/* Frostbitten Vista Coaching - Creative Artistic CSS Theme */

/* =====================
   FONT IMPORTS
====================== */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700;900&family=Open+Sans:wght@400;600&display=swap');

:root {
  --color-primary: #18324C;
  --color-secondary: #F5F7FA;
  --color-accent: #3DB5D8;
  --color-accent2: #FF6F61;
  --color-accent3: #FFD166;
  --color-accent4: #6A4C93;
  --color-bg: #F5F7FA;
  --color-bg-dark: #18324C;
  --color-text: #18324C;
  --color-text-light: #fff;
  --color-card-bg: #fff;
  --color-shadow: rgba(24, 50, 76, 0.08);
  --color-shadow-strong: rgba(24, 50, 76, 0.16);
  --radius-lg: 32px;
  --radius-md: 18px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(.77,.2,.05,1.0);
  --font-display: 'Montserrat', Arial, sans-serif;
  --font-body: 'Open Sans', Arial, sans-serif;
}

html {
  box-sizing: border-box;
  font-size: 18px;
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  margin: 0;
  min-height: 100vh;
  line-height: 1.7;
  letter-spacing: 0.01em;
  overflow-x: hidden;
}

/* =====================
   LAYOUT CONTAINERS
====================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.content-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: none;
  border-radius: var(--radius-lg);
  position: relative;
}

/* =====================
   TYPOGRAPHY
====================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 900;
  margin: 0 0 12px 0;
  color: var(--color-primary);
  letter-spacing: 0.01em;
}
h1 {
  font-size: 2.6rem;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2), var(--color-accent3), var(--color-accent4));
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
}
h2 {
  font-size: 2rem;
  color: var(--color-accent4);
  margin-bottom: 10px;
}
h3 {
  font-size: 1.3rem;
  color: var(--color-accent);
  font-weight: 700;
}
h4, h5, h6 {
  font-size: 1.1rem;
  color: var(--color-primary);
}
p, ul, ol {
  font-family: var(--font-body);
  font-size: 1rem;
  margin: 0 0 16px 0;
  color: var(--color-primary);
}
ul, ol {
  padding-left: 24px;
}
li {
  margin-bottom: 8px;
}
strong {
  font-weight: 700;
  color: var(--color-accent4);
}
a {
  color: var(--color-accent);
  text-decoration: underline;
  transition: color var(--transition);
}
a:hover, a:focus {
  color: var(--color-accent2);
  text-decoration: none;
}

/* Artistic font for headings */
h1, h2 {
  font-family: 'Montserrat', Arial, sans-serif;
  letter-spacing: 0.03em;
}

/* =====================
   HEADER & NAVIGATION
====================== */
header {
  background: var(--color-primary);
  color: var(--color-text-light);
  padding: 0;
  box-shadow: 0 4px 24px var(--color-shadow-strong);
  position: sticky;
  top: 0;
  z-index: 100;
}
header .container {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 80px;
}
header img {
  height: 48px;
  width: auto;
  margin-right: 24px;
}
.main-nav {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 28px;
}
.main-nav a {
  color: var(--color-text-light);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  padding: 8px 0;
  position: relative;
  transition: color var(--transition);
}
.main-nav a:after {
  content: '';
  display: block;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
  border-radius: 2px;
  transition: width var(--transition);
  margin-top: 3px;
}
.main-nav a:hover, .main-nav a:focus {
  color: var(--color-accent3);
}
.main-nav a:hover:after, .main-nav a:focus:after {
  width: 100%;
}

.cta-btn {
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2), var(--color-accent3));
  color: var(--color-text-light);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.1rem;
  border: none;
  border-radius: var(--radius-md);
  padding: 12px 32px;
  margin-left: 24px;
  box-shadow: 0 4px 16px var(--color-shadow);
  cursor: pointer;
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  z-index: 1;
}
.cta-btn:hover, .cta-btn:focus {
  background: linear-gradient(90deg, var(--color-accent2), var(--color-accent3), var(--color-accent4));
  transform: translateY(-2px) scale(1.04) rotate(-1deg);
  box-shadow: 0 8px 32px var(--color-shadow-strong);
}

