/* ===========================
   SIP BRAND SYSTEM — TOKENS
   =========================== */
:root {
  --navy-dark:   #102845;
  --navy:        #1B3F67;
  --navy-mid:    #2E5F8A;
  --mid-blue:    #4794eb;
  --navy-light:  #E8EEF5;
  --brand-green: #95e103;

  --color-bg:             #0b1929;
  --color-surface:        #102236;
  --color-surface-2:      #132840;
  --color-surface-offset: #0e1e30;
  --color-border:         #1B3F67;
  --color-divider:        #1d3a5f;

  --color-text:        #E8EEF5;
  --color-text-muted:  #8aabb8;
  --color-text-faint:  #3d6080;

  --color-primary: var(--brand-green);

  --font-display: 'Poppins', 'Helvetica Neue', sans-serif;
  --font-body:    'Lora', Georgia, serif;

  --text-xs:   clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl:  clamp(2.5rem, 1.2rem + 3.5vw, 4.5rem);

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.35);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
  --shadow-green: 0 6px 24px rgba(149,225,3,0.25);

  --content-default: 1160px;
  --content-mid:     860px;
  --content-narrow:  680px;
}

/* ===========================
   RESET
   =========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
}
img, picture, svg { display: block; max-width: 100%; height: auto; }
input, button, select, textarea { font: inherit; color: inherit; }
h1,h2,h3,h4,h5,h6 { text-wrap: balance; line-height: 1.1; }
p, li { text-wrap: pretty; max-width: 72ch; }
a, button, input, textarea, select {
  transition: color var(--transition), background var(--transition),
    border-color var(--transition), box-shadow var(--transition),
    transform var(--transition), opacity var(--transition);
}
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border-width: 0;
}

/* ===========================
   LAYOUT
   =========================== */
.container {
  width: 100%;
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}
.container--mid    { max-width: var(--content-mid); }
.container--narrow { max-width: var(--content-narrow); }

/* ===========================
   STICKY BAR
   =========================== */
.sticky-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--navy-dark);
  border-bottom: 1px solid var(--color-border);
  transform: translateY(-100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(12px);
}
.sticky-bar.visible { transform: translateY(0); }
.sticky-bar__inner {
  max-width: var(--content-default);
  margin-inline: auto;
  padding: var(--space-3) clamp(var(--space-6), 5vw, var(--space-16));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.sticky-bar__text {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sticky-bar__btn {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--navy-dark);
  background: var(--brand-green);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-4);
  text-decoration: none;
  white-space: nowrap;
}
.sticky-bar__btn:hover { background: #a8f007; }

/* ===========================
   HERO
   =========================== */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--navy-dark);
  padding-top: clamp(var(--space-12), 8vw, var(--space-20));
  padding-bottom: clamp(var(--space-12), 6vw, var(--space-20));
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--brand-green);
}
.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(149,225,3,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(149,225,3,0.03) 1px, transparent 1px);
  background-size: 52px 52px;
  pointer-events: none;
}

/* Two-column hero layout */
.hero__layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: clamp(var(--space-10), 4vw, var(--space-16));
  align-items: start;
}
.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  /* spans both columns */
}

/* Eyebrow spans full width above the two-col layout */
.hero .container > .hero__eyebrow {
  display: flex;
}

.eyebrow-tag {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-green);
}
.eyebrow-divider { color: var(--color-text-faint); font-size: var(--text-xs); }
.eyebrow-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.hero__headline {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 900;
  color: var(--color-text);
  line-height: 1.0;
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}
.hero__headline--accent {
  color: var(--brand-green);
  display: block;
}
.hero__sub {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-8);
  max-width: 100%;
}

/* Thesis box */
.thesis-box {
  border-left: 3px solid var(--brand-green);
  background: #1e4a7a;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-5) var(--space-6);
  margin-bottom: var(--space-8);
}
.thesis-label {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-green);
  margin-bottom: var(--space-2);
}
.thesis-box p {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--navy-light);
  line-height: 1.75;
  max-width: 100%;
}
.thesis-box strong { color: #fff; }

/* Stat row — 2x2 grid */
.stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}
.stat-item {
  background: #1B3F67;
  border: 1px solid #2E5F8A;
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.stat-item--accent { background: #102845; border-color: #4794eb; }
.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}
.stat-item--accent .stat-number { color: var(--brand-green); }
.stat-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
  max-width: 100%;
}

/* ===========================
   HERO FORM (right column)
   =========================== */
.hero__right {
  position: sticky;
  top: calc(var(--space-16) + var(--space-4));
}

/* ===========================
   FORM SHARED STYLES
   =========================== */
.form-wrapper {
  background: #ffffff;
  border: 1px solid #dde8f4;
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
}
.form-wrapper::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--brand-green);
}
.form-header { margin-bottom: var(--space-6); }
.form-eyebrow {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #4794eb;
  margin-bottom: var(--space-2);
}
.form-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: #102845;
  margin-bottom: var(--space-3);
}
.form-subtitle {
  font-size: var(--text-sm);
  color: #2E5F8A;
  line-height: 1.65;
  max-width: 100%;
}

