/* FrostySkill Sophisticated Monochrome CSS - Mobile First, Flexbox-only, No Grid */

/* ==========================
   0. CSS RESET/NORMALIZE
   ========================== */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b,u,i,center, dl, dt, dd, ol, ul, li,
fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
  box-sizing: border-box;
}
html {
  box-sizing: border-box;
  height: 100%;
  font-size: 16px;
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}
body {
  min-height: 100vh;
  font-family: 'Roboto', Arial, sans-serif;
  background: #fff;
  color: #171717;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}
img {
  max-width: 100%;
  height: auto;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}
ul, ol {
  list-style: none;
}
button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  background: none;
  outline: none;
  appearance: none;
}
button { cursor: pointer; }

/* ==========================
   1. BRAND VARIABLES
   ========================== */
:root {
  --color-primary: #232F3E;
  --color-secondary: #3AD6EF;
  --color-accent: #FFF;
  --color-bg: #ffffff;
  --color-heading: #111117;
  --color-text: #171717;
  --color-card-bg: #fcfcfc;
  --color-grey: #e9e9e9;
  --color-grey-dark: #222328;
  --color-border: #d5d7db;
  --color-shadow: rgba(30,32,37,0.10);
  --color-shadow-strong: rgba(30,32,37,0.14);
  --font-display: 'Montserrat', Arial, sans-serif;
  --font-body: 'Roboto', Arial, sans-serif;
}

/* ==========================
   2. TYPOGRAPHY
   ========================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-heading);
  letter-spacing: -0.01em;
  font-weight: 700;
  line-height: 1.13;
}
h1 { font-size: 2.25rem; margin-bottom: 0.65em; }
h2 { font-size: 1.65rem; margin-bottom: 0.7em; }
h3 { font-size: 1.15rem; margin-bottom: 0.5em; }
h4, h5, h6 { font-size: 1rem; }
p, ul, ol, li, span, label {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 1em;
  line-height: 1.8;
}
p:last-child, ul:last-child, ol:last-child { margin-bottom: 0; }
strong, b {
  font-weight: 700;
  color: var(--color-primary);
}
em, i {
  font-style: italic;
}
blockquote {
  margin: 0 0 0.75em 0;
  padding-left: 1.25em;
  border-left: 3px solid var(--color-primary);
  color: var(--color-grey-dark);
  font-style: italic;
  font-size: 1.1em;
}

/* Links in headings */
h1 a, h2 a, h3 a, h4 a { color: var(--color-primary); transition: color 0.15s; }
h1 a:hover, h2 a:hover, h3 a:hover { color: var(--color-secondary); }

/* ==========================
   3. CONTAINERS & LAYOUT
   ========================== */
.container {
  width: 100%;
  max-width: 1130px;
  margin: 0 auto;
  padding-left: 18px;
  padding-right: 18px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.section {
  margin-bottom: 60px;
  padding: 40px 20px;
}
.content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 28px;
  align-items: flex-start;
}

/* Card system for general use */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 32px;
}
.card {
  margin-bottom: 20px;
  background: var(--color-card-bg);
  border-radius: 18px;
  box-shadow: 0 2px 16px 0 var(--color-shadow);
  border: 1px solid var(--color-border);
  position: relative;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  min-width: 230px;
  transition: box-shadow 0.22s, transform 0.2s;
}
.card:hover {
  box-shadow: 0 6px 32px 2px var(--color-shadow-strong);
  transform: translateY(-2px) scale(1.013);
}

/* Flex grid for multi-column features */
.content-grid,
.features-grid,
.support-topics,
.blog-list,
.faq {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
}
.features-grid > div,
.support-topics > div {
  background: var(--color-card-bg);
  border-radius: 16px;
  box-shadow: 0 2px 12px 0 var(--color-shadow);
  border: 1px solid var(--color-border);
  flex: 1 1 240px;
  min-width: 210px;
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: box-shadow .22s, transform .12s;
  margin-bottom: 20px;
}
.features-grid > div:hover,
.support-topics > div:hover {
  box-shadow: 0 7px 30px 3px var(--color-shadow-strong);
  transform: translateY(-3px) scale(1.015);
}

