/* ========== COCONano Website Styles ========== */

/* ----- CSS Variables ----- */
:root {
    /* Colors */
    --primary-color: #1D7CC1;
    --primary-dark: #155A8A;
    --primary-light: #4A9DD4;
    --secondary-color: #B81C22;
    --secondary-dark: #8B1519;
    --text-dark: #182A37;
    --text-gray: #4A5C72;
    --text-light: #6B7C8D;
    --bg-light: #F5F7FA;
    --bg-white: #FFFFFF;
    --border-color: #E1E8EF;
    
    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Spacing */
    --section-padding: 80px 0;
    --container-width: 1200px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-dark);
}

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

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

ul {
    list-style: none;
}

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

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

.section {
    padding: var(--section-padding);
}

.section-gray {
    background-color: var(--bg-light);
}

/* ----- Buttons ----- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 500;
    border-radius: 6px;
    transition: var(--transition-normal);
    text-align: center;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    box-shadow: 0 4px 12px rgba(29, 124, 193, 0.4);
}

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

.btn-secondary:hover {
    background-color: var(--secondary-dark);
}

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

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

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

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

.btn-lg {
    padding: 15px 35px;
    font-size: 16px;
}

.btn i {
    margin-right: 8px;
}

/* ----- Header ----- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: white;
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    height: 45px;
    width: auto;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-list {
    display: flex;
    gap: 35px;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    padding: 5px 0;
}

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

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

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Language Selector */
.language-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    background: white;
}

.lang-flag {
    width: 20px;
    height: auto;
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-normal);
}

.language-selector:hover .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-item {
    display: block;
    padding: 10px 15px;
    font-size: 14px;
    color: var(--text-dark);
}

.lang-item:hover,
.lang-item.active {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

/* Search */
.search-btn {
    font-size: 18px;
    color: var(--text-dark);
    padding: 8px;
}

.search-btn:hover {
    color: var(--primary-color);
}

.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-box {
    display: flex;
    max-width: 600px;
    width: 90%;
    background: white;
    border-radius: 8px;
    overflow: hidden;
}

.search-input {
    flex: 1;
    padding: 15px 20px;
    font-size: 16px;
    border: none;
    outline: none;
}

.search-submit {
    padding: 15px 25px;
    background: var(--primary-color);
    color: white;
    font-size: 18px;
}

.search-close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 30px;
    color: white;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition-normal);
}

/* ----- Mobile Menu ----- */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: white;
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    transition: var(--transition-normal);
    overflow-y: auto;
}

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

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.mobile-logo {
    height: 40px;
}

.mobile-menu-close {
    font-size: 24px;
    color: var(--text-dark);
}

.mobile-nav-list {
    padding: 20px 0;
}

.mobile-nav-link {
    display: block;
    padding: 12px 20px;
    font-size: 16px;
    color: var(--text-dark);
    border-left: 3px solid transparent;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background: var(--bg-light);
    border-left-color: var(--primary-color);
    color: var(--primary-color);
}

.mobile-contact {
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

.mobile-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    color: var(--text-gray);
}

.mobile-contact-item i {
    color: var(--primary-color);
}

/* ----- Hero Section ----- */
.hero {
    position: relative;
    height: 650px;
    overflow: hidden;
    margin-top: 80px;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transition: opacity 1s ease;
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(24, 42, 55, 0.9) 0%, rgba(29, 124, 193, 0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    color: white;
    max-width: 800px;
    padding-top: 100px;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 35px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Slider Controls */
.slider-prev,
.slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.2);
    color: white;
    border-radius: 50%;
    font-size: 20px;
    z-index: 10;
    transition: var(--transition-normal);
}

.slider-prev:hover,
.slider-next:hover {
    background: rgba(255,255,255,0.3);
}

.slider-prev {
    left: 30px;
}

.slider-next {
    right: 30px;
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: var(--transition-normal);
}

.slider-dot.active {
    background: white;
    width: 30px;
    border-radius: 6px;
}

