/* ==========================================================================
   VYZENDRA — Fortified Paneer & Smart Herd Health
   ========================================================================== */

:root{
  /* --- Color tokens --- */
  --cream:      #FBF7EF;
  --cream-dim:  #F3EDE0;
  --ink:        #16241F;
  --ink-soft:   #33453F;
  --teal:       #0E7C86;
  --teal-deep:  #0A5D65;
  --cyan:       #2FB8C4;
  --gold:       #E8B84B;
  --gold-deep:  #C99A2E;
  --pasture:    #4C7A3D;
  --white:      #FFFFFF;
  --line:       rgba(22,36,31,0.12);
  --line-soft:  rgba(22,36,31,0.07);
  --shadow:     0 20px 60px -25px rgba(22,36,31,0.35);

  /* --- Type --- */
  --f-display: "Fraunces", serif;
  --f-body:    "Manrope", sans-serif;
  --f-mono:    "IBM Plex Mono", monospace;

  --radius-lg: 28px;
  --radius-md: 16px;
  --radius-sm: 8px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body{
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
button{ font-family: inherit; cursor: pointer; }
input, select, textarea{ font-family: inherit; font-size: 1rem; }

.wrap{
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

section{ position: relative; }

.eyebrow{
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal-deep);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
}
.eyebrow::before{
  content: "";
  width: 22px;
  height: 1px;
  background: var(--gold-deep);
}

h1, h2, h3{
  font-family: var(--f-display);
  color: var(--ink);
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h2{ font-size: clamp(1.9rem, 3.2vw, 2.7rem); line-height: 1.15; }
h2 em{ font-style: italic; font-weight: 400; color: var(--teal-deep); }
h3{ font-size: 1.25rem; }

p{ margin: 0; }
.lede{ font-size: 1.08rem; color: var(--ink-soft); max-width: 46ch; }

.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-family: var(--f-body);
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color .2s ease;
  white-space: nowrap;
}
.btn:focus-visible{ outline: 2px solid var(--teal); outline-offset: 3px; }
.btn-primary{
  background: var(--ink);
  color: var(--cream);
}
.btn-primary:hover{ background: var(--teal-deep); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-ghost{
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover{ border-color: var(--ink); transform: translateY(-2px); }
.btn-wa{
  background: #1F8A5B;
  color: #fff;
}
.btn-wa:hover{ background: #176B46; transform: translateY(-2px); box-shadow: var(--shadow); }
.btn svg{ width: 18px; height: 18px; flex-shrink: 0; }

/* ---------- Nav ---------- */
.nav{
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(251,247,239,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.nav .wrap{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}
.brand{
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: 0.01em;
}
.brand .logo-mark{ width: 30px; height: 30px; }
.nav-links{
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 0.92rem;
  font-weight: 600;
}
.nav-links a{ position: relative; color: var(--ink-soft); transition: color .2s ease; }
.nav-links a:hover{ color: var(--ink); }
.nav-cta{ display: flex; align-items: center; gap: 14px; }
.nav-links-wa{ display: none; }
.nav-toggle{
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content: ""; display: block; width: 18px; height: 2px; background: var(--ink); position: relative; transition: all .2s ease;
}
.nav-toggle span::before{ position: absolute; top: -6px; }
.nav-toggle span::after{ position: absolute; top: 6px; }

/* ---------- Hero ---------- */
.hero{
  padding: 84px 0 100px;
  overflow: hidden;
}
.hero .wrap{
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero h1{
  font-size: clamp(2.5rem, 4.6vw, 3.9rem);
  line-height: 1.06;
}
.hero h1 em{
  font-style: italic;
  font-weight: 400;
  color: var(--teal-deep);
}
.hero-lede{ margin: 22px 0 32px; }
.hero-actions{ display: flex; gap: 16px; flex-wrap: wrap; }
.hero-trust{
  display: flex;
  gap: 28px;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.hero-trust div strong{ display: block; font-family: var(--f-display); font-size: 1.5rem; color: var(--ink); }
.hero-trust div span{ font-family: var(--f-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft); }