/* Text-image flex sections */
.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}

/* Stats in a row */
.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin-top: 18px;
}
.stats > div {
  background: #fafcff;
  border-radius: 12px;
  box-shadow: 0px 1px 9px 0 var(--color-shadow);
  padding: 20px 35px;
  flex: 1 1 180px;
  text-align: center;
  min-width: 120px;
  font-family: var(--font-display);
  font-size: 1.06rem;
}
.stats strong {
  font-size: 2rem;
  color: var(--color-primary);
}

/* ==========================
   4. BUTTONS & CTA
   ========================== */
.cta.primary, .cta.primary:visited {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-primary);
  color: var(--color-accent);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  padding: 12px 30px;
  border-radius: 32px;
  transition: background 0.2s, color 0.17s, transform 0.12s;
  letter-spacing: 0.02em;
  border: none;
  box-shadow: 0 2px 10px 0 var(--color-shadow);
}
.cta.primary:hover, .cta.primary:focus {
  background: var(--color-secondary);
  color: #222;
  transform: translateY(-1.5px) scale(1.02);
  box-shadow: 0 5px 20px 0 var(--color-shadow-strong);
}

/* Secondary buttons/inverted */
button,
.cta.secondary {
  display: inline-flex;
  align-items: center;
  background: #fff;
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 100px;
  border: 1.5px solid var(--color-primary);
  padding: 11px 24px;
  box-shadow: 0 1px 6px 0 var(--color-shadow);
  transition: background 0.16s, color 0.12s, border 0.14s;
}
button:hover, .cta.secondary:hover, button:focus, .cta.secondary:focus {
  background: var(--color-primary);
  color: var(--color-accent);
  border-color: var(--color-secondary);
}

/* ==========================
   5. HEADER & NAVIGATION
   ========================== */
header {
  width: 100%;
  background: #fff;
  border-bottom: 1.5px solid var(--color-grey);
  padding-top: 0px;
  padding-bottom: 0px;
  position: relative;
  z-index: 50;
}
header .container {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 0px;
  padding-top: 18px;
  padding-bottom: 18px;
}
.logo img {
  height: 43px;
  width: auto;
  display: block;
}

.main-nav {
  display: flex;
  gap: 18px;
  align-items: center;
}
.main-nav a {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-primary);
  padding: 8px 0 8px 0;
  position: relative;
  border-radius: 5px;
  transition: color 0.18s, background 0.12s;
}
.main-nav a.cta.primary {
  margin-left: 13px !important;
}
.main-nav a:hover, .main-nav a:focus {
  color: var(--color-secondary);
  background: #f3f7fc;
}

/* Hamburger menu button */
.mobile-menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-accent);
  font-size: 2rem;
  padding: 6px 20px 6px 16px;
  margin-left: 16px;
  border: none;
  border-radius: 5px;
  box-shadow: 0 2px 10px 0 var(--color-shadow);
  transition: background 0.18s, color 0.15s;
  z-index: 1201;
}
.mobile-menu-toggle:hover, .mobile-menu-toggle:focus {
  background: var(--color-secondary);
  color: #232f3e;
  outline: none;
}

/* Mobile menu overlay */
.mobile-menu {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(17, 17, 23, 0.93);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  transform: translateX(-100vw);
  transition: transform 0.42s cubic-bezier(.59,.01,.5,1.22);
  z-index: 1800;
  padding: 0;
}
.mobile-menu.menu-open {
  transform: translateX(0);
}
.mobile-menu-close {
  color: var(--color-accent);
  background: transparent;
  font-size: 2.4rem;
  border: none;
  margin: 19px 0 0 24px;
  transition: color 0.14s;
  align-self: flex-start;
  z-index: 1900;
}
.mobile-menu-close:hover, .mobile-menu-close:focus {
  color: var(--color-secondary);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin: 39px 0 0 38px;
}
.mobile-nav a {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 1.25rem;
  padding: 9px 8px 9px 0;
  border-radius: 5px;
  transition: color 0.18s, background 0.13s;
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--color-secondary);
  background: rgba(255,255,255,0.05);
}

