/* =========================================
   SENTINEL Tecnologia - Landing Page Styles
   Design System: Dark Mode with Deep Blue Accent
   Last Updated: 2026-01-18 17:35
   ========================================= */

/* CSS Custom Properties */
:root {
    /* Primary Colors - Deep Blue Palette */
    --color-primary-50: #e6f0ff;
    --color-primary-100: #b3d1ff;
    --color-primary-200: #80b3ff;
    --color-primary-300: #4d94ff;
    --color-primary-400: #1a75ff;
    --color-primary-500: #0A4DA6;
    --color-primary-600: #083d85;
    --color-primary-700: #062d64;
    --color-primary-800: #041e43;
    --color-primary-900: #020f22;

    /* Background Colors */
    --color-bg-primary: #000000;
    --color-bg-secondary: #0a0a0a;
    --color-bg-tertiary: #111111;
    --color-bg-card: #0d1117;
    --color-bg-card-hover: #161b22;

    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #b0b8c4;
    --color-text-tertiary: #6b7280;
    --color-text-muted: #4a5568;

    /* Accent Colors */
    --color-accent: #1E3A5C;
    --color-accent-light: #2563eb;
    --color-accent-glow: rgba(30, 58, 92, 0.5);

    /* Border Colors */
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);
    --color-border-accent: rgba(30, 58, 92, 0.5);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1E3A5C 0%, #0A4DA6 50%, #2563eb 100%);
    --gradient-text: linear-gradient(90deg, #4d94ff 0%, #1E3A5C 50%, #0A4DA6 100%);
    --gradient-glow: radial-gradient(ellipse at center, rgba(30, 58, 92, 0.3) 0%, transparent 70%);
    --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0) 100%);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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: 3.5rem;
    --font-size-6xl: 4.5rem;

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

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(30, 58, 92, 0.3);
    --shadow-glow-lg: 0 0 80px rgba(30, 58, 92, 0.4);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Layout */
    --container-max: 1280px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

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

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

ul,
ol {
    list-style: none;
}

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

button,
input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

/* Typography Utilities */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section__tag {
    display: inline-block;
    padding: var(--spacing-2) var(--spacing-4);
    background: rgba(30, 58, 92, 0.2);
    border: 1px solid var(--color-border-accent);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-primary-300);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-4);
}

.section__title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-4);
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-16);
}

.section__header .section__subtitle {
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-glow);
}

.btn--primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-lg);
}

.btn--primary:hover::before {
    left: 100%;
}

.btn--outline {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-hover);
}

.btn--outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-primary-400);
}

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

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

.btn-icon {
    width: 18px;
    height: 18px;
}

/* =========================================
   HEADER
   ========================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.95);
    box-shadow: var(--shadow-lg);
}

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

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.logo-icon {
    font-size: 1.75rem;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-text-primary);
}

.logo-sub {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    font-weight: 400;
}

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

.nav__link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

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

.dropdown-arrow {
    font-size: 0.7em;
    transition: transform var(--transition-fast);
}

.nav__dropdown {
    position: relative;
}

.dropdown__menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 220px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-3);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-xl);
}

.nav__dropdown:hover .dropdown__menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav__dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown__menu li {
    margin-bottom: var(--spacing-1);
}

.dropdown__menu li:last-child {
    margin-bottom: 0;
}

.dropdown__menu a {
    display: block;
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.dropdown__menu a:hover {
    background: rgba(30, 58, 92, 0.2);
    color: var(--color-text-primary);
}

.nav__cta {
    padding: var(--spacing-2) var(--spacing-5);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--spacing-2);
}

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

/* =========================================
   HERO SECTION
   ========================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero__glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.4;
    pointer-events: none;
}

.hero__glow--left {
    top: 10%;
    left: -200px;
    background: var(--color-accent);
}

.hero__glow--right {
    bottom: 10%;
    right: -200px;
    background: var(--color-primary-500);
}

.hero__particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.hero__container {
    position: relative;
    z-index: 2;
    padding: var(--spacing-20) 0;
}

