/* ==========================================================================
   MARKANA FACTORY - MODERN DESIGN SYSTEM & STYLESHEET
   Color Palette:
     - #112D4E (Deep Navy Blue / Dark Mode Background / Dark Text)
     - #3F72AF (Vibrant Primary Blue / Accent / Buttons / Active states)
     - #DBE2EF (Soft Light Blue / Borders / Subtle Cards / Accents)
     - #F9F7F7 (Pure Light Soft Background / Surface White)
   Typography: 'IBM Plex Sans Arabic', 'Outfit', sans-serif
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Arabic:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* --- CSS Variables & Theming --- */
:root {
    --primary-navy: #112D4E;
    --primary-blue: #3F72AF;
    --accent-light-blue: #DBE2EF;
    --bg-light: #F9F7F7;

    /* Semantic light theme tokens */
    --bg-main: #F9F7F7;
    --bg-surface: #FFFFFF;
    --bg-surface-elevated: #FFFFFF;
    --bg-surface-subtle: #F0F4F8;
    --bg-glass: rgba(255, 255, 255, 0.75);
    --bg-glass-card: rgba(255, 255, 255, 0.65);
    --bg-glass-nav: rgba(249, 247, 247, 0.85);

    --border-color: rgba(63, 114, 175, 0.15);
    --border-light: rgba(219, 226, 239, 0.6);
    --border-glass: rgba(255, 255, 255, 0.6);
    --border-focus: #3F72AF;

    --text-primary: #112D4E;
    --text-secondary: #3F5268;
    --text-muted: #6B7D96;
    --text-inverse: #FFFFFF;

    --badge-bg: rgba(63, 114, 175, 0.12);
    --badge-text: #112D4E;

    --shadow-sm: 0 4px 12px rgba(17, 45, 78, 0.05);
    --shadow-md: 0 10px 30px rgba(17, 45, 78, 0.08);
    --shadow-lg: 0 20px 40px rgba(17, 45, 78, 0.12);
    --shadow-glass: 0 8px 32px 0 rgba(17, 45, 78, 0.07);
    --shadow-glow: 0 0 25px rgba(63, 114, 175, 0.35);

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);

    --font-main: 'IBM Plex Sans Arabic', 'Outfit', sans-serif;
    --font-heading: 'IBM Plex Sans Arabic', 'Outfit', sans-serif;

    --header-height: 90px;
}

/* --- Dark Theme Tokens --- */
[data-theme="dark"] {
    --bg-main: #0B192C;
    --bg-surface: #112D4E;
    --bg-surface-elevated: #193B64;
    --bg-surface-subtle: #153258;
    --bg-glass: rgba(17, 45, 78, 0.75);
    --bg-glass-card: rgba(25, 59, 100, 0.65);
    --bg-glass-nav: rgba(11, 25, 44, 0.88);

    --border-color: rgba(219, 226, 239, 0.15);
    --border-light: rgba(63, 114, 175, 0.25);
    --border-glass: rgba(219, 226, 239, 0.12);
    --border-focus: #5A8FCE;

    --text-primary: #F9F7F7;
    --text-secondary: #DBE2EF;
    --text-muted: #9BB0CF;
    --text-inverse: #112D4E;

    --badge-bg: rgba(63, 114, 175, 0.3);
    --badge-text: #DBE2EF;

    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.45);
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px rgba(63, 114, 175, 0.45);
}

/* --- Global Reset & Base Setup --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
    direction: rtl;
    /* Default Kurdish/Arabic */
    text-align: right;
}

/* LTR layout support when English is active */
body[dir="ltr"] {
    direction: ltr;
    text-align: left;
}

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

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

ul {
    list-style: none;
}

button,
input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    border: none;
    outline: none;
    background: none;
}

button {
    cursor: pointer;
}

/* --- Container & Layout Utilities --- */
.container {
    width: 100%;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.section {
    padding: 6rem 0;
    position: relative;
    z-index: 1;
}

.section-subtle {
    background-color: var(--bg-surface-subtle);
}

/* --- Section Headers --- */
.section-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 4rem auto;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1.2rem;
    border-radius: var(--radius-full);
    background: var(--badge-bg);
    color: var(--primary-blue);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
    border: 1px solid var(--border-light);
    backdrop-filter: blur(8px);
}

