/* =====================================================
   ELITE LOGISTICS - Premium Blue & White Theme
   ===================================================== */

:root {
    /* Premium Blue & White Theme */
    --color-primary: #1E3A5F;
    --color-secondary: #2E5A8F;
    --color-accent: #3B82F6;
    --color-accent-hover: #2563EB;
    --color-highlight: #60A5FA;
    --color-background: #FFFFFF;
    --color-surface: #F8FAFC;
    --color-text: #1E293B;
    --color-text-light: #64748B;
    --color-border: #E2E8F0;

    /* A-Class Premium Font System */
    --font-display: 'Sora', sans-serif;
    --font-heading: 'Sora', sans-serif;
    --font-body: 'Manrope', sans-serif;
    --font-accent: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --section-padding: 100px;
    --container-width: 1400px;
    --container-padding: 24px;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --shadow-sm: 0 2px 8px rgba(30, 58, 95, 0.08);
    --shadow-md: 0 4px 16px rgba(30, 58, 95, 0.12);
    --shadow-lg: 0 8px 32px rgba(30, 58, 95, 0.16);
    --shadow-xl: 0 16px 48px rgba(30, 58, 95, 0.2);
    --shadow-accent: 0 8px 24px rgba(59, 130, 246, 0.3);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; }
h3 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 600; }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); font-weight: 600; }
h5 { font-size: 1.1rem; font-weight: 600; }
h6 { font-size: 1rem; font-weight: 600; }

p {
    margin-bottom: 1rem;
    color: var(--color-text-light);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: all 0.2s ease;
}

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

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

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

.section {
    padding: var(--section-padding) 0;
}

.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }
.font-display { font-family: var(--font-display); font-weight: 700; }
.font-mono { font-family: var(--font-mono); }

::selection {
    background: var(--color-accent);
    color: white;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-surface); }
::-webkit-scrollbar-thumb { background: var(--color-accent); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--color-accent-hover); }

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}