/* Crystalogy Institute - Modern Academic Styling */

/* CSS Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Modern Font Imports */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:wght@400;500;600;700&family=JetBrains+Mono:wght@300;400;500&display=swap");

/* CSS Custom Properties - Color Palette */
:root {
  --sapphire-deep: #1b365d;
  --quartz-light: #e8e6e1;
  --silver-grey: #b8bdc6;
  --emerald-accent: #00796b;
  --marble-white: #ffffff;
  --shadow-soft: rgba(27, 54, 93, 0.1);
  --shadow-medium: rgba(27, 54, 93, 0.15);
  --shadow-strong: rgba(27, 54, 93, 0.25);
  --gradient-primary: linear-gradient(
    135deg,
    var(--sapphire-deep) 0%,
    var(--emerald-accent) 100%
  );
  --gradient-secondary: linear-gradient(
    45deg,
    var(--quartz-light) 0%,
    var(--marble-white) 100%
  );
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 20px;
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Global Typography */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
  color: var(--sapphire-deep);
  background-color: var(--marble-white);
  font-weight: 400;
  overflow-x: hidden;
}

/* Modern Typography Scale */
.crystal-heading-primary {
  font-family: "Playfair Display", serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.5rem;
}

.crystal-heading-secondary {
  font-family: "Playfair Display", serif;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 500;
  line-height: 1.2;
  color: var(--sapphire-deep);
  margin-bottom: 1rem;
}

.crystal-heading-tertiary {
  font-family: "Inter", sans-serif;
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  font-weight: 600;
  color: var(--emerald-accent);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.crystal-text-body {
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  line-height: 1.7;
  color: var(--sapphire-deep);
  opacity: 0.8;
}

.crystal-text-accent {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  color: var(--emerald-accent);
  font-weight: 500;
}

/* Modern Button System */
.crystal-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border: none;
  border-radius: var(--border-radius-md);
  font-family: "Inter", sans-serif;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
  min-height: 48px;
  letter-spacing: 0.01em;
}

.crystal-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left var(--transition-slow);
}

.crystal-btn:hover::before {
  left: 100%;
}

.crystal-btn-primary {
  background: var(--gradient-primary);
  color: var(--marble-white);
  box-shadow: 0 4px 15px var(--shadow-medium);
}

.crystal-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow-strong);
}

.crystal-btn-secondary {
  background: var(--marble-white);
  color: var(--sapphire-deep);
  border: 2px solid var(--silver-grey);
}

.crystal-btn-secondary:hover {
  background: var(--quartz-light);
  border-color: var(--emerald-accent);
  color: var(--emerald-accent);
}

.crystal-btn-ghost {
  background: transparent;
  color: var(--emerald-accent);
  border: 1px solid var(--emerald-accent);
}

.crystal-btn-ghost:hover {
  background: var(--emerald-accent);
  color: var(--marble-white);
}

/* Header Navigation */
.crystal-header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 0;
  border-bottom: 1px solid rgba(184, 189, 198, 0.2);
  transition: all var(--transition-medium);
}

.crystal-header.scrolled {
  box-shadow: 0 2px 20px var(--shadow-soft);
}

.crystal-navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.crystal-logo {
  font-family: "Playfair Display", serif;
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--sapphire-deep);
  text-decoration: none;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: color var(--transition-fast);
}

.crystal-logo:hover {
  color: var(--emerald-accent);
}

.crystal-logo-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.crystal-nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.crystal-nav-link {
  color: var(--sapphire-deep);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  position: relative;
  transition: color var(--transition-fast);
}

.crystal-nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--emerald-accent);
  transition: width var(--transition-medium);
}

.crystal-nav-link:hover {
  color: var(--emerald-accent);
}

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

.crystal-nav-link.active {
  color: var(--emerald-accent);
}

.crystal-nav-link.active::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.crystal-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 1rem;
  margin: 0;
  border-radius: var(--border-radius-sm);
  transition: background var(--transition-fast);
  min-width: 48px;
  min-height: 48px;
  align-items: center;
  justify-content: center;
}

