/* ================================================================
   ALPORA THEME - MAIN STYLESHEET
   Clean, minimal black & white – inspired by Luxeva aesthetic
   ================================================================ */

/* ============================================================
   ROOT VARIABLES
============================================================ */
:root {
    /* Primary Palette - Black */
    --color-primary: #111111;
    --color-primary-hover: #333333;
    --color-primary-light: #E8E8E8;
    --color-primary-lighter: #F5F5F5;
    --color-primary-rgb: 17, 17, 17;

    /* Secondary Palette - Dark Gray */
    --color-secondary: #444444;
    --color-secondary-light: #D0D0D0;

    /* Accent - Medium Gray */
    --color-accent: #888888;
    --color-accent-light: #F0F0F0;

    /* Backgrounds */
    --color-bg: #FFFFFF;
    --color-bg-alt: #F5F5F5;
    --color-bg-card: #FFFFFF;
    --color-bg-warm: #FAFAFA;

    /* Text Colors */
    --color-text: #555555;
    --color-text-light: #888888;
    --color-text-heading: #111111;
    --color-text-muted: #AAAAAA;

    /* Borders */
    --color-border: #E5E5E5;
    --color-border-light: #F0F0F0;

    /* Shadows - Neutral */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 16px 60px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 30px rgba(0, 0, 0, 0.08);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #111111, #333333);
    --gradient-warm: linear-gradient(135deg, #F7F7F7, #EEEEEE);
    --gradient-card: linear-gradient(180deg, #FFFFFF, #FAFAFA);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --section-padding: 100px;
    --container-max: 1200px;

    /* Borders */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 50%;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   RESET & BASE
============================================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    color: var(--color-text-heading);
    font-weight: 700;
    line-height: 1.3;
}

::selection {
    background: var(--color-primary);
    color: #fff;
}

/* ============================================================
   CONTAINER & LAYOUT
============================================================ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    padding: 8px 24px;
    background: var(--color-bg-alt);
    color: var(--color-text);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: 50px;
    margin-bottom: 20px;
    border: 1px solid var(--color-border);
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    color: var(--color-text-heading);
    margin-bottom: 16px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 17px;
    color: var(--color-text-light);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ============================================================
   BUTTONS
============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn i {
    font-size: 14px;
    transition: var(--transition);
}

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

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

.btn-primary:hover i {
    transform: translateX(3px);
}

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

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

.btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border-color: #fff;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 38px;
    font-size: 16px;
}

/* ============================================================
   HEADER / NAVIGATION
============================================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-slow);
    background: transparent;
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}

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

.logo {
    display: flex;
    align-items: center;
    z-index: 101;
}

.logo-img {
    height: 42px;
    width: auto;
    transition: var(--transition);
}

/* Logo light/dark swap on scroll */
.logo-light {
    display: block !important;
}
.logo-dark {
    display: none !important;
}
.scrolled .logo-light {
    display: none !important;
}
.scrolled .logo-dark {
    display: block !important;
}

.scrolled .logo-img {
    height: 36px;
}

.logo-text {
    font-size: 26px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.5px;
    transition: var(--transition);
}

.scrolled .logo-text {
    color: var(--color-text-heading);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    padding: 8px 18px;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #fff;
}

.scrolled .nav-link {
    color: var(--color-text);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: var(--transition);
}

.scrolled .nav-link::after {
    background: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    backdrop-filter: blur(4px);
}

.scrolled .nav-phone {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.nav-phone:hover {
    background: rgba(255, 255, 255, 0.25);
    color: #fff;
    transform: translateY(-1px);
}

.scrolled .nav-phone:hover {
    background: var(--color-primary-hover);
    color: #fff;
}

.nav-phone i {
    font-size: 13px;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 101;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: var(--transition);
}

.scrolled .mobile-toggle span {
    background: var(--color-text-heading);
}

.mobile-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

.mobile-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   HERO SECTION - Full screen image hero like Luxeva
============================================================ */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg-image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

.hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.55) 0%,
        rgba(0, 0, 0, 0.45) 50%,
        rgba(0, 0, 0, 0.65) 100%
    );
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 3;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 800;
    color: #fff;
    margin-bottom: 24px;
    line-height: 1.15;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 18px);
    color: rgba(255, 255, 255, 0.8);
    max-width: 620px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    animation: bounce-scroll 2s infinite;
}

.mouse {
    width: 26px;
    height: 42px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 14px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s infinite;
}

