/* ==========================================================================
   Nivon - Main Styles
   ========================================================================== */

@import url('variables.css');

/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-body);
  font-weight: var(--font-regular);
  line-height: var(--leading-normal);
  color: var(--color-neutral);
  background-color: var(--color-white);
}

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

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

a:hover {
  color: var(--color-secondary);
}

ul, ol {
  list-style: none;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--color-primary);
}

h1 { font-size: var(--font-h1); }
h2 { font-size: var(--font-h2); }
h3 { font-size: var(--font-h3); }
h4 { font-size: var(--font-h4); }
h5 { font-size: var(--font-h5); }
h6 { font-size: var(--font-h6); }

p {
  margin-bottom: var(--space-sm);
}

.text-display {
  font-size: var(--font-display);
  font-weight: var(--font-extrabold);
  letter-spacing: var(--tracking-tight);
}

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-3xl) 0;
}

.section--dark {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.section--light {
  background-color: var(--color-neutral-50);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-primary);
  font-size: var(--font-body);
  font-weight: var(--font-semibold);
  line-height: 1;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn--primary {
  background-color: var(--color-secondary);
  color: var(--color-primary);
}

.btn--primary:hover {
  background-color: var(--color-secondary-light);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn--secondary:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

/* ==========================================================================
   Header
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

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

.header__logo-img {
  height: 40px;
  width: auto;
}

.header__logo-text {
  font-size: 1.75rem;
  font-weight: var(--font-extrabold);
  color: var(--color-primary);
  letter-spacing: var(--tracking-tight);
}

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

.header__nav-link {
  font-weight: var(--font-medium);
  color: var(--color-neutral-600);
  transition: color var(--transition-fast);
}

.header__nav-link:hover {
  color: var(--color-primary);
}

.header__cta {
  margin-left: var(--space-sm);
}

.header__mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.header__mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-fast);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding-top: calc(80px + var(--space-3xl));
  padding-bottom: var(--space-3xl);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.hero__content {
  max-width: 600px;
}

.hero__badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: rgba(177, 166, 255, 0.2);
  color: var(--color-accent);
  font-size: var(--font-body-sm);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.hero__title {
  font-size: var(--font-display);
  font-weight: var(--font-extrabold);
  color: var(--color-white);
  margin-bottom: var(--space-md);
  letter-spacing: var(--tracking-tight);
}

.hero__subtitle {
  font-size: var(--font-body-lg);
  color: var(--color-neutral-300);
  margin-bottom: var(--space-lg);
  line-height: var(--leading-relaxed);
}

.hero__buttons {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__graphic {
  width: 100%;
  max-width: 500px;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-tertiary) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xl);
}

.hero__graphic-inner {
  width: 80%;
  height: 80%;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__graphic-icon {
  font-size: 5rem;
  color: var(--color-white);
}

/* ==========================================================================
   Features (O Que Fazemos)
   ========================================================================== */

.features {
  padding: var(--space-3xl) 0;
}

.features__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-2xl);
}

.features__subtitle {
  color: var(--color-secondary);
  font-weight: var(--font-semibold);
  font-size: var(--font-body-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-sm);
}

.features__title {
  margin-bottom: var(--space-md);
}

.features__description {
  color: var(--color-neutral-600);
  font-size: var(--font-body-lg);
}

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

.feature-card {
  padding: var(--space-lg);
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-neutral-200);
  transition: all var(--transition-normal);
}

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

.feature-card__icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-tertiary) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.feature-card__icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-white);
}

.feature-card__title {
  font-size: var(--font-h5);
  margin-bottom: var(--space-xs);
}

.feature-card__text {
  color: var(--color-neutral-600);
  font-size: var(--font-body-sm);
}

/* ==========================================================================
   How It Works (Como Funciona)
   ========================================================================== */

.how-it-works {
  padding: var(--space-3xl) 0;
  background-color: var(--color-neutral-50);
}

.how-it-works__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-2xl);
}

.how-it-works__subtitle {
  color: var(--color-secondary);
  font-weight: var(--font-semibold);
  font-size: var(--font-body-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-sm);
}

.how-it-works__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  position: relative;
}

.how-it-works__steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-tertiary));
  z-index: 0;
}

.step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step__number {
  width: 80px;
  height: 80px;
  background-color: var(--color-white);
  border: 3px solid var(--color-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-size: var(--font-h3);
  font-weight: var(--font-bold);
  color: var(--color-primary);
}