.hero__content {
    max-width: 800px;
}

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

.hero__description {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-8);
    max-width: 600px;
}

.hero__buttons {
    display: flex;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-12);
}

.hero__partners {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.partners-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.partners-logos {
    display: flex;
    align-items: center;
    gap: var(--spacing-6);
}

.partner-logo {
    width: 32px;
    height: 32px;
    color: var(--color-text-tertiary);
    opacity: 0.6;
    transition: all var(--transition-base);
}

.partner-logo:hover {
    opacity: 1;
    color: var(--color-text-primary);
}

.partner-logo svg {
    width: 100%;
    height: 100%;
}

.partner-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(0) invert(1);
    opacity: 0.7;
    transition: all var(--transition-base);
}

.partner-logo:hover img {
    opacity: 1;
    filter: none;
}

.partner-logo--text {
    width: auto;
    font-size: var(--font-size-sm);
    font-weight: 700;
    letter-spacing: 0.05em;
}

.hero__scroll {
    position: absolute;
    bottom: var(--spacing-10);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--color-text-tertiary);
    transition: color var(--transition-base);
}

.scroll-indicator:hover {
    color: var(--color-text-primary);
}

.scroll-text {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-text-tertiary) 0%, transparent 100%);
    position: relative;
}

.scroll-line::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 20px;
    background: var(--color-primary-400);
    animation: scrollDown 1.5s ease-in-out infinite;
}

@keyframes scrollDown {
    0% {
        top: 0;
        opacity: 1;
    }

    100% {
        top: 100%;
        opacity: 0;
    }
}

/* =========================================
   SERVICES SECTION
   ========================================= */
.services {
    padding: var(--spacing-24) 0;
    background: var(--color-bg-secondary);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border-accent), transparent);
}

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

.service-card {
    position: relative;
    padding: var(--spacing-8);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    cursor: pointer;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.service-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(30, 58, 92, 0.15);
    border: 1px solid var(--color-border-accent);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-6);
    transition: all var(--transition-base);
}

.service-card__icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary-400);
}

.service-card:hover .service-card__icon {
    background: var(--gradient-primary);
    border-color: transparent;
}

.service-card:hover .service-card__icon svg {
    color: white;
}

.service-card__icon--img {
    background: white;
    padding: var(--spacing-2);
}

.service-card__icon--img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.service-card:hover .service-card__icon--img {
    background: white;
    border-color: var(--color-primary-400);
}

.service-card__arrow {
    position: absolute;
    top: var(--spacing-6);
    right: var(--spacing-6);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translate(-10px, 10px);
    transition: all var(--transition-base);
}

.service-card__arrow svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary-400);
}

.service-card:hover .service-card__arrow {
    opacity: 1;
    transform: translate(0, 0);
}

.service-card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-3);
    color: var(--color-text-primary);
}

.service-card__description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-4);
}

.service-card__link {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary-400);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition-base);
}

.service-card:hover .service-card__link {
    opacity: 1;
    transform: translateX(0);
}

/* =========================================
   ABOUT SECTION
   ========================================= */
.about {
    padding: var(--spacing-24) 0;
    position: relative;
}

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

.about__content {
    max-width: 520px;
}

.about__text {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-4);
    line-height: 1.8;
}

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

.about__stats {
    display: flex;
    gap: var(--spacing-10);
    margin-top: var(--spacing-10);
    padding-top: var(--spacing-10);
    border-top: 1px solid var(--color-border);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.stat__number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.about__card {
    padding: var(--spacing-6);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.about__card:hover {
    border-color: var(--color-border-accent);
    transform: translateY(-4px);
}

.about__card--highlight {
    grid-column: span 2;
    background: linear-gradient(145deg, rgba(30, 58, 92, 0.2) 0%, rgba(30, 58, 92, 0.05) 100%);
    border-color: var(--color-border-accent);
}

.about__card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(30, 58, 92, 0.2);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-4);
}

.about__card-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary-400);
}

.about__card h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-2);
}

.about__card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* =========================================
   EXPERTISES SECTION
   ========================================= */
.expertises {
    padding: var(--spacing-20) 0;
    background: var(--color-bg-secondary);
}

