/* ==========================================================================
   KM Mental.CL — Landing page styles
   ========================================================================== */

:root {
  --bg: #060607;
  --bg-elev: #0f0f11;
  --bg-elev-2: #17171a;
  --border: #232327;
  --text: #f4f4f2;
  --muted: #9a9aa1;
  --muted-2: #6c6c72;
  --flame: #ff6a1a;
  --flame-soft: rgba(255, 106, 26, 0.14);
  --volt: #2f8cff;
  --volt-soft: rgba(47, 140, 255, 0.14);
  --gradient: linear-gradient(95deg, var(--flame) 0%, #ff8a3d 35%, var(--volt) 100%);
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --maxw: 1120px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: "Oswald", "Inter", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin: 0;
  line-height: 1.12;
}

p { margin: 0; }

a { color: inherit; }

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

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "Oswald", sans-serif;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--flame);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--gradient);
  display: inline-block;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: "Oswald", sans-serif;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 15px 28px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.btn-primary {
  background: var(--gradient);
  color: #0a0a0a;
  box-shadow: 0 10px 30px rgba(255, 106, 26, 0.22);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 36px rgba(255, 106, 26, 0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--muted-2);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

/* ---------------------------------- Header ---------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 6, 7, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand img {
  height: 40px;
  width: 40px;
  border-radius: 8px;
  object-fit: cover;
}

.brand-word {
  font-family: "Oswald", sans-serif;
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.03em;
}

.brand-word .cl {
  color: var(--muted);
  font-weight: 400;
}

.site-header .btn {
  padding: 11px 22px;
  font-size: 13px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-family: "Oswald", sans-serif;
  font-size: 13.5px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.site-nav a:hover {
  color: var(--text);
}

@media (max-width: 720px) {
  .site-nav { display: none; }
}

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

.hero {
  position: relative;
  padding: 88px 0 96px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 620px;
  background:
    radial-gradient(600px 320px at 18% 20%, var(--flame-soft), transparent 70%),
    radial-gradient(600px 320px at 82% 10%, var(--volt-soft), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(34px, 4.6vw, 58px);
  margin-bottom: 22px;
}

.hero-lead {
  font-size: 17px;
  color: var(--muted);
  max-width: 46ch;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.hero-note {
  font-size: 13px;
  color: var(--muted-2);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual .ring {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 92%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--gradient);
  filter: blur(70px);
  opacity: 0.22;
}

.hero-visual img {
  position: relative;
  width: 100%;
  max-width: 380px;
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.waveform {
  width: 100%;
  height: 46px;
  display: block;
  opacity: 0.55;
  margin-top: 44px;
}

/* ---------------------------------- Sections ---------------------------------- */

section {
  padding: 88px 0;
  border-top: 1px solid var(--border);
}

.section-head {
  max-width: 620px;
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: clamp(26px, 3.2vw, 38px);
  margin-bottom: 14px;
}

.section-head p {
  color: var(--muted);
  font-size: 16px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ---------------------------------- Steps ---------------------------------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  position: relative;
}

.step-num {
  font-family: "Oswald", sans-serif;
  font-size: 42px;
  font-weight: 600;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 18px;
  display: block;
}

.step-card h3 {
  font-size: 17px;
  margin-bottom: 10px;
}

.step-card p {
  color: var(--muted);
  font-size: 14.5px;
}

/* ---------------------------------- Feature grid ---------------------------------- */

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.feature-badge {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
}

.feature-card h4 {
  font-family: "Inter", sans-serif;
  text-transform: none;
  font-size: 15.5px;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: 0;
}

.feature-card p {
  color: var(--muted);
  font-size: 14px;
}

/* ---------------------------------- Trust band ---------------------------------- */

.trust-band {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.trust-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
}

.trust-copy h2 {
  font-size: clamp(20px, 2.6vw, 28px);
  margin-bottom: 14px;
}

.trust-copy p {
  color: var(--muted);
  font-size: 15px;
  max-width: 62ch;
}

/* ---------------------------------- Pricing ---------------------------------- */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 24px;
}

.price-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.15s ease;
}

.price-card:hover {
  border-color: var(--muted-2);
}

.price-tag {
  font-family: "Oswald", sans-serif;
  font-size: 13.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.price-amount {
  font-family: "Oswald", sans-serif;
  font-size: 30px;
  font-weight: 600;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.price-unit {
  font-size: 12.5px;
  color: var(--muted-2);
}

.promo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.promo-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}

.promo-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
}

.promo-card h4 {
  font-family: "Inter", sans-serif;
  text-transform: none;
  letter-spacing: 0;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.promo-card p {
  color: var(--muted);
  font-size: 13.5px;
}

/* ---------------------------------- Quote band ---------------------------------- */

.quote-band {
  border-top: 1px solid var(--border);
  padding: 72px 0;
  text-align: center;
}

.quote-band blockquote {
  font-family: "Oswald", sans-serif;
  font-size: clamp(22px, 3vw, 34px);
  text-transform: uppercase;
  max-width: 820px;
  margin: 0 auto;
  line-height: 1.3;
}

