/* ========================================
   ENDE KAUÇUK - Main Stylesheet
   ======================================== */

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

:root {
    --red: #C43A2D;
    --red-dark: #a32f24;
    --yellow: #E8B74A;
    --cream: #FAF8F3;
    --dark: #292929;
    --gray: #666;
    --light-gray: #f5f5f5;
    --white: #fff;
    --font-heading: 'Kumbh Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
    --shadow: 0 2px 15px rgba(0,0,0,0.08);
    --shadow-lg: 0 5px 30px rgba(0,0,0,0.12);
    --radius: 12px;
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-body);
    color: var(--dark);
    line-height: 1.6;
    background: var(--white);
}

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

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

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

.section {
    padding: 80px 0;
}

.bg-light {
    background: var(--cream);
}

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

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 15px;
}

/* ========================================
   HEADER
   ======================================== */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    height: 50px;
    width: auto;
}

.main-nav {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--dark);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--red);
    transition: var(--transition);
}

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

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

.header-phones {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.phone-link {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--dark);
}

.phone-link:hover {
    color: var(--red);
}

.phone-icon {
    width: 14px;
    height: 14px;
}

.btn-contact {
    display: inline-block;
    background: var(--red);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 30px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.btn-contact:hover {
    background: var(--red-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(196, 58, 45, 0.3);
}

.btn-lg {
    padding: 15px 35px;
    font-size: 1rem;
}

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

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

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

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

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition);
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav-link {
    display: block;
    padding: 15px 0;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    border-bottom: 1px solid #eee;
}

.mobile-nav-link:hover {
    color: var(--red);
}

.mobile-menu-phones {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid var(--red);
}

.mobile-menu-phones a {
    display: block;
    padding: 10px 0;
    font-weight: 600;
    color: var(--red);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    background: var(--cream);
    padding: 60px 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-content {
    padding-right: 40px;
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--yellow);
    font-weight: 600;
    margin-bottom: 15px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-text {
    color: var(--gray);
    font-size: 1rem;
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-info-cards {
    display: flex;
    gap: 20px;
}

.info-card {
    background: var(--white);
    padding: 25px 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    flex: 1;
}

.info-card-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 15px;
}

.info-card-value {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 5px;
}

.info-card-label {
    font-size: 0.85rem;
    color: var(--gray);
}

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

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

/* ========================================
   YELLOW BANNER
   ======================================== */
.yellow-banner {
    background: var(--yellow);
    padding: 40px 0;
    text-align: center;
}

.banner-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.banner-text {
    font-size: 1rem;
    color: var(--dark);
    opacity: 0.8;
}

/* ========================================
   PRODUCT SECTIONS
   ======================================== */
.product-section {
    padding: 80px 0;
}

.product-section:nth-child(even) {
    background: var(--cream);
}

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

.product-content {
    padding: 0 20px;
}

.product-tag {
    display: inline-block;
    background: var(--yellow);
    color: var(--dark);
    padding: 6px 16px;
    border-radius: 20px;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.product-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 20px;
}

.product-text {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 25px;
}

.product-features {
    list-style: none;
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.95rem;
    color: var(--dark);
}

.product-features li img {
    width: 18px;
    height: 18px;
}

.product-image {
    display: flex;
    justify-content: center;
}

.product-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
}

/* ========================================
   BIZ KİMİZ - Story
   ======================================== */
.story-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.story-content {
    padding-right: 20px;
}

.story-text {
    color: var(--gray);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.rounded-img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

/* ========================================
   BIZ KİMİZ - Values
   ======================================== */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

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

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

.value-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.value-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.value-text {
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.7;
}

/* ========================================
   BIZ KİMİZ - Stats
   ======================================== */
.stats-section {
    background: var(--dark);
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-top: 40px;
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--yellow);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    color: var(--white);
    opacity: 0.8;
}

/* ========================================
   BIZ KİMİZ - Why Grid
   ======================================== */
.why-grid {
    max-width: 900px;
    margin: 40px auto 0;
}

.why-item {
    display: flex;
    gap: 20px;
    padding: 25px 0;
    border-bottom: 1px solid #eee;
}