/* ----- Features Bar ----- */
.features-bar {
    background: var(--primary-color);
    padding: 30px 0;
    margin-top: -5px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    color: white;
}

.feature-item i {
    font-size: 32px;
    opacity: 0.9;
}

.feature-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 3px;
    color: white;
}

.feature-item p {
    font-size: 14px;
    opacity: 0.9;
}

/* ----- Section Header ----- */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 36px;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
}

/* ----- Products Section ----- */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.product-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.product-image {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: var(--bg-light);
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.product-card:hover .product-img {
    transform: scale(1.1);
}

.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--secondary-color);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.product-info {
    padding: 20px;
}

.product-title {
    font-size: 18px;
    margin-bottom: 10px;
}

.product-desc {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 15px;
}

.product-features {
    margin-bottom: 20px;
}

.product-features li {
    font-size: 13px;
    color: var(--text-gray);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.product-features i {
    color: var(--primary-color);
    font-size: 12px;
}

.product-actions {
    display: flex;
    gap: 10px;
}

.product-actions .btn {
    flex: 1;
    padding: 10px 15px;
    font-size: 14px;
}

.section-footer {
    text-align: center;
    margin-top: 50px;
}

/* ----- Why Section ----- */
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.why-card {
    background: white;
    padding: 35px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.why-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.why-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.why-icon i {
    font-size: 32px;
    color: var(--primary-color);
}

.why-title {
    font-size: 20px;
    margin-bottom: 12px;
}

.why-desc {
    font-size: 15px;
    color: var(--text-light);
}

/* ----- About Section ----- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-images {
    position: relative;
}

.about-img-main {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-img-sub {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 200px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 5px solid white;
}

.about-img {
    width: 100%;
    height: auto;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 25px;
}

.about-text {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 35px 0;
}

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

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-suffix {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    display: block;
    font-size: 14px;
    color: var(--text-light);
    margin-top: 5px;
}

/* ----- Applications Section ----- */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.application-card {
    position: relative;
    height: 350px;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
}

.application-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.application-card:hover .application-img {
    transform: scale(1.1);
}

.application-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(24, 42, 55, 0.9) 0%, rgba(24, 42, 55, 0.4) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    color: white;
}

.application-overlay h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: white;
}

.application-overlay p {
    font-size: 15px;
    margin-bottom: 20px;
    opacity: 0.9;
}

/* ----- CTA Section ----- */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 80px 0;
}

.cta-content {
    text-align: center;
    color: white;
}

.cta-title {
    font-size: 36px;
    margin-bottom: 15px;
    color: white;
}

.cta-subtitle {
    font-size: 18px;
    margin-bottom: 35px;
    opacity: 0.95;
}

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

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

.btn-whatsapp:hover {
    background: #1EBE57;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
}

/* ----- Footer ----- */
.footer {
    background: var(--text-dark);
    color: white;
}

.footer-top {
    padding: 60px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
}

.footer-logo {
    height: 50px;
    margin-bottom: 20px;
}

.footer-desc {
    font-size: 15px;
    line-height: 1.8;
    opacity: 0.8;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    transition: var(--transition-normal);
}

.social-link:hover {
    background: var(--primary-color);
}

.footer-title {
    font-size: 18px;
    margin-bottom: 20px;
    color: white;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 15px;
    opacity: 0.8;
}

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

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
    opacity: 0.8;
}

.footer-contact i {
    color: var(--primary-color);
    margin-top: 3px;
}

.footer-contact a {
    transition: var(--transition-normal);
}

.footer-contact a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 25px 0;
}

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

.copyright {
    font-size: 14px;
    opacity: 0.7;
}

.footer-bottom-links {
    display: flex;
    gap: 25px;
}

.footer-bottom-links a {
    font-size: 14px;
    opacity: 0.7;
}

.footer-bottom-links a:hover {
    opacity: 1;
}

/* ----- WhatsApp Float ----- */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition-normal);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.5);
}

/* ----- Back to Top ----- */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 998;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}