px; margin: 0 auto; }
.legal__title {
  font-family: var(--font-display-2); font-size: clamp(40px, 7vw, 72px);
  line-height: 1; text-transform: uppercase;
}
.legal__meta { font-size: 13px; color: rgba(255,255,255,0.55); margin-top: 16px; letter-spacing: 0.04em; }
.legal__lead { font-size: 17px; line-height: 1.7; color: rgba(255,255,255,0.85); margin-top: 28px; }
.legal h2 {
  font-family: var(--font-display-2); font-size: clamp(18px, 2.4vw, 22px);
  text-transform: uppercase; letter-spacing: 0.01em; margin-top: 44px; margin-bottom: 12px;
}
.legal p { font-size: 15px; line-height: 1.7; color: rgba(255,255,255,0.8); margin-top: 12px; }
.legal ul { margin-top: 12px; padding-left: 20px; display: flex; flex-direction: column; gap: 10px; }
.legal li { font-size: 15px; line-height: 1.7; color: rgba(255,255,255,0.8); }
.legal strong { color: #fff; font-weight: 700; }
.legal a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.legal a:hover { color: var(--accent-spring); }
.legal__address { font-style: normal; font-size: 15px; line-height: 1.7; color: rgba(255,255,255,0.8); margin-top: 16px; }
.legal__back { margin-top: 48px; }
.legal__back a { font-weight: 700; }

/* === Scroll reveal (sparing, per brand) ========================= */
.reveal { opacity: 0; transform: translateY(8px); transition: opacity 400ms var(--ease), transform 400ms var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* === Responsive ================================================= */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; grid-template-rows: auto auto; min-height: auto; }
  .hero__rail { display: none; }
  .hero__content { padding-top: 120px; }
  .hero__media { min-height: 60vh; }
  .story__inner, .inside__inner, .be-superior__inner, .origin__inner { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: 1fr; }
  .pillar + .pillar { border-left: 0; border-top: 1px solid var(--rule-on-dark); }
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  /* Reveal the hamburger; keep "Get Notified" + toggle grouped on the right. */
  .nav-toggle { display: inline-flex; }
  .site-header .btn-primary-dark { margin-left: auto; }
  .site-header__logo img { height: 32px; }

  /* Primary nav becomes a full-width dropdown panel under the header. */
  .site-nav {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0;
    padding: 8px clamp(20px, 4vw, 64px) 16px;
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(20px) saturate(1.1);
    -webkit-backdrop-filter: blur(20px) saturate(1.1);
    border-top: 1px solid var(--rule-on-dark);
    border-bottom: 1px solid var(--rule-on-dark);
  }
  .site-header.nav-open .site-nav { display: flex; }
  .site-nav a {
    padding: 16px 2px; font-size: 13px;
    border-top: 1px solid var(--rule-on-dark);
  }
  .site-nav a:first-child { border-top: 0; }

  .site-footer__grid { grid-template-columns: 1fr; }
  .notify__field { flex-direction: column; }
  .notify__input { border-right: 1.5px solid var(--ink); }
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .hero__actions .btn { width: 100%; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}