/* =========================================================
   ISHTA CAPITAL — ishtacapital.in
   Visual Design System v1.0 implementation
   Deep Plum + Capital Copper on Warm Ivory
   ========================================================= */

:root {
  /* Brand colours */
  --plum: #381941;
  --plum-deep: #2b1332;
  --copper: #B2663B;
  --copper-soft: #C5815A;
  --ivory: #FEF9F1;
  --charcoal: #2F2F31;
  --sand: #F3E7DD;
  --grey: #6E686A;
  --white: #FFFFFF;
  --border-soft: #E7DCCF;

  /* Typography */
  --font-heading: 'Montserrat', Arial, sans-serif;
  --font-body: 'Source Sans 3', Arial, sans-serif;

  /* Spacing scale */
  --sp-xs: 4px;
  --sp-sm: 8px;
  --sp-md: 16px;
  --sp-lg: 24px;
  --sp-xl: 40px;
  --sp-2xl: 64px;
  --sp-3xl: 104px;

  /* Shape */
  --radius-card: 12px;
  --radius-btn: 9px;
  --shadow-soft: 0 8px 28px rgba(56, 25, 65, 0.08);

  /* Layout */
  --content-max: 1240px;
  --prose-max: 740px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ivory);
  color: var(--charcoal);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--plum);
  margin: 0 0 var(--sp-md);
  line-height: 1.15;
  font-weight: 700;
}

h1 { font-size: clamp(34px, 5vw, 58px); font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: clamp(26px, 3.4vw, 34px); font-weight: 650; }
h3 { font-size: clamp(19px, 2.2vw, 23px); font-weight: 600; }

p { margin: 0 0 var(--sp-md); }

.lead {
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.55;
  color: var(--charcoal);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: var(--sp-sm);
}

.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--sp-lg);
}

.prose { max-width: var(--prose-max); }

section { padding: var(--sp-3xl) 0; }

.section-tight { padding: var(--sp-2xl) 0; }

hr.rule {
  border: none;
  border-top: 1px solid var(--border-soft);
  margin: var(--sp-2xl) 0;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--plum);
  color: var(--ivory);
  padding: 10px 18px;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus {
  left: 0;
  top: 0;
}

/* Focus states */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
  border-radius: 4px;
}

/* =========================
   Buttons
   ========================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 26px;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 200ms ease, color 200ms ease, border-color 200ms ease, transform 200ms ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--copper);
  color: var(--ivory);
}
.btn-primary:hover { background: #9c5730; }

.btn-secondary {
  background: transparent;
  color: var(--plum);
  border-color: var(--plum);
}
.btn-secondary:hover { background: var(--plum); color: var(--ivory); }

.btn-ghost {
  background: transparent;
  color: var(--plum);
  border-color: var(--border-soft);
}
.btn-ghost:hover { border-color: var(--plum); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-md);
  margin-top: var(--sp-lg);
}

.text-link {
  color: var(--plum);
  font-weight: 600;
  border-bottom: 1px solid var(--copper-soft);
  padding-bottom: 2px;
  transition: border-color 200ms ease, color 200ms ease;
}
.text-link:hover { border-color: var(--copper); color: var(--copper); }

.text-link.arrow::after {
  content: "\2192";
  margin-left: 6px;
  display: inline-block;
  transition: transform 200ms ease;
}
.text-link.arrow:hover::after { transform: translateX(3px); }

/* =========================
   Header
   ========================= */
.site-header {
  background: var(--ivory);
  border-bottom: 1px solid var(--border-soft);
  position: sticky;
  top: 0;
  z-index: 500;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  gap: var(--sp-lg);
}

.brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.brand img { height: 60px; width: auto; }

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-xl);
}

.nav-links {
  display: flex;
  gap: var(--sp-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-family: var(--font-heading);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--plum);
  padding: 8px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color 200ms ease, color 200ms ease;
}
.nav-links a:hover { color: var(--copper); }
.nav-links a[aria-current="page"] {
  color: var(--copper);
  border-bottom-color: var(--copper);
}

