@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;600;700;900&display=swap');

/* --- CUSTOM PROPERTIES (DESIGN SYSTEM) --- */
:root {
    /* Brand Colors */
    --color-primary: #0053B3;        /* Blue */
    --color-secondary: #FF7604;      /* Orange */
    --color-success: #00C201;        /* Green */
    
    /* Neutrals */
    --color-dark-bg: #0D0E12;
    --color-dark-surface: #171923;
    --color-light-bg: #F8FAFC;
    --color-light-surface: #FFFFFF;
    
    /* Text Colors */
    --text-light-base: #2D3748;
    --text-light-muted: #718096;
    --text-dark-base: #F7FAFC;
    --text-dark-muted: #A0AEC0;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing & Borders */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-premium: 0 20px 40px -15px rgba(0, 83, 179, 0.15);
}

/* --- RESET & BASE STYLES --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-light-bg);
    color: var(--text-light-base);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* --- GENERAL TYPOGRAPHY --- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-dark-surface);
}

p {
    font-size: 1rem;
    color: var(--text-light-muted);
}

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

.section {
    padding: 100px 0;
    position: relative;
}

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

.section-dark h2, .section-dark h3 {
    color: var(--text-dark-base);
}

.section-dark p {
    color: var(--text-dark-muted);
}

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

.section-header {
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-smooth);
    gap: 8px;
}

.btn-primary {
    background-color: var(--color-secondary);
    color: #FFFFFF;
}

.btn-primary:hover {
    background-color: #E26802;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 118, 4, 0.3);
}

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

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

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

.btn-success:hover {
    background-color: #00A601;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 194, 1, 0.3);
}

/* --- HEADER / NAVIGATION --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 83, 179, 0.1);
    transition: var(--transition-smooth);
}

.header.scrolled {
    background-color: var(--color-light-surface);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.header .nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
}

.logo-container img {
    height: 70px;
    width: auto;
    display: block;
    transition: var(--transition-smooth);
}

.nav-links {
    display: none;
    gap: 32px;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
        align-items: center;
    }
}

.nav-link {
    text-decoration: none;
    color: var(--text-light-base);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

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

/* --- HERO SECTION --- */
.hero {
    padding-top: 160px;
    padding-bottom: 100px;
    background: radial-gradient(circle at 10% 20%, rgba(0, 83, 179, 0.05) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(255, 118, 4, 0.03) 0%, transparent 40%),
                var(--color-light-bg);
}

.hero .grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
}

@media (min-width: 992px) {
    .hero .grid {
        grid-template-columns: 1.2fr 0.8fr;
    }
}

.hero-tag {
    display: inline-block;
    background-color: rgba(0, 83, 179, 0.1);
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 2.8rem;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.8rem;
    }
}

.hero-subtitle {
    font-size: 1.15rem;
    margin-bottom: 36px;
    color: var(--text-light-muted);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 40px;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 30px 50px rgba(0, 0, 0, 0.15));
}

/* Glassmorphism Background Circle behind image */
.hero-visual::before {
    content: '';
    position: absolute;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(0,83,179,0.15) 0%, transparent 70%);
    z-index: -1;
    border-radius: 50%;
}

/* --- DIFFERENTIALS SECTION --- */
.diff-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 576px) {
    .diff-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .diff-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.diff-card {
    background-color: var(--color-light-surface);
    padding: 32px;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
    border: 1px solid rgba(0, 83, 179, 0.05);
    transition: var(--transition-smooth);
}

.diff-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-premium);
    border-color: rgba(0, 83, 179, 0.15);
}

.diff-icon {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.diff-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.diff-desc {
    font-size: 0.95rem;
}

/* --- PRODUCTS SECTION --- */
.product-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media (min-width: 768px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.product-card {
    background-color: var(--color-light-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
    border: 1px solid rgba(0, 83, 179, 0.05);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-premium);
    border-color: rgba(0, 83, 179, 0.2);
}

.product-info {
    padding: 32px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-title {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.product-desc {
    font-size: 0.95rem;
    margin-bottom: 24px;
    flex-grow: 1;
}

.product-features {
    list-style: none;
    margin-bottom: 30px;
}

.product-features li {
    font-size: 0.9rem;
    color: var(--text-light-muted);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.product-features li::before {
    content: '✓';
    color: var(--color-primary);
    font-weight: bold;
}

.product-btn {
    width: 100%;
}

/* --- BRANDS CAROUSEL --- */
.brands {
    background-color: var(--color-light-surface);
    padding: 60px 0;
    border-top: 1px solid rgba(0, 83, 179, 0.05);
    border-bottom: 1px solid rgba(0, 83, 179, 0.05);
}

.brands-title {
    font-size: 0.9rem;
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-light-muted);
    text-align: center;
    margin-bottom: 40px;
}

.brands-slider {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 48px;
}

.brands-slider img {
    max-height: 48px;
    max-width: 135px;
    width: auto;
    height: auto;
    object-fit: contain;
    opacity: 0.95;
    transition: var(--transition-smooth);
}

.brands-slider img.brand-logo-ppg {
    max-height: 55px;
    max-width: 180px;
}

.brands-slider img.brand-logo-sw {
    max-height: 58px;
    max-width: 110px;
}

.brands-slider img:hover {
    opacity: 1;
    transform: scale(1.08);
}

/* --- QUOTE SECTION --- */
.quote-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    align-items: center;
}

@media (min-width: 992px) {
    .quote-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.quote-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #FFFFFF;
}

.quote-bullets {
    margin-top: 40px;
}

.quote-bullet {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.quote-bullet-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    font-weight: bold;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.quote-bullet-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: #FFFFFF;
}

.quote-bullet-desc {
    color: var(--text-dark-muted);
}

.quote-form-card {
    background-color: var(--color-dark-surface);
    padding: 48px;
    border-radius: var(--radius-lg);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    color: var(--text-dark-muted);
}

.form-control {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: #FFFFFF;
    transition: var(--transition-smooth);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: rgba(255, 255, 255, 0.08);
}

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

.form-file-help {
    font-size: 0.8rem;
    color: var(--text-dark-muted);
    margin-top: 6px;
}

.form-btn {
    width: 100%;
    margin-top: 12px;
}

/* --- FOOTER --- */
.footer {
    background-color: #0B0B0E;
    padding: 60px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-dark-muted);
    font-size: 0.9rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr;
    }
}

.footer-logo svg {
    height: 40px;
    margin-bottom: 20px;
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-nav-link {
    color: var(--text-dark-muted);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-nav-link:hover {
    color: #FFFFFF;
}

.footer-bottom {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 20px;
}

/* --- WHATSAPP FLOATING BUTTON --- */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    width: 60px;
    height: 60px;
    background-color: var(--color-success);
    color: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 10px 25px rgba(0, 194, 1, 0.4);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: #00A601;
    box-shadow: 0 15px 30px rgba(0, 194, 1, 0.5);
}