:root {
    --color-primary: #071a2f;
    --color-primary-dark: #04101d;
    --color-accent: #2563eb;
    --color-accent-light: #dbeafe;
    --color-secondary: #333333;
    --color-secondary-light: #6b7280;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-border: #e5e7eb;
    --color-input-border: #d1d5db;
    --color-white: #ffffff;
    --color-blue-200: #bfdbfe;
    --color-blue-50: #eff6ff;
    --color-whatsapp: #25D366;

    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Montserrat', system-ui, -apple-system, sans-serif;

    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 40px rgba(2, 12, 27, 0.14);
    --shadow-soft: 0 20px 60px rgba(2, 12, 27, 0.18);
    --shadow-glow: 0 20px 60px rgba(37, 99, 235, 0.18);

    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;

    --transition-fast: 0.3s ease;
    --transition-slow: 0.5s ease;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
    color: var(--color-secondary-light);
    background-color: var(--color-white);
    line-height: 1.5;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1.2;
    margin: 0;
}

a {
    text-decoration: none;
    color: inherit;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: 5rem 0;
}

/* Top Bar */
.top-bar {
    background-color: var(--color-primary);
    padding: 0.625rem 0;
    font-size: 0.75rem;
    color: var(--color-white);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

.top-bar-links {
    display: flex;
    gap: 2rem;
}

.top-bar-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-white);
}

.top-bar-link:hover {
    color: var(--color-blue-200);
}

.top-bar-location {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.9;
}

/* Header / Navbar */
.header {
    background-color: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--color-gray-100);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.logo-img {
    height: 4rem;
    width: auto;
    object-fit: contain;
}

.desktop-nav {
    display: none;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    position: relative;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -0.35rem;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-fast);
}

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-xl);
    font-weight: 800;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
}

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

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

.btn-whatsapp {
    background-color: var(--color-whatsapp);
    color: var(--color-white);
    box-shadow: var(--shadow-md), 0 20px 60px rgba(37, 211, 102, 0.2);
}

.btn-whatsapp:hover {
    background-color: #1ebd59;
    transform: translateY(-2px);
}

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

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

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1rem;
}

.btn-white {
    background-color: var(--color-white);
    color: var(--color-primary);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.2);
}

.btn-white:hover {
    background-color: var(--color-blue-50);
}

/* Mobile Menu */
.menu-toggle {
    display: block;
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 18rem;
    height: 100%;
    background-color: var(--color-white);
    z-index: 60;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform 0.35s ease-in-out;
    overflow-y: auto;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu-inner {
    padding: 2rem;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.menu-close {
    background: none;
    border: none;
    color: var(--color-secondary);
    cursor: pointer;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
}

.mobile-nav-link {
    font-size: 1.125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-secondary);
}

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

.mobile-contact {
    padding-top: 3rem;
    border-top: 1px solid var(--color-gray-100);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.mobile-contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.mobile-contact-link svg {
    color: var(--color-primary);
}

.menu-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0,0,0,0.5);
    z-index: 50;
    opacity: 0;
    pointer-events: none;
}

.menu-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background-color: var(--color-primary);
}

.hero-bg {
    position: absolute;
    inset: 0;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.25;
}

.hero-bg-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, var(--color-primary), rgba(7, 26, 47, 0.95), rgba(7, 26, 47, 0.7);
}

.hero-bg-radial {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(37,99,235,0.28), transparent 35%);
}

.hero-content {
    position: relative;
    z-index: 10;
    padding-top: 7rem;
    padding-bottom: 4rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background-color: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-white);
    border: 1px solid rgba(255,255,255,0.15);
    margin-bottom: 2rem;
}

.hero-badge-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 9999px;
    background-color: var(--color-blue-200);
    margin-right: 0.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 2rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 2.5rem;
    max-width: 48rem;
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-benefits {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1rem;
    max-width: 48rem;
}