.quote-band cite {
  display: block;
  margin-top: 18px;
  font-style: normal;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-2);
}

/* ---------------------------------- Form ---------------------------------- */

.form-section {
  background: radial-gradient(900px 420px at 50% 0%, rgba(255, 106, 26, 0.06), transparent 60%);
}

.form-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 680px;
  margin: 0 auto;
  box-shadow: var(--shadow);
}

.progress-track {
  height: 4px;
  background: var(--bg-elev-2);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 10px;
}

.progress-fill {
  height: 100%;
  width: 20%;
  background: var(--gradient);
  border-radius: 999px;
  transition: width 0.3s ease;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted-2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 30px;
}

.form-step {
  display: none;
  animation: fadeIn 0.25s ease;
}

.form-step.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.form-step h3 {
  font-size: 20px;
  margin-bottom: 26px;
}

.field {
  margin-bottom: 22px;
}

.field label.field-label {
  display: block;
  font-family: "Oswald", sans-serif;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.field .optional-tag {
  color: var(--muted-2);
  text-transform: none;
  letter-spacing: 0;
  font-family: "Inter", sans-serif;
  font-size: 12px;
}

.field .hint {
  font-size: 12.5px;
  color: var(--muted-2);
  margin-top: 6px;
  white-space: pre-line;
}

input[type="text"],
input[type="email"],
input[type="number"],
textarea,
select {
  width: 100%;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 13px 15px;
  color: var(--text);
  font-family: "Inter", sans-serif;
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s ease;
}

select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%239a9aa1' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 15px center;
  padding-right: 40px;
  cursor: pointer;
}

select option {
  background: var(--bg-elev-2);
  color: var(--text);
}

select:invalid,
select option[value=""] {
  color: var(--muted-2);
}

textarea {
  resize: vertical;
  min-height: 88px;
}

input::placeholder,
textarea::placeholder {
  color: var(--muted-2);
}

input:focus,
textarea:focus {
  border-color: var(--flame);
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.option {
  position: relative;
}

.option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.option label {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elev-2);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14px;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.option input:checked + label {
  border-color: var(--flame);
  background: linear-gradient(95deg, rgba(255, 106, 26, 0.14), rgba(47, 140, 255, 0.1));
}

.option-other-input {
  margin-top: 10px;
  display: none;
}

.option-other-input.show {
  display: block;
}

.file-field {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.file-field input[type="file"] {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.file-upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elev-2);
  font-family: "Oswald", sans-serif;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.15s ease;
  flex-shrink: 0;
}

.file-upload-btn:hover {
  border-color: var(--muted-2);
}

.file-status {
  font-size: 13.5px;
  color: var(--muted-2);
}

.file-status.uploading { color: var(--volt); }
.file-status.success { color: #35c46a; }
.file-status.error { color: var(--flame); }

.form-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 32px;
  gap: 14px;
}

.form-nav .btn {
  flex: 0 0 auto;
}

.form-nav .spacer {
  flex: 1;
}

.form-error {
  color: var(--flame);
  font-size: 13px;
  margin-top: 4px;
  display: none;
}

.form-error.show {
  display: block;
}

.form-success {
  display: none;
  text-align: center;
  padding: 20px 0 6px;
}

.form-success.show {
  display: block;
}

.form-success .check {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: #0a0a0a;
}

.form-success h3 {
  margin-bottom: 12px;
}

.form-success p {
  color: var(--muted);
  font-size: 15px;
  max-width: 40ch;
  margin: 0 auto;
}

/* ---------------------------------- FAQ ---------------------------------- */

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-item {
  background: var(--bg-elev);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: "Oswald", sans-serif;
  font-size: 15.5px;
  letter-spacing: 0.01em;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  font-size: 22px;
  color: var(--flame);
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item .faq-body {
  padding: 0 24px 22px;
  color: var(--muted);
  font-size: 14.5px;
  max-width: 60ch;
}

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

.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand img {
  height: 30px;
  width: 30px;
  border-radius: 6px;
}

.footer-tagline {
  font-size: 13px;
  color: var(--muted-2);
}

.footer-copy {
  font-size: 12.5px;
  color: var(--muted-2);
}

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

@media (max-width: 860px) {
  .hero .container {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    order: -1;
  }
  .hero-visual img {
    max-width: 240px;
  }
  .steps,
  .features,
  .promo-grid {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr 1fr;
  }
  .option-grid {
    grid-template-columns: 1fr;
  }
  .trust-band {
    flex-direction: column;
  }
  .form-card {
    padding: 26px 20px;
  }
  section {
    padding: 64px 0;
  }
}

.site-header .btn span.short { display: none; }

@media (max-width: 520px) {
  .site-header .btn span.long { display: none; }
  .site-header .btn span.short { display: inline; }
  .hero { padding: 56px 0 64px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .trust-band { padding: 28px; }
}