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

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #090c0a;
    color: #ffffff;
    min-height: 100vh;
}

/* ÜST MENÜ */
header {
    height: 100px;
    padding: 0 6%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.brand-name {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 2px;
}

.brand-name strong {
    color: #79c65a;
}

.brand-by {
    margin-top: 6px;
    font-size: 9px;
    letter-spacing: 4px;
    color: #8a918c;
}

nav {
    display: flex;
    gap: 30px;
}

nav a {
    color: #c8ccc9;
    text-decoration: none;
    font-size: 11px;
    letter-spacing: 1.5px;
    transition: 0.3s;
}

nav a:hover {
    color: #79c65a;
}

.languages {
    font-size: 10px;
    letter-spacing: 1px;
    color: #a8ada9;
}

/* ANA EKRAN */
.hero {
    min-height: calc(100vh - 160px);
    padding: 0 8%;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    width: 700px;
    height: 700px;
    right: -150px;
    top: -100px;
    background: radial-gradient(
        circle,
        rgba(91, 160, 66, 0.16),
        transparent 65%
    );
}

.hero-content {
    max-width: 850px;
    position: relative;
    z-index: 2;
}

.eyebrow {
    color: #79c65a;
    font-size: 11px;
    letter-spacing: 5px;
    margin-bottom: 30px;
}

.hero h1 {
    font-size: clamp(55px, 7vw, 105px);
    line-height: 0.92;
    letter-spacing: -4px;
    font-weight: 700;
}

.hero h1 span {
    color: #79c65a;
}

.hero-description {
    margin-top: 35px;
    max-width: 580px;
    color: #9ca39e;
    font-size: 16px;
    line-height: 1.8;
}

.hero-buttons {
    margin-top: 40px;
    display: flex;
    gap: 15px;
}

button {
    padding: 17px 25px;
    background: #79c65a;
    color: #081008;
    border: 1px solid #79c65a;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    cursor: pointer;
}

button.secondary {
    background: transparent;
    color: #ffffff;
    border-color: rgba(255,255,255,0.25);
}

.hero-number {
    position: absolute;
    right: 7%;
    bottom: 10%;
    font-size: 120px;
    font-weight: 700;
    color: rgba(255,255,255,0.025);
}

/* ALT KISIM */
footer {
    height: 60px;
    padding: 0 6%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid rgba(255,255,255,0.06);
    color: #626863;
    font-size: 9px;
    letter-spacing: 3px;
}

/* TELEFON */
@media (max-width: 900px) {
    nav {
        display: none;
    }

    header {
        padding: 0 5%;
    }

    .hero {
        padding: 0 6%;
    }

    .hero h1 {
        letter-spacing: -2px;
    }

    .languages {
        font-size: 9px;
    }
}.hero::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 52%;
    height: 100%;
    background:
        linear-gradient(
            90deg,
            #090c0a 0%,
            rgba(9, 12, 10, 0.75) 25%,
            rgba(9, 12, 10, 0.20) 100%
        ),
        url("images/hero.jpg");

    background-size: cover;
    background-position: center;
    opacity: 0.65;
    z-index: 0;
}
/* DİL SEÇİCİ */
.languages {
    display: flex;
    align-items: center;
    gap: 6px;
}

.languages button {
    margin: 0;
    padding: 7px 9px;
    background: transparent;
    border: none;
    color: #7d847f;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    transition: 0.3s ease;
}

.languages button:hover {
    color: #79c65a;
    background: transparent;
}

.languages button:not(:last-child) {
    border-right: 1px solid rgba(255, 255, 255, 0.12);
}/* PYROLYSIS SECTION */
.pyrolysis-section {
    padding: 110px 7%;
    background: #0d110e;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.section-heading {
    max-width: 760px;
    margin-bottom: 55px;
}

.section-heading span {
    display: block;
    color: #79c65a;
    font-size: 10px;
    letter-spacing: 5px;
    margin-bottom: 18px;
}

.section-heading h2 {
    font-size: clamp(38px, 5vw, 68px);
    line-height: 1;
    margin-bottom: 22px;
    color: #ffffff;
}

.section-heading p {
    max-width: 680px;
    color: #929993;
    font-size: 15px;
    line-height: 1.8;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.product-card {
    min-height: 260px;
    padding: 28px;
    background: linear-gradient(
        180deg,
        rgba(255,255,255,0.035),
        rgba(255,255,255,0.015)
    );
    border: 1px solid rgba(255,255,255,0.08);
    transition: 0.35s ease;
}

.product-card:hover {
    transform: translateY(-6px);
    border-color: rgba(121,198,90,0.45);
    background: rgba(121,198,90,0.035);
}

.product-card > span {
    color: #79c65a;
    font-size: 10px;
    letter-spacing: 3px;
}

.product-card h3 {
    margin-top: 70px;
    margin-bottom: 14px;
    font-size: 20px;
    font-weight: 500;
}

.product-card p {
    color: #858d87;
    font-size: 13px;
    line-height: 1.7;
}

@media (max-width: 1000px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .product-grid {
        grid-template-columns: 1fr;
    }

    .pyrolysis-section {
        padding: 80px 6%;
    }
}/* CONTACT SECTION */
.contact-section {
    padding: 120px 7%;
    background: #090c0a;
    border-top: 1px solid rgba(255,255,255,0.06);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
}

.contact-left > span {
    display: block;
    color: #79c65a;
    font-size: 10px;
    letter-spacing: 5px;
    margin-bottom: 25px;
}

