/* =========================================================
   VARIABLES
========================================================= */

:root {
  --bg: #f4f7fa;
  --bg-alt: #edf3f7;

  --surface: #ffffff;
  --surface-soft: #f2f6f9;

  --text: #152331;
  --text-dark: #0b1f33;
  --muted: #5d6e7d;

  --line: #dce4ea;

  --brand: #0b4f78;
  --brand-dark: #0b1f33;
  --brand-dark-2: #102a42;

  --accent: #1688c7;
  --accent-light: #42b4f1;
  --accent-soft: #e6f4fb;

  --green: #38c98d;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;

  --shadow-sm:
    0 8px 24px rgba(11, 31, 51, 0.06);

  --shadow:
    0 18px 50px rgba(11, 31, 51, 0.10);

  --shadow-lg:
    0 30px 80px rgba(5, 19, 31, 0.17);

  --max: 1220px;

  --transition:
    180ms cubic-bezier(.2, .7, .3, 1);
}


/* =========================================================
   RESET
========================================================= */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;

  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif;

  color: var(--text);

  background:
    linear-gradient(
      180deg,
      #f8fafc 0,
      var(--bg) 420px
    );

  font-size: 17px;
  line-height: 1.65;

  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body,
button,
input,
textarea {
  font-family: inherit;
}

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

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

button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}

::selection {
  color: #fff;
  background: var(--accent);
}


/* =========================================================
   ACCESSIBILITY
========================================================= */

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(66, 180, 241, 0.55);
  outline-offset: 4px;
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }

}


/* =========================================================
   CONTAINER
========================================================= */

.container {
  width: min(
    calc(100% - 48px),
    var(--max)
  );

  margin-inline: auto;
}


/* =========================================================
   HEADER
========================================================= */

.header {
  position: relative;
  overflow: hidden;

  color: #fff;

  background:
    radial-gradient(
      circle at 76% 16%,
      rgba(22, 136, 199, 0.22),
      transparent 32%
    ),
    radial-gradient(
      circle at 10% 88%,
      rgba(39, 110, 151, 0.18),
      transparent 34%
    ),
    linear-gradient(
      145deg,
      #081929 0%,
      var(--brand-dark) 48%,
      #102e47 100%
    );
}

.header::after {
  content: "";

  position: absolute;
  right: -120px;
  bottom: -210px;

  width: 560px;
  height: 560px;

  border:
    1px solid
    rgba(255, 255, 255, 0.04);

  border-radius: 50%;

  pointer-events: none;
}

.header-glow {
  position: absolute;

  top: 120px;
  right: 7%;

  width: 340px;
  height: 340px;

  border-radius: 50%;

  background:
    rgba(27, 152, 220, 0.09);

  filter: blur(85px);

  pointer-events: none;
}


/* =========================================================
   NAVIGATION
========================================================= */

.nav {
  position: relative;
  z-index: 20;

  min-height: 82px;

  display: flex;
  align-items: center;

  gap: 24px;

  border-bottom:
    1px solid
    rgba(255, 255, 255, 0.08);
}


/* Brand */

.brand {
  flex: 0 0 auto;

  display: flex;
  align-items: center;

  gap: 13px;

  transition:
    opacity var(--transition);
}

.brand:hover {
  opacity: 0.92;
}

.brand-mark {
  width: 44px;
  height: 44px;

  display: grid;
  place-items: center;

  border-radius: 12px;

  color: var(--brand-dark);

  background:
    linear-gradient(
      145deg,
      #ffffff,
      #ddecf4
    );

  box-shadow:
    0 8px 25px
    rgba(0, 0, 0, 0.16);

  font-size: 20px;
  font-weight: 900;

  letter-spacing: -0.04em;
}

.brand-text {
  display: flex;
  flex-direction: column;

  line-height: 1.05;
}

.brand-text strong {
  color: #fff;

  font-size: 19px;
  font-weight: 800;

  letter-spacing: -0.02em;
}

.brand-text small {
  margin-top: 7px;

  color: #9eb1c1;

  font-size: 13px;
  font-weight: 650;

  line-height: 1.3;

  letter-spacing: 0.025em;
}


/* Desktop nav */

.nav-links {
  margin-left: auto;

  display: flex;
  align-items: center;

  gap: 6px;
}

.nav-links a {
  position: relative;

  padding: 11px 13px;

  border-radius: 9px;

  color: #c4d0da;

  font-size: 15px;
  font-weight: 650;

  transition:
    color var(--transition),
    background var(--transition);
}

.nav-links a:hover {
  color: #fff;

  background:
    rgba(255, 255, 255, 0.06);
}


/* Authorization */

.auth {
  display: flex;
  align-items: center;

  gap: 9px;
}


/* =========================================================
   BUTTONS
========================================================= */

