@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
  background: linear-gradient(90deg, #0056cf 0%, #208cb2 50%, #68c738 100%);
  min-height: 100vh;
  margin: 0;
  font-family: 'Inter', Arial, sans-serif;
}

/* =========================
   GENEL
========================= */

a {
    color: inherit;
    text-decoration: none;
}

header {
    height: 78px;
    padding: 0 6%;
    display: flex;
    align-items: center;
    justify-content: space-between;

    background: rgba(7, 20, 19, 0.94);
    border-bottom: 1px solid #173b3a;

    position: sticky;
    top: 0;
    z-index: 100;

    backdrop-filter: blur(14px);
}

.logo {
    font-size: 23px;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo span {
    color: #36a6b8;
}

/* =========================
   NAVBAR
========================= */

nav {
    display: flex;
    align-items: center;
    gap: 25px;
}

nav a {
    color: #a8bbb8;
    font-size: 14px;
    transition: 0.25s;
}

nav a:hover,
nav a.active {
    color: #55c8a5;
}

.menu {
    display: none;
    background: none;
    border: 0;
    color: white;
    font-size: 25px;
    cursor: pointer;
}

/* =========================
   HERO
========================= */

.hero {
    min-height: 670px;

    padding: 100px 7%;

    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;

    gap: 70px;

    background:
        radial-gradient(
            circle at 80% 40%,
            rgba(37, 108, 108, 0.25),
            transparent 35%
        );
}

.hero h1 {
    font-size: clamp(44px, 7vw, 82px);
    line-height: 1.02;
    letter-spacing: -4px;

    margin: 12px 0 25px;

    max-width: 900px;
}

.hero h1 span {
    color: #43b8aa;
}

.hero p {
    max-width: 680px;

    color: #a9bbb9;

    font-size: 18px;
}

/* =========================
   EYEBROW
========================= */

.eyebrow {
    color: #46bda8 !important;

    font-weight: 800;
    font-size: 12px !important;

    letter-spacing: 2px;
}

/* =========================
   BUTONLAR
========================= */

.actions {
    display: flex;
    gap: 12px;
    margin-top: 35px;
}

.btn {
    display: inline-block;

    padding: 13px 20px;

    border-radius: 12px;

    border: 1px solid #287d79;

    background: #1d7777;

    color: white;

    font-weight: 700;

    cursor: pointer;

    transition: 0.25s;
}

.btn:hover {
    transform: translateY(-2px);

    background: #238b84;

    border-color: #3eb8a5;

    box-shadow: 0 10px 30px rgba(28, 133, 121, 0.2);
}

.btn.ghost {
    background: transparent;
    border-color: #294b50;
}

.btn.ghost:hover {
    background: #102c2d;
}

.btn.small {
    padding: 9px 14px;
    font-size: 13px;
}

/* =========================
   HERO CARD
========================= */

.hero-card {
    height: 410px;

    padding: 30px;

    border-radius: 30px;

    border: 1px solid #1d4648;

    background:
        linear-gradient(
            145deg,
            #0d2929,
            #09201f
        );

    display: flex;
    flex-direction: column;
    justify-content: flex-end;

    overflow: hidden;

    box-shadow:
        0 30px 90px rgba(0, 0, 0, 0.45);
}

.orb {
    width: 240px;
    height: 240px;

    border-radius: 50%;

    background:
        radial-gradient(
            circle at 35% 30%,
            #75d6bd,
            #277f87 35%,
            #123f4b 65%,
            transparent 70%
        );

    align-self: center;

    margin: auto;

    filter: blur(1px);
}

.hero-card small {
    color: #718b88;
    margin-top: 5px;
}

/* =========================
   İSTATİSTİK
========================= */

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);

    border-top: 1px solid #173b3a;
    border-bottom: 1px solid #173b3a;
}

.stats div {
    padding: 30px 7%;

    border-right: 1px solid #173b3a;
}

.stats b {
    display: block;
    font-size: 30px;
    color: #52c5ae;
}

.stats span {
    color: #718985;
    font-size: 13px;
}

/* =========================
   SECTION
========================= */

.section {
    padding: 90px 7%;
}

.section-head {
    max-width: 750px;
    margin-bottom: 40px;
}

.section h2 {
    font-size: 42px;
    line-height: 1.1;
    letter-spacing: -2px;
}

/* =========================
   GRID
========================= */

.grid {
    display: grid;
    gap: 18px;
}

/* =========================
   KARTLAR
========================= */

.cards {
    grid-template-columns: repeat(4, 1fr);
}

.cards article,
.service-grid article,
.product,
.projects article,
.blog article {

    border: 1px solid #1b3e3e;

    background:
        linear-gradient(
            145deg,
            #0c211f,
            #091817
        );

    border-radius: 18px;

    padding: 27px;

    transition: 0.25s;
}

.cards article:hover,
.service-grid article:hover,
.product:hover,
.projects article:hover,
.blog article:hover {

    transform: translateY(-5px);

    border-color: #2c8d86;

    box-shadow:
        0 15px 40px rgba(0, 0, 0, 0.2);
}

.cards i {
    color: #49bda8;

    font-style: normal;

    font-weight: 800;
}

.cards h3 {
    font-size: 20px;
}

.cards p,
.service-grid p,
.product p,
.projects p,
.blog p {

    color: #829995;
}

/* =========================
   CTA
========================= */

.cta {

    margin: 0 7% 90px;

    padding: 55px;

    border: 1px solid #1d4847;

    border-radius: 25px;

    background:
        linear-gradient(
            100deg,
            #0c2524,
            #09201f
        );

