/* 
   HAC Investor Relations (IR)
   Editorial warm palette — aligned with landing page
   Source Serif 4 · Inter · JetBrains Mono
*/

:root {
    /* --- Palette (aligned with landing page) --- */
    --cream:        #F5F5F0;
    --cream-dark:   #EAEAE4;
    --ink:          #1A1A1A;
    --ink-light:    #3D3D3D;
    --muted:        #6B6B6B;
    --accent:       #E54B2A;
    --accent-light: #F4A08D;
    --accent-deep:  #B22A10;
    --accent-hover: #CC3D1F;
    --white:        #FFFFFF;
    --border:       #D4D4D0;

    /* --- Typography --- */
    --font-display: 'Source Serif 4', Georgia, 'Times New Roman', serif;
    --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono:    'JetBrains Mono', 'Consolas', monospace;

    /* --- Spacing --- */
    --spacing-xs:   8px;
    --spacing-sm:   16px;
    --spacing-md:   32px;
    --spacing-lg:   64px;
    --spacing-xl:   96px;

    /* --- Container --- */
    --container-width: 1100px;
    --container-narrow: 680px;
    
    /* --- Motion --- */
    --ease-slow:    cubic-bezier(0.2, 0.0, 0.2, 1);
    --duration-reveal: 0.9s;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    color-scheme: light;
    overflow-anchor: auto;
}

body {
    background-color: var(--cream);
    color: var(--ink-light);
    font-family: var(--font-body);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--ink);
}

a {
    color: inherit;
    text-decoration: none;
    text-decoration-skip-ink: auto;
    transition: all 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

/* Keyboard navigation accessibility */
*:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 2px;
}

/* --- Utilities --- */
.ir-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 2;
}

.ir-container-narrow {
    max-width: var(--container-narrow);
}

.ir-eyebrow {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--accent);
    display: block;
    margin-bottom: var(--spacing-sm);
}

.ir-text-ink { color: var(--ink); }
.ir-text-slate { color: var(--muted); }

/* --- Navigation --- */
.ir-nav {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 24px 0;
    z-index: 100;
}

.ir-nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ir-nav-logo {
    font-family: var(--font-display);
    font-size: 24px;
    color: var(--white);
    letter-spacing: -0.02em;
}

.ir-nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.ir-nav-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

.ir-nav-links a:hover,
.ir-nav-links a.active {
    color: var(--white);
}

.ir-nav-links a.active {
    border-bottom: 1px solid var(--white);
}

.ir-nav-cta {
    color: var(--white) !important;
}

/* --- Hero --- */
.ir-hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    background-color: var(--ink);
    overflow: hidden;
}

/* Subtle breathing background animation */
.ir-hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, var(--ink-light) 0%, var(--ink) 70%);
    opacity: 0.6;
    animation: breathe 16s ease-in-out infinite;
    z-index: 0;
}

@keyframes breathe {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

.ir-hero-title {
    font-size: clamp(48px, 5vw, 80px);
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 0;
    opacity: 0;
    animation: revealUp var(--duration-reveal) var(--ease-slow) forwards;
    animation-delay: 0.2s;
}

.ir-hero-subtitle {
    font-size: clamp(48px, 5vw, 80px);
    line-height: 1.1;
    color: var(--accent-light);
    font-style: italic;
    margin-bottom: var(--spacing-md);
    opacity: 0;
    animation: revealUp var(--duration-reveal) var(--ease-slow) forwards;
    animation-delay: 0.4s;
}

.ir-hero-body {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
    opacity: 0;
    animation: fadeIn var(--duration-reveal) var(--ease-slow) forwards;
    animation-delay: 1s;
}

.ir-hero-actions {
    display: flex;
    gap: 32px;
    align-items: center;
    opacity: 0;
    animation: fadeIn var(--duration-reveal) var(--ease-slow) forwards;
    animation-delay: 1.9s;
}

/* --- Sections --- */
.ir-section {
    padding: var(--spacing-xl) 0;
}

.ir-bg-light { background-color: var(--cream); color: var(--ink-light); }
.ir-bg-dark { background-color: var(--ink); color: var(--white); }
.ir-bg-dark-secondary { background-color: var(--ink); color: var(--white); }

