/* Pure Standalone Robust CSS Stylesheet - Zero CDN Dependencies */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    --bg-main: #FFFFFF;
    --bg-alt: #F8FAFC;
    --slate-900: #0F172A;
    --slate-800: #1E293B;
    --slate-700: #334155;
    --slate-600: #475569;
    --slate-500: #64748B;
    --slate-200: #E2E8F0;
    --slate-100: #F1F5F9;
    
    --brand-blue: #1E3A8A;
    --brand-blue-light: #2563EB;
    --brand-red: #DC2626;
    --brand-red-dark: #B91C1C;
    --brand-red-light: #EF4444;
    --brand-whatsapp: #25D366;
    --brand-whatsapp-dark: #1EBE5D;
}

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

html {
    scroll-behavior: smooth;
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--slate-900);
    line-height: 1.5;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
}

/* Utilities & Colors */
.text-brand-blue { color: var(--brand-blue) !important; }
.text-brand-red { color: var(--brand-red) !important; }
.bg-brand-red { background-color: var(--brand-red) !important; }
.bg-brand-blue { background-color: var(--brand-blue) !important; }
.bg-brand-navy { background-color: var(--slate-900) !important; }
.bg-brand-whatsapp { background-color: var(--brand-whatsapp) !important; }

/* Announcement Bar */
.top-bar {
    background-color: var(--slate-900);
    color: #FFFFFF;
    font-size: 13px;
    padding: 10px 20px;
    border-bottom: 1px solid var(--slate-800);
}
.top-bar-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

/* Header & Nav */
.header-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--slate-200);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.header-container {
    max-width: 1200px;
    margin: 0 auto;
    height: 80px;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo-box {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}
.logo-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--brand-blue) 0%, var(--slate-900) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 900;
}
.logo-text {
    font-size: 24px;
    font-weight: 900;
    color: var(--slate-900);
    line-height: 1;
}
.logo-subtext {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--slate-500);
    margin-top: 4px;
    display: block;
}

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}
.nav-link {
    text-decoration: none;
    color: var(--slate-700);
    font-weight: 600;
    font-size: 14px;
    transition: color 0.2s;
}
.nav-link:hover {
    color: var(--brand-red);
}

.header-cta-group {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 14px;
    font-weight: 800;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}
.btn-red {
    background-color: var(--brand-red);
    color: white !important;
    box-shadow: 0 4px 14px rgba(220, 38, 38, 0.3);
}
.btn-red:hover {
    background-color: var(--brand-red-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(220, 38, 38, 0.4);
}
.btn-navy {
    background-color: var(--slate-900);
    color: white !important;
}
.btn-navy:hover {
    background-color: var(--slate-800);
    transform: translateY(-2px);
}
.btn-whatsapp {
    background-color: var(--brand-whatsapp);
    color: white !important;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}
.btn-whatsapp:hover {
    background-color: var(--brand-whatsapp-dark);
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    padding: 80px 20px;
    position: relative;
    background-color: var(--bg-main);
}
.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px;
    align-items: center;
}
@media (min-width: 992px) {
    .hero-container {
        grid-template-columns: 1.2fr 0.8fr;
    }
}
.badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: #FEF2F2;
    border: 1px solid #FCA5A5;
    color: var(--brand-red);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 20px;
}
.hero-title {
    font-size: 44px;
    font-weight: 900;
    color: var(--slate-900);
    line-height: 1.15;
    margin-bottom: 20px;
}
@media (max-width: 768px) {
    .hero-title { font-size: 32px; }
}
.hero-subtitle {
    font-size: 18px;
    color: var(--slate-600);
    margin-bottom: 30px;
    line-height: 1.6;
}
.hero-bullets {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 35px;
}
@media (min-width: 576px) {
    .hero-bullets { grid-template-columns: 1fr 1fr; }
}
.bullet-item {
    background-color: var(--slate-100);
    border: 1px solid var(--slate-200);
    padding: 14px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 14px;
    color: var(--slate-800);
}

.hero-card {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    position: relative;
    border: 4px solid white;
}
.hero-card img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    display: block;
}
.hero-card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.95), transparent);
    color: white;
}

