/*!
 * Kraft My Brand - Main Stylesheet
 * Version: 1.0.0
 */

/* ==========================================================================
   CSS Variables / Design Tokens
   ========================================================================== */
:root {
    --kmb-primary: #0073e6;
    --kmb-secondary: #6c5ce7;
    --kmb-accent: #00b894;
    --kmb-text: #333333;
    --kmb-heading: #1a1a1a;
    --kmb-light: #f8f9fa;
    --kmb-dark: #1a1a1a;
    --kmb-white: #ffffff;
    --kmb-border: #e5e5e5;
    --kmb-radius: 8px;
    --kmb-radius-lg: 12px;
    --kmb-radius-sm: 4px;
    --kmb-shadow: 0 2px 8px rgba(0,0,0,0.08);
    --kmb-shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --kmb-transition: 0.3s ease;
    --kmb-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --kmb-heading-font: 'Poppins', var(--kmb-font);
    --container-width: 1200px;
    --header-height: 80px;
}

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

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

body {
    font-family: var(--kmb-font);
    font-size: 16px;
    line-height: 1.7;
    color: var(--kmb-text);
    background: var(--kmb-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--kmb-primary);
    text-decoration: none;
    transition: color var(--kmb-transition);
}

a:hover { color: var(--kmb-secondary); }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--kmb-heading-font);
    color: var(--kmb-heading);
    line-height: 1.3;
    font-weight: 600;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

/* ==========================================================================
   Container & Grid
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

[class*="col-"] {
    padding: 0 15px;
}

.col-12 { width: 100%; }
.col-lg-4 { width: 33.333%; }
.col-lg-5 { width: 41.666%; }
.col-lg-6 { width: 50%; }
.col-lg-7 { width: 58.333%; }
.col-lg-8 { width: 66.666%; }
.col-md-6 { width: 50%; }

@media (max-width: 991px) {
    .col-md-6, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8 { width: 100%; }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 500;
    font-family: var(--kmb-font);
    border-radius: var(--kmb-radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--kmb-transition);
    text-align: center;
    line-height: 1.4;
    white-space: nowrap;
}

.btn-primary {
    background: var(--kmb-primary);
    color: #fff;
    border-color: var(--kmb-primary);
}
.btn-primary:hover { background: color-mix(in srgb, var(--kmb-primary) 85%, black); border-color: color-mix(in srgb, var(--kmb-primary) 85%, black); color: #fff; }

.btn-secondary { background: var(--kmb-secondary); color: #fff; border-color: var(--kmb-secondary); }
.btn-secondary:hover { background: color-mix(in srgb, var(--kmb-secondary) 85%, black); }

.btn-outline { background: transparent; color: var(--kmb-primary); border-color: var(--kmb-primary); }
.btn-outline:hover { background: var(--kmb-primary); color: #fff; }

.btn-white { background: #fff; color: var(--kmb-primary); border-color: #fff; }
.btn-white:hover { background: #f0f0f0; }

.btn-lg { padding: 16px 36px; font-size: 17px; }
.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn-block { width: 100%; justify-content: center; }

.btn:disabled, .btn.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* ==========================================================================
   Forms
   ========================================================================== */
.kmb-form .form-group { margin-bottom: 20px; }
.kmb-form .form-row { display: flex; gap: 20px; }
.kmb-form .form-row .form-group { flex: 1; }

.kmb-form .form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 14px;
    color: var(--kmb-heading);
}

.kmb-form .required { color: #dc3232; }

.kmb-form .form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    font-family: var(--kmb-font);
    border: 2px solid var(--kmb-border);
    border-radius: var(--kmb-radius-sm);
    background: #fff;
    transition: border-color var(--kmb-transition);
}

.kmb-form .form-control:focus {
    outline: none;
    border-color: var(--kmb-primary);
    box-shadow: 0 0 0 3px rgba(0,115,230,0.1);
}

.kmb-form .form-control.error { border-color: #dc3232; }

.kmb-form .form-error {
    display: none;
    font-size: 12px;
    color: #dc3232;
    margin-top: 4px;
}

.kmb-form .honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* ==========================================================================
   Section Spacing
   ========================================================================== */
.section-padding { padding: 100px 0; }
@media (max-width: 767px) { .section-padding { padding: 60px 0; } }