@keyframes bounce-scroll {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

@keyframes scroll-wheel {
    0%, 100% { opacity: 1; top: 8px; }
    50% { opacity: 0.3; top: 20px; }
}

/* ============================================================
   FEATURES SECTION
============================================================ */
.features-section {
    padding: 0;
    position: relative;
    z-index: 10;
    margin-top: -60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}

.feature-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
}

.feature-card:first-child {
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.feature-card:last-child {
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.feature-card:hover {
    background: var(--color-bg-alt);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    z-index: 2;
    position: relative;
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    transition: var(--transition);
}

.feature-icon i {
    font-size: 22px;
    color: var(--color-primary);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--color-primary);
}

.feature-card:hover .feature-icon i {
    color: #fff;
}

.feature-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text-heading);
}

.feature-desc {
    font-size: 13px;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ============================================================
   ABOUT SECTION
============================================================ */
.about-section {
    padding: var(--section-padding) 0;
    background: var(--color-bg);
}

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

.about-content .section-badge {
    display: inline-block;
}

.about-content .section-title {
    text-align: left;
}

.about-text {
    margin-bottom: 24px;
}

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

.about-highlight {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 20px 24px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
    font-size: 15px;
    color: var(--color-text);
    line-height: 1.7;
}

.about-highlight i {
    color: var(--color-primary);
    font-size: 18px;
    margin-top: 3px;
    flex-shrink: 0;
}

.about-image-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-image {
    position: relative;
    width: 100%;
    max-width: 480px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.about-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    padding: 20px;
}

/* ============================================================
   PRODUCTS SECTION
============================================================ */
.products-section {
    padding: var(--section-padding) 0;
    background: var(--color-bg-alt);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    padding: 30px;
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 280px;
    border-bottom: 1px solid var(--color-border);
}

.product-image img {
    max-height: 240px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-info {
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-text-heading);
}

.product-features {
    margin-bottom: 24px;
    flex: 1;
}

.product-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.5;
    border-bottom: 1px solid var(--color-border-light);
}

.product-features li:last-child {
    border-bottom: none;
}

.product-features li i {
    color: var(--color-primary);
    font-size: 14px;
    margin-top: 3px;
    flex-shrink: 0;
}

.btn-product {
    align-self: flex-start;
    padding: 12px 28px;
}

/* ============================================================
   WHY US SECTION
============================================================ */
.whyus-section {
    padding: var(--section-padding) 0;
    background: var(--color-bg);
}

.whyus-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.whyus-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.whyus-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.whyus-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: var(--transition);
}

.whyus-icon i {
    font-size: 22px;
    color: var(--color-primary);
    transition: var(--transition);
}

.whyus-card:hover .whyus-icon {
    background: var(--color-primary);
}

.whyus-card:hover .whyus-icon i {
    color: #fff;
}

.whyus-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text-heading);
}

.whyus-desc {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.7;
}

.whyus-number {
    position: absolute;
    bottom: 12px;
    right: 16px;
    font-size: 48px;
    font-weight: 800;
    color: var(--color-primary);
    opacity: 0.04;
    line-height: 1;
}

/* ============================================================
   SERVICES SECTION
============================================================ */
.services-section {
    padding: var(--section-padding) 0;
    background: var(--color-bg-alt);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-icon-wrap {
    margin-bottom: 24px;
}

.service-icon {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-full);
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    transition: var(--transition);
}

.service-icon i {
    font-size: 28px;
    color: var(--color-primary);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--color-primary);
}

.service-card:hover .service-icon i {
    color: #fff;
}

.service-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--color-text-heading);
}

.service-desc {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ============================================================
   CTA SECTION - Dark image background like Luxeva
============================================================ */
.cta-section {
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.cta-bg-image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    z-index: 1;
}

.cta-section .container {
    position: relative;
    z-index: 2;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta-title {
    font-size: clamp(28px, 4vw, 42px);
    color: #fff;
    margin-bottom: 16px;
    font-weight: 800;
}

.cta-text {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.75);
    max-width: 560px;
    margin: 0 auto 36px;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ============================================================
   CONTACT SECTION
============================================================ */
.contact-section {
    padding: var(--section-padding) 0;
    background: var(--color-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-form-wrap {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-heading);
    margin-bottom: 8px;
}

.form-group label span {
    color: var(--color-primary);
}

.input-wrap {
    position: relative;
}

.input-wrap i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: 14px;
    transition: var(--transition);
    z-index: 1;
}

