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

:root {
  --primary:     #0A1F44;
  --blue:        #2563EB;
  --blue-hover:  #1D4ED8;
  --blue-light:  #EFF6FF;
  --white:       #FFFFFF;
  --gray-50:     #F8FAFC;
  --gray-100:    #F1F5F9;
  --gray-200:    #E2E8F0;
  --gray-400:    #94A3B8;
  --gray-600:    #475569;
  --gray-800:    #1E293B;
  --success:     #10B981;
  --radius:      12px;
  --radius-lg:   20px;
  --shadow:      0 4px 24px rgba(0,0,0,.08);
  --shadow-lg:   0 8px 40px rgba(0,0,0,.14);
  --transition:  .25s ease;
  --font:        'Inter', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== TYPOGRAPHY ===== */
h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 900; line-height: 1.15; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 800; line-height: 1.2; }
h3 { font-size: 1.2rem; font-weight: 700; }
h4 { font-size: 1rem; font-weight: 700; }
p  { color: var(--gray-600); line-height: 1.7; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}
.btn--primary  { background: var(--blue); color: var(--white); }
.btn--primary:hover { background: var(--blue-hover); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,99,235,.35); }
.btn--ghost    { background: transparent; color: var(--primary); border-color: var(--gray-200); }
.btn--ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn--nav      { background: var(--blue); color: var(--white); padding: 10px 20px; font-size: .875rem; }
.btn--nav:hover { background: var(--blue-hover); }
.btn--white    { background: var(--white); color: var(--primary); }
.btn--white:hover { background: var(--gray-100); transform: translateY(-2px); }
.btn--ghost-white { background: transparent; color: var(--white); border-color: rgba(255,255,255,.4); }
.btn--ghost-white:hover { border-color: var(--white); background: rgba(255,255,255,.1); }
.btn--lg { padding: 15px 32px; font-size: 1rem; border-radius: 14px; }

/* ===== BADGES & TAGS ===== */
.badge {
  display: inline-block;
  background: var(--blue-light);
  color: var(--blue);
  border: 1px solid #BFDBFE;
  border-radius: 999px;
  padding: 6px 16px;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 20px;
}
.section-tag {
  display: inline-block;
  font-size: .85rem;
  font-weight: 700;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 12px;
}
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}
.section-header h2 { margin-bottom: 14px; }

/* ===== HIGHLIGHT ===== */
.highlight {
  background: linear-gradient(135deg, var(--blue), #7C3AED);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== ANIMATIONS ===== */
[data-animate], [data-animate-delay] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
[data-animate-delay] { transition-delay: .2s; }
.is-visible { opacity: 1 !important; transform: translateY(0) !important; }

/* ===========================
   HEADER
=========================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: var(--shadow); }
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo { display: flex; align-items: center; font-size: 1.4rem; font-weight: 900; letter-spacing: -.02em; }
.logo__dsm { color: var(--primary); }
.logo__sys { color: var(--blue); margin-left: 2px; }

.nav { display: flex; align-items: center; gap: 32px; }
.nav__link { font-size: .9rem; font-weight: 500; color: var(--gray-600); transition: color var(--transition); }
.nav__link:hover { color: var(--blue); }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--primary); border-radius: 2px; transition: var(--transition); }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===========================
   HERO
=========================== */
.hero {
  position: relative;
  padding: 140px 0 100px;
  overflow: hidden;
  background: linear-gradient(160deg, #F0F6FF 0%, #FFFFFF 60%);
}
.hero__bg {
  position: absolute;
  top: -200px; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(37,99,235,.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero__title { margin-bottom: 20px; color: var(--primary); }
.hero__sub { font-size: 1.1rem; margin-bottom: 36px; max-width: 480px; }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.hero__trust { display: flex; gap: 20px; flex-wrap: wrap; }
.hero__trust span { font-size: .85rem; font-weight: 500; color: var(--gray-600); }

/* Hero Card */
.hero__visual { display: flex; justify-content: center; }
.hero__card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 24px;
  width: 100%;
  max-width: 380px;
  border: 1px solid var(--gray-200);
  animation: float 4s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.hero__card-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot--green  { background: #10B981; }
.dot--yellow { background: #F59E0B; }
.dot--red    { background: #EF4444; }
.hero__card-title { font-size: .8rem; color: var(--gray-400); margin-left: 8px; font-weight: 500; }

