/* =========================================================
   Escola de Varejo - Global Styles
   Based on ILOS Design Specification v1.0.0
   ========================================================= */

/* ---------------------------------------------------------
   1. CSS Custom Properties (Design Tokens)
   --------------------------------------------------------- */
:root {
    /* Primary Colors */
    --color-primary: #1D1D1B;
    --color-secondary: #F39200;
    --color-accent: #F59300;

    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-body: rgba(0, 0, 0, 0.6);
    --color-light: rgba(199, 199, 199, 0.15);
    --color-dark: #000000;

    /* Extended Palette */
    --color-teal: #18403A;
    --color-cyan: #40D9F1;
    --color-sky: #ADE7FF;
    --color-warm-orange: #FFEDDE;

    /* Typography */
    --font-heading: 'Google Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Google Sans', Helvetica, Arial, sans-serif;
    --font-accent: 'Google Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing Scale */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;

    /* Layout */
    --container-max: 1196px;
    --container-wide: 1690px;
    --gutter: 24px;

    /* Transitions */
    --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-enter: cubic-bezier(0, 0, 0.2, 1);
    --ease-exit: cubic-bezier(0.4, 0, 1, 1);
    --duration-instant: 100ms;
    --duration-fast: 200ms;
    --duration-normal: 300ms;
    --duration-slow: 400ms;
}

/* ---------------------------------------------------------
   2. 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;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-body);
    background-color: var(--color-white);
    overflow-x: hidden;
    text-rendering: optimizeLegibility;
    -webkit-text-size-adjust: 100%;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-default);
}

ul, ol {
    list-style: none;
}

/* ---------------------------------------------------------
   3. Typography
   --------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1.2;
    letter-spacing: -0.027em;
    font-weight: 700;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

h1 { font-size: 54px; }
h2 { font-size: 36px; }
h3 { font-size: 26px; }
h4 { font-size: 20px; line-height: 1.3; }
h5 { font-size: 16px; letter-spacing: -0.015em; }
h6 { font-size: 14px; text-transform: uppercase; }

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

strong {
    font-weight: 700;
    color: var(--color-primary);
}

/* ---------------------------------------------------------
   4. Layout
   --------------------------------------------------------- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--gutter);
    width: 100%;
}

.section {
    padding: var(--space-4xl) 0;
}

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

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

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4,
.section-dark h5,
.section-dark h6 {
    color: var(--color-white);
}

.section-accent {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.section-accent h1,
.section-accent h2,
.section-accent h3,
.section-accent h4,
.section-accent h5,
.section-accent h6 {
    color: var(--color-white);
}

/* Section Grid */
.section-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.section-grid.reverse {
    direction: rtl;
}

.section-grid.reverse > * {
    direction: ltr;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-2xl);
}

.section-content {
    max-width: 600px;
}

.section-media img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.section-media-video {
    position: relative;
    aspect-ratio: 3 / 2;
    overflow: hidden;
}

.section-media-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.section-media-poster {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 20%;
    display: block;
    position: relative;
    z-index: 1;
}

/* ---------------------------------------------------------
   5. Eyebrow
   --------------------------------------------------------- */
.eyebrow {
    display: inline-block;
    font-family: var(--font-accent);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-secondary);
    margin-bottom: var(--space-md);
}

.section-dark .eyebrow,
.section-accent .eyebrow {
    color: var(--color-white);
    opacity: 0.9;
}

/* ---------------------------------------------------------
   6. Buttons
   --------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 14px 32px;
    font-family: var(--font-accent);
    font-size: 1em;
    font-weight: 400;
    text-transform: none;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-default);
    text-align: center;
    min-height: 48px;
    touch-action: manipulation;
}

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

.btn-primary:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: 0 4px 24px rgba(243, 146, 0, 0.3);
}

.btn-primary:active {
    transform: scale(0.98);
}

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

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

.btn-ghost {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

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

.btn-light {
    background-color: var(--color-white);
    color: var(--color-secondary);
    border-color: var(--color-white);
}

.btn-light:hover {
    background-color: transparent;
    color: var(--color-white);
}

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

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

/* ---------------------------------------------------------
   7. Header / Navigation
   --------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: #232321;
    padding: 16px 0;
    transition: all var(--duration-normal) var(--ease-default);
}

.header.scrolled {
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
}

.header.header-hidden {
    transform: translateY(-100%);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.logo-img {
    height: 48px;
    width: auto;
    display: block;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-accent);
    font-size: 1em;
    font-weight: 400;
    color: var(--color-white);
    position: relative;
    padding: var(--space-sm) 0;
    transition: color var(--duration-fast) var(--ease-default);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-secondary);
    transition: width var(--duration-fast) var(--ease-default);
}

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

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    padding: 10px 24px;
    background-color: var(--color-secondary);
    color: var(--color-white);
    border: 2px solid var(--color-secondary);
    border-radius: 8px;
    transition: all var(--duration-fast) var(--ease-default);
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
    box-shadow: 0 4px 24px rgba(243, 146, 0, 0.3);
}

.nav-cta:active {
    transform: scale(0.98);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 48px;
    height: 48px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    gap: 6px;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    transition: all var(--duration-fast) var(--ease-default);
}

.mobile-menu-toggle.active .hamburger:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
    background-color: var(--color-white);
}

.mobile-menu-toggle.active .hamburger:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
    background-color: var(--color-white);
}

/* Mobile Menu Overlay */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-primary);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-normal) var(--ease-default);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
}

