/* ==========================================================================
   DESIGN TOKENS - The Ethereal Editorial
   ========================================================================== */
:root {
  /* Colors */
  --primary: #5a5a87;
  --primary-container: #8e8dbe;
  --secondary: #b41d55;
  --tertiary: #95416e;
  --tertiary-container: #d273a3;

  --background: #faf9f5;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #f4f4f0;
  --surface-container: #efeeea;
  --surface-container-highest: #e3e2df;

  --on-surface: #1b1c1a;
  --on-surface-variant: #47464e;
  --on-primary: #ffffff;

  --outline-variant: #c8c5cf;

  /* Typography */
  --font-headline: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Manrope', sans-serif;

  /* Radii */
  --radius-sm: 0.4rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.2rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2.4rem;
  --radius-4xl: 4rem;
  --radius-full: 9999px;

  /* Spacing */
  --spacing-2: 0.8rem;
  --spacing-4: 1.6rem;
  --spacing-5: 2.0rem;
  --spacing-8: 3.2rem;
  --spacing-12: 4.8rem;
  --spacing-16: 6.4rem;
  --spacing-20: 8.0rem;
  --spacing-24: 9.6rem;
  --spacing-32: 12.8rem;

  /* Elevations and Effects */
  --shadow-ambient: 0px 20px 40px rgba(90, 90, 135, 0.06);
  --glass-blur: blur(24px);
  --ghost-border: rgba(200, 197, 207, 0.15);
  /* outline-variant at 15% */

  /* Gradients */
  --ethereal-gradient1: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
  --ethereal-gradient: url("/assets/img/pattern1.webp"), linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
  --secondary-gradient: linear-gradient(135deg, var(--secondary) 0%, var(--tertiary) 100%);
}

/* ==========================================================================
   RESEARCH & BASE
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 62.5%;
  /* 1rem = 10px */
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--background);
  color: var(--on-surface);
  line-height: 1.6;
  font-size: 1.6rem;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-headline);
  color: var(--on-surface);
  font-weight: 700;
  line-height: 1.2;
}

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

ul {
  list-style: none;
}

button,
input,
textarea {
  font-family: inherit;
  border: none;
  background: none;
  outline: none;
}

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

/* ==========================================================================
   LAYOUT UTILITIES
   ========================================================================== */
.container {
  max-width: 144rem;
  margin: 0 auto;
  padding: 0 var(--spacing-12);
}

.grid {
  display: grid;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-4 {
  gap: var(--spacing-4);
}

.gap-6 {
  gap: 2.4rem;
}

.gap-8 {
  gap: var(--spacing-8);
}

.gap-20 {
  gap: var(--spacing-20);
}

.gap-24 {
  gap: var(--spacing-24);
}

.text-center {
  text-align: center;
}

.section-padding {
  padding-top: var(--spacing-32);
  padding-bottom: var(--spacing-32);
}

/* ==========================================================================
   COMPONENTS
   ========================================================================== */

/* Typography classes */
.display-lg {
  font-size: 7rem;
  letter-spacing: -0.02em;
  font-weight: 800;
  line-height: 1.1;
}

.display-md {
  font-size: 5rem;
  letter-spacing: -0.02em;
}

.display-sm {
  font-size: 4.5rem;
  line-height: 1.2;
}

.title-lg {
  font-size: 2.2rem;
}

.body-lg {
  font-size: 1.8rem;
  color: var(--on-surface-variant);
}

.body-md {
  font-size: 1.6rem;
  color: var(--on-surface-variant);
}

.label-md {
  font-size: 1.4rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Colors utility */
.text-primary {
  color: var(--primary);
}

.text-secondary {
  color: var(--secondary);
}

.text-on-surface {
  color: var(--on-surface);
}

.text-white {
  color: #ffffff !important;
}

.text-on-primary {
  color: var(--on-primary) !important;
}

.bg-surface-lowest {
  background-color: var(--surface-container-lowest);
}

.bg-surface-low {
  background-color: var(--surface-container-low);
}

.bg-surface {
  background-color: var(--surface-container);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem 3.2rem;
  border-radius: var(--radius-xl);
  font-weight: 700;
  font-size: 1.6rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn--primary {
  background: var(--ethereal-gradient1);
  color: var(--on-primary);
}

.btn--primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: var(--shadow-ambient);
}

.btn--secondary {
  background: var(--surface-container-lowest);
  color: var(--primary);
  border: 1px solid var(--ghost-border);
}