/* Hamburger menu button */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-accent3);
  font-size: 2.2rem;
  cursor: pointer;
  margin-left: 18px;
  transition: color var(--transition), transform var(--transition);
  z-index: 120;
}
.mobile-menu-toggle:active {
  color: var(--color-accent2);
  transform: scale(1.1) rotate(10deg);
}

/* =====================
   MOBILE MENU OVERLAY
====================== */
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(120deg, var(--color-accent) 60%, var(--color-accent4) 100%);
  color: var(--color-text-light);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 0;
  transform: translateX(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.5s cubic-bezier(.77,.2,.05,1.0), opacity 0.3s;
}
.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-close {
  background: none;
  border: none;
  color: var(--color-text-light);
  font-size: 2.2rem;
  align-self: flex-end;
  margin: 24px 32px 0 0;
  cursor: pointer;
  transition: color var(--transition), transform var(--transition);
}
.mobile-menu-close:hover, .mobile-menu-close:focus {
  color: var(--color-accent3);
  transform: scale(1.1) rotate(10deg);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin: 48px 0 0 40px;
}
.mobile-nav a {
  color: var(--color-text-light);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: color var(--transition), text-shadow var(--transition);
  text-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--color-accent3);
  text-shadow: 0 4px 16px var(--color-accent4);
}

/* =====================
   HERO & SECTIONS
====================== */
section {
  margin-bottom: 60px;
  padding: 40px 20px;
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, var(--color-secondary) 80%, #eaf6fb 100%);
  box-shadow: 0 4px 24px var(--color-shadow);
  position: relative;
}
section:nth-child(even) {
  background: linear-gradient(120deg, #eaf6fb 80%, var(--color-secondary) 100%);
}

/* Artistic brush stroke accent for hero */
section:first-of-type {
  background: linear-gradient(120deg, var(--color-accent3) 0%, var(--color-secondary) 80%);
  box-shadow: 0 8px 32px var(--color-shadow-strong);
  position: relative;
  overflow: hidden;
}
section:first-of-type:before {
  content: '';
  position: absolute;
  top: -40px; left: -60px;
  width: 220px; height: 120px;
  background: url('../assets/brushstroke.svg') no-repeat center/contain;
  opacity: 0.18;
  z-index: 0;
}

/* =====================
   FLEXBOX LAYOUTS
====================== */
.feature-grid, .card-container, .content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
}
.card-container {
  gap: 24px;
}
.card {
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 12px var(--color-shadow);
  margin-bottom: 20px;
  padding: 28px 24px;
  position: relative;
  min-width: 260px;
  flex: 1 1 320px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover, .card:focus-within {
  box-shadow: 0 8px 32px var(--color-shadow-strong);
  transform: translateY(-4px) scale(1.03) rotate(-1deg);
}
.content-grid {
  gap: 20px;
  justify-content: space-between;
}
.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.text-image-section img {
  border-radius: var(--radius-md);
  box-shadow: 0 4px 24px var(--color-shadow-strong);
  max-width: 320px;
  width: 100%;
  height: auto;
  object-fit: cover;
  margin-bottom: 0;
}
.text-image-section > div {
  flex: 1 1 320px;
}

.testimonial-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: linear-gradient(90deg, #fff 80%, #eaf6fb 100%);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 12px var(--color-shadow);
  margin-bottom: 20px;
  font-size: 1.1rem;
  color: var(--color-primary);
  transition: box-shadow var(--transition), transform var(--transition);
}
.testimonial-card:hover, .testimonial-card:focus-within {
  box-shadow: 0 8px 32px var(--color-shadow-strong);
  transform: translateY(-2px) scale(1.02);
}
.testimonial-card p {
  color: var(--color-primary);
  font-style: italic;
  margin: 0 0 0 0;
}
.testimonial-card strong {
  color: var(--color-accent4);
  font-weight: 700;
  margin-left: 12px;
  font-size: 1rem;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  background: var(--color-card-bg);
  border-radius: var(--radius-sm);
  padding: 18px 16px;
  box-shadow: 0 2px 8px var(--color-shadow);
  margin-bottom: 20px;
}

