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

:root {
    --color-primary: #153268;
    --color-secondary: #0A706A;
    --color-accent: #D31224;
    --color-text-main: #1E293B;
    --color-text-muted: #64748B;
    --color-bg-light: #FFFFFF;
    --color-bg-alt: #F8FAFC;
    --color-border: #E2E8F0;

    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    --shadow-sm: 0 2px 4px rgba(21, 50, 104, 0.04);
    --shadow-md: 0 10px 30px rgba(21, 50, 104, 0.06);
    --shadow-hover: 0 20px 40px rgba(21, 50, 104, 0.12);

    --radius-sm: 4px;
    --radius-md: 8px;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-main);
    background-color: var(--color-bg-light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3.5rem; font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: 2.25rem; font-weight: 600; letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; font-weight: 600; color: var(--color-text-main); }
p { margin-bottom: var(--spacing-sm); color: var(--color-text-muted); }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section { padding: var(--spacing-xl) 0; }
.section-alt { background-color: var(--color-bg-alt); }
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    position: relative;
    display: inline-block;
    padding-bottom: var(--spacing-xs);
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--color-accent);
    border-radius: 2px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: #ffffff;
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.card {
    background-color: var(--color-bg-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}

.card-icon {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: rgba(10, 112, 106, 0.05);
    border-radius: var(--radius-md);
}

.card-icon svg { width: 30px; height: 30px; }
.card-title { margin-bottom: var(--spacing-xs); }
.card-text { flex-grow: 1; margin-bottom: 0; }

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
}

.logo span {
    color: var(--color-secondary);
    margin-left: 4px;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-text-main);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--color-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-normal);
}

.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.menu-toggle {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    padding: var(--spacing-xs);
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-primary);
    margin: 5px 0;
    transition: var(--transition-fast);
}

.hero {
    padding-top: 160px;
    padding-bottom: var(--spacing-xl);
    background-color: var(--color-primary);
    background-image: linear-gradient(to right, rgba(21, 50, 104, 0.9), rgba(21, 50, 104, 0.7)), url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&q=80&w=1920');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    min-height: 85vh;
    position: relative;
    overflow: hidden;
}

.hero-page {
    min-height: 40vh;
    padding-top: 160px;
    padding-bottom: 4rem;
    align-items: flex-start;
    background-image: linear-gradient(to right, rgba(21, 50, 104, 0.95), rgba(21, 50, 104, 0.85)), url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&q=80&w=1920');
    background-size: cover;
    background-position: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -5%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(10, 112, 106, 0.05) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    z-index: 0;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero-page .hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1, .hero h2, .hero p {
    color: #ffffff !important;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    max-width: 650px;
}

.hero .btn-secondary {
    border-color: #ffffff;
    color: #ffffff;
}

.hero .btn-secondary:hover {
    background-color: #ffffff;
    color: var(--color-primary);
}

.hero .btn-white {
    background-color: #ffffff;
    color: var(--color-primary);
    border-color: #ffffff;
}

.hero .btn-white:hover {
    background-color: transparent;
    color: #ffffff;
}

.hero-page p {
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 0;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: 2rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.form-group { margin-bottom: var(--spacing-sm); }
.form-label { display: block; font-weight: 500; margin-bottom: 0.5rem; color: var(--color-text-main); }
.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text-main);
    background-color: var(--color-bg-light);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control::placeholder { color: #94A3B8; }
.form-control:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(10, 112, 106, 0.1);
}

textarea.form-control { resize: vertical; min-height: 150px; }

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: var(--color-bg-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.contact-info-icon {
    color: var(--color-secondary);
    background-color: rgba(10, 112, 106, 0.1);
    padding: 12px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-info-content h4 { margin-bottom: 0.25rem; font-size: 1.1rem; }
.contact-info-content p { margin-bottom: 0; }

.footer {
    background-color: var(--color-primary);
    background-image: linear-gradient(rgba(21, 50, 104, 0.95), rgba(21, 50, 104, 0.98)), url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&q=80&w=1920');
    background-size: cover;
    background-position: center;
    color: #ffffff;
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-col h4 {
    color: #ffffff;
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--color-secondary);
}

.footer-col p { color: #CBD5E1; }
.footer-col a { color: #CBD5E1; transition: color var(--transition-fast); }
.footer-col a:hover { color: #ffffff; text-decoration: none; }
.footer-links li { margin-bottom: var(--spacing-xs); }
.footer-logo { margin-bottom: var(--spacing-sm); }
.footer-logo .logo { color: #ffffff; }
.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #94A3B8;
    font-size: 0.875rem;
}

/* --- Images & Layout --- */
.custom-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.custom-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--color-text-main);
    line-height: 1.6;
}

.custom-list li::before {
    content: '▶';
    position: absolute;
    left: 0;
    top: 2px;
    color: var(--color-secondary);
    font-size: 0.8rem;
}

.service-block {
    display: grid;
    grid-template-columns: 80px 1fr 1fr;
    gap: 2rem;
    margin-bottom: 4rem;
    align-items: start;
    background: var(--color-bg-light);
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.service-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-secondary);
    font-family: var(--font-heading);
    line-height: 1;
}

.service-content h2 {
    font-size: 2.25rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.service-image-container img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
}

.about-header-centered {
    text-align: center;
    color: var(--color-primary);
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-family: var(--font-heading);
    font-weight: 600;
}

.about-content-right h3 {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    font-family: var(--font-heading);
}

.about-quote {
    border-left: 4px solid var(--color-secondary);
    padding-left: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 600;
    color: var(--color-primary);
    font-size: 1.1rem;
    line-height: 1.6;
}

.about-text {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.service-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.service-image-circle {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 50%;
    margin: 0 auto 1.5rem auto;
    box-shadow: var(--shadow-sm);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.about-image {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    width: 100%;
    height: auto;
    object-fit: cover;
}

.bg-pattern {
    background-color: #f8fafc;
    background-image: none;
}

/* Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 992px) {
    .service-block {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .service-number {
        font-size: 2.5rem;
        margin-bottom: -1rem;
    }
    :root { --spacing-xl: 4rem; --spacing-lg: 3rem; }
    h1 { font-size: 2.75rem; }
    h2 { font-size: 2rem; }
    .hero { min-height: 60vh; padding-top: 140px; }
    .hero-page { min-height: auto; padding-top: 140px; }
    .contact-grid { grid-template-columns: 1fr; gap: var(--spacing-lg); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    :root { --spacing-xl: 3rem; --spacing-md: 1.5rem; }
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.75rem; }
    .header-container { height: 70px; }
    .hero, .hero-page { padding-top: 120px; }
    .hero-actions { flex-direction: column; width: 100%; }
    .hero-actions .btn { width: 100%; }
    .menu-toggle { display: block; }
    .nav-menu {
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--color-bg-light);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        gap: var(--spacing-sm);
        transform: translateY(-150%);
        opacity: 0;
        transition: all var(--transition-normal);
        z-index: -1;
    }
    .nav-menu.active { transform: translateY(0); opacity: 1; }
    .nav-link {
        display: block;
        width: 100%;
        text-align: center;
        padding: var(--spacing-sm) 0;
        border-bottom: 1px solid var(--color-border);
    }
    .nav-link::after { display: none; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-col h4::after { left: 50%; transform: translateX(-50%); }
    .footer-logo .logo { justify-content: center; }
    .contact-info-item { flex-direction: column; align-items: center; text-align: center; }
}