.signup-form { display: flex; flex-direction: column; gap: var(--space-4); }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  color: #1B3F67;
  letter-spacing: 0.04em;
}
.label-optional {
  font-weight: 400;
  color: #8aabb8;
}
input[type="text"],
input[type="email"],
input[type="tel"] {
  width: 100%;
  background: #ffffff;
  border: 1.5px solid #C4D4E4;
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: #102845;
  outline: none;
}
input::placeholder { color: #8aabb8; }
input:focus {
  border-color: var(--navy-mid);
  box-shadow: 0 0 0 3px rgba(46,95,138,0.2);
}
input.error { border-color: #d14f4f; }
.field-error {
  font-size: var(--text-xs);
  color: #e07070;
  min-height: 1em;
  font-family: var(--font-display);
}

.submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  width: 100%;
  background: var(--brand-green);
  color: var(--navy-dark);
  border: none;
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 800;
  cursor: pointer;
  letter-spacing: 0.03em;
  margin-top: var(--space-1);
}
.submit-btn:hover {
  background: #a8f007;
  transform: translateY(-1px);
  box-shadow: var(--shadow-green);
}
.submit-btn:active { transform: translateY(0); box-shadow: none; }
.submit-btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; box-shadow: none; }
.submit-btn__arrow { flex-shrink: 0; }

.form-disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
  max-width: 100%;
}

.form-success {
  text-align: center;
  padding: var(--space-10) var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
.form-success[hidden] { display: none; }
.success-icon {
  color: var(--brand-green);
  width: 72px; height: 72px;
  border-radius: 50%;
  background: rgba(149,225,3,0.1);
  border: 2px solid rgba(149,225,3,0.25);
  display: flex; align-items: center; justify-content: center;
}
.success-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text);
}
.success-body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 100%;
}

/* ===========================
   DIVIDER STATEMENT
   =========================== */
.divider-statement {
  background: var(--color-bg);
  padding-block: clamp(var(--space-10), 5vw, var(--space-16));
  border-top: 1px solid var(--color-divider);
}
.divider-text {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text-muted);
  line-height: 1.6;
  text-align: center;
  max-width: 100%;
}

/* ===========================
   SIGNALS
   =========================== */
.signals {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  background: var(--color-bg);
}
.signals-header { margin-bottom: var(--space-10); }

.section-eyebrow {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-green);
  margin-bottom: var(--space-3);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 900;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}
.section-body {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 58ch;
  line-height: 1.75;
}

.signals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-4);
}
.signal-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.signal-card:hover {
  border-color: var(--navy-mid);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.signal-num {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-faint);
  letter-spacing: 0.12em;
}
.signal-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.35;
  max-width: 100%;
}
.signal-body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
  max-width: 100%;
}
.signal-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--mid-blue);
  background: rgba(71,148,235,0.08);
  border: 1px solid rgba(71,148,235,0.18);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-3);
  align-self: flex-start;
  letter-spacing: 0.04em;
}
.signal-tag--accent {
  color: var(--brand-green);
  background: rgba(149,225,3,0.07);
  border-color: rgba(149,225,3,0.18);
}

/* ===========================
   PULL QUOTE
   =========================== */
.quote-section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  background: var(--navy-dark);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.pull-quote {
  border-left: 3px solid var(--mid-blue);
  padding-left: var(--space-8);
}
.pull-quote p {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  max-width: 100%;
}
.pull-quote cite {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-style: normal;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

/* ===========================
   BOTTOM FORM
   =========================== */
.form-section-bottom {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  background: var(--color-bg);
}
.form-wrapper--bottom .form-title {
  font-size: var(--text-xl);
}

/* ===========================
   AUTHOR
   =========================== */
.author-section {
  padding-block: clamp(var(--space-10), 5vw, var(--space-16));
  background: var(--navy-dark);
  border-top: 1px solid var(--color-border);
}
.author-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-green);
  margin-bottom: var(--space-2);
  max-width: 100%;
}
.author-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}
.author-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--navy-mid);
  margin-bottom: var(--space-4);
  max-width: 100%;
}
.author-bio {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 60ch;
}

/* ===========================
   FOOTER
   =========================== */
.site-footer {
  background: #07101c;
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-10);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}
.footer-tagline {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: normal;
  max-width: 100%;
}
.tagline-green { color: var(--brand-green); font-style: italic; }
.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: 100%;
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 900px) {
  .hero__layout {
    grid-template-columns: 1fr;
  }
  .hero__right {
    position: static;
  }
  .stat-row {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr 1fr; }
  .signals-grid { grid-template-columns: 1fr; }
  .pull-quote p { font-size: var(--text-base); }
  .sticky-bar__text { display: none; }
}

@media (max-width: 400px) {
  .stat-row { grid-template-columns: 1fr; }
}

/* ===========================
   ANIMATIONS
   =========================== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero__eyebrow  { animation: fadeUp 0.5s ease both; animation-delay: 0.05s; }
.hero__headline { animation: fadeUp 0.55s ease both; animation-delay: 0.12s; }
.hero__sub      { animation: fadeUp 0.55s ease both; animation-delay: 0.18s; }
/* .thesis-box     { animation: fadeUp 0.55s ease both; animation-delay: 0.24s; } */
/* .stat-row       { animation: fadeUp 0.55s ease both; animation-delay: 0.3s; } */
/* .hero__right    { animation: fadeUp 0.55s ease both; animation-delay: 0.2s; } */

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition-duration: 0.01ms !important; }
}