/* ===================================================
   Krishnayan Leadership Training — Design System
   =================================================== */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:wght@500;600;700&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors */
  --deep-blue: #0A1F44;
  --royal-gold: #C9A227;
  --gold-light: #e0c76a;
  --white: #ffffff;
  --off-white: #f7f8fa;
  --light-gray: #eef1f5;
  --mid-gray: #64748b;
  --dark-text: #1e293b;

  /* Typography */
  --font-body: 'Inter', sans-serif;
  --font-heading: 'Playfair Display', serif;

  /* Spacing */
  --section-py: 100px;
  --container-width: 1200px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(10, 31, 68, .06);
  --shadow-md: 0 6px 24px rgba(10, 31, 68, .08);
  --shadow-lg: 0 12px 48px rgba(10, 31, 68, .12);

  /* Transitions */
  --ease: cubic-bezier(.4, 0, .2, 1);
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0
}

html {
  scroll-behavior: smooth;
  font-size: 16px
}

body {
  font-family: var(--font-body);
  color: var(--dark-text);
  line-height: 1.7;
  background: var(--white);
  overflow-x: hidden
}

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

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

ul {
  list-style: none
}

button,
input,
textarea {
  font-family: inherit;
  font-size: inherit
}

/* ---------- Utilities ---------- */
.container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto
}

.section {
  padding: var(--section-py) 0
}

.section--gray {
  background: var(--light-gray)
}

.section--blue {
  background: var(--deep-blue);
  color: var(--white)
}

.text-center {
  text-align: center
}

.section-label {
  display: inline-block;
  font-size: .8rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--royal-gold);
  font-weight: 600;
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 18px;
  color: var(--deep-blue);
}

.section--blue .section-title {
  color: var(--white)
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--mid-gray);
  max-width: 640px;
  margin: 0 auto 50px;
  line-height: 1.75;
}

.section--blue .section-subtitle {
  color: rgba(255, 255, 255, .7)
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 34px;
  border-radius: 50px;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  border: none;
  transition: all .35s var(--ease);
  letter-spacing: .3px;
}

.btn--primary {
  background: var(--royal-gold);
  color: var(--deep-blue);
  box-shadow: 0 4px 16px rgba(201, 162, 39, .35);
}

.btn--primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(201, 162, 39, .4);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, .5);
}

.btn--outline:hover {
  border-color: var(--royal-gold);
  color: var(--royal-gold);
  transform: translateY(-2px);
}

.btn--outline-dark {
  background: transparent;
  color: var(--deep-blue);
  border: 2px solid var(--deep-blue);
}

.btn--outline-dark:hover {
  background: var(--deep-blue);
  color: var(--white);
  transform: translateY(-2px);
}

.btn--small {
  padding: 10px 24px;
  font-size: .85rem
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 31, 68, .95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: box-shadow .3s var(--ease);
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, .25)
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.header__logo {
  display: flex;
  align-items: center;
  margin-right: 40px;
  flex-shrink: 0;
}

.header__logo img {
  height: 58px;
  width: auto;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, .35));
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 32px
}

.header__nav a {
  color: rgba(255, 255, 255, .8);
  font-size: .9rem;
  font-weight: 500;
  position: relative;
  transition: color .3s;
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--royal-gold);
  transition: width .3s var(--ease);
}

.header__nav a:hover,
.header__nav a.active {
  color: var(--royal-gold)
}

.header__nav a:hover::after,
.header__nav a.active::after {
  width: 100%
}

.header__cta {
  margin-left: 12px;
  padding: 10px 26px;
  border-radius: 50px;
  background: var(--royal-gold);
  color: var(--deep-blue);
  font-weight: 600;
  font-size: .85rem;
  transition: all .3s var(--ease);
}

.header__cta:hover {
  background: var(--gold-light);
  transform: translateY(-1px)
}

.header__cta,
.header__cta:hover,
.header__cta.active {
  color: var(--deep-blue) !important
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 6px
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--white);
  border-radius: 4px;
  transition: all .3s var(--ease)
}

.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px)
}

.hamburger.open span:nth-child(2) {
  opacity: 0
}

.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px)
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0A1F44 0%, #122b5e 50%, #0e2450 100%);
  overflow: hidden;
  padding-top: 94px;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(201, 162, 39, .12) 0%, transparent 50%),
    radial-gradient(circle at 80% 30%, rgba(201, 162, 39, .08) 0%, transparent 45%);
}

.hero__particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero__particles span {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(201, 162, 39, .25);
  animation: float-up linear infinite;
}

@keyframes float-up {
  0% {
    transform: translateY(100vh) scale(0);
    opacity: 0
  }