.btn--secondary:hover {
  background: var(--surface-container-low);
}

.btn--accent {
  background: var(--secondary-gradient);
  color: var(--on-primary);
  box-shadow: 0 10px 20px rgba(180, 29, 85, 0.2);
}

.btn--accent:hover {
  transform: scale(1.05);
}

.btn--outline {
  border: 2px solid rgba(90, 90, 135, 0.2);
  color: var(--primary);
}

.btn--outline:hover {
  background: rgba(90, 90, 135, 0.05);
}

/* Nav */
.header-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  padding: 1rem 0;
  background-color: rgba(250, 249, 245, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: padding 0.3s ease, background-color 0.3s ease;
}

.header-nav--scrolled {
  padding: 1rem 0;
  background-color: rgba(250, 249, 245, 0.95);
  box-shadow: var(--shadow-ambient);
}

.nav-logo {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: var(--spacing-12);
  align-items: center;
}

.nav-link {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--on-surface);
  transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link.active {
  border-bottom: 2px solid var(--secondary);
  color: var(--secondary);
}

/* Base Sections */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 12rem;
  padding-bottom: var(--spacing-24);
  background-image: url("/assets/img/6_2.webp"), linear-gradient(135deg, var(--background) 0%, var(--surface-container-low) 50%, rgba(255, 216, 231, 0.1) 100%);
  background-attachment: fixed;
  background-size: cover;
  background-position: bottom;
  background-repeat: no-repeat;
}

.section-next-events {
  background-image: url("../img/back_4.webp");
  background-size: cover;
  background-position: top;
  background-repeat: no-repeat;
}

.hero-grid {
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--spacing-20);
}

.hero-image-wrapper {
  position: relative;
}

.hero-image {
  border-radius: var(--radius-4xl);
  height: 600px;
  width: 100%;
  object-fit: cover;
  box-shadow: var(--shadow-ambient);
  transform: rotate(2deg);
  transition: transform 0.7s ease;
}

.hero-image:hover {
  transform: rotate(0deg);
}

.float-card {
  position: absolute;
  bottom: -3.2rem;
  left: -3.2rem;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  padding: 3.2rem;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-ambient);
  max-width: 28rem;
  z-index: 10;
}

/* Alba Section */
.alba-section {
  background-color: var(--surface-container-lowest);
  position: relative;
  overflow: hidden;
}

.alba-grid {
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: var(--spacing-24);
}

.alba-logo-wrapper {
  background: var(--surface-container-low);
  padding: var(--spacing-12);
  border-radius: var(--radius-4xl);
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: var(--shadow-ambient);
}

.alba-logo {
  max-width: 100%;
  height: auto;
  transform: scale(1);
  transition: transform 0.6s ease;
}

.alba-logo:hover {
  transform: scale(1.05);
}

.alba-title {
  color: #b64177;
  /* Alba Magenta */
  line-height: 1.1;
}

.alba-subtitle {
  display: block;
  font-size: 2.2rem;
  color: #e63238;
  /* Alba Red */
  font-weight: 700;
  margin-top: 0.8rem;
}

.alba-tagline {
  color: #867b9d;
  /* Alba Purple */
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.formation-section {
  background-image: url("/assets/img/back_5.webp");
}

/* About Section */
.about-section {
  background-color: var(--surface-container);
}

.about-grid {
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--spacing-24);
}

.about-image {
  border-radius: var(--radius-2xl);
  height: 550px;
  width: 100%;
  object-fit: cover;
  transform: rotate(-1deg);
}

.about-image-wrapper {
  background-color: var(--surface-container-highest);
  padding: 1.6rem;
  border-radius: var(--radius-4xl);
}

.stat-item .stat-number {
  font-size: 3.2rem;
  font-family: var(--font-headline);
  font-weight: 800;
}

.stat-item .stat-label {
  font-size: 1.4rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--on-surface-variant);
  margin-top: 0.4rem;
}

/* Services Section */
.services-section {
  background-image: var(--ethereal-gradient);
  color: var(--on-primary);
  position: relative;
  overflow: hidden;
  background-attachment: fixed;
}

.services-bg-glow {
  position: absolute;
  top: 0;
  right: 0;
  width: 500px;
  height: 500px;
  background-color: var(--secondary);
  opacity: 0.2;
  border-radius: 50%;
  filter: blur(120px);
  margin-right: -20rem;
  margin-top: -20rem;
}

.services-grid {
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-8);
}

.service-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
  padding: 4rem;
  border-radius: 3rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
}