.contact-left h2 {
    max-width: 600px;
    font-size: clamp(42px, 5vw, 72px);
    line-height: 1.05;
    font-weight: 600;
    letter-spacing: -2px;
    margin-bottom: 28px;
}

.contact-left p {
    max-width: 500px;
    color: #8d958f;
    font-size: 15px;
    line-height: 1.8;
}

.contact-info {
    border-top: 1px solid rgba(255,255,255,0.12);
}

.contact-item {
    padding: 24px 0;
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.contact-item span {
    color: #69706b;
    font-size: 9px;
    letter-spacing: 2px;
}

.contact-item strong {
    color: #e5e8e5;
    font-size: 14px;
    line-height: 1.6;
    font-weight: 400;
}

@media (max-width: 800px) {
    .contact-section {
        grid-template-columns: 1fr;
        gap: 60px;
        padding: 80px 6%;
    }

    .contact-item {
        grid-template-columns: 1fr;
        gap: 10px;
    }
}/* ABOUT SECTION */
.about-section {
    padding: 120px 7%;
    background: #0a0d0b;
    border-top: 1px solid rgba(255,255,255,0.06);
    display: grid;
    grid-template-columns: 0.7fr 2fr;
    gap: 90px;
}

.about-label span {
    color: #79c65a;
    font-size: 10px;
    letter-spacing: 5px;
}

.about-content {
    max-width: 900px;
}

.about-content h2 {
    font-size: clamp(44px, 5vw, 76px);
    line-height: 1;
    letter-spacing: -3px;
    font-weight: 600;
    margin-bottom: 45px;
}

.about-content p {
    max-width: 760px;
    color: #969d98;
    font-size: 16px;
    line-height: 1.9;
    margin-bottom: 20px;
}

.about-content p strong {
    color: #ffffff;
    font-weight: 500;
}

.about-values {
    margin-top: 50px;
    padding-top: 25px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #d7dbd8;
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.about-values span {
    color: #79c65a;
    margin: 0 15px;
}

@media (max-width: 800px) {
    .about-section {
        grid-template-columns: 1fr;
        gap: 35px;
        padding: 80px 6%;
    }

    .about-content h2 {
        letter-spacing: -2px;
    }
}.about-section {
    position: relative;
    z-index: 3;
    background: #0a0d0b;
}/* TECHNOLOGY SECTION */
.technology-section {
    padding: 120px 7%;
    background: #0b0f0c;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.technology-section .section-heading {
    margin-bottom: 70px;
}

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

.process-grid::before {
    content: "";
    position: absolute;
    top: 26px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        rgba(121,198,90,0.15),
        rgba(121,198,90,0.7),
        rgba(121,198,90,0.15)
    );
}

.process-step {
    position: relative;
    padding: 0 28px 0 0;
    min-height: 260px;
}

.process-step > span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: #0b0f0c;
    border: 1px solid rgba(121,198,90,0.55);
    color: #79c65a;
    font-size: 11px;
    letter-spacing: 2px;
    position: relative;
    z-index: 2;
}

.process-step h3 {
    margin-top: 35px;
    font-size: 20px;
    font-weight: 500;
    color: #ffffff;
}

.process-step p {
    margin-top: 14px;
    max-width: 260px;
    color: #858d87;
    font-size: 13px;
    line-height: 1.8;
}

@media (max-width: 900px) {
    .process-grid {
        grid-template-columns: 1fr 1fr;
        gap: 45px;
    }

    .process-grid::before {
        display: none;
    }
}

@media (max-width: 600px) {
    .process-grid {
        grid-template-columns: 1fr;
    }

    .technology-section {
        padding: 80px 6%;
    }
}

/* ================================
   TECHNOLOGY - CLEAN FINAL VERSION
   ================================ */

.technology-section {
    width: 100%;
    padding: 120px 7%;
    background: #0b0f0c;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.technology-section .section-heading {
    width: 100%;
    max-width: 1000px;
    margin-bottom: 70px;
}

.technology-section .section-heading p {
    color: #c3c9c4;
}

.process-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
}

.process-step p {
    color: #c3c9c4;
    opacity: 1;
}

/* Premium footer */
.premium-footer {
    min-height: 180px;
    height: auto;
    padding: 45px 6%;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
    border-top: 1px solid rgba(255,255,255,0.08);
    background: #070907;
    color: #7d847f;
    letter-spacing: 0;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-brand strong {
    color: #ffffff;
    font-size: 17px;
    letter-spacing: 2px;
    font-weight: 700;
}

.footer-brand strong span {
    color: #79c65a;
}

.footer-brand small {
    color: #707771;
    font-size: 8px;
    letter-spacing: 4px;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: 9px;
    font-size: 9px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.footer-info a {
    color: #c3c9c4;
    text-decoration: none;
    letter-spacing: 0.5px;
    text-transform: none;
    transition: 0.3s ease;
}

.footer-info a:hover {
    color: #79c65a;
}

.footer-languages {
    display: flex;
    gap: 16px;
    color: #707771;
    font-size: 9px;
    letter-spacing: 2px;
}

.footer-languages span:first-child {
    color: #79c65a;
}

/* Responsive */
@media (max-width: 900px) {
    .process-grid {
        grid-template-columns: 1fr 1fr;
        gap: 45px;
    }

    .premium-footer {
        align-items: flex-start;
        flex-direction: column;
        padding: 50px 6%;
    }
}

@media (max-width: 600px) {
    .technology-section {
        padding: 80px 6%;
    }

    .process-grid {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .premium-footer {
        gap: 30px;
    }
}