/* shared container */
:root {
  --bg: #112733; /* hero background */
  --bg-darker: #0c1d26;
  --text: #e9f1f5;
  --muted: #b9c6cf;
  --accent: #6bb0a7; /* button/hover accent */
  --outline: #274150;
  --maxw: 1200px;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}
.btn-back {
  margin-left: 5%;
  padding: 0.5rem 0.75rem;
  border: none;
  background: #183a4991;
  border-radius: 0.5rem;
  font: 500 0.95rem / 1.1 Inter, system-ui, sans-serif;
  cursor: pointer;
  position: absolute;
  z-index: 1;
  margin-top: 3%;
  color: white;
}
.btn-back:hover {
  background: #496573e3;
}
@media (max-width: 720px) {
  .btn-back {
    order: -1;
    margin: 0 0 0.5rem 0;
  }
}

h2.big {
  font-size: 30px;
  /* width: 101%; */
}
.logo {
  text-decoration: none;
  font-size: 24px;
  letter-spacing: 0.3px;
  font-weight: 600;
  color: white;
}
/* Dark (your current look) */
.theme-dark {
  --bg: #2a4654; /* base behind gradient */
  --spot: #183a49; /* inner spot color */
  --ind-text: #ffffff; /* text on dark */
}

/* Light companion */
.theme-light {
  --bg: #d1e6f0; /* light base */
  --spot: #5c8ea2; /* lighter cousin of #183a49 */
  --ind-text: #0f2730; /* dark ink text (AA+/AAA on the light bg) */
}

.container {
  width: 90%;
  margin: 0 auto;
  padding: 0 28px;
}
/* .container {

  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
  padding-bottom: 40px;
} */
body {
  margin: 0;
  background: #4f6773; /* page bg like your mock */
  color: var(--text);
  font-family: "Crimson Text", Georgia, serif;
}
.nav-links a.active {
  color: #fff;
  padding-bottom: 2px;
  border-bottom: 2px solid #fff;
  font-size: 20px;
}
/* header + active tab */
.site-header {
  position: sticky;
  background: radial-gradient(
      1200px 600px at 25% 30%,
      #183a49 0%,
      var(--bg) 60%
    ),
    var(--bg);
}
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
}
.brand {
  font-size: 24px;
  letter-spacing: 0.3px;
  font-weight: 600;
  /* margin-left: 7%; */
}
.nav-links {
  display: flex;
  gap: clamp(0.75rem, 1.2vw, 1.5rem);
  align-items: center;
  flex-wrap: wrap;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto,
    "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji",
    "Segoe UI Symbol", "Noto Color Emoji";
}
.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.4rem 0.2rem;
  border-radius: 8px;
  transition: color 0.15s ease, background-color 0.15s ease;
}
.nav-links a:hover {
  color: white;
  background: rgba(255, 255, 255, 0.06);
}
.nav-links a.active {
  color: #fff;
  padding-bottom: 2px;
  border-bottom: 2px solid #fff;
  font-size: 20px;
}
/* hero with overlaid title */
.ind-hero {
  position: relative;
  height: 52vh;
  overflow: hidden;
  background: #223740;
}
.ind-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.85);
  display: block;
}
.ind-hero h1 {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 32px;
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #ffffff;
  text-shadow: 0 9px 2px rgb(0 0 0);
}

/* intro block */
.ind-intro {
  /* background: #1f3b4d; */
  color: #fff;
  padding: 64px 0 40px;
  background: radial-gradient(
      1200px 600px at 25% 30%,
      var(--spot, #183a49) #5c8ea2 0%,
      #496573 60%
    ),
    #496573 !important;
}
.intro-grid {
  display: flex;
  gap: 64px;
  justify-items: center;
  align-items: center;
}
.big {
  margin: 0;
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.15;
}
.copy {
  margin: 0;
  color: #e6eef4;
  font-family: Inter, system-ui, sans-serif;
  line-height: 1.8;
  font-size: 16px;
}

/* next link (bottom-right) */
.next-wrap {
  display: flex;
  justify-content: flex-end;

  align-items: center;
}
.next-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  color: #1f3b4d;
  text-decoration: none;
  font-family: Inter, system-ui, sans-serif;
  font-size: clamp(1rem, 2.2vw, 1.4rem);
}
.chev {
  display: inline-block;
  transform: translateX(0);
  transition: transform 0.2s ease;
}
.next-link:hover .chev {
  transform: translateX(4px);
}