.expertises__grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-4);
}

.expertise-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4) var(--spacing-6);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.expertise-item:hover {
    border-color: var(--color-border-accent);
    color: var(--color-text-primary);
    transform: translateY(-2px);
}

.expertise-item__icon {
    width: 20px;
    height: 20px;
}

.expertise-item__icon svg {
    width: 100%;
    height: 100%;
    fill: var(--color-primary-400);
}

/* =========================================
   CONTACT SECTION
   ========================================= */
.contact {
    padding: var(--spacing-24) 0;
    position: relative;
}

.contact__glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: var(--gradient-glow);
    pointer-events: none;
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: start;
    position: relative;
    z-index: 2;
}

.contact__info {
    max-width: 480px;
}

.contact__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-8);
}

.contact__benefits {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.contact__benefits li {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    color: var(--color-text-secondary);
}

.contact__benefits svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary-400);
    flex-shrink: 0;
}

.contact__form-wrapper {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-10);
}

.contact__form-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-2);
}

.contact__form-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-8);
}

.form-group {
    margin-bottom: var(--spacing-5);
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: var(--spacing-4);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.form-group input::placeholder {
    color: var(--color-text-muted);
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--color-primary-400);
    box-shadow: 0 0 0 3px rgba(30, 58, 92, 0.2);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

.form-group select option {
    background: var(--color-bg-card);
    color: var(--color-text-primary);
}

.contact__form .btn {
    margin-top: var(--spacing-4);
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
    padding: var(--spacing-16) 0 var(--spacing-8);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-10);
    margin-bottom: var(--spacing-12);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-4);
}

.footer__tagline {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    line-height: 1.7;
    max-width: 280px;
    margin-bottom: var(--spacing-6);
}

.footer__social {
    display: flex;
    gap: var(--spacing-4);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-tertiary);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-primary-500);
    border-color: var(--color-primary-500);
    color: white;
}

.social-link svg {
    width: 18px;
    height: 18px;
}

.footer__links h4 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-5);
}

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

.footer__links a {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    transition: color var(--transition-fast);
}

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

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--color-border);
}

.footer__bottom p {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.footer__bottom-links {
    display: flex;
    gap: var(--spacing-6);
}

.footer__bottom-links a {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    transition: color var(--transition-fast);
}

.footer__bottom-links a:hover {
    color: var(--color-text-primary);
}

/* =========================================
   RESPONSIVE DESIGN
   ========================================= */
@media (max-width: 1200px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    :root {
        --font-size-6xl: 3.5rem;
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
    }

    .nav__menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-bg-primary);
        padding: var(--spacing-8);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }

    .nav__menu.active {
        transform: translateX(0);
    }

    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-4);
    }

    .nav__link {
        font-size: var(--font-size-lg);
    }

    .dropdown__menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        background: transparent;
        border: none;
        padding: var(--spacing-4) 0 0 var(--spacing-4);
        box-shadow: none;
    }

    .nav__toggle {
        display: flex;
    }

    .nav__cta {
        display: none;
    }

    .about__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-10);
    }

    .about__content {
        max-width: 100%;
    }

    .contact__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-10);
    }

    .contact__info {
        max-width: 100%;
    }

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

@media (max-width: 768px) {
    :root {
        --font-size-6xl: 2.5rem;
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --spacing-24: 4rem;
        --spacing-20: 3.5rem;
        --spacing-16: 3rem;
    }

    .hero__buttons {
        flex-direction: column;
    }

    .hero__buttons .btn {
        width: 100%;
    }

    .partners-logos {
        flex-wrap: wrap;
    }

    .services__grid {
        grid-template-columns: 1fr;
    }

    .about__visual {
        grid-template-columns: 1fr;
    }

    .about__card--highlight {
        grid-column: span 1;
    }

    .about__stats {
        flex-wrap: wrap;
        gap: var(--spacing-6);
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--spacing-4);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-4);
    }

