/* ============================================
    DESIGN SYSTEM — DALMAR CITY BUS
============================================ */
:root {
    --primary:     #0a3d8f;
    --primary-dark:#062a6e;
    --primary-light:#1a5abf;
    --accent:      #f5a623;
    --accent-dark: #d4891a;
    --green:      #15db51;
    --green-dark: #2fa500;
    --text-dark:   #0d1b2e;
    --text-mid:    #4a5568;
    --text-light:  #8a97a8;
    --bg-light:    #f7f9fc;
    --bg-dark:     #0d1b2e;
    --white:       #ffffff;
    --card-bg:     #ffffff;
    --border:      #e2e8f0;
    --shadow-sm:   0 2px 8px rgba(0,0,0,.08);
    --shadow-md:   0 8px 30px rgba(0,0,0,.12);
    --shadow-lg:   0 20px 60px rgba(0,0,0,.2);
    --radius-sm:   8px;
    --radius-md:   16px;
    --radius-lg:   24px;
    --transition:  all .3s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

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

.section-title {
    text-align: center;
    margin-bottom: 60px;
}
.section-title .subtitle {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent), #ffd080);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 12px;
    font-family: 'Outfit', sans-serif;
}
.section-title h2 {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.2;
}
.section-title h2 span { color: var(--primary); }
.section-title p {
    margin-top: 16px;
    font-size: 16px;
    color: var(--text-mid);
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(10,61,143,.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(10,61,143,.45);
    color: var(--white);
}

.btn-accent {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--white);
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(245,166,35,.3);
}
.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(245,166,35,.45);
    color: var(--white);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--white);
    padding: 13px 31px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    border: 2px solid rgba(255,255,255,.5);
    cursor: pointer;
    transition: var(--transition);
}
.btn-outline:hover {
    background: rgba(255,255,255,.1);
    border-color: var(--white);
    color: var(--white);
}

/* ============ TOP BAR ============ */
.topbar {
    background: var(--accent);
    color: #fff;
    font-size: 13px;
    padding: 8px 0;
}
.topbar .topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.topbar-contacts {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}
.topbar-contacts a, .topbar-contacts span {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #fff;
    font-size: 13px;
    transition: var(--transition);
}
.topbar-contacts a:hover { color: var(--green-dark); }
.topbar-contacts i { color: #fff; font-size: 12px; }
.topbar-social {
    display: flex;
    gap: 12px;
    align-items: center;
}
.topbar-social a {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: rgba(255,255,255,.1);
    display: flex; align-items: center; justify-content: center;
    color: var(--white);
    font-size: 12px;
    transition: var(--transition);
}
.topbar-social a:hover { background: var(--green-dark); transform: translateY(-2px); }

/* ============ NAVBAR ============ */
.navbar {
    background: var(--white);
    box-shadow: 0 2px 20px rgba(0,0,0,.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}
.navbar.scrolled {
    box-shadow: 0 4px 30px rgba(0,0,0,.15);
}
.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}
.navbar-brand img {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    object-fit: cover;
}
.brand-text .brand-name {
    font-family: 'Outfit', sans-serif;
    font-size: 20px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}
.brand-text .brand-tagline {
    font-size: 11px;
    color: var(--text-light);
    font-weight: 400;
    margin-top: 2px;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-links a {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 14px;
    color: var(--text-dark);
    transition: var(--transition);
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 4px; left: 16px; right: 16px;
    height: 2px;
    background: var(--accent-dark);
    border-radius: 2px;
    transform: scaleX(0);
    transition: transform .3s ease;
}
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.nav-links .nav-portal {
    background: var(--primary);
    color: var(--white) !important;
    border-radius: 50px;
    padding: 10px 22px;
}
.nav-links .nav-portal::after { display: none; }
.nav-links .nav-portal:hover {
    background: var(--primary-light);
    color: var(--white) !important;
    transform: translateY(-1px);
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
}
.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}