.service-card:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-5px);
}

.service-icon {
  width: 6.4rem;
  height: 6.4rem;
  background-color: var(--secondary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-8);
  transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
  transform: scale(1.1);
}

/* Contact Section */
.contact-section {
  background-color: var(--background);
}

.contact-grid {
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-24);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-8);
}

.contact-icon {
  background: rgba(90, 90, 135, 0.1);
  color: var(--primary);
  padding: 1.6rem;
  border-radius: var(--radius-lg);
}

.form-wrapper {
  background-color: var(--surface-container-low);
  padding: 6.4rem;
  border-radius: var(--radius-4xl);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
  /* Very subtle if ambient is too much */
}

.form-group {
  margin-bottom: var(--spacing-6);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-6);
}

.form-label {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--on-surface-variant);
  margin-bottom: 1.2rem;
  margin-left: 0.8rem;
}

.form-input {
  width: 100%;
  background-color: var(--surface-container-highest);
  padding: 1.6rem 2.4rem;
  border-radius: var(--radius-lg);
  font-size: 1.6rem;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.form-input:focus {
  background-color: var(--surface-container-lowest);
  border-color: var(--ghost-border);
  box-shadow: 0 0 0 2px rgba(90, 90, 135, 0.2);
}

/* Footer */
.footer {
  background-color: var(--surface-container);
  padding: 4rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: var(--spacing-8);
}

.footer-link {
  font-size: 1.4rem;
  color: var(--on-surface-variant);
}

.footer-link:hover {
  color: var(--primary);
}

/* Responsive */
/* Whatsapp Action */
.whatsapp-float {
  position: fixed;
  bottom: 3.2rem;
  right: 3.2rem;
  background-color: #25d366;
  color: white;
  width: 6.4rem;
  height: 6.4rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  z-index: 100;
  transition: transform 0.3s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

/* Scroll Top Button */
.scroll-top-btn {
  position: fixed;
  bottom: 10.4rem;
  /* above whatsapp */
  right: 3.2rem;
  background-color: var(--surface-container-highest);
  color: var(--primary);
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(90, 90, 135, 0.15);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transform: translateY(2rem);
  transition: all 0.3s ease;
}

.scroll-top-btn.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.scroll-top-btn:hover {
  background-color: var(--surface-container-low);
  transform: translateY(-2px);
}

/* Menu Toggle Baseline */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--primary);
}

.menu-toggle span {
  font-size: 3.2rem;
}

@media (max-width: 1024px) {

  .hero-grid,
  .about-grid,
  .alba-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2);
  }

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

  .hero-image {
    height: 400px;
  }

  .about-image {
    height: 400px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-8);
    /* Increased padding for mobile screens */
  }

  .display-lg {
    font-size: 4rem;
  }

  .display-md {
    font-size: 3.5rem;
  }

  .display-sm {
    font-size: 3rem;
  }

  .hero-image {
    height: auto;
    object-fit: cover;
    margin-top: var(--spacing-4);
  }

  /* Reduce big paddings */
  .section-padding {
    padding-top: var(--spacing-20);
    padding-bottom: var(--spacing-20);
  }

  .hero-section {
    padding-top: 10rem;
    padding-bottom: var(--spacing-20);
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
  }

  .form-wrapper {
    padding: var(--spacing-8) var(--spacing-6);
  }

  .footer-inner {
    flex-direction: column;
    gap: var(--spacing-6);
    text-align: center;
  }

  .about-grid .order-1 {
    order: 2;
  }

  .about-grid .order-2 {
    order: 1;
  }

  .float-card {
    padding: var(--spacing-4);
    max-width: 20rem;
  }
}

@media (max-width: 900px) {
  .menu-toggle {
    display: block;
    cursor: pointer;
    z-index: 1000;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: rgba(250, 249, 245, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: var(--spacing-8) 0;
    box-shadow: var(--shadow-ambient);
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
    transition: clip-path 0.4s ease-in-out;
    pointer-events: none;
  }

  .nav-links.open {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    pointer-events: auto;
  }
}

/* Utility classes for states */
.form-feedback {
  margin-top: 1.6rem;
  padding: 1.6rem;
  border-radius: var(--radius-md);
  font-size: 1.4rem;
  font-weight: 600;
  display: none;
}

.form-feedback--success {
  background-color: rgba(90, 90, 135, 0.1);
  color: var(--primary);
  border: 1px solid var(--ghost-border);
  display: block;
}

.form-feedback--error {
  background-color: rgba(180, 29, 85, 0.1);
  color: var(--secondary);
  border: 1px solid var(--ghost-border);
  display: block;
}