/* ============================================================
   ENCON ASIA CONSULTANTS PVT. LTD.
   Main Stylesheet · encon.css
   Design language: editorial restraint, serif authority,
   structured whitespace — inspired by wc.com
   ============================================================ */

/* ── GOOGLE FONTS ── */
@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Source+Sans+3:wght@300;400;500;600&family=Source+Code+Pro:wght@400;500&display=swap');

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }

/* ── TOKENS ── */
:root {
  /* Palette */
  --navy:        #0d1b2a;
  --navy-mid:    #1c2f45;
  --slate:       #3d5166;
  --green:       #1e5c35;
  --green-mid:   #267042;
  --green-light: #2d8050;
  --green-pale:  #eaf4ee;
  --gold:        #a07830;
  --white:       #ffffff;
  --off-white:   #f8f7f4;
  --rule-light:  #d8d4cc;
  --rule-dark:   #b0a898;
  --text-body:   #2a2a2a;
  --text-mid:    #555555;
  --text-soft:   #888080;

  /* Type scale */
  --f-xs:   11px;
  --f-sm:   13px;
  --f-base: 15px;
  --f-md:   17px;
  --f-lg:   22px;
  --f-xl:   28px;
  --f-2xl:  36px;
  --f-3xl:  48px;
  --f-hero: clamp(2.6rem, 5vw, 4.2rem);

  /* Families */
  --serif:  'Libre Baskerville', Georgia, serif;
  --sans:   'Source Sans 3', system-ui, sans-serif;
  --mono:   'Source Code Pro', monospace;

  /* Spacing */
  --nav-h:    64px;
  --gutter:   clamp(1.5rem, 5vw, 4rem);
  --max-w:    1140px;
  --col-gap:  3rem;
}

/* ── BASE ── */
body {
  font-family: var(--sans);
  font-size: var(--f-base);
  color: var(--text-body);
  background: var(--white);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── LAYOUT HELPERS ── */
.wrap {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--col-gap); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--col-gap); }

/* ── TYPOGRAPHY ── */
.serif         { font-family: var(--serif); }
.label         { font-family: var(--mono); font-size: var(--f-xs); letter-spacing: 0.18em; text-transform: uppercase; color: var(--green); }
.label-light   { color: rgba(255,255,255,0.45); }
.label-gold    { color: var(--gold); }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; line-height: 1.18; color: var(--navy); }
h1 { font-size: var(--f-hero); }
h2 { font-size: var(--f-2xl); }
h3 { font-size: var(--f-xl); }
h4 { font-size: var(--f-lg); }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* ── HORIZONTAL RULE ── */
.rule      { border: none; border-top: 1px solid var(--rule-light); margin: 3rem 0; }
.rule-dark { border-top-color: rgba(255,255,255,0.12); }
.rule-sm   { margin: 1.5rem 0; }
.rule-xs   { margin: 1rem 0; }

/* ── SECTION HEADER ── */
.section-header { margin-bottom: 3rem; }
.section-header .label { display: block; margin-bottom: 0.75rem; }
.section-header h2 { margin-bottom: 0.75rem; }
.section-header p  { font-size: var(--f-md); color: var(--text-mid); max-width: 640px; font-weight: 300; }

/* ── NAV ── */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  height: var(--nav-h);
  background: var(--white);
  border-bottom: 1px solid var(--rule-light);
  display: flex; align-items: stretch;
  transition: box-shadow 0.25s;
}
#nav.scrolled { box-shadow: 0 1px 12px rgba(0,0,0,0.08); }

.nav-inner {
  max-width: var(--max-w); width: 100%;
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  display: flex; align-items: center; gap: 0.85rem; flex-shrink: 0;
}
.nav-logo-mark {
  width: 34px; height: 34px; background: var(--green); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}
.nav-logo-mark span { font-family: var(--mono); font-size: 9px; color: white; letter-spacing: 0; font-weight: 500; }
.nav-logo-text strong { display: block; font-family: var(--serif); font-size: 15px; font-weight: 700; color: var(--navy); letter-spacing: 0.01em; line-height: 1.1; }
.nav-logo-text small  { display: block; font-family: var(--mono); font-size: 9px; color: var(--text-soft); letter-spacing: 0.1em; text-transform: uppercase; margin-top: 2px; }