.nav-contact {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 14.5px;
  color: var(--plum);
  border: 1px solid var(--plum);
  padding: 10px 20px;
  border-radius: var(--radius-btn);
  transition: background-color 200ms ease, color 200ms ease;
}
.nav-contact:hover { background: var(--plum); color: var(--ivory); }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}
.menu-toggle span {
  width: 26px;
  height: 2px;
  background: var(--plum);
  display: block;
}

/* Mobile nav panel */
.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--ivory);
  border-bottom: 1px solid var(--border-soft);
  padding: var(--sp-md) var(--sp-lg) var(--sp-lg);
}
.mobile-nav a {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 17px;
  color: var(--plum);
  padding: 14px 0;
  border-bottom: 1px solid var(--border-soft);
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav.open { display: flex; }

.nav-toggle-input { position: absolute; opacity: 0; pointer-events: none; }
.nav-toggle-input:checked ~ .mobile-nav { display: flex; }
.nav-toggle-input:checked ~ .container .menu-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle-input:checked ~ .container .menu-toggle span:nth-child(2) { opacity: 0; }
.nav-toggle-input:checked ~ .container .menu-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.menu-toggle span { transition: transform 200ms ease, opacity 200ms ease; }

@media (max-width: 900px) {
  .main-nav { display: none; }
  .menu-toggle { display: flex; }
  .site-header .container { min-height: 72px; }
  .brand img { height: 36px; }
}

/* =========================
   Hero
   ========================= */
.hero {
  background: var(--ivory);
  padding: var(--sp-2xl) 0 var(--sp-3xl);
  position: relative;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--sp-2xl);
  align-items: center;
}

.hero-media {
  border-radius: var(--radius-card);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4 / 3.1;
}
.hero-media img { width: 100%; height: 100%; object-fit: cover; }

.hero-media .hero-tag {
  position: absolute;
  top: var(--sp-lg);
  right: var(--sp-lg);
  background: rgba(56, 25, 65, 0.55);
  backdrop-filter: blur(2px);
  color: var(--ivory);
  padding: 14px 18px;
  border-radius: 8px;
  font-family: var(--font-heading);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.9;
}

.hero h1 { margin-bottom: var(--sp-md); }
.hero .lead { margin-bottom: var(--sp-md); color: var(--charcoal); }

.page-hero {
  background: var(--sand);
  padding: var(--sp-2xl) 0;
  border-bottom: 1px solid var(--border-soft);
}
.page-hero .container { max-width: var(--content-max); }
.page-hero h1 { max-width: 820px; }
.page-hero .lead { max-width: var(--prose-max); }

@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-media { order: -1; aspect-ratio: 16/10; }
}

/* =========================
   Feature strip (icon row)
   ========================= */
.feature-strip {
  background: var(--sand);
  padding: var(--sp-xl) 0;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-xl);
}
.feature-item {
  text-align: center;
  padding: 0 var(--sp-sm);
  border-left: 1px solid var(--border-soft);
}
.feature-item:first-child { border-left: none; }
.feature-icon {
  width: 46px;
  height: 46px;
  margin: 0 auto var(--sp-sm);
  color: var(--copper);
}
.feature-icon svg { width: 100%; height: 100%; }
.feature-item h3 { font-size: 17px; margin-bottom: 4px; }
.feature-item p { font-size: 14.5px; color: var(--grey); margin: 0; }

@media (max-width: 900px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); row-gap: var(--sp-lg); }
  .feature-item { border-left: none; border-top: 1px solid var(--border-soft); padding-top: var(--sp-lg); }
  .feature-item:nth-child(1), .feature-item:nth-child(2) { border-top: none; padding-top: 0; }
}

/* =========================
   Two-column split section
   ========================= */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2xl);
}
.split-divider { position: relative; }
.split-divider::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--sp-xl));
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border-soft);
}
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; gap: var(--sp-2xl); }
  .split-divider::before { display: none; }
}

/* =========================
   Cards
   ========================= */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-lg);
}
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid.cols-5 { grid-template-columns: repeat(5, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-card);
  padding: var(--sp-lg);
}
.card h3 { margin-bottom: var(--sp-sm); }
.card p { color: var(--grey); font-size: 15.5px; margin: 0; }