/* Signature widget: live herd-vitals panel */
.vitals-card{
  background: var(--ink);
  color: var(--cream);
  border-radius: var(--radius-lg);
  padding: 30px;
  position: relative;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.vitals-card::before{
  content: "";
  position: absolute;
  inset: -40% -40% auto auto;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(47,184,196,0.35), transparent 70%);
  pointer-events: none;
}
.vitals-head{
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
}
.vitals-head .tag{
  font-family: var(--f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  display: flex;
  align-items: center;
  gap: 8px;
}
.pulse-dot{
  width: 8px; height: 8px; border-radius: 50%;
  background: #4ADE80;
  box-shadow: 0 0 0 0 rgba(74,222,128,0.6);
  animation: pulseDot 1.8s infinite;
}
@keyframes pulseDot{
  0%{ box-shadow: 0 0 0 0 rgba(74,222,128,0.55); }
  70%{ box-shadow: 0 0 0 8px rgba(74,222,128,0); }
  100%{ box-shadow: 0 0 0 0 rgba(74,222,128,0); }
}
.vitals-id{ font-family: var(--f-mono); font-size: 0.72rem; color: rgba(251,247,239,0.55); }

.vitals-wave{ width: 100%; height: 92px; margin: 6px 0 20px; }
.vitals-wave path{
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
  animation: drawWave 3.4s ease-in-out infinite;
}
@keyframes drawWave{
  0%{ stroke-dashoffset: 900; }
  55%{ stroke-dashoffset: 0; }
  100%{ stroke-dashoffset: -900; }
}

.vitals-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 22px;
}
.vitals-grid .stat{
  background: rgba(251,247,239,0.06);
  border: 1px solid rgba(251,247,239,0.12);
  border-radius: var(--radius-sm);
  padding: 12px 10px;
}
.vitals-grid .stat b{
  display: block;
  font-family: var(--f-display);
  font-size: 1.15rem;
  color: var(--cream);
}
.vitals-grid .stat span{
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(251,247,239,0.5);
}
.vitals-status{
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--f-mono);
  font-size: 0.76rem;
  background: rgba(74,222,128,0.12);
  border: 1px solid rgba(74,222,128,0.3);
  color: #86EFAC;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
}

/* ---------- Section shell ---------- */
.section{ padding: 110px 0; }
.section-alt{ background: var(--cream-dim); }
.section-dark{ background: var(--ink); color: var(--cream); }
.section-dark .eyebrow{ color: var(--cyan); }
.section-dark .eyebrow::before{ background: var(--gold); }
.section-dark h2{ color: var(--cream); }
.section-dark .lede{ color: rgba(251,247,239,0.7); }

.section-head{
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-bottom: 56px;
}

/* ---------- Pillars ---------- */
.pillars{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.pillar-card{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.pillar-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow); }
.pillar-icon{
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
}
.pillar-icon svg{ width: 26px; height: 26px; }
.pillar-card.paneer .pillar-icon{ background: rgba(232,184,75,0.18); color: var(--gold-deep); }
.pillar-card.tracker .pillar-icon{ background: rgba(47,184,196,0.16); color: var(--teal-deep); }
.pillar-card h3{ font-size: 1.5rem; margin-bottom: 12px; }
.pillar-card p.desc{ color: var(--ink-soft); margin-bottom: 22px; }
.pillar-list{ display: grid; gap: 10px; }
.pillar-list li{
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.94rem;
  color: var(--ink-soft);
}
.pillar-list svg{ width: 16px; height: 16px; margin-top: 3px; flex-shrink: 0; color: var(--teal); }
.pillar-tagline{
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---------- How it works (process) ---------- */
.process{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  counter-reset: step;
}
.process-step{
  position: relative;
  padding: 0 26px 0 0;
  border-right: 1px solid var(--line);
}
.process-step:last-child{ border-right: none; padding-right: 0; }
.process-step .num{
  font-family: var(--f-mono);
  font-size: 0.75rem;
  color: var(--gold-deep);
  margin-bottom: 18px;
  display: block;
}
.process-step h3{ font-size: 1.1rem; margin-bottom: 10px; }
.process-step p{ color: var(--ink-soft); font-size: 0.92rem; }

