/* 
   Project: Amani Sewak Plastics Limited
   Stage: 1 - Foundation
   Theme: Premium Enterprise Glass-morphism
*/

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@500;600;700;800&display=swap');

:root {
    /* Brand Colors */
    --color-blue-corporate: #1E3A8A;
    /* Trust, Water, Reliability */
    --color-blue-dark: #172554;
    /* Deep contrast */
    --color-blue-light: #EFF6FF;
    /* Background tints */

    --color-red-accent: #DC2626;
    /* Alerts, CTAs */
    --color-red-hover: #B91C1C;

    --color-green-eco: #059669;
    /* Sustainability */

    --color-text-main: #1F2937;
    --color-text-muted: #6B7280;
    --color-white: #FFFFFF;

    /* Layout */
    --container-width: 1280px;
    --header-height: 130px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--color-text-main);
    background-color: #F3F4F6;
    /* Light gray backing for glass effect */
    background-image:
        radial-gradient(at 0% 0%, rgba(30, 58, 138, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(5, 150, 105, 0.1) 0px, transparent 50%);
    background-attachment: fixed;
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Outfit', sans-serif;
    line-height: 1.2;
    color: var(--color-blue-corporate);
}

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

ul {
    list-style: none;
}

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

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

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

.text-primary {
    color: var(--color-blue-corporate);
}

.text-accent {
    color: var(--color-red-accent);
}

.text-eco {
    color: var(--color-green-eco);
}

.section-padding {
    padding: 5rem 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: 'Outfit', sans-serif;
}

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

.btn-primary:hover {
    background-color: var(--color-blue-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.2);
}

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

.btn-accent:hover {
    background-color: var(--color-red-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

/* USP Icons & Framing */
.usp-item {
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-md);
    padding: 2rem 1rem;
    transition: all 0.3s ease;
    background-color: #FAFAFA;
}

.usp-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border-color: var(--color-blue-light);
}

.usp-icon {
    height: 180px;
    width: auto;
    margin-bottom: 1.5rem;
    display: block;
    margin-left: auto;
    margin-right: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.usp-icon:hover {
    transform: scale(1.05);
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-smooth);
}

.top-bar {
    background-color: var(--color-blue-corporate);
    color: var(--color-white);
    font-size: 0.875rem;
    padding: 0.5rem 0;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--color-blue-corporate);
    letter-spacing: -0.02em;
}

.logo img {
    /* Transparent logo, no blend mode needed */
    display: block;
}


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

.nav-links a {
    font-weight: 500;
    color: var(--color-text-main);
    font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-blue-corporate);
    font-weight: 700;
    position: relative;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-red-accent);
    border-radius: 2px;
}

/* Footer */
footer {
    background-color: var(--color-blue-dark);
    color: var(--color-white);
    padding: 4rem 0 2rem;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    color: var(--color-white);
    margin-bottom: 1rem;
}

.footer-brand p {
    opacity: 0.8;
    margin-bottom: 1.5rem;
}

.footer-col h4 {
    color: var(--color-white);
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    opacity: 0.8;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--color-blue-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.875rem;
    opacity: 0.6;
}

/* Floating WhatsApp */
.floating-whatsapp {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
    z-index: 999;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    transition: var(--transition-fast);
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.4);
}

.notification-dot {
    position: absolute;
    top: 0;
    right: 0;
    width: 16px;
    height: 16px;
    background-color: var(--color-red-accent);
    border-radius: 50%;
    border: 2px solid white;
}

/* Mobile */
.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--color-blue-corporate);
    transition: all 0.3s ease-in-out;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .hamburger {
        display: block;
    }

    .nav-links {
        position: fixed;
        left: -100%;
        top: calc(var(--header-height) + 36px);
        /* 36px is approx top-bar height */
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        width: 100%;
        text-align: center;
        padding: 2rem 0;
        box-shadow: 0 10px 10px rgba(0, 0, 0, 0.05);
        transition: 0.3s;
    }

    .nav-links.active {
        left: 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .top-bar .container {
        flex-direction: column;
        gap: 0.25rem;
    }
}

