/* ============================================================
   ASPIRANTIS — Design System & Styles
   A minimalist, Stripe/Notion-inspired design system
   for a local AI tech company.
   ============================================================ */

/* ---- CSS Custom Properties (Design Tokens) ---- */
:root {
  /* Colors */
  --color-primary: #6C5CE7;
  --color-primary-light: #A29BFE;
  --color-primary-dark: #5A4BD1;
  --color-primary-bg: #F0EDFF;

  --color-green: #00B894;
  --color-green-bg: #E8F8F5;
  --color-orange: #E17055;
  --color-orange-bg: #FFF0EC;
  --color-blue: #0984E3;
  --color-blue-bg: #E8F4FD;

  --color-bg: #FAFBFC;
  --color-bg-alt: #F4F5F7;
  --color-surface: #FFFFFF;
  --color-border: #E8EBF0;

  --color-text: #1A1D26;
  --color-text-secondary: #5A6178;
  --color-text-muted: #8E95A9;

  --color-whatsapp: #25D366;
  --color-whatsapp-dark: #1EBE5A;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.25rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.07), 0 4px 10px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.1), 0 8px 20px rgba(0, 0, 0, 0.05);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Layout */
  --container-max: 1200px;
  --navbar-height: 72px;
}


/* ---- Reset & Base ---- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

ul {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-text);
}


/* ---- Layout ---- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-5);
  }
}


/* ---- Utility Classes ---- */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-muted {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}


/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-family);
  font-weight: 600;
  font-size: var(--font-size-sm);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-xs);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-base);
}

.btn--full {
  width: 100%;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
  box-shadow: 0 4px 14px rgba(108, 92, 231, 0.4);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-bg);
}

.btn--whatsapp {
  background: var(--color-whatsapp);
  color: #fff;
  border-color: var(--color-whatsapp);
}

.btn--whatsapp:hover {
  background: var(--color-whatsapp-dark);
  border-color: var(--color-whatsapp-dark);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
}


/* ---- Section Header (reusable) ---- */
.section-label {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  background: var(--color-primary-bg);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-16);
}

.section-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .section-title {
    font-size: var(--font-size-2xl);
  }
  .section-subtitle {
    font-size: var(--font-size-base);
  }
  .section-header {
    margin-bottom: var(--space-10);
  }
}


/* ---- Avatar ---- */
.avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
  color: #fff;
  flex-shrink: 0;
}


/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--navbar-height);
  background: rgba(250, 251, 252, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.navbar--scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 800;
  font-size: var(--font-size-xl);
  color: var(--color-text);
  text-decoration: none;
}

.navbar__logo:hover {
  color: var(--color-text);
}

.navbar__logo-icon {
  flex-shrink: 0;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.navbar__links a {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.navbar__cta {
  flex-shrink: 0;
}

.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.navbar__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* Hamburger open state */
.navbar__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar__hamburger.active span:nth-child(2) {
  opacity: 0;
}

.navbar__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 900px) {
  .navbar__links,
  .navbar__cta {
    display: none;
  }

  .navbar__hamburger {
    display: flex;
  }

  /* Mobile menu */
  .navbar__links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    padding: var(--space-6);
    gap: var(--space-4);
  }

  .navbar__links.active a {
    font-size: var(--font-size-base);
    padding: var(--space-2) 0;
  }
}


/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding-top: calc(var(--navbar-height) + var(--space-16));
  padding-bottom: var(--space-24);
  background: linear-gradient(180deg, var(--color-bg) 0%, #fff 100%);
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero__badge {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-bg);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
  letter-spacing: 0.02em;
}

.hero__title {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 520px;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}

.hero__proof {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.hero__proof-items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
}

.hero__proof-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* Hero Illustration (right side) */
.hero__illustration {
  position: relative;
  padding: var(--space-8);
}

.hero__illustration-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.hero__illustration-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  min-width: 0;
  overflow: hidden;
}

.hero__illustration-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.hero__illustration-card span {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.hero__illustration-card strong {
  display: block;
  font-size: var(--font-size-lg);
  margin-top: var(--space-1);
  color: var(--color-text);
}

.hero__illustration-card--wide {
  grid-column: 1 / -1;
}

/* Animated pulse dots */
.pulse-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  position: relative;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-primary);
  animation: pulse 2s ease-in-out infinite;
}

.pulse-dot--green {
  background: var(--color-green);
}

.pulse-dot--green::after {
  border-color: var(--color-green);
}

.pulse-dot--blue {
  background: var(--color-blue);
}

.pulse-dot--blue::after {
  border-color: var(--color-blue);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.5); }
}

