/* ============================================================
   DAVE MITCHELL — MATH EDUCATION WEBSITE
   Master Stylesheet / Design System
   ============================================================
   Table of Contents:
   1.  Google Fonts Import
   2.  CSS Custom Properties
   3.  CSS Reset & Base
   4.  Typography
   5.  Utility Classes
   6.  Container & Layout
   7.  Navigation
   8.  Mobile Hamburger Menu
   9.  Hero Section
   10. Floating Math Symbols Animation
   11. CTA Buttons
   12. Impact Numbers Bar
   13. Section Styling
   14. Materials Preview Grid
   15. Material Category Badges
   16. Testimonials
   17. Proposal Page
   18. About Page
   19. Contact Form
   20. Audio/Video Player Containers
   21. Footer
   22. Scroll Animations
   23. Keyframe Animations
   24. Responsive — Tablet (768px)
   25. Responsive — Laptop (1024px)
   26. Responsive — Desktop (1440px)
   ============================================================ */


/* ============================================================
   1. GOOGLE FONTS IMPORT
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700;800&display=swap');


/* ============================================================
   2. CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  /* --- Colors: Primary Blues --- */
  --color-navy:          #1a2b5e;
  --color-navy-dark:     #0f1d42;
  --color-blue:          #2563eb;
  --color-blue-medium:   #3b82f6;
  --color-blue-light:    #60a5fa;
  --color-blue-pale:     #dbeafe;

  /* --- Colors: Accent Gold/Yellow --- */
  --color-gold:          #f59e0b;
  --color-gold-light:    #fbbf24;
  --color-gold-pale:     #fef3c7;

  /* --- Colors: Neutrals --- */
  --color-white:         #ffffff;
  --color-gray-50:       #f8fafc;
  --color-gray-100:      #f1f5f9;
  --color-gray-200:      #e2e8f0;
  --color-gray-300:      #cbd5e1;
  --color-gray-400:      #94a3b8;
  --color-gray-500:      #64748b;
  --color-gray-600:      #475569;
  --color-gray-700:      #334155;
  --color-gray-900:      #0f172a;

  /* --- Colors: Semantic --- */
  --color-success:       #16a34a;
  --color-error:         #dc2626;

  /* --- Colors: Category Badges --- */
  --badge-k6:            #16a34a;
  --badge-78:            #2563eb;
  --badge-912:           #7c3aed;

  /* --- Typography --- */
  --font-body:           'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading:        'Poppins', 'Inter', sans-serif;

  --fs-xs:               0.75rem;    /* 12px */
  --fs-sm:               0.875rem;   /* 14px */
  --fs-base:             1rem;       /* 16px */
  --fs-md:               1.125rem;   /* 18px */
  --fs-lg:               1.25rem;    /* 20px */
  --fs-xl:               1.5rem;     /* 24px */
  --fs-2xl:              1.875rem;   /* 30px */
  --fs-3xl:              2.25rem;    /* 36px */
  --fs-4xl:              3rem;       /* 48px */
  --fs-5xl:              3.75rem;    /* 60px */

  --fw-light:            300;
  --fw-regular:          400;
  --fw-medium:           500;
  --fw-semibold:         600;
  --fw-bold:             700;
  --fw-extrabold:        800;

  --lh-tight:            1.2;
  --lh-normal:           1.6;
  --lh-relaxed:          1.8;

  /* --- Spacing --- */
  --space-xs:            0.25rem;
  --space-sm:            0.5rem;
  --space-md:            1rem;
  --space-lg:            1.5rem;
  --space-xl:            2rem;
  --space-2xl:           3rem;
  --space-3xl:           4rem;
  --space-4xl:           5rem;
  --space-5xl:           6rem;
  --space-section:       5rem;

  /* --- Borders & Radii --- */
  --radius-sm:           0.375rem;
  --radius-md:           0.5rem;
  --radius-lg:           0.75rem;
  --radius-xl:           1rem;
  --radius-2xl:          1.5rem;
  --radius-full:         9999px;

