/* ============================================
   VENKATESHWARA ELECTRICALS - MAIN STYLESHEET
   ============================================ */

:root {
    --primary-orange: #FF6600;
    --primary-orange-light: #FF8533;
    --primary-orange-dark: #CC5200;
    --primary-blue: #0A1628;
    --primary-blue-light: #1A2A4A;
    --primary-blue-dark: #050B14;
    --accent-green: #00C853;
    --accent-red: #FF3D00;
    --white: #FFFFFF;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;
    --gradient-primary: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-dark) 100%);
    --gradient-dark: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(255, 102, 0, 0.3);
    --transition-base: 250ms ease;
    --transition-fast: 150ms ease;
    --header-height: 80px;
    --container-max: 1280px;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    color: var(--gray-700);
    background: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    max-width: 100vw;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.25;
}

a {
    color: var(--primary-orange);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-orange-dark);
}

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

::selection {
    background-color: var(--primary-orange);
    color: var(--white);
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

/* Preloader */
#preloader {
    position: fixed;
    inset: 0;
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.loader .lightning-bolt {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 1.5s infinite;
}

.loader .lightning-bolt i {
    font-size: 2.5rem;
    color: var(--white);
}

.loader span {
    color: var(--white);
    font-size: 1.125rem;
}

@keyframes pulse {

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

    50% {
        transform: scale(1.05);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 0.75rem;
    border: 2px solid transparent;
    transition: all var(--transition-base);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: var(--primary-orange);
}

.btn-primary:hover {
    background: var(--primary-orange-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: var(--white);
}

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

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

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--primary-orange);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: transparent;
    z-index: 300;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-base);
}

.logo-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.nav-logo:hover .logo-icon {
    transform: rotate(15deg);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    text-transform: uppercase;
}

.logo-tagline {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary-orange);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-300);
    position: relative;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-orange);
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-toggle,
.nav-close {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    cursor: pointer;
}

@media (max-width: 991px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--primary-blue-dark);
        flex-direction: column;
        justify-content: center;
        padding: 2rem;
        transition: right 0.35s;
        z-index: 400;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 1.5rem;
    }

    .nav-link {
        font-size: 1.25rem;
    }

    .nav-close {
        display: flex;
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-cta {
        display: none;
    }
}

@media (min-width: 992px) {
    .nav-cta {
        display: inline-flex;
    }
}