.btn {
  min-height: 46px;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  gap: 10px;

  padding: 0 19px;

  border:
    1px solid transparent;

  border-radius: 10px;

  font-size: 16px;
  font-weight: 750;

  line-height: 1;

  white-space: nowrap;

  cursor: pointer;

  transition:
    transform var(--transition),
    background-color var(--transition),
    border-color var(--transition),
    color var(--transition),
    box-shadow var(--transition);
}

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

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  color: #fff;

  border-color: var(--accent);

  background:
    linear-gradient(
      145deg,
      #1994d6,
      #117bb5
    );

  box-shadow:
    0 9px 24px
    rgba(22, 136, 199, 0.23);
}

.btn-primary:hover {
  border-color: #249edd;

  background:
    linear-gradient(
      145deg,
      #22a0e2,
      #1384be
    );

  box-shadow:
    0 12px 28px
    rgba(22, 136, 199, 0.32);
}

.btn-light {
  color: #edf4f8;

  border-color:
    rgba(205, 221, 232, 0.34);

  background:
    rgba(255, 255, 255, 0.035);
}

.btn-light:hover {
  color: #fff;

  border-color:
    rgba(255, 255, 255, 0.7);

  background:
    rgba(255, 255, 255, 0.08);
}

.btn-dark-outline {
  color: #dce7ef;

  border-color:
    rgba(255, 255, 255, 0.2);

  background:
    rgba(255, 255, 255, 0.04);
}

.btn-dark-outline:hover {
  color: #fff;

  border-color:
    rgba(255, 255, 255, 0.4);

  background:
    rgba(255, 255, 255, 0.09);
}

.btn-large {
  min-height: 56px;

  padding-inline: 25px;

  border-radius: 12px;

  font-size: 17px;
}

.btn-arrow {
  font-size: 21px;

  transition:
    transform var(--transition);
}

.btn:hover .btn-arrow {
  transform:
    translateX(4px);
}


/* =========================================================
   MOBILE MENU
========================================================= */

.mobile-menu {
  display: none;

  position: relative;

  margin-left: auto;
}

.mobile-menu summary {
  width: 46px;
  height: 46px;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  gap: 5px;

  border:
    1px solid
    rgba(255, 255, 255, 0.16);

  border-radius: 11px;

  background:
    rgba(255, 255, 255, 0.05);

  cursor: pointer;

  list-style: none;
}

.mobile-menu summary::-webkit-details-marker {
  display: none;
}

.mobile-menu summary span {
  width: 20px;
  height: 2px;

  border-radius: 2px;

  background: #fff;

  transition:
    transform var(--transition),
    opacity var(--transition);
}

.mobile-menu[open]
summary span:nth-child(1) {
  transform:
    translateY(7px)
    rotate(45deg);
}

.mobile-menu[open]
summary span:nth-child(2) {
  opacity: 0;
}

.mobile-menu[open]
summary span:nth-child(3) {
  transform:
    translateY(-7px)
    rotate(-45deg);
}

.mobile-menu-panel {
  position: absolute;

  top: calc(100% + 12px);
  right: 0;

  width:
    min(340px, calc(100vw - 30px));

  display: flex;
  flex-direction: column;

  padding: 10px;

  border:
    1px solid
    rgba(255, 255, 255, 0.13);

  border-radius: 15px;

  background:
    rgba(13, 36, 55, 0.98);

  box-shadow:
    0 24px 60px
    rgba(0, 0, 0, 0.32);

  backdrop-filter: blur(16px);
}

.mobile-menu-panel > a {
  padding: 13px;

  border-radius: 9px;

  color: #d5e0e8;

  font-size: 17px;
  font-weight: 650;
}

.mobile-menu-panel > a:hover {
  color: #fff;

  background:
    rgba(255, 255, 255, 0.06);
}

.mobile-menu-auth {
  display: grid;

  grid-template-columns:
    1fr 1fr;

  gap: 8px;

  margin-top: 8px;
  padding-top: 10px;

  border-top:
    1px solid
    rgba(255, 255, 255, 0.1);
}

.mobile-menu-auth .btn {
  padding-inline: 10px;
}


/* =========================================================
   HERO
========================================================= */

