/* Reset & Base Variables */
:root {
    /* New Unique Color Palette - Industrial Blue & Dark Charcoal */
    --primary: #0284c7;
    /* Electric Blue */
    --primary-hover: #0369a1;
    --dark-bg: #0f172a;
    /* Slate 900 */
    --darker-bg: #020617;
    /* Slate 950 */
    --light-bg: #f8fafc;
    /* Slate 50 */
    --text-main: #334155;
    /* Slate 700 */
    --text-muted: #64748b;
    /* Slate 500 */
    --white: #ffffff;
    --border-color: #e2e8f0;

    /* Fonts */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    /* Utility */
    --radius-box: 12px;
    --radius-round: 50px;
    --shadow-soft: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
    --shadow-strong: 0 20px 25px -5px rgba(2, 132, 199, 0.2);
    --trans-speed: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--light-bg);
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.section-padding {
    padding: 100px 0;
}

@media (max-width: 768px) {
    .section-padding {
        padding: 60px 0;
    }
}

.bg-gray {
    background-color: #e2e8f0;
}

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

/* Background Patterns */
.bg-pattern {
    background-color: var(--light-bg);
    background-image: radial-gradient(var(--border-color) 1px, transparent 1px);
    background-size: 20px 20px;
}

.mt-4 {
    margin-top: 1.5rem;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.pb-0 {
    padding-bottom: 0;
}

.small-text {
    font-size: 0.875rem;
}

.text-muted {
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--radius-round);
    font-weight: 700;
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    font-size: 0.875rem;
    border: 2px solid transparent;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(2, 132, 199, 0.39);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(2, 132, 199, 0.4);
}

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

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

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

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

.nav-mobile-only {
    display: none;
}

/* Header Redesign */
.header-top {
    background-color: var(--darker-bg);
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 8px 0;
}

.header-top-inner {
    display: flex;
    justify-content: flex-end;
    gap: 30px;
}

.header-top i {
    color: var(--primary);
    margin-right: 5px;
}

.header-main {
    background-color: var(--dark-bg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-main-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-mark {
    background-color: var(--primary);
    color: var(--white);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 1.2rem;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.5rem;
    color: var(--white);
    letter-spacing: -0.5px;
}

.logo-text span {
    color: var(--primary);
    font-weight: 600;
}

.desktop-nav ul {
    display: flex;
    gap: 15px;
}

.desktop-nav a {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: -0.2px;
    color: var(--light-bg);
    text-transform: uppercase;
    position: relative;
    transition: color 0.3s ease;
}

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

.desktop-nav a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--primary);
    transition: var(--trans-speed);
}

.desktop-nav a:hover::after {
    width: 100%;
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}
.phone-link {
    font-weight: 700;
    font-size: 0.85rem;
    white-space: nowrap;
    color: var(--white);
}

.contact-number {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--white);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--white);
    cursor: pointer;
}

/* Hero Section - Split/Angular Design */
.hero-section {
    position: relative;
    padding: 120px 0 160px;
    z-index: 1;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/anasayfa.jpeg');
    background-size: cover;
    background-position: center;
    /* Different overlay: gradient from dark left to transparent right */
    background-blend-mode: multiply;
    background-color: rgba(15, 23, 42, 0.4);
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: linear-gradient(-90deg, var(--darker-bg) 0%, rgba(2, 6, 23, 0.8) 70%, transparent 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 650px;
    margin-left: auto;
    text-align: right;
}

.hero-stats {
    display: flex;
    gap: 40px;
    border-right: 4px solid var(--primary);
    padding-right: 20px;
    justify-content: flex-end;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
    justify-content: flex-end;
}

.hero-tag {
    display: inline-block;
    background-color: var(--primary);
    color: var(--white);
    padding: 6px 14px;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 4px;
    margin-bottom: 24px;
    letter-spacing: 1px;
}

.hero-heading {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 3.8rem;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 20px;
}

.hero-desc {
    font-size: 1.2rem;
    color: #cbd5e1;
    margin-bottom: 40px;
    line-height: 1.8;
}

/* Removed duplicate hero-buttons and hero-stats since they are now part of hero-content block */

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-text {
    font-size: 0.85rem;
    color: #94a3b8;
    line-height: 1.4;
}

/* Section Headings */
.section-heading {
    margin-bottom: 60px;
}

.sub-title {
    display: block;
    font-family: var(--font-heading);
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.section-heading h2 {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 2.5rem;
    color: var(--dark-bg);
    line-height: 1.2;
}

/* Features - Asymmetric Boxes */
.features-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.feature-box {
    padding: 50px 40px;
    border-radius: var(--radius-box);
    transition: transform 0.3s;
    text-align: center;
}