    display: flex;

    align-items: center;

    justify-content: space-between;
}

.cta h2 {
    margin: 8px 0;

    font-size: 38px;
}

/* =========================
   SAYFA BAŞLIĞI
========================= */

.page-hero {

    padding: 110px 7% 70px;

    max-width: 1100px;
}

.page-hero h1 {

    font-size: clamp(45px, 6vw, 72px);

    line-height: 1.02;

    letter-spacing: -3px;
}

/* =========================
   HİZMETLER
========================= */

.service-grid {
    grid-template-columns: repeat(3, 1fr);
}

.service-grid span {
    color: #4abca9;

    font-weight: 800;
}

.service-grid ul {
    padding-left: 18px;

    color: #859894;
}

.service-grid li {
    margin: 6px 0;
}

/* =========================
   ÜRÜNLER
========================= */

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

.product-art {

    height: 230px;

    border-radius: 13px;

    display: grid;

    place-items: center;

    text-align: center;

    font-size: 38px;

    font-weight: 800;

    letter-spacing: -2px;

    background:
        radial-gradient(
            circle at 30% 20%,
            #287b80,
            #0d2929 55%
        );
}

.product h3 {
    font-size: 24px;
}

/* =========================
   PROJELER
========================= */

.projects {
    grid-template-columns: repeat(3, 1fr);
}

.project-cover {

    height: 250px;

    border-radius: 13px;

    display: grid;

    place-items: center;

    font-weight: 800;

    font-size: 30px;

    margin-bottom: 20px;
}

.one {
    background:
        linear-gradient(
            135deg,
            #123d3d,
            #277d87
        );
}

.two {
    background:
        linear-gradient(
            135deg,
            #0c2426,
            #315b67
        );
}

.three {
    background:
        linear-gradient(
            135deg,
            #123c34,
            #347d6d
        );
}

.tag {

    display: inline-block;

    border: 1px solid #27504e;

    color: #93aaa5;

    border-radius: 99px;

    padding: 4px 9px;

    font-size: 11px;

    margin: 4px;
}

/* =========================
   BLOG
========================= */

.blog {
    grid-template-columns: repeat(3, 1fr);
}

.blog small {
    color: #708682;
}

.blog a {
    color: #4fc1ac;

    font-weight: 700;
}

/* =========================
   ARTICLE
========================= */

.article {

    max-width: 850px;

    margin: auto;

    padding: 90px 7%;
}

.article h1 {

    font-size: clamp(42px, 6vw, 70px);

    line-height: 1.05;

    letter-spacing: -3px;
}

.article h2 {
    margin-top: 50px;
}

.article p {
    color: #a5b6b2;

    font-size: 17px;
}

.lead {
    font-size: 22px !important;
}

/* =========================
   HAKKIMIZDA
========================= */

.two-col {

    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 50px;
}

/* =========================
   İLETİŞİM
========================= */

.contact {

    display: grid;

    grid-template-columns: 1.2fr 0.8fr;

    gap: 70px;

    max-width: 1100px;
}

form {
    display: grid;
    gap: 18px;
}

label {

    display: grid;

    gap: 8px;

    color: #a8b8b4;

    font-size: 13px;
}

input,
textarea,
select {

    width: 100%;

    background: #091b1a;

    color: white;

    border: 1px solid #244544;

    border-radius: 10px;

    padding: 13px;

    font: inherit;

    outline: none;
}

input:focus,
textarea:focus,
select:focus {

    border-color: #3ba99d;

    box-shadow:
        0 0 0 3px rgba(59, 169, 157, 0.1);
}

textarea {

    min-height: 170px;

    resize: vertical;
}

aside {

    border: 1px solid #204241;

    border-radius: 18px;

    padding: 30px;

    height: max-content;

    background: #0b201f;
}

.info {

    padding: 15px 0;

    border-top: 1px solid #1b3d3c;

    color: #92a6a2;
}

/* =========================
   404
========================= */

.notfound {

    min-height: 100vh;

    display: grid;

    place-items: center;

    text-align: center;
}

.notfound h1 {

    font-size: 70px;

    margin: 5px;
}

.notfound p {
    color: #8c9b99;
}

/* =========================
   FOOTER
========================= */

footer {

    padding: 35px 7%;

    border-top: 1px solid #173b3a;

    display: flex;

    justify-content: space-between;

    gap: 20px;

    color: #71807e;

    font-size: 13px;
}

footer b {
    color: white;
}

footer div {
    display: flex;
    gap: 15px;
}

footer a:hover {
    color: #55c8a5;
}

/* =========================
   TOAST
========================= */

.toast {

    position: fixed;

    bottom: 25px;

    right: 25px;

    background: #0d2726;

    border: 1px solid #347e76;

    padding: 13px 18px;

    border-radius: 10px;

    z-index: 100;
}

/* =========================
   MOBİL
========================= */

@media (max-width: 850px) {

    nav {

        display: none;

        position: absolute;

        top: 78px;

        left: 0;

        right: 0;

        background: #071413;

        padding: 20px 7%;

        flex-direction: column;
    }

    .menu {
        display: block;
    }

    .hero {

        grid-template-columns: 1fr;

        padding-top: 70px;
    }

    .hero-card {
        height: 300px;
    }

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

    .cards,
    .service-grid,
    .products,
    .projects,
    .blog,
    .two-col,
    .contact {

        grid-template-columns: 1fr;
    }

    .cta {
        display: block;
    }

    .cta .btn {
        margin-top: 20px;
    }

    footer {
        flex-direction: column;
    }

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

    .section h2 {
        font-size: 34px;
    }
}