.hero {
  position: relative;
  z-index: 1;

  padding:
    clamp(72px, 8vw, 112px)
    0
    clamp(82px, 9vw, 122px);
}

.hero-grid {
  display: grid;

  grid-template-columns:
    minmax(0, 1.52fr)
    minmax(350px, 0.72fr);

  align-items: center;

  gap:
    clamp(48px, 6vw, 88px);
}

.hero-copy {
  max-width: 820px;
}


/* Eyebrow */

.eyebrow {
  display: inline-flex;
  align-items: center;

  gap: 10px;

  margin-bottom: 24px;

  color: #87cef3;

  font-size: 14px;
  font-weight: 800;

  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";

  width: 9px;
  height: 9px;

  flex: 0 0 auto;

  border-radius: 50%;

  background:
    var(--accent-light);

  box-shadow:
    0 0 0 5px
    rgba(66, 180, 241, 0.11);
}


/* Headings */

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1 {
  max-width: 850px;

  margin: 0;

  color: #fff;

  font-size:
    clamp(48px, 5.6vw, 74px);

  line-height: 0.99;

  letter-spacing: -0.052em;

  text-wrap: balance;
}

h1 span {
  color: #80cef7;
}


/* Hero text */

.hero-description {
  max-width: 760px;

  margin: 29px 0 0;

  color: #c7d4de;

  font-size:
    clamp(19px, 1.75vw, 22px);

  line-height: 1.62;
}

.hero-subtext {
  max-width: 700px;

  margin: 14px 0 0;

  color: #9bafbe;

  font-size: 17px;

  line-height: 1.62;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;

  gap: 12px;

  margin-top: 34px;
}


/* Hero tags */

.hero-tags {
  display: flex;
  flex-wrap: wrap;

  gap: 9px;

  margin-top: 38px;
}

.hero-tags span {
  padding: 8px 13px;

  border:
    1px solid
    rgba(255, 255, 255, 0.1);

  border-radius: 999px;

  color: #abc0ce;

  background:
    rgba(255, 255, 255, 0.03);

  font-size: 14px;
  font-weight: 650;
}


/* =========================================================
   HERO CARD
========================================================= */

.hero-card {
  position: relative;

  padding: 30px;

  overflow: hidden;

  border:
    1px solid
    rgba(170, 205, 225, 0.19);

  border-radius:
    var(--radius-lg);

  background:
    linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.085),
      rgba(255, 255, 255, 0.025)
    );

  box-shadow:
    inset 0 1px 0
    rgba(255, 255, 255, 0.07),
    0 28px 70px
    rgba(0, 0, 0, 0.14);

  backdrop-filter:
    blur(10px);
}

.hero-card::before {
  content: "";

  position: absolute;

  top: -80px;
  right: -80px;

  width: 190px;
  height: 190px;

  border-radius: 50%;

  background:
    rgba(42, 164, 227, 0.08);

  pointer-events: none;
}

.hero-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;

  gap: 20px;
}

.hero-card-label {
  color: #9db1c0;

  font-size: 13px;
  font-weight: 800;

  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-card h2 {
  margin: 10px 0 20px;

  color: #fff;

  font-size: 28px;
  line-height: 1.16;

  letter-spacing: -0.025em;
}

.hero-card > p {
  margin: 0;

  color: #bac8d2;

  font-size: 16px;
  line-height: 1.65;
}

.status-dot {
  width: 10px;
  height: 10px;

  flex: 0 0 auto;

  margin-top: 5px;

  border-radius: 50%;

  background: var(--green);

  box-shadow:
    0 0 0 6px
    rgba(56, 201, 141, 0.09);
}


/* Hero list */

.hero-list {
  margin: 25px 0 0;
  padding: 0;

  list-style: none;
}

.hero-list li {
  display: flex;
  align-items: flex-start;

  gap: 11px;

  padding: 13px 0;

  border-top:
    1px solid
    rgba(255, 255, 255, 0.09);

  color: #e5edf3;

  font-size: 16px;
  line-height: 1.5;
}

.check {
  color: #61d6a2;

  font-size: 17px;
  font-weight: 900;
}

.hero-card-link {
  display: flex;
  align-items: center;
  justify-content: space-between;

  margin-top: 21px;
  padding-top: 19px;

  border-top:
    1px solid
    rgba(255, 255, 255, 0.09);

  color: #88cdef;

  font-size: 16px;
  font-weight: 750;

  transition:
    color var(--transition);
}

.hero-card-link:hover {
  color: #fff;
}


/* =========================================================
   MAIN
========================================================= */

main {
  padding:
    clamp(54px, 6vw, 78px)
    0
    clamp(76px, 8vw, 104px);
}