.ir-section-header { margin-bottom: var(--spacing-lg); }

.ir-section h2 {
    font-size: clamp(32px, 4vw, 52px);
    margin-bottom: var(--spacing-xs);
}

.ir-section-sub {
    font-family: var(--font-body);
    font-size: 18px;
    color: var(--muted);
}

/* --- Thesis --- */
.ir-thesis-content {
    font-family: var(--font-body);
    font-size: 18px; /* Slightly larger for thesis */
}

.ir-thesis-content p {
    margin-bottom: 24px;
}

.ir-highlight {
    border-bottom: 2px solid var(--accent);
    color: var(--ink);
}

.ir-pullquote {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 24px;
    line-height: 1.4;
    border-left: 3px solid var(--accent);
    padding-left: 24px;
    margin-top: 48px;
    color: var(--ink);
}

/* --- Grid & Cards --- */
.ir-grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: var(--spacing-lg);
}

.ir-card {
    background-color: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 36px;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ir-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--accent);
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

.ir-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(229, 75, 42, 0.08);
}

.ir-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
}

.ir-card-badge {
    background-color: rgba(229, 75, 42, 0.1);
    color: var(--accent);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 4px 8px;
    border-radius: 100px;
    letter-spacing: 0.05em;
}

.ir-card-number {
    font-family: var(--font-display);
    font-size: 48px;
    line-height: 1;
    color: rgba(26, 26, 26, 0.06);
}

.ir-card h3 {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--ink);
}

.ir-card p {
    font-size: 15px;
    color: var(--muted);
    line-height: 1.6;
}

/* Section footer links */
.ir-section-footer-links {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    margin-top: var(--spacing-sm);
}

/* --- Engagement List --- */
.ir-engagement-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
}

@media (min-width: 900px) {
    .ir-engagement-list {
        grid-template-columns: 1fr 1fr;
    }
}

.ir-engage-item {
    position: relative;
    padding-left: 0; /* Changed design, numbers are large props */
}

.ir-engage-number {
    display: block;
    font-family: var(--font-display);
    font-size: 64px;
    color: rgba(229, 75, 42, 0.08);
    line-height: 1;
    margin-bottom: 16px;
}

.ir-engage-content h3 {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 22px;
    color: var(--ink);
    margin-bottom: 12px;
}

.ir-engage-content p {
    color: var(--muted);
    margin-bottom: 16px;
}

.ir-meta {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 16px;
    display: block;
}


/* --- Team --- */
.ir-team-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    margin-bottom: 64px;
}

@media (min-width: 900px) {
    .ir-team-grid {
        grid-template-columns: 6fr 4fr; /* 60/40ish split */
    }
}

.ir-team-info h3 {
    color: var(--accent); /* Kartavya's name in accent */
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 24px;
    margin-bottom: 4px;
}
/* Exception for non-accent names */
.ir-team-advisor h3 { 
    color: var(--white); 
}


.ir-role {
    display: block;
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--accent-light);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.ir-team-info p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
}

.ir-team-links {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.ir-team-links a {
    color: var(--white);
    font-size: 14px;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.ir-team-links a:hover {
    color: var(--accent-light);
    border-color: var(--accent-light);
}

/* Board */
.ir-board-list {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    margin-bottom: 32px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.ir-board-member {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

.ir-board-member a {
    color: var(--accent-light);
}

.ir-avatar-placeholder {
    color: var(--accent-light);
}

.ir-approved-badge {
    margin-top: 48px;
    opacity: 0.6;
    font-size: 12px;
    color: #94A3B8;
    line-height: 1.4;
}

/* --- Progress Log --- */
.ir-log {
    margin-top: 32px;
}

.ir-log-entry {
    border-left: 2px solid var(--accent);
    padding-left: 24px;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
}

.ir-log-future {
    border-left-color: var(--border);
    opacity: 0.6;
    border-bottom: none;
}

.ir-log-date {
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 13px;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 16px;
    display: block;
}

.ir-log-content {
    font-size: 15px;
    color: var(--ink-light);
}

.ir-log-row {
    margin-bottom: 8px;
    display: flex;
}

.ir-log-label {
    min-width: 100px;
    font-weight: 600;
    color: var(--muted);
}

.ir-link-log {
    color: var(--accent);
    font-weight: 500;
}

/* --- Final CTA & Footer --- */
.ir-cta-final {
    background-color: var(--ink);
    text-align: center;
    padding: 120px 0;
}