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

    .service-card {
        padding: var(--spacing-6);
    }

    .contact__form-wrapper {
        padding: var(--spacing-6);
    }
}

/* =========================================
   ANIMATIONS
   ========================================= */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* Animation Classes */
.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-delay-1 {
    animation-delay: 0.1s;
}

.animate-delay-2 {
    animation-delay: 0.2s;
}

.animate-delay-3 {
    animation-delay: 0.3s;
}

/* Smooth Scroll Behavior for all anchor links */
[data-scroll] {
    transition: all var(--transition-base);
}

/* Focus States for Accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 2px solid var(--color-primary-400);
    outline-offset: 2px;
}

/* Print Styles */
@media print {

    .header,
    .hero__scroll,
    .contact__form,
    .footer__social,
    .whatsapp-float {
        display: none;
    }

    body {
        background: white;
        color: black;
    }
}

/* =========================================
   WHATSAPP FLOATING BUTTON
   ========================================= */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25D366;
    border-radius: 50%;
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.4);
    z-index: 9999;
    transition: all var(--transition-base);
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 40px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    color: white;
}

@keyframes whatsapp-pulse {
    0% {
        box-shadow: 0 6px 30px rgba(37, 211, 102, 0.4);
    }

    50% {
        box-shadow: 0 6px 30px rgba(37, 211, 102, 0.7), 0 0 0 10px rgba(37, 211, 102, 0.1);
    }

    100% {
        box-shadow: 0 6px 30px rgba(37, 211, 102, 0.4);
    }
}

/* WhatsApp button responsive */
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 16px;
        right: 16px;
        width: 56px;
        height: 56px;
    }

    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
}

/* =========================================
   SUPORTE SECTION
   ========================================= */
.suporte {
    padding: var(--spacing-24) 0;
    background: var(--color-bg-secondary);
    position: relative;
}

.suporte::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border-accent), transparent);
}

.suporte__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-16);
}

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

.suporte-card:hover {
    border-color: var(--color-border-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.suporte-card--highlight {
    background: linear-gradient(145deg, rgba(37, 211, 102, 0.1), transparent);
    border-color: rgba(37, 211, 102, 0.3);
}

.suporte-card--highlight:hover {
    border-color: rgba(37, 211, 102, 0.5);
    box-shadow: 0 0 40px rgba(37, 211, 102, 0.2);
}

.suporte-card__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-5);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(30, 58, 92, 0.15);
    border: 1px solid var(--color-border-accent);
    border-radius: var(--radius-lg);
}

.suporte-card--highlight .suporte-card__icon {
    background: rgba(37, 211, 102, 0.15);
    border-color: rgba(37, 211, 102, 0.3);
}

.suporte-card__icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary-400);
}

.suporte-card--highlight .suporte-card__icon svg {
    color: #25D366;
}

.suporte-card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-3);
    color: var(--color-text-primary);
}

.suporte-card__description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-6);
}

/* SLA Section */
.suporte__sla {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
    padding: var(--spacing-10) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-16);
}

.sla-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.sla-item__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(30, 58, 92, 0.2);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.sla-item__icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary-400);
}

.sla-item__content {
    display: flex;
    flex-direction: column;
}

.sla-item__value {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-text-primary);
    line-height: 1.2;
}

.sla-item__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* FAQ Section */
.suporte__faq {
    max-width: 900px;
    margin: 0 auto;
}

.suporte__faq-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-8);
    color: var(--color-text-primary);
}

.faq-grid {
    display: grid;
    gap: var(--spacing-4);
}

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--color-border-accent);
}

.faq-item[open] {
    border-color: var(--color-primary-400);
    box-shadow: var(--shadow-glow);
}

.faq-item__question {
    padding: var(--spacing-5) var(--spacing-6);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
}

.faq-item__question::-webkit-details-marker {
    display: none;
}

.faq-item__question::after {
    content: '+';
    font-size: var(--font-size-xl);
    color: var(--color-primary-400);
    transition: transform var(--transition-fast);
}