.section {
  margin-top:
    clamp(72px, 8vw, 104px);
}

.section:first-child {
  margin-top: 0;
}


/* =========================================================
   SECTION HEADINGS
========================================================= */

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;

  gap: 44px;

  margin-bottom: 28px;
}

.section-head > div {
  max-width: 720px;
}

.section-kicker {
  margin-bottom: 8px;

  color: var(--accent);

  font-size: 14px;
  font-weight: 900;

  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.section h2 {
  margin: 0;

  color: var(--text-dark);

  font-size:
    clamp(32px, 3.2vw, 43px);

  line-height: 1.12;

  letter-spacing: -0.038em;

  text-wrap: balance;
}

.section-head > p {
  max-width: 500px;

  margin: 0 0 5px;

  color: var(--muted);

  font-size: 17px;
  line-height: 1.65;
}


/* =========================================================
   FORUM CARDS
========================================================= */

.forum-grid {
  display: grid;

  grid-template-columns:
    repeat(2, minmax(0, 1fr));

  gap: 15px;
}

.forum-card {
  position: relative;

  min-width: 0;

  display: grid;

  grid-template-columns:
    64px
    minmax(0, 1fr)
    auto;

  align-items: center;

  gap: 19px;

  padding: 25px;

  overflow: hidden;

  border:
    1px solid var(--line);

  border-radius: 16px;

  background:
    rgba(255, 255, 255, 0.94);

  box-shadow:
    0 2px 6px
    rgba(11, 31, 51, 0.015);

  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition),
    background var(--transition);
}

.forum-card::after {
  content: "";

  position: absolute;

  top: 0;
  right: 0;

  width: 4px;
  height: 100%;

  background:
    linear-gradient(
      180deg,
      transparent,
      var(--accent),
      transparent
    );

  opacity: 0;

  transition:
    opacity var(--transition);
}

.forum-card:hover {
  z-index: 2;

  border-color: #b8ccda;

  background: #fff;

  box-shadow:
    var(--shadow);

  transform:
    translateY(-3px);
}

.forum-card:hover::after {
  opacity: 1;
}

.forum-icon {
  width: 64px;
  height: 64px;

  display: grid;
  place-items: center;

  border:
    1px solid #d9e7ef;

  border-radius: 15px;

  color: var(--brand);

  background:
    linear-gradient(
      145deg,
      #eff6fa,
      #e6f0f5
    );

  font-size: 18px;
  font-weight: 900;

  letter-spacing: -0.03em;

  transition:
    transform var(--transition),
    background var(--transition),
    color var(--transition);
}

.forum-card:hover
.forum-icon {
  color: #fff;

  border-color: var(--accent);

  background:
    linear-gradient(
      145deg,
      #1688c7,
      #0f6f9f
    );

  transform:
    scale(1.04);
}

.forum-card-content {
  min-width: 0;
}

.forum-card h3 {
  margin: 0 0 7px;

  color: var(--text-dark);

  font-size: 19px;
  font-weight: 780;

  line-height: 1.28;

  letter-spacing: -0.015em;
}

.forum-card p {
  margin: 0;

  color: var(--muted);

  font-size: 16px;
  line-height: 1.58;
}

.forum-arrow {
  width: 38px;
  height: 38px;

  display: grid;
  place-items: center;

  border:
    1px solid transparent;

  border-radius: 50%;

  color: #96a7b4;

  font-size: 22px;

  transition:
    transform var(--transition),
    background var(--transition),
    border-color var(--transition),
    color var(--transition);
}

.forum-card:hover
.forum-arrow {
  color: var(--accent);

  border-color: #d8eaf4;

  background: #eef8fc;

  transform:
    translateX(3px);
}

.forum-badge {
  display: inline-flex;

  margin-bottom: 6px;

  color: var(--accent);

  font-size: 13px;
  font-weight: 900;

  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.forum-card-featured {
  border-color: #c7e0ed;

  background:
    linear-gradient(
      135deg,
      #ffffff,
      #f4fbfe
    );
}


/* =========================================================
   SOFTWARE
========================================================= */

