/* ==========================================================================
   KALPIXX — Ayurveda, Decoded.  Pre-launch site.
   1 Tokens · 2 Base · 3 Grid · 4 Nav · 5 Hero · 6 Why · 7 Approach
   8 Founders · 9 Contact · 10 Footer · 11 Motion
   ========================================================================== */

/* ============ 1 · TOKENS ============ */
:root {
  --forest:         #1F3D2E;
  --forest-deep:    #163023;
  --forest-darkest: #0E1F17;
  --forest-soft:    #2A523E;

  --gold:           #C9A227;
  --gold-light:     #E5C358;
  --gold-soft:      #F1DA89;
  --gold-dark:      #A38018;
  --gold-line:      rgba(201, 162, 39, 0.32);

  --cream:          #FBF8F1;
  --cream-deep:     #F4EFE3;
  --white:          #FFFFFF;

  --ink:            #17231C;
  --ink-muted:      #55655B;
  --ink-faint:      #8A968E;
  --on-dark:        rgba(251, 248, 241, 0.86);
  --on-dark-dim:    rgba(251, 248, 241, 0.58);

  --line:           rgba(23, 35, 28, 0.14);
  --line-light:     rgba(251, 248, 241, 0.16);

  --display: "Playfair Display", Cambria, Georgia, serif;
  --accent:  "Cormorant Garamond", Cambria, Georgia, serif;
  --sans:    "Plus Jakarta Sans", Calibri, system-ui, -apple-system, sans-serif;

  --section-y: clamp(5rem, 12vw, 10rem);
  --gutter:    clamp(1.5rem, 5vw, 4rem);
  --max:       78rem;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ============ 2 · BASE ============ */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-size: clamp(0.97rem, 0.95rem + 0.2vw, 1.05rem);
  font-weight: 300;
  line-height: 1.72;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 { margin: 0; font-weight: 400; }
p  { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; color: inherit; }

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

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--gold); color: var(--forest-darkest);
  padding: 0.75rem 1.25rem; font-size: 0.8rem; letter-spacing: 0.1em;
  text-transform: uppercase;
}
.skip-link:focus { left: 0; }

/* Shared type ---------------------------------------------------------- */
.h2 {
  font-family: var(--display);
  font-size: clamp(1.9rem, 1.2rem + 2.8vw, 3.1rem);
  line-height: 1.14;
  letter-spacing: -0.018em;
  max-width: 21ch;
  margin-bottom: clamp(1.75rem, 4vw, 2.5rem);
}
.h2 em {
  font-family: var(--accent);
  font-style: italic;
  font-weight: 400;
  color: var(--forest-soft);
}
.h2--light { color: var(--cream); }
.h2--light em { color: var(--gold-soft); }

.lede {
  max-width: 46ch;
  font-size: clamp(1.02rem, 0.98rem + 0.3vw, 1.14rem);
  color: var(--ink-muted);
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}
.lede--light { color: var(--on-dark); }

.prose { max-width: 58ch; color: var(--ink-muted); }
.prose p + p { margin-top: 1.4em; }
.prose em { font-family: var(--accent); font-style: italic; font-size: 1.08em; color: var(--forest); }

/* ============ 3 · GRID (the editorial rail) ============ */
.section { padding-block: var(--section-y); }
.section--cream  { background: var(--cream); }
.section--white  { background: var(--white); }
.section--forest { background: var(--forest); color: var(--cream); }

.grid {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
}
@media (min-width: 60rem) {
  .grid { grid-template-columns: 13rem 1fr; gap: clamp(3rem, 8vw, 7rem); }
}

.rail { align-self: start; }
@media (min-width: 60rem) {
  .rail { position: sticky; top: 7.5rem; }
}
.rail__index {
  font-family: var(--display);
  font-size: 0.95rem;
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}
.rail__label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-top: 0.55rem;
  border-top: 1px solid var(--line);
}
.rail--light .rail__label { color: var(--on-dark-dim); border-color: var(--line-light); }

