/* ============================================
   KLS Advisory Services LLP — Main Stylesheet
   Brand: deep navy + emerald green (from logo)
   ============================================ */

:root {
  --navy: #15294b;
  --navy-2: #1d3461;
  --navy-soft: #2a4575;
  --green: #2d8659;
  --green-2: #1f6443;
  --green-soft: #3ea674;

  --bg: #fafbfc;
  --surface: #ffffff;
  --surface-2: #f3f5f8;
  --border: #e3e7ee;
  --text: #1a2438;
  --text-soft: #5b6779;
  --text-mute: #8893a4;

  --shadow-sm: 0 1px 2px rgba(21,41,75,0.05);
  --shadow: 0 4px 12px rgba(21,41,75,0.08);
  --shadow-lg: 0 16px 40px rgba(21,41,75,0.12);

  --radius: 12px;
  --radius-lg: 18px;
  --transition: 220ms cubic-bezier(.4,0,.2,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.2;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); letter-spacing: -0.01em; margin-bottom: 1rem; }
h3 { font-size: 1.4rem; margin-bottom: 0.6rem; }
h4 { font-size: 1.1rem; margin-bottom: 0.4rem; }

p { color: var(--text-soft); }

a { color: var(--green-2); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--green); }

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============================================
   PAGE TRANSITION (logo animation between pages)
   ============================================ */
.page-transition {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 380ms ease;
}
.page-transition.show {
  opacity: 1;
  pointer-events: all;
}
.page-transition.enter {
  animation: transitionEnter 800ms ease forwards;
}
.transition-logo img {
  width: 120px;
  filter: brightness(0) invert(1) drop-shadow(0 6px 20px rgba(62, 166, 116, .4));
  animation: logoSpin 1200ms cubic-bezier(.4,0,.2,1) infinite;
}
@keyframes logoSpin {
  0%   { transform: scale(.85) rotate(0deg);   opacity: .6; }
  50%  { transform: scale(1.1) rotate(180deg); opacity: 1; }
  100% { transform: scale(.85) rotate(360deg); opacity: .6; }
}
@keyframes transitionEnter {
  0%   { opacity: 1; }
  100% { opacity: 0; pointer-events: none; }
}

/* ============================================
   HEADER & NAV
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.5rem;
  gap: 1.5rem;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--navy);
}
.logo-img {
  width: 46px;
  height: 46px;
  object-fit: contain;
  transition: transform 400ms cubic-bezier(.4,0,.2,1);
}
.logo-link:hover .logo-img { transform: rotate(360deg) scale(1.06); }
.logo-text { line-height: 1.1; }
.logo-brand {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--navy);
}
.logo-sub {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
  font-weight: 600;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}
.main-nav a {
  color: var(--text);
  font-size: 0.94rem;
  font-weight: 500;
  padding: 0.4rem 0;
  position: relative;
}
.main-nav a:not(.btn-nav)::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--green);
  transition: width var(--transition);
}
.main-nav a:not(.btn-nav):hover::after,
.main-nav a.active::after { width: 100%; }
.main-nav a.active { color: var(--green-2); }

.btn-nav {
  background: var(--navy);
  color: #fff !important;
  padding: 0.55rem 1.1rem !important;
  border-radius: 999px;
  font-size: 0.85rem !important;
  font-weight: 600 !important;
  transition: all var(--transition);
}
.btn-nav:hover { background: var(--green); transform: translateY(-1px); }
.btn-nav-outline {
  background: transparent;
  color: var(--navy) !important;
  border: 1.5px solid var(--navy);
}
.btn-nav-outline:hover { background: var(--navy); color: #fff !important; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  width: 26px;
  height: 2.5px;
  background: var(--navy);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem;
  background: var(--green);
  color: #fff;
  border: none;
  border-radius: 999px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn:hover { background: var(--green-2); transform: translateY(-2px); box-shadow: var(--shadow); color: #fff; }
.btn-primary { background: var(--navy); }
.btn-primary:hover { background: var(--navy-2); color: #fff; }
.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--navy);
}
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-ghost {
  background: var(--surface-2);
  color: var(--text);
}
.btn-ghost:hover { background: var(--border); color: var(--text); }
.btn-danger { background: #dc3545; }
.btn-danger:hover { background: #c1273a; color: #fff; }
.btn-sm { padding: 0.5rem 0.9rem; font-size: 0.82rem; }
.btn-block { width: 100%; justify-content: center; }

