/* ================================================================
   IDIFY ERP — Custom Styles
   Complementa o Tailwind CSS com componentes e animações
================================================================ */

/* ---- CSS Custom Properties ---- */
:root {
  --color-navy:       #1e3a8a;
  --color-navy-light: #2d4fad;
  --color-navy-dark:  #162d6e;
  --color-sky:        #38bdf8;
  --color-sky-light:  #7dd3fc;
  --color-sky-dark:   #0ea5e9;
  --color-offwhite:   #f8fafc;
  --color-white:      #ffffff;

  --font-sans:        'Inter', sans-serif;
  --font-heading:     'Montserrat', sans-serif;

  --radius-sm:        0.375rem;
  --radius:           0.5rem;
  --radius-lg:        0.75rem;
  --radius-xl:        1rem;
  --radius-2xl:       1.5rem;

  --shadow-card:      0 4px 24px 0 rgba(30, 58, 138, 0.08);
  --shadow-hover:     0 8px 40px 0 rgba(30, 58, 138, 0.16);
  --shadow-sky:       0 8px 32px 0 rgba(56, 189, 248, 0.30);

  --transition-base:  all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:  all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Reset & Base ---- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-offwhite);
  color: var(--color-navy);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* ----------------------------------------------------------------
   BUTTONS
---------------------------------------------------------------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 100%);
  color: #fff;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
  box-shadow: var(--shadow-sky);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: linear-gradient(135deg, #7dd3fc 0%, #38bdf8 100%);
  box-shadow: 0 12px 40px 0 rgba(56, 189, 248, 0.45);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sky);
}

.btn-primary:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #fff;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn-outline:hover,
.btn-outline:focus-visible {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
  transform: translateY(-2px);
}

/* ----------------------------------------------------------------
   HEADER
---------------------------------------------------------------- */
#site-header.scrolled {
  box-shadow: 0 2px 20px rgba(30, 58, 138, 0.08);
}

/* ----------------------------------------------------------------
   SECTION HELPERS
---------------------------------------------------------------- */
.section-eyebrow {
  display: inline-block;
  color: var(--color-sky-dark);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 900;
  color: var(--color-navy);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: rgba(30, 58, 138, 0.65);
  font-size: 1.0625rem;
  line-height: 1.75;
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

/* ----------------------------------------------------------------
   TRUST BADGES (Hero)
---------------------------------------------------------------- */
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: rgba(255, 255, 255, 0.1);
  color: #e2e8f0;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.375rem 0.875rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(4px);
}

/* ----------------------------------------------------------------
   FEATURE CARDS
---------------------------------------------------------------- */
.feature-card {
  background: var(--color-white);
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: var(--transition-slow);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-navy) 0%, var(--color-sky) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(56, 189, 248, 0.25);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon-wrap {
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, rgba(30, 58, 138, 0.08) 0%, rgba(56, 189, 248, 0.12) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(56, 189, 248, 0.15);
}

/* Fallback icon quando SVG não está disponível */
.feature-icon-wrap:empty::before,
.feature-icon-wrap img[src=""] ~ .icon-fallback {
  font-size: 1.5rem;
}

.feature-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-navy);
  margin-bottom: 0.625rem;
}

.feature-desc {
  color: rgba(30, 58, 138, 0.65);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-bottom: 1rem;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.feature-list li {
  font-size: 0.8125rem;
  color: rgba(30, 58, 138, 0.55);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.feature-list li::before {
  content: '→';
  color: var(--color-sky-dark);
  font-weight: 700;
  flex-shrink: 0;
}

/* ----------------------------------------------------------------
   SHOWCASE / Z-PATTERN
---------------------------------------------------------------- */
.screenshot-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  border: 1px solid #e2e8f0;
  background: #f1f5f9;
  min-height: 240px;
}

.screenshot-placeholder-sm {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
}

/* Esconde o placeholder quando a imagem carrega */
.screenshot-frame img:not([src=""]):not([src*="placeholder"]) + .screenshot-placeholder-sm {
  display: none;
}

/* Hero screenshot placeholder */
.screenshot-placeholder {
  display: none;
  background: rgba(0,0,0,0.4);
}

.screenshot-placeholder ~ img[src=""],
img[src=""] + .screenshot-placeholder,
img:not([src]) + .screenshot-placeholder {
  display: flex;
}

.check-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  background: rgba(56, 189, 248, 0.12);
  color: var(--color-sky-dark);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 800;
}

/* ----------------------------------------------------------------
   TIMELINE — ONBOARDING
---------------------------------------------------------------- */
.timeline-item {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 0;
}

