/* =========================================================
   SIREN — Deception Intelligence — landing page styles
   ========================================================= */

:root {
  --bg: #000002;
  --bg-soft: #0a0512;
  --bg-card: #0b0714;
  --purple-100: #dcd0ff;
  --purple-300: #b48cff;
  --purple-500: #9b5aff;
  --purple-600: #7c3aed;
  --purple-700: #6d28d9;
  --line: rgba(180, 140, 255, 0.35);
  --text: #e9e3f5;
  --text-muted: #a89cc8;
  --font-display: "Ailerons", "Acumin Variable Concept", sans-serif;
  --font-heading: "Acumin Variable Concept", "Aktiv Grotesk", sans-serif;
  --font-body: "Aktiv Grotesk", "Montserrat", "Myriad Pro", sans-serif;
  --font-btn: "Poppins Medium", "Poppins", sans-serif;
  --siren-heading-size: clamp(3rem, 9vw, 7.5rem);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--purple-500) var(--bg-soft);
}

/* Chrome, Edge, Safari, Opera (WebKit/Blink) */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: var(--bg-soft);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--purple-300), var(--purple-500), var(--purple-700));
  border-radius: 50rem;
  border: 2px solid var(--bg-soft);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--purple-100), var(--purple-500), var(--purple-600));
}

::-webkit-scrollbar-corner {
  background: var(--bg-soft);
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  overflow-x: hidden;
    background-color: var(--bg);
  background-image: url("../images/SIREN-LANDING-PAGE-BACKGROUND-3.png");
  background-repeat: no-repeat;
  background-position: left bottom;
  background-size: 90% 25%;
}

a,
a:visited {
  text-decoration: none;
}

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

.siren-section {
  padding-top: clamp(3rem, 6vw, 6rem);
  padding-bottom: clamp(3rem, 6vw, 6rem);
}

/* ---------- Headings & type helpers ---------- */

.siren-font-display {
  font-family: var(--font-display);
  letter-spacing: 0.03em;
  color: var(--purple-300);
  text-transform: uppercase;
}

.siren-font-heading {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--purple-300);
}

.siren-text-muted {
  color: var(--text-muted);
}

.siren-eyebrow {
  font-family: var(--font-btn);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  color: var(--purple-300);
  text-transform: uppercase;
}

/* ---------- Buttons ---------- */

.btn-siren {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 2rem;
  border-radius: 50rem;
  border: 1px solid var(--purple-500);
  background: transparent;
  color: var(--purple-500);
  font-family: var(--font-btn);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition:
    background 0.3s ease,
    color 0.3s ease,
    box-shadow 0.3s ease,
    transform 0.2s ease;
}

.btn-siren:hover,
.btn-siren:focus-visible {
  background: linear-gradient(135deg, var(--purple-500), var(--purple-700));
  color: #fff;
  box-shadow: 0 0 22px rgba(139, 92, 246, 0.55);
  transform: translateY(-2px);
}

.btn-siren-solid {
  background: linear-gradient(135deg, var(--purple-500), var(--purple-700));
  color: #fff;
  border: 1px solid transparent;
}

.btn-siren-solid:hover,
.btn-siren-solid:focus-visible {
  box-shadow: 0 0 26px rgba(139, 92, 246, 0.7);
  color: #fff;
  transform: translateY(-2px);
}

/* ---------- Header / nav (custom, no Bootstrap navbar component) ---------- */

.siren-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: var(--bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  /* border-bottom: 1px solid rgba(180, 140, 255, 0.12); */
  transition:
    background 0.3s ease,
    box-shadow 0.3s ease;
}

.siren-header.is-scrolled {
  background: rgba(5, 3, 8, 0.95);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
}

.siren-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem clamp(1.25rem, 4vw, 3.5rem);
}

.siren-brand img {
  min-height: 36px;
  width: auto;
  display: block;
  max-height: 70px;
}

.siren-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  gap: 5px;
  width: 28px;
  height: 22px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
}

.siren-menu-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--purple-100);
  border-radius: 2px;
  transition:
    transform 0.25s ease,
    opacity 0.25s ease;
}

.siren-menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.siren-menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.siren-menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.siren-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 2.5rem);
}

.siren-nav-pill {
  position: relative;
  border: 1px solid rgba(180, 140, 255, 0.08);
  border-radius: 50rem;
}

.siren-nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0.25rem 1.5rem;
}

@property --neon-angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}

.neon-runner {
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1.5px;
  background: conic-gradient(
    from var(--neon-angle, 0deg),
    transparent 0deg,
    transparent 268deg,
    rgba(124, 58, 237, 0.25) 300deg,
    rgba(180, 140, 255, 0.75) 328deg,
    var(--purple-300) 344deg,
    #f9f5ff 352deg,
    var(--purple-300) 358deg,
    transparent 360deg
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  filter: drop-shadow(0 0 4px rgba(180, 140, 255, 0.85))
    drop-shadow(0 0 10px rgba(139, 92, 246, 0.6));
  animation: siren-neon-run 3.4s linear infinite;
  pointer-events: none;
}