.fit-card {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-card);
  padding: var(--sp-lg);
  height: 100%;
}
.fit-card .fit-icon {
  width: 40px;
  height: 40px;
  color: var(--copper);
  margin-bottom: var(--sp-md);
}
.fit-card .fit-icon svg { width: 100%; height: 100%; }
.fit-card h3 { font-size: 18px; }
.fit-card p { color: var(--grey); font-size: 15px; margin: 0; }

@media (max-width: 900px) {
  .card-grid, .card-grid.cols-2 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .card-grid, .card-grid.cols-2 { grid-template-columns: 1fr; }
}

/* Icon-only fit row (Home page business-type icons) */
.icon-fit-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--sp-md);
}
@media (max-width: 640px) {
  .icon-fit-row { grid-template-columns: repeat(3, 1fr); row-gap: var(--sp-lg); }
}

/* =========================
   Principle blocks (Investment Philosophy)
   ========================= */
.principle {
  padding: var(--sp-xl) 0;
  border-top: 1px solid var(--border-soft);
}
.principle:first-of-type { border-top: none; }
.principle-number {
  font-family: var(--font-heading);
  color: var(--copper-soft);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-sm);
  display: block;
}
.principle h2 { margin-bottom: var(--sp-md); }
.principle .prose p { color: var(--charcoal); }
.principle ul { color: var(--charcoal); }

/* =========================
   Process steps (How We Invest)
   ========================= */
.process-list { list-style: none; margin: 0; padding: 0; }
.process-step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: var(--sp-lg);
  padding: var(--sp-lg) 0;
  border-top: 1px solid var(--border-soft);
}
.process-step:first-child { border-top: none; padding-top: 0; }
.process-step .step-num {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 22px;
  color: var(--copper);
  border: 1.5px solid var(--copper-soft);
  border-radius: 50%;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.process-step h3 { margin-bottom: var(--sp-sm); }
.process-step p { color: var(--charcoal); margin: 0 0 var(--sp-sm); }
.process-step ul { margin: var(--sp-sm) 0 0; padding-left: 20px; color: var(--charcoal); }
.process-step li { margin-bottom: 4px; }

@media (max-width: 640px) {
  .process-step { grid-template-columns: 44px 1fr; }
  .process-step .step-num { width: 40px; height: 40px; font-size: 17px; }
}

/* =========================
   Pull quote
   ========================= */
.pull-quote {
  background: var(--plum);
  color: var(--ivory);
  padding: var(--sp-2xl) 0;
}
.pull-quote .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-2xl);
}
.pull-quote blockquote {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 600;
  line-height: 1.4;
  max-width: 760px;
  position: relative;
  padding-left: var(--sp-lg);
  border-left: 3px solid var(--copper);
}
.pull-quote .quote-side {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 2.1;
  color: var(--copper-soft);
  white-space: nowrap;
  border-top: 2px solid var(--copper-soft);
  padding-top: var(--sp-sm);
}
@media (max-width: 900px) {
  .pull-quote .container { flex-direction: column; align-items: flex-start; gap: var(--sp-lg); }
}

/* Simple centered pull quote (no side note) */
.quote-centered {
  padding: var(--sp-2xl) 0;
  text-align: center;
}
.quote-centered blockquote {
  margin: 0 auto;
  max-width: 820px;
  font-family: var(--font-heading);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 650;
  color: var(--plum);
  line-height: 1.4;
}
.quote-centered .rule-mark {
  width: 46px;
  height: 3px;
  background: var(--copper);
  margin: 0 auto var(--sp-lg);
}

/* =========================
   Governance list
   ========================= */
.gov-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-md) var(--sp-2xl);
}
.gov-list li {
  padding: var(--sp-md) 0 var(--sp-md) var(--sp-lg);
  border-top: 1px solid var(--border-soft);
  position: relative;
}
.gov-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(var(--sp-md) + 8px);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--copper-soft);
}
@media (max-width: 640px) { .gov-list { grid-template-columns: 1fr; } }

