@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary-color: #E53935; /* Vermelho vibrante */
    --primary-dark: #B71C1C;
    --text-dark: #121212;
    --text-gray: #555555;
    --bg-light: #F9FAFB;
    --bg-white: #FFFFFF;
    --bg-dark: #1A1A1A;
    --border-color: #E5E7EB;
    
    --font-main: 'Inter', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --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-red: 0 10px 15px -3px rgba(229, 57, 53, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--text-dark);
}

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

ul {
    list-style: none;
}

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

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

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

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

.section-bg-dark p {
    color: #A0AEC0;
}

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

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

.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-8 { margin-top: 2rem; }

/* Typography */
.text-primary { color: var(--primary-color); }
.text-muted { color: var(--text-gray); }
.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font-main);
    font-size: 1rem;
    gap: 8px;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-red);
    transform: translateY(-2px);
}

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

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

.btn-white {
    background-color: white;
    color: var(--primary-color);
}
.btn-white:hover {
    background-color: #f1f1f1;
}

/* Header & Navbar */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    padding: 10px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    transition: var(--transition);
}

.header.scrolled .nav-container {
    height: 60px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo-icon {
    color: var(--primary-color);
    font-size: 2rem;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

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

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    background: none;
    border: none;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.6)), url('../img/imgheader.jpg') center/cover no-repeat;
    color: white;
}

.hero h1 {
    font-size: 3.5rem;
    color: white;
    max-width: 800px;
    margin-bottom: 24px;
    animation: fadeUp 1s ease forwards;
    opacity: 0;
}

.hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin-bottom: 40px;
    color: #e2e8f0;
    animation: fadeUp 1s ease 0.2s forwards;
    opacity: 0;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    animation: fadeUp 1s ease 0.4s forwards;
    opacity: 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(5px);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 24px;
    border: 1px solid rgba(255,255,255,0.2);
    animation: fadeUp 1s ease forwards;
}

/* Services Overview */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.service-card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 40px 32px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--primary-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

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

.service-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 24px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--text-dark) !important;
}

.service-card p {
    color: var(--text-gray) !important;
    margin-bottom: 24px;
    flex-grow: 1;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    margin-top: auto;
}
.service-link i {
    transition: transform 0.3s;
}
.service-card:hover .service-link i {
    transform: translateX(5px);
}

/* Method Section */
.method-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.method-step {
    text-align: center;
    position: relative;
}

.method-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 30px;
    right: -50%;
    width: 100%;
    height: 2px;
    background: var(--border-color);
    z-index: 1;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--bg-white);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0 auto 20px;
    position: relative;
    z-index: 2;
    transition: var(--transition);
}

.method-step:hover .step-number {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.method-step h4 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}
.method-step p {
    font-size: 0.95rem;
    color: var(--text-gray);
}

/* Features/Diferenciais */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 48px;
}
.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.07);
    border-left: 3px solid var(--primary-color);
    padding: 28px 24px;
    border-radius: 10px;
    transition: var(--transition);
}
.feature-item:hover {
    background: rgba(255,255,255,0.08);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.3);
    border-left-color: var(--primary-color);
}
.feature-icon-wrap {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    background: rgba(229, 57, 53, 0.12);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.feature-item:hover .feature-icon-wrap {
    background: rgba(229, 57, 53, 0.22);
}
.feature-icon {
    color: var(--primary-color);
    font-size: 1.25rem;
}
.feature-item h4 {
    color: white;
    margin-bottom: 6px;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.3;
}
.feature-item p {
    color: #8A9BB0;
    font-size: 0.875rem;
    line-height: 1.55;
    margin: 0;
}
.feature-item--full {
    grid-column: 2 / 3;
    border-left-color: var(--primary-color);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.about-img-wrapper {
    position: relative;
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    padding: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.about-img-photo {
    position: relative;
    z-index: 2;
    width: 100%;
    height: auto;
    border-radius: 12px;
    border: 6px solid var(--bg-white);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}
.about-img-wrapper:hover .about-img-photo {
    transform: translate(-6px, -6px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}
.about-img-frame {
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: calc(100% - 48px);
    height: calc(100% - 48px);
    border: 3px solid var(--primary-color);
    border-radius: 12px;
    z-index: 1;
    transition: var(--transition);
    pointer-events: none;
}
.about-img-wrapper:hover .about-img-frame {
    transform: translate(6px, 6px);
}
.about-img-dots {
    position: absolute;
    top: 12px;
    left: 12px;
    width: 120px;
    height: 120px;
    background-image: radial-gradient(var(--primary-color) 1.5px, transparent 1.5px);
    background-size: 15px 15px;
    opacity: 0.18;
    z-index: 0;
    pointer-events: none;
}

