/* ============================================
   NEOVANCE FOUNDATION — STYLES
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --color-primary: #0d9488;
  --color-primary-dark: #0f766e;
  --color-primary-darker: #115e59;
  --color-primary-light: #14b8a6;
  --color-primary-lighter: #5eead4;
  --color-primary-50: #f0fdfa;
  --color-primary-100: #ccfbf1;
  --color-primary-200: #99f6e4;
  --color-accent: #14b8a6;

  --color-white: #ffffff;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  --color-success: #10b981;
  --color-error: #ef4444;
  --color-warning: #f59e0b;

  --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  --line-height-tight: 1.15;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  --navbar-height: 72px;
  --container-max: 1200px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-height);
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-gray-700);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
}

/* Focus styles for keyboard nav */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

.section {
  padding: var(--spacing-20) 0;
}

/* --- Utility --- */
.text-gradient {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-lighter));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* --- Page Loader --- */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-4);
  background: linear-gradient(135deg, var(--color-primary-darker), var(--color-primary));
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--color-white);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loader-text {
  color: var(--color-white);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.05em;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  white-space: nowrap;
  text-align: center;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 2px 8px rgba(13, 148, 136, 0.3);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(13, 148, 136, 0.4);
  transform: translateY(-1px);
}

.btn--outline {
  border: 2px solid rgba(255, 255, 255, 0.6);
  color: var(--color-white);
  backdrop-filter: blur(4px);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--color-white);
  color: var(--color-white);
}

.btn--lg {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-base);
}

/* --- Section Headers --- */
.section__label {
  display: inline-block;
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-3);
}

.section__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-4);
}

.section__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-gray-500);
  max-width: 600px;
}

.section__header {
  text-align: center;
  margin-bottom: var(--spacing-16);
}

.section__header .section__subtitle {
  margin: 0 auto;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  z-index: 1000;
  transition: all var(--transition-base);
}

.navbar--scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}

.navbar--scrolled .navbar__logo,
.navbar--scrolled .navbar__link {
  color: var(--color-gray-800);
}

.navbar--scrolled .navbar__toggle-bar {
  background: var(--color-gray-800);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  z-index: 1001;
}

.navbar__logo:hover {
  color: var(--color-primary-lighter);
}

.navbar--scrolled .navbar__logo:hover {
  color: var(--color-primary);
}

.navbar__menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
}

.navbar__link {
  display: block;
  padding: var(--spacing-2) var(--spacing-3);
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.navbar__link:hover,
.navbar__link--active {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.1);
}

.navbar--scrolled .navbar__link:hover,
.navbar--scrolled .navbar__link--active {
  color: var(--color-primary);
  background: var(--color-primary-50);
}

.navbar__link--cta {
  background: var(--color-primary);
  color: var(--color-white) !important;
  padding: var(--spacing-2) var(--spacing-5);
  border-radius: var(--radius-full);
  margin-left: var(--spacing-2);
}

.navbar__link--cta:hover {
  background: var(--color-primary-dark) !important;
  color: var(--color-white) !important;
}

/* Hamburger */
.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  z-index: 1001;
}

.navbar__toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.navbar__toggle.active .navbar__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar__toggle.active .navbar__toggle-bar:nth-child(2) {
  opacity: 0;
}

.navbar__toggle.active .navbar__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-darker) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero__shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.08;
  background: var(--color-white);
}

.hero__shape--1 {
  width: 500px;
  height: 500px;
  top: -100px;
  right: -100px;
  animation: float 20s ease-in-out infinite;
}

.hero__shape--2 {
  width: 300px;
  height: 300px;
  bottom: -50px;
  left: -50px;
  animation: float 15s ease-in-out infinite reverse;
}

.hero__shape--3 {
  width: 200px;
  height: 200px;
  top: 50%;
  left: 50%;
  animation: float 12s ease-in-out infinite 2s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero__content {
  position: relative;
  text-align: center;
  padding: calc(var(--navbar-height) + var(--spacing-12)) 0 var(--spacing-12);
  max-width: 800px;
}

.hero__tagline {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-primary-100);
  padding: var(--spacing-2) var(--spacing-5);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-6);
  backdrop-filter: blur(4px);
}

.hero__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-white);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-6);
}

.hero__description {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.8);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-10);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.hero__actions {
  display: flex;
  gap: var(--spacing-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-16);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-6);
  padding-top: var(--spacing-10);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
}

.hero__stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
}

.hero__scroll-indicator {
  position: absolute;
  bottom: var(--spacing-8);
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.5);
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ============================================
   ABOUT
   ============================================ */
.about {
  background: var(--color-gray-50);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-12);
  align-items: center;
}

.about__text .section__label,
.about__text .section__title {
  text-align: left;
}

.about__description {
  font-size: var(--font-size-base);
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-4);
}

.about__highlights {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  margin-top: var(--spacing-6);
}

.about__highlight {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
}

.about__highlight-icon {
  flex-shrink: 0;
  color: var(--color-primary);
}

.about__visual {
  display: flex;
  justify-content: center;
}

.about__card {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-10);
  box-shadow: var(--shadow-xl);
  max-width: 360px;
  overflow: hidden;
}