.nav-links { display: flex; align-items: center; gap: 0; list-style: none; }
.nav-links li a {
  display: block; padding: 0 1rem;
  font-size: var(--f-sm); font-weight: 400; color: var(--text-mid);
  letter-spacing: 0.02em; line-height: var(--nav-h);
  border-bottom: 2px solid transparent;
  transition: color 0.18s, border-color 0.18s;
}
.nav-links li a:hover, .nav-links li a.active { color: var(--green); border-bottom-color: var(--green); }
.nav-links li.nav-cta a {
  background: var(--green); color: white; margin-left: 1rem;
  padding: 0 1.4rem; line-height: 36px; border-radius: 0;
  font-size: var(--f-xs); letter-spacing: 0.1em; text-transform: uppercase; font-weight: 600;
  border-bottom: 2px solid transparent;
}
.nav-links li.nav-cta a:hover { background: var(--green-mid); }

/* ── PAGES ── */
.page { display: none; padding-top: var(--nav-h); min-height: 100vh; }
.page.active { display: block; }

/* ── HERO ── */
.hero {
  background: var(--navy);
  padding: 7rem 0 6rem;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 100% at 75% 40%, rgba(30,92,53,0.18) 0%, transparent 65%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; }
.hero .label { display: block; margin-bottom: 1.25rem; }
.hero h1 { color: white; margin-bottom: 1.5rem; max-width: 720px; }
.hero h1 em { color: #7ab89a; font-style: italic; }
.hero-lead { font-size: var(--f-md); color: rgba(255,255,255,0.55); max-width: 580px; font-weight: 300; line-height: 1.75; margin-bottom: 2.5rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── BUTTONS ── */
.btn {
  display: inline-block; font-family: var(--sans);
  font-size: var(--f-xs); font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.8rem 1.8rem; border: 1px solid transparent;
  cursor: pointer; transition: background 0.18s, color 0.18s, border-color 0.18s;
}
.btn-primary { background: var(--green); color: white; border-color: var(--green); }
.btn-primary:hover { background: var(--green-mid); border-color: var(--green-mid); }
.btn-outline-white { background: transparent; color: white; border-color: rgba(255,255,255,0.35); }
.btn-outline-white:hover { border-color: white; }
.btn-outline-dark { background: transparent; color: var(--navy); border-color: var(--rule-dark); }
.btn-outline-dark:hover { border-color: var(--navy); }

/* ── STATS BAR ── */
.stats-bar {
  background: var(--off-white);
  border-bottom: 1px solid var(--rule-light);
  padding: 2.2rem 0;
}
.stats-inner { display: flex; gap: 0; }
.stat-item {
  flex: 1; text-align: center;
  padding: 0 2rem;
  border-right: 1px solid var(--rule-light);
}
.stat-item:last-child { border-right: none; }
.stat-num { font-family: var(--serif); font-size: var(--f-2xl); color: var(--navy); line-height: 1; margin-bottom: 0.35rem; }
.stat-lbl { font-family: var(--mono); font-size: var(--f-xs); color: var(--text-soft); letter-spacing: 0.12em; text-transform: uppercase; }

/* ── SECTIONS ── */
.section        { padding: 6rem 0; }
.section-sm     { padding: 4rem 0; }
.section-alt    { background: var(--off-white); }
.section-dark   { background: var(--navy); }
.section-dark h2, .section-dark h3, .section-dark h4 { color: white; }
.section-dark p { color: rgba(255,255,255,0.55); }
.section-dark .label { color: rgba(255,255,255,0.35); }
.section-dark .rule  { border-top-color: rgba(255,255,255,0.1); }

/* ── EXPERTISE LIST ── */
.exp-list { display: flex; flex-direction: column; }
.exp-item {
  display: grid; grid-template-columns: 52px 2fr 3fr 28px;
  gap: 2rem; align-items: start;
  padding: 2rem 0;
  border-bottom: 1px solid var(--rule-light);
  transition: padding-left 0.2s;
  cursor: default;
}
.exp-item:first-child { border-top: 1px solid var(--rule-light); }
.exp-item:hover { padding-left: 0.75rem; }
.exp-item:hover .exp-arrow { color: var(--green); }
.exp-num  { font-family: var(--mono); font-size: var(--f-xs); color: var(--gold); padding-top: 0.25rem; }
.exp-icon { font-size: 1.5rem; padding-top: 0.1rem; }
.exp-body h3 { font-size: var(--f-lg); margin-bottom: 0.4rem; }
.exp-body p  { font-size: var(--f-sm); color: var(--text-mid); line-height: 1.68; margin: 0; }
.exp-tags    { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.75rem; }
.exp-arrow   { font-size: 1rem; color: var(--rule-dark); padding-top: 0.3rem; transition: color 0.18s; justify-self: end; }