.textarea-wrap i {
    top: 18px;
    transform: none;
}

.input-wrap input,
.input-wrap textarea {
    width: 100%;
    padding: 14px 16px 14px 46px;
    background: var(--color-bg-alt);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 15px;
    color: var(--color-text-heading);
    transition: var(--transition);
    outline: none;
}

.input-wrap input::placeholder,
.input-wrap textarea::placeholder {
    color: var(--color-text-muted);
}

.input-wrap input:focus,
.input-wrap textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.05);
    background: var(--color-bg-card);
}

.input-wrap input:focus + i,
.input-wrap textarea:focus + i,
.input-wrap:has(input:focus) i,
.input-wrap:has(textarea:focus) i {
    color: var(--color-primary);
}

.input-wrap textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    justify-content: center;
    padding: 16px;
    font-size: 16px;
}

.btn-submit.loading span {
    opacity: 0.5;
}

.form-message {
    margin-top: 16px;
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    display: none;
}

.form-message.success {
    display: block;
    background: #F5F5F5;
    color: #333333;
    border: 1px solid #E0E0E0;
}

.form-message.error {
    display: block;
    background: #FFF5F5;
    color: #CC3333;
    border: 1px solid #F0D0D0;
}

/* Contact Info */
.contact-info-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-heading);
    margin-bottom: 24px;
    line-height: 1.5;
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.info-card:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.info-card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
}

.info-card:hover .info-card-icon {
    background: var(--color-primary);
}

.info-card-icon i {
    font-size: 20px;
    color: var(--color-primary);
    transition: var(--transition);
}

.info-card:hover .info-card-icon i {
    color: #fff;
}

.info-card-content h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.info-card-content a,
.info-card-content span {
    font-size: 16px;
    color: var(--color-text-heading);
    font-weight: 500;
}

.info-card-content a:hover {
    color: var(--color-primary);
}

/* ============================================================
   FOOTER
============================================================ */
.site-footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
}

.footer-main {
    padding: 60px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 50px;
}

.footer-logo {
    display: inline-block;
    margin-bottom: 16px;
}

.footer-logo img {
    height: 40px;
    width: auto;
}

.footer-logo-text {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-text-heading);
}

.footer-desc {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.social-link {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-full);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: transparent;
    transform: translateY(-3px);
}

.footer-heading {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text-heading);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links li a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-light);
    font-size: 15px;
    transition: var(--transition);
}

.footer-links li a:hover {
    color: var(--color-primary);
    padding-left: 4px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    font-size: 15px;
}

.footer-contact li i {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 14px;
    flex-shrink: 0;
}

.footer-contact li a,
.footer-contact li span {
    color: var(--color-text);
}

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

.footer-bottom {
    padding: 20px 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: var(--color-text-muted);
}

/* ============================================================
   WHATSAPP FLOAT BUTTON
============================================================ */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: #111111;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    z-index: 999;
    transition: var(--transition);
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    color: #fff;
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.3);
}

@keyframes whatsapp-pulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2); }
    50% { box-shadow: 0 4px 30px rgba(0, 0, 0, 0.35); }
}

/* ============================================================
   SCROLL TO TOP
============================================================ */
.scroll-top {
    position: fixed;
    bottom: 24px;
    right: 90px;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: transparent;
    transform: translateY(-3px);
}

/* ============================================================
   ANIMATIONS
============================================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ============================================================
   RESPONSIVE DESIGN
============================================================ */

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-card:first-child {
        border-radius: var(--radius-lg) 0 0 0;
    }

    .feature-card:nth-child(2) {
        border-radius: 0 var(--radius-lg) 0 0;
    }

    .feature-card:nth-child(3) {
        border-radius: 0 0 0 var(--radius-lg);
    }

    .feature-card:last-child {
        border-radius: 0 0 var(--radius-lg) 0;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-content .section-title {
        text-align: center;
    }

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

    .about-highlight {
        justify-content: center;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .whyus-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

/* Mobile */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 8px;
        z-index: 100;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links .nav-link {
        color: var(--color-text-heading);
        font-size: 20px;
        padding: 14px 32px;
    }

    .nav-links .nav-link::after {
        background: var(--color-primary);
    }

    .mobile-toggle {
        display: flex;
    }

    .nav-phone span {
        display: none;
    }

    .nav-phone {
        padding: 10px;
        border-radius: var(--radius-full);
    }