/* Decorative rings behind the illustration */
.hero__illustration-ring {
  position: absolute;
  width: 400px;
  height: 400px;
  border: 1px solid var(--color-primary-bg);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: -1;
}

.hero__illustration-ring--2 {
  width: 550px;
  height: 550px;
  border-color: rgba(108, 92, 231, 0.05);
}

@media (max-width: 900px) {
  .hero {
    overflow: visible;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
    text-align: center;
  }

  .hero__content {
    max-width: 100%;
    overflow: hidden;
  }

  .hero__title {
    font-size: var(--font-size-3xl);
  }

  .hero__subtitle {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__proof {
    justify-content: center;
  }

  .hero__proof-items {
    justify-content: center;
  }

  .hero__visual {
    order: -1;
    width: 100%;
    max-width: 100%;
  }

  .hero__illustration {
    width: 100%;
    max-width: 360px;
    margin: 0 auto;
    padding: 0;
    box-sizing: border-box;
  }

  .hero__illustration-card strong {
    font-size: var(--font-size-base);
    word-break: break-word;
  }

  .hero__illustration-ring,
  .hero__illustration-ring--2 {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero {
    padding-top: calc(var(--navbar-height) + var(--space-6));
    padding-bottom: var(--space-10);
  }

  .hero__badge {
    font-size: 0.7rem;
  }

  .hero__title {
    font-size: var(--font-size-2xl);
  }

  .hero__subtitle {
    font-size: var(--font-size-sm);
  }

  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .hero__actions .btn {
    font-size: var(--font-size-sm);
    padding: var(--space-3) var(--space-5);
    white-space: normal;
    text-align: center;
    width: 100%;
    max-width: 280px;
  }

  .hero__proof-item {
    font-size: var(--font-size-xs);
  }

  .hero__illustration {
    max-width: 100%;
    padding: 0;
  }

  .hero__illustration-grid {
    gap: var(--space-3);
  }

  .hero__illustration-card {
    padding: var(--space-3);
    text-align: center;
  }

  .hero__illustration-card span {
    font-size: 0.65rem;
  }

  .hero__illustration-card strong {
    font-size: var(--font-size-xs);
    word-break: break-word;
  }

  .pulse-dot {
    margin: 0 auto;
  }
}


/* ============================================================
   SERVICES
   ============================================================ */
.services {
  padding: var(--space-24) 0;
  background: var(--color-surface);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.service-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-primary-bg);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.service-card__icon--green {
  background: var(--color-green-bg);
  color: var(--color-green);
}

.service-card__icon--orange {
  background: var(--color-orange-bg);
  color: var(--color-orange);
}

.service-card__icon--blue {
  background: var(--color-blue-bg);
  color: var(--color-blue);
}

.service-card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

.service-card__desc {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.service-card__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.service-card__features li {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  padding-left: var(--space-5);
  position: relative;
}

.service-card__features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
}

.service-card__icon--purple {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .services__grid {
    grid-template-columns: 1fr;
  }
}


/* ============================================================
   PROCESS (How It Works)
   ============================================================ */
.process {
  padding: var(--space-24) 0;
  background: var(--color-bg);
}

.process__steps {
  max-width: 640px;
  margin: 0 auto;
}

.process__step {
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
}

.process__step-number {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: 800;
}

.process__step-number--green {
  background: var(--color-green);
}

.process__step-number--orange {
  background: var(--color-orange);
}

.process__step-content h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

.process__step-content p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.process__connector {
  width: 2px;
  height: 40px;
  background: var(--color-border);
  margin-left: 27px;
  margin-top: var(--space-2);
  margin-bottom: var(--space-2);
}


/* ============================================================
   BENEFITS
   ============================================================ */
.benefits {
  padding: var(--space-24) 0;
  background: var(--color-surface);
}

.benefits__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.benefit-card {
  text-align: center;
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  transition: all var(--transition-base);
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.benefit-card__metric {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  letter-spacing: -0.03em;
}

.benefit-card__metric--green {
  color: var(--color-green);
}

.benefit-card__metric--orange {
  color: var(--color-orange);
}

.benefit-card__metric--blue {
  color: var(--color-blue);
}

.benefit-card__title {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-2);
}

.benefit-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .benefits__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .benefits__grid {
    grid-template-columns: 1fr;
  }
}


