/* =========================================================
   KOTIVA™ — DESIGN SYSTEM
   Global tokens, typography, layout, reusable components
   ========================================================= */

/* ── FONTS ─────────────────────────────────────────────── */
@font-face {
  font-family: 'FuturaNowVar';
  src: url('../fonts/FuturaNowVar-Roman.ttf') format('truetype');
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: 'Manus';
  src: url('../fonts/Manus.otf') format('opentype');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'MyriadPro';
  src: url('../fonts/MyriadPro-Regular.otf') format('opentype');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Montserrat';
  src: url('../fonts/Montserrat.ttf') format('truetype');
  font-weight: 100 900;
  font-display: swap;
}

/* ── TOKENS ─────────────────────────────────────────────── */
:root {
  --black:          #0A0A0A;
  --black-soft:     #111110;
  --off-white:      #F5F0E8;
  --off-white-dim:  #EDE7DC;
  --bronze:         #C4956A;
  --bronze-light:   #D4A87A;
  --bronze-dim:     #8B6642;
  --red:            #CC2222;
  --taupe:          #8B7355;
  --taupe-light:    #B8A892;
  --mid:            #3A3530;
  --border:         rgba(196,149,106,0.18);
  --border-light:   rgba(245,240,232,0.1);
  --card-bg:        #F8F4EE;

  --font-display:   'FuturaNowVar', 'Futura', 'Century Gothic', sans-serif;
  --font-script:    'Manus', cursive;
  --font-body:      'MyriadPro', 'Helvetica Neue', Arial, sans-serif;
  --font-logo:      'Montserrat', sans-serif;

  --ease-out:       cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:    cubic-bezier(0.45, 0, 0.55, 1);

  --nav-h:          76px;
  --max-w:          1380px;
  --gap-section:    clamp(80px, 10vw, 160px);
}

/* ── RESET ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--black);
  color: var(--off-white);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: inherit; }
ul { list-style: none; }

/* ── TYPOGRAPHY SCALE ───────────────────────────────────── */
.t-eyebrow {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--bronze);
}
.t-display {
  font-family: var(--font-display);
  font-size: clamp(52px, 7vw, 110px);
  font-weight: 800;
  line-height: 0.93;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}
.t-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.5vw, 72px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.t-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 2.5vw, 42px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.t-script {
  font-family: var(--font-script);
  font-size: clamp(28px, 3vw, 52px);
  color: var(--red);
  line-height: 1.1;
}
.t-body {
  font-family: var(--font-body);
  font-size: clamp(14px, 1.1vw, 17px);
  line-height: 1.7;
  color: rgba(245,240,232,0.65);
}
.t-caption {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.t-light { color: var(--off-white); }
.t-bronze { color: var(--bronze); }
.t-dim { color: rgba(245,240,232,0.4); }

/* ── LAYOUT ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(24px, 4vw, 80px);
}
.section-pad { padding: var(--gap-section) 0; }
.cream-bg { background: var(--off-white); color: var(--black); }
.dark-bg  { background: var(--black); color: var(--off-white); }
.mid-bg   { background: #161410; color: var(--off-white); }

/* ── NAVIGATION ─────────────────────────────────────────── */
#site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  padding: 0 clamp(20px, 4vw, 60px);
  gap: 12px;
  transition: background 0.4s var(--ease-out), border-color 0.4s;
  border-bottom: 1px solid transparent;
  overflow: hidden; /* prevent any child from pushing nav wider */
}
#site-nav.scrolled {
  background: rgba(10,10,10,0.97);
  backdrop-filter: blur(12px);
  border-color: var(--border);
}
.nav-logo {
  font-family: var(--font-logo);
  font-size: clamp(16px, 2vw, 22px);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--off-white);
  flex-shrink: 0;
  white-space: nowrap;
}
.nav-logo sup { font-size: 0.55em; vertical-align: super; }
.nav-links {
  display: flex;
  gap: clamp(16px, 2.2vw, 44px);
  margin: 0 auto;
  overflow: hidden;
}
.nav-links a {
  font-family: var(--font-display);
  font-size: clamp(8px, 0.65vw, 10px);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(245,240,232,0.7);
  transition: color 0.2s;
  position: relative;
  white-space: nowrap;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0; right: 0;
  height: 1px;
  background: var(--bronze);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-out);
}
.nav-links a:hover { color: var(--off-white); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.active { color: var(--off-white); }
.nav-links a.active::after { transform: scaleX(1); }
.nav-right { display: flex; align-items: center; gap: 20px; flex-shrink: 0; }
.nav-cta {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--bronze);
  padding: 11px 22px;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--bronze-light); }
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 26px;
  cursor: pointer;
}
.nav-hamburger span {
  height: 1.5px;
  background: var(--off-white);
  transition: transform 0.3s, opacity 0.3s;
}