.step__title {
  font-size: var(--font-h5);
  margin-bottom: var(--space-xs);
}

.step__text {
  color: var(--color-neutral-600);
  font-size: var(--font-body-sm);
}

/* ==========================================================================
   Why Choose Us (Por Que Nivon)
   ========================================================================== */

.why-us {
  padding: var(--space-3xl) 0;
}

.why-us__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.why-us__content {
  max-width: 500px;
}

.why-us__subtitle {
  color: var(--color-secondary);
  font-weight: var(--font-semibold);
  font-size: var(--font-body-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-sm);
}

.why-us__title {
  margin-bottom: var(--space-md);
}

.why-us__description {
  color: var(--color-neutral-600);
  margin-bottom: var(--space-lg);
}

.why-us__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.why-us__item {
  display: flex;
  gap: var(--space-sm);
}

.why-us__item-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--color-success);
}

.why-us__item-text {
  color: var(--color-neutral-700);
}

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

.stat-card {
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-lg);
  color: var(--color-white);
  text-align: center;
}

.stat-card__number {
  font-size: var(--font-h2);
  font-weight: var(--font-extrabold);
  color: var(--color-secondary);
  margin-bottom: var(--space-xs);
}

.stat-card__label {
  font-size: var(--font-body-sm);
  color: var(--color-neutral-300);
}

/* ==========================================================================
   Contact (Contato)
   ========================================================================== */

.contact {
  padding: var(--space-3xl) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
}

.contact__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-2xl);
}

.contact__subtitle {
  color: var(--color-secondary);
  font-weight: var(--font-semibold);
  font-size: var(--font-body-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-sm);
}

.contact__title {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.contact__description {
  color: var(--color-neutral-300);
}

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

.contact-card {
  padding: var(--space-lg);
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  text-align: center;
  backdrop-filter: blur(10px);
}

.contact-card__icon {
  width: 56px;
  height: 56px;
  background-color: var(--color-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
}

.contact-card__icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.contact-card__title {
  font-size: var(--font-h5);
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.contact-card__text {
  color: var(--color-neutral-300);
  font-size: var(--font-body-sm);
}

.contact-card__link {
  color: var(--color-secondary);
  font-weight: var(--font-medium);
}

.contact-card__link:hover {
  color: var(--color-secondary-light);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  padding: var(--space-2xl) 0 var(--space-lg);
  background-color: var(--color-neutral-900);
  color: var(--color-neutral-400);
}

.footer__container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-xl);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 1.5rem;
  font-weight: var(--font-extrabold);
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.footer__logo-img {
  height: 36px;
  width: auto;
}

.footer__description {
  font-size: var(--font-body-sm);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-md);
}

.footer__section-title {
  font-size: var(--font-body);
  font-weight: var(--font-semibold);
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

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

.footer__link {
  color: var(--color-neutral-400);
  font-size: var(--font-body-sm);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-secondary);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
  font-size: var(--font-body-sm);
}

.footer__contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-secondary);
}

.footer__bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-neutral-800);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

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

.footer__cnpj {
  font-size: var(--font-body-sm);
  color: var(--color-neutral-500);
}

/* ==========================================================================
   Legal Pages (Privacidade, Termos)
   ========================================================================== */

.legal-page {
  padding-top: calc(80px + var(--space-2xl));
  padding-bottom: var(--space-2xl);
}

.legal-page__header {
  text-align: center;
  padding: var(--space-2xl) 0;
  background-color: var(--color-neutral-50);
  margin-bottom: var(--space-2xl);
}

.legal-page__title {
  margin-bottom: var(--space-sm);
}

.legal-page__date {
  color: var(--color-neutral-500);
  font-size: var(--font-body-sm);
}

.legal-page__content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.legal-page__content h2 {
  font-size: var(--font-h4);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-secondary);
}

.legal-page__content h3 {
  font-size: var(--font-h5);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.legal-page__content p {
  margin-bottom: var(--space-md);
  color: var(--color-neutral-700);
}

.legal-page__content ul {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.legal-page__content li {
  margin-bottom: var(--space-xs);
  color: var(--color-neutral-700);
  position: relative;
  padding-left: var(--space-sm);
}

.legal-page__content li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background-color: var(--color-secondary);
  border-radius: 50%;
}

.legal-page__content strong {
  color: var(--color-primary);
}

.legal-page__content a {
  color: var(--color-secondary);
  text-decoration: underline;
}

.legal-page__content a:hover {
  color: var(--color-tertiary);
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}