.section-title {
    font-size: 2.35rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.35;
    margin-bottom: 1.2rem;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* --- Buttons & Interactive Elements --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.85rem 1.85rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background: linear-gradient(135deg, #3F72AF 0%, #204C80 100%);
    color: #FFFFFF;
    box-shadow: 0 6px 20px rgba(63, 114, 175, 0.35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #4F86C6 0%, #295D9A 100%);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(63, 114, 175, 0.5);
    color: #FFFFFF;
}

.btn-secondary {
    background: var(--bg-glass-card);
    color: var(--text-primary);
    border: 1.5px solid var(--border-light);
    backdrop-filter: blur(12px);
}

.btn-secondary:hover {
    background: var(--bg-surface-elevated);
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: #FFFFFF;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.45);
    color: #FFFFFF;
}

.btn-sm {
    padding: 0.5rem 1.1rem;
    font-size: 0.88rem;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 1.1rem 2.4rem;
    font-size: 1.12rem;
    border-radius: var(--radius-md);
}

/* Ripple effect */
.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    z-index: -1;
}

.btn:active::after {
    width: 300px;
    height: 300px;
}

/* --- Glassmorphic Card Mixin --- */
.glass-card {
    background: var(--bg-glass-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-glass);
    transition: all var(--transition-base);
}

.glass-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(63, 114, 175, 0.35);
}

/* ==========================================================================
   NAVIGATION BAR (STICKY & GLASSMORPHISM)
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--bg-glass-nav);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    height: 76px;
    box-shadow: var(--shadow-md);
    background: var(--bg-glass-nav);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--text-primary);
}

.nav-logo-img {
    height: 58px;
    width: auto;
    max-width: 85px;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(63, 114, 175, 0.25));
    transition: all var(--transition-base);
}

.navbar.scrolled .nav-logo-img {
    height: 48px;
    width: auto;
    max-width: 72px;
}

.nav-brand-title {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}

.brand-main {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.2px;
}

.brand-sub {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--primary-blue);
    letter-spacing: 0.8px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.8rem;
}

.nav-link {
    font-size: 0.96rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.4rem 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2.5px;
    background: var(--primary-blue);
    border-radius: var(--radius-full);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

/* Theme Switcher Button */
.theme-btn,
.lang-btn {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    transition: all var(--transition-fast);
}

.theme-btn:hover,
.lang-btn:hover {
    background: var(--bg-surface-elevated);
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    transform: scale(1.05);
}

/* Language Dropdown */
.lang-dropdown-wrapper {
    position: relative;
}

.lang-dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 0.4rem;
    min-width: 120px;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
    z-index: 100;
}

body[dir="ltr"] .lang-dropdown-menu {
    right: auto;
    left: 0;
}

.lang-dropdown-wrapper.active .lang-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 0.85rem;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
    transition: all var(--transition-fast);
}

.lang-option:hover,
.lang-option.active {
    background: var(--badge-bg);
    color: var(--primary-blue);
    font-weight: 700;
}

/* Mobile Hamburger Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 8px;
    border-radius: var(--radius-md);
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-color);
}

.mobile-toggle span {
    display: block;
    height: 2.5px;
    width: 100%;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.mobile-toggle.active span:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}

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

.mobile-toggle.active span:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-drawer {
    position: fixed;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    width: 300px;
    background: var(--bg-surface-elevated);
    border-left: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transform: translateX(100%);
    transition: transform var(--transition-smooth);
    z-index: 999;
}

body[dir="ltr"] .mobile-drawer {
    right: auto;
    left: 0;
    border-left: none;
    border-right: 1px solid var(--border-color);
    transform: translateX(-100%);
}

.mobile-drawer.open {
    transform: translateX(0);
}

.mobile-drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 998;
}

.mobile-drawer-overlay.open {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-nav-link {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-light);
}

.mobile-nav-link.active {
    color: var(--primary-blue);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    padding-top: calc(var(--header-height) + 4rem);
    padding-bottom: 5rem;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at 80% 20%, rgba(63, 114, 175, 0.12) 0%, transparent 60%),
        radial-gradient(circle at 20% 80%, rgba(219, 226, 239, 0.25) 0%, transparent 50%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    align-items: center;
    gap: 2.5rem;
    margin-bottom: 4.5rem;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero-badge {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: var(--badge-bg);
    color: var(--primary-blue);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    font-size: 0.92rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    animation: pulseGlow 3s infinite;
}