.feature-box:hover {
    transform: translateY(-10px);
}

.feature-box i {
    font-size: 3rem;
    margin-bottom: 24px;
    display: block;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.feature-box:hover i {
    transform: scale(1.2) translateY(-5px);
}

.feature-box h3 {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.primary-box {
    background-color: var(--primary);
    color: var(--white);
    box-shadow: var(--shadow-strong);
}

.primary-box p {
    color: rgba(255, 255, 255, 0.9);
}

.dark-box {
    background-color: var(--dark-bg);
    color: var(--white);
}

.dark-box i {
    color: var(--primary);
}

.dark-box p {
    color: #94a3b8;
}

.light-box {
    background-color: var(--white);
    color: var(--text-main);
    box-shadow: var(--shadow-soft);
}

.light-box i {
    color: var(--primary);
}

/* Catalog List - List View instead of Grid */
.catalog-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.catalog-item {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr auto;
    align-items: center;
    background-color: var(--white);
    padding: 24px 30px;
    border-radius: var(--radius-box);
    box-shadow: var(--shadow-soft);
    position: relative;
    border-left: 6px solid transparent;
    transition: var(--trans-speed);
}

.catalog-item:hover {
    border-left-color: var(--primary);
    transform: translateX(10px) translateY(-2px);
    box-shadow: 0 15px 35px -5px rgba(2, 132, 199, 0.1);
}

.catalog-item.popular {
    border-left-color: var(--primary);
    background-color: #f8fafc;
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 20px;
    background-color: var(--primary);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    text-transform: uppercase;
}

.item-grade h4 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--dark-bg);
    line-height: 1;
}

.item-grade .class-label {
    display: inline-block;
    background-color: var(--dark-bg);
    color: var(--white);
    font-size: 0.8rem;
    padding: 2px 8px;
    border-radius: 4px;
    margin-top: 5px;
}

.item-info {
    padding: 0 30px;
    border-left: 1px solid var(--border-color);
}

.item-price {
    text-align: right;
    padding-right: 30px;
}

.price-val {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary);
}

.price-unit {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Calculator Area */
.calc-box {
    display: flex;
    background-color: var(--dark-bg);
    border-radius: 24px;
    overflow: hidden;
    color: var(--white);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.calc-form-area {
    flex: 1;
    padding: 60px;
}

.calc-form-area h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.form-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.input-group {
    display: flex;
    flex-direction: column;
}

.floating-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    color: #94a3b8;
    margin-bottom: 8px;
    font-weight: 600;
}

.custom-select,
.custom-input {
    background-color: #1e293b;
    border: 1px solid #334155;
    color: var(--white);
    padding: 16px 20px;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--trans-speed);
}

.custom-select:focus,
.custom-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(2, 132, 199, 0.3);
}

.calc-summary {
    background-color: var(--primary);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.summary-text {
    font-weight: 600;
}

.summary-price {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 900;
}

.calc-image-area {
    flex: 1;
    background-image: url('../images/mixer.png');
    background-size: cover;
    background-position: center;
    position: relative;
}

.calc-image-area::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--dark-bg) 0%, transparent 40%);
}

/* Process Timeline - Vertical split style */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 40px;
    width: 2px;
    height: 100%;
    background-color: var(--primary);
    opacity: 0.3;
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    padding-left: 100px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-icon {
    position: absolute;
    left: 15px;
    top: 0;
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 0 0 8px var(--light-bg);
}

.timeline-content {
    background-color: var(--white);
    padding: 30px;
    border-radius: var(--radius-box);
    box-shadow: var(--shadow-soft);
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 15px;
    left: -10px;
    border-width: 10px 10px 10px 0;
    border-style: solid;
    border-color: transparent var(--white) transparent transparent;
}

.timeline-content h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--dark-bg);
    margin-bottom: 10px;
}

/* Footer styling */
.main-footer {
    background-color: var(--dark-bg);
    color: var(--white);
    padding-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand {
    margin-bottom: 20px;
}

.footer-brand .logo-text {
    color: var(--white);
}

.company-desc {
    color: #94a3b8;
    margin-bottom: 24px;
    max-width: 300px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #1e293b;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--trans-speed);
}

.social-btn:hover {
    background-color: var(--primary);
    transform: translateY(-3px);
}

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

.footer-widget h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 24px;
    color: var(--white);
}

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

.links-widget a {
    color: #94a3b8;
}

.links-widget a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-list li {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.contact-list i {
    color: var(--primary);
    font-size: 1.2rem;
    margin-top: 3px;
}

.contact-list span {
    display: block;
    color: #94a3b8;
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.contact-list strong {
    font-family: var(--font-heading);
    font-weight: 600;
}

