/* ============================================
   HB Drones - Design System & Styles
   ============================================ */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
    /* Colors - Paleta Azul Clássico, Turquesa e Dourado */
    --primary: #D4AF37;
    --primary-dark: #B8960C;
    --primary-light: #E5C85C;
    --secondary: #1E3A5F;
    --accent: #20B2AA;
    --accent-dark: #178F89;

    /* Neutral Colors */
    --dark: #0B1929;
    --dark-800: #122640;
    --dark-700: #1A3352;
    --dark-600: #254466;
    --gray-500: #6B7A8C;
    --gray-400: #9CA8B6;
    --gray-300: #D1D9E0;
    --light: #F5F7FA;
    --white: #FFFFFF;

    /* Gradients - Dourado premium com toque de turquesa */
    --gradient-primary: linear-gradient(135deg, #D4AF37 0%, #20B2AA 100%);
    --gradient-dark: linear-gradient(180deg, var(--dark) 0%, var(--dark-800) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.03) 100%);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 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 */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-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 - Elegantes com glow dourado */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(212, 175, 55, 0.3);
    --shadow-glow-accent: 0 0 40px rgba(32, 178, 170, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

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

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

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(--light);
    background-color: var(--dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul,
ol {
    list-style: none;
}

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

button {
    cursor: pointer;
}

/* ============================================
   Utility Classes
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

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

.section {
    padding: var(--space-20) 0;
}

.section-tag {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: var(--radius-full);
    color: var(--primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-16);
}

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

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray-400);
    line-height: 1.7;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 60px rgba(255, 107, 53, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--light);
    border: 2px solid var(--dark-600);
}

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

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

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

.btn-arrow {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

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

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

.header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(15, 15, 26, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.header.scrolled::before {
    opacity: 1;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    position: relative;
    z-index: 1;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-xl);
    font-weight: 800;
}

.logo-icon {
    font-size: 1.5em;
}

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

.logo-accent {
    color: var(--primary);
}

.logo-img {
    height: 100px;
    width: auto;
    object-fit: contain;
    margin-top: 10px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-300);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

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

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

.nav-link--cta {
    padding: var(--space-2) var(--space-4);
    background: var(--gradient-primary);
    color: var(--white) !important;
    border-radius: var(--radius-md);
}

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

.nav-link--cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--light);
    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-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(212, 175, 55, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(32, 178, 170, 0.12) 0%, transparent 50%),
        var(--gradient-dark);
}

/* Vídeo de Fundo do Hero */
.hero-video-container {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background:
        linear-gradient(to bottom, rgba(10, 15, 25, 0.6) 0%, rgba(10, 15, 25, 0.4) 50%, rgba(10, 15, 25, 0.8) 100%);
}


.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-8) 0;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--gray-300);
}

.badge-icon {
    color: var(--accent);
    font-weight: 700;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--gray-400);
    max-width: 700px;
    margin: 0 auto var(--space-8);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--gray-400);
    font-size: var(--font-size-sm);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--gray-400);
    border-bottom: 2px solid var(--gray-400);
    transform: rotate(45deg);
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-10px);
    }

    60% {
        transform: translateY(-5px);
    }
}

/* ============================================
   About Section
   ============================================ */
.section-about {
    background: var(--dark-800);
}

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

.about-image {
    position: relative;
}

.about-image-wrapper {
    position: relative;
    aspect-ratio: 4/5;
    border-radius: var(--radius-2xl);
    overflow: hidden;
}

.about-image-bg {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, var(--dark-700) 0%, var(--dark-600) 100%);
}

.about-image-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
}

.placeholder-icon {
    font-size: 4rem;
    opacity: 0.5;
}

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

.about-float-card {
    position: absolute;
    bottom: -20px;
    right: -20px;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: rgba(26, 26, 46, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.float-icon {
    font-size: 2rem;
}

.float-content strong {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--light);
}

.float-content span {
    font-size: var(--font-size-xs);
    color: var(--gray-400);
}

.about-content {
    padding: var(--space-4) 0;
}

.about-text {
    font-size: var(--font-size-lg);
    color: var(--gray-300);
    margin-bottom: var(--space-4);
    line-height: 1.8;
}

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

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    margin: var(--space-8) 0;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--dark-700);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-icon {
    font-size: 1.5rem;
}

