/* ── DS-PIAH · News Funnel — Refined ── */
/* Mobile-first · Pure CSS · No framework */

:root {
  --accent: #1B4FBF;
  --accent-light: #2D6AE0;
  --dark-plate: #0F1830;
  --bg-base: #F6F8FC;
  --bg-card: #FFFFFF;
  --text-primary: #111111;
  --text-muted: #6B7280;
  --lime: #E7FFA1;
  --success: #22C55E;
  --error: #EF4444;
  --radius: 16px;
  --radius-sm: 10px;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--text-primary);
  background: var(--bg-base);
  background-image: radial-gradient(ellipse at 50% 0%, rgba(27,79,191,0.04) 0%, transparent 60%);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Typography ── */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

@media (min-width: 768px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.5rem; }
}

.accent { color: var(--accent); }
.lime { color: var(--lime); }

/* ── Layout ── */

.container {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 768px) {
  .container { padding: 0 32px; }
}

/* ── Header ── */

.header {
  padding: 28px 0 20px;
  text-align: left;
}

.header-brand {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.header-brand strong {
  color: var(--accent);
  font-weight: 700;
}

.header-sub {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 4px;
}

.header-guide {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  text-align: center;
}

.header-divider {
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin-top: 16px;
  border: none;
}

/* ── Index Hero (minimal, no form, left-aligned) ── */

.hero {
  padding: 40px 0 20px;
  text-align: left;
}

.hero h1 {
  margin-bottom: 16px;
}

.hero h1 em {
  color: var(--accent);
  font-style: italic;
}

.hero p {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 480px;
  font-weight: 400;
}

@media (min-width: 768px) {
  .hero { padding: 56px 0 28px; }
  .hero p { font-size: 1.15rem; }
}

/* ── Guide List (Ibra-style) ── */

.guides-section {
  padding: 40px 0 56px;
}

.guide-list {
  border-top: 0.5px solid rgba(0,0,0,0.08);
}

.guide-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 16px;
  border-bottom: 0.5px solid rgba(0,0,0,0.08);
  text-decoration: none;
  color: inherit;
  transition: background 0.2s ease, padding-left 0.2s ease;
}

.guide-row:nth-child(even) {
  background: rgba(0,0,0,0.015);
}

.guide-row:hover {
  background: rgba(27,79,191,0.04);
  padding-left: 24px;
}

.guide-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
  min-width: 32px;
  flex-shrink: 0;
  opacity: 0.5;
}

.guide-name {
  flex: 1;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.4;
}

.guide-arrow {
  font-size: 16px;
  color: var(--text-muted);
  opacity: 0.4;
  transition: opacity 0.2s ease, transform 0.2s ease;
  flex-shrink: 0;
}

.guide-row:hover .guide-arrow {
  opacity: 1;
  transform: translateX(4px);
  color: var(--accent);
}

@media (min-width: 520px) {
  .guide-row { padding: 24px 20px; }
  .guide-name { font-size: 16px; }
}

/* ── Lead Form (guide gate) ── */

.lead-form {
  background: transparent;
  max-width: 440px;
  margin: 0 auto;
}

.lead-form .form-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.lead-form input[type="email"],
.lead-form input[type="tel"],
.lead-form input[type="text"] {
  width: 100%;
  padding: 14px 0;
  border: none;
  border-bottom: 1px solid rgba(0,0,0,0.15);
  border-radius: 0;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  color: var(--text-primary);
  background: transparent;
  transition: border-color 0.2s ease;
  outline: none;
  margin-bottom: 10px;
}

.lead-form input:focus,
.lead-form select:focus {
  border-color: var(--accent);
}

.lead-form input::placeholder {
  color: #B0B7C3;
}

/* Phone field with country selector */
.phone-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.phone-row select {
  width: 78px;
  flex-shrink: 0;
  padding: 14px 0;
  border: none;
  border-bottom: 1px solid rgba(0,0,0,0.15);
  border-radius: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 400;
  color: var(--text-primary);
  background: transparent;
  outline: none;
  transition: border-color 0.2s ease;
  appearance: none;
  -webkit-appearance: none;
  text-align: center;
}