@media (min-width: 1024px) {
  .timeline-item {
    display: grid;
    grid-template-columns: 1fr 2rem 1fr;
    gap: 2rem;
    padding: 1.5rem 0;
  }

  .timeline-left  { grid-template-areas: "card dot empty"; }
  .timeline-right { grid-template-areas: "empty dot card"; }

  .timeline-left  .timeline-card { grid-area: card; text-align: right; }
  .timeline-right .timeline-card { grid-area: card; }
  .timeline-dot                  { grid-area: dot; justify-self: center; }

  .timeline-left  .timeline-card .timeline-step-num { margin-left: auto; }
}

.timeline-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: 1.5rem 2rem;
  transition: var(--transition-base);
}

.timeline-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(56, 189, 248, 0.3);
  transform: translateY(-2px);
}

.timeline-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius);
  background: rgba(56, 189, 248, 0.12);
  color: var(--color-sky);
  font-weight: 800;
  font-size: 0.75rem;
  margin-bottom: 0.625rem;
  letter-spacing: 0.05em;
}

.timeline-step-title {
  font-family: var(--font-heading);
  font-weight: 700;
  color: #fff;
  font-size: 1rem;
  margin-bottom: 0.375rem;
}

.timeline-step-desc {
  color: rgba(148, 163, 184, 0.85);
  font-size: 0.875rem;
  line-height: 1.6;
}

.timeline-dot {
  width: 0.875rem;
  height: 0.875rem;
  background: var(--color-sky);
  border-radius: 9999px;
  border: 2px solid var(--color-navy);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.2);
  flex-shrink: 0;
}

@media (max-width: 1023px) {
  .timeline-item {
    padding-left: 2rem;
    border-left: 2px solid rgba(255,255,255,0.1);
  }
  .timeline-dot {
    display: none;
  }
}

/* ----------------------------------------------------------------
   FORM STYLES
---------------------------------------------------------------- */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid #cbd5e1;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-navy);
  background: var(--color-offwhite);
  transition: var(--transition-base);
  appearance: none;
  -webkit-appearance: none;
  outline: none;
}

.form-input:focus {
  border-color: var(--color-sky-dark);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
  background: #fff;
}

.form-input.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

.form-input.success {
  border-color: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.12);
}

.form-error {
  display: block;
  font-size: 0.8125rem;
  color: #ef4444;
  margin-top: 0.375rem;
  min-height: 1.25rem;
}

select.form-input {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%231e3a8a' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.75rem center;
  background-repeat: no-repeat;
  background-size: 1.25rem;
  padding-right: 2.5rem;
  cursor: pointer;
}

select.form-input:focus {
  border-color: var(--color-sky-dark);
}

/* ----------------------------------------------------------------
   FOOTER
---------------------------------------------------------------- */
.footer-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.1);
  color: #94a3b8;
  transition: var(--transition-base);
}

.footer-social-link:hover {
  background: rgba(56, 189, 248, 0.15);
  border-color: rgba(56, 189, 248, 0.3);
  color: var(--color-sky);
}

/* ----------------------------------------------------------------
   SCROLL ANIMATIONS
---------------------------------------------------------------- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Delay utilities */
.animation-delay-100 { transition-delay: 0.1s; }
.animation-delay-200 { transition-delay: 0.2s; }
.animation-delay-300 { transition-delay: 0.3s; }

/* ----------------------------------------------------------------
   RESPONSIVIDADE — MOBILE FIRST
---------------------------------------------------------------- */
@media (max-width: 640px) {
  .section-title {
    font-size: 1.75rem;
  }

  .timeline-item {
    padding-left: 1.25rem;
  }

  .feature-card {
    padding: 1.5rem;
  }
}

/* ----------------------------------------------------------------
   FOCUS VISIBLE — ACESSIBILIDADE
---------------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--color-sky-dark);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ----------------------------------------------------------------
   SCROLLBAR CUSTOMIZADA (webkit)
---------------------------------------------------------------- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--color-offwhite);
}
::-webkit-scrollbar-thumb {
  background: rgba(30, 58, 138, 0.2);
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(30, 58, 138, 0.4);
}

/* ----------------------------------------------------------------
   BOTAO WHATSAPP 
---------------------------------------------------------------- */

.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 60px;
  height: 60px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
  z-index: 9999;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 10px 24px rgba(0,0,0,0.3);
}

.whatsapp-float img {
  width: 32px;
  height: 32px;
  display: block;
}

@media (max-width: 768px) {
  .whatsapp-float {
    right: 14px;
    bottom: 14px;
    width: 56px;
    height: 56px;
  }

  .whatsapp-float img {
    width: 28px;
    height: 28px;
  }
}