/* ============================================
   MAIN CONTENT BASE
   ============================================ */
.main-content { min-height: calc(100vh - 200px); }

.section { padding: 4.5rem 0; }
.section-sm { padding: 2.5rem 0; }
.section-tight { padding: 3rem 0; }

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
}
.section-header .eyebrow {
  display: inline-block;
  color: var(--green);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 0.6rem;
}
.section-header h2 { margin-bottom: 0.8rem; }
.section-header p { color: var(--text-soft); font-size: 1.05rem; }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  padding: 5rem 0 6rem;
  overflow: hidden;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(45,134,89,0.10), transparent 50%),
    radial-gradient(900px 500px at 20% 110%, rgba(21,41,75,0.06), transparent 60%),
    linear-gradient(180deg, #fff 0%, var(--bg) 100%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-text .eyebrow {
  display: inline-block;
  background: rgba(45,134,89,0.10);
  color: var(--green-2);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.4rem;
}
.hero h1 {
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 60%, var(--green-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-soft);
  margin-bottom: 2rem;
  max-width: 540px;
}
.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-visual::before {
  content: '';
  position: absolute;
  inset: 8%;
  background:
    radial-gradient(circle at 30% 30%, rgba(45,134,89,0.18), transparent 60%),
    radial-gradient(circle at 70% 70%, rgba(21,41,75,0.18), transparent 60%);
  border-radius: 50%;
  animation: heroBlob 12s ease-in-out infinite alternate;
}
.hero-visual img {
  position: relative;
  width: 75%;
  filter: drop-shadow(0 30px 60px rgba(21,41,75,0.20));
  animation: heroFloat 6s ease-in-out infinite alternate;
}
@keyframes heroBlob {
  0%   { transform: rotate(0deg) scale(1); }
  100% { transform: rotate(180deg) scale(1.1); }
}
@keyframes heroFloat {
  0%   { transform: translateY(0); }
  100% { transform: translateY(-18px); }
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  transition: all var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(45,134,89,0.3);
}
.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(45,134,89,0.12), rgba(21,41,75,0.08));
  color: var(--green-2);
  font-size: 1.4rem;
  margin-bottom: 1.2rem;
}

.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

/* Specializations grid */
.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.spec-item {
  background: var(--surface);
  padding: 1.4rem 1.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.9rem;
  transition: all var(--transition);
}
.spec-item:hover {
  border-color: var(--green);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.spec-item i {
  color: var(--green);
  font-size: 1.3rem;
  width: 34px;
  text-align: center;
  flex-shrink: 0;
}
.spec-item span { font-weight: 500; color: var(--text); font-size: 0.92rem; }

/* ============================================
   VISION & MISSION
   ============================================ */
.vm-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}
.vm-item {
  display: flex;
  gap: 1.2rem;
  background: var(--surface);
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.vm-item:hover {
  border-color: var(--green);
  transform: translateX(6px);
  box-shadow: var(--shadow);
}
.vm-number {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--green-2) 100%);
  color: #fff;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.1rem;
}
.vm-text { color: var(--text); font-size: 0.96rem; line-height: 1.6; }

/* ============================================
   TEAM / ORGANIZATION
   ============================================ */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.team-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  text-align: center;
  transition: all var(--transition);
}
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.team-photo {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--surface-2), var(--border));
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}
.team-photo img { width: 100%; height: 100%; object-fit: cover; }
.team-photo .placeholder {
  font-size: 5rem;
  color: var(--text-mute);
}
.team-info { padding: 1.4rem 1.2rem; }
.team-info h3 { margin-bottom: 0.2rem; font-size: 1.15rem; }
.team-info .designation {
  color: var(--green-2);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.7rem;
}
.team-info p { font-size: 0.9rem; }

.message-block {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}
.message-block::before {
  content: '"';
  position: absolute;
  top: -20px; right: 20px;
  font-family: 'Fraunces', serif;
  font-size: 12rem;
  line-height: 1;
  opacity: 0.08;
  color: var(--green-soft);
}
.message-block h3 { color: #fff; margin-bottom: 0.4rem; }
.message-block .signature { color: var(--green-soft); font-size: 0.85rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 1.5rem; }
.message-block p { color: rgba(255,255,255,0.85); margin-bottom: 1rem; position: relative; }