@keyframes pulseGlow {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(63, 114, 175, 0.2);
    }

    50% {
        box-shadow: 0 0 0 10px rgba(63, 114, 175, 0);
    }
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.25;
    color: var(--text-primary);
}

.hero-title .highlight {
    background: linear-gradient(135deg, #3F72AF 0%, #112D4E 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

[data-theme="dark"] .hero-title .highlight {
    background: linear-gradient(135deg, #7FAFE7 0%, #DBE2EF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-title .subtitle-line {
    display: block;
    font-size: 2.1rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-top: 0.35rem;
}

.hero-desc {
    font-size: 1.08rem;
    color: var(--text-secondary);
    line-height: 1.85;
    text-align: justify;
    background: var(--bg-glass-card);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    backdrop-filter: blur(12px);
}

.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.2rem;
    margin-top: 0.5rem;
}

/* Floating 3D Hero Tank Visual */
.hero-visual-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-tank-container {
    position: relative;
    width: 100%;
    max-width: 540px;
    z-index: 2;
}

.hero-tank-image {
    width: 100%;
    height: auto;
    max-height: 580px;
    object-fit: contain;
    filter: drop-shadow(0 25px 45px rgba(17, 45, 78, 0.25));
    animation: floatAnimation 6s ease-in-out infinite;
    transform-origin: center center;
}

@keyframes floatAnimation {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-16px) rotate(1.5deg);
    }
}

.hero-glow-backdrop {
    position: absolute;
    width: 560px;
    height: 560px;
    background: radial-gradient(circle, rgba(63, 114, 175, 0.5) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    filter: blur(60px);
    z-index: 1;
    pointer-events: none;
}

.floating-quality-badge {
    position: absolute;
    bottom: -20px;
    right: -15px;
    background: var(--bg-surface-elevated);
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-md);
    border: 1.5px solid var(--primary-blue);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--primary-navy);
    z-index: 3;
    animation: floatReverse 5s ease-in-out infinite;
}

body[dir="ltr"] .floating-quality-badge {
    right: auto;
    left: -15px;
}

[data-theme="dark"] .floating-quality-badge {
    color: #FFFFFF;
}

@keyframes floatReverse {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(12px);
    }
}

.floating-badge-icon {
    font-size: 1.6rem;
    color: var(--primary-blue);
}

/* ==========================================================================
   STATISTICS & LIVE NUMBER COUNTERS
   ========================================================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.stat-card {
    background: var(--bg-glass-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 1.8rem 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-glass);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3F72AF, #DBE2EF);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(63, 114, 175, 0.4);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 1rem auto;
    border-radius: 50%;
    background: var(--badge-bg);
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon svg {
    width: 28px;
    height: 28px;
}

.stat-number-wrapper {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-navy);
    line-height: 1;
    font-family: 'Outfit', 'IBM Plex Sans Arabic', sans-serif;
}

[data-theme="dark"] .stat-number {
    color: #FFFFFF;
}

.stat-suffix {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ==========================================================================
   PRODUCTS SECTION & INTERACTIVE SLIDER
   ========================================================================== */
.products-filter-bar {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.6rem 1.4rem;
    border-radius: var(--radius-full);
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-blue);
    color: #FFFFFF;
    border-color: var(--primary-blue);
    box-shadow: 0 4px 15px rgba(63, 114, 175, 0.35);
}

/* Carousel Container */
.carousel-wrapper {
    position: relative;
    margin: 0 auto;
    overflow: hidden;
    padding: 1rem 0.5rem 2rem 0.5rem;
}

.carousel-track {
    display: flex;
    transition: transform var(--transition-smooth);
    gap: 2rem;
}

.product-slide {
    flex: 0 0 calc(33.333% - 1.34rem);
    min-width: 320px;
    box-sizing: border-box;
}

