/* ==============================================
   CHECKLIST NR-01 — INSTITUTO DELMONDES
   Design System: Slate & Cerulean
   Typography: Instrument Sans
   ============================================== */

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

/* ========== TOKENS ========== */
:root {
  --slate-900: #0E1520;
  --slate-800: #1B2A36;
  --slate-700: #2A3F52;
  --slate-600: #3A5468;
  --slate-500: #5A7184;
  --slate-400: #8899A6;
  --slate-300: #B0BEC5;
  --slate-200: #D5DDE3;
  --slate-100: #EDF1F4;
  --slate-50: #F5F7F9;

  --cerulean-700: #0A5A76;
  --cerulean-600: #0F6C8E;
  --cerulean-500: #1A89AD;
  --cerulean-400: #3099AF;
  --cerulean-300: #5BB8CA;
  --cerulean-200: #9DD5E2;
  --cerulean-100: #D6EEF3;

  --mist: #F0F6F8;
  --white: #FFFFFF;

  --risk-low: #16A34A;
  --risk-low-bg: #F0FDF4;
  --risk-low-border: #BBF7D0;
  --risk-med: #D97706;
  --risk-med-bg: #FFFBEB;
  --risk-med-border: #FDE68A;
  --risk-high: #DC2626;
  --risk-high-bg: #FEF2F2;
  --risk-high-border: #FECACA;

  --ff: 'Instrument Sans', system-ui, -apple-system, sans-serif;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ========== BASE ========== */
html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--ff);
  color: var(--slate-800);
  background-color: var(--slate-50);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

/* ========== LAYOUT ========== */
.container {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1.25rem, 5vw, 2.5rem);
  padding-right: clamp(1.25rem, 5vw, 2.5rem);
}

/* ========== HEADER ========== */
.page-header {
  background-color: var(--slate-900);
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.header-logo {
  height: 26px;
  flex-shrink: 0;
}

.header-wordmark {
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.header-wordmark span {
  display: block;
  font-weight: 400;
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  color: var(--slate-400);
  text-transform: uppercase;
  margin-top: 1px;
}

/* ========== HERO ========== */
.hero-section {
  background-color: var(--white);
  padding-top: 3rem;
  padding-bottom: 2.5rem;
  text-align: center;
  border-bottom: 1px solid var(--slate-100);
  position: relative;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, var(--cerulean-100), transparent 70%);
  opacity: 0.4;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background-color: var(--cerulean-100);
  border: 1px solid var(--cerulean-200);
  border-radius: 100px;
  padding: 0.3rem 0.9rem 0.3rem 0.55rem;
  margin-bottom: 1.25rem;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--cerulean-600);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-badge span {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--cerulean-700);
  letter-spacing: 0.03em;
}

.hero-company {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cerulean-600);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
}

.hero-section h1 {
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  font-weight: 700;
  color: var(--slate-900);
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin-bottom: 0.85rem;
}

.hero-section h1 em {
  font-style: normal;
  color: var(--cerulean-600);
}

.hero-sub {
  font-size: clamp(0.85rem, 2vw, 0.95rem);
  color: var(--slate-500);
  line-height: 1.7;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ========== PROGRESS ========== */
.progress-wrap {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--slate-200);
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
  transition: box-shadow 0.3s;
}

.progress-wrap.scrolled {
  box-shadow: 0 4px 16px rgba(14, 21, 32, 0.08);
}

.progress-inner {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.progress-label {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--slate-400);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}

.progress-track {
  flex: 1;
  height: 5px;
  background-color: var(--slate-100);
  border-radius: 100px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--cerulean-500), var(--cerulean-400));
  border-radius: 100px;
  transition: width 0.5s var(--ease-out-expo);
}

.progress-count {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--slate-800);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ========== QUESTIONS ========== */
.questions-section {
  padding-top: 1.5rem;
  padding-bottom: 1rem;
}

.question-card {
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 0.85rem;
  transition: all 0.35s var(--ease-out-expo);
  box-shadow: 0 1px 3px rgba(14, 21, 32, 0.06);
  opacity: 0;
  transform: translateY(16px);
}

.question-card.visible {
  opacity: 1;
  transform: none;
}

.question-card.answered {
  border-color: var(--cerulean-200);
  background-color: var(--mist);
}

.question-card.answered-no {
  border-color: var(--risk-med-border);
  background-color: var(--risk-med-bg);
}

.q-top {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  margin-bottom: 0.65rem;
}

