/*
 * Senha - Mastermind Classico Website
 * Global Styles - Mobile First Approach
 */

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

:root {
  /* Colors */
  --color-primary: #6366F1;
  --color-primary-dark: #4F46E5;
  --color-secondary: #EC4899;
  --color-background: #F9FAFB;
  --color-text: #1F2937;
  --color-text-light: #6B7280;
  --color-accent: #10B981;
  --color-white: #FFFFFF;
  --color-border: #E5E7EB;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Layout */
  --max-width: 800px;
  --header-height: 64px;

  /* Transitions */
  --transition: 0.3s ease;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Links */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

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

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

/* Lists */
ul, ol {
  padding-left: var(--spacing-lg);
}

li {
  margin-bottom: var(--spacing-sm);
}

/* ==================== HEADER ==================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-white);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.header__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--color-text);
}

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

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

.header__logo-img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: contain;
}

/* Mobile Navigation Toggle */
.nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  align-items: center;
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Navigation Menu */
.nav {
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-white);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  display: none;
}

.nav.nav--open {
  display: block;
}

.nav__list {
  list-style: none;
  padding: var(--spacing-md);
}

.nav__item {
  margin: 0;
}

.nav__link {
  display: block;
  padding: var(--spacing-md);
  color: var(--color-text);
  font-weight: 500;
  border-radius: 8px;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.nav__link:hover,
.nav__link--active {
  background: var(--color-background);
  color: var(--color-primary);
}

/* ==================== MAIN CONTENT ==================== */
.main {
  flex: 1;
  margin-top: var(--header-height);
  padding: var(--spacing-xl) var(--spacing-md);
}

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

/* ==================== HERO SECTION ==================== */
.hero {
  text-align: center;
  padding: var(--spacing-2xl) 0;
}

.hero__icon {
  font-size: 5rem;
  margin-bottom: var(--spacing-lg);
}

.hero__logo {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--spacing-lg);
  border-radius: 24px;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
}

.hero__title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-text);
  color: var(--color-white);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: 12px;
  font-weight: 600;
  font-size: var(--font-size-lg);
  transition: var(--transition);
  min-height: 52px;
}

.hero__cta:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.hero__cta svg {
  width: 24px;
  height: 24px;
}

.hero__screenshot {
  margin-top: var(--spacing-2xl);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 24px;
  padding: var(--spacing-xl);
  aspect-ratio: 9/16;
  max-width: 280px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: var(--font-size-lg);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.3);
}

/* ==================== FEATURES SECTION ==================== */
.features {
  padding: var(--spacing-3xl) 0;
}

.section__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  color: var(--color-text);
}

.features__grid {
  display: grid;
  gap: var(--spacing-lg);
}

.feature {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: 16px;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.feature:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.feature__icon {
  font-size: var(--font-size-2xl);
  flex-shrink: 0;
}

.feature__content h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.feature__content p {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* ==================== HOW IT WORKS ==================== */
.how-it-works {
  padding: var(--spacing-3xl) 0;
  background: var(--color-white);
  margin: 0 calc(-1 * var(--spacing-md));
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.steps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.step {
  text-align: center;
}

.step__number {
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-xl);
  margin: 0 auto var(--spacing-md);
}

.step__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.step__description {
  color: var(--color-text-light);
}

/* ==================== PAGE HEADER ==================== */
.page-header {
  text-align: center;
  padding: var(--spacing-2xl) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-2xl);
}

.page-header__title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.page-header__date {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* ==================== CONTENT SECTIONS ==================== */
.content {
  padding-bottom: var(--spacing-3xl);
}

.content h2 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.content h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.content p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.content ul,
.content ol {
  margin-bottom: var(--spacing-md);
}

.content strong {
  font-weight: 600;
}

/* Data Collection List (Privacy Page) */
.data-list {
  list-style: none;
  padding-left: 0;
  background: var(--color-white);
  border-radius: 12px;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.data-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.data-list li:last-child {
  border-bottom: none;
}

.data-list .icon-no {
  color: #EF4444;
}

.data-list .icon-yes {
  color: var(--color-accent);
}

/* Local Data Box */
.local-data-box {
  background: linear-gradient(135deg, #E0E7FF, #FCE7F3);
  border-radius: 12px;
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.local-data-box h3 {
  margin-top: 0;
  color: var(--color-primary-dark);
}

.local-data-box ul {
  margin-bottom: 0;
}

/* Contact Box */
.contact-box {
  background: var(--color-white);
  border: 2px solid var(--color-primary);
  border-radius: 12px;
  padding: var(--spacing-xl);
  text-align: center;
  margin-top: var(--spacing-2xl);
}

.contact-box h2 {
  margin-top: 0;
  color: var(--color-primary);
}

.contact-box__email {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: 8px;
  font-weight: 600;
  transition: var(--transition);
  min-height: 48px;
}

.contact-box__email:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
}

/* ==================== FAQ SECTION ==================== */
.faq {
  margin-top: var(--spacing-xl);
}

.faq__item {
  background: var(--color-white);
  border-radius: 12px;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.faq__question {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.faq__answer {
  color: var(--color-text-light);
}

.faq__answer strong {
  color: var(--color-text);
}

/* Peg explanation */
.peg-explanation {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin: var(--spacing-md) 0;
}

.peg {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.peg__dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  flex-shrink: 0;
}

.peg__dot--black {
  background: #1F2937;
}

.peg__dot--white {
  background: var(--color-white);
  border: 2px solid #1F2937;
}

/* ==================== FOOTER ==================== */
.footer {
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl) var(--spacing-md);
  margin-top: auto;
}

.footer__container {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.footer__link {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  min-height: 44px;
  display: flex;
  align-items: center;
}

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

.footer__copyright {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
}

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

.footer__email a {
  color: var(--color-primary);
}

/* ==================== LANGUAGE SWITCHER ==================== */
.lang-switcher {
  display: flex;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
  justify-content: center;
}

.lang-switcher__btn {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 4px;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: var(--transition);
}

.lang-switcher__btn:hover,
.lang-switcher__btn--active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* ==================== RESPONSIVE - TABLET AND UP ==================== */
@media (min-width: 768px) {
  :root {
    --spacing-xl: 2.5rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 5rem;
  }

  /* Header */
  .nav__toggle {
    display: none;
  }

  .nav {
    position: static;
    display: block;
    box-shadow: none;
    background: transparent;
  }

  .nav__list {
    display: flex;
    gap: var(--spacing-sm);
    padding: 0;
  }

  .nav__link {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  /* Hero */
  .hero__title {
    font-size: var(--font-size-4xl);
  }

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

  /* Features */
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* How it Works */
  .how-it-works {
    margin: 0;
    border-radius: 24px;
  }

  .steps {
    flex-direction: row;
    justify-content: center;
  }

  .step {
    flex: 1;
    max-width: 200px;
  }

  /* FAQ */
  .faq__item {
    padding: var(--spacing-xl);
  }

  /* Peg explanation */
  .peg-explanation {
    flex-direction: row;
    gap: var(--spacing-xl);
  }
}

/* ==================== UTILITY CLASSES ==================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

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

/* ==================== PRINT STYLES ==================== */
@media print {
  .header,
  .footer,
  .nav__toggle {
    display: none;
  }

  .main {
    margin-top: 0;
  }

  body {
    background: white;
    color: black;
  }

  a {
    color: black;
    text-decoration: underline;
  }
}