.product-card {
    background: var(--bg-surface-elevated);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: all var(--transition-base);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.product-image-box {
    position: relative;
    background: radial-gradient(circle, var(--bg-surface-subtle) 0%, var(--bg-surface) 100%);
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 280px;
    overflow: hidden;
    cursor: pointer;
}

.product-image-box::after {
    content: '\f00e';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    inset: 0;
    background: rgba(17, 45, 78, 0.4);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    color: #FFFFFF;
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
    z-index: 5;
}

.product-image-box:hover::after {
    opacity: 1;
}

.product-img {
    max-height: 220px;
    width: auto;
    object-fit: contain;
    transition: transform var(--transition-smooth);
}

.product-card:hover .product-img {
    transform: scale(1.08) rotate(-1.5deg);
}

.product-badge-layer {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(17, 45, 78, 0.85);
    color: #FFFFFF;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-full);
    backdrop-filter: blur(8px);
}

body[dir="ltr"] .product-badge-layer {
    right: auto;
    left: 1rem;
}

.product-body {
    padding: 1.8rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.35;
}

.product-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    text-align: justify;
    text-justify: inter-word;
}

.product-specs {
    background: var(--bg-surface-subtle);
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    font-size: 0.88rem;
    border: 1px solid var(--border-light);
}

.spec-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.spec-key {
    color: var(--text-muted);
    font-weight: 500;
}

.spec-val {
    color: var(--text-primary);
    font-weight: 600;
}

.product-actions {
    margin-top: auto;
}

/* Slider Controls */
.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.carousel-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-surface-elevated);
    border: 1.5px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.carousel-btn:hover {
    background: var(--primary-blue);
    color: #FFFFFF;
    border-color: var(--primary-blue);
    transform: scale(1.1);
}

.carousel-dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: var(--border-color);
    transition: all var(--transition-base);
    cursor: pointer;
}

.dot.active {
    width: 32px;
    background: var(--primary-blue);
}

/* ==========================================================================
   QUALITY & STANDARDS SECTION (Seamless Infographic Showcase)
   ========================================================================== */
.quality-section {
    position: relative;
    overflow: hidden;
}

.quality-showcase-wrapper {
    position: relative;
    max-width: 980px;
    margin: 1.5rem auto 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.quality-showcase-wrapper::before {
    content: '';
    position: absolute;
    width: 80%;
    height: 80%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(63, 114, 175, 0.16) 0%, rgba(63, 114, 175, 0.04) 55%, transparent 75%);
    filter: blur(45px);
    z-index: 0;
    pointer-events: none;
}

.quality-main-img {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 920px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 15px 35px rgba(17, 45, 78, 0.12));
    transition: transform var(--transition-smooth), filter var(--transition-smooth);
    border-radius: var(--radius-lg);
}

.quality-main-img:hover {
    transform: translateY(-6px) scale(1.015);
    filter: drop-shadow(0 22px 45px rgba(63, 114, 175, 0.25));
}

/* --- Quality Layers Grid & Cards --- */
.quality-layers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 3.5rem;
    position: relative;
    z-index: 2;
}

.quality-layer-card {
    position: relative;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.85rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.95rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-smooth);
    overflow: hidden;
}

.quality-layer-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-light-blue));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.quality-layer-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg), 0 0 25px rgba(63, 114, 175, 0.16);
}

.quality-layer-card:hover::before {
    opacity: 1;
}

.layer-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.layer-card-badge {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-blue) 100%);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 800;
    box-shadow: 0 6px 16px rgba(63, 114, 175, 0.3);
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.quality-layer-card:hover .layer-card-badge {
    transform: scale(1.08) rotate(-4deg);
}

.layer-card-pill {
    font-size: 0.76rem;
    font-weight: 600;
    padding: 0.32rem 0.75rem;
    border-radius: var(--radius-full);
    background: var(--badge-bg);
    color: var(--primary-blue);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border: 1px solid rgba(63, 114, 175, 0.18);
}

.layer-card-pill i {
    color: #10B981;
    font-size: 0.82rem;
}

[data-theme="dark"] .layer-card-pill {
    color: #9BB0CF;
    border-color: rgba(63, 114, 175, 0.3);
}

[data-theme="dark"] .layer-card-pill i {
    color: #34D399;
}

.layer-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.4;
}

.layer-card-desc {
    font-size: 0.92rem;
    line-height: 1.75;
    color: var(--text-secondary);
    margin: 0;
    flex-grow: 1;
}