/* ── MOBILE NAV ─────────────────────────────────────────── */
.nav-mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--black);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 36px;
}
.nav-mobile-menu.open { display: flex; }
.nav-mobile-menu a {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--off-white);
  transition: color 0.2s;
}
.nav-mobile-menu a:hover { color: var(--bronze); }
.nav-mobile-close {
  position: absolute;
  top: 20px; right: 20px;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--off-white);
  cursor: pointer;
  background: none;
  border: none;
}

/* ── BUTTONS ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 16px 32px;
  transition: all 0.25s var(--ease-out);
  cursor: pointer;
}
.btn-primary { background: var(--off-white); color: var(--black); }
.btn-primary:hover { background: var(--bronze-light); }
.btn-bronze { background: var(--bronze); color: var(--black); }
.btn-bronze:hover { background: var(--bronze-light); }
.btn-outline { border: 1px solid rgba(245,240,232,0.3); color: var(--off-white); }
.btn-outline:hover { border-color: var(--bronze); color: var(--bronze); }
.btn-outline-dark { border: 1px solid rgba(10,10,10,0.25); color: var(--black); }
.btn-outline-dark:hover { border-color: var(--black); background: var(--black); color: var(--off-white); }
.btn-text {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--black);
  border-bottom: 1px solid currentColor;
  padding-bottom: 3px;
  transition: color 0.2s;
}
.btn-text-light {
  color: var(--off-white);
  border-bottom: 1px solid rgba(245,240,232,0.4);
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding-bottom: 3px;
  transition: color 0.2s;
}
.btn-text-light:hover { color: var(--bronze); border-bottom-color: var(--bronze); }
.btn-text:hover { color: var(--bronze); }

/* ── DOCTOR STRIP ────────────────────────────────────────── */
.doctor-strip {
  background: var(--bronze);
  padding: 14px 0;
  overflow: hidden;
  display: flex;
}
.doctor-strip-track {
  display: flex;
  animation: marquee-strip 28s linear infinite;
  white-space: nowrap;
  will-change: transform;
}
.doctor-strip-item {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--black);
  flex-shrink: 0;
}
.doctor-strip-dot {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: rgba(10,10,10,0.35);
  flex-shrink: 0;
}
@keyframes marquee-strip {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── INGREDIENT MARQUEE ─────────────────────────────────── */
.ingredient-strip {
  background: var(--black-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
  overflow: hidden;
}
.ingredient-track {
  display: flex;
  animation: marquee-strip 40s linear infinite;
  white-space: nowrap;
  will-change: transform;
}
.ingredient-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 20px;
  flex-shrink: 0;
}
.ingredient-name {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(245,240,232,0.5);
  transition: color 0.2s;
}
.ingredient-item:hover .ingredient-name { color: var(--bronze); }
.ingredient-dot {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--border);
}

/* ── PRODUCT CARD ────────────────────────────────────────── */
.product-card {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.4s var(--ease-out);
}
.product-card:hover { transform: translateY(-4px); }

/* Image area — warm cream background, real product photos sit clean */
.product-card-visual {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--card-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-card-visual img {
  width: 88%;
  height: 88%;
  object-fit: contain;
  transition: transform 0.6s var(--ease-out);
  position: relative;
  z-index: 1;
}
.product-card:hover .product-card-visual img { transform: scale(1.05); }

/* Hover overlay */
.product-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,10,10,0.82);
  opacity: 0;
  transition: opacity 0.35s;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  z-index: 2;
}
.product-card:hover .product-card-overlay { opacity: 1; }
.product-card-ingredients {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bronze-light);
  line-height: 1.8;
}

/* Badge */
.product-card-badge {
  position: absolute;
  top: 14px; left: 14px;
  font-family: var(--font-display);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--bronze);
  padding: 5px 10px;
  z-index: 3;
}

/* Info */
.product-card-info { padding: 18px 0 0; }
.product-card-category {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 7px;
}
.product-card-name {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--off-white);
  margin-bottom: 5px;
  line-height: 1.2;
}
.product-card-name.dark { color: var(--black); }
.product-card-category.dark { color: var(--taupe); }
.product-card-action {
  font-family: var(--font-body);
  font-size: 12px;
  color: rgba(245,240,232,0.4);
  line-height: 1.5;
}
.product-card-action.dark { color: rgba(10,10,10,0.5); }

/* ── CATEGORY CARD ───────────────────────────────────────── */
.cat-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 3/4;
}
.cat-bg {
  position: absolute; inset: 0;
  transition: transform 0.6s var(--ease-out);
}
.cat-card:hover .cat-bg { transform: scale(1.06); }
.cat-overlay {
  position: absolute; inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px 24px;
  background: linear-gradient(180deg, transparent 40%, rgba(10,10,10,0.8) 100%);
}
.cat-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--off-white);
  margin-bottom: 4px;
}
.cat-count {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bronze);
}