.why-item:last-child {
    border-bottom: none;
}

.why-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    margin-top: 5px;
}

.why-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.why-text {
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.7;
}

/* ========================================
   SEKTÖRLER - Sectors Grid
   ======================================== */
.sectors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.sector-card {
    background: var(--white);
    padding: 35px 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 4px solid transparent;
}

.sector-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--red);
}

.sector-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.sector-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.sector-text {
    font-size: 0.85rem;
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 15px;
}

.sector-list {
    list-style: none;
}

.sector-list li {
    font-size: 0.8rem;
    color: var(--dark);
    padding: 5px 0;
    padding-left: 15px;
    position: relative;
}

.sector-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--red);
    font-weight: 700;
}

/* ========================================
   SEKTÖRLER - Process Grid
   ======================================== */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.process-step {
    text-align: center;
    padding: 30px 20px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.step-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--yellow);
    margin-bottom: 15px;
}

.step-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.step-text {
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.6;
}

/* ========================================
   KURUMSAL - Certifications
   ======================================== */
.certs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.cert-card {
    background: var(--white);
    padding: 35px 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

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

.cert-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.cert-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.cert-text {
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.6;
}

/* ========================================
   KURUMSAL - Mission/Vision
   ======================================== */
.mv-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
}

.mv-card {
    background: var(--white);
    padding: 40px 35px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border-left: 5px solid var(--red);
}

.mv-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--red);
    margin-bottom: 15px;
}

.mv-card p {
    font-size: 1rem;
    color: var(--gray);
    line-height: 1.8;
}

/* ========================================
   PAGE HERO (for sub-pages)
   ======================================== */
.page-hero {
    background: var(--cream);
    padding: 60px 0;
    text-align: center;
}

.page-hero-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 15px;
}

.page-hero-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
    background: var(--red);
}

.cta-inner {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 15px;
}

.cta-text {
    font-size: 1.05rem;
    color: var(--white);
    opacity: 0.9;
    margin-bottom: 30px;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--dark);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
    height: 60px;
    width: auto;
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-link {
    display: block;
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    padding: 6px 0;
}

.footer-link:hover {
    color: var(--yellow);
}

.footer-address {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    padding: 6px 0;
    line-height: 1.6;
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
}

/* ========================================
   İLETİŞİM PAGE
   ======================================== */
.info-cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 40px;
}

.info-card-large {
    background: var(--white);
    padding: 35px 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border-top: 4px solid var(--red);
}

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

.info-card-large .icon {
    font-size: 2rem;
    margin-bottom: 15px;
}

.info-card-large h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.info-card-large p {
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.6;
}

/* Form Styles */
.form-section {
    background: var(--cream);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 40px;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.form-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 25px;
}

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

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--red);
    box-shadow: 0 0 0 3px rgba(196, 58, 45, 0.1);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.form-submit {
    width: 100%;
    background: var(--red);
    color: var(--white);
    padding: 16px;
    border: none;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.form-submit:hover {
    background: var(--red-dark);
    transform: translateY(-2px);
}

/* Map Section */
.map-section {
    padding: 0;
}

.map-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 0;
}

.map-container iframe {
    width: 100%;
    height: 400px;
    border: none;
}

.map-info {
    background: var(--dark);
    padding: 40px;
    color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.map-info h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 25px;
}

.map-info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.map-info-item .icon {
    font-size: 1.2rem;
    margin-top: 3px;
}

.map-info-item p {
    font-size: 0.95rem;
    line-height: 1.6;
    opacity: 0.9;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .sectors-grid,
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .main-nav,
    .header-right {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }

    .hero-grid,
    .product-grid,
    .story-grid,
    .form-grid,
    .mv-grid {
        grid-template-columns: 1fr;
    }

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

    .section-title {
        font-size: 2rem;
    }

    .hero-info-cards {
        flex-direction: column;
    }

    .values-grid,
    .certs-grid {
        grid-template-columns: 1fr;
    }

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

    .sectors-grid,
    .process-grid,
    .info-cards-grid {
        grid-template-columns: 1fr;
    }

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

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

    .map-container iframe {
        height: 300px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .page-hero-title {
        font-size: 2rem;
    }
}