.feature-content strong {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--light);
    margin-bottom: var(--space-1);
}

.feature-content span {
    font-size: var(--font-size-xs);
    color: var(--gray-400);
}

/* ============================================
   Services Section
   ============================================ */
.section-services {
    background: var(--dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.services-grid .service-card:nth-child(4),
.services-grid .service-card:nth-child(5) {
    grid-column: span 1;
}

.service-card {
    padding: var(--space-8);
    background: var(--dark-800);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 107, 53, 0.1);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
}

.service-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--accent, var(--primary));
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
    color: var(--light);
}

.service-desc {
    font-size: var(--font-size-base);
    color: var(--gray-400);
    margin-bottom: var(--space-4);
    line-height: 1.7;
}

.service-list {
    margin-bottom: var(--space-5);
}

.service-list li {
    position: relative;
    padding-left: var(--space-5);
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--gray-300);
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary);
    transition: gap var(--transition-fast);
}

.service-link:hover {
    gap: var(--space-3);
}

.service-link svg {
    width: 16px;
    height: 16px;
}

/* ============================================
   Portfolio Section
   ============================================ */
.section-portfolio {
    background: var(--dark-800);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 250px);
    gap: var(--space-4);
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    cursor: pointer;
}

.portfolio-item--large {
    grid-column: span 2;
    grid-row: span 2;
}

.portfolio-image {
    position: absolute;
    inset: 0;
}

.portfolio-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    background: var(--bg, var(--dark-700));
}

.placeholder-emoji {
    font-size: 3rem;
    opacity: 0.6;
}

.placeholder-label {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-6);
    background: linear-gradient(to top, rgba(15, 15, 26, 0.9) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-category {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--primary);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--space-2);
    width: fit-content;
}

.portfolio-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--light);
    margin-bottom: var(--space-1);
}

.portfolio-overlay p {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
}

.portfolio-cta {
    text-align: center;
    margin-top: var(--space-10);
}

/* ============================================
   Process Section
   ============================================ */
.section-process {
    background: var(--dark);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 12.5%;
    right: 12.5%;
    height: 2px;
    background: linear-gradient(to right, var(--primary), var(--accent));
    z-index: 0;
}

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

.step-number {
    display: inline-block;
    width: 80px;
    height: 80px;
    line-height: 80px;
    background: var(--dark-800);
    border: 2px solid var(--primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--primary);
    margin-bottom: var(--space-4);
}

.step-icon {
    font-size: 2rem;
    margin-bottom: var(--space-3);
}

.step-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--light);
    margin-bottom: var(--space-3);
}

.step-desc {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
    line-height: 1.7;
    max-width: 250px;
    margin: 0 auto;
}

/* ============================================
   Testimonials Section
   ============================================ */
.section-testimonials {
    background: var(--dark-800);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.testimonial-card {
    padding: var(--space-8);
    background: var(--dark-700);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    border-color: rgba(255, 107, 53, 0.3);
    transform: translateY(-4px);
}

.testimonial-stars {
    color: #F59E0B;
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-4);
    letter-spacing: 2px;
}

.testimonial-text {
    font-size: var(--font-size-lg);
    color: var(--gray-300);
    line-height: 1.8;
    margin-bottom: var(--space-6);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.author-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-weight: 700;
    color: var(--white);
}

.author-info strong {
    display: block;
    font-size: var(--font-size-base);
    color: var(--light);
}

.author-info span {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
}

/* ============================================
   CTA Section
   ============================================ */
.section-cta {
    background:
        radial-gradient(ellipse at center, rgba(255, 107, 53, 0.2) 0%, transparent 70%),
        var(--dark);
    padding: var(--space-24) 0;
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--space-4);
}

.cta-text {
    font-size: var(--font-size-lg);
    color: var(--gray-400);
    margin-bottom: var(--space-8);
}

/* ============================================
   Contact Section
   ============================================ */
.section-contact {
    background: var(--dark-800);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

.contact-text {
    font-size: var(--font-size-lg);
    color: var(--gray-400);
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--dark-700);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.contact-method:hover {
    border-color: var(--primary);
    transform: translateX(8px);
}

.method-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 107, 53, 0.1);
    border-radius: var(--radius-md);
}