.glass-card {
    background-color: rgba(255,255,255,0.08);
    backdrop-filter: blur(1rem);
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: var(--radius-xl);
    padding: 1.25rem;
    color: var(--color-white);
}

.glass-card-header {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.glass-card-icon {
    margin-right: 0.5rem;
    color: var(--color-blue-200);
}

.glass-card-title {
    font-weight: 700;
}

.glass-card-text {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.85);
}

.hero-features {
    display: none;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 4rem;
}

.hero-feature-card {
    background-color: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-xl);
    padding: 1.25rem;
    color: var(--color-white);
}

.hero-feature-icon {
    color: var(--color-blue-200);
    margin-bottom: 1rem;
}

.hero-feature-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.hero-feature-text {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.8);
}

/* Sections */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.section-description {
    font-size: 1.125rem;
    max-width: 48rem;
    margin: 0 auto;
}

.section-gray {
    background-color: var(--color-gray-50);
}

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

.section-dark .section-title,
.section-dark .section-label {
    color: var(--color-white);
}

.section-dark .section-label {
    color: var(--color-blue-200);
}

.section-dark .section-description {
    color: var(--color-blue-100);
}

/* Service Pillars */
.service-pillars {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
}

.service-pillar-card {
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-gray-100);
    box-shadow: var(--shadow-sm);
    padding: 2.5rem;
    transition: all var(--transition-fast);
}

.service-pillar-card:hover {
    box-shadow: var(--shadow-soft);
    transform: translateY(-4px);
}

.service-pillar-icon-wrapper {
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-pillar-icon-wrapper.blue {
    background-color: var(--color-accent-light);
    color: var(--color-primary);
}

.service-pillar-icon-wrapper.cyan {
    background-color: #cffafe;
    color: #0e7490;
}

.service-pillar-icon-wrapper.purple {
    background-color: #f3e8ff;
    color: #7c3aed;
}

.service-pillar-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.service-pillar-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.service-pillar-item {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    color: var(--color-secondary-light);
}

.service-pillar-check {
    margin-right: 0.75rem;
    color: var(--color-accent);
}

/* Service Cards Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
    gap: 1.5rem;
}

.service-card {
    background-color: var(--color-white);
    padding: 1.75rem;
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-gray-100);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.service-card:hover {
    box-shadow: var(--shadow-soft);
}

.service-card-icon {
    color: var(--color-primary);
    margin-bottom: 1.25rem;
}

.service-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.service-card-text {
    color: var(--color-secondary-light);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.feature-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-100);
    border-radius: var(--radius-xl);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.feature-card-header {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.feature-card-icon {
    margin-right: 0.5rem;
    color: var(--color-primary);
}

.feature-card-title {
    font-weight: 700;
    color: var(--color-primary);
}

.feature-card-text {
    font-size: 0.875rem;
}

/* Steps Grid */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.5rem;
}

.step-card {
    background-color: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-2xl);
    padding: 2rem;
}

.step-number {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-xl);
    background-color: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-blue-200);
    font-weight: 800;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.step-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.step-text {
    color: var(--color-blue-100);
}

/* Why Choose */
.why-choose-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.why-choose-item {
    display: flex;
    align-items: flex-start;
}

.why-choose-icon-wrapper {
    background-color: rgba(255,255,255,0.1);
    padding: 0.75rem;
    border-radius: var(--radius-md);
    margin-right: 1.5rem;
    flex-shrink: 0;
}

.why-choose-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.why-choose-text {
    color: var(--color-blue-100);
}

/* Testimonials */
.testimonial-card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-100);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.testimonial-quote {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--color-secondary);
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 9999px;
    background-color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 700;
    margin-right: 1rem;
}

.testimonial-name {
    font-weight: 700;
    color: var(--color-primary);
}

.testimonial-role {
    font-size: 0.875rem;
    color: var(--color-secondary-light);
}

/* CTA Section */
.cta-section {
    background-color: var(--color-accent);
    border-radius: var(--radius-2xl);
    padding: 3rem;
    text-align: center;
    color: var(--color-white);
}