.software {
  position: relative;

  display: grid;

  grid-template-columns:
    minmax(0, 1fr)
    minmax(0, 1fr);

  overflow: hidden;

  border-radius:
    var(--radius-lg);

  color: #fff;

  background:
    linear-gradient(
      140deg,
      #091d2f,
      #0d2941 65%,
      #0b3654
    );

  box-shadow:
    var(--shadow-lg);
}

.software::before {
  content: "";

  position: absolute;

  top: -180px;
  left: -130px;

  width: 380px;
  height: 380px;

  border-radius: 50%;

  background:
    rgba(22, 136, 199, 0.12);

  filter: blur(20px);
}

.software-copy {
  position: relative;
  z-index: 1;

  padding:
    clamp(36px, 4vw, 52px);
}

.software .section-kicker {
  color: #78c9f2;
}

.software h2 {
  max-width: 620px;

  margin: 0 0 21px;

  color: #fff;

  font-size:
    clamp(32px, 3.2vw, 44px);
}

.software-copy > p {
  max-width: 620px;

  margin: 0;

  color: #c0ced8;

  font-size: 17px;
  line-height: 1.7;
}

.software-copy > p + p {
  margin-top: 15px;
}


/* Software note */

.software-note {
  display: flex;
  align-items: center;

  gap: 14px;

  margin-top: 30px;

  padding: 17px;

  border:
    1px solid
    rgba(255, 255, 255, 0.1);

  border-radius: 13px;

  background:
    rgba(255, 255, 255, 0.04);
}

.software-note-icon {
  width: 44px;
  height: 44px;

  flex: 0 0 auto;

  display: grid;
  place-items: center;

  border-radius: 11px;

  color: #fff;

  background:
    rgba(22, 136, 199, 0.25);

  font-size: 18px;
  font-weight: 900;
}

.software-note-text {
  min-width: 0;
}

.software-note strong,
.software-note small {
  display: block;
}

.software-note strong {
  color: #eff7fb;

  font-size: 16px;
  line-height: 1.4;
}

.software-note small {
  margin-top: 4px;

  color: #9fb1c0;

  font-size: 14px;
  line-height: 1.5;
}


/* Software feature grid */

.software-features {
  position: relative;
  z-index: 1;

  display: grid;

  grid-template-columns:
    repeat(2, minmax(0, 1fr));

  gap: 12px;

  padding: 30px;

  border-left:
    1px solid
    rgba(255, 255, 255, 0.07);

  background:
    rgba(255, 255, 255, 0.025);
}

.software-item {
  min-width: 0;

  display: flex;
  align-items: flex-start;

  gap: 14px;

  padding: 22px;

  border:
    1px solid
    rgba(160, 195, 216, 0.15);

  border-radius: 14px;

  background:
    rgba(255, 255, 255, 0.035);

  transition:
    transform var(--transition),
    border-color var(--transition),
    background var(--transition);
}

.software-item:hover {
  border-color:
    rgba(98, 192, 239, 0.3);

  background:
    rgba(255, 255, 255, 0.06);

  transform:
    translateY(-2px);
}

.software-number {
  flex: 0 0 auto;

  color: #61c3f1;

  font-size: 14px;
  font-weight: 900;

  line-height: 1.4;
}

.software-item strong {
  display: block;

  margin-bottom: 7px;

  color: #f0f6fa;

  font-size: 17px;
  line-height: 1.4;
}

.software-item div > span {
  display: block;

  color: #a6b7c4;

  font-size: 15px;
  line-height: 1.58;
}


/* =========================================================
   STEPS
========================================================= */

.steps {
  display: grid;

  grid-template-columns:
    repeat(4, minmax(0, 1fr));

  gap: 14px;
}

.step {
  position: relative;

  min-height: 225px;

  padding: 26px;

  border:
    1px solid var(--line);

  border-radius: 16px;

  background:
    rgba(255, 255, 255, 0.92);

  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.step:hover {
  border-color: #bfd1dc;

  box-shadow:
    var(--shadow-sm);

  transform:
    translateY(-2px);
}

.step-header {
  display: flex;
  align-items: center;

  margin-bottom: 40px;
}

.step-number {
  color: var(--accent);

  font-size: 14px;
  font-weight: 900;

  letter-spacing: 0.06em;
}

.step-line {
  width: 54px;
  height: 1px;

  margin-left: auto;

  background:
    linear-gradient(
      90deg,
      var(--line),
      transparent
    );
}

.step h3 {
  margin: 0 0 10px;

  color: var(--text-dark);

  font-size: 19px;
  font-weight: 780;

  line-height: 1.3;
}

.step p {
  margin: 0;

  color: var(--muted);

  font-size: 16px;
  line-height: 1.62;
}


/* =========================================================
   KNOWLEDGE / JOIN
========================================================= */