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

.method-content strong {
    display: block;
    font-size: var(--font-size-base);
    color: var(--light);
}

.method-content span {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
}

/* Contact Form */
.contact-form-wrapper {
    padding: var(--space-8);
    background: var(--dark-700);
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-300);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-4);
    background: var(--dark-800);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--light);
    transition: border-color var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-500);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239CA3AF' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--dark);
    padding: var(--space-16) 0 var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
    position: relative;
    z-index: 1;
}

.footer-brand .logo {
    margin-bottom: var(--space-4);
}

.footer-desc {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: var(--space-6);
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-700);
    border-radius: var(--radius-md);
    color: var(--gray-400);
    transition: all var(--transition-fast);
}

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

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

.footer-links h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--light);
    margin-bottom: var(--space-5);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a,
.footer-links span {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    z-index: 1;
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.footer-legal {
    font-size: var(--font-size-xs) !important;
}

/* ============================================
   WhatsApp Float Button
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25D366;
    border-radius: var(--radius-full);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all var(--transition-base);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

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

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    padding: var(--space-2) var(--space-4);
    background: var(--dark-700);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

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

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

.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* ============================================
   Responsive Design
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
    }

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

    .about-image {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }

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

    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, 200px);
    }

    .portfolio-item--large {
        grid-column: span 2;
        grid-row: span 1;
    }

    .process-timeline {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8);
    }

    .process-timeline::before {
        display: none;
    }

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

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

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8);
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --header-height: 70px;
    }

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

    .section {
        padding: var(--space-16) 0;
    }

    /* Mobile Navigation - Enhanced Design */
    .nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(180deg, rgba(15, 15, 26, 0.98) 0%, rgba(10, 10, 20, 0.99) 100%);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        padding: var(--space-8) var(--space-6);
        display: flex;
        flex-direction: column;
        justify-content: center;
        transform: translateX(100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        overflow-x: hidden;
    }

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

    .nav::after {
        content: '';
        position: absolute;
        top: 20%;
        right: 0;
        width: 100px;
        height: 200px;
        background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
        pointer-events: none;
    }

    .nav.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: var(--space-2);
        position: relative;
        z-index: 1;
    }

    .nav-list li {
        width: 100%;
        max-width: 280px;
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.3s ease;
    }

    .nav.active .nav-list li {
        opacity: 1;
        transform: translateY(0);
    }

    /* Staggered animation for menu items */
    .nav.active .nav-list li:nth-child(1) {
        transition-delay: 0.1s;
    }

    .nav.active .nav-list li:nth-child(2) {
        transition-delay: 0.15s;
    }

    .nav.active .nav-list li:nth-child(3) {
        transition-delay: 0.2s;
    }

    .nav.active .nav-list li:nth-child(4) {
        transition-delay: 0.25s;
    }

    .nav.active .nav-list li:nth-child(5) {
        transition-delay: 0.3s;
    }

    .nav.active .nav-list li:nth-child(6) {
        transition-delay: 0.35s;
    }

    .nav.active .nav-list li:nth-child(7) {
        transition-delay: 0.4s;
    }

    .nav-link {
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: var(--font-size-xl);
        font-weight: 600;
        padding: var(--space-4) var(--space-6);
        border-radius: var(--radius-lg);
        background: transparent;
        color: var(--gray-300);
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }

    .nav-link::before {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 3px;
        height: 0;
        background: var(--gradient-primary);
        border-radius: var(--radius-full);
        transition: height 0.3s ease;
    }

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

    .nav-link:hover,
    .nav-link:active {
        color: var(--light);
        background: rgba(255, 255, 255, 0.05);
        transform: translateX(8px);
    }

    .nav-link:hover::before {
        height: 60%;
    }

    /* CTA button in mobile menu */
    .nav-link--cta {
        margin-top: var(--space-4);
        padding: var(--space-4) var(--space-8);
        background: var(--gradient-primary);
        color: var(--white) !important;
        border-radius: var(--radius-lg);
        font-weight: 700;
        box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
    }

    .nav-link--cta::before {
        display: none;
    }

    .nav-link--cta:hover {
        transform: translateY(-2px) scale(1.02);
        box-shadow: 0 8px 30px rgba(255, 107, 53, 0.4);
        background: var(--gradient-primary);
    }