/* ==========================================================================
   GUIDELINES SECTION (Modern 2-Column DOs & DONTs Layout)
   ========================================================================== */
.guidelines-layout {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2.5rem;
    align-items: center;
}

.guidelines-list {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.guide-item-card {
    background: var(--bg-surface-elevated);
    border-radius: var(--radius-md);
    border: 1.5px solid var(--border-color);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    border-inline-start: 4px solid var(--primary-blue);
}

.guide-item-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-md);
    background: var(--bg-surface);
}

.guide-item-number {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: var(--badge-bg);
    color: var(--primary-blue);
    font-size: 1.25rem;
    font-weight: 800;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 0 0 1px rgba(63, 114, 175, 0.15);
    transition: all var(--transition-base);
}

.guide-item-card:hover .guide-item-number {
    background: var(--primary-blue);
    color: #ffffff;
    transform: scale(1.08);
}

.guide-item-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.guide-item-badge {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary-blue);
    letter-spacing: 0.5px;
}

.guide-item-text {
    font-size: 0.98rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.7;
    margin: 0;
}

.guidelines-media {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.guide-image-wrapper {
    background: var(--bg-surface-elevated);
    border-radius: var(--radius-xl);
    border: 1.5px solid var(--border-color);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: all var(--transition-base);
    width: 100%;
    height: 100%;
}

.guide-image-wrapper:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.guide-main-img {
    max-width: 100%;
    max-height: 600px;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-md);
    transition: transform var(--transition-smooth);
}

.guide-image-wrapper:hover .guide-main-img {
    transform: scale(1.02);
}

/* ==========================================================================
   MISSION SECTION (4 MODERN GLASS CARDS)
   ========================================================================== */
.mission-section {
    background: radial-gradient(circle at 50% 50%, rgba(63, 114, 175, 0.1) 0%, transparent 70%);
}

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

.mission-card {
    background: var(--bg-glass-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1.5px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-glass);
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.mission-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: linear-gradient(180deg, #3F72AF 0%, #112D4E 100%);
    opacity: 0.8;
}

body[dir="rtl"] .mission-card::after {
    left: auto;
    right: 0;
}

.mission-card:hover {
    transform: translateY(-6px);
    border-color: rgba(63, 114, 175, 0.5);
    box-shadow: var(--shadow-lg);
}

.mission-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mission-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--badge-bg);
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.mission-card-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.mission-card-text {
    font-size: 1.02rem;
    color: var(--text-secondary);
    line-height: 1.85;
    text-align: justify;
}

/* ==========================================================================
   CERTIFICATES SECTION & LIGHTBOX MODAL
   ========================================================================== */
.certs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    width: 100%;
}

.cert-card {
    background: var(--bg-surface-elevated);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-width: 0;
    width: 100%;
}

.cert-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
}

.cert-image-frame {
    position: relative;
    background: var(--bg-surface-subtle);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    height: 250px;
}

.cert-img {
    max-height: 100%;
    max-width: 100%;
    width: auto;
    object-fit: contain;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition-smooth);
}

.cert-card:hover .cert-img {
    transform: scale(1.04);
}

.cert-zoom-overlay {
    position: absolute;
    inset: 0;
    background: rgba(17, 45, 78, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: #FFFFFF;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.cert-card:hover .cert-zoom-overlay {
    opacity: 1;
}

.cert-zoom-icon {
    font-size: 1.8rem;
}

.cert-zoom-text {
    font-size: 0.85rem;
    font-weight: 600;
}

.cert-body {
    padding: 1.8rem 1.6rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex: 1;
}

.cert-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.cert-badge {
    align-self: flex-start;
    display: inline-flex;
    flex-direction: column;
    padding: 0.45rem 0.85rem;
    background: var(--badge-bg);
    color: var(--primary-blue);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 700;
    line-height: 1.35;
    border: 1px solid rgba(63, 114, 175, 0.15);
}

.cert-badge .sub-lang {
    font-size: 0.72rem;
    font-weight: 500;
    opacity: 0.9;
    margin-top: 2px;
    letter-spacing: 0.02em;
}