.hero__card-body { display: flex; flex-direction: column; gap: 14px; margin-bottom: 20px; }
.metric { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; background: var(--gray-50); border-radius: var(--radius); }
.metric__label { font-size: .8rem; color: var(--gray-600); }
.metric__value { font-size: 1.1rem; font-weight: 800; color: var(--primary); }

.bar-label { display: flex; justify-content: space-between; font-size: .8rem; color: var(--gray-600); margin-bottom: 8px; }
.bar-label span { font-weight: 600; color: var(--success); }
.bar-track { background: var(--gray-100); border-radius: 99px; height: 8px; overflow: hidden; }
.bar-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--blue), #7C3AED);
  border-radius: 99px;
  transition: width 1.5s ease .5s;
}
.bar-fill.animated { width: 87%; }

/* ===========================
   NUMBERS
=========================== */
.numbers {
  background: var(--primary);
  padding: 60px 0;
}
.numbers__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.number-item__value {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--white);
}
.number-item__suffix {
  font-size: 2rem;
  font-weight: 900;
  color: var(--blue);
}
.number-item p {
  color: rgba(255,255,255,.65);
  font-size: .9rem;
  margin-top: 6px;
}

/* ===========================
   PROBLEM
=========================== */
.problem {
  padding: 100px 0;
  background: var(--gray-50);
}
.problem__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.problem__item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
}
.problem__item:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.problem__icon { font-size: 2rem; display: block; margin-bottom: 16px; }
.problem__item h3 { margin-bottom: 10px; color: var(--primary); }
.problem__cta { text-align: center; }
.problem__cta p { margin-bottom: 20px; font-size: 1.05rem; }

/* ===========================
   SOLUTIONS
=========================== */
.solutions { padding: 100px 0; }
.solutions__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.solution-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  position: relative;
  transition: var(--transition);
}
.solution-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--blue); }
.solution-card--featured {
  border-color: var(--blue);
  background: linear-gradient(160deg, #EFF6FF, var(--white));
  box-shadow: 0 0 0 4px rgba(37,99,235,.08);
}
.solution-card__badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--blue);
  color: var(--white);
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 999px;
  white-space: nowrap;
}
.solution-card__icon { font-size: 2.2rem; margin-bottom: 16px; }
.solution-card h3 { margin-bottom: 12px; color: var(--primary); }
.solution-card p { margin-bottom: 16px; font-size: .9rem; }
.solution-card ul { display: flex; flex-direction: column; gap: 8px; }
.solution-card ul li { font-size: .85rem; color: var(--gray-600); }

/* ===========================
   HOW IT WORKS
=========================== */
.how {
  padding: 100px 0;
  background: var(--gray-50);
}
.how__steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}
.step {
  flex: 1;
  text-align: center;
  padding: 0 16px;
}
.step__number {
  width: 56px; height: 56px;
  background: var(--blue);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  margin: 0 auto 16px;
}
.step__content h3 { color: var(--primary); margin-bottom: 8px; }
.step__content p { font-size: .875rem; }
.step__connector {
  flex: 0 0 40px;
  height: 2px;
  background: var(--blue);
  margin-top: 27px;
  opacity: .3;
}

/* ===========================
   BENEFITS
=========================== */
.benefits { padding: 100px 0; }
.benefits__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.benefits__text { display: flex; flex-direction: column; gap: 20px; align-items: flex-start; }
.benefits__text h2, .benefits__text p { color: var(--primary); }
.benefits__text > p { color: var(--gray-600); }
.benefits__list { display: flex; flex-direction: column; gap: 24px; }
.benefit { display: flex; gap: 16px; align-items: flex-start; }
.benefit__icon { font-size: 1.5rem; flex-shrink: 0; margin-top: 2px; }
.benefit h4 { color: var(--primary); margin-bottom: 4px; }
.benefit p { font-size: .875rem; }

/* ===========================
   DIFFERENTIAL
=========================== */
.differential {
  padding: 100px 0;
  background: var(--gray-50);
}
.differential__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.differential__content { display: flex; flex-direction: column; gap: 18px; }
.differential__content h2 { color: var(--primary); }
.differential__box {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
}
.diff-item { display: flex; gap: 16px; align-items: flex-start; }
.diff-item span { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.diff-item strong { display: block; color: var(--primary); margin-bottom: 4px; }
.diff-item p { font-size: .875rem; }
.diff-divider { height: 1px; background: var(--gray-200); margin: 24px 0; }