.q-number {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--cerulean-400);
  opacity: 0.5;
  line-height: 1.4;
  flex-shrink: 0;
  width: 28px;
}

.q-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--slate-800);
  line-height: 1.55;
  letter-spacing: -0.01em;
}

.q-hint {
  font-size: 0.75rem;
  color: var(--slate-400);
  line-height: 1.5;
  margin-left: calc(28px + 0.85rem);
  margin-bottom: 1rem;
  font-style: italic;
}

.q-actions {
  display: flex;
  gap: 0.5rem;
  margin-left: calc(28px + 0.85rem);
}

.q-btn {
  flex: 1;
  max-width: 120px;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  border: 1.5px solid var(--slate-200);
  background-color: var(--white);
  color: var(--slate-500);
  font-family: var(--ff);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.2s var(--ease-out-expo);
  text-align: center;
}

.q-btn:hover {
  border-color: var(--slate-300);
  background-color: var(--slate-50);
  color: var(--slate-700);
}

.q-btn.selected-yes {
  border-color: var(--cerulean-500);
  background-color: var(--cerulean-100);
  color: var(--cerulean-700);
}

.q-btn.selected-no {
  border-color: var(--risk-med);
  background-color: var(--risk-med-bg);
  color: var(--risk-med);
}

/* ========== SUBMIT ========== */
.submit-section {
  padding-top: 0;
  padding-bottom: 3rem;
  text-align: center;
}

.submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background-color: var(--cerulean-600);
  color: var(--white);
  padding: 1rem 2.5rem;
  border-radius: 10px;
  border: none;
  font-family: var(--ff);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.3s var(--ease-out-expo);
  box-shadow: 0 4px 16px rgba(15, 108, 142, 0.2);
  opacity: 0.35;
  pointer-events: none;
  transform: scale(0.97);
}

.submit-btn.ready {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
  animation: submitPulse 2s ease-in-out infinite;
}

.submit-btn.ready:hover {
  background-color: var(--cerulean-500);
  transform: translateY(-2px) scale(1);
  box-shadow: 0 8px 28px rgba(15, 108, 142, 0.3);
  animation: none;
}

.submit-btn:active {
  transform: translateY(0) scale(0.98);
}

.submit-btn.sending {
  opacity: 0.6;
  pointer-events: none;
  animation: none;
}

.submit-btn svg {
  width: 18px;
  height: 18px;
}

@keyframes submitPulse {
  0%, 100% { box-shadow: 0 4px 16px rgba(15, 108, 142, 0.2); }
  50% { box-shadow: 0 4px 24px rgba(15, 108, 142, 0.4); }
}

.submit-hint {
  font-size: 0.72rem;
  color: var(--slate-400);
  margin-top: 0.6rem;
}

/* ========== RESULT ========== */
.result-section {
  padding-top: 2rem;
  padding-bottom: 4rem;
  display: none;
}

.result-section.show {
  display: block;
}

.result-card {
  border-radius: 16px;
  padding: 2.5rem 2rem;
  text-align: center;
  border-width: 1.5px;
  border-style: solid;
  box-shadow: 0 12px 40px rgba(14, 21, 32, 0.1);
  animation: resultReveal 0.6s var(--ease-out-expo) forwards;
}

@keyframes resultReveal {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.result-card.risk-low {
  background-color: var(--risk-low-bg);
  border-color: var(--risk-low-border);
}

.result-card.risk-med {
  background-color: var(--risk-med-bg);
  border-color: var(--risk-med-border);
}

.result-card.risk-high {
  background-color: var(--risk-high-bg);
  border-color: var(--risk-high-border);
}

.result-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.5rem;
  font-weight: 700;
}

.risk-low .result-icon {
  background-color: #DCFCE7;
  color: var(--risk-low);
}

.risk-med .result-icon {
  background-color: #FEF3C7;
  color: var(--risk-med);
}

.risk-high .result-icon {
  background-color: #FEE2E2;
  color: var(--risk-high);
}

.result-level {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.risk-low .result-level { color: var(--risk-low); }
.risk-med .result-level { color: var(--risk-med); }
.risk-high .result-level { color: var(--risk-high); }

.result-title {
  font-size: clamp(1.3rem, 3vw, 1.6rem);
  font-weight: 700;
  color: var(--slate-900);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
}

.result-score {
  font-size: 0.82rem;
  color: var(--slate-500);
  margin-bottom: 1.25rem;
}