/* Metrics Bar */
.metrics-section {
    background-color: var(--slate-900);
    color: white;
    padding: 40px 20px;
    border-top: 1px solid var(--slate-800);
    border-bottom: 1px solid var(--slate-800);
}
.metrics-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    text-align: center;
}
@media (min-width: 768px) {
    .metrics-grid { grid-template-columns: repeat(4, 1fr); }
}
.metric-num {
    font-size: 42px;
    font-weight: 900;
    font-family: 'Outfit', sans-serif;
}
.metric-label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--slate-400);
    margin-top: 4px;
}

/* Section Common Header */
.section {
    padding: 90px 20px;
}
.section-alt {
    background-color: var(--bg-alt);
}
.section-header {
    text-align: center;
    max-width: 750px;
    margin: 0 auto 60px auto;
}
.section-subtitle-tag {
    display: inline-block;
    background-color: #EFF6FF;
    color: var(--brand-blue);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 15px;
}
.section-title {
    font-size: 38px;
    font-weight: 900;
    color: var(--slate-900);
    line-height: 1.2;
    margin-bottom: 15px;
}
.section-desc {
    font-size: 17px;
    color: var(--slate-600);
}

/* Portfolio Grid */
.portfolio-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}
@media (min-width: 768px) {
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 992px) {
    .portfolio-grid { grid-template-columns: repeat(3, 1fr); }
}
.portfolio-card {
    background-color: white;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--slate-200);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.portfolio-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(220, 38, 38, 0.04);
}
.portfolio-img-wrap {
    height: 240px;
    overflow: hidden;
    position: relative;
}
.portfolio-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.portfolio-card:hover .portfolio-img-wrap img {
    transform: scale(1.08);
}
.portfolio-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--slate-900);
    color: white;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 8px;
}
.portfolio-body {
    padding: 24px;
}
.portfolio-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--slate-900);
    margin-bottom: 10px;
}
.portfolio-text {
    font-size: 14px;
    color: var(--slate-600);
    line-height: 1.6;
}
.portfolio-footer {
    padding: 0 24px 24px 24px;
}

/* Services Grid */
.services-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}
@media (min-width: 768px) {
    .services-grid { grid-template-columns: repeat(3, 1fr); }
}
.service-card {
    background-color: white;
    border-radius: 20px;
    padding: 35px 30px;
    border: 1px solid var(--slate-200);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}
.service-card:hover {
    border-color: var(--brand-red);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}
.service-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background-color: #FEF2F2;
    color: var(--brand-red);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 24px;
}

/* Testimonials */
.testimonials-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}
@media (min-width: 768px) {
    .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
}
.testimonial-card {
    background-color: var(--bg-alt);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid var(--slate-200);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.stars {
    color: #F59E0B;
    display: flex;
    gap: 4px;
    margin-bottom: 15px;
}

/* Footer */
footer {
    background-color: var(--slate-900);
    color: var(--slate-400);
    padding: 60px 20px 30px 20px;
    border-top: 1px solid var(--slate-800);
}
.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}
@media (min-width: 768px) {
    .footer-grid { grid-template-columns: repeat(4, 1fr); }
}

/* Floating WhatsApp & Sticky Mobile */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 99;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}
.whatsapp-bubble {
    background-color: white;
    color: var(--slate-900);
    font-size: 12px;
    font-weight: 800;
    padding: 8px 14px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    border: 1px solid var(--slate-200);
}
.whatsapp-btn-circle {
    width: 64px;
    height: 64px;
    background-color: var(--brand-whatsapp);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    text-decoration: none;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 15px rgba(37, 211, 102, 0.6); }
    50% { box-shadow: 0 0 30px rgba(37, 211, 102, 0.9); }
}

.mobile-sticky-bar {
    display: none;
}
@media (max-width: 767px) {
    .mobile-sticky-bar {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 100;
        background-color: white;
        padding: 12px;
        border-top: 1px solid var(--slate-200);
        box-shadow: 0 -4px 15px rgba(0,0,0,0.1);
    }
}