/* Only show burger on mobile */
@media (min-width: 992px) {
  .mobile-menu-toggle { display: none; }
  .mobile-menu { display: none !important; }
  .main-nav { display: flex !important; }
}
@media (max-width: 991px) {
  .main-nav { display: none !important; }
  .mobile-menu-toggle { display: inline-flex !important; }
  .mobile-menu { display: flex; }
}

/* ==========================
   6. BLOG, FAQ, CARDS, TABLE, ETC.
   ========================== */
.blog-list {
  flex-direction: column;
  gap: 34px;
}
.blog-list article {
  background: var(--color-card-bg);
  border-radius: 15px;
  border: 1px solid var(--color-border);
  box-shadow: 0 1px 7px 0 var(--color-shadow);
  padding: 30px 20px 22px 22px;
  margin-bottom: 20px;
  transition: box-shadow 0.17s, background 0.12s;
}
.blog-list article:hover {
  background: #f7f7f7;
  box-shadow: 0 7px 35px 0 var(--color-shadow);
}

.product-categories,
.comparison-table,
.text-section {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 19px;
}
.product-categories ul,
.text-section ul,
.text-section ol {
  margin-left: 1.2em;
  margin-bottom: 1em;
  padding-left: 0.6em;
  list-style: disc outside;
}
.text-section ul[style], .text-section ul[style="list-style:none;padding:0;"] {
  list-style: none!important;
  margin-left: 0;
  padding-left: 0;
}
.comparison-table table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}
.comparison-table th, .comparison-table td {
  padding: 12px 8px;
  text-align: left;
  border-bottom: 1.5px solid var(--color-border);
  font-size: 1rem;
}
.comparison-table th {
  font-family: var(--font-display);
  color: var(--color-primary);
  background: #f7f7f7;
}
.comparison-table tr:last-child td {
  border-bottom: none;
}
/* FAQ */
.faq {
  flex-direction: column;
  gap: 24px;
}
.faq > div {
  background: var(--color-card-bg);
  border-radius: 14px;
  border: 1px solid var(--color-border);
  box-shadow: 0 1px 7px 0 var(--color-shadow);
  padding: 22px 20px;
}
.faq h3 {
  margin-bottom: 0.3em;
  color: var(--color-primary);
}
.support-topics {
  flex-direction: column;
  gap: 26px;
}
.support-topics > div { align-items: flex-start; }

/* ==========================
   7. TESTIMONIALS & FEATURE ITEMS
   ========================== */
.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 22px 18px 28px;
  background: #fff;
  border-left: 3.5px solid var(--color-primary);
  border-radius: 13px;
  box-shadow: 0 4px 16px 0 var(--color-shadow-strong);
  margin-bottom: 24px;
}
.testimonial-card .stars {
  font-size: 1.38rem;
  letter-spacing: 0.09em;
  color: #111;
  font-family: var(--font-display);
}
.testimonial-card blockquote {
  color: #141414;
  border: none;
  padding-left: 0;
}
.testimonial-card footer {
  font-size: 1rem;
  color: #363636;
  font-style: normal;
  margin-top: 0.7em;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 20px 0 var(--color-shadow);
  border: 1px solid var(--color-border);
  padding: 24px 20px;
}

