:root {
    --blue: #1769aa;
    --blue-dark: #0d477a;
    --navy: #082d4d;
    --light-blue: #eaf4fc;
    --ink: #172838;
    --muted: #607184;
    --light: #f5f8fb;
    --white: #ffffff;
    --border: #dfe7ee;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    color: var(--ink);
    line-height: 1.7;
}

img {
    display: block;
    width: 100%;
}

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

button, input, select, textarea {
    font: inherit;
}

.logo {
    width: 150px;
    height: auto;
    object-fit: contain;
}

.container {
    width: min(1160px, 90%);
    margin: auto;
}

section {
    scroll-margin-top: 85px;
}

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: white;
    border-bottom: 1px solid var(--border);
}

.navigation {
    min-height: 84px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
}

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

.logo-mark {
    background: var(--blue);
    color: white;
    font-weight: 900;
    font-size: 20px;
    padding: 10px;
    border-radius: 7px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.4;
}

.logo-text strong {
    font-size: 13px;
    letter-spacing: .4px;
}

.logo-text small {
    color: var(--muted);
    font-size: 12px;
}

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

.nav-links a {
    font-size: 14px;
    font-weight: 600;
    transition: color .2s;
}

.nav-links a:hover {
    color: var(--blue);
}

.nav-links .nav-button {
    background: var(--blue);
    color: white;
    padding: 11px 17px;
    border-radius: 5px;
}

.nav-links .nav-button:hover {
    background: var(--blue-dark);
    color: white;
}

.menu-toggle {
    display: none;
    border: none;
    background: transparent;
    color: var(--ink);
    font-size: 28px;
    cursor: pointer;
}

/* Buttons */

.button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding: 13px 20px;
    border: 1px solid transparent;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: .2s ease;
}

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

.button-primary {
    background: var(--blue);
    color: white;
}

.button-primary:hover {
    background: var(--blue-dark);
}

.button-outline {
    color: white;
    border-color: rgba(255,255,255,.6);
}

.button-outline:hover {
    background: rgba(255,255,255,.12);
}

.button-light {
    background: white;
    color: var(--blue-dark);
}

/* Hero */

.hero {
    position: relative;
    min-height: 610px;
    display: flex;
    align-items: center;
    color: white;
    background:
        url("https://images.unsplash.com/photo-1504307651254-35680f356dfd?auto=format&fit=crop&w=2000&q=90")
        center / cover no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        rgba(5, 28, 48, .93),
        rgba(5, 37, 65, .76),
        rgba(5, 37, 65, .30)
    );
}

.hero-content {
    position: relative;
    padding-top: 80px;
    padding-bottom: 80px;
}

.eyebrow {
    color: var(--blue);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 2px;
}

.light-eyebrow {
    color: #9bd1ff;
}

.hero .eyebrow {
    color: #9bd1ff;
}

.hero h1 {
    margin: 20px 0;
    max-width: 800px;
    font-size: clamp(38px, 6vw, 70px);
    line-height: 1.12;
    letter-spacing: -2px;
}

.hero h1 span {
    color: #83c6ff;
}

.hero-content > p {
    max-width: 600px;
    margin-bottom: 28px;
    color: rgba(255,255,255,.83);
    font-size: 17px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-location {
    margin-top: 30px;
    font-size: 13px;
    color: #d7e9f8;
}

/* Highlights */

.highlights {
    background: var(--light);
    border-bottom: 1px solid var(--border);
}

.highlight-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    padding: 27px 0;
}

.highlight {
    padding: 5px 25px;
    border-right: 1px solid var(--border);
}

.highlight:first-child {
    padding-left: 0;
}

.highlight:last-child {
    border-right: none;
}

.highlight h3 {
    color: var(--blue);
    font-size: 23px;
    line-height: 1.4;
}

.highlight p {
    color: var(--muted);
    font-size: 13px;
}

/* General sections */

.section {
    padding: 95px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 70px;
}

.about-image img {
    height: 460px;
    object-fit: cover;
    border-radius: 5px;
}

.about-content h2,
.contact-info h2 {
    margin: 15px 0 20px;
    font-size: clamp(30px, 4vw, 44px);
    line-height: 1.2;
    letter-spacing: -1.5px;
}

.about-content h2 span {
    color: var(--blue);
}

.about-content p,
.contact-info > p {
    margin-bottom: 16px;
    color: var(--muted);
    font-size: 15px;
}

.check-list {
    list-style: none;
    margin: 22px 0;
}

.check-list li {
    margin-bottom: 10px;
    padding-left: 28px;
    position: relative;
    font-size: 14px;
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--blue);
    font-weight: bold;
}

.text-link {
    display: inline-block;
    margin-top: 8px;
    color: var(--blue);
    font-weight: 700;
    font-size: 14px;
}

.text-link:hover {
    color: var(--blue-dark);
}

/* Services */

.services-section {
    background: var(--light);
}

.section-heading {
    max-width: 680px;
    margin: 0 auto 42px;
    text-align: center;
}

.section-heading h2 {
    margin: 12px 0;
    font-size: clamp(32px, 4vw, 43px);
    letter-spacing: -1px;
}

.section-heading p {
    color: var(--muted);
    font-size: 15px;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 23px;
}

.service-card {
    overflow: hidden;
    background: white;
    border: 1px solid var(--border);
    border-radius: 7px;
    transition: transform .25s, box-shadow .25s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(15, 47, 75, .10);
}

.service-card > img {
    height: 220px;
    object-fit: cover;
}

.service-content {
    padding: 25px;
}

.service-number {
    color: var(--blue);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1px;
}

.service-content h3 {
    margin: 10px 0 12px;
    font-size: 21px;
    line-height: 1.35;
}