/* ============ 4 · NAV ============ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background-color 0.45s var(--ease), box-shadow 0.45s var(--ease),
              backdrop-filter 0.45s var(--ease);
}
.nav__inner {
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  min-height: 4.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav__brand { position: relative; display: block; width: clamp(6.5rem, 18vw, 8.75rem); line-height: 0; }
.nav__logo  { width: 100%; transition: opacity 0.45s var(--ease); }
.nav__logo--onLight { position: absolute; inset: 0; opacity: 0; }

.nav.is-scrolled {
  background: rgba(251, 248, 241, 0.94);
  backdrop-filter: saturate(150%) blur(12px);
  box-shadow: 0 1px 0 var(--line);
}
.nav.is-scrolled .nav__logo--onDark  { opacity: 0; }
.nav.is-scrolled .nav__logo--onLight { opacity: 1; }
.nav.is-scrolled .nav__link { color: var(--ink); }
.nav.is-scrolled .nav__toggle-bar { background: var(--ink); }

.nav__list { display: flex; gap: clamp(1.25rem, 2.8vw, 2.5rem); }
.nav__link {
  position: relative;
  display: inline-block;
  padding-block: 0.4rem;
  font-size: 0.73rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--on-dark);
  transition: color 0.3s var(--ease);
}
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: 0.15rem;
  width: 100%; height: 1px; background: var(--gold);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.nav__link:hover::after, .nav__link[aria-current="true"]::after { transform: scaleX(1); }
.nav__link[aria-current="true"] { color: var(--gold-light); }
.nav.is-scrolled .nav__link[aria-current="true"] { color: var(--gold-dark); }

.nav__toggle {
  display: none; flex-direction: column; justify-content: center; gap: 6px;
  width: 2.75rem; height: 2.75rem; margin-right: -0.6rem;
  padding: 0; background: none; border: 0; cursor: pointer;
}
.nav__toggle-bar {
  display: block; width: 22px; height: 1px; margin-inline: auto;
  background: var(--cream);
  transition: transform 0.4s var(--ease), opacity 0.25s var(--ease), background-color 0.45s var(--ease);
}
.nav.is-open .nav__toggle-bar:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.nav.is-open .nav__toggle-bar:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

@media (max-width: 59.9375rem) {
  .nav__toggle { display: flex; }
  .nav__menu {
    position: fixed; inset: 4.75rem 0 auto 0;
    background: var(--forest-darkest);
    border-top: 1px solid var(--line-light);
    max-height: 0; overflow: hidden;
    transition: max-height 0.5s var(--ease);
  }
  .nav.is-open .nav__menu { max-height: 22rem; }
  .nav__list { flex-direction: column; gap: 0; padding: 0.25rem var(--gutter) 1.5rem; }
  .nav__list li + li { border-top: 1px solid var(--line-light); }
  .nav__link { display: block; padding-block: 1.1rem; font-size: 0.8rem; color: var(--cream); }
  .nav__link::after { display: none; }
  .nav.is-scrolled .nav__link { color: var(--cream); }
}

/* ============ 5 · HERO ============ */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding-block: 8.5rem 7rem;
  background:
    radial-gradient(80% 60% at 15% 10%, var(--forest-soft) 0%, transparent 60%),
    linear-gradient(160deg, var(--forest) 0%, var(--forest-deep) 55%, var(--forest-darkest) 100%);
  color: var(--cream);
}

/* Tree: large, quiet, bled off the right edge — atmosphere, not a second logo */
.hero__tree {
  position: absolute;
  z-index: -1;
  right: -14vw;
  bottom: -6vh;
  width: min(62vw, 40rem);
  opacity: 0.13;
  filter: saturate(0.4);
  pointer-events: none;
}
.hero__wash {
  position: absolute; z-index: -1; inset: 0;
  background: radial-gradient(48rem 34rem at 78% 62%, rgba(201, 162, 39, 0.13), transparent 68%);
}

.hero__inner {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.hero__flag { display: flex; align-items: center; gap: 1rem; margin-bottom: clamp(1.75rem, 4vw, 2.75rem); }
.hero__flag-text {
  font-size: 0.7rem; font-weight: 500; letter-spacing: 0.3em;
  text-transform: uppercase; color: var(--gold);
}
.hero__flag-rule { flex: 0 1 7rem; height: 1px; background: linear-gradient(90deg, var(--gold-line), transparent); }