.crystal-mobile-toggle:hover {
  background: rgba(0, 121, 107, 0.05);
}

.crystal-mobile-toggle:active {
  background: rgba(0, 121, 107, 0.1);
}

.crystal-hamburger {
  width: 25px;
  height: 3px;
  background: var(--sapphire-deep);
  position: relative;
  transition: all var(--transition-medium);
}

.crystal-hamburger::before,
.crystal-hamburger::after {
  content: "";
  position: absolute;
  width: 25px;
  height: 3px;
  background: var(--sapphire-deep);
  transition: all var(--transition-medium);
}

.crystal-hamburger::before {
  top: -8px;
}

.crystal-hamburger::after {
  bottom: -8px;
}

/* Hero Section */
.crystal-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
    url(../images/crystalogyinstitute2.jpg) no-repeat center center/cover;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.crystal-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(
      circle at 20% 50%,
      rgba(0, 121, 107, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(27, 54, 93, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 40% 80%,
      rgba(184, 189, 198, 0.1) 0%,
      transparent 50%
    );
  pointer-events: none;
}

.crystal-hero-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.crystal-hero-decoration {
  position: absolute;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  width: 200px;
  height: 200px;
  opacity: 0.15;
  pointer-events: none;
  animation: crystalFloat 6s ease-in-out infinite;
}

.crystal-hero-icon {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 4px 8px rgba(27, 54, 93, 0.2));
}

@keyframes crystalFloat {
  0%,
  100% {
    transform: translateY(-50%) rotate(0deg);
  }
  50% {
    transform: translateY(-55%) rotate(5deg);
  }
}

.crystal-hero-text {
  animation: fadeInUp 1s ease;
}

.crystal-hero-visual {
  position: relative;
  animation: fadeInRight 1s ease 0.3s both;
}

.crystal-hero-image {
  width: 100%;
  height: 400px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--marble-white);
  font-size: 1.2rem;
  position: relative;
  overflow: hidden;
}

.crystal-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
}

.crystal-hero-image::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 200px;
  background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4));
  transform: translate(-50%, -50%) rotate(45deg);
  border-radius: var(--border-radius-md);
  z-index: -1;
}

/* Content Sections */
.crystal-section {
  padding: 5rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.crystal-section-alt {
  background: var(--quartz-light);
}

.crystal-grid {
  display: grid;
  gap: 2rem;
  margin-top: 3rem;
}

.crystal-grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.crystal-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.crystal-grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

/* Card Components */
.crystal-card {
  background: var(--marble-white);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: 0 4px 20px var(--shadow-soft);
  transition: all var(--transition-medium);
  border: 1px solid rgba(184, 189, 198, 0.2);
  text-align: center;
}

.crystal-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px var(--shadow-medium);
}

.crystal-card-icon {
  width: 80px;
  height: 80px;
  background: transparent;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem auto;
  color: var(--emerald-accent);
  font-size: 1.5rem;
}

.crystal-card-icon-image {
  width: 60px;
  height: 60px;
  filter: drop-shadow(0 2px 4px rgba(0, 121, 107, 0.2));
}

/* Form Styles */
.crystal-form {
  background: var(--marble-white);
  padding: 2.5rem;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 8px 30px var(--shadow-soft);
  max-width: 600px;
  margin: 0 auto;
}

.crystal-form-group {
  margin-bottom: 1.5rem;
}

.crystal-form-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--sapphire-deep);
  font-weight: 500;
  font-size: 0.95rem;
}

.crystal-form-input,
.crystal-form-textarea,
.crystal-form-select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--silver-grey);
  border-radius: var(--border-radius-md);
  font-family: "Inter", sans-serif;
  font-size: 1rem;
  transition: all var(--transition-fast);
  background: var(--marble-white);
  color: var(--sapphire-deep);
}

.crystal-form-input:focus,
.crystal-form-textarea:focus,
.crystal-form-select:focus {
  outline: none;
  border-color: var(--emerald-accent);
  box-shadow: 0 0 0 3px rgba(0, 121, 107, 0.1);
}

.crystal-form-textarea {
  resize: vertical;
  min-height: 120px;
}

.crystal-form-error {
  color: #e74c3c;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: none;
}

.crystal-form-input.error,
.crystal-form-textarea.error,
.crystal-form-select.error {
  border-color: #e74c3c;
}