/* ============================================================
   SOLUTIONS IN ACTION
   ============================================================ */
.solutions {
  padding: var(--space-24) 0;
  background: var(--color-bg);
}

.solutions__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.solution-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.solution-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.solution-card__badge {
  display: inline-block;
  align-self: flex-start;
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-bg);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.solution-card__badge--green {
  color: var(--color-green);
  background: var(--color-green-bg);
}

.solution-card__badge--orange {
  color: var(--color-orange);
  background: var(--color-orange-bg);
}

.solution-card__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-5);
  line-height: 1.3;
}

.solution-card__scenario {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  flex-grow: 1;
}

.solution-card__before,
.solution-card__after {
  padding: var(--space-4);
  border-radius: var(--radius-md);
}

.solution-card__before {
  background: var(--color-bg-alt);
  border-left: 3px solid var(--color-text-muted);
}

.solution-card__after {
  background: rgba(108, 92, 231, 0.04);
  border-left: 3px solid var(--color-primary);
}

.solution-card__label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.solution-card__label--before {
  color: var(--color-text-muted);
}

.solution-card__label--after {
  color: var(--color-primary);
}

.solution-card__before p,
.solution-card__after p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.solution-card__tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.solution-card__tags span {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  background: var(--color-bg);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

@media (max-width: 900px) {
  .solutions__grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
}


/* ============================================================
   ABOUT
   ============================================================ */
.about {
  padding: var(--space-24) 0;
  background: var(--color-surface);
}

.about .about__content {
  max-width: 720px;
  margin: 0 auto var(--space-12);
  text-align: center;
}

.about .about__content .section-label {
  display: inline-block;
}

.about .about__content .section-title {
  margin-bottom: var(--space-6);
}

.about .about__content p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}

/* Differentials cards */
.about__differentials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  max-width: 1000px;
  margin: 0 auto;
}

.differential-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.differential-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.differential-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-primary-bg);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.differential-card__icon--green {
  background: var(--color-green-bg);
  color: var(--color-green);
}

.differential-card__icon--orange {
  background: var(--color-orange-bg);
  color: var(--color-orange);
}

.differential-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

.differential-card p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

@media (max-width: 900px) {
  .about__differentials {
    grid-template-columns: 1fr;
    max-width: 500px;
  }
}


/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  padding: var(--space-24) 0;
  background: var(--color-bg);
}

/* Contact cards grid (no form) */
.contact__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  max-width: 720px;
  margin: 0 auto;
}

.contact__info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
}

.contact__info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.contact__info-card--highlight {
  border-color: var(--color-whatsapp);
  box-shadow: 0 0 0 1px rgba(37, 211, 102, 0.15);
}

.contact__info-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  background: rgba(37, 211, 102, 0.1);
  color: var(--color-whatsapp);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
}

.contact__info-icon--blue {
  background: var(--color-blue-bg);
  color: var(--color-blue);
}

.contact__info-icon--green {
  background: var(--color-green-bg);
  color: var(--color-green);
}

.contact__info-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-3);
}

.contact__info-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-2);
}

.contact__info-card a {
  color: var(--color-primary);
  font-weight: 500;
}

.contact__info-card .btn {
  margin-top: var(--space-4);
}

.contact__email-link {
  display: block;
  margin-top: var(--space-4);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  word-break: break-all;
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary-bg);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.contact__email-link:hover {
  background: var(--color-primary);
  color: #fff;
}

@media (max-width: 900px) {
  .contact__cards {
    grid-template-columns: 1fr;
    max-width: 420px;
  }
}

@media (max-width: 480px) {
  .contact__email-link {
    font-size: var(--font-size-sm);
    word-break: break-all;
  }
}


/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__brand .navbar__logo {
  color: #fff;
  margin-bottom: var(--space-4);
}

.footer__tagline {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  max-width: 280px;
}

.footer__links h4 {
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer__links ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__links a {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: #fff;
}

.footer__bottom {
  text-align: center;
  padding-top: var(--space-8);
}

.footer__bottom p {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.3);
}

@media (max-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .footer__inner {
    grid-template-columns: 1fr;
  }
}


/* ============================================================
   FLOATING WHATSAPP BUTTON
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: var(--color-whatsapp);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 900;
  transition: all var(--transition-base);
}

.whatsapp-float:hover {
  background: var(--color-whatsapp-dark);
  color: #fff;
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
}


/* ============================================================
   SCROLL ANIMATIONS
   Elements start hidden and animate in via JS.
   ============================================================ */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].animate-in {
  opacity: 1;
  transform: translateY(0);
}