.faq-item[open] .faq-item__question::after {
    content: '−';
}

.faq-item__answer {
    padding: 0 var(--spacing-6) var(--spacing-5);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Suporte Responsive */
@media (max-width: 992px) {
    .suporte__grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 576px) {
    .suporte__sla {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .sla-item {
        flex-direction: column;
        text-align: center;
    }
}

/* =========================================
   MOBILE-FIRST RESPONSIVE FRAMEWORK
   Otimizado para Android, iOS e Browsers Portáteis
   ========================================= */

/* Touch Target Optimization - Minimum 44x44px for iOS/Android */
@media (pointer: coarse) {

    .btn,
    .nav__link,
    .dropdown__menu a,
    .faq-item__question,
    .contact__form button,
    .whatsapp-float {
        min-height: 44px;
        min-width: 44px;
    }

    .nav__link {
        padding: var(--spacing-2) var(--spacing-3);
    }

    /* Disable hover effects on touch devices */
    .service-card:hover,
    .suporte-card:hover,
    .about__card:hover {
        transform: none;
    }
}

/* Extra Small Devices - Smartphones (Portrait) */
@media (max-width: 480px) {
    :root {
        --font-size-5xl: 2rem;
        --font-size-6xl: 2.5rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --spacing-16: 3rem;
        --spacing-20: 3.5rem;
        --spacing-24: 4rem;
    }

    .container {
        padding: 0 var(--spacing-4);
    }

    /* Header Mobile */
    .header {
        height: 60px;
    }

    .nav__menu {
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        height: calc(100vh - 60px);
        background: var(--color-bg-primary);
        padding: var(--spacing-6);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .nav__menu.active {
        transform: translateX(0);
    }

    .nav__list {
        flex-direction: column;
        gap: var(--spacing-4);
        align-items: stretch;
    }

    .nav__link {
        font-size: var(--font-size-lg);
        padding: var(--spacing-4);
        border-bottom: 1px solid var(--color-border);
    }

    .nav__toggle {
        display: flex;
    }

    .nav__cta {
        display: none;
    }

    .dropdown__menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        min-width: 100%;
        border: none;
        background: transparent;
        padding: 0 0 0 var(--spacing-4);
        box-shadow: none;
    }

    /* Hero Mobile */
    .hero {
        min-height: auto;
        padding-top: 80px;
        padding-bottom: var(--spacing-12);
    }

    .hero__title {
        font-size: var(--font-size-4xl);
        line-height: 1.2;
    }

    .hero__description {
        font-size: var(--font-size-base);
    }

    .hero__buttons {
        flex-direction: column;
        gap: var(--spacing-3);
    }

    .hero__buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .hero__partners {
        flex-direction: column;
        gap: var(--spacing-2);
        text-align: center;
    }

    /* Services Mobile */
    .services__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }

    .service-card {
        padding: var(--spacing-5);
    }

    /* About Mobile */
    .about__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }

    .about__stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
        text-align: center;
    }

    .about__visual {
        order: -1;
    }

    /* Expertises Mobile */
    .expertises__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-3);
    }

    .expertise-item {
        padding: var(--spacing-4);
    }

    /* Contact Mobile */
    .contact__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }

    .contact__form {
        padding: var(--spacing-5);
    }

    .form-group {
        margin-bottom: var(--spacing-4);
    }

    /* Footer Mobile */
    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
        text-align: center;
    }

    .footer__social {
        justify-content: center;
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--spacing-3);
    }

    /* Section Headers Mobile */
    .section__title {
        font-size: var(--font-size-2xl);
    }

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

/* Small Devices - Smartphones (Landscape) and Small Tablets */
@media (min-width: 481px) and (max-width: 768px) {
    :root {
        --font-size-6xl: 3rem;
        --font-size-5xl: 2.5rem;
    }

    .container {
        padding: 0 var(--spacing-6);
    }

    /* Header Tablet Small */
    .nav__menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background: var(--color-bg-primary);
        padding: var(--spacing-6);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        overflow-y: auto;
    }

    .nav__menu.active {
        transform: translateX(0);
    }

    .nav__list {
        flex-direction: column;
        gap: var(--spacing-4);
        align-items: stretch;
    }