.about__card-accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-lighter));
}

.about__card-number {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--spacing-2);
}

.about__card-label {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-800);
  margin-bottom: var(--spacing-3);
}

.about__card-text {
  color: var(--color-gray-500);
  line-height: var(--line-height-relaxed);
}

/* ============================================
   MISSION / VISION / VALUES
   ============================================ */
.mission__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
}

.mission__card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-base);
  border: 1px solid var(--color-gray-100);
}

.mission__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.mission__card--featured {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-color: transparent;
}

.mission__card--featured .mission__card-title,
.mission__card--featured .mission__card-text {
  color: var(--color-white);
}

.mission__card--featured .mission__card-icon {
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.15);
}

.mission__card--featured:hover {
  transform: translateY(-4px);
}

.mission__card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-xl);
  background: var(--color-primary-50);
  color: var(--color-primary);
  margin-bottom: var(--spacing-6);
}

.mission__card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-4);
}

.mission__card-text {
  color: var(--color-gray-500);
  line-height: var(--line-height-relaxed);
}

/* ============================================
   PROGRAMS
   ============================================ */
.programs {
  background: var(--color-gray-50);
}

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

.program-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition-base);
}

.program-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-200);
}

.program-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  background: var(--color-primary-50);
  color: var(--color-primary);
  margin-bottom: var(--spacing-5);
  transition: all var(--transition-base);
}

.program-card:hover .program-card__icon {
  background: var(--color-primary);
  color: var(--color-white);
}

.program-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-3);
}

.program-card__text {
  color: var(--color-gray-500);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-4);
  font-size: var(--font-size-sm);
}

.program-card__link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  transition: gap var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
}

.program-card__link:hover {
  gap: var(--spacing-2);
}

/* ============================================
   TEAM
   ============================================ */
.team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
}

.team-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition-base);
}

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

.team-card__photo {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-5);
}

.team-card__photo svg {
  border-radius: 50%;
  box-shadow: var(--shadow-md);
}

.team-card__name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-1);
}

.team-card__role {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-3);
}

.team-card__bio {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-4);
}

.team-card__socials {
  display: flex;
  justify-content: center;
  gap: var(--spacing-3);
}

.team-card__social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--color-gray-400);
  transition: all var(--transition-fast);
  background: var(--color-gray-50);
}

.team-card__social:hover {
  color: var(--color-primary);
  background: var(--color-primary-50);
}

/* ============================================
   PROJECTS
   ============================================ */
.projects {
  background: var(--color-gray-50);
}

.projects__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
}

.project-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition-base);
}

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

.project-card__image {
  overflow: hidden;
}

.project-card__image svg {
  width: 100%;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-card__image svg {
  transform: scale(1.05);
}

.project-card__content {
  padding: var(--spacing-6);
}

.project-card__tags {
  display: flex;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-3);
  flex-wrap: wrap;
}

.project-card__tag {
  display: inline-block;
  padding: var(--spacing-1) var(--spacing-3);
  background: var(--color-primary-50);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
}

.project-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-3);
}

.project-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-5);
}

.project-card__progress {
  margin-top: var(--spacing-4);
}

.project-card__progress-header {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-2);
}

.project-card__progress-bar {
  height: 8px;
  background: var(--color-gray-100);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.project-card__progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-full);
  transition: width 1s ease;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials__carousel {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.testimonials__track {
  position: relative;
  overflow: hidden;
  min-height: 280px;
}

.testimonial-card {
  position: absolute;
  inset: 0;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-gray-100);
  opacity: 0;
  transform: translateX(60px);
  transition: all 0.5s ease;
  pointer-events: none;
}

.testimonial-card--active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
  position: relative;
}

.testimonial-card__quote-icon {
  color: var(--color-primary);
  margin-bottom: var(--spacing-4);
}

.testimonial-card__text {
  font-size: var(--font-size-lg);
  color: var(--color-gray-700);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-6);
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.testimonial-card__avatar svg {
  border-radius: 50%;
}

.testimonial-card__name {
  display: block;
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
}

.testimonial-card__role {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
}

.testimonials__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-4);
  margin-top: var(--spacing-8);
}

.testimonials__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-white);
  color: var(--color-gray-600);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
}

.testimonials__btn:hover {
  color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.testimonials__dots {
  display: flex;
  gap: var(--spacing-2);
}

.testimonials__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-gray-200);
  transition: all var(--transition-fast);
}

.testimonials__dot--active {
  background: var(--color-primary);
  width: 28px;
  border-radius: var(--radius-full);
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
  background: var(--color-gray-50);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-12);
}

/* Form */
.contact-form {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-gray-100);
}

.contact-form__honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.contact-form__group {
  position: relative;
  margin-bottom: var(--spacing-5);
}

.contact-form__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-2);
}

.contact-form__required {
  color: var(--color-error);
}

.contact-form__input {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  padding-right: var(--spacing-10);
  font-family: inherit;
  font-size: var(--font-size-base);
  color: var(--color-gray-800);
  background: var(--color-gray-50);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  appearance: none;
}