@keyframes siren-neon-run {
  to {
    --neon-angle: 360deg;
  }
}

.siren-nav-list li {
  display: flex;
  align-items: center;
}

.siren-nav-list li + li::before {
  content: "\00B7";
  color: var(--text-muted);
  margin: 0 0.7rem;
}

.siren-nav-list a {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-muted);
  position: relative;
  padding: 0.25rem 0.1rem;
  transition: color 0.25s ease;
}

.siren-nav-list a:hover,
.siren-nav-list a.active {
  color: var(--purple-500);
}

.siren-nav-list a:hover::after,
.siren-nav-list a.active::after {
  width: 100%;
}

@media (max-width: 991.98px) {
  .siren-menu-toggle {
    display: flex;
  }

  .siren-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: rgba(5, 3, 8, 0.97);
    border-bottom: 1px solid rgba(180, 140, 255, 0.12);
    padding: 0 clamp(1.25rem, 4vw, 3.5rem);
    max-height: 0;
    overflow: hidden;
    transition:
      max-height 0.35s ease,
      padding 0.35s ease;
  }

  .siren-nav.is-open {
    max-height: 420px;
    padding-top: 1.25rem;
    padding-bottom: 1.5rem;
  }

  .siren-nav-pill {
    width: 100%;
    border: none;
  }

  .neon-runner {
    display: none;
  }

  .siren-nav-list {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    padding: 0;
  }

  .siren-nav-list li {
    width: 100%;
  }

  .siren-nav-list li + li::before {
    display: none;
  }

  .siren-nav-list a {
    display: block;
    padding: 0.6rem 0;
  }

  .siren-login {
    margin-top: 0.75rem;
  }
}

/* ---------- Hero ---------- */

.siren-landing {
  position: relative;
  background: radial-gradient(ellipse at center 30%, #12071f 0%, var(--bg) 62%);
}

.siren-landing-visual {
  width: 100%;
}

.siren-landing-visual img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

.siren-landing-content {
  max-width: 100%;
  margin-bottom: 5rem;
}

.siren-landing-title {
  font-family: "Ailerons", sans-serif;
  text-transform: uppercase;
  font-weight: 500;
  font-size: var(--siren-heading-size);
  color: var(--purple-500);
  letter-spacing: -0.25em;
  margin-top: 2.5rem;
  margin-bottom: 2rem;
  white-space: nowrap;
  display: inline-block;
  margin-left: -0.2em;
}

.siren-landing-description {
  max-width: min(var(--siren-heading-width, 720px), 900px);
  margin-left: auto;
  margin-right: auto;
  color: var(--text);
  font-size: 1.02rem;
  line-height: 1.55;
}

/* ---------- Feature cards ---------- */

.siren-feature-row {
  gap: clamp(3rem, 5vw, 5rem);
}

.siren-feature-card {
  height: 100%;
  /* border: 1.5px solid var(--purple-500); */
  border: 2px solid transparent;
  /* border-image: linear-gradient(135deg, var(--purple-500), #9333ea) 1; */

  border-radius: 24px;
  background:
    linear-gradient(#000, #000) padding-box,
    /* 1. Solid inner background */
    linear-gradient(135deg, var(--purple-500), #b1a5bc) border-box;
  /* background: linear-gradient(
    180deg,
    rgba(139, 92, 246, 0.05),
    rgba(139, 92, 246, 0)
  ); */
  padding: 3.2rem 2rem 4.5rem;
  text-align: center;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease,
    border-color 0.3s ease;
}

.siren-feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--purple-500);
  box-shadow: 0 18px 40px rgba(139, 92, 246, 0.18);
}

.siren-feature-card img {
  height: 90px;
  width: auto;
  max-width: 100%;
  margin: 0 auto 1.4rem;
}

.siren-feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--purple-300);
  margin-bottom: 0.85rem;
}

.siren-feature-card p {
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 0;
}

/* ---------- About / Venn diagram section ---------- */

.siren-section-title {
  font-family: var(--font-display);
  font-size: calc(var(--siren-heading-size));
  color: var(--purple-500);
  font-weight: 500;
  letter-spacing: -0.2em;
  margin-left: -0.2em;
}

.siren-about-description p {
  color: var(--text);
  line-height: 1.6;
  font-size: 0.98rem;
}

#about.siren-section {
  padding-top: clamp(4rem, 6vw, 6rem);
  padding-bottom: clamp(4rem, 6vw, 6rem);
}