.hero__title {
  font-family: var(--display);
  font-size: clamp(2.4rem, 1.1rem + 6.1vw, 5.25rem);
  line-height: 1.03;
  letter-spacing: -0.028em;
  max-width: 15ch;
}
.hero__title span { display: block; }
.hero__title span:last-child { color: var(--on-dark); }

.hero__decoded {
  display: flex; align-items: center; gap: 1.15rem;
  margin-top: clamp(1.5rem, 3.5vw, 2.25rem);
  font-family: var(--accent);
  font-style: italic;
  font-size: clamp(1.3rem, 1rem + 1.1vw, 1.85rem);
  color: var(--gold-soft);
}
.hero__decoded-rule { width: clamp(2rem, 6vw, 3.5rem); height: 1px; background: var(--gold); flex: none; }

.hero__lede {
  max-width: 44ch;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--on-dark);
}

/* Email capture: a hairline row, not a boxed widget */
.signup { margin-top: clamp(2.25rem, 5vw, 3rem); max-width: 32rem; }
.signup__row {
  display: flex; align-items: center; gap: 0.75rem;
  border-bottom: 1px solid var(--gold-line);
  padding-bottom: 0.65rem;
  transition: border-color 0.35s var(--ease);
}
.signup__row:focus-within { border-color: var(--gold); }
.signup__input {
  flex: 1 1 auto; min-width: 0;
  background: none; border: 0; padding: 0.35rem 0;
  color: var(--cream); font-size: 1rem; font-weight: 300; letter-spacing: 0.01em;
}
.signup__input::placeholder { color: var(--on-dark-dim); }
.signup__input:focus { outline: none; }

.signup__btn {
  flex: none;
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.7rem 1.4rem;
  border: 1px solid var(--gold); border-radius: 999px;
  background: var(--gold); color: var(--forest-darkest);
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
  cursor: pointer;
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.25s var(--ease);
}
.signup__btn svg { width: 0.95rem; height: 0.95rem; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; transition: transform 0.3s var(--ease); }
.signup__btn:hover { background: var(--gold-light); border-color: var(--gold-light); }
.signup__btn:hover svg { transform: translateX(3px); }
.signup__btn:active { transform: translateY(1px); }
.signup.is-done .signup__row { border-color: var(--line-light); opacity: 0.45; }

.signup__note {
  margin-top: 0.95rem;
  font-size: 0.82rem;
  color: var(--on-dark-dim);
  transition: color 0.3s var(--ease);
}
.signup__note.is-error { color: #E9B8B8; }
.signup__note.is-success { color: var(--gold-soft); }

@media (max-width: 34rem) {
  .signup__row { flex-wrap: wrap; gap: 1rem; border-bottom: 0; padding-bottom: 0; }
  .signup__input { flex: 1 0 100%; border-bottom: 1px solid var(--gold-line); padding-bottom: 0.7rem; }
  .signup__btn { width: 100%; justify-content: center; }
}

.hero__scroll {
  position: absolute; left: var(--gutter); bottom: 2.25rem;
  display: flex; align-items: center; gap: 0.85rem;
  font-size: 0.66rem; letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--on-dark-dim);
  transition: color 0.3s var(--ease);
}
.hero__scroll:hover { color: var(--gold-soft); }
.hero__scroll-line { display: block; width: 3.5rem; height: 1px; background: var(--gold-line); position: relative; overflow: hidden; }
.hero__scroll-line::after {
  content: ""; position: absolute; inset: 0; background: var(--gold);
  transform: translateX(-100%); animation: sweep 2.8s var(--ease) infinite;
}

/* ============ 6 · WHY KALPIXX ============ */
.diptych {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: clamp(2.75rem, 6vw, 4rem);
}
@media (min-width: 44rem) {
  .diptych { grid-template-columns: 1fr auto 1fr; align-items: start; }
}
.diptych__rule { display: none; }
@media (min-width: 44rem) {
  .diptych__rule { display: block; width: 1px; align-self: stretch; background: var(--line); }
}
.diptych__kicker {
  font-size: 0.68rem; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 0.9rem;
}
.diptych__claim {
  font-family: var(--display); font-size: clamp(1.15rem, 1rem + 0.7vw, 1.4rem);
  line-height: 1.3; margin-bottom: 0.6rem;
}
.diptych__gap { font-size: 0.94rem; color: var(--ink-faint); max-width: 30ch; }