/* Hero Section */
.hero-section {
    position: relative;
    padding-top: calc(var(--header-height) + 2rem);
    padding-bottom: 4rem;
    min-height: 85vh;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #f3f4f6 0%, #e0e7ff 100%);
}

.hero-grid-layout {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 2;
    /* max-width handled by grid */
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(30, 58, 138, 0.1);
    color: var(--color-blue-corporate);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(30, 58, 138, 0.2);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, var(--color-blue-corporate), var(--color-blue-dark));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-main);
    margin-bottom: 2.5rem;
    max-width: 600px;
    opacity: 0.9;
}

.hero-cta-group {
    display: flex;
    gap: 1rem;
}

/* Hero Visual (Right Side) */
/* Hero Visual (Right Side) & Carousel */
.hero-visual {
    position: relative;
    width: 100%;
    height: 650px;
    z-index: 1;
    border-radius: 30px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.hero-carousel {
    width: 100%;
    height: 100%;
    position: relative;
    border-radius: 30px;
    overflow: hidden;
}

.carousel-slide {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
    background-color: #e5e7eb;
    /* Fallback color */
}

.carousel-slide.active {
    opacity: 1;
}

/* Optional: Add a subtle zoom effect on active slide */
.carousel-slide.active {
    animation: zoomEffect 6s infinite alternate;
}

@keyframes zoomEffect {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.05);
    }
}



.carousel-indicators {
    position: absolute;
    bottom: 1.5rem;
    right: 2rem;
    display: flex;
    gap: 0.5rem;
    z-index: 2;
}

.carousel-indicators .dot {
    width: 10px;
    height: 10px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: 0.3s;
}

.carousel-indicators .dot.active {
    background-color: var(--color-blue-corporate);
    transform: scale(1.2);
}

@media (max-width: 992px) {
    .hero-grid-layout {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-visual {
        display: flex;
        height: 450px;
        margin-top: 2rem;
    }

    .hero-content {
        margin: 0 auto;
        max-width: 600px;
    }

    .hero-cta-group {
        justify-content: center;
    }
}

/* Product Grid System */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.product-card {
    position: relative;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-img-placeholder {
    height: 200px;
    background-color: var(--color-blue-light);
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-blue-corporate);
    font-weight: 600;
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.product-card .capacity {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.product-features {
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.product-features li {
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.color-options {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.color-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    cursor: pointer;
}

.dot-blue {
    background-color: #2563EB;
}

.dot-black {
    background-color: #1F2937;
}

.dot-green {
    background-color: #059669;
}

.dot-yellow {
    background-color: #FBBF24;
}

.card-actions {
    margin-top: auto;
    display: flex;
    gap: 1rem;
}

@media (max-width: 768px) {
    .grid-3 {
        grid-template-columns: 1fr;
    }
}

/* Responsive Grid Utilities (New) */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

/* Mobile Media Query Updates */
@media (max-width: 992px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {

    /* Global Container Padding */
    .container {
        padding: 0 1.25rem;
    }

    .section-padding {
        padding: 3rem 0;
    }

    /* Collapse Grids to Single Column */
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr !important;
        gap: 2rem;
    }

    /* Typography Scaling */
    h1,
    .hero-title {
        font-size: 2.25rem !important;
    }

    h2,
    .section-title {
        font-size: 1.75rem !important;
    }

    h3 {
        font-size: 1.5rem !important;
    }

    /* Hero Section Adjustments */
    .hero-section {
        padding-top: calc(var(--header-height) + 1rem);
        /* Reduced padding */
        min-height: auto;
        text-align: center;
    }

    .hero-grid-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-visual {
        height: 380px;
        order: -1;
        /* Show image first on mobile? Optional */
        margin-bottom: 2rem;
    }

    .hero-content {
        order: 1;
    }

    /* Glass Card Adjustments */
    .glass-card,
    .glass-panel {
        padding: 1.5rem !important;
        /* Reduced padding on cards */
    }

    /* Contact Page Specifics */
    .contact-info-grid {
        grid-template-columns: 1fr;
    }

    /* Footer Stack */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
    }

    .footer-col {
        align-items: center;
    }
}