  /* --- Shadows --- */
  --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);
  --shadow-glow-blue:    0 0 20px rgba(37, 99, 235, 0.3);
  --shadow-glow-gold:    0 0 20px rgba(245, 158, 11, 0.3);

  /* --- Transitions --- */
  --transition-fast:     0.15s ease;
  --transition-base:     0.3s ease;
  --transition-slow:     0.5s ease;

  /* --- Z-Index Scale --- */
  --z-base:              1;
  --z-dropdown:          100;
  --z-sticky:            200;
  --z-nav:               500;
  --z-overlay:           900;
  --z-modal:             1000;

  /* --- Layout --- */
  --container-max:       1200px;
  --container-padding:   1rem;
  --nav-height:          72px;
}


/* ============================================================
   3. CSS RESET & BASE
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--color-gray-900);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base);
}

ul,
ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

::selection {
  background-color: var(--color-blue);
  color: var(--color-white);
}


/* ============================================================
   4. TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--color-gray-900);
}

h1 {
  font-size: var(--fs-3xl);
  font-weight: var(--fw-extrabold);
}

h2 {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
}

h3 {
  font-size: var(--fs-xl);
  font-weight: var(--fw-semibold);
}

h4 {
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
}

h5 {
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
}

h6 {
  font-size: var(--fs-base);
  font-weight: var(--fw-medium);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-gray-700);
}

p:last-child {
  margin-bottom: 0;
}

strong {
  font-weight: var(--fw-semibold);
}

small {
  font-size: var(--fs-sm);
}


/* ============================================================
   5. UTILITY CLASSES
   ============================================================ */
.text-center     { text-align: center; }
.text-left       { text-align: left; }
.text-right      { text-align: right; }
.text-gold       { color: var(--color-gold); }
.text-blue       { color: var(--color-blue); }
.text-white      { color: var(--color-white); }
.text-muted      { color: var(--color-gray-500); }

.bg-white        { background-color: var(--color-white); }
.bg-gray-50      { background-color: var(--color-gray-50); }
.bg-gray-100     { background-color: var(--color-gray-100); }
.bg-navy         { background-color: var(--color-navy); }
.bg-blue         { background-color: var(--color-blue); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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


/* ============================================================
   6. CONTAINER & LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container--narrow {
  max-width: 800px;
}

.container--wide {
  max-width: 1400px;
}


/* ============================================================
   7. NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background-color var(--transition-base),
              box-shadow var(--transition-base),
              backdrop-filter var(--transition-base);
}

/* Transparent at top of page */
.nav:not(.scrolled) {
  background-color: transparent;
}

/* Solid background on scroll */
.nav.scrolled {
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  font-size: var(--fs-lg);
  color: var(--color-white);
  transition: color var(--transition-base);
  z-index: var(--z-nav);
}

.nav.scrolled .nav__logo {
  color: var(--color-navy);
}

.nav__logo img {
  height: 40px;
  width: auto;
}

.nav__links {
  display: none;
  align-items: center;
  gap: var(--space-xl);
}

.nav__links a {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-white);
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-base);
}

.nav.scrolled .nav__links a {
  color: var(--color-gray-700);
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-gold);
  transition: width var(--transition-base);
}

.nav__links a:hover::after,
.nav__links a.active::after {
  width: 100%;
}

.nav__links a:hover {
  color: var(--color-gold-light);
}

.nav.scrolled .nav__links a:hover {
  color: var(--color-blue);
}

.nav__cta {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  background-color: var(--color-gold);
  color: var(--color-gray-900) !important;
  transition: background-color var(--transition-base),
              transform var(--transition-base);
}

.nav__cta:hover {
  background-color: var(--color-gold-light);
  transform: translateY(-1px);
}

.nav__cta::after {
  display: none !important;
}


/* ============================================================
   8. MOBILE HAMBURGER MENU
   ============================================================ */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 32px;
  height: 32px;
  cursor: pointer;
  z-index: var(--z-nav);
  position: relative;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition-base),
              opacity var(--transition-base),
              background-color var(--transition-base);
}

