/**
 * HUBHUB Creative Studio
 * Base Styles, Hello Monday Editorial Typography, Reset & Micro-interactions
 */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    text-size-adjust: 100%;
    color-scheme: light dark;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    position: relative;
    cursor: default;
    transition: background-color var(--transition-smooth), color var(--transition-smooth);
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

/* Clean UI: Hide scrollbar across all elements for Chrome, Safari, Edge and Opera */
::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
    background: transparent;
}

::selection {
    background-color: var(--color-accent);
    color: #0C0C0D;
}

/* Accessible Focus States */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

/* Typography Hierarchy: Futura Condensed for All Main Titles */
h1, h2, h3, h4, .section-title, .hero-main-title, .statement-quote, .brand-logo, .footer-brand h2, .project-title, .service-title, .article-title, .team-name, .cta-title, .hm-hero-headline, .volume-card-title {
    font-family: var(--font-title);
    font-weight: 800;
    line-height: 0.98;
    letter-spacing: 0.01em;
    color: var(--black);
    text-transform: uppercase;
}

h1 {
    font-size: clamp(2.8rem, 6.5vw + 0.5rem, 5.8rem);
    line-height: 0.95;
    font-weight: 800;
}

h2 {
    font-size: clamp(2rem, 4.2vw + 0.5rem, 3.8rem);
    line-height: 0.98;
    font-weight: 800;
}

h3 {
    font-size: clamp(1.4rem, 2.2vw + 0.4rem, 2.2rem);
    line-height: 1.05;
    font-weight: 800;
}

h4 {
    font-size: 1.3rem;
    line-height: 1.1;
    font-weight: 800;
}

h5, h6 {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: var(--text-sm);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--gray-medium);
}

p {
    margin-bottom: 1.25rem;
    font-weight: 400;
    color: var(--gray-dark);
}

p:last-child {
    margin-bottom: 0;
}

p.lead {
    font-size: 1.18rem;
    line-height: 1.6;
    font-weight: 400;
    color: var(--black-soft);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast), opacity var(--transition-fast), transform var(--transition-fast);
}

img, svg, picture, video {
    display: block;
    max-width: 100%;
    height: auto;
}

ul, ol {
    list-style: none;
}

/* Layout Containers */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.container-fluid {
    width: 100%;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

/* Hello Monday Signature Button System (Refined Organic Pills) */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    padding: 0.78rem 1.65rem;
    border-radius: var(--radius-pill);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    background-color: var(--black);
    color: var(--white);
    box-shadow: var(--shadow-subtle);
    transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    user-select: none;
    white-space: nowrap;
    min-height: 44px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn:active {
    transform: translateY(0);
}

/* Button Variants */
.btn-primary {
    background-color: var(--black);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--black-soft);
    color: var(--white);
}

.btn-green {
    background-color: var(--green);
    color: #0C0C0D;
    border: 1px solid var(--green);
    font-weight: 700;
}

.btn-green:hover {
    background-color: var(--dark-green);
    border-color: var(--dark-green);
    color: #0C0C0D;
    transform: translateY(-1px);
}

.btn-dark {
    background-color: var(--dark-green);
    color: var(--white);
}

.btn-dark:hover {
    background-color: #0d5828;
}

.btn-white {
    background-color: var(--white);
    color: var(--black);
    border: var(--border-hairline);
}

.btn-white:hover {
    background-color: var(--color-hover-bg);
    border-color: var(--color-border);
}

.btn-outline {
    background-color: transparent;
    color: var(--black);
    border: 1px solid var(--color-border);
}

.btn-outline:hover {
    background-color: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.btn-lg {
    padding: 1rem 2.2rem;
    font-size: 0.98rem;
}

.btn-sm {
    padding: 0.45rem 1.1rem;
    font-size: 0.8rem;
    min-height: 34px;
}

/* Hello Monday Minimalist Badges & Tags */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-pill);
    background-color: var(--color-pill-bg);
    color: var(--gray-dark);
    border: 1px solid var(--color-pill-border);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.badge-sm {
    font-size: 0.7rem;
    padding: 0.2rem 0.55rem;
}

.badge-green {
    background-color: rgba(79, 211, 57, 0.16);
    color: var(--green);
    border-color: rgba(79, 211, 57, 0.3);
}

.badge-black {
    background-color: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.badge-white {
    background-color: var(--white);
    color: var(--black);
    border: var(--border-hairline);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

/* Hello Monday Signature Micro-Dot */
.dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: currentColor;
    flex-shrink: 0;
}

/* Pulsing Status Dot */
.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: var(--green);
    display: inline-block;
    animation: pulse 2s infinite ease-in-out;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.7; }
    50% { transform: scale(1.3); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.7; }
}

/* Section Header Typography */
.section-header {
    margin-bottom: var(--space-12);
}

.breadcrumb-pill {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0.85rem;
    border-radius: var(--radius-pill);
    background: var(--color-pill-bg);
    border: 1px solid var(--color-pill-border);
    color: var(--gray-medium);
}

.back-btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-pill-bg);
    border: 1px solid var(--color-pill-border);
    color: var(--black);
    text-decoration: none;
    transition: transform var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.back-btn-icon:hover {
    background-color: var(--green);
    border-color: var(--green);
    color: var(--black);
    transform: translateX(-3px);
    box-shadow: var(--shadow);
}

.back-btn-icon svg {
    display: block;
    width: 20px;
    height: 20px;
    stroke: currentColor;
    transition: transform var(--transition-fast);
}

.back-btn-icon:hover svg {
    transform: translateX(-2px);
}

.section-eyebrow {
    display: none !important;
}

.section-title {
    font-size: clamp(2rem, 4vw + 0.5rem, 3.8rem);
    line-height: 1.08;
    margin-bottom: var(--space-4);
}

.section-desc {
    font-size: 1.05rem;
    max-width: 620px;
    font-weight: 400;
    color: var(--gray-medium);
    line-height: 1.6;
}

/* Utility Helpers */
.font-mono { font-family: var(--font-mono); }
.uppercase { text-transform: uppercase; }
.text-center { text-align: center; }
.relative { position: relative; }
.z-10 { z-index: 10; }

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}