.service-content p {
    color: var(--muted);
    font-size: 14px;
}

.service-content ul {
    margin: 18px 0;
    padding-left: 20px;
    color: #415469;
    font-size: 13px;
}

.service-content li {
    margin-bottom: 6px;
}

/* Why choose us */

.why-us {
    padding: 85px 0;
    background: var(--navy);
    color: white;
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}

.why-grid h2 {
    margin: 18px 0;
    font-size: clamp(30px, 4vw, 43px);
    line-height: 1.2;
}

.why-grid > div:first-child > p {
    margin-bottom: 25px;
    color: rgba(255,255,255,.72);
}

.process-list {
    border-top: 1px solid rgba(255,255,255,.2);
}

.process-item {
    display: flex;
    gap: 20px;
    padding: 22px 0;
    border-bottom: 1px solid rgba(255,255,255,.2);
}

.process-item > span {
    color: #8acbff;
    font-size: 17px;
    font-weight: 800;
}

.process-item h3 {
    margin-bottom: 5px;
    font-size: 17px;
}

.process-item p {
    color: rgba(255,255,255,.7);
    font-size: 14px;
}

/* Contact */

.contact-grid {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    align-items: start;
    gap: 65px;
}

.contact-details {
    display: grid;
    gap: 20px;
    margin: 28px 0;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.contact-icon {
    display: grid;
    place-items: center;
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 6px;
    color: var(--blue);
    background: var(--light-blue);
    font-size: 19px;
}

.contact-item small {
    display: block;
    color: var(--muted);
    font-size: 12px;
}

.contact-item a,
.contact-item p {
    overflow-wrap: anywhere;
    font-size: 14px;
    font-weight: 700;
}

.whatsapp-link {
    display: inline-block;
    color: #168b51;
    font-weight: 700;
    font-size: 14px;
}

.registration {
    padding-top: 20px;
    margin-top: 25px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--muted);
}

.registration strong {
    color: var(--ink);
}

/* Form */

.form-box {
    padding: 32px;
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 12px 35px rgba(10, 40, 70, .06);
}

.form-box h3 {
    margin-bottom: 7px;
    font-size: 27px;
}

.form-box > p {
    margin-bottom: 23px;
    color: var(--muted);
    font-size: 13px;
}

.form-box form {
    display: grid;
    gap: 9px;
}

.form-box label {
    margin-top: 7px;
    font-size: 13px;
    font-weight: 700;
}

.form-box input,
.form-box select,
.form-box textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #d5dfe8;
    border-radius: 5px;
    background: #fbfcfd;
    outline: none;
    font-size: 14px;
}

.form-box input:focus,
.form-box select:focus,
.form-box textarea:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(23, 105, 170, .1);
}

.form-box textarea {
    resize: vertical;
}

.submit-button {
    width: 100%;
    margin-top: 12px;
}

.form-note {
    margin-top: 7px;
    color: var(--muted);
    font-size: 11px;
    text-align: center;
}

.hidden-field {
    position: absolute;
    left: -9999px;
}

/* Footer */

.footer {
    background: #061f35;
    color: white;
}

.footer-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
    padding-top: 35px;
    padding-bottom: 35px;
}

.footer-logo .logo-text strong {
    color: white;
}

.footer-logo .logo-text small {
    color: #aab9c7;
}

.footer-top > p {
    color: #bdcbd7;
    font-size: 13px;
}

.back-top {
    color: #9bd1ff;
    font-size: 13px;
    font-weight: 700;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    padding-top: 17px;
    padding-bottom: 17px;
    border-top: 1px solid rgba(255,255,255,.15);
    color: #aab9c7;
    font-size: 11px;
}

/* WhatsApp floating button */

.floating-whatsapp {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 90;
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #20a464;
    box-shadow: 0 7px 22px rgba(0,0,0,.2);
}

.floating-whatsapp svg {
    width: 29px;
    height: 29px;
    fill: white;
}

/* Tablet and mobile */

@media (max-width: 900px) {
    .navigation {
        min-height: 75px;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        padding: 15px 5% 22px;
        background: white;
        border-top: 1px solid var(--border);
        box-shadow: 0 12px 20px rgba(0,0,0,.08);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        padding: 12px 0;
    }

    .nav-links .nav-button {
        text-align: center;
        padding: 11px;
    }

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

    .about-image img {
        height: 370px;
    }

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

    .service-card:last-child {
        grid-column: 1 / -1;
    }

    .service-card:last-child > img {
        height: 260px;
    }

    .section {
        padding: 70px 0;
    }
}

@media (max-width: 560px) {
    .container {
        width: 90%;
    }

    .logo-text strong {
        font-size: 11px;
    }

    .logo-mark {
        font-size: 17px;
    }

    .hero {
        min-height: 580px;
        background-position: 58% center;
    }

    .hero h1 {
        font-size: 39px;
        letter-spacing: -1.5px;
    }

    .hero-content > p {
        font-size: 15px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-buttons .button {
        text-align: center;
    }

    .highlight-grid {
        grid-template-columns: 1fr;
        gap: 17px;
    }

    .highlight,
    .highlight:first-child {
        padding: 0;
        border: none;
    }

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

    .about-image img {
        height: 290px;
    }

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

    .service-card:last-child {
        grid-column: auto;
    }

    .service-card > img,
    .service-card:last-child > img {
        height: 205px;
    }

    .form-box {
        padding: 22px 17px;
    }

    .footer-top {
        align-items: flex-start;
        flex-direction: column;
    }

    .footer-bottom {
        flex-direction: column;
    }

    .floating-whatsapp {
        right: 14px;
        bottom: 14px;
        width: 51px;
        height: 51px;
    }
}