/* ── PROJECTS LIST ── */
.proj-filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2.5rem; border-bottom: 1px solid var(--rule-light); padding-bottom: 1.5rem; }
.filter-btn {
  font-family: var(--mono); font-size: var(--f-xs);
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.4rem 1rem; border: 1px solid var(--rule-light);
  background: transparent; color: var(--text-mid); cursor: pointer;
  transition: all 0.18s;
}
.filter-btn.active, .filter-btn:hover { background: var(--navy); color: white; border-color: var(--navy); }

.proj-list { display: flex; flex-direction: column; }
.proj-item {
  display: grid; grid-template-columns: 1fr 300px;
  gap: 3rem; align-items: start;
  padding: 2.2rem 0;
  border-bottom: 1px solid var(--rule-light);
  transition: background 0.18s, padding-left 0.18s;
}
.proj-item:first-child { border-top: 1px solid var(--rule-light); }
.proj-item:hover { background: var(--off-white); padding-left: 1rem; padding-right: 1rem; margin-inline: -1rem; }
.proj-sector { font-family: var(--mono); font-size: var(--f-xs); color: var(--gold); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 0.5rem; }
.proj-name   { font-family: var(--serif); font-size: var(--f-xl); color: var(--navy); line-height: 1.25; margin-bottom: 0.5rem; }
.proj-desc   { font-size: var(--f-sm); color: var(--text-mid); line-height: 1.7; }
.proj-meta   { display: flex; flex-direction: column; gap: 0.75rem; }
.proj-meta-row { display: flex; flex-direction: column; gap: 0.1rem; }
.proj-meta-row span { font-family: var(--mono); font-size: var(--f-xs); color: var(--text-soft); letter-spacing: 0.08em; text-transform: uppercase; }
.proj-meta-row strong { font-size: var(--f-sm); font-weight: 400; color: var(--text-body); }
.proj-featured { display: inline-block; font-family: var(--mono); font-size: var(--f-xs); letter-spacing: 0.1em; text-transform: uppercase; background: var(--green); color: white; padding: 0.25rem 0.7rem; margin-top: 1rem; }

/* ── TAGS ── */
.tag {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em;
  text-transform: uppercase; padding: 0.2rem 0.6rem; border: 1px solid;
}
.tag-green { border-color: var(--green); color: var(--green); background: var(--green-pale); }
.tag-dark  { border-color: var(--rule-dark); color: var(--text-soft); background: transparent; }
.tag-white { border-color: rgba(255,255,255,0.2); color: rgba(255,255,255,0.5); background: transparent; }

/* ── LEADERSHIP ── */
.leader-list { display: flex; flex-direction: column; }
.leader-item {
  display: grid; grid-template-columns: 80px 1fr 220px;
  gap: 2.5rem; align-items: start;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--rule-light);
}
.leader-item:first-child { border-top: 1px solid var(--rule-light); }
.leader-avatar {
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--green-pale); border: 2px solid var(--rule-light);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 1.4rem; color: var(--green); font-weight: 700;
  flex-shrink: 0;
}
.leader-avatar.featured { background: var(--green); color: white; border-color: var(--green); }
.leader-name  { font-family: var(--serif); font-size: var(--f-lg); color: var(--navy); margin-bottom: 0.2rem; }
.leader-title { font-family: var(--mono); font-size: var(--f-xs); color: var(--green); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.75rem; }
.leader-bio   { font-size: var(--f-sm); color: var(--text-mid); line-height: 1.7; }
.leader-quals { display: flex; flex-direction: column; gap: 0.25rem; margin-top: 0.75rem; }
.leader-qual  { font-size: var(--f-sm); color: var(--text-mid); }
.leader-qual::before { content: '— '; color: var(--rule-dark); }
.leader-exp {
  font-family: var(--serif); font-size: var(--f-2xl); color: var(--navy);
  text-align: right; line-height: 1;
}
.leader-exp span { display: block; font-family: var(--mono); font-size: var(--f-xs); color: var(--text-soft); letter-spacing: 0.1em; text-transform: uppercase; margin-top: 0.35rem; font-weight: 400; }