/* ===========================
   FAQ
=========================== */
.faq { padding: 100px 0; }
.faq__list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq__item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}
.faq__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: none;
  border: none;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  text-align: left;
  gap: 16px;
  transition: background var(--transition);
}
.faq__question:hover { background: var(--gray-50); }
.faq__icon {
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--blue);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq__item.open .faq__icon { transform: rotate(45deg); }
.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .4s ease;
  padding: 0 24px;
}
.faq__answer p { color: var(--gray-600); font-size: .95rem; }
.faq__item.open .faq__answer { max-height: 200px; padding: 0 24px 20px; }

/* ===========================
   CTA FINAL
=========================== */
.cta-final {
  background: linear-gradient(135deg, var(--primary) 0%, #1a3a6b 100%);
  padding: 100px 0;
  text-align: center;
}
.cta-final__inner h2 { color: var(--white); margin-bottom: 16px; }
.cta-final__inner p { color: rgba(255,255,255,.8); font-size: 1.1rem; margin-bottom: 36px; }
.cta-final__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 20px; }
.cta-final__note { font-size: .85rem; color: rgba(255,255,255,.5); }

/* ===========================
   FOOTER
=========================== */
.footer { background: var(--gray-800); padding: 60px 0 0; }
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer__brand p { color: rgba(255,255,255,.5); font-size: .9rem; margin-top: 12px; }
.footer__links, .footer__contact { display: flex; flex-direction: column; gap: 12px; }
.footer__links h4, .footer__contact h4 { color: var(--white); font-size: .9rem; }
.footer__links a, .footer__contact a { color: rgba(255,255,255,.5); font-size: .875rem; transition: color var(--transition); }
.footer__links a:hover, .footer__contact a:hover { color: var(--white); }
.footer__bottom { text-align: center; padding: 20px; }
.footer__bottom p { color: rgba(255,255,255,.3); font-size: .8rem; }

/* ===========================
   WHATSAPP FLOAT
=========================== */
.whatsapp-float {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 60px; height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.5);
  z-index: 999;
  transition: transform var(--transition), box-shadow var(--transition);
  animation: pulse 2.5s ease-in-out infinite;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,.7); }
@keyframes pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,.5); }
  50% { box-shadow: 0 4px 32px rgba(37,211,102,.8), 0 0 0 8px rgba(37,211,102,.15); }
}

/* ===========================
   PRODUCTS
=========================== */
.products {
  padding: 100px 0;
  background: var(--white);
}
.products__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--blue); }
.product-card--featured {
  border-color: var(--blue);
  background: linear-gradient(160deg, #EFF6FF, var(--white));
  box-shadow: 0 0 0 4px rgba(37,99,235,.08);
}
.product-card__badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--blue);
  color: var(--white);
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 999px;
  white-space: nowrap;
}
.product-card__icon { font-size: 2.4rem; }
.product-card h3 { color: var(--primary); font-size: 1.25rem; }
.product-card p { font-size: .9rem; }
.product-card ul { display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-card ul li { font-size: .85rem; color: var(--gray-600); }
.product-card .btn { margin-top: 8px; align-self: flex-start; }

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 1024px) {
  .problem__grid,
  .solutions__grid { grid-template-columns: repeat(2, 1fr); }
  .numbers__grid { grid-template-columns: repeat(2, 1fr); }
  .hero__card { max-width: 320px; }
}

@media (max-width: 768px) {
  .nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--white);
    padding: 24px;
    border-bottom: 1px solid var(--gray-200);
    gap: 20px;
    box-shadow: var(--shadow);
  }
  .nav.open { display: flex; }
  .hamburger { display: flex; }

  .hero__inner,
  .benefits__inner,
  .differential__inner { grid-template-columns: 1fr; }
  .hero__visual { order: -1; }
  .hero__card { max-width: 100%; }

  .how__steps { flex-direction: column; align-items: center; }
  .step__connector { width: 2px; height: 32px; flex: 0 0 32px; margin-top: 0; }

  .numbers__grid { grid-template-columns: repeat(2, 1fr); }
  .problem__grid,
  .solutions__grid { grid-template-columns: 1fr; }

  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 480px) {
  .hero { padding: 100px 0 60px; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .numbers__grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .number-item__value { font-size: 2rem; }
  .cta-final__actions { flex-direction: column; align-items: center; }
  .cta-final__actions .btn { width: 100%; justify-content: center; }
}