/* ── FOOTER ──────────────────────────────────────────────── */
#site-footer {
  background: var(--black-soft);
  border-top: 1px solid var(--border);
}
.footer-upper {
  padding: 80px 0 60px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
}
.footer-logo-area .footer-logo {
  font-family: var(--font-logo);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--off-white);
  display: inline-block;
  margin-bottom: 20px;
}
.footer-logo sup { font-size: 13px; vertical-align: super; }
.footer-tagline {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245,240,232,0.4);
  max-width: 260px;
  margin-bottom: 24px;
}
.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  padding: 8px 16px;
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bronze);
}
.footer-col-title {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--off-white);
  margin-bottom: 24px;
}
.footer-col-links { display: flex; flex-direction: column; gap: 14px; }
.footer-col-links a {
  font-size: 13px;
  color: rgba(245,240,232,0.4);
  transition: color 0.2s;
  letter-spacing: 0.02em;
}
.footer-col-links a:hover { color: var(--off-white); }
.footer-lower {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-copy {
  font-size: 11px;
  color: rgba(245,240,232,0.2);
  letter-spacing: 0.05em;
}
.footer-social { display: flex; gap: 24px; }
.footer-social a {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(245,240,232,0.3);
  transition: color 0.2s;
}
.footer-social a:hover { color: var(--bronze); }

/* ── SCROLL REVEAL ───────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal.revealed { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-fade {
  opacity: 0;
  transition: opacity 0.9s var(--ease-out);
}
.reveal-fade.revealed { opacity: 1; }

/* ── MISC ────────────────────────────────────────────────── */
.form-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(245,240,232,0.2);
  padding: 14px 0;
  font-size: 14px;
  color: var(--off-white);
  outline: none;
  transition: border-color 0.3s;
}
.form-input::placeholder { color: rgba(245,240,232,0.3); }
.form-input:focus { border-color: var(--bronze); }
.page-header {
  padding-top: calc(var(--nav-h) + 80px);
  padding-bottom: 80px;
  border-bottom: 1px solid var(--border);
}
.section-header { margin-bottom: clamp(40px, 5vw, 72px); }
.section-header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}
.grain-overlay {
  pointer-events: none;
  position: absolute;
  inset: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 200px;
}
.divider { height: 1px; background: var(--border); }
.pill {
  display: inline-block;
  padding: 5px 12px;
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  color: var(--bronze);
}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1100px) {
  .footer-upper { grid-template-columns: 1fr 1fr; gap: 40px; }
}

/* Tablet nav — hide links + CTA, show hamburger */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-cta   { display: none; }
  .nav-hamburger { display: flex; margin-left: auto; }
}

@media (max-width: 900px) {
  .brand-story { grid-template-columns: 1fr; }
  .brand-story-visual { min-height: 360px; }
}

@media (max-width: 768px) {
  .footer-upper { grid-template-columns: 1fr 1fr; gap: 32px 24px; }
  .footer-lower { flex-direction: column; gap: 16px; text-align: center; }
  :root { --nav-h: 64px; }

  /* Hero: hide scroll indicator so it doesn't overlap on short viewports */
  .hero-scroll { display: none; }

  /* Section spacing tighter on mobile */
  :root { --gap-section: clamp(60px, 8vw, 120px); }

  /* Section header stacked */
  .section-header-row { flex-direction: column; align-items: flex-start; gap: 16px; }

  /* Featured header stacked */
  .featured-header { flex-direction: column; align-items: flex-start; gap: 12px; }

  /* Science grid stacks */
  .science-grid { grid-template-columns: 1fr; }
  .science-ingredient-grid { grid-template-columns: repeat(2, 1fr); }

  /* Journal grid single column */
  .journal-grid { grid-template-columns: 1fr; }

  /* Routine steps 2-col */
  .routine-steps-container { grid-template-columns: repeat(2, 1fr); }

  /* Filter bar: add a left-padding container feel */
  .filter-bar, .journal-filter { padding-left: 0; }
}

@media (max-width: 600px) {
  /* Pillars full-width */
  .pillars-grid { grid-template-columns: 1fr; }

  /* Product grids 2 columns */
  .products-grid-6 { grid-template-columns: repeat(2, 1fr); }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }

  /* Science ingredients 1 col */
  .science-ingredient-grid { grid-template-columns: 1fr; }

  /* Routine steps 1 col on very small */
  .routine-steps-container { grid-template-columns: 1fr; }

  /* Newsletter form stacks on small */
  .newsletter-form-row { flex-direction: column; }
  .newsletter-submit { width: 100%; padding: 16px; }

  /* Story values 1 col */
  .story-values { grid-template-columns: 1fr; }
}

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

  /* Hero display text tighter on very small */
  .hero-display { letter-spacing: -0.02em; }

  /* Mobile menu links smaller on tiny phones */
  .nav-mobile-menu a { font-size: 22px; }
}

/* ── GLOBAL READABILITY ──────────────────────────────────── */
p, .t-body, .manifesto-body p, .pillar-desc,
.story-manifesto, .philo-desc, .value-desc,
.journal-excerpt, .wtb-desc {
  text-wrap: pretty;
}