.about-content ul {
    margin: 24px 0;
}
.about-content li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.about-content li i {
    color: var(--primary-color);
}

/* Portfolio/Experience */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}
.portfolio-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: box-shadow 0.4s ease, transform 0.4s ease;
}
.portfolio-item::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    border: 2px solid transparent;
    transition: border-color 0.4s ease;
    z-index: 3;
    pointer-events: none;
}
.portfolio-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px -10px rgba(229, 57, 53, 0.35), var(--shadow-lg);
}
.portfolio-item:hover::before {
    border-color: var(--primary-color);
}
.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), filter 0.4s ease;
    filter: brightness(0.95);
}
.portfolio-item:hover img {
    transform: scale(1.08);
    filter: brightness(1.05);
}
.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    background: linear-gradient(
        to top,
        rgba(185, 28, 28, 0.92) 0%,
        rgba(229, 57, 53, 0.6) 40%,
        transparent 100%
    );
    color: white;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 2;
}
.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}
.portfolio-overlay h4 {
    color: white;
    font-size: 1.15rem;
    margin-bottom: 6px;
    transform: translateY(16px);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.05s;
}
.portfolio-overlay p {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.88);
    line-height: 1.5;
    transform: translateY(16px);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.12s;
    margin-top: 0;
}
.portfolio-overlay .portfolio-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.7);
    margin-bottom: 10px;
    transform: translateY(16px);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0s;
}
.portfolio-item:hover .portfolio-overlay h4,
.portfolio-item:hover .portfolio-overlay p,
.portfolio-item:hover .portfolio-tag {
    transform: translateY(0);
}

/* Contact Form */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 40px;
    align-items: start;
}
.contact-info {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    color: white;
    padding: 44px 40px;
    border-radius: 16px;
    position: sticky;
    top: 100px;
}
.contact-info h2 {
    color: white;
    font-size: 2rem;
    line-height: 1.2;
    margin-bottom: 14px;
}
.contact-info > p {
    color: #8A9BB0;
    font-size: 0.93rem;
    line-height: 1.65;
    margin-bottom: 36px;
}
.contact-info-divider {
    height: 1px;
    background: rgba(255,255,255,0.08);
    margin-bottom: 32px;
}
.contact-info-item {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    padding: 14px 16px;
    background: rgba(255,255,255,0.04);
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.06);
    transition: var(--transition);
}
.contact-info-item:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(229, 57, 53, 0.3);
}
.contact-info-item:last-child {
    margin-bottom: 0;
}
.contact-info-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: rgba(229, 57, 53, 0.15);
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.1rem;
}
.contact-info-item strong {
    display: block;
    color: white;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 2px;
}
.contact-info-item span {
    color: #8A9BB0;
    font-size: 0.9rem;
}

/* Form Panel */
.form-panel {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 44px 40px;
}
.form-panel-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.form-panel-title i {
    color: var(--primary-color);
    font-size: 1rem;
}
.form-panel-subtitle {
    font-size: 0.85rem;
    color: #8A9BB0;
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.form-group {
    margin-bottom: 18px;
    position: relative;
}
.form-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #8A9BB0;
    margin-bottom: 8px;
    transition: color 0.2s;
}
.form-group:focus-within .form-label {
    color: var(--primary-color);
}
.form-control {
    width: 100%;
    padding: 13px 16px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    font-family: var(--font-main);
    font-size: 0.95rem;
    color: white;
    transition: var(--transition);
    appearance: none;
    -webkit-appearance: none;
}
.form-control::placeholder {
    color: rgba(255,255,255,0.2);
}
.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(229, 57, 53, 0.06);
    box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.12);
}
select.form-control option {
    background: #1A1A1A;
    color: white;
}
textarea.form-control {
    height: 130px;
    resize: vertical;
}
.form-privacy {
    font-size: 0.78rem;
    color: #8A9BB0;
    margin-bottom: 20px;
    line-height: 1.5;
}
.form-privacy a {
    color: var(--primary-color);
    text-decoration: underline;
}
.btn-submit {
    width: 100%;
    padding: 15px 28px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(229, 57, 53, 0.35);
}
.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(229, 57, 53, 0.5);
    background: linear-gradient(135deg, #ef4444 0%, var(--primary-color) 100%);
}