  25% {
    opacity: 1
  }

  100% {
    transform: translateY(-10vh) scale(1);
    opacity: 0
  }
}

.hero .container {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 60px 0
}

.hero__label {
  display: inline-block;
  padding: 8px 22px;
  border-radius: 50px;
  background: rgba(201, 162, 39, .12);
  border: 1px solid rgba(201, 162, 39, .25);
  color: var(--royal-gold);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: 3.8rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.18;
  margin-bottom: 22px;
  max-width: 800px;
  margin-inline: auto;
}

.hero__title span {
  color: var(--royal-gold)
}

.hero__subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, .7);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero__btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap
}

/* ---------- Cards ---------- */
.card {
  background: var(--white);
  border-radius: 16px;
  padding: 40px 32px;
  box-shadow: var(--shadow-sm);
  transition: all .4s var(--ease);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--royal-gold), var(--deep-blue));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s var(--ease);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.card:hover::before {
  transform: scaleX(1)
}

.card__icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(201, 162, 39, .1), rgba(10, 31, 68, .06));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  font-size: 1.7rem;
  color: var(--royal-gold);
}

.card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--deep-blue);
}

.card__text {
  font-size: .92rem;
  color: var(--mid-gray);
  line-height: 1.7
}

/* Grid layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px
}

/* ---------- About Summary ---------- */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center
}

.about-split__img {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.about-split__img img {
  width: 100%;
  height: 100%;
  object-fit: cover
}

.about-split__badge {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: var(--royal-gold);
  color: var(--deep-blue);
  padding: 20px 28px;
  border-radius: 16px;
  font-weight: 700;
  font-size: 1.5rem;
  box-shadow: var(--shadow-md);
  line-height: 1.2;
}

.about-split__badge small {
  display: block;
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase
}

/* ---------- Why Choose Us ---------- */
.feature {
  display: flex;
  gap: 20px;
  padding: 24px 0
}

.feature__icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(201, 162, 39, .1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--royal-gold);
}

.feature__title {
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 1.05rem;
  color: var(--deep-blue)
}

.feature__text {
  font-size: .9rem;
  color: var(--mid-gray);
  line-height: 1.7
}

/* ---------- Testimonials ---------- */
.testimonial-slider {
  position: relative;
  overflow: hidden
}

.testimonial-track {
  display: flex;
  transition: transform .5s var(--ease)
}

.testimonial {
  min-width: 100%;
  padding: 0 5%;
}

.testimonial__card {
  background: var(--white);
  border-radius: 20px;
  padding: 48px 40px;
  box-shadow: var(--shadow-md);
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.testimonial__stars {
  color: var(--royal-gold);
  font-size: 1.2rem;
  margin-bottom: 18px;
  letter-spacing: 4px
}

.testimonial__text {
  font-size: 1.1rem;
  line-height: 1.85;
  color: var(--dark-text);
  font-style: italic;
  margin-bottom: 26px;
}

.testimonial__author {
  font-weight: 600;
  color: var(--deep-blue)
}

.testimonial__role {
  font-size: .85rem;
  color: var(--mid-gray)
}

.slider-dots {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 32px
}

.slider-dots button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: rgba(10, 31, 68, .15);
  transition: all .3s;
}

.slider-dots button.active {
  background: var(--royal-gold);
  transform: scale(1.2)
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, #0A1F44, #142e5c);
  text-align: center;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(201, 162, 39, .08), transparent 60%);
}

.cta-banner .container {
  position: relative;
  z-index: 2
}

.cta-banner__title {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.cta-banner__text {
  color: rgba(255, 255, 255, .7);
  margin-bottom: 32px;
  font-size: 1.05rem
}

/* ---------- Footer ---------- */
.footer {
  background: var(--deep-blue);
  color: rgba(255, 255, 255, .65);
  padding: 70px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.footer__brand img {
  height: 44px;
  margin-bottom: 18px
}

.footer__brand p {
  font-size: .9rem;
  line-height: 1.8;
  max-width: 300px
}

.footer__heading {
  font-weight: 600;
  color: var(--white);
  margin-bottom: 18px;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: .85rem;
}

.footer__links li {
  margin-bottom: 10px
}

.footer__links a {
  font-size: .9rem;
  transition: color .3s
}

.footer__links a:hover {
  color: var(--royal-gold)
}

.footer__contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  font-size: .9rem;
}

.footer__contact li svg {
  flex-shrink: 0;
  margin-top: 4px;
  color: var(--royal-gold)
}

.footer__social {
  display: flex;
  gap: 12px;
  margin-top: 16px
}

.footer__social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .06);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s var(--ease);
}

.footer__social a:hover {
  background: var(--royal-gold);
  color: var(--deep-blue)
}

