/* ========================================
   ICKARUS Tecnologia - Modern CSS Styles
   Brand Colors: Orange #F5A623 | Navy #1A1F36
   Fonts: Ubuntu, Novecento
   ======================================== */

/* Google Fonts - Ubuntu */
@import url('https://fonts.googleapis.com/css2?family=Ubuntu:wght@300;400;500;700&display=swap');

/* CSS Variables */
:root {
    /* Brand Colors */
    --color-primary: #F5A623;
    --color-primary-dark: #D4900F;
    --color-primary-light: #FFB84D;
    --color-secondary: #FF6B35;
    --color-accent: #FFD700;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #F5A623 0%, #FF6B35 50%, #D4900F 100%);
    --gradient-dark: linear-gradient(135deg, #1A1F36 0%, #0D1117 100%);
    --gradient-card: linear-gradient(145deg, rgba(245, 166, 35, 0.1) 0%, rgba(255, 107, 53, 0.05) 100%);

    /* Neutrals - Navy Theme */
    --color-dark: #0D1117;
    --color-dark-light: #1A1F36;
    --color-gray-900: #151B28;
    --color-gray-800: #1E2536;
    --color-gray-700: #2D3548;
    --color-gray-600: #3D4663;
    --color-gray-500: #5A6484;
    --color-gray-400: #8B95B0;
    --color-gray-300: #B8C0D6;
    --color-gray-200: #D6DCE8;
    --color-gray-100: #EBEEF5;
    --color-white: #FFFFFF;

    /* Typography */
    --font-family: 'Ubuntu', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-family-heading: 'Ubuntu', 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: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* 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;
    --spacing-4xl: 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 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(245, 166, 35, 0.3);
    --shadow-glow-strong: 0 0 60px rgba(245, 166, 35, 0.4);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Header Height */
    --header-height: 80px;
}

/* Reset & Base */
*, *::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-gray-300);
    background-color: var(--color-dark);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Section */
.section {
    padding: var(--spacing-4xl) 0;
}

.section__header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-3xl);
}

.section__subtitle {
    display: inline-block;
    font-family: var(--font-family-heading);
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.section__title {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.section__description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-400);
}

/* Gradient Text - Orange Theme */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-family-heading);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn__icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
}

.btn:hover .btn__icon {
    transform: translateX(4px);
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-dark);
    box-shadow: 0 4px 15px rgba(245, 166, 35, 0.4);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(245, 166, 35, 0.5);
}

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

.btn--outline:hover {
    background: rgba(245, 166, 35, 0.1);
    color: var(--color-primary-light);
    box-shadow: var(--shadow-glow);
}

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

/* ========================================
   HEADER
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(26, 31, 54, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

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

.nav__logo img {
    height: 65px;
    width: auto;
}

.nav__list {
    display: flex;
    gap: var(--spacing-xl);
}

.nav__link {
    position: relative;
    font-family: var(--font-family-heading);
    font-weight: 500;
    color: var(--color-gray-300);
    padding: var(--spacing-sm) 0;
    letter-spacing: 0.02em;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

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

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__toggle,
.nav__close {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav__toggle span,
.nav__close span {
    width: 25px;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-base);
}

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

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero__gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(245, 166, 35, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 50%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
        var(--gradient-dark);
}

.hero__particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero__subtitle {
    display: inline-block;
    font-family: var(--font-family-heading);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(245, 166, 35, 0.1);
    border: 1px solid rgba(245, 166, 35, 0.3);
    border-radius: var(--radius-full);
}

.hero__title {
    font-family: var(--font-family-heading);
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-6xl));
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.hero__description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-2xl);
    max-width: 500px;
}

.hero__buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Hero Illustration */
.hero__image {
    position: relative;
}

.hero__illustration {
    position: relative;
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-card {
    position: absolute;
    background: rgba(26, 31, 54, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(245, 166, 35, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-family-heading);
    font-weight: 600;
    color: var(--color-white);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(245, 166, 35, 0.1);
    animation: float 6s ease-in-out infinite;
}

.floating-card .card-icon {
    font-size: var(--font-size-xl);
}

.card-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 30%;
    right: 5%;
    animation-delay: -2s;
}

.card-3 {
    bottom: 20%;
    left: 5%;
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

.server-rack {
    width: 200px;
    height: 250px;
    background: linear-gradient(145deg, #1E2536 0%, #0D1117 100%);
    border: 2px solid rgba(245, 166, 35, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-glow);
}

.server {
    height: 40px;
    background: linear-gradient(90deg, #2D3548 0%, #1E2536 100%);
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(245, 166, 35, 0.1);
}

.server::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 60%;
    height: 4px;
    background: repeating-linear-gradient(90deg, #3D4663 0px, #3D4663 8px, transparent 8px, transparent 12px);
}

.server-lights {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.light {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
}

.light:nth-child(1) {
    background: #F5A623;
    box-shadow: 0 0 10px #F5A623;
    animation-delay: 0s;
}

