* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: #17233d;
    background: #ffffff;
    line-height: 1.6;
}

a {
    text-decoration: none;
}

/* HEADER */

.site-header {
    position: relative;
    z-index: 100;
    background: #ffffff;
    border-bottom: 1px solid #e6ebf2;
}

.nav-container {
    width: 90%;
    max-width: 1280px;
    margin: auto;
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.logo {
    width: 175px;
    height: auto;
    display: block;
}

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

nav a {
    color: #17233d;
    font-size: 14px;
    font-weight: 600;
    transition: 0.3s;
}

nav a:hover {
    color: #008fa3;
}

.nav-button {
    background: #06479b;
    color: #ffffff;
    padding: 11px 20px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 700;
}

/* HERO */

.hero {
    position: relative;
    overflow: hidden;
    min-height: 560px;
    background: linear-gradient(
        120deg,
        #f8fbff 0%,
        #edf7fc 55%,
        #dcecf7 100%
    );
}

.hero-container {
    width: 90%;
    max-width: 1280px;
    margin: auto;
    min-height: 570px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.hero-text {
    max-width: 720px;
}

.hero-label,
.section-label {
    color: #008fa3;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 18px;
}

.hero h1 {
    margin: 0;
    color: #102d63;
    font-size: 67px;
    line-height: 1.03;
    letter-spacing: -3px;
}

.hero h1 span {
    color: #008fa3;
    display: block;
}

.hero-description {
    max-width: 650px;
    margin: 30px 0 15px;
    color: #45556e;
    font-size: 19px;
    line-height: 1.7;
}

.hero-experience {
    color: #65738a;
    font-size: 15px;
}

.hero-experience strong {
    color: #102d63;
}

.hero-buttons {
    margin-top: 32px;
    display: flex;
    align-items: center;
    gap: 25px;
}

.primary-button {
    display: inline-block;
    padding: 15px 28px;
    background: #06479b;
    color: #ffffff;
    border-radius: 4px;
    font-weight: 700;
    box-shadow: 0 10px 25px rgba(6,71,155,0.20);
    transition: 0.3s;
}

.primary-button:hover {
    background: #008fa3;
    transform: translateY(-2px);
}

.text-button {
    color: #06479b;
    font-size: 14px;
    font-weight: 700;
}

/* HERO VISUAL */

.hero-right {
    width: 450px;
    height: 450px;
    position: relative;
    flex-shrink: 0;
}

.experience-card {
    position: absolute;
    z-index: 5;
    width: 290px;
    height: 330px;
    top: 60px;
    left: 80px;
    padding: 38px;
    background: rgba(255,255,255,0.94);
    border: 1px solid rgba(255,255,255,0.9);
    border-radius: 12px;
    box-shadow: 0 25px 70px rgba(23,60,100,0.16);
}

.experience-top {
    color: #06479b;
    font-size: 72px;
    font-weight: 800;
    line-height: 1;
}

.experience-title {
    margin-top: 5px;
    color: #102d63;
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 2px;
}

.experience-line {
    width: 50px;
    height: 3px;
    background: #00a5b5;
    margin: 25px 0;
}

.experience-card p {
    color: #68758a;
    font-size: 14px;
    line-height: 1.8;
}

.orbit {
    position: absolute;
    border: 1px solid rgba(0,143,163,0.18);
    border-radius: 50%;
}

.orbit-one {
    width: 450px;
    height: 450px;
}

.orbit-two {
    width: 330px;
    height: 330px;
    top: 60px;
    left: 60px;
}

/* CREDIBILITY */

.credibility {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    border-bottom: 1px solid #e5eaf1;
}

.credibility-item {
    text-align: center;
    padding: 30px 20px;
    border-right: 1px solid #e5eaf1;
}

.credibility-item:last-child {
    border-right: none;
}

.credibility-item strong {
    display: block;
    color: #06479b;
    font-size: 27px;
}

.credibility-item span {
    color: #69778b;
    font-size: 13px;
}

/* COMMON */

.section-container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

section {
    padding: 95px 0;
}

.section-intro h2,
.services-heading h2,
.why-heading h2,
.connectivity-box h2,
.contact h2 {
    margin: 0;
    color: #102d63;
    font-size: 45px;
    line-height: 1.15;
    letter-spacing: -1.5px;
}

.section-intro h2 span,
.services-heading h2 span,
.why-heading h2 span,
.connectivity-box h2 span {
    color: #008fa3;
}

/* ABOUT */

.about {
    background: #ffffff;
}

.about-grid {
    margin-top: 55px;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 70px;
}

.about-story {
    max-width: 650px;
}

.large-text {
    color: #34445d;
    font-size: 20px;
    line-height: 1.75;
}

.about-story p {
    color: #66748a;
    font-size: 16px;
}

.about-story strong {
    color: #102d63;
}

.about-principles {
    border-left: 1px solid #dfe6ee;
    padding-left: 40px;
}

.principle {
    display: flex;
    gap: 20px;
    padding: 22px 0;
    border-bottom: 1px solid #e6ebf1;
}

.principle span {
    color: #00a5b5;
    font-size: 13px;
    font-weight: 800;
}

.principle h3 {
    margin: 0 0 5px;
    color: #102d63;
    font-size: 19px;
}

.principle p {
    margin: 0;
    color: #69778b;
    font-size: 14px;
}

/* SERVICES */

.services {
    background: #f5f8fc;
}

.services-heading {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 50px;
    margin-bottom: 55px;
}