.knowledge {
  display: grid;

  grid-template-columns:
    minmax(0, 1.15fr)
    minmax(350px, 0.85fr);

  gap: 16px;
}

.knowledge-card,
.join-card {
  border-radius:
    var(--radius-lg);
}

.knowledge-card {
  display: flex;
  align-items: flex-start;

  gap: 25px;

  padding:
    clamp(31px, 4vw, 44px);

  border:
    1px solid var(--line);

  background: #fff;

  box-shadow:
    0 4px 15px
    rgba(11, 31, 51, 0.025);
}

.knowledge-icon {
  width: 64px;
  height: 64px;

  flex: 0 0 auto;

  display: grid;
  place-items: center;

  border-radius: 16px;

  color: var(--brand);

  background:
    linear-gradient(
      145deg,
      #eaf5fa,
      #dcebf3
    );

  font-size: 18px;
  font-weight: 900;
}

.knowledge-card h2,
.join-card h2 {
  font-size:
    clamp(29px, 2.8vw, 38px);
}

.knowledge-card p,
.join-card p {
  margin: 15px 0 0;

  color: var(--muted);

  font-size: 17px;
  line-height: 1.68;
}


/* Join card */

.join-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;

  padding:
    clamp(31px, 4vw, 42px);

  border:
    1px solid #bcdceb;

  background:
    linear-gradient(
      145deg,
      #eaf6fb,
      #dceff8
    );
}

.join-card .btn {
  margin-top: 30px;
}


/* =========================================================
   SUPPORT / PRIVATE DEVELOPER
========================================================= */

.support-services-grid {
  display: grid;

  grid-template-columns:
    repeat(2, minmax(0, 1fr));

  gap: 16px;
}

.support-card {
  position: relative;

  min-width: 0;

  display: flex;
  align-items: flex-start;

  gap: 22px;

  padding:
    clamp(28px, 3.5vw, 40px);

  overflow: hidden;

  border:
    1px solid var(--line);

  border-radius:
    var(--radius-lg);

  background: #fff;

  box-shadow:
    0 4px 18px
    rgba(11, 31, 51, 0.035);

  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.support-card:hover {
  border-color: #bfd7e5;

  box-shadow:
    var(--shadow-sm);

  transform:
    translateY(-2px);
}

.support-card::after {
  content: "";

  position: absolute;

  right: -85px;
  bottom: -105px;

  width: 220px;
  height: 220px;

  border-radius: 50%;

  background:
    rgba(22, 136, 199, 0.055);

  pointer-events: none;
}

.support-card-developer {
  background:
    linear-gradient(
      145deg,
      #ffffff,
      #f3f9fc
    );
}

.support-card-icon {
  position: relative;
  z-index: 1;

  width: 58px;
  height: 58px;

  flex: 0 0 auto;

  display: grid;
  place-items: center;

  border-radius: 15px;

  color: var(--brand);

  background:
    linear-gradient(
      145deg,
      #eaf5fa,
      #dcebf3
    );

  font-size: 18px;
  font-weight: 900;

  letter-spacing: -0.04em;
}

.support-card-content {
  position: relative;
  z-index: 1;

  min-width: 0;
}

.support-card .section-kicker {
  margin-bottom: 7px;
}

.support-card h2 {
  font-size:
    clamp(27px, 2.5vw, 35px);
}

.support-card p {
  margin: 14px 0 0;

  color: var(--muted);

  font-size: 17px;
  line-height: 1.65;
}

.support-phone {
  display: inline-flex;
  flex-direction: column;

  gap: 3px;

  margin-top: 22px;
  padding: 14px 17px;

  border:
    1px solid #cde4ef;

  border-radius: 12px;

  color: var(--brand-dark);

  background:
    var(--accent-soft);

  transition:
    transform var(--transition),
    border-color var(--transition),
    background var(--transition);
}

.support-phone:hover {
  border-color: #9fcfe4;

  background: #dbf0f9;

  transform:
    translateY(-1px);
}

.support-phone-label {
  color: var(--muted);

  font-size: 13px;
  font-weight: 800;

  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.support-phone strong {
  color: var(--brand-dark);

  font-size: 22px;
  line-height: 1.3;

  letter-spacing: 0.01em;
}


/* =========================================================
   FINAL CTA
========================================================= */