/* responsive */
@media (max-width: 980px) {
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .next-wrap {
    justify-content: flex-start;
  }
}
/*two tab area--------------------*/
.tab-section {
  display: flex;
}
/* Footer */
footer {
  background: radial-gradient(
      1200px 600px at 25% 30%,
      #183a49 0%,
      var(--bg) 60%
    ),
    var(--bg);
  padding: 70px 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 64px;

  align-items: center;
  justify-items: center;
}
.footer-title {
  font-size: 31px;
  margin: 0 0 16px 0;
  font-weight: 600;
}
.made-with {
  color: #b8c8d2;
}
.section-title {
  font-size: 22px;
  margin: 0 0 16px 0;
  font-weight: 600;
  color: #dbe6ee;
}
.footer-col p {
  margin: 0 0 10px 0;
  color: #d4e1ea;
}
.footer-col a {
  color: #cfe0ea;
}

/* Responsive tweaks */
@media (max-width: 1020px) {
  .about-wrap {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .about h1 {
    font-size: 56px;
  }
  .underline {
    width: 210px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-title {
    font-size: 38px;
  }
}
@media (max-width: 560px) {
  .brand {
    font-size: 20px;
  }
  .nav-links {
    gap: 18px;
    font-size: 15px;
  }
  .about h1 {
    font-size: 44px;
  }
  .underline {
    width: 180px;
  }
}

img.footer-image {
  width: 136%;
  height: 15vh;
  border-radius: 10px;
  box-shadow: -1px 0px 13px hsl(0deg 0% 0% / 0%);
  border: solid 2px #5c8ea212;
}
/* popup modal for contact */
.skylark-call {
  color: var(--text);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.4rem 0.2rem;
  border-radius: 8px;
  transition: color 0.15s ease, background-color 0.15s ease;
  background: none;
  border: none;
}
.skylark-call:hover {
  color: white;
  background: rgba(255, 255, 255, 0.06);
}
.skylark-veil {
  position: fixed;
  inset: 0;
  display: none;
}
.skylark-veil[aria-hidden="false"] {
  display: block;
}

.skylark-backdrop {
  position: absolute;
  inset: 0;
  background: var(--sk-bg);
  backdrop-filter: blur(4px);
  animation: sk-fade 0.18s ease-out;
}

.skylark-panel {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(720px, calc(100% - 40px));
  background: linear-gradient(
    180deg,
    rgba(18, 23, 31, 0.96),
    rgba(18, 23, 31, 0.92)
  );
  color: var(--sk-text);
  border-radius: 10px;
  box-shadow: var(--sk-shadow);
  padding: 20px 20px 22px;
  animation: sk-pop 0.18s ease-out forwards;
}
.skylark-panel::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: conic-gradient(
    from 180deg at 50% 50%,
    var(--sk-ring1),
    var(--sk-ring2),
    var(--sk-ring1)
  );
  filter: blur(20px);
  opacity: 0.15;
  z-index: -1;
}

.skylark-x {
  position: absolute;
  top: 10px;
  right: 12px;
  border: 0;
  background: transparent;
  color: var(--sk-muted);
  font-size: 22px;
  cursor: pointer;
}
.skylark-x:hover {
  color: #fff;
}

.skylark-panel h2 {
  margin: 6px 4px 6px;
  font: 800 clamp(26px, 4vw, 42px) / 1.1 system-ui, -apple-system, Segoe UI,
    Inter, Arial, sans-serif;
  letter-spacing: 0.01em;
}
.skylark-sub {
  margin: 0 4px 14px;
  color: var(--sk-muted);
}

.skylark-form {
  display: grid;
  gap: 12px;
}
.skylark-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.skylark-input {
  padding: 0.85rem 0.95rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 14, 22, 0.55);
  color: var(--sk-text);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease,
    background 0.2s ease;
}
.skylark-input:focus {
  border-color: rgba(124, 92, 255, 0.6);
  box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.18);
  background: rgba(10, 14, 22, 0.7);
}
.skylark-area {
  resize: vertical;
  min-height: 120px;
}

.skylark-send {
  margin-top: 2px;
  justify-self: start;
  border: 0;
  padding: 0.85rem 1.2rem;
  border-radius: 12px;
  color: #0b0c0f;
  background: linear-gradient(135deg, #00e0c6, #7c5cff);
  font-weight: 800;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(0, 224, 198, 0.25);
  transition: transform 0.15s ease, filter 0.2s ease;
}
.skylark-send:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
}

.skylark-hint {
  margin: 10px 4px 0;
  color: var(--sk-muted);
  font-size: 0.95rem;
}

@media (max-width: 700px) {
  .skylark-row {
    grid-template-columns: 1fr;
  }
}

@keyframes sk-pop {
  to {
    transform: translate(-50%, -50%) scale(1);
  }
}
@keyframes sk-fade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}