.result-score strong {
  color: var(--slate-800);
  font-weight: 700;
}

.result-desc {
  font-size: 0.85rem;
  color: var(--slate-600);
  line-height: 1.7;
  max-width: 440px;
  margin: 0 auto 2rem;
}

.result-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--cerulean-600);
  color: var(--white);
  padding: 0.9rem 2.25rem;
  border-radius: 8px;
  border: none;
  font-family: var(--ff);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s var(--ease-out-expo);
}

.result-cta:hover {
  background-color: var(--cerulean-500);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 108, 142, 0.25);
}

.result-cta svg {
  width: 15px;
  height: 15px;
  transition: transform 0.25s;
}

.result-cta:hover svg {
  transform: translateX(3px);
}

.result-retry {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--slate-400);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  background: none;
  border: none;
  font-family: var(--ff);
  transition: color 0.2s;
}

.result-retry:hover {
  color: var(--cerulean-600);
}

/* ========== FOOTER ========== */
.page-footer {
  border-top: 1px solid var(--slate-100);
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
  background-color: var(--white);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-left {
  font-size: 0.68rem;
  color: var(--slate-400);
}

.footer-right a {
  font-size: 0.68rem;
  color: var(--slate-400);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-right a:hover {
  color: var(--cerulean-600);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 600px) {
  .hero-section {
    padding-top: 2.5rem;
    padding-bottom: 2rem;
  }

  .q-actions {
    margin-left: 0;
  }

  .q-hint {
    margin-left: 0;
  }

  .q-top {
    gap: 0.6rem;
  }

  .q-number {
    width: 22px;
    font-size: 1rem;
  }

  .question-card {
    padding: 1.15rem;
  }

  .result-card {
    padding: 2rem 1.25rem;
  }

  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

/* ========== CONTACT FORM ========== */
.contact-section {
  padding-top: 0;
  padding-bottom: 3rem;
}

.contact-card {
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  box-shadow: 0 8px 32px rgba(14, 21, 32, 0.08);
  animation: resultReveal 0.5s var(--ease-out-expo) forwards;
}

.contact-title {
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  font-weight: 700;
  color: var(--slate-900);
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
  text-align: center;
}

.contact-sub {
  font-size: 0.8rem;
  color: var(--slate-400);
  text-align: center;
  line-height: 1.6;
  margin-bottom: 1.75rem;
}

.contact-fields {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

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

.contact-field label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--slate-600);
  letter-spacing: 0.02em;
}

.contact-field input {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1.5px solid var(--slate-200);
  border-radius: 8px;
  font-family: var(--ff);
  font-size: 0.88rem;
  color: var(--slate-800);
  background-color: var(--slate-50);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.contact-field input:focus {
  border-color: var(--cerulean-400);
  box-shadow: 0 0 0 3px var(--cerulean-100);
  background-color: var(--white);
}

.contact-field input::placeholder {
  color: var(--slate-300);
}

.phone-wrap {
  display: flex;
  align-items: center;
  border: 1.5px solid var(--slate-200);
  border-radius: 8px;
  background-color: var(--slate-50);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.phone-wrap:focus-within {
  border-color: var(--cerulean-400);
  box-shadow: 0 0 0 3px var(--cerulean-100);
  background-color: var(--white);
}

.phone-prefix {
  padding: 0.7rem 0.75rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--slate-500);
  background-color: var(--slate-100);
  border-right: 1.5px solid var(--slate-200);
  white-space: nowrap;
  flex-shrink: 0;
}

.phone-wrap input {
  border: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  background-color: transparent !important;
  flex: 1;
}

.phone-wrap input:focus {
  border: none;
  box-shadow: none;
}

.contact-error {
  font-size: 0.78rem;
  color: var(--risk-high);
  text-align: center;
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.contact-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  background-color: var(--cerulean-600);
  color: var(--white);
  padding: 1rem 2rem;
  border-radius: 10px;
  border: none;
  font-family: var(--ff);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.25s var(--ease-out-expo);
  box-shadow: 0 4px 16px rgba(15, 108, 142, 0.25);
}

.contact-btn:hover:not(:disabled) {
  background-color: var(--cerulean-500);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(15, 108, 142, 0.35);
}

.contact-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.contact-btn svg {
  width: 17px;
  height: 17px;
}

.contact-privacy {
  font-size: 0.7rem;
  color: var(--slate-400);
  text-align: center;
  margin-top: 0.85rem;
  line-height: 1.5;
}

@media (max-width: 600px) {
  .contact-card {
    padding: 1.75rem 1.25rem;
  }
}