/* Base variables, reset and utilities */

:root {
    --color-white: #ffffff;
    --color-light-gray: #f8fafc;
    --color-border: #e2e8f0;
    --color-graphite: #334155;
    --color-graphite-dark: #1e293b;
    --color-navy: #0f172a;
    --color-navy-light: #1e293b;
    --color-accent-blue: #2563eb;
    --color-accent-blue-hover: #1d4ed8;
    --color-wood-primary: #9a7b56;
    --color-wood-dark: #654c33;
    --color-wood-light: #b59975;
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Montserrat', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-white);
    color: var(--color-graphite);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
}

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

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

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.section-gray {
    background-color: var(--color-light-gray);
}

.section-dark {
    background-color: var(--color-navy);
    color: var(--color-white);
}

.grid {
    display: grid;
    gap: 32px;
}

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2-split { grid-template-columns: 1.1fr 0.9fr; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    border-radius: 4px;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary { background-color: var(--color-accent-blue); color: var(--color-white); }
.btn-primary:hover { background-color: var(--color-accent-blue-hover); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37, 99, 235, 0.25); }
.btn-secondary { background-color: var(--color-graphite-dark); color: var(--color-white); }
.btn-outline { background-color: transparent; color: var(--color-white); border-color: rgba(255,255,255,0.4); }
.btn-block { width: 100%; }

.icon-inline { width: 18px; height: 18px; margin-right: 8px; }

/* Section header */
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag { font-family: var(--font-heading); color: var(--color-accent-blue); font-weight: 700; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 2px; display: block; margin-bottom: 12px; }
.section-header h2 { font-family: var(--font-heading); color: var(--color-navy); font-size: 2.25rem; font-weight: 800; letter-spacing: -0.5px; }
.section-dark .section-header h2 { color: var(--color-white); }
.section-subtitle { margin-top: 12px; font-size: 1.1rem; color: var(--color-graphite); }
.header-line { width: 60px; height: 4px; background-color: var(--color-wood-primary); margin: 20px auto 0 auto; border-radius: 2px; }

@media (max-width: 1100px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }

@media (max-width: 992px) { .section { padding: 80px 0; } .grid-3 { grid-template-columns: repeat(2, 1fr); } }