/* ============================================
   SERVICE / PRICING
   ============================================ */
.service-category {
  margin-bottom: 3rem;
}
.service-category h3 {
  font-size: 1.3rem;
  color: var(--navy);
  margin-bottom: 1.2rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--green);
  display: inline-block;
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.2rem;
}
.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  transition: all var(--transition);
}
.service-card:hover {
  border-color: var(--green);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.service-card h4 { color: var(--navy); font-size: 1.05rem; margin: 0; }
.service-card .desc { color: var(--text-soft); font-size: 0.9rem; flex: 1; }
.service-card .price {
  font-family: 'Fraunces', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--green-2);
}
.service-card .price-unit { color: var(--text-mute); font-size: 0.85rem; font-weight: 400; }
.service-card .members-badge {
  display: inline-block;
  background: rgba(21,41,75,0.08);
  color: var(--navy);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
}

/* ============================================
   FORMS
   ============================================ */
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  box-shadow: var(--shadow-sm);
}
.form-group {
  margin-bottom: 1.2rem;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.4rem;
}
.form-group label .req { color: #dc3545; }
.form-control,
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--surface);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(45,134,89,0.10);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
}
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin: 0.8rem 0;
  font-size: 0.92rem;
  color: var(--text-soft);
}
.form-check input { margin-top: 4px; }

/* Receipt sidebar (registration page) */
.receipt-card {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: sticky;
  top: 100px;
}
.receipt-card h3 { color: #fff; margin-bottom: 1rem; }
.receipt-card .line {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.85);
  font-size: 0.92rem;
}
.receipt-card .line.total {
  font-weight: 700;
  color: var(--green-soft);
  font-size: 1.15rem;
  border-bottom: none;
  border-top: 2px solid rgba(255,255,255,0.2);
  margin-top: 0.6rem;
  padding-top: 1rem;
}

/* ============================================
   FLASH MESSAGES
   ============================================ */
.flash {
  padding: 1rem 1.4rem;
  border-radius: 10px;
  margin: 1rem auto;
  max-width: 1200px;
  font-weight: 500;
  border-left: 4px solid;
}
.flash-success { background: #e6f7ee; color: #0f5c2a; border-color: #16a34a; }
.flash-error   { background: #fde7e9; color: #991b1f; border-color: #dc3545; }
.flash-info    { background: #e6efff; color: #1e3a8a; border-color: #2563eb; }
.flash-warning { background: #fff7e0; color: #856404; border-color: #f59e0b; }

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.85);
  padding: 4rem 0 1.5rem;
  margin-top: 5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
}
.footer-brand img {
  width: 40px;
  filter: brightness(0) invert(1);
}
.footer-brand h3 { color: #fff; font-size: 1.1rem; margin: 0; }
.footer-col p { color: rgba(255,255,255,0.7); font-size: 0.92rem; }
.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  font-weight: 700;
}
.footer-col ul { list-style: none; }
.footer-col ul li {
  margin-bottom: 0.5rem;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.7);
}
.footer-col ul a { color: rgba(255,255,255,0.7); }
.footer-col ul a:hover { color: var(--green-soft); }
.footer-contact i { color: var(--green-soft); margin-right: 0.6rem; width: 14px; }

.social-links { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.social-links a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 1rem;
  transition: all var(--transition);
}
.social-links a:hover {
  background: var(--green);
  transform: translateY(-3px);
  color: #fff;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.55);
  font-size: 0.85rem;
}
.footer-bottom p:first-child { margin-bottom: 0.3rem; }

/* ============================================
   ANIMATIONS — reveal on scroll
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { max-width: 360px; margin: 0 auto; }
  .vm-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.2rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .receipt-card { position: static; }
}
@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    inset: 70px 0 auto 0;
    flex-direction: column;
    background: #fff;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transform: translateY(-110%);
    transition: transform 280ms ease;
    align-items: flex-start;
    gap: 0.6rem;
    border-top: 1px solid var(--border);
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav a { padding: 0.6rem 0; width: 100%; }
  .btn-nav, .btn-nav-outline { width: 100%; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 3rem 0; }
  .hero { padding: 3rem 0 4rem; }
  .form-card { padding: 1.5rem; }
}

/* Legal links in footer bottom */
.footer-legal-links {
  margin: .6rem 0 !important;
  font-size: .85rem;
  opacity: .85;
}
.footer-legal-links a {
  color: inherit;
  text-decoration: none;
  margin: 0 .15rem;
}
.footer-legal-links a:hover {
  text-decoration: underline;
  opacity: 1;
}