.final-cta {
  position: relative;

  overflow: hidden;

  border-radius:
    var(--radius-lg);

  background:
    linear-gradient(
      135deg,
      #0a2033,
      #0d314d
    );

  box-shadow:
    var(--shadow);
}

.final-cta::before {
  content: "";

  position: absolute;

  top: -180px;
  right: 5%;

  width: 360px;
  height: 360px;

  border-radius: 50%;

  background:
    rgba(22, 136, 199, 0.14);

  filter: blur(15px);
}

.final-cta-content {
  position: relative;
  z-index: 1;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 42px;

  padding:
    clamp(34px, 5vw, 54px);
}

.final-cta .section-kicker {
  color: #75c7f0;
}

.final-cta h2 {
  color: #fff;

  font-size:
    clamp(31px, 3vw, 42px);
}

.final-cta p {
  margin: 14px 0 0;

  color: #acbdc9;

  font-size: 17px;
  line-height: 1.62;
}

.final-cta-actions {
  flex: 0 0 auto;

  display: flex;

  gap: 10px;
}


/* =========================================================
   FOOTER
========================================================= */

.footer {
  padding: 38px 0 26px;

  border-top:
    1px solid var(--line);

  background: #fff;
}

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

  gap: 32px;
}

.footer-brand {
  display: flex;
  align-items: center;

  gap: 13px;
}

.footer-mark {
  width: 42px;
  height: 42px;

  display: grid;
  place-items: center;

  border-radius: 10px;

  color: #fff;

  background:
    var(--brand-dark);

  font-size: 17px;
  font-weight: 900;
}

.footer-brand div {
  display: flex;
  flex-direction: column;

  line-height: 1.3;
}

.footer-brand strong {
  color: var(--text-dark);

  font-size: 17px;
}

.footer-brand span {
  margin-top: 4px;

  color: #8997a2;

  font-size: 14px;
}

.footer-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;

  gap: 7px;
}

.footer-links a {
  padding: 8px 10px;

  border-radius: 8px;

  color: var(--muted);

  font-size: 15px;
  font-weight: 650;

  transition:
    color var(--transition),
    background var(--transition);
}

.footer-links a:hover {
  color: var(--brand);

  background:
    var(--surface-soft);
}

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

  gap: 20px;

  margin-top: 28px;
  padding-top: 20px;

  border-top:
    1px solid #edf1f4;

  color: #8796a1;

  font-size: 14px;
}


/* =========================================================
   LARGE TABLET / SMALL DESKTOP
========================================================= */

@media (max-width: 1080px) {

  .nav-links {
    display: none;
  }

  .mobile-menu {
    display: block;
  }

  .auth {
    margin-left: auto;
  }

  .mobile-menu {
    margin-left: 0;
  }

  .hero-grid {
    grid-template-columns:
      minmax(0, 1.2fr)
      minmax(320px, 0.8fr);

    gap: 42px;
  }

  .steps {
    grid-template-columns:
      repeat(2, minmax(0, 1fr));
  }

  .step {
    min-height: 200px;
  }

}


/* =========================================================
   TABLET
========================================================= */

@media (max-width: 860px) {

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

  .hero-grid {
    grid-template-columns: 1fr;

    gap: 44px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-card {
    max-width: 650px;
  }

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

  .software-features {
    border-top:
      1px solid
      rgba(255, 255, 255, 0.07);

    border-left: 0;
  }

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

  .final-cta-content {
    align-items: flex-start;
    flex-direction: column;
  }

}


/* =========================================================
   MOBILE
========================================================= */

@media (max-width: 700px) {

  .container {
    width:
      min(
        calc(100% - 30px),
        var(--max)
      );
  }


  /* Header */

  .nav {
    min-height: 72px;
  }

  .brand-mark {
    width: 39px;
    height: 39px;

    border-radius: 10px;

    font-size: 18px;
  }

  .brand-text strong {
    font-size: 17px;
  }

  .brand-text small {
    display: none;
  }

  .auth {
    display: none;
  }

  .mobile-menu {
    display: block;

    margin-left: auto;
  }


  /* Hero */

  .hero {
    padding:
      58px
      0
      72px;
  }

  h1 {
    font-size:
      clamp(43px, 12vw, 60px);

    line-height: 1;
  }

  .eyebrow {
    margin-bottom: 20px;

    font-size: 13px;
  }

  .hero-description {
    margin-top: 24px;

    font-size: 19px;
  }

  .hero-subtext {
    font-size: 17px;
  }

  .hero-actions {
    flex-direction: column;

    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-tags {
    margin-top: 30px;
  }

