:root {
    --navy-900: #081425;
    --navy-800: #0d2038;
    --navy-700: #16304f;
    --accent: #0ea5a4;
    --accent-dark: #0b8584;
    --accent-soft: #e3f6f5;
    --text: #1c2a3a;
    --muted: #5b6b7d;
    --line: #dfe6ee;
    --bg: #ffffff;
    --bg-alt: #f4f7fa;
    --danger: #c0392b;
    --radius: 12px;
    --shadow: 0 8px 24px rgba(8, 20, 37, 0.08);
    --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 84px;
}

body {
    margin: 0;
    font-family: var(--font);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
}

h1,
h2,
h3 {
    margin: 0 0 0.6em;
    line-height: 1.2;
    color: var(--navy-900);
}

h1 {
    font-size: clamp(2.1rem, 5vw, 3.4rem);
}

h2 {
    font-size: clamp(1.6rem, 3.2vw, 2.2rem);
}

h3 {
    font-size: 1.1rem;
}

p {
    margin: 0 0 1em;
}

a {
    color: var(--accent-dark);
}

img {
    max-width: 100%;
}

.container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-narrow {
    max-width: 820px;
}

.muted {
    color: var(--muted);
}

.eyebrow {
    margin-bottom: 0.8em;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-dark);
}

/* Icons */
.icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.icon-badge {
    width: 48px;
    height: 48px;
    padding: 12px;
    border-radius: 12px;
    color: var(--accent-dark);
    background: var(--accent-soft);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8em 1.5em;
    border: 2px solid transparent;
    border-radius: 8px;
    font: inherit;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}

.btn-primary {
    color: #fff;
    background: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-dark);
}

.btn-ghost {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.45);
}

.btn-ghost:hover {
    border-color: #fff;
}

.btn-outline {
    color: var(--navy-800);
    border-color: var(--line);
    background: #fff;
}

.btn-outline:hover {
    border-color: var(--navy-800);
}

.btn-danger {
    color: var(--danger);
    border-color: var(--line);
    background: #fff;
}

.btn-danger:hover {
    border-color: var(--danger);
}

.btn-small {
    padding: 0.5em 1em;
    font-size: 0.9rem;
}

.btn-block {
    width: 100%;
}

.text-link {
    font-weight: 600;
    text-decoration: none;
}

.text-link::after {
    content: " \2192";
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: #fff;
    border-bottom: 1px solid var(--line);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 72px;
}

.logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    display: block;
    height: 44px;
    width: auto;
}

.logo-text {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--navy-900);
}

.logo-text span {
    color: var(--accent);
}

.logo-text-light {
    color: #fff;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.site-nav a:not(.btn) {
    font-weight: 600;
    color: var(--navy-800);
    text-decoration: none;
}

.site-nav a:not(.btn):hover {
    color: var(--accent-dark);
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 10px;
    border: 0;
    background: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    height: 2px;
    margin: 5px 0;
    background: var(--navy-900);
}

/* Hero */
.hero {
    padding: 88px 0 96px;
    color: #d5dfeb;
    background:
        radial-gradient(circle at 85% 15%, rgba(14, 165, 164, 0.28), transparent 45%),
        linear-gradient(135deg, var(--navy-900), var(--navy-700));
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 56px;
    align-items: center;
}

.hero h1 {
    color: #fff;
}

.hero .eyebrow {
    color: #5eead4;
}

.lead {
    max-width: 36em;
    font-size: 1.15rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.hero-card {
    padding: 28px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.06);
}

.hero-card-title {
    font-weight: 700;
    color: #fff;
}

.hero-card ul,
.check-list,
.contact-details,
.site-footer ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.hero-card li,
.check-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 0;
}

.hero-card .icon,
.check-list .icon {
    color: #5eead4;
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-alt {
    background: var(--bg-alt);
}

.section-dark {
    color: #d5dfeb;
    background: var(--navy-900);
}

.section-dark h2 {
    color: #fff;
}

.section-dark .eyebrow {
    color: #5eead4;
}

.section-head {
    max-width: 700px;
    margin: 0 auto 44px;
    text-align: center;
}

.section-head p:last-child {
    color: var(--muted);
}

/* Cards */
.card {
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
}

.card-grid {
    display: grid;
    gap: 24px;
}

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

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

.card .icon-badge {
    margin-bottom: 18px;
}

.card p:last-child {
    margin-bottom: 0;
}

.pillars {
    padding: 0 0 80px;
}

.pillars .card-grid {
    margin-top: -48px;
}

.pillar {
    box-shadow: var(--shadow);
}

.pillar-name {
    margin-bottom: 0.2em;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-dark);
}