    /* Hamburger Toggle Button - Enhanced */
    .nav-toggle {
        display: flex;
        width: 44px;
        height: 44px;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.05);
        border-radius: var(--radius-md);
        border: 1px solid rgba(255, 255, 255, 0.1);
        transition: all 0.3s ease;
    }

    .nav-toggle:hover {
        background: rgba(255, 255, 255, 0.1);
        border-color: var(--primary);
    }

    .nav-toggle span {
        display: block;
        width: 20px;
        height: 2px;
        background: var(--light);
        border-radius: var(--radius-full);
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        position: absolute;
    }

    .nav-toggle span:nth-child(1) {
        transform: translateY(-6px);
    }

    .nav-toggle span:nth-child(3) {
        transform: translateY(6px);
    }

    .nav-toggle.active {
        background: rgba(255, 107, 53, 0.1);
        border-color: var(--primary);
    }

    .nav-toggle.active span {
        background: var(--primary);
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translateY(0);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translateY(0);
    }

    /* Hero Mobile */
    .hero-badges {
        flex-direction: column;
        align-items: center;
    }

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

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

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-6);
    }

    .hero-scroll {
        display: none;
    }

    /* About Mobile */
    .about-features {
        grid-template-columns: 1fr;
    }

    .about-float-card {
        position: relative;
        right: 0;
        bottom: 0;
        margin-top: var(--space-4);
    }

    /* Services Mobile */
    .services-grid {
        grid-template-columns: 1fr;
    }

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

    /* Portfolio Mobile */
    .portfolio-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }

    .portfolio-item,
    .portfolio-item--large {
        grid-column: span 1;
        grid-row: span 1;
        height: 200px;
    }

    /* Process Mobile */
    .process-timeline {
        grid-template-columns: 1fr;
    }

    /* Contact Mobile */
    .form-row {
        grid-template-columns: 1fr;
    }

    /* Footer Mobile */
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-desc {
        max-width: none;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-3);
        text-align: center;
    }

    /* WhatsApp Button Mobile */
    .whatsapp-float {
        bottom: var(--space-4);
        right: var(--space-4);
        width: 56px;
        height: 56px;
    }

    .whatsapp-tooltip {
        display: none;
    }
}

/* Small Mobile */
@media (max-width: 375px) {
    :root {
        --font-size-5xl: 1.75rem;
        --font-size-4xl: 1.5rem;
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .btn-lg {
        padding: var(--space-3) var(--space-6);
        font-size: var(--font-size-base);
    }
}

/* ============================================
   Form Validation Styles
   ============================================ */

/* Erro de Campo */
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
    border-color: #EF4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2) !important;
}

.form-group.has-error input:focus,
.form-group.has-error select:focus,
.form-group.has-error textarea:focus {
    border-color: #EF4444 !important;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.3) !important;
}

/* Mensagem de Erro Inline */
.field-error-message {
    display: block;
    color: #EF4444;
    font-size: 0.8rem;
    margin-top: 0.5rem;
    padding-left: 2px;
    animation: fadeIn 0.3s ease;
}

.field-error-message::before {
    content: '⚠ ';
}

/* Animação Shake */
@keyframes shake {

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

    20%,
    60% {
        transform: translateX(-5px);
    }

    40%,
    80% {
        transform: translateX(5px);
    }
}

.form-group.shake {
    animation: shake 0.5s ease-in-out;
}

/* Fade In Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

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

/* Mensagem de Formulário */
.form-message {
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    font-size: var(--font-size-sm);
    animation: fadeIn 0.3s ease;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #EF4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.form-message.success {
    background: rgba(16, 185, 129, 0.1);
    color: #10B981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

/* ============================================
   Modal de Sucesso
   ============================================ */
.success-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    animation: fadeIn 0.3s ease;
}

.success-modal-content {
    background: var(--dark-800);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    text-align: center;
    max-width: 400px;
    width: 100%;
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    animation: modalSlideIn 0.4s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }

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

.success-modal-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: var(--space-4);
}

.success-modal-content h3 {
    font-size: var(--font-size-2xl);
    color: var(--light);
    margin-bottom: var(--space-2);
}

.success-modal-content p {
    color: var(--gray-400);
    margin-bottom: var(--space-6);
    line-height: 1.6;
}

.success-modal-content .btn {
    min-width: 120px;
}