/* Experts grid */
.experts-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: var(--rule-light); border: 1px solid var(--rule-light); margin-top: 3rem; }
.expert-card  { background: var(--white); padding: 1.5rem; transition: background 0.18s; }
.expert-card:hover { background: var(--off-white); }
.expert-init  { width: 44px; height: 44px; border-radius: 50%; background: var(--navy); color: white; display: flex; align-items: center; justify-content: center; font-family: var(--mono); font-size: var(--f-xs); font-weight: 500; margin-bottom: 0.85rem; }
.expert-name  { font-size: var(--f-sm); font-weight: 600; color: var(--navy); margin-bottom: 0.15rem; }
.expert-role  { font-family: var(--mono); font-size: var(--f-xs); color: var(--green); letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 0.35rem; }
.expert-quals { font-size: 12px; color: var(--text-soft); line-height: 1.5; }
.expert-yrs   { font-family: var(--serif); font-size: var(--f-md); color: var(--navy); margin-top: 0.5rem; font-style: italic; }

/* ── ABOUT PILLARS ── */
.pillars-list { display: flex; flex-direction: column; }
.pillar-item {
  display: grid; grid-template-columns: 64px 1fr;
  gap: 1.5rem; align-items: start;
  padding: 1.75rem 0; border-bottom: 1px solid var(--rule-light);
}
.pillar-item:first-child { border-top: 1px solid var(--rule-light); }
.pillar-icon  { font-size: 1.6rem; padding-top: 0.15rem; }
.pillar-body h4 { font-size: var(--f-base); font-weight: 600; color: var(--navy); margin-bottom: 0.3rem; font-family: var(--sans); }
.pillar-body p  { font-size: var(--f-sm); color: var(--text-mid); margin: 0; }

/* ── APPROACH STEPS ── */
.approach-steps { display: flex; flex-wrap: wrap; gap: 0; margin-top: 2.5rem; border: 1px solid var(--rule-light); }
.approach-step {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 1rem 1.5rem; border-right: 1px solid var(--rule-light);
  background: var(--white);
}
.approach-step:last-child { border-right: none; }
.approach-step:hover { background: var(--off-white); }
.step-num  { font-family: var(--mono); font-size: var(--f-xs); color: var(--gold); }
.step-name { font-size: var(--f-sm); color: var(--navy); font-weight: 500; }

/* ── MV CARDS (Mission/Vision) ── */
.mv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: var(--rule-light); margin-bottom: 4rem; }
.mv-card { padding: 2.5rem; background: var(--white); }
.mv-card.alt { background: var(--off-white); }
.mv-card h3  { font-size: var(--f-lg); margin-bottom: 0.85rem; color: var(--navy); }
.mv-card p   { font-size: var(--f-sm); color: var(--text-mid); line-height: 1.75; margin: 0; }

/* ── CONTACT ── */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 5rem; }
.contact-info-items { display: flex; flex-direction: column; gap: 1.5rem; margin-top: 1.5rem; }
.contact-info-item { display: flex; gap: 1rem; align-items: flex-start; }
.ci-icon { width: 36px; height: 36px; background: var(--off-white); border: 1px solid var(--rule-light); display: flex; align-items: center; justify-content: center; font-size: 1rem; flex-shrink: 0; }
.ci-label { font-family: var(--mono); font-size: var(--f-xs); color: var(--text-soft); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.25rem; }
.ci-val   { font-size: var(--f-base); color: var(--text-body); }

/* ── CONTACT FORM ── */
.c-form { display: flex; flex-direction: column; gap: 1rem; }
.c-row  { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.c-group { display: flex; flex-direction: column; gap: 0.35rem; }
.c-group label { font-family: var(--mono); font-size: var(--f-xs); color: var(--text-soft); letter-spacing: 0.1em; text-transform: uppercase; }
.c-group input, .c-group textarea, .c-group select {
  background: var(--off-white); border: 1px solid var(--rule-light);
  color: var(--text-body); padding: 0.75rem 1rem;
  font-family: var(--sans); font-size: var(--f-base);
  outline: none; transition: border-color 0.18s; -webkit-appearance: none;
}
.c-group input:focus, .c-group textarea:focus, .c-group select:focus { border-color: var(--green); background: var(--white); }
.c-group textarea { resize: vertical; min-height: 110px; }
.c-group select option { background: var(--white); }

