:root {
  --bg: #f5f8fb;
  --ink: #112036;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 0% 0%, #e7f8ff 0, transparent 45%),
    radial-gradient(circle at 100% 20%, #eef8f3 0, transparent 35%),
    var(--bg);
  color: var(--ink);
}

input,
button {
  font: inherit;
}

.site-header {
  padding: 0.875rem 1.125rem;
}

.site-brand {
  font-size: 1.125rem;
  line-height: 1.2;
}

.site-nav {
  font-size: 1rem;
  line-height: 1.5;
}

.site-nav-link {
  font-size: 1rem;
  line-height: 1.5;
}

.site-nav-cta {
  font-size: 1rem;
  line-height: 1.2;
  padding: 0.625rem 1rem;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(140deg, #0f6e95 0%, #25b19d 100%);
  position: relative;
  overflow: hidden;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 8px;
}

.brand-mark::before {
  width: 16px;
  height: 5px;
  left: 6px;
  top: 7px;
}

.brand-mark::after {
  width: 12px;
  height: 5px;
  left: 6px;
  top: 15px;
}

.rise-in {
  animation: rise 0.55s ease-out both;
}

.roi-range {
  -webkit-appearance: none;
  appearance: none;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, #d7ecf6 0%, #0f6e95 100%);
  outline: none;
}

.roi-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border: 3px solid #ffffff;
  border-radius: 999px;
  background: #112036;
  box-shadow: 0 6px 18px rgba(17, 32, 54, 0.2);
  cursor: pointer;
}

.roi-range::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border: 3px solid #ffffff;
  border-radius: 999px;
  background: #112036;
  box-shadow: 0 6px 18px rgba(17, 32, 54, 0.2);
  cursor: pointer;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes solve-row-1 {
  0%, 15% { border-color: rgba(255, 255, 255, 0.4); background-color: rgba(255, 255, 255, 0.4); opacity: 0.5; transform: scale(1); }
  17% { transform: scale(0.97); }
  20% { transform: scale(1.02); border-color: rgba(16, 185, 129, 0.4); background-color: rgba(236, 253, 245, 0.9); opacity: 1; }
  25%, 85% { border-color: rgba(209, 250, 229, 0.5); background-color: rgba(236, 253, 245, 0.8); opacity: 1; transform: scale(1); }
  90%, 100% { border-color: rgba(255, 255, 255, 0.4); background-color: rgba(255, 255, 255, 0.4); opacity: 0.5; transform: scale(1); }
}

@keyframes solve-row-2 {
  0%, 35% { border-color: rgba(255, 255, 255, 0.4); background-color: rgba(255, 255, 255, 0.4); opacity: 0.5; transform: scale(1); }
  37% { transform: scale(0.97); }
  40% { transform: scale(1.02); border-color: rgba(16, 185, 129, 0.4); background-color: rgba(236, 253, 245, 0.9); opacity: 1; }
  45%, 85% { border-color: rgba(209, 250, 229, 0.5); background-color: rgba(236, 253, 245, 0.8); opacity: 1; transform: scale(1); }
  90%, 100% { border-color: rgba(255, 255, 255, 0.4); background-color: rgba(255, 255, 255, 0.4); opacity: 0.5; transform: scale(1); }
}

@keyframes solve-row-3 {
  0%, 55% { border-color: rgba(255, 255, 255, 0.4); background-color: rgba(255, 255, 255, 0.4); opacity: 0.5; transform: scale(1); }
  57% { transform: scale(0.97); }
  60% { transform: scale(1.02); border-color: rgba(16, 185, 129, 0.4); background-color: rgba(236, 253, 245, 0.9); opacity: 1; }
  65%, 85% { border-color: rgba(209, 250, 229, 0.5); background-color: rgba(236, 253, 245, 0.8); opacity: 1; transform: scale(1); }
  90%, 100% { border-color: rgba(255, 255, 255, 0.4); background-color: rgba(255, 255, 255, 0.4); opacity: 0.5; transform: scale(1); }
}

@keyframes solve-text-1 { 0%, 20% { color: #516178; } 25%, 85% { color: #064e3b; } 90%, 100% { color: #516178; } }
@keyframes solve-text-2 { 0%, 40% { color: #516178; } 45%, 85% { color: #064e3b; } 90%, 100% { color: #516178; } }
@keyframes solve-text-3 { 0%, 60% { color: #516178; } 65%, 85% { color: #064e3b; } 90%, 100% { color: #516178; } }