.nav.scrolled .nav__hamburger span {
  background-color: var(--color-gray-900);
}

.nav__hamburger span:nth-child(1) {
  transform: translateY(-6px);
}

.nav__hamburger span:nth-child(3) {
  transform: translateY(6px);
}

/* Animated X when open */
.nav__hamburger.open span:nth-child(1) {
  transform: translateY(0) rotate(45deg);
}

.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.open span:nth-child(3) {
  transform: translateY(0) rotate(-45deg);
}

/* Mobile menu overlay */
.nav__mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 360px;
  height: 100vh;
  background-color: var(--color-navy);
  padding: calc(var(--nav-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  transition: right var(--transition-base);
  z-index: calc(var(--z-nav) - 1);
  overflow-y: auto;
}

.nav__mobile-menu.open {
  right: 0;
}

.nav__mobile-menu a {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  color: var(--color-white);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: color var(--transition-base),
              padding-left var(--transition-base);
}

.nav__mobile-menu a:hover {
  color: var(--color-gold);
  padding-left: var(--space-sm);
}

/* Overlay backdrop */
.nav__overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-nav) - 2);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base),
              visibility var(--transition-base);
}

.nav__overlay.visible {
  opacity: 1;
  visibility: visible;
}


/* ============================================================
   9. HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 70vh;
  overflow: hidden;
  background: linear-gradient(
    135deg,
    #0a1628 0%,
    var(--color-navy) 35%,
    #1e40af 65%,
    #3b82f6 100%
  );
  background-size: 200% 200%;
  animation: hero-gradient 12s ease infinite;
  padding: 6rem 1rem 3rem;
}

.hero--interior {
  min-height: auto;
  padding: 7rem 1rem 3rem;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(59, 130, 246, 0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(245, 158, 11, 0.08) 0%, transparent 40%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 10;
  margin: 0 auto;
  max-width: 700px;
}

.hero__content * {
  text-align: center;
}

.hero__badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: var(--fw-semibold);
  color: var(--color-gold);
  background-color: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(4px);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: var(--fw-extrabold);
  color: var(--color-white);
  margin: 0 0 0.75rem 0;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero__title span {
  color: var(--color-gold);
  text-shadow: 0 2px 20px rgba(245, 158, 11, 0.3);
}

.hero__subtitle {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin: 0 auto 1.75rem auto;
  max-width: 520px;
}

.hero__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}

@keyframes hero-gradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}


/* ============================================================
   10. FLOATING MATH SYMBOLS ANIMATION
   ============================================================ */
.hero__symbols {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
}

.hero__symbol {
  position: absolute;
  font-size: 2rem;
  color: rgba(255, 255, 255, 0.06);
  font-family: 'Georgia', serif;
  user-select: none;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

.hero__symbol:nth-child(1) {
  top: 10%;
  left: 5%;
  font-size: 2.5rem;
  animation: drift-1 18s infinite;
}

.hero__symbol:nth-child(2) {
  top: 20%;
  right: 10%;
  font-size: 3rem;
  animation: drift-2 22s infinite;
}

.hero__symbol:nth-child(3) {
  bottom: 30%;
  left: 15%;
  font-size: 1.8rem;
  animation: drift-3 20s infinite;
}

.hero__symbol:nth-child(4) {
  top: 60%;
  right: 20%;
  font-size: 2.2rem;
  animation: drift-4 25s infinite;
}

.hero__symbol:nth-child(5) {
  bottom: 15%;
  left: 40%;
  font-size: 2rem;
  animation: drift-1 16s infinite reverse;
}

.hero__symbol:nth-child(6) {
  top: 40%;
  left: 70%;
  font-size: 2.8rem;
  animation: drift-2 19s infinite reverse;
}

.hero__symbol:nth-child(7) {
  top: 75%;
  left: 85%;
  font-size: 1.5rem;
  animation: drift-3 23s infinite;
}

