/* main styles */
body,
p,
span,
li,
a,
button,
input,
textarea {
  font-family: 'Host Grotesk', sans-serif !important;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Host Grotesk', sans-serif !important;
  font-weight: 500;
}
/* fonts */
@font-face {
  font-family: 'Host Grotesk';
  src: url('../fonts/HostGrotesk-Light.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Host Grotesk';
  src: url('../fonts/HostGrotesk-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Host Grotesk';
  src: url('../fonts/HostGrotesk-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Host Grotesk';
  src: url('../fonts/HostGrotesk-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Host Grotesk';
  src: url('/assets/fonts/HostGrotesk-SemiBold.woff2') format('woff2');
  font-weight: 600;
}
@font-face {
  font-family: 'Host Grotesk';
  src: url('/assets/fonts/HostGrotesk-ExtraBold.woff2') format('woff2');
  font-weight: 800;
}

/* ==============================
   Variables
   ============================== */
:root {
  /* Colors */
  --color-primary: #0a2472;
  --color-primary-hover: #051650;
  --color-accent: #E5B355;
  --color-bg: white;
  --color-surface: #f8f8f9;
  --color-surface-cr: #f4f6f8;
  --color-surface-alt: #CADEDE;
  --color-text: #00072d;
  --color-text-muted: #123499;
  --color-border: rgba(0, 7, 45, 0.1);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #123499, #0a2472);
  --gradient-accent: linear-gradient(135deg, var(--color-surface-cr), var(--color-surface-alt));

  /* Typography */
  --font-family-base: 'Host Grotesk', sans-serif;
  --header-font-size: 3.5rem;
  --paragraph-font-size: 1.8rem;

  /* Spacing Scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --section-padding: 100px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.25);

  /* Radius */
  --radius-4: 4px;
  --radius-8: 8px;
  --radius-12: 12px;
  --radius-16: 16px;
  --radius-24: 24px;

  /* Transitions */
  --transition-1: 0.25s ease-in-out;
  --transition-2: 0.5s ease-in-out;
  --transition-3: 1s ease-in-out;
}

/* ==============================
   Global Reset & Base
   ============================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  font-size: 10px;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family-base);
  font-size: 1.6rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}
li { list-style: none; }
a {
  text-decoration: none;
  color: inherit;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
button {
  background: none;
  border: none;
  font: inherit;
  cursor: pointer;
}
address { font-style: normal; }
table { border-collapse: collapse; width: 100%; }

/* ==============================
   RESPONSIVE TYPOGRAPHY & SPACING
   ============================== */
@media (max-width: 1200px) {
  :root {
    --section-padding: 80px;
    --header-font-size: 3.2rem;
  }
}
@media (max-width: 992px) {
  :root {
    --section-padding: 70px;
  }
  html { font-size: 9.5px; }
}
@media (max-width: 768px) {
  :root {
    --section-padding: 60px;
  }
  html { font-size: 9px; }
}
@media (max-width: 576px) {
  :root {
    --section-padding: 50px;
  }
  html { font-size: 8.5px; }
}

/* slider fix */
.portfolio {
  position: relative;
  min-height: 100vh;
}
.portfolio .swiper {
  height: 100vh;
}
.portfolio .swiper-wrapper,
.portfolio .swiper-slide {
  height: 100%;
}
.portfolio__item {
  min-height: 100vh;
  display: flex;
  align-items: center;
}
main {
  overflow: visible !important;
}

/* Header variations remain unchanged (assumed handled elsewhere) */

/* --- first feature-section (NIIT Intro) --- */
.niit-intro {
  padding: var(--section-padding) 0;
  background: var(--color-bg);
  color: var(--color-text);
}