@keyframes solve-check-1 { 
  0%, 20% { background-color: rgba(255, 255, 255, 0.5); border-color: #dce4ee; color: transparent; }
  25%, 85% { background-color: rgba(16, 185, 129, 0.1); border-color: #a7f3d0; color: #059669; }
  90%, 100% { background-color: rgba(255, 255, 255, 0.5); border-color: #dce4ee; color: transparent; }
}
@keyframes solve-check-2 { 
  0%, 40% { background-color: rgba(255, 255, 255, 0.5); border-color: #dce4ee; color: transparent; }
  45%, 85% { background-color: rgba(16, 185, 129, 0.1); border-color: #a7f3d0; color: #059669; }
  90%, 100% { background-color: rgba(255, 255, 255, 0.5); border-color: #dce4ee; color: transparent; }
}
@keyframes solve-check-3 { 
  0%, 60% { background-color: rgba(255, 255, 255, 0.5); border-color: #dce4ee; color: transparent; }
  65%, 85% { background-color: rgba(16, 185, 129, 0.1); border-color: #a7f3d0; color: #059669; }
  90%, 100% { background-color: rgba(255, 255, 255, 0.5); border-color: #dce4ee; color: transparent; }
}

.solve-group-1 { animation: solve-row-1 8s infinite linear; }
.solve-group-1 .solve-text { animation: solve-text-1 8s infinite linear; }
.solve-group-1 .solve-check { animation: solve-check-1 8s infinite linear; }

.solve-group-2 { animation: solve-row-2 8s infinite linear; }
.solve-group-2 .solve-text { animation: solve-text-2 8s infinite linear; }
.solve-group-2 .solve-check { animation: solve-check-2 8s infinite linear; }

.solve-group-3 { animation: solve-row-3 8s infinite linear; }
.solve-group-3 .solve-text { animation: solve-text-3 8s infinite linear; }
.solve-group-3 .solve-check { animation: solve-check-3 8s infinite linear; }

.blog-status-warning {
  border-color: rgba(15, 110, 149, 0.18);
  background: rgba(255, 255, 255, 0.86);
}

.blog-status-info {
  border-color: rgba(31, 162, 125, 0.18);
  background: rgba(239, 249, 244, 0.9);
}

.blog-card {
  overflow: hidden;
}

.blog-card-image {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
  background: linear-gradient(140deg, #e6f5fc 0%, #eef9f4 100%);
}

.blog-card-image-fallback {
  background:
    radial-gradient(circle at 20% 15%, rgba(15, 110, 149, 0.16), transparent 35%),
    linear-gradient(140deg, #eef8fd 0%, #f2fbf6 100%);
}

.blog-post-shell.hidden {
  display: none;
}

.blog-post-hero {
  display: block;
  width: 100%;
  max-height: 580px;
  border-radius: 24px;
  object-fit: cover;
}

.blog-body {
  font-size: 1.1rem;
  line-height: 1.9;
  color: #21364f;
}

.blog-body > *:first-child {
  margin-top: 0;
}

.blog-body p,
.blog-body ul,
.blog-body ol,
.blog-body blockquote,
.blog-body figure {
  margin: 1.25rem 0;
}

.blog-body h2,
.blog-body h3,
.blog-body h4 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-family: "Space Grotesk", sans-serif;
  color: #112036;
  line-height: 1.12;
}

.blog-body h2 {
  font-size: clamp(1.8rem, 2.5vw, 2.5rem);
}

.blog-body h3 {
  font-size: clamp(1.4rem, 2vw, 1.9rem);
}

.blog-body h4 {
  font-size: 1.2rem;
}

.blog-body a {
  color: #0f6e95;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.16em;
}

.blog-body strong {
  color: #112036;
}

.blog-body code {
  padding: 0.12rem 0.35rem;
  border-radius: 0.4rem;
  background: #eef5fb;
  font-size: 0.95em;
}

.blog-body ul,
.blog-body ol {
  padding-left: 1.3rem;
}

.blog-body li + li {
  margin-top: 0.55rem;
}

.blog-body blockquote {
  padding: 1rem 1.2rem;
  border-left: 4px solid #0f6e95;
  border-radius: 0 18px 18px 0;
  background: #f4fbff;
  color: #173957;
}

.blog-body img {
  display: block;
  width: 100%;
  border: 1px solid #dce4ee;
  border-radius: 24px;
}

.blog-body figcaption {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  line-height: 1.6;
  color: #64748b;
}

/* Mobile Menu & Hamburger */
#mobile-menu.active {
  display: flex;
  opacity: 1;
  transform: scale(1);
}

#menu-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

#menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

#menu-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}