.crystal-form-input.error + .crystal-form-error,
.crystal-form-textarea.error + .crystal-form-error,
.crystal-form-select.error + .crystal-form-error {
  display: block;
}

/* Footer */
.crystal-footer {
  background: var(--sapphire-deep);
  color: var(--marble-white);
  padding: 3rem 2rem 1rem;
  margin-top: 5rem;
}

.crystal-footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.crystal-footer-section h3 {
  color: var(--emerald-accent);
  margin-bottom: 1rem;
  font-size: 1.2rem;
  font-weight: 600;
}

.crystal-footer-section p,
.crystal-footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  margin-bottom: 0.5rem;
  display: block;
  transition: color var(--transition-fast);
}

.crystal-footer-section a:hover {
  color: var(--emerald-accent);
}

.crystal-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* Cookie Popup */
.crystal-cookie-popup {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 350px;
  max-width: calc(100vw - 40px);
  background: rgba(27, 54, 93, 0.95);
  backdrop-filter: blur(10px);
  color: var(--marble-white);
  padding: 1.5rem;
  border-radius: var(--border-radius-md);
  border: 2px solid var(--emerald-accent);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  z-index: 10000;
  transform: translateX(100%);
  transition: transform var(--transition-medium);
}

.crystal-cookie-popup.show {
  transform: translateX(0);
}

.crystal-cookie-content {
  max-width: 1400px;
  margin: 0 auto;

  gap: 2rem;
}

.crystal-cookie-text {
  flex: 1;
  font-size: 0.95rem;
}

.crystal-cookie-text a {
  color: var(--emerald-accent);
  text-decoration: none;
}

.crystal-cookie-actions {
  display: flex;
  gap: 1rem;
}

.crystal-cookie-btn {
  padding: 8px 16px;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.crystal-cookie-accept {
  background: var(--emerald-accent);
  color: var(--marble-white);
}

.crystal-cookie-decline {
  background: transparent;
  color: var(--marble-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .crystal-mobile-toggle {
    display: flex;
  }

  .crystal-nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 2rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
    box-shadow: 0 4px 20px var(--shadow-soft);
  }

  .crystal-nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .crystal-hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .crystal-hero-decoration {
    right: 50%;
    transform: translateX(50%) translateY(-50%);
    width: 150px;
    height: 150px;
    opacity: 0.1;
  }

  .crystal-hero-visual {
    order: -1;
  }

  .crystal-hero-image {
    height: 300px;
  }

  .crystal-section {
    padding: 3rem 1rem;
  }

  .crystal-form {
    padding: 1.5rem;
    margin: 0 auto;
    max-width: calc(100% - 2rem);
  }

  .crystal-footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .crystal-cookie-content {
    flex-direction: column;
    text-align: center;
  }

  .crystal-cookie-actions {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .crystal-grid-2,
  .crystal-grid-3,
  .crystal-grid-4 {
    grid-template-columns: 1fr;
  }

  .crystal-card {
    padding: 1.5rem;
  }

  .crystal-hero {
    min-height: 90vh;
  }
}

/* Utility Classes */
.crystal-text-center {
  text-align: center;
}

.crystal-text-left {
  text-align: left;
}

.crystal-text-right {
  text-align: right;
}

.crystal-mb-1 {
  margin-bottom: 0.5rem;
}
.crystal-mb-2 {
  margin-bottom: 1rem;
}
.crystal-mb-3 {
  margin-bottom: 1.5rem;
}
.crystal-mb-4 {
  margin-bottom: 2rem;
}

.crystal-mt-1 {
  margin-top: 0.5rem;
}
.crystal-mt-2 {
  margin-top: 1rem;
}
.crystal-mt-3 {
  margin-top: 1.5rem;
}
.crystal-mt-4 {
  margin-top: 2rem;
}

.crystal-hidden {
  display: none;
}

.crystal-fade-in {
  animation: fadeIn 0.5s ease;
}

/* Print Styles */
@media print {
  .crystal-header,
  .crystal-cookie-popup,
  .crystal-mobile-toggle {
    display: none;
  }

  .crystal-section {
    padding: 1rem 0;
  }

  .crystal-hero {
    min-height: auto;
    padding: 2rem 0;
  }
}