    .hero-title {
        font-size: clamp(30px, 8vw, 44px);
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .features-section {
        margin-top: -40px;
    }

    .features-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0;
    }

    .feature-card {
        padding: 20px 16px;
    }

    .feature-icon {
        width: 48px;
        height: 48px;
        margin-bottom: 12px;
    }

    .feature-icon i {
        font-size: 20px;
    }

    .feature-title {
        font-size: 14px;
    }

    .feature-desc {
        font-size: 12px;
    }

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

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

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form-wrap {
        padding: 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

    .footer-social {
        justify-content: center;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-card {
        border-radius: 0 !important;
    }

    .feature-card:first-child {
        border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
    }

    .feature-card:last-child {
        border-radius: 0 0 var(--radius-lg) var(--radius-lg) !important;
    }

    .hero-section {
        min-height: auto;
        padding: 160px 0 120px;
    }

    .section-title {
        font-size: 24px;
    }

    .container {
        padding: 0 16px;
    }
}

/* ============================================================
   PRODUCT TECH SHOWCASE (TABS LAYOUT)
============================================================ */
.product-tabs-wrapper {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.product-tab-btn {
    background: transparent;
    border: 2px solid var(--color-border);
    color: var(--color-text-body);
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
}

.product-tab-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.product-tab-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg-light);
}

.product-tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.product-tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.product-tech-showcase {
    position: relative;
    padding: 1rem 0;
}

.tech-main-header {
    text-align: center;
    margin-bottom: 4rem;
}

.tech-main-header h3 {
    font-size: 2.5rem;
    color: var(--color-text-heading);
    font-weight: 700;
}

.tech-layout {
    display: grid;
    grid-template-columns: 1fr 350px 1fr;
    gap: 3rem;
    align-items: center;
}

.tech-left, .tech-right {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.tech-left {
    text-align: right;
}

.tech-right {
    text-align: left;
}

.tech-feature {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.tech-left .tech-feature {
    align-items: flex-end;
}

.tech-right .tech-feature {
    align-items: flex-start;
}

.tech-feature-icon {
    font-size: 2.2rem;
    color: var(--color-text-heading);
    margin-bottom: 0.5rem;
}

.tech-feature-text h4 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
    font-family: var(--font-primary);
    font-weight: 700;
    color: var(--color-text-heading);
}

.tech-feature-text p {
    color: var(--color-text-body);
    font-size: 0.95rem;
    line-height: 1.6;
}

.tech-center {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.tech-center img {
    max-height: 550px;
    object-fit: contain;
    filter: drop-shadow(0 15px 30px rgba(0,0,0,0.1));
}

.tech-actions {
    text-align: center;
    margin-top: 3rem;
}

.tech-description {
    text-align: left;
    max-width: 900px;
    margin: 3rem auto 0;
    padding-top: 3rem;
    border-top: 1px solid var(--color-border);
}

.product-text-content h1, .product-text-content h2, .product-text-content h3 {
    color: var(--color-text-heading);
    margin-bottom: 1rem;
}

.product-text-content p {
    color: var(--color-text-body);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

/* Gallery Slider */
.tech-gallery-slider {
    position: relative;
    width: 100%;
    max-width: 450px;
    overflow: hidden;
    border-radius: 10px;
}

.tech-gallery-track {
    display: flex;
    transition: transform 0.4s ease-out;
}

.tech-gallery-slide {
    min-width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.tech-gallery-slide img {
    width: 100%;
    max-height: 550px;
    object-fit: contain;
    filter: drop-shadow(0 15px 30px rgba(0,0,0,0.1));
}

.tech-gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.8);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-text-heading);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: var(--transition);
    z-index: 2;
}

.tech-gallery-nav:hover {
    background: var(--color-primary);
    color: #fff;
}

.tech-gallery-nav.prev {
    left: 10px;
}

.tech-gallery-nav.next {
    right: 10px;
}

@media (max-width: 992px) {
    .tech-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .tech-center {
        order: -1;
    }
    .tech-left, .tech-right {
        text-align: center;
    }
    .tech-left .tech-feature, .tech-right .tech-feature {
        align-items: center;
    }
    .tech-main-header h3 {
        font-size: 2rem;
    }
    .tech-center img {
        max-height: 400px;
    }
}

/* ============================================================
   UTILITY CLASSES
============================================================ */
.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}