.light:nth-child(2) {
    background: #22c55e;
    box-shadow: 0 0 10px #22c55e;
    animation-delay: 0.5s;
}

.light:nth-child(3) {
    background: #F5A623;
    box-shadow: 0 0 10px #F5A623;
    animation-delay: 1s;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Hero Scroll Indicator */
.hero__scroll {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-500);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-full);
    position: relative;
    opacity: 0.6;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.5; transform: translateX(-50%) translateY(10px); }
}

/* ========================================
   SOBRE SECTION
   ======================================== */
.sobre__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.sobre__text {
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-lg);
}

.sobre__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--color-gray-700);
}

.stat {
    text-align: center;
}

.stat__number {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-primary);
}

.stat__suffix {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.stat__text {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: var(--spacing-xs);
}

/* Sobre Image Card */
.sobre__image {
    position: relative;
}

.image-card {
    position: relative;
    background: var(--gradient-card);
    border: 1px solid rgba(245, 166, 35, 0.2);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-3xl);
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    opacity: 0.2;
}

.tech-icons {
    display: flex;
    gap: var(--spacing-xl);
}

.tech-icon {
    width: 80px;
    height: 80px;
    background: rgba(245, 166, 35, 0.1);
    border: 1px solid rgba(245, 166, 35, 0.3);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.tech-icon:hover {
    transform: translateY(-10px);
    background: rgba(245, 166, 35, 0.2);
    box-shadow: var(--shadow-glow);
}

.tech-icon svg {
    width: 40px;
    height: 40px;
}

/* Shield Logo in Sobre */
.sobre-logo {
    width: 280px;
    height: auto;
    filter: drop-shadow(0 0 50px rgba(245, 166, 35, 0.4));
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { filter: drop-shadow(0 0 40px rgba(245, 166, 35, 0.4)); }
    50% { filter: drop-shadow(0 0 80px rgba(245, 166, 35, 0.6)); }
}

/* ========================================
   SERVIÇOS SECTION
   ======================================== */
.servicos {
    background: linear-gradient(180deg, var(--color-dark) 0%, var(--color-dark-light) 50%, var(--color-dark) 100%);
}

.servicos__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.servico-card {
    background: rgba(26, 31, 54, 0.6);
    border: 1px solid rgba(245, 166, 35, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.servico-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.servico-card:hover {
    transform: translateY(-8px);
    border-color: rgba(245, 166, 35, 0.4);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

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

.servico-card__icon {
    width: 60px;
    height: 60px;
    background: rgba(245, 166, 35, 0.1);
    border: 1px solid rgba(245, 166, 35, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

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

.servico-card__title {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.servico-card__text {
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.servico-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-family-heading);
    font-weight: 600;
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.servico-card__link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-base);
}

.servico-card__link:hover {
    color: var(--color-primary-light);
}

.servico-card__link:hover svg {
    transform: translateX(4px);
}

/* ========================================
   DIFERENCIAIS SECTION
   ======================================== */
.diferenciais__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.diferencial {
    display: flex;
    gap: var(--spacing-xl);
    padding: var(--spacing-2xl);
    background: rgba(26, 31, 54, 0.4);
    border: 1px solid rgba(245, 166, 35, 0.1);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.diferencial:hover {
    border-color: rgba(245, 166, 35, 0.3);
    background: rgba(26, 31, 54, 0.6);
    box-shadow: 0 0 30px rgba(245, 166, 35, 0.1);
}

.diferencial__number {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    text-shadow: 0 0 30px rgba(245, 166, 35, 0.3);
}

.diferencial__title {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.diferencial__text {
    color: var(--color-gray-400);
    line-height: 1.7;
}

/* ========================================
   DEPOIMENTOS SECTION
   ======================================== */
.depoimentos {
    background: var(--color-dark-light);
}

.depoimentos__slider {
    overflow: hidden;
}

.depoimentos__track {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.depoimento-card {
    background: rgba(13, 17, 23, 0.8);
    border: 1px solid rgba(245, 166, 35, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    transition: all var(--transition-base);
}

.depoimento-card:hover {
    border-color: rgba(245, 166, 35, 0.3);
    transform: translateY(-4px);
}

.depoimento-card__stars {
    display: flex;
    gap: 2px;
    margin-bottom: var(--spacing-lg);
}

.depoimento-card__stars span {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
}

.depoimento-card__text {
    font-size: var(--font-size-lg);
    color: var(--color-gray-300);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    font-style: italic;
}

.depoimento-card__author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-family-heading);
    font-weight: 700;
    color: var(--color-dark);
    font-size: var(--font-size-lg);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-family: var(--font-family-heading);
    font-weight: 600;
    color: var(--color-white);
}

.author-role {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* ========================================
   CONTATO SECTION
   ======================================== */
.contato__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: start;
}