.phone-row input[type="tel"] {
  flex: 1;
  margin-bottom: 0;
}

.phone-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
  margin-top: 4px;
}

.lead-form .btn-submit {
  width: 100%;
  padding: 16px 24px;
  border: 1.5px solid var(--accent);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.1s ease;
  margin-top: 8px;
}

.lead-form .btn-submit:hover {
  background: var(--accent);
  color: #fff;
}

.lead-form .btn-submit:active {
  transform: scale(0.98);
}

.lead-form .btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-note {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 14px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 24px 0;
}

.form-success .check {
  font-size: 48px;
  margin-bottom: 12px;
}

.form-success h3 {
  color: var(--success);
  margin-bottom: 8px;
}

.form-success p {
  color: var(--text-muted);
  font-size: 14px;
}

/* ── Dark Plate Section ── */

.dark-section {
  background: var(--dark-plate);
  color: #fff;
  padding: 56px 0;
  text-align: center;
}

.dark-section h2 {
  color: #fff;
  margin-bottom: 16px;
}

.dark-section p {
  color: rgba(255,255,255,0.6);
  max-width: 480px;
  margin: 0 auto 32px;
}

/* ── WhatsApp CTA ── */

.whatsapp-cta {
  background: var(--dark-plate);
  border-radius: var(--radius);
  padding: 40px 28px;
  text-align: center;
  margin-top: 56px;
}

.whatsapp-cta h3 {
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.whatsapp-cta h3 span {
  color: var(--accent);
}

.whatsapp-cta .cta-sub {
  color: rgba(255,255,255,0.45);
  font-size: 13px;
  margin-bottom: 24px;
  font-weight: 400;
}

.whatsapp-cta .btn-whatsapp {
  display: inline-block;
  padding: 16px 40px;
  background: var(--lime);
  color: var(--dark-plate);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: transform 0.1s ease, box-shadow 0.2s ease;
}

.whatsapp-cta .btn-whatsapp:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(231,255,161,0.3);
}

/* ── Guide Page ── */

.guide-hero {
  background: var(--dark-plate);
  color: #fff;
  padding: 56px 0 48px;
  text-align: center;
}

.guide-hero .tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 20px;
}

.guide-hero h1 {
  color: #fff;
  margin-bottom: 16px;
}

.guide-hero p {
  color: rgba(255,255,255,0.5);
  max-width: 520px;
  margin: 0 auto;
  font-weight: 400;
}

.guide-content {
  padding: 48px 0 56px;
}

.guide-content .gate-form {
  max-width: 440px;
  margin: 0 auto 48px;
}

.guide-body {
  display: none;
}

.guide-body.unlocked {
  display: block;
}

.guide-body h2 {
  margin: 48px 0 16px;
  padding-top: 28px;
  border-top: 0.5px solid rgba(0,0,0,0.08);
}

.guide-body h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.guide-body p {
  color: var(--text-muted);
  margin-bottom: 20px;
  font-weight: 400;
}

.guide-body ul, .guide-body ol {
  color: var(--text-muted);
  margin: 0 0 20px 20px;
}

.guide-body li {
  margin-bottom: 10px;
}

.code-block {
  background: var(--dark-plate);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  padding: 24px 28px;
  border-radius: var(--radius-sm);
  margin: 16px 0 28px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ── Explore Link ── */

.explore-link {
  text-align: center;
  padding: 32px 0;
}

.explore-link a {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.explore-link a:hover {
  opacity: 0.7;
}

/* ── Footer ── */

.footer {
  padding: 36px 0;
  text-align: center;
  border-top: 0.5px solid rgba(0,0,0,0.06);
}

.footer p {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.footer strong {
  color: var(--accent);
  font-weight: 700;
}

.footer a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.footer a:hover {
  opacity: 0.7;
}

/* ── Utilities ── */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}