.footer-bottom {
    background-color: var(--darker-bg);
    padding: 20px 0;
    text-align: center;
    color: #64748b;
    font-size: 0.85rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.1s;
}

.delay-2 {
    transition-delay: 0.2s;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .catalog-item {
        grid-template-columns: 1fr;
        gap: 15px;
        text-align: center;
        padding: 30px;
    }

    .item-info {
        border-left: none;
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
        padding: 15px 0;
    }

    .item-price {
        text-align: center;
        padding-right: 0;
    }

    .calc-box {
        flex-direction: column;
    }

    .calc-image-area {
        min-height: 250px;
    }

    .calc-image-area::after {
        display: none;
    }

    .hero-heading {
        font-size: 3rem;
    }
}

/* --- About Us Section Cards Design --- */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
    margin-top: 40px;
    margin-bottom: 50px;
}

.about-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius-box);
    box-shadow: var(--shadow-soft);
    text-align: center;
    transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
    border-bottom: 4px solid transparent;
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px -5px rgba(2, 132, 199, 0.15);
    border-bottom-color: var(--primary);
}

.about-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(2, 132, 199, 0.1) 0%, rgba(2, 132, 199, 0.2) 100%);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), background 0.4s ease, color 0.4s ease;
}

.about-card:hover .about-icon {
    transform: scale(1.15) rotate(10deg);
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 5px 15px rgba(2, 132, 199, 0.3);
}

.about-card h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--dark-bg);
    margin-bottom: 15px;
}

.about-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.about-footer-text {
    text-align: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    padding: 20px 30px;
    border-radius: var(--radius-round);
    box-shadow: var(--shadow-soft);
    border: 1px dashed var(--primary);
    transition: var(--trans-speed);
}

.about-footer-text:hover {
    box-shadow: 0 10px 25px rgba(2, 132, 199, 0.2);
    transform: scale(1.02);
}


/* Responsive adjustments starting at 1024px */

@media (max-width: 768px) {
    .header-top {
        display: none;
    }

    .menu-toggle {
        display: block;
        color: var(--white);
    }

    .desktop-nav {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--dark-bg);
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    }

    .header-main.nav-open .desktop-nav {
        display: block;
    }

    .desktop-nav ul {
        flex-direction: column;
        gap: 20px;
    }

    .desktop-nav a {
        font-size: 1rem;
    }

    .nav-mobile-only {
        display: flex;
        flex-direction: column;
        gap: 20px;
        margin-top: 30px;
        padding-top: 20px;
        border-top: 1px solid rgba(255,255,255,0.1);
    }

    .nav-mobile-only .lang-switcher {
        justify-content: flex-start;
        background: rgba(255,255,255,0.05);
        padding: 5px;
        width: fit-content;
    }

    .nav-mobile-only .location {
        font-size: 0.9rem;
    }

    .nav-mobile-only .location a {
        color: var(--text-muted);
        text-decoration: none;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .nav-mobile-only .location i {
        color: var(--primary);
    }

    .hero-section {
        padding: 80px 0 140px;
    }

    .hero-heading {
        font-size: 2rem;
        text-align: center;
        margin-bottom: 25px;
    }
    
    .hero-content {
        margin: 0 auto;
        text-align: center;
        max-width: 100%;
    }
    
    .hero-desc {
        text-align: center;
    }

    .hero-overlay {
        width: 100%;
        background: rgba(15, 23, 42, 0.8);
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
        border-right: none;
        padding-right: 0;
        align-items: center;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: 50px;
        margin-bottom: 30px;
    }
    
    .timeline-icon {
        width: 35px;
        height: 35px;
        left: 3px;
        font-size: 0.9rem;
    }
    
    .timeline-content {
        padding: 20px;
    }

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

    .calc-summary {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .calc-form-area {
        padding: 30px 20px;
    }
    
    .section-heading h2 {
        font-size: 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .company-desc {
        margin: 0 auto 24px auto;
    }
    
    .contact-list li {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .contact-list i {
        margin-bottom: 5px;
    }
}
/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-right: 20px;
    background: rgba(255,255,255,0.05);
    padding: 4px;
    border-radius: 20px;
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.8rem;
    padding: 6px 12px;
    border-radius: 16px;
    cursor: pointer;
    transition: var(--trans-speed);
}

.lang-btn:hover {
    color: var(--white);
}

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

@media (max-width: 992px) {
    .lang-switcher {
        margin-left: 0;
        margin-top: 15px;
        justify-content: center;
    }
}

/* ABSOLUTE GLOBAL HIDE FOR MOBILE NAV CONTENT ON DESKTOP */
.nav-mobile-only {
    display: none !important;
}

@media (max-width: 768px) {
    .nav-mobile-only {
        display: flex !important;
    }
}