.contato__text {
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-2xl);
}

.contato__items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

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

.contato__item-icon {
    width: 50px;
    height: 50px;
    background: rgba(245, 166, 35, 0.1);
    border: 1px solid rgba(245, 166, 35, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.contato__item-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.contato__item-value {
    font-family: var(--font-family-heading);
    font-weight: 600;
    color: var(--color-white);
}

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

.contato__social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 44px;
    height: 44px;
    background: rgba(245, 166, 35, 0.1);
    border: 1px solid rgba(245, 166, 35, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-dark);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* Contact Form */
.contato__form-wrapper {
    background: rgba(26, 31, 54, 0.6);
    border: 1px solid rgba(245, 166, 35, 0.1);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
}

.contato__form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(13, 17, 23, 0.8);
    border: 1px solid var(--color-gray-700);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.1);
}

.form-group label {
    position: absolute;
    left: var(--spacing-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-500);
    transition: all var(--transition-base);
    pointer-events: none;
    background: transparent;
    padding: 0 var(--spacing-xs);
}

.form-group textarea ~ label {
    top: var(--spacing-lg);
    transform: none;
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label,
.form-group select:focus ~ label,
.form-group select:valid ~ label {
    top: 0;
    transform: translateY(-50%);
    font-size: var(--font-size-xs);
    color: var(--color-primary);
    background: var(--color-dark-light);
}

.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='%23F5A623' 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 var(--spacing-md) center;
    background-size: 20px;
}

.form-group select option {
    background: var(--color-dark);
    color: var(--color-white);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--color-gray-900);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
    border-bottom: 1px solid var(--color-gray-800);
}

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

.footer__logo img {
    height: 50px;
    width: auto;
}

.footer__description {
    color: var(--color-gray-500);
    line-height: 1.7;
}

.footer__title {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer__list a {
    color: var(--color-gray-500);
    transition: all var(--transition-base);
}

.footer__list a:hover {
    color: var(--color-primary);
    padding-left: var(--spacing-sm);
}

.footer__newsletter p {
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-md);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-md);
    background: var(--color-gray-800);
    border: 1px solid var(--color-gray-700);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    transition: all var(--transition-base);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.newsletter-form button {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-dark);
    transition: all var(--transition-base);
}

.newsletter-form button:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-glow);
}

.newsletter-form button svg {
    width: 20px;
    height: 20px;
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
}

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

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

/* ========================================
   WHATSAPP FLOATING BUTTON
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: var(--spacing-xl);
    left: var(--spacing-xl);
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all var(--transition-base);
    animation: pulse-whatsapp 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
}

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

.whatsapp-tooltip {
    position: absolute;
    left: 70px;
    background: var(--color-dark-light);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
}

.whatsapp-tooltip::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-right-color: var(--color-dark-light);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

@keyframes pulse-whatsapp {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 25px rgba(37, 211, 102, 0.6), 0 0 0 10px rgba(37, 211, 102, 0.1);
    }
}

/* ========================================
   BACK TO TOP
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-dark);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow-strong);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

/* ========================================
   ANIMATIONS
   ======================================== */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease forwards;
}

.animate-fade-up:nth-child(1) { animation-delay: 0.1s; }
.animate-fade-up:nth-child(2) { animation-delay: 0.2s; }
.animate-fade-up:nth-child(3) { animation-delay: 0.3s; }
.animate-fade-up:nth-child(4) { animation-delay: 0.4s; }

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

.animate-fade-left {
    opacity: 0;
    transform: translateX(50px);
    animation: fadeLeft 0.8s ease 0.5s forwards;
}

@keyframes fadeLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scroll Animations */
[data-animate] {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

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

/* ========================================
   RESPONSIVE
   ======================================== */
@media screen and (max-width: 1024px) {
    .section__title {
        font-size: var(--font-size-3xl);
    }

    .hero__content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__description {
        margin: 0 auto var(--spacing-2xl);
    }

    .hero__buttons {
        justify-content: center;
    }

    .hero__image {
        display: none;
    }

    .sobre__grid,
    .contato__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .sobre__image {
        order: -1;
    }

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

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

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

@media screen and (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

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

    /* Mobile Navigation */
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--color-dark-light);
        padding: var(--spacing-4xl) var(--spacing-xl);
        transition: right var(--transition-base);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
        z-index: 1001;
    }

    .nav__menu.show-menu {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

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

    .nav__toggle,
    .nav__close {
        display: flex;
        z-index: 1002;
    }

    .nav__close {
        position: absolute;
        top: var(--spacing-xl);
        right: var(--spacing-xl);
    }

    .nav__close span {
        position: absolute;
    }

    .nav__close span:first-child {
        transform: rotate(45deg);
    }

    .nav__close span:last-child {
        transform: rotate(-45deg);
    }

    .servicos__grid,
    .diferenciais__grid {
        grid-template-columns: 1fr;
    }

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

    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

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

    .diferencial {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

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

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

    .hero__buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .image-card {
        height: 320px;
        padding: var(--spacing-xl);
    }

    .sobre-logo {
        width: 200px;
    }
}