/* --- Google Font Import --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

/* --- CSS Variables --- */
:root {
    --primary-color: #007BFF;
    --whatsapp-color: #25D366;
    --light-bg: #E2E8F0;
    --white-color: #FFFFFF;
    --dark-text: #1A202C;
    --muted-text: #4A5568;
    --border-color: #CBD5E0;
    --dark-bg-contrast: #1A202C;
    --light-text-on-dark: #FFFFFF;
    --font-family: 'Poppins', sans-serif;
    --transition-speed: 0.3s ease;
}

/* --- Global Resets & Body --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { overflow-x: hidden; }
body {
    font-family: var(--font-family);
    background-color: var(--light-bg); /* Fallback color */
    background-image: url('../images/cable-watermark.png'); /* <<< YOUR IMAGE PATH HERE */
    background-repeat: repeat;
    background-position: center;
    background-attachment: fixed;
    color: var(--dark-text);
    line-height: 1.7;
    position: relative;
}

/* --- Global Sections & Container --- */
.container { width: 90%; max-width: 1200px; margin: 0 auto; padding: 5rem 0; }
.section-dark { background-color: var(--dark-bg-contrast); color: var(--light-text-on-dark); }
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--light-text-on-dark); }
.section-dark p { color: #A0AEC0; }
.section-light { background-color: var(--white-color); }

/* --- Typography & Page Headers --- */
h1, h2, h3 { font-weight: 700; line-height: 1.2; color: var(--dark-text); }
h1 { font-size: 3.2rem; }
h2 { font-size: 2.5rem; text-align: center; margin-bottom: 3rem; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; }
p { color: var(--muted-text); margin-bottom: 1rem; }
.highlight { color: var(--primary-color); }
.page-header { padding-top: 8rem; padding-bottom: 4rem; text-align: center; border-bottom: 1px solid var(--border-color); background-color: var(--white-color); }

/* --- Navigation Bar --- */
.navbar { display: flex; justify-content: space-between; align-items: center; padding: 1.5rem 5%; position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: transparent; transition: all var(--transition-speed); }
.navbar.scrolled { background-color: rgba(255, 255, 255, 0.85); backdrop-filter: blur(10px); padding: 1rem 5%; border-bottom: 1px solid var(--border-color); }
.navbar .nav-links a {
    color: var(--white-color);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5); /* Makes text pop on any background */
}
.navbar .burger-menu .line {
    background-color: var(--white-color);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.5); /* Makes lines pop on any background */
}
.navbar.scrolled .nav-links a {
    color: var(--dark-text);
    text-shadow: none; /* Remove shadow when navbar is solid */
}
.navbar.scrolled .burger-menu .line {
    background-color: var(--dark-text);
    box-shadow: none; /* Remove shadow when navbar is solid */
}
.nav-logo img { height: 135px; transition: height var(--transition-speed); }
.navbar.scrolled .nav-logo img { height: 80px; }
.nav-links { list-style: none; display: flex; gap: 2.5rem; }
.nav-links a { text-decoration: none; font-weight: 600; transition: color var(--transition-speed), text-shadow var(--transition-speed); }
.nav-links a:hover, .nav-links a.active { color: var(--primary-color); }

/* --- Cards --- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.card { background-color: var(--white-color); padding: 2.5rem 2rem; border-radius: 10px; border: 1px solid var(--border-color); transition: transform var(--transition-speed), box-shadow var(--transition-speed); box-shadow: 0 4px 6px rgba(0,0,0,0.05); }
.card:hover { transform: translateY(-8px); box-shadow: 0 10px 20px rgba(0,0,0,0.08); }
.section-dark .card { background-color: #2D3748; border-color: #4A5568; }

/* --- Buttons --- */
.cta-button, .contact-form button[type="submit"] {
    display: inline-block; padding: 12px 30px; background-color: var(--primary-color); color: var(--white-color);
    text-decoration: none; font-weight: 600; border-radius: 50px; border: 2px solid var(--primary-color);
    transition: all var(--transition-speed); font-family: var(--font-family); font-size: 1rem; cursor: pointer;
}
.cta-button:hover, .contact-form button[type="submit"]:hover {
    background-color: transparent; color: var(--primary-color); transform: translateY(-3px);
}
.cta-button.cta-button-elevated{box-shadow:0 5px 20px rgba(0,123,255,0.4);transform:translateY(0)}
.cta-button.cta-button-elevated:hover{transform:translateY(-4px);box-shadow:0 8px 25px rgba(0,123,255,0.5);background-color:var(--primary-color)}