.cert-description {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.75;
    text-align: justify;
    text-justify: inter-word;
}

/* Lightbox Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(11, 25, 44, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 2000;
}

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

.modal-content-box {
    position: relative;
    max-width: 800px;
    max-height: 90vh;
    background: var(--bg-surface-elevated);
    border-radius: var(--radius-lg);
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    transform: scale(0.9);
    transition: transform var(--transition-smooth);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.modal-overlay.active .modal-content-box {
    transform: scale(1);
}

.modal-img {
    max-height: 75vh;
    max-width: 100%;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.modal-close-btn {
    position: absolute;
    top: -16px;
    right: -16px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary-blue);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition-fast);
}

.modal-close-btn:hover {
    transform: scale(1.15) rotate(90deg);
}

/* ==========================================================================
   CONTACT & ORDER SECTION
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
    align-items: flex-start;
}

.contact-form-container {
    background: var(--bg-glass-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-glass);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 0.85rem 1.15rem;
    background: var(--bg-surface-elevated);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.96rem;
    transition: all var(--transition-fast);
}

.form-control:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 4px rgba(63, 114, 175, 0.15);
    background: var(--bg-surface);
}

textarea.form-control {
    height: 120px;
    min-height: 120px;
    max-height: 120px;
    resize: none;
    overflow-y: auto;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233F72AF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: left 1rem center;
    background-size: 1.2em;
    padding-left: 2.5rem;
}

body[dir="ltr"] select.form-control {
    background-position: right 1rem center;
    padding-left: 1.15rem;
    padding-right: 2.5rem;
}

.form-feedback {
    padding: 1rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    display: none;
}

.form-feedback.success {
    display: block;
    background: rgba(37, 211, 102, 0.15);
    color: #128C7E;
    border: 1px solid rgba(37, 211, 102, 0.3);
}

.form-feedback.error {
    display: block;
    background: rgba(239, 68, 68, 0.15);
    color: #DC2626;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Contact Info Cards Side */
.contact-info-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    transition: all var(--transition-fast);
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-blue);
}

.info-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--badge-bg);
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.info-details {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.info-label {
    font-size: 0.88rem;
    color: var(--text-muted);
    font-weight: 500;
}

.info-value {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.info-links-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.phone-link {
    color: var(--primary-blue);
    font-weight: 600;
    direction: ltr;
    display: inline-block;
}

.phone-link:hover {
    text-decoration: underline;
}

/* Map Card */
.map-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    height: 300px;
}

.map-card iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
.footer {
    background: var(--primary-navy);
    color: #F9F7F7;
    padding-top: 5rem;
    padding-bottom: 2rem;
    position: relative;
    border-top: 1px solid rgba(219, 226, 239, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.footer-logo-row {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-logo-img {
    height: 58px;
    width: auto;
    max-width: 90px;
    object-fit: contain;
    background: #FFFFFF;
    border-radius: var(--radius-md);
    padding: 6px 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.footer-brand-name {
    font-size: 1.6rem;
    font-weight: 800;
    color: #FFFFFF;
}

.footer-desc {
    font-size: 0.95rem;
    color: #DBE2EF;
    line-height: 1.7;
}

.footer-heading {
    font-size: 1.15rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 1.25rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 36px;
    height: 2.5px;
    background: var(--primary-blue);
    border-radius: var(--radius-full);
}

body[dir="rtl"] .footer-heading::after {
    left: auto;
    right: 0;
}

.footer-links-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-link {
    color: #DBE2EF;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-link:hover {
    color: #FFFFFF;
    transform: translateX(-4px);
}

body[dir="ltr"] .footer-link:hover {
    transform: translateX(4px);
}

.social-links-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
}

.social-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all var(--transition-fast);
}

.social-btn:hover {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    transform: translateY(-4px);
    box-shadow: 0 6px 15px rgba(63, 114, 175, 0.4);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.9rem;
    color: #DBE2EF;
}

.footer-bottom .dev-link {
    color: #DBE2EF;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.footer-bottom .dev-link:hover {
    color: #FFFFFF;
    text-decoration: none;
    text-shadow: 0 0 10px rgba(63, 114, 175, 0.6);
}