/* ---------- Nutrition strip ---------- */
.nutri-wrap{
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
}
.nutri-visual{
  background: linear-gradient(155deg, var(--gold) 0%, var(--gold-deep) 100%);
  border-radius: var(--radius-lg);
  padding: 40px;
  color: var(--ink);
  min-height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow);
}
.nutri-visual .block-icon{ width: 56px; height: 56px; }
.nutri-visual .block-label{
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.75;
}
.nutri-visual .block-title{
  font-family: var(--f-display);
  font-size: 1.6rem;
  margin-top: 8px;
}
.nutri-stats{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 34px;
}
.nutri-stat{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px;
}
.nutri-stat b{
  display: block;
  font-family: var(--f-display);
  font-size: 1.9rem;
  color: var(--teal-deep);
}
.nutri-stat span{
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---------- Founders ---------- */
.founders{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.founder-card{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  gap: 22px;
}
.founder-avatar{
  width: 76px; height: 76px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-display);
  font-size: 1.5rem;
  color: var(--cream);
  background: linear-gradient(155deg, var(--teal), var(--teal-deep));
}
.founder-card:nth-child(2) .founder-avatar{ background: linear-gradient(155deg, var(--pasture), #345B29); }
.founder-role{
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-deep);
  margin-bottom: 6px;
  display: block;
}
.founder-card h3{ margin-bottom: 10px; }
.founder-card p{ color: var(--ink-soft); font-size: 0.94rem; }

/* ---------- Contact ---------- */
.contact-wrap{
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
}
.contact-info h2{ margin-bottom: 18px; }
.contact-channels{ margin-top: 32px; display: grid; gap: 14px; }
.channel{
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  transition: border-color .2s ease, transform .2s ease;
}
.channel:hover{ border-color: var(--teal); transform: translateX(4px); }
.channel .ic{
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(31,138,91,0.12);
  color: #1F8A5B;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.channel .ic svg{ width: 20px; height: 20px; }
.channel b{ display: block; font-size: 0.95rem; }
.channel span{ font-family: var(--f-mono); font-size: 0.8rem; color: var(--ink-soft); }

.form-card{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}
.field{ margin-bottom: 20px; }
.field label{
  display: block;
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 8px;
}
.field input, .field select, .field textarea{
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--cream-dim);
  color: var(--ink);
  transition: border-color .2s ease, background .2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline: none;
  border-color: var(--teal);
  background: var(--white);
}
.field textarea{ resize: vertical; min-height: 100px; }
.field-row{ display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note{
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-top: 6px;
}
.form-actions{
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 6px;
}
.form-actions .btn{ flex: 1; justify-content: center; }
.form-error{
  font-family: var(--f-mono);
  font-size: 0.78rem;
  color: #B3261E;
  margin: -8px 0 16px;
  display: none;
}
.form-error.show{ display: block; }

/* ---------- Footer ---------- */
.footer{
  background: var(--ink);
  color: rgba(251,247,239,0.7);
  padding: 64px 0 28px;
}
.footer .wrap{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
}
.footer .brand{ color: var(--cream); margin-bottom: 14px; }
.footer p{ font-size: 0.9rem; max-width: 34ch; }
.footer h4{
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
}
.footer ul{ display: grid; gap: 10px; font-size: 0.9rem; }
.footer ul a:hover{ color: var(--cream); }
.footer-bottom{
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid rgba(251,247,239,0.12);
  display: flex;
  justify-content: space-between;
  font-family: var(--f-mono);
  font-size: 0.74rem;
}

/* ---------- Reveal-on-scroll ---------- */
.reveal{ opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .hero .wrap{ grid-template-columns: 1fr; }
  .pillars{ grid-template-columns: 1fr; }
  .process{ grid-template-columns: 1fr 1fr; row-gap: 34px; }
  .process-step{ border-right: none; padding-right: 0; }
  .nutri-wrap{ grid-template-columns: 1fr; }
  .founders{ grid-template-columns: 1fr; }
  .contact-wrap{ grid-template-columns: 1fr; }
  .footer .wrap{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px){
  .wrap{ padding: 0 20px; }
  .nav-links{
    position: fixed; top: 78px; left: 0; right: 0;
    background: var(--cream);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 20px;
    border-bottom: 1px solid var(--line);
    display: none;
    gap: 18px;
  }
  .nav-links.open{ display: flex; }
  .nav-toggle{ display: flex; }
  .nav-cta{ display: none; }
  .nav-links-wa{ display: inline-flex; margin-top: 6px; }
  .brand{ font-size: 1.08rem; }
  .section{ padding: 72px 0; }
  .section-head{ flex-direction: column; align-items: flex-start; gap: 16px; }
  .process{ grid-template-columns: 1fr; }
  .field-row{ grid-template-columns: 1fr; }
  .footer .wrap{ grid-template-columns: 1fr; }
  .footer-bottom{ flex-direction: column; gap: 8px; }
  .vitals-grid{ grid-template-columns: repeat(3, 1fr); }
}