/* ==========================
   8. FOOTER
   ========================== */
footer {
  width: 100%;
  background: #171A1F;
  color: #fff;
  padding-top: 32px;
  padding-bottom: 28px;
}
footer .container {
  flex-direction: row;
  align-items: start;
  justify-content: space-between;
  gap: 55px;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
}
.footer-nav a {
  color: #eaeaea;
  font-family: var(--font-display);
  font-size: 1rem;
  opacity: 0.85;
  transition: color 0.19s, opacity 0.17s;
  padding: 3px 0;
  border-radius: 4px;
  width: fit-content;
}
.footer-nav a:hover,
.footer-nav a:focus {
  color: var(--color-secondary);
  opacity: 1;
  background: rgba(255,255,255,0.06);
}
.footer-contact {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 19px;
}
.footer-logo {
  height: 37px;
  margin-top: 8px;
  margin-right: 6px;
}
.footer-contact strong {
  color: #fff;
}
.footer-contact a, .footer-contact a:visited {
  color: var(--color-secondary);
  font-weight: 600;
  text-decoration: underline;
  font-size: 1rem;
}
.footer-contact a:hover { color: #fff; }

/* ==========================
   9. RESPONSIVE DESIGN
   ========================== */
@media (max-width: 1190px) {
  .container { max-width: 1003px; }
}
@media (max-width: 1050px) {
  .container { max-width: 850px; }
  .footer-contact { flex-direction: column; gap: 10px; }
}
@media (max-width: 850px) {
  .container { max-width: 97vw; padding-left: 10px; padding-right: 10px; }
  .content-wrapper { gap: 21px; }
}
@media (max-width: 768px) {
  .container { max-width: 97vw; padding-left: 8px; padding-right: 8px; }
  .section {
    margin-bottom: 42px;
    padding: 28px 6px;
  }
  .content-wrapper { gap: 14px; }
  .stats { gap: 15px; margin-top: 8px; }
  .stats > div { padding: 14px 10px; font-size: 0.95rem; }
  .features-grid, .content-grid, .support-topics {
    flex-direction: column;
    gap: 15px;
  }
  .features-grid > div, .support-topics > div {
    min-width: 0;
    width: 100%;
    padding: 16px 11px;
  }
  .testimonial-card {
    padding: 13px 11px 10px 11px;
    margin-bottom: 14px;
  }
  .stats > div strong { font-size: 1.4rem; }
  .blog-list article {
    padding: 18px 6px 11px 9px;
  }
  footer .container { flex-direction: column; gap: 26px; }
  .footer-contact { flex-direction: column; gap: 9px; }
  .footer-logo { margin-top: 2px; }
  .product-categories, .comparison-table, .text-section { gap: 9px; }
}
@media (max-width: 540px) {
  h1 { font-size: 1.42rem; }
  h2 { font-size: 1.14rem; }
  .cta.primary, .cta.secondary,
  button { padding: 13px 14px; font-size: .98rem; }
}

.text-image-section {
  flex-direction: column;
  gap: 20px;
  align-items: center;
}
@media (min-width: 769px) {
  .text-image-section { flex-direction: row; align-items: center; gap: 30px; }
}

/* ==========================
   10. COOKIE CONSENT BANNER
   ========================== */
.cookie-banner {
  position: fixed;
  left: 0; right: 0;
  bottom: 0;
  width: 100vw;
  background: #232F3E;
  color: var(--color-accent);
  padding: 24px 24px 18px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 -2px 18px 0 var(--color-shadow-strong);
  z-index: 2300;
  transition: transform 0.33s cubic-bezier(.51,-0.01,.32,1); /* smooth in/out */
  gap: 17px;
}
.cookie-banner span {
  color: #e9e9e9;
}
.cookie-banner.hide {
  transform: translateY(100%);
}
.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.cookie-banner button,
.cookie-banner .cta {
  background: var(--color-secondary);
  color: var(--color-primary);
  border: none;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: 100px;
  margin: 0;
  cursor: pointer;
  transition: background 0.14s, color 0.12s;
}
.cookie-banner button:hover, .cookie-banner .cta:hover, .cookie-banner button:focus {
  background: #fff;
  color: var(--color-primary);
}
.cookie-banner .settings {
  background: #fff;
  color: var(--color-primary);
}
.cookie-banner .settings:hover, .cookie-banner .settings:focus {
  background: var(--color-secondary);
  color: var(--color-primary);
}