.hero__symbol:nth-child(8) {
  top: 5%;
  left: 55%;
  font-size: 2rem;
  animation: drift-4 21s infinite reverse;
}


/* ============================================================
   11. CTA BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-base);
  padding: 0.875rem 2rem;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              background-color var(--transition-base),
              border-color var(--transition-base),
              color var(--transition-base);
  text-align: center;
  white-space: nowrap;
}

/* Primary Button */
.btn--primary {
  background: linear-gradient(135deg, var(--color-blue), #1d4ed8);
  color: var(--color-white);
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn--primary:hover {
  background: linear-gradient(135deg, #3b82f6, var(--color-blue));
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.btn--primary:active {
  transform: translateY(-1px);
}

/* Secondary Button (Outline) */
.btn--secondary {
  background-color: transparent;
  color: var(--color-gold);
  border-color: var(--color-gold);
}

.btn--secondary:hover {
  background-color: var(--color-gold);
  color: var(--color-gray-900);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-gold);
}

.btn--secondary:active {
  transform: translateY(-1px);
}

/* Dark variant for use on light backgrounds */
.btn--dark {
  background-color: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}

.btn--dark:hover {
  background-color: var(--color-navy-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

/* Small button */
.btn--sm {
  font-size: var(--fs-sm);
  padding: 0.5rem 1.25rem;
}

/* Large button */
.btn--lg {
  font-size: var(--fs-md);
  padding: 1rem 2.5rem;
}


/* ============================================================
   12. IMPACT NUMBERS BAR
   ============================================================ */
.impact-bar {
  background: linear-gradient(135deg, var(--color-navy-dark), var(--color-navy));
  padding: var(--space-2xl) 0;
  position: relative;
}

.impact-bar__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  text-align: center;
}

.impact-bar__item {
  padding: var(--space-md);
}

.impact-bar__number {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: var(--fw-extrabold);
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.impact-bar__label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}


/* ============================================================
   13. SECTION STYLING
   ============================================================ */
.section {
  padding: 3.5rem 0;
}

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

.section--gray {
  background-color: var(--color-gray-50);
}

.section--navy {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.section--navy p {
  color: rgba(255, 255, 255, 0.75);
}

.section__header {
  margin: 0 0 2.5rem 0;
  text-align: center;
}

.section__header h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-navy);
  margin: 0;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.section__header h2::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-blue));
  border-radius: 2px;
  margin: 0.6rem auto 0;
}

.section--navy .section__header h2 {
  color: var(--color-white);
}

.section--navy .section__header p {
  color: rgba(255, 255, 255, 0.7);
}

.section__header p {
  font-size: 0.95rem;
  color: var(--color-gray-500);
  line-height: 1.5;
  margin-top: 0.5rem;
}


/* ============================================================
   14. MATERIALS PREVIEW GRID
   ============================================================ */
.materials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.material-card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base);
}

.material-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.15);
  border-color: var(--color-blue-light);
}

.material-card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
}

.material-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.material-card__icon {
  width: 100%;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-navy), var(--color-blue));
  font-size: 3rem;
  color: var(--color-gold);
  transition: background var(--transition-base);
}

.material-card:hover .material-card__icon {
  background: linear-gradient(135deg, var(--color-blue), var(--color-navy));
}

.material-card__body {
  padding: var(--space-lg);
}

.material-card__title {
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-sm);
  color: var(--color-gray-900);
}

.material-card__description {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-md);
  line-height: var(--lh-relaxed);
}

.material-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-gray-200);
}


/* ============================================================
   15. MATERIAL CATEGORY BADGES
   ============================================================ */
.badge {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  padding: 0.2rem 0.625rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge--k6 {
  background-color: rgba(22, 163, 74, 0.1);
  color: var(--badge-k6);
}

.badge--78 {
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--badge-78);
}

.badge--912 {
  background-color: rgba(124, 58, 237, 0.1);
  color: var(--badge-912);
}

.badge--gold {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--color-gold);
}