.contact-form__input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

.contact-form__input.valid {
  border-color: var(--color-success);
  background: var(--color-white);
}

.contact-form__input.invalid {
  border-color: var(--color-error);
  background: var(--color-white);
}

.contact-form__textarea {
  resize: vertical;
  min-height: 120px;
  padding-right: var(--spacing-4);
}

.contact-form__select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%236b7280' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: var(--spacing-10);
}

.contact-form__icon {
  position: absolute;
  right: 12px;
  top: 38px;
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
}

.contact-form__icon--valid {
  color: var(--color-success);
}

.contact-form__icon--invalid {
  color: var(--color-error);
}

.contact-form__input.valid ~ .contact-form__icon--valid {
  opacity: 1;
}

.contact-form__input.invalid ~ .contact-form__icon--invalid {
  opacity: 1;
}

.contact-form__error {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-error);
  margin-top: var(--spacing-1);
  min-height: 1rem;
}

.contact-form__submit {
  width: 100%;
  margin-top: var(--spacing-4);
  position: relative;
}

.contact-form__submit-loading {
  display: none;
}

.contact-form__submit--loading .contact-form__submit-text {
  visibility: hidden;
}

.contact-form__submit--loading .contact-form__submit-loading {
  display: flex;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
}

.spinner {
  animation: spin 1s linear infinite;
}

/* Contact Info */
.contact__map {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-6);
}

.contact__info-cards {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-4);
  background: var(--color-white);
  padding: var(--spacing-5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
}

.contact-info-card__icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--color-primary-50);
  color: var(--color-primary);
}

.contact-info-card strong {
  display: block;
  color: var(--color-gray-800);
  margin-bottom: var(--spacing-1);
}

.contact-info-card p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  line-height: var(--line-height-relaxed);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-400);
  padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-10);
  margin-bottom: var(--spacing-12);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  color: var(--color-white);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-4);
}

.footer__logo:hover {
  color: var(--color-primary-lighter);
}

.footer__tagline {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-5);
  max-width: 300px;
}

.footer__socials {
  display: flex;
  gap: var(--spacing-3);
}

.footer__social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-gray-800);
  color: var(--color-gray-400);
  transition: all var(--transition-fast);
}

.footer__social:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.footer__heading {
  color: var(--color-white);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-5);
}

.footer__links ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.footer__links a {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-primary-lighter);
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  align-items: center;
  text-align: center;
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--color-gray-800);
  font-size: var(--font-size-sm);
}

.footer__bottom-links {
  display: flex;
  gap: var(--spacing-6);
}

.footer__bottom-links a {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
}

.footer__bottom-links a:hover {
  color: var(--color-primary-lighter);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-8);
  right: var(--spacing-8);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 100;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
  position: fixed;
  bottom: var(--spacing-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-6);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  box-shadow: var(--shadow-xl);
  pointer-events: auto;
  animation: toastIn 0.4s ease forwards;
  min-width: 300px;
  max-width: 480px;
}

.toast--success {
  background: var(--color-success);
  color: var(--color-white);
}

.toast--error {
  background: var(--color-error);
  color: var(--color-white);
}

.toast--removing {
  animation: toastOut 0.3s ease forwards;
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes toastOut {
  to {
    opacity: 0;
    transform: translateY(-10px) scale(0.95);
  }
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE — Tablet (768px+)
   ============================================ */
@media (min-width: 768px) {
  .section {
    padding: var(--spacing-24) 0;
  }

  .section__title {
    font-size: var(--font-size-4xl);
  }

  .hero__title {
    font-size: var(--font-size-5xl);
  }

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

  .mission__grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

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

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

  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ============================================
   RESPONSIVE — Desktop (1024px+)
   ============================================ */
@media (min-width: 1024px) {
  .section__title {
    font-size: var(--font-size-4xl);
  }

  .hero__title {
    font-size: var(--font-size-6xl);
  }

  .programs__grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .projects__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================
   RESPONSIVE — Mobile (< 768px)
   ============================================ */
@media (max-width: 767px) {
  :root {
    --navbar-height: 64px;
  }

  .navbar__toggle {
    display: flex;
  }

  .navbar__menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    padding: calc(var(--navbar-height) + var(--spacing-6)) var(--spacing-6) var(--spacing-6);
    box-shadow: var(--shadow-xl);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: 999;
    gap: var(--spacing-1);
  }

  .navbar__menu.open {
    transform: translateX(0);
  }

  .navbar__link {
    color: var(--color-gray-700);
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
  }

  .navbar__link:hover,
  .navbar__link--active {
    color: var(--color-primary);
    background: var(--color-primary-50);
  }

  .navbar__link--cta {
    margin-left: 0;
    margin-top: var(--spacing-4);
    text-align: center;
    color: var(--color-white) !important;
  }

  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
  }

  .hero__stat-number {
    font-size: var(--font-size-2xl);
  }

  /* Overlay when mobile menu is open */
  .navbar__menu.open::before {
    content: '';
    position: fixed;
    top: 0;
    left: -100vw;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.4);
  }
}