/* style.css */

/* ============================================ */
/*              ROOT VARIABLES & SETUP          */
/* ============================================ */
:root {
  /* Tetradic Color Scheme (Professional & Bold) */
  --color-primary-dark: #303F9F;   /* Dark Indigo */
  --color-primary-light: #3F51B5;  /* Indigo */
  --color-secondary: #0097A7;     /* Cyan */
  --color-accent-warm: #FFA000;    /* Amber */
  --color-accent-hot: #C2185B;     /* Deep Pink */

  /* Neutrals (Based on Tailwind's palette) */
  --color-bg-dark: #111827;       /* gray-900 */
  --color-bg-medium: #1f2937;    /* gray-800 */
  --color-text-light: #d1d5db;     /* gray-300 */
  --color-text-heading: #ffffff;
  --color-text-muted: #9ca3af;     /* gray-400 */
  --color-white: #ffffff;
  --color-border: rgba(255, 255, 255, 0.18);

  /* Typography */
  --font-heading: 'Oswald', sans-serif;
  --font-body: 'Nunito', sans-serif;

  /* Effects */
  --glass-bg: rgba(63, 81, 181, 0.1);
  --glass-blur: 10px;
  --glass-border: 1px solid rgba(255, 255, 255, 0.18);
  --box-shadow-volume: 0 8px 24px 0 rgba(0, 0, 0, 0.3);
  --box-shadow-hover: 0 12px 32px 0 rgba(0, 0, 0, 0.4);
  --text-shadow: 1px 1px 3px rgba(0,0,0,0.6);

  /* Transitions */
  --transition-fast: all 0.2s ease-in-out;
  --transition-medium: all 0.4s ease-in-out;
}

/* ============================================ */
/*               GLOBAL STYLES                  */
/* ============================================ */
body {
  font-family: var(--font-body);
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text-heading);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--color-text-heading);
  text-shadow: var(--text-shadow);
}
@media (min-width: 768px) {
  .section-title {
    font-size: 3rem;
  }
}

.section-subtitle {
  font-size: 1.125rem;
  text-align: center;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
  color: var(--color-text-muted);
}

.text-shadow {
    text-shadow: var(--text-shadow);
}

.page-content {
    padding-top: 120px;
    padding-bottom: 80px;
}
.page-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}
.page-content h2 {
    font-size: 2rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}
.page-content p, .page-content li {
    line-height: 1.8;
    margin-bottom: 1rem;
    color: var(--color-text-light);
}

/* ============================================ */
/*              BUTTONS (GLOBAL)                */
/* ============================================ */
.cta-button, .nav-link-button {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 0.75rem 2rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.3s ease-in-out;
  background: linear-gradient(45deg, var(--color-primary-light), var(--color-secondary));
  color: var(--color-white);
  border: none;
  box-shadow: 0 4px 15px 0 rgba(0, 188, 212, 0.4);
  transform: translateY(0);
  text-decoration: none;
}

.cta-button:hover, .nav-link-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 7px 20px 0 rgba(0, 188, 212, 0.6);
  background: linear-gradient(45deg, var(--color-secondary), var(--color-primary-light));
  color: var(--color-white);
  cursor: pointer;
}

/* ============================================ */
/*                  HEADER                      */
/* ============================================ */
#header.scrolled {
  background-color: rgba(17, 24, 39, 0.8);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--box-shadow-volume);
}

.nav-link {
  position: relative;
  text-decoration: none;
  color: var(--color-white);
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: color 0.3s;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 50%;
  background-color: var(--color-secondary);
  transition: all 0.3s ease-in-out;
}

.nav-link:hover {
  color: var(--color-secondary);
}

.nav-link:hover::after {
  width: 100%;
  left: 0;
}

.nav-link-button {
  font-size: 0.875rem;
  padding: 0.5rem 1.5rem;
}

/* ============================================ */
/*                    HERO                      */
/* ============================================ */
.parallax-bg {
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
}

.glass-container {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-radius: 24px;
  border: var(--glass-border);
  box-shadow: var(--box-shadow-volume);
}

#hero h1 {
    color: var(--color-white);
}

/* ============================================ */
/*                 CARDS (GLOBAL)               */
/* ============================================ */
.card {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border-radius: 1rem;
  overflow: hidden;
  background: var(--glass-bg);
  border: var(--glass-border);
  box-shadow: var(--box-shadow-volume);
  transition: var(--transition-medium);
}
.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--box-shadow-hover);
}
.card .card-image {
  width: 100%;
  height: 220px;
  overflow: hidden;
}
.card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease-in-out;
}
.card:hover .card-image img {
  transform: scale(1.05);
}
.card .card-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.card .card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-white);
}
.card .card-text {
  flex-grow: 1;
}