/* ============================================================
   16. TESTIMONIALS
   ============================================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.testimonial-card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  position: relative;
  transition: transform var(--transition-base),
              box-shadow var(--transition-base);
}

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

/* Large decorative quotation mark */
.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: var(--space-md);
  left: var(--space-lg);
  font-family: 'Georgia', serif;
  font-size: 5rem;
  line-height: 1;
  color: var(--color-blue-pale);
  pointer-events: none;
}

.testimonial-card__quote {
  font-size: var(--fs-md);
  font-style: italic;
  color: var(--color-gray-700);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-lg);
  position: relative;
  z-index: 1;
}

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

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--color-gray-200);
  overflow: hidden;
  flex-shrink: 0;
}

.testimonial-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial-card__name {
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  color: var(--color-gray-900);
}

.testimonial-card__role {
  font-size: var(--fs-xs);
  color: var(--color-gray-500);
}


/* ============================================================
   17. PROPOSAL PAGE
   ============================================================ */
.proposal-section {
  padding: var(--space-3xl) 0;
}

.proposal-content h2 {
  margin-bottom: var(--space-lg);
}

.proposal-content h3 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.proposal-content p {
  margin-bottom: var(--space-md);
  line-height: var(--lh-relaxed);
}

/* Styled list with gold checkmarks */
.proposal-list {
  margin: var(--space-lg) 0;
  padding-left: 0;
}

.proposal-list li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: var(--space-md);
  line-height: var(--lh-relaxed);
  color: var(--color-gray-700);
}

.proposal-list li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  top: 0;
  font-weight: var(--fw-bold);
  color: var(--color-gold);
  font-size: var(--fs-md);
}

/* Pricing callout box */
.pricing-callout {
  background: linear-gradient(135deg, var(--color-blue-pale), var(--color-gray-50));
  border: 2px solid var(--color-blue);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  margin: var(--space-2xl) 0;
  text-align: center;
}

.pricing-callout__price {
  font-family: var(--font-heading);
  font-size: var(--fs-4xl);
  font-weight: var(--fw-extrabold);
  color: var(--color-blue);
  margin-bottom: var(--space-sm);
}

.pricing-callout__period {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-lg);
}

.pricing-callout__features {
  text-align: left;
  max-width: 400px;
  margin: 0 auto var(--space-lg);
}


/* ============================================================
   18. ABOUT PAGE
   ============================================================ */
.about-hero {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
  align-items: center;
}

.about-hero__photo {
  width: 100%;
  max-width: 360px;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-hero__photo img {
  width: 100%;
  height: auto;
  display: block;
}

.about-hero__bio h1 {
  margin-bottom: var(--space-md);
}

.about-hero__bio p {
  font-size: var(--fs-md);
  line-height: var(--lh-relaxed);
}

/* Career timeline */
.timeline {
  position: relative;
  padding-left: var(--space-2xl);
  margin: var(--space-2xl) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--color-blue), var(--color-gold));
  border-radius: 2px;
}

.timeline__item {
  position: relative;
  margin-bottom: var(--space-2xl);
  padding-left: var(--space-lg);
}

.timeline__item:last-child {
  margin-bottom: 0;
}

/* Dot marker */
.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-2xl) + 2px);
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  background-color: var(--color-white);
  border: 3px solid var(--color-blue);
  z-index: 1;
}

.timeline__year {
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.timeline__title {
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-xs);
  color: var(--color-gray-900);
}

.timeline__description {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  line-height: var(--lh-relaxed);
}


/* ============================================================
   19. CONTACT FORM
   ============================================================ */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-gray-700);
  margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--fs-base);
  color: var(--color-gray-900);
  background-color: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-gray-400);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-group input.error,
.form-group textarea.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-group .form-error {
  font-size: var(--fs-xs);
  color: var(--color-error);
  margin-top: var(--space-xs);
}

.form-submit {
  text-align: center;
  margin-top: var(--space-xl);
}


/* ============================================================
   20. AUDIO/VIDEO PLAYER CONTAINERS
   ============================================================ */
.media-card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-xl);
}