/* Cookie settings modal */
.cookie-modal {
  display: none;
  position: fixed;
  left: 0; right: 0; top: 0; bottom: 0;
  background: rgba(30,32,37,0.70);
  z-index: 2500;
  align-items: flex-end;
  justify-content: center;
}
.cookie-modal.open {
  display: flex;
}
.cookie-modal__dialog {
  background: #fff;
  border-radius: 18px 18px 0 0;
  box-shadow: 0 4px 40px 0 var(--color-shadow-strong);
  max-width: 97vw;
  width: 420px;
  padding: 34px 26px 26px 26px;
  margin-bottom: 0;
  animation: slideUpC 0.42s cubic-bezier(.53,-0.01,.38,1) 1;
}
@keyframes slideUpC {
  from { transform: translateY(200px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.cookie-modal__dialog h2 {
  color: var(--color-primary);
  font-size: 1.25rem;
  margin-bottom: 0.73em;
}
.cookie-categories {
  display: flex;
  flex-direction: column;
  gap: 19px;
}
.cookie-category {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 16px;
  background: #f6f6f9;
  border-radius: 8px;
  padding: 13px 14px;
}
.cookie-category label {
  font-family: var(--font-body);
  color: #1b1e23;
  flex: 1;
}
.cookie-category input[type=checkbox] {
  accent-color: var(--color-primary);
}
.cookie-category .always-enabled {
  color: var(--color-secondary);
  font-weight: 700;
  font-size: .88rem;
  margin-left: 8px;
}
.cookie-modal__actions {
  display: flex;
  gap: 19px;
  margin-top: 34px;
  justify-content: flex-end;
}
.cookie-modal__actions button {
  background: var(--color-primary);
  color: #fff;
  font-size: 1rem;
  padding: 11px 24px;
  border-radius: 100px;
  border: none;
}
.cookie-modal__actions button:hover, .cookie-modal__actions button:focus {
  background: var(--color-secondary);
  color: var(--color-primary);
}

@media (max-width: 540px) {
  .cookie-modal__dialog {
    width: 97vw;
    padding: 23px 7px 13px 10px;
  }
  .cookie-category {
    padding: 10px 7px;
    gap: 8px;
  }
}

/* ==========================
   11. MICRO-INTERACTIONS & UTILS
   ========================== */
::-webkit-scrollbar {
  width: 10px;
  background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--color-grey);
  border-radius: 6px;
}
::-webkit-input-placeholder { color: #999!important; }
::-moz-placeholder { color: #999!important; }
:-ms-input-placeholder { color: #999!important; }
::placeholder { color: #999!important; }

/* Form elements */
input[type="text"], input[type="email"], textarea {
  background: #f9fafd;
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text);
  padding: 13px 17px;
  font-size: 1rem;
  margin-bottom: 15px;
  transition: border 0.14s, box-shadow 0.15s;
  box-shadow: 0 1px 7px 0 var(--color-shadow);
}
input[type="text"]:focus,
input[type="email"]:focus, textarea:focus {
  border-color: var(--color-primary);
  outline: none;
  background: #fff;
}

/* ==========================
   12. MISCELLANEOUS & OVERRIDES
   ========================== */
.video-placeholder {
  border-radius: 12px;
  box-shadow: 0 2px 10px 0 var(--color-shadow);
  background: #f7fafe;
  color: #232F3E;
}

/* Tables on mobile horizontal scroll */
@media (max-width: 650px) {
  .comparison-table table {
    min-width: 466px;
    display: block;
    overflow-x: auto;
  }
}

/* Extra spacing for clarity on cards, sections */
section {
  margin-bottom: 60px;
  padding: 40px 20px;
}

/* ==========================
   13. VISUAL HIERARCHY
   ========================== */
section {
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 2px 18px 0 var(--color-shadow);
  margin-bottom: 60px;
  padding: 40px 20px;
}

/* ==========================
   14. PRINT OPTIMIZATION
   ========================== */
@media print {
  header, footer, .main-nav, .mobile-menu, .cookie-banner, .cookie-modal { display: none !important; }
  section, .section { 
    box-shadow: none !important; 
    background: #fff !important; 
    border: none !important;
  }
}