/* =========================
   BASE / TOKENS
========================= */
:root {
    --text: #111827;
    --muted: #6b7280;
    --bg: #f7f9fc;
    --card: #ffffff;
    --accent: #2563eb;
    --accent-2: #0ea5e9;
    --radius: 16px;
    --shadow-sm: 0 2px 10px rgba(0,0,0,.06);
    --shadow-md: 0 10px 25px rgba(0,0,0,.08);
}

/* =========================
   GENERAL STYLES
========================= */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
}

body {
    font-family: "Inter","Segoe UI",system-ui,-apple-system,Arial,sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* =========================
   NAVBAR
========================= */
nav {
    background: var(--card);
    border-bottom: 1px solid #eef0f4;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: auto;
    padding: 0.8rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a {
    display: flex;
    align-items: center;
    font-weight: bold;
    text-decoration: none;
    color: var(--text);
    font-size: 1rem;
    transition: color 0.3s ease;
}

.logo {
    height: 40px;
    margin-right: 0.5rem;
    border-radius: 100px;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    position: relative;
    padding-bottom: 3px;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    height: 2px;
    width: 0%;
    background: var(--accent);
    transition: width 0.3s ease;
}

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

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

/* =========================
   NAVBAR TOGGLER (MOBILE)
========================= */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 28px;
    height: 28px;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    height: 3px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* =========================
   PAGE TITLE / BREADCRUMB
========================= */
.page-title {
    background:
        radial-gradient(1200px 300px at 10% 0%, rgba(37,99,235,.10), transparent 60%),
        radial-gradient(900px 260px at 90% 10%, rgba(14,165,233,.12), transparent 60%),
        #f4f7ff;
    padding: 72px 0 56px;
    border-bottom: 1px solid #e9ecf3;
    text-align: center;
}

/* Page Title Fade-In Animation */
.page-title h1,
.page-title p {
    opacity: 0;
    transform: translateY(-20px);
    animation: fadeInUp 0.8s forwards;
    animation-delay: 0.2s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-title h1 {
    font-size: 2.5rem;
    line-height: 1.2;
    font-weight: 800;
    margin-bottom: 10px;
    letter-spacing: .2px;
}

.page-title p {
    color: var(--muted);
    font-size: .95rem;
}

.page-title p a {
    color: var(--accent);
    text-decoration: none;
}

.page-title p a:hover {
    text-decoration: underline;
}

/* =========================
   SERVICES SECTION
========================= */
.services {
    padding: 80px 0;
}

.services .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.services .section-header h2 {
    font-size: 2.25rem;
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.services .section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    border-radius: 2px;
}

.services .section-header p {
    color: var(--muted);
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.05rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

/* Service Card Animation */
.service-card {
    background: var(--card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid #eef0f4;

    /* Scroll Reveal Animation */
    opacity: 0;
    transform: translateY(20px);
}

/* Hover Animation */
.service-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-md);
}

/* Reveal on Scroll Class */
.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-image-container {
    height: 240px;
    overflow: hidden;
}

.service-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-image-container img {
    transform: scale(1.05);
}

.service-content {
    padding: 24px;
}

.service-content h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--text);
}

.service-content p {
    color: var(--muted);
    margin-bottom: 16px;
    line-height: 1.6;
}

.service-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
}

.service-link:hover {
    color: var(--accent-2);
}

.service-link::after {
    content: '→';
    margin-left: 8px;
    transition: margin 0.3s ease;
}

.service-link:hover::after {
    margin-left: 12px;
}

/* =========================
   FOOTER
========================= */
footer {
    background: #0f172a;
    color: #cbd5e1;
    margin-top: 40px;
}

footer .footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 32px;
    padding: 48px 24px;
}

footer h3 {
    color: #fff;
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
    padding-bottom: 8px;
}

footer h3::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    height: 2px;
    width: 56px;
    background: linear-gradient(90deg,var(--accent),var(--accent-2));
    border-radius: 2px;
}

footer p, footer a, footer li {
    font-size: .95rem;
}

footer a {
    color: #cbd5e1;
    text-decoration: none;
}

footer a:hover {
    color: #93c5fd;
}

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

footer ul li {
    margin: 8px 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    text-align: center;
    padding: 16px 24px;
    color: #94a3b8;
}

/* WhatsApp Chat Floating Button */
.whatsapp-chat {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    background-color: #2563eb;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0px 4px 10px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
}

.whatsapp-chat img {
    width: 50px;
    height: 50px;
}

.whatsapp-chat:hover {
    transform: scale(1.1);
    background-color: #0ea5e9;
}

/* =========================
   RESPONSIVE
========================= */

/* Tablet: 601px - 1024px */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2,1fr);
        gap: 24px;
    }

    .page-title h1 {
        font-size: 2rem;
    }

    .page-title p {
        font-size: 0.9rem;
    }

    .nav-container {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Mobile: up to 600px */
@media (max-width: 600px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .service-image-container {
        height: 180px;
    }

    .services .section-header h2 {
        font-size: 1.6rem;
    }

    .services .section-header p {
        font-size: 0.95rem;
        padding: 0 12px;
    }

    .nav-container {
        flex-direction: column;
        align-items: flex-start;
        padding: 0.5rem 1rem;
    }

    .nav-links {
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        display: none; /* hidden by default for toggle */
    }

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

    .nav-link {
        width: 100%;
        padding: 0.5rem 0;
    }

    .page-title {
        padding: 56px 0 40px;
    }

    .page-title h1 {
        font-size: 1.8rem;
    }

    footer .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 24px;
    }

    .footer-bottom {
        font-size: 0.85rem;
    }
}

/* Small Mobile: up to 480px */
@media (max-width: 480px) {
    .service-image-container {
        height: 160px;
    }

    .services .section-header h2 {
        font-size: 1.4rem;
    }

    .services .section-header p {
        font-size: 0.9rem;
    }
}