.media-card__player {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 aspect ratio */
  background-color: var(--color-gray-900);
}

.media-card__player iframe,
.media-card__player video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.media-card__audio {
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--color-navy-dark), var(--color-navy));
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.media-card__audio audio {
  width: 100%;
}

.media-card__info {
  padding: var(--space-lg);
}

.media-card__title {
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-xs);
}

.media-card__description {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
}


/* ============================================================
   21. FOOTER
   ============================================================ */
.footer {
  background-color: var(--color-navy-dark);
  color: var(--color-white);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer__brand {
  max-width: 300px;
}

.footer__brand-name {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-md);
  color: var(--color-white);
}

.footer__brand p {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: var(--lh-relaxed);
}

.footer__column h4 {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gray-400);
  margin-bottom: var(--space-md);
}

.footer__column a {
  display: block;
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-xs) 0;
  transition: color var(--transition-base),
              padding-left var(--transition-base);
}

.footer__column a:hover {
  color: var(--color-gold);
  padding-left: var(--space-xs);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

.footer__copyright {
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.4);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.6);
  transition: background-color var(--transition-base),
              color var(--transition-base);
}

.footer__social a:hover {
  background-color: var(--color-gold);
  color: var(--color-gray-900);
}


/* ============================================================
   22. SCROLL ANIMATIONS
   ============================================================ */
.fade-in {
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.fade-in.visible {
  opacity: 1;
}

.slide-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow),
              transform var(--transition-slow);
}

.slide-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity var(--transition-slow),
              transform var(--transition-slow);
}

.slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity var(--transition-slow),
              transform var(--transition-slow);
}

.slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Staggered animation delays for grid children */
.stagger > *:nth-child(1) { transition-delay: 0s; }
.stagger > *:nth-child(2) { transition-delay: 0.1s; }
.stagger > *:nth-child(3) { transition-delay: 0.2s; }
.stagger > *:nth-child(4) { transition-delay: 0.3s; }
.stagger > *:nth-child(5) { transition-delay: 0.4s; }
.stagger > *:nth-child(6) { transition-delay: 0.5s; }


/* ============================================================
   23. KEYFRAME ANIMATIONS
   ============================================================ */
@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4);
  }
  50% {
    box-shadow: 0 0 20px 4px rgba(37, 99, 235, 0.15);
  }
}

@keyframes drift-1 {
  0%   { transform: translate(0, 0) rotate(0deg); }
  25%  { transform: translate(40px, -30px) rotate(15deg); }
  50%  { transform: translate(-20px, -60px) rotate(-10deg); }
  75%  { transform: translate(30px, -20px) rotate(20deg); }
  100% { transform: translate(0, 0) rotate(0deg); }
}

@keyframes drift-2 {
  0%   { transform: translate(0, 0) rotate(0deg); }
  25%  { transform: translate(-50px, 20px) rotate(-20deg); }
  50%  { transform: translate(30px, 50px) rotate(10deg); }
  75%  { transform: translate(-30px, -10px) rotate(-15deg); }
  100% { transform: translate(0, 0) rotate(0deg); }
}

@keyframes drift-3 {
  0%   { transform: translate(0, 0) rotate(0deg); }
  33%  { transform: translate(20px, -40px) rotate(25deg); }
  66%  { transform: translate(-40px, 20px) rotate(-20deg); }
  100% { transform: translate(0, 0) rotate(0deg); }
}

@keyframes drift-4 {
  0%   { transform: translate(0, 0) rotate(0deg); }
  20%  { transform: translate(-30px, -20px) rotate(-10deg); }
  40%  { transform: translate(20px, -50px) rotate(15deg); }
  60%  { transform: translate(40px, 10px) rotate(-5deg); }
  80%  { transform: translate(-10px, 30px) rotate(10deg); }
  100% { transform: translate(0, 0) rotate(0deg); }
}

