/*
Theme Name:  Minh Nhật
Theme URI:   #
Author:      Mun ca
Description: Clone minhnhathp.com — Dịch vụ Mài Nền Bê Tông & Chống Thấm chuyên nghiệp.
Version:     1.0.0
Text Domain: minh-nhat
Tags:        business, landing-page, blue, construction, vietnamese
*/

/* ── Variables ─────────────────────────────────────────────────── */
:root {
    --blue-900: #1E3A8A;
    --blue-700: #1D4ED8;
    --blue-600: #2563EB;
    --blue-500: #3B82F6;
    --blue-100: #DBEAFE;
    --blue-50: #EFF6FF;
    --dark: #0F172A;
    --dark-800: #1E293B;
    --dark-700: #334155;
    --text: #0A0A0A;
    --text-muted: #64748B;
    --white: #FFFFFF;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --border: #E2E8F0;
    --yellow: #EAB308;
    /* star rating */

    --font: 'Inter', sans-serif;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(37, 99, 235, 0.08);
    --shadow-lg: 0 8px 40px rgba(37, 99, 235, 0.15);
    --transition: 200ms ease;
    --max-w: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

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

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* ── Container ──────────────────────────────────────────────────── */
.mn-container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Buttons ─────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--blue-600);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--blue-700);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--blue-600);
}

.btn-ghost {
    background: transparent;
    color: var(--blue-600);
    border: 2px solid var(--blue-600);
}

.btn-ghost:hover {
    background: var(--blue-600);
    color: var(--white);
}

/* ── Section ─────────────────────────────────────────────────────── */
.mn-section {
    padding: 80px 0;
}

.mn-section-alt {
    background: var(--blue-50);
}

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

.mn-section-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--blue-50);
    border: 1px solid var(--blue-100);
    color: var(--blue-600);
    font-size: 13px;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 16px;
}

.mn-section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
    color: var(--dark);
}

.mn-section-title .accent {
    color: var(--blue-600);
}

.mn-section-subtitle {
    color: var(--text-muted);
    font-size: 17px;
    max-width: 600px;
    margin: 0 auto;
}

.mn-section-header {
    text-align: center;
    margin-bottom: 56px;
}

/* ── Cards ───────────────────────────────────────────────────────── */
.mn-card {
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 28px;
    transition: all var(--transition);
}

.mn-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.mn-icon-box {
    width: 52px;
    height: 52px;
    background: var(--blue-600);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: white;
    font-size: 22px;
}

/* ── Stars ───────────────────────────────────────────────────────── */
.mn-stars {
    color: var(--yellow);
    font-size: 18px;
    margin-bottom: 12px;
}

/* ── Floating Buttons ────────────────────────────────────────────── */
.floating-btns {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.float-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
    color: white;
    font-size: 22px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.float-btn:hover {
    transform: scale(1.1);
}

.float-btn-zalo {
    background: #0068FF;
}

.float-btn-phone {
    background: #22C55E;
}

.float-btn-top {
    background: var(--dark-700);
    font-size: 16px;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.float-btn-top.visible {
    opacity: 1;
    pointer-events: all;
}

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .mn-section {
        padding: 56px 0;
    }

    .mn-section-title {
        font-size: 1.8rem;
    }

    .btn {
        padding: 12px 22px;
        font-size: 14px;
    }
}