.footer-dev-icon {
    color: var(--primary-blue, #3F72AF);
    margin-inline-end: 6px;
    font-size: 1rem;
    vertical-align: middle;
    transition: transform var(--transition-fast);
}

.footer-bottom p:hover .footer-dev-icon {
    transform: translateY(-2px) scale(1.1);
}

/* Floating Back-to-Top Button */
.back-to-top-btn {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-blue);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    box-shadow: 0 6px 20px rgba(63, 114, 175, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 900;
}

body[dir="ltr"] .back-to-top-btn {
    left: auto;
    right: 30px;
}

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

.back-to-top-btn:hover {
    background: #204C80;
    transform: translateY(-4px) scale(1.08);
}

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.revealed,
.reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

/* Delay helpers */
.delay-100 {
    transition-delay: 0.1s;
}

.delay-200 {
    transition-delay: 0.2s;
}

.delay-300 {
    transition-delay: 0.3s;
}

.delay-400 {
    transition-delay: 0.4s;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
    .nav-menu {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-badge {
        align-self: center;
    }

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

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

    .hero-section {
        padding-top: calc(var(--header-height) + 3rem);
    }

    .hero-visual-wrapper {
        order: -1;
        margin-top: 1.75rem;
        margin-bottom: 1.5rem;
    }

    .hero-tank-container {
        max-width: 380px;
    }

    .hero-tank-image {
        max-height: 380px;
    }

    .hero-glow-backdrop {
        width: 380px;
        height: 380px;
    }

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

    .quality-layers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
        margin-top: 2.75rem;
    }

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

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

    .certs-grid {
        grid-template-columns: 1fr;
        gap: 2.2rem;
        max-width: 650px;
        margin: 0 auto;
    }

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

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

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

    .product-slide {
        flex: 0 0 calc(50% - 1rem);
        min-width: 260px;
    }
}

@media (max-width: 640px) {
    .section {
        padding: 4rem 0;
    }

    .nav-logo-img {
        height: 44px;
        width: auto;
        max-width: 68px;
    }

    .brand-main {
        font-size: 1.18rem;
    }

    .brand-sub {
        font-size: 0.7rem;
    }

    .hero-section {
        padding-top: calc(var(--header-height) + 2rem);
    }

    .hero-visual-wrapper {
        margin-top: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-title .subtitle-line {
        font-size: 1.5rem;
    }

    .hero-tank-container {
        max-width: 270px;
    }

    .hero-tank-image {
        max-height: 280px;
    }

    .hero-glow-backdrop {
        width: 260px;
        height: 260px;
    }

    .floating-quality-badge {
        padding: 0.6rem 0.95rem;
        font-size: 0.82rem;
        bottom: -10px;
        right: -5px;
    }

    body[dir="ltr"] .floating-quality-badge {
        left: -5px;
        right: auto;
    }

    .section-title {
        font-size: 1.8rem;
    }

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

    .quality-layers-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
        margin-top: 2.25rem;
    }

    .certs-grid {
        max-width: 100%;
        gap: 1.6rem;
    }

    .product-slide {
        flex: 0 0 100%;
        min-width: 100%;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* ==========================================================================
   TOAST ALERT NOTIFICATION
   ========================================================================== */
.toast-alert {
    position: fixed;
    top: 25px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: #112D4E;
    color: #FFFFFF;
    border: 1.5px solid rgba(37, 211, 102, 0.6);
    border-radius: var(--radius-lg);
    padding: 1.1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.15rem;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.4), 0 0 30px rgba(37, 211, 102, 0.25);
    z-index: 99999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    max-width: 500px;
    width: calc(100% - 2rem);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.toast-alert.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.toast-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 0 15px rgba(37, 211, 102, 0.3);
}

.toast-icon {
    font-size: 1.7rem;
    color: #25D366;
}

.toast-text-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.toast-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #FFFFFF;
    margin: 0;
}

.toast-message {
    font-size: 0.9rem;
    color: #DBE2EF;
    margin: 0;
    line-height: 1.45;
}

.toast-close {
    background: none;
    border: none;
    color: #9BB0CF;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-inline-start: 0.5rem;
}

.toast-close:hover {
    color: #FFFFFF;
    background: rgba(255, 255, 255, 0.12);
}