@keyframes float-up {
  0%   { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10%  { opacity: 0.06; }
  90%  { opacity: 0.06; }
  100% { transform: translateY(-10vh) rotate(360deg); opacity: 0; }
}


/* ============================================================
   24. RESPONSIVE — TABLET (768px+)
   ============================================================ */
@media (min-width: 768px) {

  :root {
    --container-padding: 2rem;
    --space-section: 4rem;
  }

  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.35rem; }

  /* Hero */
  .hero__title {
    font-size: 2.75rem;
  }

  .hero__subtitle {
    font-size: 1.05rem;
  }

  .section__header h2 {
    font-size: 1.75rem;
  }

  /* Impact Bar */
  .impact-bar__inner {
    grid-template-columns: repeat(5, 1fr);
  }

  .impact-bar__number {
    font-size: 2rem;
  }

  /* Materials Grid */
  .materials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Testimonials */
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* About */
  .about-hero {
    flex-direction: row;
    align-items: flex-start;
  }

  .about-hero__photo {
    flex-shrink: 0;
    width: 300px;
  }

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

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


/* ============================================================
   25. RESPONSIVE — LAPTOP (1024px+)
   ============================================================ */
@media (min-width: 1024px) {

  /* Show desktop nav, hide hamburger */
  .nav__links {
    display: flex;
  }

  .nav__hamburger {
    display: none;
  }

  .nav__mobile-menu,
  .nav__overlay {
    display: none !important;
  }

  /* Hero */
  .hero__title {
    font-size: 3.25rem;
  }

  .hero__subtitle {
    font-size: 1.1rem;
  }

  .section__header h2 {
    font-size: 1.85rem;
  }

  /* Materials Grid */
  .materials-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Testimonials */
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* About */
  .about-hero__photo {
    width: 360px;
  }

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


/* ============================================================
   26. RESPONSIVE — DESKTOP (1440px+)
   ============================================================ */
@media (min-width: 1440px) {

  :root {
    --container-padding: 2rem;
  }

  /* Materials Grid — 4 columns on large screens */
  .materials-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .hero__title {
    font-size: 3.5rem;
  }
}


/* ============================================================
   ABOUT PAGE — Extended Styles
   ============================================================ */

/* Bio grid: two columns on desktop, stacked on mobile */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 320px 1fr;
  }
}

.photo-column {
  display: flex;
  justify-content: center;
}

.photo-placeholder {
  width: 100%;
  max-width: 320px;
  aspect-ratio: 3 / 4;
  background: linear-gradient(135deg, var(--color-blue-pale), var(--color-gray-100));
  border-radius: var(--radius-2xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  color: var(--color-gray-400);
  box-shadow: var(--shadow-lg);
}

.photo-placeholder i {
  font-size: 4rem;
}

.photo-placeholder p {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
}

.bio-column p {
  font-size: var(--fs-md);
  line-height: var(--lh-relaxed);
  color: var(--color-gray-700);
  margin-bottom: var(--space-lg);
}

.bio-column p:last-child {
  margin-bottom: 0;
}

/* Timeline — icon-based milestones */
.timeline-item {
  position: relative;
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
  padding-left: 0;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-blue), var(--color-blue-medium));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-xl);
  box-shadow: var(--shadow-glow-blue);
  position: relative;
  z-index: 1;
}

.timeline-item:nth-child(even) .timeline-icon {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  box-shadow: var(--shadow-glow-gold);
}

.timeline-content {
  flex: 1;
  padding-top: var(--space-xs);
}

.timeline-content h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-xs);
}

.timeline-content p {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  line-height: var(--lh-relaxed);
}

.timeline-content .counter {
  font-family: var(--font-heading);
  font-weight: var(--fw-extrabold);
  color: var(--color-blue);
}

/* Featured quote block */
.featured-quote {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-2xl);
  background: linear-gradient(135deg, var(--color-navy), var(--color-navy-dark));
  border-radius: var(--radius-2xl);
  color: var(--color-white);
  text-align: center;
  box-shadow: var(--shadow-xl);
}