.mobile-nav-link {
    font-family: var(--font-accent);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-white);
    transition: color var(--duration-fast) var(--ease-default);
}

.mobile-nav-link:hover {
    color: var(--color-secondary);
}

.mobile-nav-cta {
    padding: 12px 32px;
    background-color: var(--color-secondary);
    color: var(--color-white);
    font-size: 18px;
    border-radius: 8px;
}

/* ---------------------------------------------------------
   8. Hero Section
   --------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 80px;
}

/* Background Layer */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 900px;
    z-index: 1;
}

.hero-bg-image,
.hero-bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-bg-image {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

.hero-background video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 2;
}

/* Content Layer */
.hero-container {
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content {
    max-width: 700px;
    margin: 120px auto 0;
}

.hero-title {
    font-size: 54px;
    color: var(--color-white);
    margin-bottom: var(--space-md);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-xl);
    line-height: 1.5;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    justify-content: center;
}

/* ---------------------------------------------------------
   9. Footer
   --------------------------------------------------------- */
.footer {
    background-color: var(--color-primary);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-logo {
    display: block;
    height: 96px;
    width: auto;
    margin-bottom: var(--space-md);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
    line-height: 1.7;
    max-width: 360px;
}

.footer-heading {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-lg);
}

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

.footer-nav a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
    transition: color var(--duration-fast) var(--ease-default);
}

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

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    margin: 0;
}

/* ---------------------------------------------------------
   10. CTA Section
   --------------------------------------------------------- */
.cta-section {
    text-align: center;
    background:
        linear-gradient(90deg, var(--color-secondary) 50%, rgba(243, 146, 0, 0.7) 100%),
        url('../img/escalada-escola-varejo.jpeg') right center / contain no-repeat;
}

.cta-content {
    max-width: 900px;
    margin: 0 auto;
}

.cta-title {
    font-size: 36px;
    color: var(--color-white);
    margin-bottom: var(--space-lg);
}

.cta-text {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto var(--space-xl);
}

/* ---------------------------------------------------------
   11. Utilities
   --------------------------------------------------------- */
.text-center { text-align: center; }
.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;
}

/* ---------------------------------------------------------
   12. Responsive Styles
   --------------------------------------------------------- */
@media (max-width: 1024px) {
    h1 { font-size: 48px; }
    h2 { font-size: 32px; }
    
    .section {
        padding: var(--space-3xl) 0;
    }
    
    .section-grid {
        gap: var(--space-2xl);
    }
    
    .hero-title {
        font-size: 48px;
    }
}

@media (max-width: 767px) {
    :root {
        --gutter: 16px;
    }
    
    h1 { font-size: 40px; }
    h2 { font-size: 28px; }
    h3 { font-size: 22px; }
    body { font-size: 15px; }
    
    .section {
        padding: var(--space-2xl) 0;
    }
    
    .section-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .section-grid.reverse {
        direction: ltr;
    }
    
    .section-content {
        max-width: 100%;
    }
    
    /* Header Mobile */
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header {
        padding: 12px 0;
    }
    
    /* Hero Mobile */
    .hero {
        min-height: auto;
        padding: 120px 0 var(--space-3xl);
    }
    
    .hero .container {
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    /* Footer Mobile */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        text-align: center;
    }
    
    .footer-description {
        max-width: 100%;
    }
    
    .footer-nav {
        align-items: center;
    }
    
    /* CTA Mobile */
    .cta-title {
        font-size: 28px;
    }
    
    .cta-text {
        font-size: 16px;
    }
    
    .differentials-grid {
        grid-template-columns: 1fr;
    }
}

/* ---------------------------------------------------------
   15. Training Segments Cards
   --------------------------------------------------------- */
.segments-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    justify-content: center;
}

.segment-card {
    flex: 1 1 180px;
    max-width: 200px;
    text-align: center;
    padding: var(--space-xl) var(--space-lg);
    border: 1px solid var(--color-secondary);
    border-radius: 12px;
    background: var(--color-white);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    transition: box-shadow var(--duration-normal) var(--ease-default);
}

.segment-card:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

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

.segment-icon i {
    font-size: 56px;
    color: var(--color-secondary);
}

.segment-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
}

.training-audience {
    text-align: center;
    margin-top: var(--space-2xl);
    font-size: 15px;
    color: var(--color-body);
}

/* ---------------------------------------------------------
   16. Differentials Cards
   --------------------------------------------------------- */
.differentials-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    max-width: 900px;
    margin: 0 auto;
}

.differential-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: var(--space-lg);
    backdrop-filter: blur(4px);
    transition: border-color var(--duration-fast) var(--ease-default),
                background var(--duration-fast) var(--ease-default);
}

.differential-card:hover {
    border-color: rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.08);
}

.differential-check i {
    font-size: 28px;
    color: #22c55e;
    flex-shrink: 0;
    margin-top: 2px;
}

.differential-content h4 {
    font-size: 18px;
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.differential-content p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0;
    line-height: 1.6;
}

.differentials-closing {
    text-align: center;
    margin-top: var(--space-2xl);
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.whatsapp-float
 {
  position: fixed;
  right: 24px;
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  z-index: 1050;
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0) 34%), linear-gradient(135deg, #28d163, #10b450);
  box-shadow: 0 18px 36px rgba(16, 180, 80, 0.34), 0 0 0 8px rgba(40, 209, 99, 0.12);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-float i {
    position: relative;
    z-index: 1;
    font-size: 2rem;
}