.siren-diagram {
  position: relative;
  max-width: 100%;
  margin: 0 auto;
}

.siren-diagram img {
  width: 100%;
  height: auto;
}

.siren-diagram-label {
  position: absolute;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text);
  white-space: nowrap;
  transform: translate(-50%, -50%);
}

.siren-diagram-label-center {
  position: absolute;
  top: 47%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: var(--purple-100);
  line-height: 1.3;
}

.siren-diagram--venn .siren-diagram-label.siren-pos-tl {
  top: 3%;
  left: 16%;
}
.siren-diagram--venn .siren-diagram-label.siren-pos-tr {
  top: 3%;
  left: 84%;
}
.siren-diagram--venn .siren-diagram-label.siren-pos-b {
  top: 104%;
  left: 51%;
}

.siren-diagram-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem 1.4rem;
  margin-top: 1.2rem;
}

.siren-diagram-legend span {
  font-size: 0.85rem;
  color: var(--text);
}

.siren-diagram-legend i {
  color: var(--purple-300);
  margin-right: 0.4rem;
}

/* ---------- Hexagon / capabilities section ---------- */

.siren-hexagon-section {
  position: relative;
}

#capabilities.siren-section {
  padding-top: 0px;
  padding-bottom: clamp(4rem, 6vw, 6rem);
}

.siren-hex-diagram {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
}

.siren-hex-diagram img {
  width: 100%;
  height: auto;
}

.siren-hex-diagram .siren-diagram-label.siren-pos-monitor {
  top: 50%;
  left: 12%;
  text-align: right;
}
.siren-hex-diagram .siren-diagram-label.siren-pos-search {
  top: 50%;
  left: 87%;
  text-align: left;
}
.siren-hex-diagram .siren-diagram-label.siren-pos-eye {
  top: 82%;
  left: 21%;
  text-align: right;
}
.siren-hex-diagram .siren-diagram-label.siren-pos-gear {
  top: 82%;
  left: 78%;
  text-align: left;
}
.siren-hex-diagram .siren-diagram-label.siren-pos-lock {
  top: 102%;
  left: 49%;
}

/* ---------- Footer ---------- */

.siren-footer {
background: linear-gradient(to top, #030106 40%, rgba(3, 1, 6, 0.4) 90%, transparent 100%);

  /*border-top: 1px solid rgba(180, 140, 255, 0.12); */
  padding-top: 3rem;
  padding-bottom: 1.75rem;
}

.siren-footer img.siren-footer-logo {
  height: auto;
  width: clamp(7rem,9vw,9rem);
  margin-bottom: 1rem;
}

.siren-footer .siren-copyright {
  color: var(--text);
  font-size: 0.85rem;
}

.siren-footer-heading {
  font-family: var(--font-heading);
  color: var(--purple-300);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  /* text-transform: uppercase; */
  margin-bottom: 1.1rem;
}

.siren-footer-links li {
  /* margin-bottom: 0.65rem; */
  margin-bottom: 0rem;
  margin-top: 0.65rem;
}

.siren-footer-links a {
  color: var(--text);
  font-size: 0.9rem;
  transition:
    color 0.2s ease,
    padding-left 0.2s ease;
}

.siren-footer-links a:hover {
  color: var(--purple-300);
  padding-left: 4px;
}

.siren-social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
  font-size: 0.85rem;
}

.siren-social-link .icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--purple-500), var(--purple-700));
  color: #fff;
  font-size: 0.7rem;
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.siren-social-link:hover .icon {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(139, 92, 246, 0.45);
}

/* ---------- Ambient / scroll-driven motion ---------- */

.siren-ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  pointer-events: none;
  opacity: 0.6;
  z-index: -1;
}

.siren-ambient-glow.siren-ambient-glow--a {
  width: 320px;
  height: 320px;
  top: 6%;
  left: 4%;
  background: radial-gradient(circle, rgba(155, 90, 255, 0.55), transparent 70%);
  animation: siren-orb-drift-a 14s ease-in-out infinite;
}

.siren-ambient-glow.siren-ambient-glow--b {
  width: 280px;
  height: 280px;
  top: 50%;
  right: 6%;
  background: radial-gradient(circle, rgba(180, 140, 255, 0.4), transparent 70%);
  animation: siren-orb-drift-b 18s ease-in-out infinite;
}

@keyframes siren-orb-drift-a {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(50px, 35px) scale(1.15); }
}

@keyframes siren-orb-drift-b {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-40px, -30px) scale(1.1); }
}

.siren-landing-visual img {
  animation: siren-float 7s ease-in-out infinite;
  will-change: transform;
}

@keyframes siren-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

.siren-feature-card {
  transform-style: preserve-3d;
  will-change: transform;
}

.siren-feature-card img {
  animation: siren-icon-float 5s ease-in-out infinite;
}