.featured-quote .quote-icon {
  font-size: var(--fs-4xl);
  color: var(--color-gold);
  opacity: 0.6;
  display: block;
  margin-bottom: var(--space-lg);
}

.featured-quote p {
  font-size: var(--fs-lg);
  line-height: var(--lh-relaxed);
  font-style: italic;
  margin-bottom: var(--space-xl);
}

.featured-quote cite {
  font-size: var(--fs-md);
  font-style: normal;
  font-weight: var(--fw-semibold);
  color: var(--color-gold-light);
}

/* CBC Radio highlight box */
.cbc-highlight {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  background: var(--color-gray-50);
  border-left: 5px solid var(--color-gold);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
  .cbc-highlight {
    flex-direction: row;
    align-items: flex-start;
  }
}

.cbc-icon {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-3xl);
  box-shadow: var(--shadow-glow-gold);
  align-self: center;
}

@media (min-width: 768px) {
  .cbc-icon {
    align-self: flex-start;
    margin-top: var(--space-sm);
  }
}

.cbc-content p {
  font-size: var(--fs-md);
  line-height: var(--lh-relaxed);
  color: var(--color-gray-700);
  margin-bottom: var(--space-md);
}

.cbc-content p:last-child {
  margin-bottom: 0;
}

/* Reviews highlight / rating display */
.reviews-highlight {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.rating-display {
  margin-bottom: var(--space-lg);
}

.rating-display .counter {
  font-family: var(--font-heading);
  font-size: var(--fs-5xl);
  font-weight: var(--fw-extrabold);
  color: var(--color-blue);
  display: block;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.rating-display p {
  font-size: var(--fs-lg);
  color: var(--color-gray-700);
}

.reviews-subtitle {
  font-size: var(--fs-md);
  color: var(--color-gray-500);
  font-style: italic;
}


/* ============================================================
   IMAGES — HERO AVATAR, SECTION IMAGES, ABOUT PHOTOS
   ============================================================ */
.hero__avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(245, 158, 11, 0.5);
  margin: 1.5rem auto 0;
  display: block;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(245, 158, 11, 0.15);
}

.section-image {
  max-width: 100%;
  width: 500px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  margin: 0 auto 2rem;
  display: block;
}

.about__photo {
  width: 100%;
  max-width: 400px;
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  object-fit: cover;
}

.about__classroom {
  width: 100%;
  max-width: 500px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  margin-top: 1.5rem;
}

.about__press {
  max-width: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  margin: 1rem 0;
}

.about__evaluations {
  max-width: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  margin: 1.5rem auto;
  display: block;
}

.video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  margin: 1rem 0;
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}


/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq-item {
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: var(--radius, 12px);
  margin-bottom: var(--space-3, 0.75rem);
  overflow: hidden;
  transition: box-shadow var(--transition, 0.3s ease);
}

.faq-item:hover {
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.1));
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-5, 1.25rem) var(--space-6, 1.5rem);
  background: none;
  border: none;
  font-family: var(--ff-heading, 'Poppins', sans-serif);
  font-size: var(--fs-md, 1.125rem);
  font-weight: 600;
  color: var(--color-text, #0f172a);
  cursor: pointer;
  text-align: left;
  gap: 1rem;
}

.faq-question::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 0.875rem;
  color: var(--color-primary, #2563eb);
  transition: transform var(--transition, 0.3s ease);
  flex-shrink: 0;
}

.faq-item.open .faq-question::after {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 var(--space-6, 1.5rem);
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding: 0 var(--space-6, 1.5rem) var(--space-5, 1.25rem);
}

.faq-answer p {
  color: var(--color-text-light, #334155);
  line-height: 1.7;
}


/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
  .nav,
  .hero__symbols,
  .footer__social,
  .nav__hamburger,
  .btn {
    display: none !important;
  }

  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }

  .section {
    padding: 1rem 0;
    page-break-inside: avoid;
  }
}