/* ===========================
   Base & Reset
=========================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --blue-dark:   #0f2240;
    --blue-mid:    #1a3a6b;
    --blue-accent: #1e6fc6;
    --blue-light:  #4a9de0;
    --green:       #2ecc71;
    --text-dark:   #1a1a2e;
    --text-body:   #444;
    --text-muted:  #777;
    --bg-light:    #f5f7fb;
    --bg-white:    #ffffff;
    --border:      #dde4ef;
    --radius:      8px;
    --shadow:      0 4px 24px rgba(15,34,64,0.10);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--text-body);
    line-height: 1.7;
    background: var(--bg-white);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

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

/* ===========================
   Navbar
=========================== */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--blue-dark);
    box-shadow: 0 2px 12px rgba(0,0,0,0.25);
}

.navbar {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

.brand-nw {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--blue-light);
    letter-spacing: -0.5px;
}

.brand-ss {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--green);
    margin-left: -4px;
}

.brand-name {
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 28px;
    align-items: center;
}

.nav-links a {
    color: rgba(255,255,255,0.82);
    font-size: 0.92rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: #fff;
}

.nav-cta {
    background: var(--blue-accent);
    color: #fff !important;
    padding: 8px 20px;
    border-radius: var(--radius);
    font-weight: 600 !important;
    transition: background 0.2s !important;
}

.nav-cta:hover {
    background: var(--blue-light) !important;
}

/* ===========================
   Buttons
=========================== */
.btn {
    display: inline-block;
    padding: 13px 30px;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--blue-light);
    border-color: var(--blue-light);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.55);
}

.btn-secondary:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.08);
}

/* ===========================
   Hero
=========================== */
.hero {
    background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-mid) 60%, #1a4a8a 100%);
    color: #fff;
    padding: 100px 24px 110px;
    text-align: center;
}

.hero-content {
    max-width: 760px;
    margin: 0 auto;
}

.hero-eyebrow {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 18px;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    color: #fff;
    margin-bottom: 22px;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.80);
    max-width: 640px;
    margin: 0 auto 38px;
    line-height: 1.75;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===========================
   Section Shared
=========================== */
.section {
    padding: 88px 0;
}

.section-label {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--blue-accent);
    margin-bottom: 10px;
}

.section h2 {
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 40px;
    line-height: 1.25;
}

/* ===========================
   About
=========================== */
.about {
    background: var(--bg-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text p {
    font-size: 1rem;
    color: var(--text-body);
    margin-bottom: 18px;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.stat {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-left: 4px solid var(--blue-accent);
    border-radius: var(--radius);
    padding: 20px 22px;
}

.stat-value {
    display: block;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--blue-dark);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* ===========================
   Services
=========================== */
.services {
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: box-shadow 0.2s, transform 0.2s;
}

.service-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-3px);
}

.service-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.service-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.service-card p {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ===========================
   Why Us
=========================== */
.why-us {
    background: var(--blue-dark);
    color: #fff;
}

.why-us .section-label {
    color: var(--green);
}

.why-us h2 {
    color: #fff;
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 42px;
}

.why-item {
    border-top: 2px solid rgba(255,255,255,0.12);
    padding-top: 28px;
}

.why-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(255,255,255,0.12);
    line-height: 1;
    margin-bottom: 14px;
}

.why-item h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}

.why-item p {
    font-size: 0.93rem;
    color: rgba(255,255,255,0.70);
    line-height: 1.75;
}

/* ===========================
   Contact
=========================== */
.contact {
    background: var(--bg-white);
}

.contact-intro {
    font-size: 1.02rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 44px;
}

.contact-form {
    max-width: 680px;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.form-group label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    padding: 11px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.97rem;
    font-family: inherit;
    color: var(--text-dark);
    background: var(--bg-white);
    transition: border-color 0.2s;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue-accent);
    box-shadow: 0 0 0 3px rgba(30,111,198,0.12);
}

.btn-submit {
    align-self: flex-start;
    border: none;
    font-family: inherit;
}

.hidden {
    display: none;
}

.form-success {
    color: var(--green);
    font-weight: 600;
    font-size: 0.97rem;
    margin-top: 4px;
}

/* ===========================
   Footer
=========================== */
.footer {
    background: var(--blue-dark);
    color: rgba(255,255,255,0.65);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 48px 24px;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.75);
}

.footer-tagline {
    font-size: 0.78rem !important;
    color: var(--green) !important;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.footer-links {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.65);
    transition: color 0.2s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    text-align: center;
    padding: 18px 24px;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.40);
}

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

    .about-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
}

@media (max-width: 680px) {
    .navbar {
        padding: 0 16px;
    }

    .brand-name {
        display: none;
    }

    .nav-links {
        gap: 16px;
    }

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

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

    .form-row {
        grid-template-columns: 1fr;
    }

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