.col-md:nth-child(2) .siren-feature-card img { animation-delay: 0.6s; }
.col-md:nth-child(3) .siren-feature-card img { animation-delay: 1.2s; }

.siren-feature-card:hover img {
  animation-play-state: paused;
}

@keyframes siren-icon-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.btn-siren-solid {
  animation: siren-btn-glow 3.2s ease-in-out infinite;
}

@keyframes siren-btn-glow {
  0%, 100% { box-shadow: 0 0 0 rgba(139, 92, 246, 0); }
  50% { box-shadow: 0 0 22px rgba(139, 92, 246, 0.45); }
}

.siren-landing-title {
  animation: siren-heading-glow 6s ease-in-out infinite;
}

@keyframes siren-heading-glow {
  0%, 100% { filter: drop-shadow(0 0 0 rgba(139, 92, 246, 0)); transform: scale(1); }
  50% { filter: drop-shadow(0 0 26px rgba(139, 92, 246, 0.35)); transform: scale(1.015); }
}

@media (prefers-reduced-motion: reduce) {
  .siren-landing-visual img,
  .siren-feature-card img,
  .btn-siren-solid,
  .siren-landing-title,
  .siren-ambient-glow,
  .neon-runner,
  .siren-contact-card {
    animation: none !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ---------- Responsive tweaks ---------- */

@media (max-width: 767.98px) {

  body{
    background-size: 90% 30%;
  }
  .siren-diagram .siren-diagram-label,
  .siren-hex-diagram .siren-diagram-label,
  .siren-diagram-label-center {
    display: none;
  }

  .siren-diagram-legend {
    display: flex;
  }

  .siren-hexagon-section {
    background-size: 100% auto;
    background-position: center bottom;
  }
  .siren-brand img {
    height: 34px;
  }
}

@media (min-width: 768px) {
  .siren-diagram-legend {
    display: none;
  }
}

@media (max-width: 575.98px) {
  .siren-feature-card {
    padding: 1.8rem 1.2rem;
  }
}

/* ---------- Contact page ---------- */

body.siren-noscroll {
  display: flex;
  flex-direction: column;
  min-height: 100svh;
  min-height: 100dvh;
  background-size: 90% 85%;
}

body.siren-noscroll .siren-header {
  flex: 0 0 auto;
}

.siren-contact-page {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.siren-contact-card {
  width: 100%;
  max-width: 720px;
  border: 2px solid transparent;
  border-radius: 24px;
  background:
    linear-gradient(#000, #000) padding-box,
    linear-gradient(135deg, var(--purple-500), #b1a5bc) border-box;
  padding: clamp(1.5rem, 4vw, 3rem);
  animation: siren-card-glow 6s ease-in-out infinite;
}

@keyframes siren-card-glow {
  0%, 100% { box-shadow: 0 20px 45px rgba(139, 92, 246, 0.08); }
  50% { box-shadow: 0 20px 55px rgba(139, 92, 246, 0.28); }
}

.siren-contact-subtitle {
  color: var(--text-muted);
  margin-bottom: clamp(1rem, 3vh, 2rem);
}

.siren-contact-errors {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
  border-radius: 10px;
  padding: 0.9rem 1.1rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.siren-contact-errors ul {
  margin: 0;
  padding-left: 1.1rem;
}

.siren-contact-success {
  text-align: center;
}

.siren-contact-success p {
  color: var(--text);
  margin-bottom: 1.5rem;
}

.siren-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(0.75rem, 2vh, 1.25rem);
  margin-bottom: clamp(0.75rem, 2vh, 1.25rem);
}

.siren-form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.siren-form-field--full {
  margin-bottom: clamp(1rem, 2.5vh, 1.5rem);
}

.siren-form-field label {
  font-family: var(--font-btn);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--purple-300);
}

.siren-form-field input,
.siren-form-field textarea {
  background: var(--bg-card);
  border: 1px solid rgba(180, 140, 255, 0.25);
  border-radius: 10px;
  padding: 0.65rem 0.9rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.siren-form-field input:focus,
.siren-form-field textarea:focus {
  outline: none;
  border-color: var(--purple-500);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
}

.siren-form-field textarea {
  resize: vertical;
  min-height: clamp(70px, 15vh, 120px);
}

.siren-form-submit {
  width: 100%;
  margin-top: 0.5rem;
}

.siren-captcha-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.siren-captcha-image {
  border-radius: 8px;
  border: 1px solid rgba(180, 140, 255, 0.25);
  flex-shrink: 0;
}

.siren-captcha-row input {
  flex: 1;
  min-width: 0;
}

@media (max-width: 575.98px) {
  .siren-form-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .siren-contact-page {
    padding: 0;
    align-items: flex-start;
  }

  .siren-contact-card {
    border: none;
    border-radius: 0;
    background: transparent;
    padding: 2rem 1.25rem;
  }
}