.pillars {
  display: grid; gap: clamp(1.75rem, 4vw, 2.5rem);
  margin-top: clamp(3rem, 6vw, 4.5rem);
  padding-top: clamp(2.25rem, 5vw, 3rem);
  border-top: 1px solid var(--line);
}
@media (min-width: 44rem) { .pillars { grid-template-columns: repeat(3, 1fr); } }
.pillar__num {
  display: block; font-family: var(--display); font-size: 0.8rem;
  letter-spacing: 0.16em; color: var(--gold); margin-bottom: 0.7rem;
}
.pillar__title { font-family: var(--display); font-size: 1.22rem; margin-bottom: 0.4rem; }
.pillar__text { font-size: 0.93rem; color: var(--ink-muted); max-width: 30ch; }

/* ============ 7 · OUR APPROACH ============ */
.approach { display: grid; gap: clamp(2.5rem, 6vw, 4rem); align-items: center; }
@media (min-width: 52rem) {
  .approach { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); }
}
.approach__tree { width: min(72vw, 25rem); margin-inline: auto; opacity: 0.95; }

.ladder { position: relative; padding-left: 2.25rem; }
.ladder::before {
  content: ""; position: absolute; left: 0.32rem; top: 0.7rem; bottom: 0.7rem;
  width: 1px; background: linear-gradient(180deg, var(--gold-line), var(--line), var(--gold-line));
}
.ladder__step { position: relative; }
.ladder__step + .ladder__step { margin-top: clamp(1.75rem, 4vw, 2.4rem); }
.ladder__step::before {
  content: ""; position: absolute; left: -2.25rem; top: 0.62rem;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--cream); border: 1px solid var(--gold);
}
.ladder__term {
  font-family: var(--display); font-size: clamp(1.15rem, 1rem + 0.6vw, 1.35rem);
  margin-bottom: 0.35rem;
}
.ladder__text { font-size: 0.96rem; color: var(--ink-muted); max-width: 42ch; }

/* ============ 8 · FOUNDERS ============ */
.founders { display: grid; gap: clamp(2.75rem, 6vw, 4rem); }
@media (min-width: 52rem) { .founders { grid-template-columns: 1fr 1fr; } }

.founder { padding-top: 1.75rem; border-top: 1px solid var(--line); }
.founder__head { display: flex; align-items: center; gap: 1.1rem; margin-bottom: 1.35rem; }
.founder__initials {
  flex: none;
  width: 3.4rem; height: 3.4rem;
  display: grid; place-items: center;
  border: 1px solid var(--gold-line); border-radius: 50%;
  font-family: var(--display); font-size: 0.95rem; letter-spacing: 0.08em;
  color: var(--forest);
}
.founder__name { font-family: var(--display); font-size: clamp(1.25rem, 1.1rem + 0.6vw, 1.45rem); }
.founder__role {
  font-size: 0.66rem; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gold); margin-top: 0.25rem;
}
.founder__bio { font-size: 0.96rem; color: var(--ink-muted); }
.founder__quote {
  margin: 1.35rem 0 0;
  padding-left: 1.1rem;
  border-left: 1px solid var(--gold-line);
  font-family: var(--accent); font-style: italic; font-size: 1.15rem; line-height: 1.5;
  color: var(--forest);
}

/* ============ 9 · CONTACT ============ */
/* Sits tight to its content — no cavernous padding above or below */
#contact { padding-block: clamp(2.25rem, 4.5vw, 3.25rem); }
#contact .h2 { margin-bottom: clamp(0.9rem, 2.2vw, 1.3rem); }
#contact .lede { margin-bottom: clamp(1.4rem, 3vw, 1.9rem); }
#contact .social { margin-top: clamp(1.4rem, 3vw, 1.9rem); }
#contact .contact__note { margin-top: 1rem; }

