/* ========================================
   Xpecto IT Solutions - Landing Page CSS
   ======================================== */

/* CSS Variables */
:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: rgba(59, 130, 246, 0.1);
    --secondary: #1e293b;
    --background: #0a0f1a;
    --surface: #111827;
    --surface-light: #1f2937;
    --border: rgba(255, 255, 255, 0.1);
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --success: #22c55e;
    --whatsapp: #25D366;
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-mesh: radial-gradient(ellipse at 20% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
                     radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --radius: 16px;
    --radius-sm: 8px;
    --radius-lg: 24px;
    --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

.text-primary {
    color: var(--primary) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

/* Header */
.header-sticky {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
    padding: 1rem 0;
}

.header-sticky.scrolled {
    background: rgba(10, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 0;
}

.header-sticky .navbar {
    padding: 0;
}

.header-sticky .navbar-brand img {
    height: 40px;
    width: auto;
}

.header-sticky .navbar-toggler {
    border: 1px solid var(--border);
    padding: 0.5rem;
}

.header-sticky .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.header-sticky .nav-link {
    color: var(--text-muted);
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: var(--transition);
}

.header-sticky .nav-link:hover {
    color: var(--text);
}

.header-buttons .btn {
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
}

/* Buttons */
.btn {
    font-weight: 600;
    border-radius: var(--radius-sm);
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
    border: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}

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

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

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

.btn-outline-light:hover {
    background: var(--glass);
    border-color: var(--text);
    color: var(--text);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: #16a34a;
}

.btn-whatsapp {
    background: var(--whatsapp);
    color: white;
}

.btn-whatsapp:hover {
    background: #20BA5A;
    color: white;
}

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

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

.glow-btn {
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.4);
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-mesh);
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: float 8s ease-in-out infinite;
}

.glow-orb-1 {
    top: 20%;
    left: 20%;
    width: 400px;
    height: 400px;
    background: rgba(59, 130, 246, 0.2);
}

.glow-orb-2 {
    bottom: 20%;
    right: 20%;
    width: 400px;
    height: 400px;
    background: rgba(139, 92, 246, 0.15);
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.2); opacity: 0.5; }
}

.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--text-muted);
    backdrop-filter: blur(10px);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(34, 197, 94, 0); }
    100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.5rem;
    }
}

@media (min-width: 992px) {
    .hero-title {
        font-size: 4rem;
    }
}

.glow-text {
    text-shadow: 0 0 40px rgba(59, 130, 246, 0.5);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 540px;
}

/* Stats Cards */
.stat-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Dashboard Mockup */
.dashboard-mockup {
    position: relative;
    animation: float-slow 6s ease-in-out infinite;
}

@keyframes float-slow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.dashboard-mockup > div:first-child {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    backdrop-filter: blur(20px);
}

.mockup-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.mockup-dots {
    display: flex;
    gap: 6px;
}

.mockup-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.mockup-dots .red { background: #ef4444; }
.mockup-dots .yellow { background: #f59e0b; }
.mockup-dots .green { background: #22c55e; }

.mockup-url {
    margin-left: 1rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.mockup-toolbar {
    display: flex;
    align-items: center;
    background: var(--surface-light);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.mini-stat {
    background: var(--surface);
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    text-align: center;
}

.mini-stat-value {
    font-size: 1.125rem;
    font-weight: 700;
}

.mini-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 100px;
    background: var(--surface);
    padding: 1rem;
    border-radius: var(--radius-sm);
}

.chart-bars .bar {
    flex: 1;
    background: var(--primary);
    opacity: 0.6;
    border-radius: 4px 4px 0 0;
    transition: opacity 0.3s;
}

.chart-bars .bar:hover {
    opacity: 1;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.feature-item {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.floating-card {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    backdrop-filter: blur(20px);
    animation: float-card 5s ease-in-out infinite;
    animation-delay: -1s;
}

@keyframes float-card {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

.floating-card-icon {
    width: 40px;
    height: 40px;
    background: rgba(34, 197, 94, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-card-title {
    font-weight: 600;
    font-size: 0.875rem;
}

.floating-card-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Sections */
.py-section {
    padding: 5rem 0;
}

@media (min-width: 768px) {
    .py-section {
        padding: 7rem 0;
    }
}

.bg-gradient-section {
    background: var(--gradient-mesh);
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }
}