/* Top Section Layout */
.niit-intro__top {
  display: flex;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
  align-items: flex-start;
  flex-wrap: wrap;
}
.niit-intro__left,
.niit-intro__right {
  flex: 1 1 300px;
}
.niit-intro__left h2 {
  font-size: 3.5rem;
  line-height: 1.1;
  font-weight: 500;
  color: var(--color-text);
  width: 100%;
}
.niit-intro__right p {
  color: var(--color-text);
  margin-bottom: var(--space-md);
  line-height: 1.6;
  font-size: 2rem;
}
.btn-dark {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  padding: 12px 24px;
  text-decoration: none;
  border-radius: var(--radius-8);
  font-size: 1.5rem;
}
.btn-dark:hover {
  background: var(--color-text);
  transition: background var(--transition-1);
}

/* Card Layout */
.niit-intro__cards {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}
.niit-card {
  flex: 1 1 300px;
  padding: var(--space-xl);
  border-radius: var(--radius-4);
  display: flex;
  flex-direction: column;
}
.niit-card h3 {
  font-size: 2rem;
  margin-bottom: var(--space-md);
  font-weight: 500;
  color: var(--color-text);
}
.card-divider,
.card-divider-highlight {
  width: 100%;
  height: 1px;
  background-color: rgba(0,0,0, 0.1);
  margin-bottom: var(--space-md);
}
.card-divider-highlight {
  background-color: var(--color-surface);
}
.niit-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.niit-card ul li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: var(--space-sm);
  font-size: 1.5rem;
  line-height: 1.5;
}
.niit-card ul li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: currentColor;
  font-weight: bold;
}
.niit-card--muted {
  background: var(--color-surface);
}
.niit-card--highlight {
  background: var(--color-primary);
  color: var(--color-surface);
}
.niit-card--highlight .header--3 {
  color: var(--color-surface);
}

/* Tools Carousel */
.niit-tools {
  padding: 80px 0;
  background: var(--color-bg);
}
.niit-tools__title {
  text-align: center;
  font-size: var(--header-font-size);
  font-weight: 500;
  margin-bottom: 40px;
  color: var(--color-text-muted);
}
.niit-tools__slider-wrapper {
  position: relative;
  overflow: hidden;
}
.niit-tools__slider-wrapper::before,
.niit-tools__slider-wrapper::after {
  content: "";
  position: absolute;
  top: 0;
  width: 120px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}
.niit-tools__slider-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--color-bg), transparent);
}
.niit-tools__slider-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--color-bg), transparent);
}
.niit-tools-slider .swiper-slide {
  width: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
}
.niit-tools-slider img {
  height: 50px;
  opacity: 0.85;
  transition: opacity 0.3s ease;
}
.niit-tools-slider img:hover {
  opacity: 1;
}

/* NIIT Impact Section */
.niit-impact {
  position: relative;
  padding: 140px 0;
  background: url("../../assets/images/background/background1.png") center/cover no-repeat;
  color: #fff;
}
.niit-impact__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1;
}
.niit-impact .container {
  position: relative;
  z-index: 2;
}
.niit-impact__grid {
  display: flex;
  gap: 80px;
  align-items: flex-start;
  flex-wrap: wrap;
}
.niit-impact__content {
  flex: 1 1 400px;
  max-width: 720px;
}
.niit-impact__label {
  display: block;
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  opacity: 0.85;
}
.niit-impact__content h2 {
  font-size: 4rem;
  line-height: 1.15;
  margin-bottom: var(--space-md);
  font-weight: 500;
}
.niit-impact__content p {
  font-size: var(--paragraph-font-size);
  line-height: 1.7;
  opacity: 0.9;
  color: var(--color-surface);
}
.niit-impact__stats {
  flex: 1 1 300px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-left: auto;
}
.impact-card {
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 16px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.impact-card h3 {
  font-size: 4.2rem;
  font-weight: 500;
  margin: 0;
}
.impact-card::after {
  content: "";
  height: 1px;
  background: rgba(255, 255, 255, 0.35);
  margin: 12px 0;
}
.impact-card span {
  font-size: 1.4rem;
  opacity: 0.85;
  line-height: 1.5;
}