.contact__line { display: flex; align-items: center; gap: 0.85rem; flex-wrap: wrap; }
.contact__email {
  font-family: var(--display);
  font-size: clamp(1.35rem, 1.1rem + 1.5vw, 2.1rem);
  color: var(--cream);
  border-bottom: 1px solid var(--gold-line);
  padding-bottom: 0.15rem;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.contact__email:hover { color: var(--gold-soft); border-color: var(--gold); }

.contact__copy {
  width: 2.4rem; height: 2.4rem; display: grid; place-items: center;
  background: none; border: 1px solid var(--line-light); border-radius: 50%;
  cursor: pointer;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}
.contact__copy svg { width: 1rem; height: 1rem; fill: none; stroke: var(--on-dark); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.contact__copy:hover { border-color: var(--gold); background: rgba(201, 162, 39, 0.1); }

.contact__toast {
  font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--gold-soft); opacity: 0;
  transition: opacity 0.3s var(--ease);
}
.contact__toast.is-visible { opacity: 1; }

.social { display: flex; gap: clamp(1.25rem, 3vw, 2rem); margin-top: clamp(2.25rem, 5vw, 3rem); }
.social__link {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--on-dark-dim);
  transition: color 0.3s var(--ease);
}
.social__link svg { width: 1.05rem; height: 1.05rem; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.social__link svg .filled { fill: currentColor; stroke: none; }
.social__link:hover { color: var(--gold-soft); }

.contact__note { margin-top: 1.5rem; font-size: 0.82rem; color: var(--on-dark-dim); }

/* ============ 10 · FOOTER ============ */
.footer {
  background: var(--forest-darkest);
  color: var(--on-dark-dim);
  border-top: 1px solid var(--line-light);
  padding-block: clamp(1.15rem, 2.4vw, 1.6rem);
}
.footer__inner {
  position: relative;
  max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter);
  display: grid; gap: 1.15rem;
}
@media (min-width: 44rem) {
  .footer__inner { grid-template-columns: 1fr auto; align-items: center; }
}
.footer__brand { display: flex; align-items: center; gap: 1rem; }
.footer__mark { width: 2.35rem; opacity: 0.9; }
.footer__tagline {
  font-family: var(--accent); font-style: italic;
  font-size: 1.25rem; color: var(--cream);
}
.footer__meta { display: grid; gap: 0.3rem; font-size: 0.78rem; }
@media (min-width: 44rem) {
  /* keep clear of the back-to-top circle */
  .footer__meta { justify-items: end; text-align: right; padding-right: 3.6rem; }
}
.footer__state {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.68rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold-soft);
}
.footer__dot { width: 5px; height: 5px; border-radius: 50%; background: var(--gold); animation: pulse 2.6s ease-in-out infinite; }

.footer__top {
  position: absolute; right: var(--gutter); top: -1.3rem;
  width: 2.7rem; height: 2.7rem; display: grid; place-items: center;
  border: 1px solid var(--line-light); border-radius: 50%;
  background: var(--forest-darkest);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.footer__top svg { width: 1.05rem; height: 1.05rem; fill: none; stroke: var(--on-dark); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.footer__top:hover { border-color: var(--gold); transform: translateY(-2px); }
@media (max-width: 43.9375rem) { .footer__top { display: none; } }

/* ============ 11 · MOTION ============ */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"].is-visible { transition-delay: 0.08s; }
.reveal[data-delay="2"].is-visible { transition-delay: 0.16s; }
.reveal[data-delay="3"].is-visible { transition-delay: 0.24s; }
.reveal[data-delay="4"].is-visible { transition-delay: 0.34s; }
.reveal[data-delay="5"].is-visible { transition-delay: 0.44s; }
.reveal[data-delay="6"].is-visible { transition-delay: 0.54s; }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }
@keyframes sweep {
  0%   { transform: translateX(-100%); }
  55%  { transform: translateX(0); }
  100% { transform: translateX(100%); }
}

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

@media print {
  .nav, .hero__scroll, .signup, .footer__top { display: none; }
  body, .hero, .section--forest, .footer { background: #fff; color: #000; }
}