.cta-title {
    font-size: 1.875rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-text {
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
}

/* Footer */
.footer {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    padding-top: 4rem;
    padding-bottom: 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    margin-bottom: 1.5rem;
}

.footer-brand-text {
    color: rgba(255,255,255,0.7);
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social-link {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-md);
    background-color: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: background-color var(--transition-fast);
}

.footer-social-link:hover {
    background-color: var(--color-accent);
}

.footer-column-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-white);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-link {
    color: rgba(255,255,255,0.7);
    margin-bottom: 0.75rem;
    display: block;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-white);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: rgba(255,255,255,0.7);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-link {
    color: rgba(255,255,255,0.7);
    font-size: 0.875rem;
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 1000;
}

.whatsapp-float-btn {
    width: 4rem;
    height: 4rem;
    border-radius: 9999px;
    background-color: var(--color-whatsapp);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-fast);
}

.whatsapp-float-btn:hover {
    transform: scale(1.1);
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--color-input-border);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 1rem;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    background-color: var(--color-white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

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

/* Page Header */
.page-header {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 5rem 0 3rem;
    text-align: center;
}

.page-header-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 1rem;
}

.page-header-text {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.9);
    max-width: 40rem;
    margin: 0 auto;
}

/* Content */
.content-section {
    padding: 4rem 0;
}

.content-section h2 {
    font-size: 1.75rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.content-section h3 {
    font-size: 1.25rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.content-section p {
    margin-bottom: 1rem;
}

.content-section ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.content-section li {
    margin-bottom: 0.5rem;
}

/* Responsive */
@media (min-width: 640px) {
    .hero-title {
        font-size: 3.75rem;
    }

    .hero-buttons {
        flex-direction: row;
    }

    .hero-benefits {
        grid-template-columns: repeat(3, 1fr);
    }

    .section-title {
        font-size: 2.5rem;
    }

    .service-pillars {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .cta-buttons {
        flex-direction: row;
    }

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

    .footer-bottom {
        flex-direction: row;
    }
}

/* ===== ADDITIONS: FAQ ACCORDION, REUSABLE CARDS, BADGES, LAYOUT HELPERS ===== */

/* FAQ Accordion */
.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-100);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.faq-item.active {
    box-shadow: var(--shadow-soft);
    border-color: var(--color-accent-light);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    background: none;
    border: none;
    padding: 1.25rem 1.5rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: left;
    cursor: pointer;
    transition: color var(--transition-fast);
    outline: none;
}

.faq-question:hover,
.faq-question:focus-visible {
    color: var(--color-accent);
}

.faq-question:focus-visible {
    outline: 3px solid rgba(37, 99, 235, 0.3);
    outline-offset: 2px;
    border-radius: var(--radius-xl);
}

.faq-icon {
    flex-shrink: 0;
    color: var(--color-accent);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.4s ease, opacity 0.3s ease, padding 0.3s ease;
    padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
    max-height: 800px;
    opacity: 1;
    padding: 0 1.5rem 1.5rem 1.5rem;
}

.faq-answer p,
.faq-answer li {
    color: var(--color-secondary-light);
    line-height: 1.7;
}

.faq-answer ul {
    padding-left: 1.25rem;
    margin: 0.5rem 0;
}

/* Semantic Card Classes */
.info-card,
.project-card,
.portfolio-card,
.contact-card {
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-gray-100);
    box-shadow: var(--shadow-sm);
    padding: 1.75rem;
    transition: all var(--transition-fast);
}

.info-card:hover,
.project-card:hover,
.portfolio-card:hover,
.contact-card:hover {
    box-shadow: var(--shadow-soft);
    transform: translateY(-4px);
    border-color: var(--color-accent-light);
}

.info-card-header,
.project-card-header,
.contact-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.info-card-icon,
.project-card-icon,
.contact-card-icon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-lg);
    background-color: var(--color-blue-50);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-card-title,
.project-card-title,
.contact-card-title,
.feature-card-title-shared {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0;
}