    .nav__toggle {
        display: flex;
    }

    .dropdown__menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        min-width: 100%;
        border: none;
        background: transparent;
        padding-left: var(--spacing-4);
        box-shadow: none;
    }

    /* Hero Tablet Small */
    .hero__title {
        font-size: var(--font-size-5xl);
    }

    .hero__buttons {
        flex-direction: row;
        flex-wrap: wrap;
    }

    /* Services Tablet Small */
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* About Tablet Small */
    .about__grid {
        grid-template-columns: 1fr;
    }
}

/* Medium Devices - Tablets */
@media (min-width: 769px) and (max-width: 992px) {
    .container {
        padding: 0 var(--spacing-8);
    }

    /* Services Tablet */
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* About Tablet */
    .about__grid {
        grid-template-columns: 1fr 1fr;
    }

    /* Footer Tablet */
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large Devices - Small Laptops */
@media (min-width: 993px) and (max-width: 1200px) {
    .services__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* iOS Safari Specific Fixes */
@supports (-webkit-touch-callout: none) {

    /* Fix for iOS Safari 100vh issue */
    .hero {
        min-height: -webkit-fill-available;
    }

    /* Prevent zooming on input focus */
    input,
    select,
    textarea {
        font-size: 16px !important;
    }

    /* Smooth scrolling for iOS */
    html {
        -webkit-overflow-scrolling: touch;
    }
}

/* Android Chrome Specific Fixes */
@supports not (-webkit-touch-callout: none) {
    @media (max-width: 768px) {

        /* Fix Android Chrome address bar height */
        .hero {
            min-height: 100svh;
        }
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --color-border: rgba(255, 255, 255, 0.3);
        --color-text-secondary: #d0d0d0;
    }

    .btn--primary {
        border: 2px solid white;
    }
}

/* Reduced Motion for Accessibility */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .whatsapp-float {
        animation: none;
    }

    .hero__glow {
        display: none;
    }
}

/* Dark Mode System Preference (already dark, but ensures consistency) */
@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
    }
}

/* Light Mode Override (if needed in future) */
@media (prefers-color-scheme: light) {

    /* Maintain dark theme regardless of system preference */
    :root {
        color-scheme: dark;
    }
}

/* Landscape Orientation Specific */
@media (orientation: landscape) and (max-height: 500px) {
    .hero {
        min-height: auto;
        padding: var(--spacing-16) 0;
    }

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

    .nav__menu {
        height: 100vh;
    }
}

/* Safe Area Insets for iPhone X+ and Android Notch Devices */
@supports (padding: max(0px)) {
    .header {
        padding-left: max(var(--spacing-4), env(safe-area-inset-left));
        padding-right: max(var(--spacing-4), env(safe-area-inset-right));
    }

    .footer {
        padding-bottom: max(var(--spacing-8), env(safe-area-inset-bottom));
    }

    .whatsapp-float {
        right: max(24px, calc(24px + env(safe-area-inset-right)));
        bottom: max(24px, calc(24px + env(safe-area-inset-bottom)));
    }
}

/* Print Optimization for Mobile */
@media print {

    .nav__toggle,
    .whatsapp-float,
    .hero__glow,
    .hero__particles {
        display: none !important;
    }
}

/* =========================================
   PWA STANDALONE MODE STYLES
   ========================================= */
@media (display-mode: standalone) {
    .header {
        padding-top: env(safe-area-inset-top);
    }

    .nav__cta {
        display: inline-flex;
    }
}

/* =========================================
   PERFORMANCE OPTIMIZATIONS FOR MOBILE
   ========================================= */
@media (max-width: 768px) {

    /* Reduce animations on mobile for battery saving */
    .hero__glow {
        opacity: 0.2;
        filter: blur(100px);
    }

    /* Simplify gradients */
    .btn--primary::before {
        display: none;
    }

    /* Reduce box shadows */
    .service-card,
    .suporte-card,
    .contact__form-wrapper {
        box-shadow: none;
    }
}