/* =========================
   CTA / contact prompt panel
   ========================= */
.cta-panel {
  background: var(--sand);
  border-radius: var(--radius-card);
  padding: var(--sp-2xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-2xl);
}
.cta-panel h2 { margin-bottom: var(--sp-sm); }
.cta-panel p { color: var(--grey); margin: 0; }
.cta-panel .cta-actions { flex-shrink: 0; text-align: right; }
.cta-panel .cta-note { font-size: 14px; color: var(--grey); margin-top: var(--sp-sm); }

@media (max-width: 900px) {
  .cta-panel { flex-direction: column; align-items: flex-start; text-align: left; }
  .cta-panel .cta-actions { text-align: left; }
}

.page-end-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--sp-lg);
  border-top: 1px solid var(--border-soft);
  flex-wrap: wrap;
  gap: var(--sp-md);
}

/* =========================
   Contact page
   ========================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--sp-2xl);
}
.contact-checklist {
  list-style: none;
  margin: var(--sp-lg) 0;
  padding: 0;
}
.contact-checklist li {
  padding: 12px 0 12px 30px;
  border-top: 1px solid var(--border-soft);
  position: relative;
  color: var(--charcoal);
}
.contact-checklist li:first-child { border-top: none; }
.contact-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--copper);
  border-radius: 3px;
}

.contact-card {
  background: var(--plum);
  color: var(--ivory);
  border-radius: var(--radius-card);
  padding: var(--sp-2xl) var(--sp-lg);
  height: fit-content;
}
.contact-card h3 { color: var(--ivory); font-size: 20px; }
.contact-card .contact-line {
  display: block;
  margin-bottom: var(--sp-md);
  font-size: 15.5px;
  color: var(--sand);
}
.contact-card .contact-line strong {
  display: block;
  font-family: var(--font-heading);
  color: var(--ivory);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 3px;
}
.contact-card .btn-primary { margin-top: var(--sp-md); width: 100%; justify-content: center; }

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* =========================
   Ecosystem / wider-context block
   ========================= */
.ecosystem-block {
  background: var(--sand);
  border-radius: var(--radius-card);
  padding: var(--sp-2xl);
}
.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-lg);
  margin-top: var(--sp-lg);
}
.ecosystem-item {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: var(--sp-md);
}
.ecosystem-item .eco-name {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--plum);
  font-size: 15px;
  display: block;
  margin-bottom: 2px;
}
.ecosystem-item .eco-role { color: var(--grey); font-size: 13.5px; }
@media (max-width: 900px) {
  .ecosystem-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
  .ecosystem-grid { grid-template-columns: 1fr; }
}

/* =========================
   Footer
   ========================= */
.site-footer {
  background: var(--plum);
  color: var(--sand);
  padding: var(--sp-2xl) 0 var(--sp-lg);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: var(--sp-xl);
  padding-bottom: var(--sp-2xl);
  border-bottom: 1px solid rgba(254, 249, 241, 0.15);
}
.footer-brand-box {
  background: var(--ivory);
  border-radius: 10px;
  padding: 14px 18px;
  display: inline-block;
  margin-bottom: var(--sp-md);
}
.footer-brand-box img { height: 40px; width: auto; }
.site-footer .footer-tagline { color: var(--ivory); font-family: var(--font-heading); font-weight: 600; font-size: 16px; max-width: 260px; }
.footer-col h4 {
  font-family: var(--font-heading);
  color: var(--ivory);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--sp-md);
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--sand); font-size: 14.5px; transition: color 200ms ease; }
.footer-col a:hover { color: var(--copper-soft); }
.footer-col .ext-label { color: var(--grey); font-size: 12px; margin-left: 4px; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-md);
  padding-top: var(--sp-lg);
  font-size: 13px;
  color: var(--grey);
}
.footer-bottom a { color: var(--grey); }
.footer-bottom a:hover { color: var(--sand); }

@media (max-width: 900px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-top { grid-template-columns: 1fr; }
}

/* =========================
   Utility
   ========================= */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.small-note { font-size: 14px; color: var(--grey); }

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