.ir-final-content h2 {
    color: var(--white);
    margin-bottom: 24px;
}

.ir-final-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 18px;
    margin-bottom: 24px;
}

.ir-final-actions {
    margin: 48px 0;
    display: flex;
    justify-content: center;
    gap: 24px;
}

.ir-contact-card {
    border-top: 1px solid rgba(255,255,255,0.1);
    display: inline-block;
    padding-top: 24px;
    font-size: 14px;
    color: var(--muted);
}
.ir-contact-card a { color: rgba(255, 255, 255, 0.7); }

.ir-footer {
    border-top: 1px solid var(--border);
    padding: 32px 0;
    text-align: center;
    background-color: var(--cream);
}

.ir-footer-nav {
    font-size: 13px;
    color: var(--muted);
}

.ir-footer-nav a:hover,
.ir-footer-nav a.active {
    color: var(--accent);
}

.ir-dot { margin: 0 8px; opacity: 0.3; }


/* --- Components --- */
.ir-btn {
    display: inline-flex;
    align-items: center;
    height: 48px;
    padding: 0 24px;
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.ir-btn-ghost {
    background: transparent;
    border: 1.5px solid rgba(255, 255, 255, 0.5);
    color: var(--white);
}

.ir-btn-ghost:hover {
    border-color: var(--white);
    color: var(--white);
}

.ir-btn-ghost-dark {
    background: transparent;
    border: 1.5px solid var(--accent);
    color: var(--accent);
}
.ir-btn-ghost-dark:hover {
    background: rgba(229, 75, 42, 0.05);
}

.ir-btn-coral {
    background-color: var(--accent);
    color: var(--white);
    height: 52px;
    padding: 0 44px;
}
.ir-btn-coral:hover {
    background-color: var(--accent-hover);
}

.ir-link-arrow {
    color: var(--accent);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.ir-link-arrow:hover {
    gap: 8px;
}

/* --- Coming-soon disabled links --- */
.ir-link--soon {
    opacity: .45;
    pointer-events: none;
    cursor: default;
    font-style: italic;
}

/* --- Animations --- */
@keyframes revealUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* --- Mobile Nav Toggle --- */
.ir-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    width: 32px;
    height: 24px;
    flex-direction: column;
    justify-content: space-between;
    align-items: stretch;
}
.ir-nav-toggle span {
    display: block;
    height: 2px;
    background: rgba(255,255,255,0.8);
    transition: transform 0.3s, opacity 0.3s;
}
.ir-nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(11px) rotate(45deg); }
.ir-nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.ir-nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-11px) rotate(-45deg); }

/* --- Responsive --- */
@media (max-width: 768px) {
    .ir-nav-toggle { display: flex; }
    .ir-nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(14, 14, 14, 0.97);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        padding: 16px 24px;
        border-bottom: 1px solid var(--border);
    }
    .ir-nav-links.is-open { display: flex; }
    .ir-nav-links a { padding: 12px 0; }
    .ir-hero { min-height: 70vh; padding-top: 60px; }
    .ir-hero-title,
    .ir-hero-subtitle { font-size: clamp(32px, 8vw, 52px); }
    .ir-hero-actions { flex-direction: column; gap: 16px; }
    .ir-section { padding: var(--spacing-lg) 0; }
    .ir-grid-3 { grid-template-columns: 1fr; }
    .ir-card { padding: 24px; }
    .ir-final-actions { flex-direction: column; gap: 16px; }
    .ir-cta-final { padding: 64px 0; }
    .ir-footer-nav { flex-wrap: wrap; justify-content: center; gap: 8px; }
    .ir-dot { display: none; }
    .ir-log-row { flex-direction: column; gap: 4px; }
    .ir-log-label { min-width: auto; }
    .ir-board-list { flex-direction: column; gap: 16px; }
}

@media (max-width: 480px) {
    .ir-container { padding: 0 16px; }
    .ir-hero-body { font-size: 15px; }
    .ir-engage-number { font-size: 48px; }
    .ir-engage-content h3 { font-size: 18px; }
    .ir-pullquote { font-size: 20px; padding-left: 16px; }
    .ir-section-footer-links { flex-direction: column; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}