.info-card-text,
.project-card-text,
.contact-card-text {
    color: var(--color-secondary-light);
    font-size: 0.9375rem;
    line-height: 1.65;
    margin: 0;
}

/* Portfolio Card Specifics */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
}

.portfolio-card {
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.portfolio-cover {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background-color: var(--color-primary);
}

.portfolio-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-card:hover .portfolio-cover img {
    transform: scale(1.06);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(7, 26, 47, 0.9), rgba(7, 26, 47, 0.25) 50%, transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 1.5rem;
}

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

.portfolio-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 0.75rem;
}

.portfolio-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0;
}

.portfolio-subtitle {
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin: 0;
}

.portfolio-desc {
    color: var(--color-secondary-light);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.portfolio-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

/* Pill Badges & Tags */
.pill-badge,
.tag-pill,
.badge-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.85rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.2;
}

.pill-badge {
    background-color: var(--color-accent-light);
    color: var(--color-primary);
    border: 1px solid var(--color-blue-200);
}

.pill-badge.whatsapp {
    background-color: rgba(37, 211, 102, 0.12);
    color: #0e9a45;
    border-color: rgba(37, 211, 102, 0.25);
}

.pill-badge.dark {
    background-color: rgba(7, 26, 47, 0.06);
    color: var(--color-primary);
    border-color: rgba(7, 26, 47, 0.12);
}

.tag-pill {
    background-color: var(--color-blue-50);
    color: var(--color-primary);
    border: 1px solid var(--color-blue-200);
}

.badge-tag {
    background-color: var(--color-gray-50);
    color: var(--color-secondary);
    border: 1px solid var(--color-border);
}

/* Portfolio Filter Bar */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.filter-btn {
    background: none;
    border: 2px solid var(--color-border);
    padding: 0.55rem 1.25rem;
    border-radius: 9999px;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-secondary-light);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.filter-btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

/* Layout Helpers */
.content-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-max {
    max-width: 768px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-banner {
    background-color: var(--color-primary);
    padding: 3rem 0;
    color: var(--color-white);
}

.section-banner h1,
.section-banner h2 {
    color: var(--color-white);
}

.section-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
    align-items: start;
}

.three-col-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.5rem;
}

.two-col-form-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.25rem;
}

.flex-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.divider {
    height: 1px;
    background-color: var(--color-border);
    margin: 2rem 0;
}

.hover-card {
    transition: all var(--transition-fast);
}

.hover-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-soft);
}

/* Body overflow helper for mobile menu / modals */
body.overflow-hidden {
    overflow: hidden;
}

/* Form Additions: error, row, actions */
.form-row {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    margin-top: 1.5rem;
}

.form-error {
    display: none;
    background-color: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
    border-radius: var(--radius-md);
    padding: 0.85rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.form-error.visible {
    display: block;
}

.form-success {
    display: none;
    background-color: #f0fdf4;
    color: #15803d;
    border: 1px solid #bbf7d0;
    border-radius: var(--radius-md);
    padding: 0.85rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.form-success.visible {
    display: block;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--color-secondary-light);
    margin-top: 0.35rem;
}

.form-input:invalid:not(:placeholder-shown),
.form-select:invalid:not(:placeholder-shown),
.form-textarea:invalid:not(:placeholder-shown) {
    border-color: #f87171;
}

.form-row-note {
    font-size: 0.8125rem;
    color: var(--color-secondary-light);
}

/* Privacy notice inline (already used on contact/services/quote) */
.privacy-notice-inline {
    font-size: 0.8rem;
    color: var(--color-secondary-light);
    margin-top: 0.5rem;
    line-height: 1.55;
}

.privacy-notice-inline a {
    color: var(--color-accent);
    font-weight: 600;
    text-decoration: underline;
}