/* Courses Section */
.niit-courses {
  padding: var(--section-padding) 0;
  background: var(--color-bg);
}
.niit-courses__title {
  font-size: 3.6rem;
  font-weight: 500;
  margin-bottom: var(--space-xl);
  color: var(--color-primary);
  text-align: center;
}
.niit-courses__grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
  margin-bottom: 7rem;
}
@media (min-width: 992px) {
  .niit-courses__grid {
    display: grid;
    grid-template-columns: 1.2fr 0.9fr;
    gap: 80px;
    align-items: center;
  }
}
.niit-courses__media {
  background: #f2f2f2;
  border-radius: 12px;
  overflow: hidden;
  height: 100%;
  aspect-ratio: 16 / 10;
}
.niit-courses__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.9;
  transition: 0.3s all ease-in-out;
}
.niit-courses__media img:hover {
  opacity: 1;
}
.niit-courses__content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}
.niit-courses__content h3 {
  font-size: 3.2rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}
.niit-courses__content p {
  font-size: var(--paragraph-font-size);
  color: var(--color-text-muted);
  margin-bottom: 32px;
}
.niit-courses__divider {
  width: 100%;
  height: 1px;
  background: rgba(0, 0, 0, 0.12);
  margin-bottom: 32px;
}
.niit-courses__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 32px;
}
.niit-courses__meta div strong {
  display: block;
  font-size: 2.5rem;
  color: var(--color-text);
  margin-bottom: 1rem;
}
.niit-courses__meta div span {
  font-size: 1.2rem;
  color: var(--color-text-muted);
}
.niit-courses__link {
  font-size: 1.5rem;
  color: var(--color-text);
  text-decoration: none;
  transition: all 0.3s ease-in-out;
}
.niit-courses__link:hover {
  text-decoration: underline;
}

/* FAQ Section */
.niit-faq {
  padding: 140px 0;
  background: var(--color-surface);
  color: var(--color-text);
}
.niit-faq__header {
  text-align: center;
  margin-bottom: 60px;
}
.niit-faq__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 16px;
}
.niit-faq__header h2 {
  font-size: var(--header-font-size);
  font-weight: 500;
  color: var(--color-text);
}
.niit-faq__list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  border-radius: 16px;
  margin-bottom: 16px;
  overflow: hidden;
  background: rgba(255, 255, 255, 1);
  transition: background 0.3s ease;
}
.faq-question {
  width: 100%;
  padding: 28px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text);
  font-size: 1.7rem;
  cursor: pointer;
}
.faq-question i {
  font-size: 2rem;
  transition: transform 0.3s ease;
}
.faq-item.active .faq-question i {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.6s ease, opacity 0.4s ease;
  opacity: 0;
}
.faq-item.active .faq-answer {
  max-height: 500px; /* increased for mobile safety */
  opacity: 1;
}
.faq-answer p {
  padding: 0 32px 28px;
  font-size: var(--paragraph-font-size);
  color: var(--color-text);
  line-height: 1.6;
}

/* CTA Section */
.niit-cta {
  position: relative;
  min-height: 70vh;
  padding: var(--section-padding) 0;
  background: url("../../assets/images/background/cta1.jpg") center/cover no-repeat;
  color: var(--color-surface);
  display: flex;
  align-items: center;
  text-align: center;
  overflow: hidden;
}
.niit-cta__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 1;
}
.niit-cta .container {
  position: relative;
  z-index: 2;
}
.niit-cta__content {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.niit-cta__content h2 {
  font-size: 4.2rem;
  font-weight: 500;
  line-height: 1.15;
  color: var(--color-surface);
}
.niit-cta__content p {
  font-size: 1.8rem;
  line-height: 1.7;
  opacity: 0.9;
}