.category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
}
.category-tags a {
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
  color: var(--color-text-light);
  border-radius: var(--radius-sm);
  padding: 6px 18px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 8px var(--color-shadow);
}
.category-tags a:hover, .category-tags a:focus {
  background: linear-gradient(90deg, var(--color-accent2), var(--color-accent3));
  color: var(--color-primary);
  box-shadow: 0 4px 16px var(--color-shadow-strong);
}

/* =====================
   FOOTER
====================== */
footer {
  background: var(--color-primary);
  color: var(--color-text-light);
  padding: 40px 0 24px 0;
  margin-top: 60px;
}
footer .container {
  flex-direction: column;
  align-items: center;
  gap: 18px;
}
.footer-nav {
  display: flex;
  flex-direction: row;
  gap: 28px;
  margin-bottom: 10px;
}
.footer-nav a {
  color: var(--color-accent3);
  font-family: var(--font-display);
  font-size: 1rem;
  text-decoration: none;
  transition: color var(--transition);
}
.footer-nav a:hover, .footer-nav a:focus {
  color: var(--color-accent2);
}
footer p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin: 0;
}

/* =====================
   BUTTONS & INTERACTIONS
====================== */
button, .cta-btn {
  outline: none;
}
button:focus-visible, .cta-btn:focus-visible {
  outline: 2px solid var(--color-accent2);
  outline-offset: 2px;
}

/* =====================
   COOKIE CONSENT BANNER
====================== */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
  color: var(--color-text-light);
  padding: 24px 20px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 32px;
  z-index: 3000;
  box-shadow: 0 -4px 24px var(--color-shadow-strong);
  opacity: 0;
  pointer-events: none;
  transform: translateY(100%);
  transition: opacity 0.4s, transform 0.5s cubic-bezier(.77,.2,.05,1.0);
}
.cookie-banner.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.cookie-banner p {
  margin: 0;
  font-size: 1rem;
  color: var(--color-text-light);
}
.cookie-banner .cookie-btn {
  background: var(--color-card-bg);
  color: var(--color-primary);
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 22px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  margin-left: 12px;
  margin-right: 0;
  cursor: pointer;
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.cookie-banner .cookie-btn.accept {
  background: linear-gradient(90deg, var(--color-accent3), var(--color-accent2));
  color: var(--color-primary);
}
.cookie-banner .cookie-btn.reject {
  background: linear-gradient(90deg, var(--color-accent2), var(--color-accent4));
  color: var(--color-text-light);
}
.cookie-banner .cookie-btn.settings {
  background: var(--color-card-bg);
  color: var(--color-accent4);
  border: 2px solid var(--color-accent4);
}
.cookie-banner .cookie-btn:hover, .cookie-banner .cookie-btn:focus {
  box-shadow: 0 4px 16px var(--color-shadow-strong);
  background: var(--color-accent3);
  color: var(--color-primary);
}

/* Cookie Modal */
.cookie-modal {
  position: fixed;
  left: 0; right: 0; top: 0; bottom: 0;
  background: rgba(24,50,76,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 4000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}
.cookie-modal.open {
  opacity: 1;
  pointer-events: auto;
}
.cookie-modal-content {
  background: var(--color-card-bg);
  color: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 40px 32px 32px 32px;
  min-width: 320px;
  max-width: 95vw;
  box-shadow: 0 8px 32px var(--color-shadow-strong);
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
  animation: cookieModalIn 0.5s cubic-bezier(.77,.2,.05,1.0);
}
@keyframes cookieModalIn {
  from { transform: translateY(60px) scale(0.95); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}
.cookie-modal-content h2 {
  color: var(--color-accent4);
  font-size: 1.5rem;
  margin-bottom: 12px;
}
.cookie-modal-content .cookie-category {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}
.cookie-modal-content label {
  font-size: 1rem;
  color: var(--color-primary);
  font-weight: 600;
}
.cookie-modal-content input[type="checkbox"] {
  accent-color: var(--color-accent2);
  width: 20px;
  height: 20px;
}
.cookie-modal-content .cookie-modal-actions {
  display: flex;
  flex-direction: row;
  gap: 18px;
  justify-content: flex-end;
  margin-top: 12px;
}
.cookie-modal-content .cookie-btn {
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
  color: var(--color-text-light);
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 22px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.cookie-modal-content .cookie-btn:hover, .cookie-modal-content .cookie-btn:focus {
  background: linear-gradient(90deg, var(--color-accent2), var(--color-accent3));
  color: var(--color-primary);
  box-shadow: 0 4px 16px var(--color-shadow-strong);
}
.cookie-modal-close {
  position: absolute;
  top: 18px; right: 24px;
  background: none;
  border: none;
  color: var(--color-accent4);
  font-size: 1.6rem;
  cursor: pointer;
  transition: color var(--transition), transform var(--transition);
}
.cookie-modal-close:hover, .cookie-modal-close:focus {
  color: var(--color-accent2);
  transform: scale(1.1) rotate(10deg);
}

