/*
Theme Name: Air Root Solutions Pvt Ltd
Theme URI: https://airrootsolutions.com
Description: Professional HVAC & Clean Room Technology theme for Air Root Solutions Pvt Ltd. Features product showcases, smart IoT integration highlights, and B2B lead generation.
Version: 1.0.0
Author: WebChitra
Author URI: https://webchitra.com
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: airroot
Tags: hvac, manufacturing, b2b, clean-room, ahu, industrial
*/

/* ==========================================================================
   CSS Custom Properties
   ========================================================================== */

:root {
    --primary: #0A2D6B;
    --secondary: #FF5700;
    --accent: #FF5700;
    --accent-light: #B8E4F9;
    --orange: #FF5700;
    --orange-hover: #E64D00;
    --light: #f0f7fc;
    --dark: #061A3E;
    --text: #333333;
    --text-light: #666666;
    --white: #ffffff;
}

/* ==========================================================================
   CSS Reset
   ========================================================================== */

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul,
ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--primary);
}

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    width: 100%;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    border: 2px solid transparent;
}

/* ==========================================================================
   Footer CTA Section
   ========================================================================== */

.footer-cta {
    background: linear-gradient(135deg, #FF5700 0%, #E64D00 100%);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.footer-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-heading {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.cta-subtext {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 35px;
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-cta-primary {
    background: var(--white);
    color: #FF5700;
    border-color: var(--white);
    padding: 14px 36px;
    font-weight: 700;
}

.btn-cta-primary:hover {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn-cta-outline {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
    padding: 14px 36px;
    font-weight: 700;
}

.btn-cta-outline:hover {
    background: var(--white);
    color: #FF5700;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   Main Footer
   ========================================================================== */

.site-footer {
    background-color: #0A2D6B;
    color: rgba(255, 255, 255, 0.75);
    padding-top: 70px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Footer Logo */
.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.footer-logo .logo-air {
    color: var(--white);
}

.footer-logo .logo-root {
    color: #FF5700;
}

.footer-logo .logo-solutions {
    color: rgba(255, 255, 255, 0.7);
    font-weight: 400;
    font-size: 1.2rem;
}

.footer-description {
    font-size: 0.925rem;
    line-height: 1.7;
    margin-bottom: 25px;
    color: rgba(255, 255, 255, 0.65);
}

/* Social Icons */
.footer-social {
    display: flex;
    gap: 12px;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: #FF5700;
    color: var(--white);
    transform: translateY(-3px);
}

/* Footer Headings */
.footer-heading {
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 12px;
}

.footer-heading::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background: #FF5700;
    border-radius: 2px;
}

/* Footer Links */
.footer-links ul li,
.footer-products ul li {
    margin-bottom: 10px;
}

.footer-links ul li a,
.footer-products ul li a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.925rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-links ul li a i,
.footer-products ul li a i {
    font-size: 0.65rem;
    color: #FF5700;
    transition: transform 0.3s ease;
}

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

.footer-links ul li a:hover i,
.footer-products ul li a:hover i {
    transform: translateX(3px);
}

/* Contact List */
.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 18px;
    font-size: 0.925rem;
}

.contact-list li i {
    color: #FF5700;
    font-size: 1rem;
    margin-top: 3px;
    min-width: 16px;
    text-align: center;
}

.contact-list li a {
    color: rgba(255, 255, 255, 0.65);
    transition: color 0.3s ease;
}

.contact-list li a:hover {
    color: var(--white);
}

/* ==========================================================================
   Footer Bottom Bar
   ========================================================================== */

.footer-bottom {
    background: rgba(0, 0, 0, 0.2);
    padding: 20px 0;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.copyright {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

.designer {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

.designer a {
    color: #FF5700;
    font-weight: 600;
    transition: color 0.3s ease;
}

.designer a:hover {
    color: var(--white);
}

/* ==========================================================================
   Footer Responsive
   ========================================================================== */

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

    .cta-heading {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .footer-cta {
        padding: 60px 0;
    }

    .cta-heading {
        font-size: 1.75rem;
    }

    .cta-subtext {
        font-size: 1rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .footer-heading::after {
        left: 0;
    }

    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .cta-heading {
        font-size: 1.5rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}