.info-card {
    height: 100%;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    border-radius: 1rem;
    background: var(--color-bg-dark);
    border: 1px solid var(--color-border);
    transition: var(--transition-medium);
}
.info-card:hover {
    transform: scale(1.05);
    border-color: var(--color-secondary);
    box-shadow: 0 0 25px rgba(0, 151, 167, 0.3);
}
.info-card .card-icon {
    width: 5rem;
    height: 5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    background: linear-gradient(45deg, var(--color-primary-dark), var(--color-primary-light));
    color: var(--color-white);
    font-family: var(--font-heading);
    border: 2px solid var(--color-secondary);
}
.info-card .card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.info-card .card-text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ============================================ */
/*                   ACCORDION                  */
/* ============================================ */
.accordion-item {
  background: var(--color-bg-medium);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  overflow: hidden;
}
.accordion-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  padding: 1.5rem;
  cursor: pointer;
  color: var(--color-text-heading);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  transition: background-color 0.3s ease;
  background-color: transparent;
  border: none;
}
.accordion-header:hover {
  background-color: var(--color-primary-dark);
}
.accordion-icon {
  font-size: 1.5rem;
  color: var(--color-secondary);
  transition: transform 0.4s ease;
}
.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease-in-out, padding 0.5s ease-in-out;
}
.accordion-content p {
  padding: 0 1.5rem 1.5rem 1.5rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ============================================ */
/*                   CAROUSEL                   */
/* ============================================ */
.carousel-item {
  width: 100%;
  flex-shrink: 0;
  padding: 1rem;
}
@media (min-width: 768px) { .carousel-item { width: 50%; } }
@media (min-width: 1024px) { .carousel-item { width: 33.333%; } }

.carousel-control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 3rem;
  height: 3rem;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  cursor: pointer;
  background-color: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--color-border);
  transition: var(--transition-fast);
  z-index: 10;
}
.carousel-control:hover { background-color: var(--color-primary-light); }
.carousel-control.prev { left: -1rem; }
.carousel-control.next { right: -1rem; }

/* ============================================ */
/*                 EXTERNAL LINKS               */
/* ============================================ */
.resource-link {
    display: block;
    padding: 1.5rem;
    border-radius: 0.75rem;
    text-align: center;
    transition: var(--transition-medium);
    background-color: var(--color-bg-dark);
    border: 1px solid var(--color-border);
    text-decoration: none;
    color: var(--color-text-light);
}
.resource-link:hover {
    transform: translateY(-8px) scale(1.03);
    border-color: var(--color-accent-warm);
    box-shadow: 0 0 20px rgba(255, 160, 0, 0.3);
    color: var(--color-accent-warm);
}
.resource-link span {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    font-family: var(--font-heading);
}
.resource-link small {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ============================================ */
/*                 CONTACT FORM                 */
/* ============================================ */
#contact form {
    background: rgba(17, 24, 39, 0.6);
    padding: 2.5rem;
    border-radius: 1rem;
    backdrop-filter: blur(5px);
}
.form-group {
    position: relative;
}
.form-input {
    width: 100%;
    padding: 0.85rem 1rem;
    background-color: transparent;
    border: 2px solid var(--color-border);
    border-radius: 0.5rem;
    transition: border-color 0.3s ease;
    color: var(--color-white);
    outline: none;
}
.form-label {
    position: absolute;
    left: 1rem;
    top: 0.85rem;
    transition: all 0.3s ease;
    pointer-events: none;
    color: var(--color-text-muted);
}
.form-input:focus,
.form-input:not(:placeholder-shown) {
    border-color: var(--color-secondary);
}
.form-input:focus + .form-label,
.form-input:not(:placeholder-shown) + .form-label {
    font-size: 0.75rem;
    padding: 0 0.25rem;
    transform: translateY(-1.7rem);
    left: 0.75rem;
    background-color: #111c2e; /* Match form background */
    color: var(--color-secondary);
}

/* ============================================ */
/*                   FOOTER                     */
/* ============================================ */
.footer-link {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}
.footer-link:hover {
  color: var(--color-white);
}

/* ============================================ */
/*                 SUCCESS PAGE                 */
/* ============================================ */
.success-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1.5rem;
    background-color: var(--color-bg-dark);
}
.success-page h1 {
    color: var(--color-white);
    text-shadow: var(--text-shadow);
}
.success-page p {
    color: var(--color-text-light);
    max-width: 600px;
    margin-top: 1rem;
    margin-bottom: 2rem;
}