/* --- Contact Form Specific Styling --- */
.contact-form .input {
    background: #F8FAFC !important; border: 1px solid var(--border-color) !important; color: var(--dark-text) !important;
    border-radius: 5px !important; font-family: var(--font-family) !important; padding: 12px !important;
    width: 100% !important; font-size: 1rem !important; margin-bottom: 1rem;
}
.contact-form .input::placeholder { color: var(--muted-text) !important; }
.contact-form p { margin-bottom: 0 !important; }


/* --- Responsive & Mobile Menu --- */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; line-height: 1.3; }
    h2 { font-size: 2rem; }
    .hero h1 { font-size: 2.8rem; }
    .nav-logo img, .navbar.scrolled .nav-logo img { height: 60px; }
    .burger-menu { display: flex; flex-direction: column; gap: 5px; cursor: pointer; z-index: 1002; }
    .burger-menu .line { width: 25px; height: 3px; background-color: var(--white-color); transition: all var(--transition-speed); }
    .navbar.scrolled .burger-menu .line { background-color: var(--dark-text); }
    .nav-links { position: fixed; top: 0; right: 0; width: 70%; max-width: 320px; height: 100vh; background-color: var(--white-color); flex-direction: column; justify-content: center; align-items: center; z-index: 1001; box-shadow: -10px 0 30px rgba(0,0,0,0.1); transform: translateX(100%); transition: transform 0.4s ease-in-out; }
    .nav-links a { color: var(--dark-text) !important; }
    .nav-links.nav-active { transform: translateX(0); }
    .burger-menu.toggle .line { background-color: var(--dark-text); }
    .burger-menu.toggle .line1 { transform: rotate(-45deg) translate(-5px, 6px); }
    .burger-menu.toggle .line2 { opacity: 0; }
    .burger-menu.toggle .line3 { transform: rotate(45deg) translate(-5px, -6px); }
}

/* --- FAQ Accordion --- */
.faq-accordion .faq-item { background-color: var(--white-color); margin-bottom: 1rem; border-radius: 8px; border: 1px solid var(--border-color); box-shadow: 0 4px 6px rgba(0,0,0,0.03); transition: all var(--transition-speed); }
.faq-accordion .faq-item:hover { box-shadow: 0 7px 15px rgba(0,0,0,0.06); transform: translateY(-2px); }
.faq-question { width: 100%; background: transparent; border: none; text-align: left; padding: 1.5rem; font-size: 1.1rem; font-weight: 600; color: var(--dark-text); cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-question::after { content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; color: var(--primary-color); transition: transform 0.3s ease; }
.faq-question.active { color: var(--primary-color); }
.faq-question.active::after { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer p { padding: 0 1.5rem 1.5rem 1.5rem; margin: 0; color: var(--muted-text); }
.section-dark .faq-item { background-color: var(--dark-bg-contrast); border-color: #4A5568; }
.section-dark .faq-question { color: var(--light-text-on-dark); }

/* --- Footer & WhatsApp --- */
.footer{background-color:var(--dark-bg-contrast);color:var(--light-text-on-dark);padding:3rem 5%;text-align:center;}.footer-socials a{color:var(--light-text-on-dark);font-size:1.5rem;margin:0 1rem;text-decoration:none;transition:color var(--transition-speed)}.footer-socials a:hover{color:var(--primary-color)}.footer .copyright{font-size:0.9rem;margin-top:1rem;color:#A0AEC0}.footer .dev-credit{font-size:0.8rem;margin-top:0.5rem;color:#A0AEC0}.footer .dev-credit a{color:var(--primary-color);text-decoration:none}.footer .dev-credit a:hover{text-decoration:underline}
.whatsapp-float{position:fixed;width:60px;height:60px;bottom:40px;right:40px;background-color:var(--whatsapp-color);color:var(--white-color);border-radius:50px;text-align:center;font-size:30px;box-shadow:2px 2px 10px rgba(0,0,0,0.2);z-index:100;transition:transform .3s ease;display:flex;justify-content:center;align-items:center}.whatsapp-float:hover{transform:scale(1.1)}