.section-header { margin-bottom: 50px; }
.section-title { margin-bottom: 12px; }
.section-subtitle { font-size: 18px; color: #666; max-width: 600px; margin: 0 auto; }

.text-center { text-align: center; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header { position: relative; z-index: 1000; }

.main-header {
    background: #fff;
    transition: all var(--kmb-transition);
}

.main-header.is-sticky {
    position: sticky;
    top: 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.main-header.is-transparent {
    background: transparent;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.site-logo img { max-height: 50px; width: auto; }
.site-title { font-size: 24px; font-weight: 700; color: var(--kmb-heading); }

.main-navigation .primary-menu {
    display: flex;
    list-style: none;
    gap: 5px;
}

.primary-menu > li > a {
    display: block;
    padding: 10px 16px;
    color: var(--kmb-heading);
    font-weight: 500;
    font-size: 15px;
    border-radius: var(--kmb-radius-sm);
}

.primary-menu > li > a:hover { color: var(--kmb-primary); background: rgba(0,115,230,0.05); }

.header-actions { display: flex; align-items: center; gap: 12px; }

/* Mobile Menu */
.mobile-menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger-line { width: 24px; height: 2px; background: var(--kmb-heading); transition: all 0.3s; }

@media (max-width: 991px) {
    .main-navigation { display: none; }
    .mobile-menu-toggle { display: flex; }
    .header-cta { display: none; }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.kmb-hero-section {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 600px;
    background: var(--kmb-dark);
    background-size: cover;
    background-position: center;
    background-image: var(--hero-bg, none);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0, var(--overlay-opacity, 0.5));
    z-index: 1;
}

.hero-container { position: relative; z-index: 2; width: 100%; padding: 100px 0; }

.hero-content { max-width: 700px; }
.hero-align-center .hero-content { margin: 0 auto; text-align: center; }
.hero-align-right .hero-content { margin-left: auto; text-align: right; }

.hero-subtitle {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--kmb-primary);
    margin-bottom: 16px;
    background: rgba(0,115,230,0.1);
    padding: 6px 16px;
    border-radius: 20px;
}

.hero-title { color: #fff; margin-bottom: 20px; }

.hero-description { font-size: 18px; color: rgba(255,255,255,0.8); margin-bottom: 30px; line-height: 1.6; }

.hero-cta-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-align-center .hero-cta-buttons { justify-content: center; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--kmb-dark); color: #ccc; }

.footer-widgets-area { padding: 80px 0 40px; }

.footer-widgets-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

@media (max-width: 991px) { .footer-widgets-row { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 576px) { .footer-widgets-row { grid-template-columns: 1fr; } }

.footer-widget-title {
    color: #fff;
    font-size: 16px;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-menu { list-style: none; }
.footer-menu li { margin-bottom: 10px; }
.footer-menu a { color: #ccc; font-size: 14px; }
.footer-menu a:hover { color: #fff; }

.footer-bottom-bar {
    padding: 25px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-copyright { font-size: 14px; }

.bottom-menu { display: flex; list-style: none; gap: 20px; }
.bottom-menu a { color: #ccc; font-size: 13px; }
.bottom-menu a:hover { color: #fff; }

/* ==========================================================================
   Back to Top
   ========================================================================== */
.back-to-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--kmb-primary);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--kmb-transition);
    box-shadow: var(--kmb-shadow-lg);
}

.back-to-top-btn.visible { opacity: 1; visibility: visible; }
.back-to-top-btn:hover { background: color-mix(in srgb, var(--kmb-primary) 85%, black); transform: translateY(-3px); }

/* ==========================================================================
   Utilities
   ========================================================================== */
.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

.bg-white { background: #fff; }
.bg-light { background: var(--kmb-light); }
.bg-dark { background: var(--kmb-dark); color: #fff; }
.bg-primary { background: var(--kmb-primary); color: #fff; }
.text-white { color: #fff; }

[data-aos] { opacity: 0; transition: opacity 0.6s ease, transform 0.6s ease; }
[data-aos].aos-animate { opacity: 1; transform: translate(0); }
[data-aos="fade-up"] { transform: translateY(30px); }
[data-aos="fade-right"] { transform: translateX(-30px); }
[data-aos="fade-left"] { transform: translateX(30px); }