/* Footer */
.static-footer {
  background-color: var(--color-text);
  color: var(--color-surface);
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-column h4 {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-surface);
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}
.footer-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.footer-column a {
  color: rgb(182, 182, 182);
  text-decoration: none;
  font-size: 1.4rem;
  transition: all color 0.3s ease;
  opacity: 0.6;
}
.footer-column a:hover {
  color: var(--color-surface-alt);
  opacity: 1;
}
.footer-bottom-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  padding: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-12);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
}
@supports (backdrop-filter: blur(12px)) {
  .footer-bottom-row {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
}
.footer-newsletter {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  max-width: 300px;
}
@media (min-width: 768px) {
  .footer-newsletter {
    flex-direction: row;
  }
}
.footer-newsletter input {
  padding: 1rem 1.2rem;
  border-radius: var(--radius-8);
  border: none;
  font-size: 1.4rem;
  outline: none;
  flex: 1;
}
.footer-newsletter button {
  padding: 1rem 1.2rem;
  border-radius: var(--radius-8);
  background: var(--color-surface);
  color: var(--color-text);
  font-weight: 600;
  font-size: 1.4rem;
  transition: var(--transition-1);
}
.footer-newsletter button:hover {
  opacity: 0.85;
}
.footer-copyright {
  text-align: center;
  font-size: 1.4rem;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
  width: 100%;
}
@media (min-width: 768px) {
  .footer-copyright {
    text-align: right;
    width: auto;
  }
}

/* Diploma Hero & Split */
.diploma-hero {
  position: relative;
  min-height: 100vh;
  background: url("../../assets/images/background/diplomabg.avif") center/cover no-repeat;
  display: flex;
  align-items: center;
}
.diploma-hero__content h1 {
  font-size: clamp(4.5rem, 8vw, 7rem);
}
.diploma-split {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
@media (min-width: 992px) {
  .diploma-split {
    flex-direction: row;
  }
}
.diploma-split__item {
  position: relative;
  flex: 1;
  display: flex;
  align-items: flex-end;
  padding: var(--space-2xl);
  color: var(--color-surface);
  text-decoration: none;
  overflow: hidden;
  transition: transform var(--transition-2);
}
.diploma-split__item.right {
  justify-content: flex-end;
  text-align: right;
}
.diploma-split__content {
  max-width: 100%;
}
@media (min-width: 992px) {
  .diploma-split__content {
    max-width: 420px;
  }
}

/* Course Intro & Details */
.course-title {
  font-size: clamp(4rem, 8vw, 5.2rem);
  text-align: center;
}
.course-details__grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
@media (min-width: 992px) {
  .course-details__grid {
    grid-template-columns: 0.7fr 1.3fr;
    display: grid;
    gap: 60px;
  }
}
.course-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
}

/* About Sections */
.about-intro__grid,
.about-awards__grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
@media (min-width: 992px) {
  .about-intro__grid {
    grid-template-columns: 1.1fr 1fr;
    display: grid;
    gap: 80px;
  }
  .about-awards__grid {
    grid-template-columns: 0.9fr 1.1fr;
    display: grid;
    gap: 80px;
  }
}
.about-awards__cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 28px;
}
.about-leadership__grid,
.about-team__leadership {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 768px) {
  .about-leadership__grid,
  .about-team__leadership {
    grid-template-columns: repeat(2, 1fr);
  }
}
.about-team__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
}

/* Contact */
.contact-grid,
.contact-support__grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
@media (min-width: 992px) {
  .contact-grid {
    grid-template-columns: 1.1fr 0.9fr;
    display: grid;
    gap: 80px;
  }
  .contact-support__grid {
    grid-template-columns: 1.2fr 0.8fr;
    display: grid;
    gap: 60px;
  }
}

/* Modal – already mostly responsive, minor tweaks */
.course-modal__panel {
  max-width: 90vw;
  max-height: 90vh;
  margin: 5vh auto;
  padding: 40px 32px;
}
@media (min-width: 992px) {
  .course-modal__panel {
    max-width: 880px;
    padding: 48px 52px;
  }
}

/* General Mobile Adjustments */
@media (max-width: 768px) {
  .niit-impact__grid,
  .niit-intro__top,
  .footer-bottom-row {
    flex-direction: column;
    text-align: center;
  }
  .niit-impact__stats {
    width: 100%;
    margin-left: 0;
  }
  h1, h2 { line-height: 1.2; }
}