/* ── HOME PAGE EXTRAS ── */
.home-intro { display: grid; grid-template-columns: 1.1fr 1fr; gap: 5rem; align-items: start; }
.home-intro-quote {
  background: var(--navy); padding: 3rem;
  position: relative;
}
.home-intro-quote::before { content: '\201C'; font-family: var(--serif); font-size: 5rem; color: rgba(255,255,255,0.08); position: absolute; top: 1rem; left: 2rem; line-height: 1; }
.home-intro-quote blockquote { font-family: var(--serif); font-size: var(--f-lg); color: rgba(255,255,255,0.85); font-style: italic; line-height: 1.55; position: relative; }
.home-intro-quote cite { display: block; margin-top: 1.25rem; font-family: var(--mono); font-size: var(--f-xs); color: rgba(255,255,255,0.3); letter-spacing: 0.12em; text-transform: uppercase; font-style: normal; }

.home-preview { display: flex; flex-direction: column; }
.preview-item {
  display: grid; grid-template-columns: 40px 1fr 80px;
  gap: 1.5rem; align-items: center;
  padding: 1.25rem 0; border-bottom: 1px solid var(--rule-light);
  transition: padding-left 0.18s;
  cursor: pointer;
}
.preview-item:first-child { border-top: 1px solid var(--rule-light); }
.preview-item:hover { padding-left: 0.6rem; }
.preview-n    { font-family: var(--mono); font-size: var(--f-xs); color: var(--gold); }
.preview-info {}
.preview-sector { font-family: var(--mono); font-size: var(--f-xs); color: var(--text-soft); letter-spacing: 0.08em; margin-bottom: 0.2rem; }
.preview-name   { font-family: var(--serif); font-size: var(--f-base); color: var(--navy); }
.preview-year   { font-family: var(--mono); font-size: var(--f-xs); color: var(--text-soft); text-align: right; }

/* ── INLINE BANNER ── */
.jv-banner {
  background: var(--green-pale); border-left: 3px solid var(--green);
  padding: 1.5rem 2rem;
}
.jv-banner h4 { font-size: var(--f-base); font-weight: 600; font-family: var(--sans); color: var(--navy); margin-bottom: 0.4rem; }
.jv-banner p  { font-size: var(--f-sm); color: var(--text-mid); margin: 0; }

/* ── FOOTER ── */
footer {
  background: var(--navy);
  border-top: 3px solid var(--green);
  padding: 2.5rem 0;
}
.footer-inner {
  max-width: var(--max-w); margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
}
.footer-copy { font-family: var(--mono); font-size: var(--f-xs); color: rgba(255,255,255,0.25); letter-spacing: 0.06em; }
.footer-sectors { font-family: var(--mono); font-size: var(--f-xs); color: rgba(255,255,255,0.18); letter-spacing: 0.1em; text-transform: uppercase; }

/* ── SCROLL REVEAL ── */
.reveal, .reveal-l, .reveal-r {
  opacity: 0;
  transition: opacity 0.65s cubic-bezier(0.16,1,0.3,1), transform 0.65s cubic-bezier(0.16,1,0.3,1);
}
.reveal   { transform: translateY(28px); }
.reveal-l { transform: translateX(-28px); }
.reveal-r { transform: translateX(28px); }
.reveal.in, .reveal-l.in, .reveal-r.in { opacity: 1; transform: none; }

/* ── RESPONSIVE ── */
@media (max-width: 960px) {
  #nav { display: none; /* simplified – would add hamburger in production */ }
  .page { padding-top: 0; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .home-intro { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .mv-grid { grid-template-columns: 1fr; }
  .exp-item { grid-template-columns: 40px 1fr; }
  .exp-arrow { display: none; }
  .proj-item { grid-template-columns: 1fr; }
  .leader-item { grid-template-columns: 56px 1fr; }
  .leader-exp { display: none; }
  .experts-grid { grid-template-columns: 1fr 1fr; }
  .approach-steps { flex-direction: column; }
  .approach-step { border-right: none; border-bottom: 1px solid var(--rule-light); }
  .stats-inner { flex-wrap: wrap; }
  .stat-item { flex: 1 1 50%; border-bottom: 1px solid var(--rule-light); }
  .c-row { grid-template-columns: 1fr; }
  .preview-item { grid-template-columns: 36px 1fr; }
  .preview-year { display: none; }
}

@media (max-width: 600px) {
  :root { --gutter: 1.25rem; }
  h2 { font-size: 1.75rem; }
  .experts-grid { grid-template-columns: 1fr; }
}