.footer__social a svg {
  width: 18px;
  height: 18px
}

.footer__bottom {
  text-align: center;
  padding: 24px 0;
  font-size: .82rem;
  color: rgba(255, 255, 255, .4);
}

/* ---------- Page Banner (inner pages) ---------- */
.page-banner {
  padding: 170px 0 80px;
  text-align: center;
  background: linear-gradient(135deg, #0A1F44, #122b5e);
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 40%, rgba(201, 162, 39, .1), transparent 55%);
}

.page-banner .container {
  position: relative;
  z-index: 2
}

.page-banner__title {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.page-banner__breadcrumb {
  color: rgba(255, 255, 255, .5);
  font-size: .9rem
}

.page-banner__breadcrumb a {
  color: var(--royal-gold);
  transition: color .3s
}

.page-banner__breadcrumb a:hover {
  color: var(--gold-light)
}

/* ---------- Vision / Mission ---------- */
.vm-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px
}

.vm-card {
  padding: 44px;
  border-radius: 20px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--royal-gold);
  transition: all .4s var(--ease);
}

.vm-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px)
}

.vm-card__icon {
  font-size: 2rem;
  margin-bottom: 16px
}

.vm-card__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--deep-blue);
  margin-bottom: 14px;
}

.vm-card__text {
  font-size: .95rem;
  color: var(--mid-gray);
  line-height: 1.8
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start
}

.contact-form {
  background: var(--white);
  padding: 44px;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 22px
}

.form-group label {
  display: block;
  font-weight: 500;
  font-size: .9rem;
  margin-bottom: 8px;
  color: var(--deep-blue)
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--light-gray);
  border-radius: 12px;
  font-size: .95rem;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
  background: var(--off-white);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--royal-gold);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, .1);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px
}

.contact-info__card {
  background: var(--white);
  padding: 28px 32px;
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: all .3s var(--ease);
}

.contact-info__card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px)
}

.contact-info__icon {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(201, 162, 39, .1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--royal-gold);
}

.contact-info__title {
  font-weight: 600;
  color: var(--deep-blue);
  margin-bottom: 4px
}

.contact-info__text {
  font-size: .9rem;
  color: var(--mid-gray);
  line-height: 1.6
}

.map-placeholder {
  width: 100%;
  height: 300px;
  border-radius: 16px;
  overflow: hidden;
  margin-top: 24px;
  box-shadow: var(--shadow-sm);
}

.map-placeholder iframe {
  width: 100%;
  height: 100%;
  border: none
}

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center
}

.stat__number {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--royal-gold);
  line-height: 1;
  margin-bottom: 6px;
}

.stat__label {
  font-size: .85rem;
  color: rgba(255, 255, 255, .6);
  text-transform: uppercase;
  letter-spacing: 1px
}

/* ---------- Scroll Animations ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0)
}

/* ---------- Responsive ---------- */
@media(max-width:1024px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr)
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr)
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr
  }

  .hero__title {
    font-size: 3rem
  }

  .section-title {
    font-size: 2.2rem
  }

  .about-split {
    gap: 40px
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px
  }
}

@media(max-width:768px) {
  :root {
    --section-py: 70px
  }

  .hamburger {
    display: flex
  }

  .header__nav {
    position: fixed;
    top: 94px;
    left: 0;
    width: 100%;
    background: rgba(10, 31, 68, .98);
    flex-direction: column;
    gap: 0;
    padding: 20px 0;
    transform: translateY(-120%);
    transition: transform .35s var(--ease);
    box-shadow: 0 10px 30px rgba(0, 0, 0, .3);
  }

  .header__nav.open {
    transform: translateY(0)
  }

  .header__nav a {
    padding: 14px 24px;
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, .05)
  }

  .header__cta {
    margin: 16px 24px 0;
    text-align: center;
    display: block
  }

  .hero__title {
    font-size: 2.2rem
  }

  .hero__subtitle {
    font-size: 1rem
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .about-split,
  .vm-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr
  }

  .page-banner__title {
    font-size: 2rem
  }

  .page-banner {
    padding: 145px 0 60px
  }

  .section-title {
    font-size: 1.8rem
  }

  .testimonial__card {
    padding: 32px 24px
  }

  .cta-banner__title {
    font-size: 1.8rem
  }

  .about-split__badge {
    position: static;
    display: inline-block;
    margin-top: 16px
  }

  .stats {
    grid-template-columns: 1fr 1fr
  }
}

@media(max-width:480px) {
  .hero__title {
    font-size: 1.8rem
  }

  .hero__btns {
    flex-direction: column;
    align-items: center
  }

  .btn {
    width: 100%;
    justify-content: center
  }

  .card {
    padding: 28px 22px
  }

  .stats {
    grid-template-columns: 1fr
  }
}