/* Three-pillar header badges */
.pillar-label {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.9rem;
    border-radius: 9999px;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.pillar-label.build {
    background-color: rgba(37, 99, 235, 0.1);
    color: #1d4ed8;
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.pillar-label.automate {
    background-color: rgba(124, 58, 237, 0.1);
    color: #6d28d9;
    border: 1px solid rgba(124, 58, 237, 0.2);
}

.pillar-label.repair {
    background-color: rgba(37, 211, 102, 0.12);
    color: #0e9a45;
    border: 1px solid rgba(37, 211, 102, 0.22);
}

/* Discount modal styles (optional, matches faq.html modal) */
.discount-modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 1rem;
}

.discount-modal-overlay.active {
    display: flex;
}

.discount-modal {
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    max-width: 480px;
    width: 100%;
    padding: 2.5rem 2rem;
    position: relative;
    animation: modalPopIn 0.35s ease-out;
}

@keyframes modalPopIn {
    from { opacity: 0; transform: translateY(20px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.discount-modal-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: none;
    border: none;
    color: var(--color-secondary-light);
    cursor: pointer;
    padding: 0.35rem;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.discount-modal-close:hover {
    background-color: var(--color-gray-100);
    color: var(--color-primary);
}

/* ===== RESPONSIVE OVERRIDES: 375 / 480 / 768 / 1024 / 1440 ===== */

/* Width <= 375 (tiny mobile) */
@media (max-width: 375px) {
    .container,
    .content-grid {
        padding: 0 1rem;
    }

    .section-padding {
        padding: 3rem 0;
    }

    .hero-title {
        font-size: 2rem;
        letter-spacing: -0.02em;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .page-header-title {
        font-size: 1.875rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .mobile-menu {
        width: 84vw;
    }

    .cta-section {
        padding: 2rem 1.25rem;
    }

    .cta-title {
        font-size: 1.375rem;
    }

    .portfolio-actions,
    .form-actions,
    .hero-buttons,
    .cta-buttons {
        flex-direction: column;
    }

    .portfolio-actions .btn,
    .form-actions .btn,
    .hero-buttons .btn,
    .cta-buttons .btn {
        width: 100%;
    }

    .pill-badge,
    .tag-pill {
        font-size: 0.6875rem;
        padding: 0.3rem 0.7rem;
    }

    .footer-bottom-links {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Width 376 - 480 */
@media (min-width: 376px) and (max-width: 480px) {
    .container,
    .content-grid {
        padding: 0 1.25rem;
    }

    .section-padding {
        padding: 3.5rem 0;
    }

    .hero-title {
        font-size: 2.375rem;
    }

    .page-header-title {
        font-size: 2.125rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .mobile-menu {
        width: 82vw;
    }

    .cta-section {
        padding: 2.25rem 1.5rem;
    }

    .cta-title {
        font-size: 1.5rem;
    }
}

/* Width 481 - 768 (tablet portrait) */
@media (min-width: 481px) and (max-width: 768px) {
    .hero-title {
        font-size: 2.875rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

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

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

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

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

/* Width 640 (already partially exists) — reinforce grids */
@media (min-width: 640px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

@media (min-width: 1024px) {
    .desktop-nav {
        display: flex;
    }

    .menu-toggle {
        display: none;
    }

    .mobile-menu,
    .menu-overlay {
        display: none;
    }

    .hero-features {
        display: grid;
    }

    .steps-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }

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

    .three-col-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .section-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }
}

/* Width >= 1440 (large desktop) */
@media (min-width: 1440px) {
    .container,
    .content-grid {
        max-width: 1280px;
    }

    .hero-title {
        font-size: 4.25rem;
    }

    .section-title {
        font-size: 2.75rem;
    }

    .service-pillars {
        gap: 2.5rem;
    }

    .portfolio-grid {
        gap: 2.5rem;
    }

    .services-grid {
        gap: 2rem;
    }
}

/* Global overflow safeguard — no horizontal scroll bleed */
html {
    overflow-x: hidden;
}

body {
    overflow-x: hidden;
}