/* FAQ */
.faq-item {
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 16px;
}
.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    color: var(--text-dark);
}
.faq-answer {
    padding-bottom: 16px;
    color: var(--text-gray);
    display: none;
}
.faq-question.active {
    color: var(--primary-color);
}
.faq-question i {
    transition: transform 0.3s;
}
.faq-question.active i {
    transform: rotate(180deg);
}

/* WhatsApp FAB */
.whatsapp-fab {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    z-index: 100;
    transition: var(--transition);
    animation: pulse 2s infinite;
}
.whatsapp-fab:hover {
    transform: scale(1.1);
    color: white;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Footer */
.footer {
    background: #0D0D0D;
    color: #8A9BB0;
    padding: 0;
    border-top: 3px solid var(--primary-color);
}
.footer-body {
    padding: 64px 0 48px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
    gap: 48px;
    margin-bottom: 0;
}
.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 280px;
    margin: 16px 0 24px;
    color: #8A9BB0;
}
.footer-logo {
    color: white;
    font-size: 1.4rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.footer-logo-icon {
    width: 36px;
    height: 36px;
    background: var(--primary-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: white;
    flex-shrink: 0;
}
.footer h4 {
    color: white;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-links li {
    margin-bottom: 12px;
}
.footer-links a {
    color: #8A9BB0;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}
.footer-links a::before {
    content: '';
    width: 0;
    height: 1px;
    background: var(--primary-color);
    transition: width 0.3s ease;
    display: inline-block;
}
.footer-links a:hover {
    color: white;
    gap: 10px;
}
.footer-links a:hover::before {
    width: 12px;
}

/* Engineer Card in Footer */
.footer-engineer {
    background: rgba(229, 57, 53, 0.07);
    border: 1px solid rgba(229, 57, 53, 0.2);
    border-radius: 12px;
    padding: 20px;
}
.footer-engineer-name {
    color: white;
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 4px;
    line-height: 1.3;
}
.footer-engineer-role {
    color: var(--primary-color);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.footer-engineer-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(229, 57, 53, 0.12);
    border: 1px solid rgba(229, 57, 53, 0.25);
    color: #e88080;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 5px 10px;
    border-radius: 6px;
    margin-bottom: 14px;
}
.footer-engineer-badge i {
    color: var(--primary-color);
    font-size: 0.7rem;
}
.footer-engineer-contact a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #8A9BB0;
    font-size: 0.85rem;
    margin-bottom: 8px;
    transition: color 0.2s;
}
.footer-engineer-contact a:hover {
    color: white;
}
.footer-engineer-contact i {
    color: var(--primary-color);
    font-size: 0.9rem;
    width: 16px;
    text-align: center;
}

/* Footer Divider */
.footer-divider {
    height: 1px;
    background: rgba(255,255,255,0.06);
    margin: 0;
}

/* Footer Bottom */
.footer-bottom {
    padding: 18px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: #5A6A7E;
    background: #090909;
}
.footer-bottom a {
    color: #5A6A7E;
    transition: color 0.2s;
}
.footer-bottom a:hover {
    color: var(--primary-color);
}
.footer-crea {
    display: flex;
    align-items: center;
    gap: 8px;
}
.footer-crea-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(229, 57, 53, 0.1);
    border: 1px solid rgba(229, 57, 53, 0.2);
    color: var(--primary-color);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    letter-spacing: 0.04em;
}

/* Social Links */
.social-links {
    display: flex;
    gap: 10px;
    margin-top: 4px;
}
.social-links a {
    color: #8A9BB0;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: var(--transition);
    font-size: 0.9rem;
}
.social-links a:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 992px) {
    .method-timeline {
        grid-template-columns: 1fr 1fr;
    }
    .method-step:not(:last-child)::after {
        display: none;
    }
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
    }
    .contact-info {
        position: static;
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .feature-item--full {
        grid-column: 1 / -1;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: white;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }
    .nav-links.active {
        left: 0;
    }
    .mobile-menu-btn {
        display: block;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
    .hero-buttons {
        flex-direction: column;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .form-panel,
    .contact-info {
        padding: 28px 20px;
    }
    .feature-item--full {
        grid-column: 1 / -1;
    }
    .method-timeline {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-brand {
        grid-column: auto;
    }
    .footer-bottom .container {
        flex-direction: column !important;
        gap: 12px;
        text-align: center;
    }
    .footer-crea {
        justify-content: center;
    }
}

/* Internal Pages Header */
.page-header {
    padding: 160px 0 80px;
    background: var(--bg-dark);
    color: white;
    text-align: center;
}
.page-header h1 {
    color: white;
    font-size: 3rem;
    max-width: 800px;
    margin: 0 auto 16px;
}
.page-header p {
    color: #A0AEC0;
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}