@media (min-width: 992px) {
    .section-title {
        font-size: 3rem;
    }
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto;
}

/* Feature Cards */
.feature-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    height: 100%;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.05);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.25rem;
    color: var(--primary);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: rgba(59, 130, 246, 0.2);
}

.feature-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* Pricing Cards */
.pricing-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.3);
}

.pricing-card.popular {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.05);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.pricing-header {
    text-align: center;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

.pricing-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.pricing-price {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.pricing-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
    flex-grow: 1;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    padding: 0.5rem 0;
}

.pricing-features li i {
    margin-top: 2px;
    flex-shrink: 0;
}

.pricing-footer {
    margin-top: auto;
}

/* Service Cards */
.service-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
    height: 100%;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.service-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
    color: var(--primary);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: rgba(59, 130, 246, 0.2);
}

.service-title {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.service-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* Industry Cards */
.industry-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    height: 100%;
    transition: var(--transition);
}

.industry-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.industry-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-light);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: var(--primary);
    transition: var(--transition);
}

.industry-card:hover .industry-icon {
    background: rgba(59, 130, 246, 0.2);
}

.industry-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.industry-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* Process Section */
.process-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    height: 100%;
    transition: var(--transition);
    position: relative;
}

.process-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.process-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

@media (min-width: 992px) {
    .process-number {
        display: none;
    }
    
    .process-card::before {
        content: attr(data-step);
        position: absolute;
        top: -12px;
        left: 50%;
        transform: translateX(-50%);
        width: 24px;
        height: 24px;
        background: var(--primary);
        color: white;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.75rem;
        font-weight: 700;
    }
}

.process-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.25rem;
    color: var(--primary);
}

.process-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.process-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* Portfolio Cards */
.portfolio-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.portfolio-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.portfolio-image {
    height: 200px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.portfolio-category {
    background: var(--glass);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
}

.portfolio-content {
    padding: 1.25rem;
}

.portfolio-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.portfolio-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* FAQ Accordion */
.accordion {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.accordion-item {
    background: var(--glass);
    border: 1px solid var(--glass-border) !important;
    border-radius: var(--radius) !important;
    overflow: hidden;
}

.accordion-button {
    background: transparent;
    color: var(--text);
    font-weight: 500;
    padding: 1.25rem;
    box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
    background: transparent;
    color: var(--text);
}

.accordion-button::after {
    filter: invert(1);
}

.accordion-button:focus {
    border-color: transparent;
}

.accordion-body {
    padding: 0 1.25rem 1.25rem;
    color: var(--text-muted);
}

/* Contact Section */
.contact-info-card,
.contact-form-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    height: 100%;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    display: block;
}

.contact-value {
    font-weight: 500;
    color: var(--text);
    display: block;
}

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

/* Form Styles */
.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-control,
.form-select {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    background: var(--surface);
    border-color: var(--primary);
    color: var(--text);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.form-select option {
    background: var(--surface);
    color: var(--text);
}

/* Footer */
.footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 4rem 0 2rem;
}

.footer-logo img {
    height: 40px;
}

.footer-desc {
    color: var(--text-muted);
    max-width: 400px;
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
}

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

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.875rem;
}

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

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

.footer-contact li {
    margin-bottom: 0.75rem;
}

.footer-contact a {
    color: var(--text-muted);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
}

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

.footer-divider {
    border-color: var(--border);
    margin: 2rem 0;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

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

.footer-bottom-links a {
    color: var(--text-muted);
    font-size: 0.875rem;
}

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

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: var(--whatsapp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.75rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
}

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

.whatsapp-float::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--whatsapp);
    animation: whatsapp-pulse 2s infinite;
}

@keyframes whatsapp-pulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.4); opacity: 0; }
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--surface);
    color: var(--text);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

/* Mobile Responsive */
@media (max-width: 991.98px) {
    .header-sticky .navbar-collapse {
        background: var(--surface);
        padding: 1rem;
        border-radius: var(--radius);
        margin-top: 1rem;
        border: 1px solid var(--border);
    }
    
    .header-buttons {
        flex-direction: column;
        margin-top: 1rem;
    }
    
    .header-buttons .btn {
        width: 100%;
    }
}

@media (max-width: 767.98px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .py-section {
        padding: 3rem 0;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 16px;
        right: 16px;
    }
}

/* Utilities */
.min-vh-100 {
    min-height: 100vh;
}

.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }

/* Spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}