  .hero-tags span {
    font-size: 14px;
  }

  .hero-card {
    padding: 24px;

    border-radius: 18px;
  }

  .hero-card h2 {
    font-size: 27px;
  }

  .hero-card > p {
    font-size: 16px;
  }

  .hero-list li {
    font-size: 16px;
  }


  /* Main */

  main {
    padding-top: 46px;
  }

  .section {
    margin-top: 74px;
  }


  /* Section heads */

  .section-head {
    display: block;
  }

  .section-head > p {
    margin-top: 13px;

    font-size: 17px;
  }

  .section h2 {
    font-size:
      clamp(30px, 8vw, 36px);
  }


  /* Forum */

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

  .forum-card {
    grid-template-columns:
      58px
      minmax(0, 1fr);

    gap: 16px;

    padding: 20px;
  }

  .forum-icon {
    width: 58px;
    height: 58px;

    border-radius: 13px;
  }

  .forum-arrow {
    display: none;
  }

  .forum-card h3 {
    font-size: 19px;
  }

  .forum-card p {
    font-size: 16px;
  }


  /* Software */

  .software {
    border-radius: 18px;
  }

  .software-copy {
    padding: 30px 23px;
  }

  .software-copy > p {
    font-size: 17px;
  }

  .software-features {
    grid-template-columns: 1fr;

    padding: 18px;
  }

  .software-item {
    padding: 20px;
  }

  .software-item strong {
    font-size: 17px;
  }

  .software-item div > span {
    font-size: 16px;
  }


  /* Steps */

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

  .step {
    min-height: auto;

    padding: 23px;
  }

  .step-header {
    margin-bottom: 26px;
  }

  .step h3 {
    font-size: 19px;
  }

  .step p {
    font-size: 16px;
  }


  /* Knowledge */

  .knowledge-card {
    gap: 18px;

    padding: 26px 22px;
  }

  .knowledge-icon {
    width: 54px;
    height: 54px;

    border-radius: 13px;

    font-size: 16px;
  }

  .knowledge-card p,
  .join-card p {
    font-size: 17px;
  }

  .join-card {
    padding: 27px 22px;
  }


  /* Support / developer */

  .support-card {
    gap: 18px;

    padding: 25px 22px;
  }

  .support-card-icon {
    width: 52px;
    height: 52px;

    border-radius: 13px;
  }

  .support-card p {
    font-size: 16px;
  }

  .support-phone {
    width: 100%;
  }


  /* CTA */

  .final-cta-content {
    padding: 30px 23px;
  }

  .final-cta p {
    font-size: 17px;
  }

  .final-cta-actions {
    width: 100%;

    flex-direction: column;
  }

  .final-cta-actions .btn {
    width: 100%;
  }


  /* Footer */

  .footer-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    margin-left: -10px;
  }

  .footer-links a {
    font-size: 16px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;

    gap: 6px;

    font-size: 14px;
  }

}


/* =========================================================
   SMALL MOBILE
========================================================= */

@media (max-width: 460px) {

  .container {
    width:
      calc(100% - 22px);
  }

  .hero {
    padding-top: 48px;
  }

  h1 {
    font-size:
      clamp(40px, 12vw, 49px);
  }

  .hero-description {
    font-size: 18px;
  }

  .hero-subtext {
    font-size: 16px;
  }

  .hero-card {
    padding: 21px;
  }

  .hero-card h2 {
    font-size: 25px;
  }

  .section h2 {
    font-size: 30px;
  }

  .forum-card {
    grid-template-columns:
      50px
      minmax(0, 1fr);

    padding: 17px;
  }

  .forum-icon {
    width: 50px;
    height: 50px;

    font-size: 16px;
  }

  .forum-card h3 {
    font-size: 18px;
  }

  .forum-card p {
    font-size: 16px;
  }

  .knowledge-card {
    display: block;
  }

  .support-card {
    display: block;
  }

  .support-card-icon {
    margin-bottom: 19px;
  }

  .support-phone strong {
    font-size: 20px;
  }

  .knowledge-icon {
    margin-bottom: 20px;
  }

  .mobile-menu-panel {
    position: fixed;

    top: 78px;
    left: 11px;
    right: 11px;

    width: auto;
  }

}


/* =========================================================
   EXTRA SMALL MOBILE
========================================================= */

@media (max-width: 360px) {

  h1 {
    font-size: 38px;
  }

  .section h2 {
    font-size: 28px;
  }

  .btn,
  .btn-large {
    font-size: 16px;
  }

  .hero-card-label,
  .section-kicker,
  .forum-badge,
  .step-number,
  .software-number {
    font-size: 13px;
  }

}