/* 
  Textiles Pelileo - Robust Design System
  Inspired by premium industrial aesthetics (comfortline.ec)
*/

:root {
    /* Color Palette */
    --primary-dark: #0F172A;
    /* Deep Navy */
    --primary-accent: #1E3A8A;
    /* Industrial Blue */
    --secondary-accent: #FDE68A;
    /* Technical Yellow (for accents) */
    --text-main: #1F2937;
    --text-muted: #4B5563;
    --bg-light: #F8FAFC;
    --white: #FFFFFF;
    --border-color: #E2E8F0;

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Raleway', sans-serif;
    --font-technical: 'Inter', sans-serif;

    /* Spacing */
    --section-padding: 80px 20px;
    --container-max-width: 1200px;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
.heading {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Layout Components --- */

/* Header & Nav */
header {
    background: var(--white);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.nav-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-text h1 {
    font-size: 1.2rem;
    color: var(--primary-dark);
    letter-spacing: -0.5px;
}

.logo-text p {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

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

.nav-cta .btn-contact {
    background: var(--primary-dark);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.nav-cta .btn-contact:hover {
    background: var(--primary-accent);
    transform: translateY(-2px);
}

/* Sections */
.section {
    padding: var(--section-padding);
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-dark);
    margin-bottom: 15px;
}

.section-title p {
    max-width: 700px;
    margin: 0 auto;
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
}

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

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

.btn-whatsapp {
    background: #25D366;
    color: var(--white);
}

/* Footer */
footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.51fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    margin-bottom: 25px;
    color: var(--white);
    font-size: 1.1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #94A3B8;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid #1E293B;
    padding-top: 30px;
    text-align: center;
    font-size: 0.85rem;
    color: #64748B;
}

/* Mobile Responsive */

/* Hamburger Menu Button */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-dark);
    margin: 3px 0;
    border-radius: 3px;
    transition: var(--transition-smooth);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu Overlay */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(15, 23, 42, 0.98);
    z-index: 999;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu.active {
    display: flex;
    opacity: 1;
}

.mobile-menu ul {
    list-style: none;
    text-align: center;
}

.mobile-menu ul li {
    margin: 25px 0;
}

.mobile-menu ul li a {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.mobile-menu ul li a:hover {
    color: var(--secondary-accent);
}

.mobile-menu .mobile-cta {
    margin-top: 30px;
}

.mobile-menu .mobile-cta a {
    background: #25D366;
    color: white;
    padding: 15px 40px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
}

@media (max-width: 992px) {
    .nav-links {
        display: none;
    }

    .nav-cta {
        display: none;
    }

    .hamburger {
        display: flex;
    }

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

@media (max-width: 768px) {
    .section-title h2 {
        font-size: 2rem;
    }

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

    .logo-text h1 {
        font-size: 1rem;
    }

    .logo-text p {
        display: none;
    }
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 9999;
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: white;
}

.whatsapp-float .tooltip {
    position: absolute;
    right: 70px;
    background: #0F172A;
    color: white;
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 0.9rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.whatsapp-float .tooltip::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 8px;
    border-style: solid;
    border-color: transparent transparent transparent #0F172A;
}

/* Pulse animation */
.whatsapp-float::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: #25D366;
    animation: pulse 2s infinite;
    z-index: -1;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.7;
    }

    70% {
        transform: scale(1.5);
        opacity: 0;
    }

    100% {
        transform: scale(1);
        opacity: 0;
    }
}