/* =====================
   RESPONSIVE DESIGN
====================== */
@media (max-width: 1024px) {
  .container {
    max-width: 900px;
  }
  .feature-grid, .card-container, .content-grid {
    gap: 16px;
  }
}
@media (max-width: 900px) {
  .container {
    max-width: 98vw;
  }
  .main-nav {
    gap: 18px;
  }
  .footer-nav {
    gap: 16px;
  }
}
@media (max-width: 768px) {
  html {
    font-size: 16px;
  }
  header .container {
    flex-direction: row;
    gap: 10px;
    min-height: 64px;
  }
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .cta-btn {
    margin-left: 0;
    padding: 10px 18px;
    font-size: 1rem;
  }
  .container {
    padding: 0 10px;
  }
  section {
    padding: 28px 8px;
    margin-bottom: 36px;
  }
  .feature-grid, .card-container, .content-grid {
    flex-direction: column;
    gap: 18px;
  }
  .text-image-section {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
  .text-image-section img {
    max-width: 100%;
    margin-bottom: 0;
  }
  .testimonial-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 16px;
  }
  .footer-nav {
    flex-direction: column;
    gap: 8px;
    align-items: center;
  }
  .cookie-banner {
    flex-direction: column;
    gap: 18px;
    padding: 18px 8px;
    font-size: 0.95rem;
  }
  .cookie-modal-content {
    padding: 24px 10px 18px 10px;
    min-width: 0;
    width: 95vw;
  }
}
@media (max-width: 480px) {
  h1 {
    font-size: 1.5rem;
  }
  h2 {
    font-size: 1.1rem;
  }
  .cta-btn {
    font-size: 0.95rem;
    padding: 8px 12px;
  }
  .cookie-banner {
    font-size: 0.9rem;
  }
}

/* =====================
   ARTISTIC ELEMENTS
====================== */
/* Artistic underline for h2 */
h2 {
  position: relative;
  display: inline-block;
  z-index: 1;
}
h2:after {
  content: '';
  display: block;
  width: 60%;
  height: 8px;
  background: linear-gradient(90deg, var(--color-accent2), var(--color-accent3), var(--color-accent4));
  border-radius: 4px;
  position: absolute;
  left: 0; bottom: -6px;
  opacity: 0.18;
  z-index: -1;
}

/* Artistic card border accent */
.card, .testimonial-card, .feature-item {
  border-left: 6px solid var(--color-accent2);
  border-image: linear-gradient(180deg, var(--color-accent2), var(--color-accent4)) 1;
}

/* Micro-interactions for links */
a, .cta-btn, .cookie-btn, .category-tags a {
  transition: color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition);
}

/* =====================
   MISCELLANEOUS
====================== */
::-webkit-scrollbar {
  width: 10px;
  background: var(--color-secondary);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(120deg, var(--color-accent2), var(--color-accent4));
  border-radius: 8px;
}

/* =====================
   ACCESSIBILITY
====================== */
:focus {
  outline: 2px solid var(--color-accent2);
  outline-offset: 2px;
}

/* =====================
   NO GRID, NO COLUMNS
====================== */
/* (All layouts use only flexbox as required) */