.services-heading > p {
    max-width: 420px;
    margin: 0;
    color: #68768b;
    font-size: 16px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 20px;
}

.service {
    position: relative;
    padding: 34px 30px;
    min-height: 230px;
    background: #ffffff;
    border: 1px solid #e2e8ef;
    transition: 0.3s;
}

.service:hover {
    transform: translateY(-5px);
    box-shadow: 0 18px 45px rgba(20,50,90,0.10);
}

.service-number {
    color: #00a5b5;
    font-size: 12px;
    font-weight: 800;
}

.service h3 {
    margin: 20px 0 12px;
    color: #06479b;
    font-size: 20px;
}

.service p {
    margin: 0;
    color: #68768b;
    font-size: 14px;
}

/* WHY */

.why {
    background: #063b80;
    color: #ffffff;
}

.why-container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 90px;
    align-items: center;
}

.why-heading .section-label {
    color: #35c5d0;
}

.why-heading h2 {
    color: #ffffff;
}

.why-heading p {
    max-width: 550px;
    color: #cbd9e8;
    font-size: 17px;
    margin-top: 25px;
}

.why-list {
    display: grid;
    gap: 15px;
}

.why-item {
    display: flex;
    gap: 18px;
    padding: 20px;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.08);
}

.check {
    color: #35c5d0;
    font-size: 22px;
    font-weight: 800;
}

.why-item h3 {
    margin: 0;
    color: #ffffff;
    font-size: 17px;
}

.why-item p {
    margin: 5px 0 0;
    color: #cbd9e8;
    font-size: 13px;
}

/* CONNECTIVITY */

.connectivity {
    background: #ffffff;
}

.connectivity-box {
    padding: 55px;
    background: linear-gradient(
        120deg,
        #f2f9fc,
        #e4f3f7
    );
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}

.connectivity-box > p {
    margin: 0;
    color: #596980;
    font-size: 17px;
    line-height: 1.8;
}

/* CONTACT */

.contact {
    text-align: center;
    background: #f7fafc;
}

.contact-container {
    width: 90%;
    max-width: 800px;
    margin: auto;
}

.contact h2 {
    margin-bottom: 18px;
}

.contact-container > p {
    color: #68768b;
    font-size: 18px;
    margin: 0 auto 30px;
}

.contact-info {
    margin-top: 45px;
    padding-top: 25px;
    border-top: 1px solid #dfe6ee;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.contact-info strong {
    color: #102d63;
    font-size: 21px;
}

.contact-info span {
    color: #68768b;
    font-size: 13px;
}

.contact-info a {
    color: #008fa3;
    font-size: 14px;
    font-weight: 700;
}

/* FOOTER */

footer {
    padding: 28px 0;
    background: #071f43;
    color: #ffffff;
}

.footer-container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.footer-container strong {
    display: block;
}

.footer-container span {
    color: #9fb1c8;
    font-size: 12px;
}

.footer-container > div:last-child {
    color: #9fb1c8;
    font-size: 12px;
}

/* TABLET */

@media (max-width: 950px) {

    .nav-button {
        display: none;
    }

    .hero-container {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        padding: 80px 0;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-right {
        width: 350px;
        height: 350px;
    }

    .orbit-one {
        width: 350px;
        height: 350px;
    }

    .orbit-two {
        width: 260px;
        height: 260px;
        top: 45px;
        left: 45px;
    }

    .experience-card {
        width: 240px;
        height: 280px;
        left: 55px;
        top: 35px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-principles {
        border-left: none;
        border-top: 1px solid #dfe6ee;
        padding-left: 0;
    }

    .why-container {
        grid-template-columns: 1fr;
        gap: 45px;
    }

    .connectivity-box {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* MOBILE */

@media (max-width: 650px) {

    .nav-container {
        width: 92%;
        min-height: auto;
        padding: 15px 0;
        flex-direction: column;
        gap: 12px;
    }

    .logo {
        width: 150px;
    }

    nav {
        gap: 14px 18px;
        justify-content: center;
        flex-wrap: wrap;
    }

    nav a {
        font-size: 12px;
    }

    .hero-container {
        width: 92%;
        min-height: auto;
        padding: 35px 0 50px;
    }

    .hero h1 {
        font-size: 42px;
        letter-spacing: -1.5px;
    }

    .hero-description {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 18px;
    }

    .primary-button {
        width: 100%;
        max-width: 280px;
    }

    .hero-right {
        width: 285px;
        height: 285px;
    }

    .orbit-one {
        width: 285px;
        height: 285px;
    }

    .orbit-two {
        width: 210px;
        height: 210px;
        top: 38px;
        left: 38px;
    }

    .experience-card {
        width: 200px;
        height: 235px;
        left: 43px;
        top: 25px;
        padding: 25px;
    }

    .experience-top {
        font-size: 52px;
    }

    .experience-title {
        font-size: 12px;
    }

    .experience-card p {
        font-size: 11px;
    }

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

    .credibility-item {
        padding: 22px 10px;
    }

    section {
        padding: 70px 0;
    }

    .section-container,
    .why-container,
    .contact-container {
        width: 92%;
    }

    .section-intro h2,
    .services-heading h2,
    .why-heading h2,
    .connectivity-box h2,
    .contact h2 {
        font-size: 34px;
    }

    .services-heading {
        display: block;
        margin-bottom: 35px;
    }

    .services-heading > p {
        margin-top: 20px;
    }

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

    .connectivity-box {
        padding: 35px 25px;
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}