.pillar h2 {
    font-size: 1.35rem;
}

.pillar p,
.service p,
.step p {
    color: var(--muted);
}

/* Why us */
.why-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 56px;
    align-items: center;
}

.check-list {
    margin-top: 20px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 0;
}

.stat {
    padding: 28px 24px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius);
    background: var(--navy-800);
}

.stat dt {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.1;
    color: #5eead4;
}

.stat dd {
    margin: 6px 0 0;
}

/* Process */
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.step {
    padding-top: 20px;
    border-top: 3px solid var(--accent);
}

.step-number {
    display: block;
    margin-bottom: 8px;
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
    color: var(--accent);
}

/* FAQ */
.faq-list {
    display: grid;
    gap: 12px;
}

.faq {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
}

.faq summary {
    position: relative;
    padding: 18px 52px 18px 22px;
    font-weight: 600;
    color: var(--navy-900);
    cursor: pointer;
    list-style: none;
}

.faq summary::-webkit-details-marker {
    display: none;
}

.faq summary::after {
    content: "+";
    position: absolute;
    top: 50%;
    right: 22px;
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--accent-dark);
    transform: translateY(-50%);
}

.faq[open] summary::after {
    content: "\2212";
}

.faq p {
    margin: 0;
    padding: 0 22px 20px;
    color: var(--muted);
}

/* Contact and forms */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 56px;
    align-items: start;
}

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

.contact-details li {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-details strong {
    display: block;
    color: var(--navy-900);
}

.form-card {
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.field {
    margin-bottom: 16px;
}

.field label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--navy-900);
}

.optional {
    font-weight: 400;
    color: var(--muted);
}

.field input,
.field textarea {
    width: 100%;
    padding: 0.7em 0.85em;
    border: 1px solid #c6d1dd;
    border-radius: 8px;
    font: inherit;
    color: var(--text);
    background: #fff;
}

.field input:focus,
.field textarea:focus {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
    border-color: var(--accent);
}

.field textarea {
    resize: vertical;
}

.field-error {
    display: block;
    margin-top: 4px;
    font-size: 0.87rem;
    color: var(--danger);
}

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

.alert {
    margin-bottom: 18px;
    padding: 14px 16px;
    border-radius: 8px;
}

.alert ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.alert-success {
    color: #0b5e4f;
    background: var(--accent-soft);
}

.alert-error {
    color: var(--danger);
    background: #fdecea;
}

.alert-error.validation-summary-valid {
    display: none;
}

/* Footer */
.site-footer {
    padding-top: 56px;
    color: #a9b8c9;
    background: var(--navy-900);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
}

.site-footer h3 {
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #fff;
}

.site-footer li {
    margin-bottom: 8px;
}

.site-footer a {
    color: inherit;
    text-decoration: none;
}

.site-footer a:hover {
    color: #fff;
}

.site-footer p {
    margin-top: 12px;
}

.footer-bottom {
    margin-top: 40px;
    padding-top: 20px;
    padding-bottom: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

/* Admin */
.admin {
    background: var(--bg-alt);
}

.admin-main {
    padding: 40px 0 64px;
}

.admin-main h1 {
    font-size: 1.8rem;
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--muted);
}

.login-wrap {
    max-width: 440px;
    padding-top: 40px;
}

.message {
    margin-bottom: 16px;
}

.message-unread {
    border-left: 4px solid var(--accent);
}

.message-head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
}

.message-contact {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin: 6px 0 12px;
}

.message-body {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.message-actions {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

/* Responsive */
@media (max-width: 1024px) {
    .card-grid-4,
    .steps {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 860px) {
    .nav-toggle {
        display: block;
    }

    .site-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 8px 20px 20px;
        border-bottom: 1px solid var(--line);
        background: #fff;
    }

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

    .site-nav a:not(.btn) {
        padding: 12px 0;
        border-bottom: 1px solid var(--line);
    }

    .site-nav .btn {
        margin-top: 16px;
    }

    .hero {
        padding: 56px 0 88px;
    }

    .hero-grid,
    .why-grid,
    .contact-grid,
    .card-grid-3 {
        grid-template-columns: 1fr;
    }

    .hero-grid,
    .why-grid,
    .contact-grid {
        gap: 36px;
    }

    .section {
        padding: 56px 0;
    }

    .pillars {
        padding: 0 0 56px;
    }
}

@media (max-width: 560px) {
    .card-grid-4,
    .steps,
    .form-row,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        gap: 0;
    }

    .admin-user span {
        display: none;
    }
}