/* ═══════════════════════════════════════════════════════════════
   MANKASH AI LABS — mankash.com
   Single-page landing styles
   ═══════════════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ────────────────────────────────── */
:root {
    /* Backgrounds */
    --bg-deep:          #0a0a1a;
    --bg-dark:          #0f0f23;
    --bg-dark-2:        #161630;
    --bg-card:          rgba(255,255,255,0.04);
    --bg-card-hover:    rgba(255,255,255,0.08);
    --bg-light:         #f8f9fc;
    --bg-white:         #ffffff;

    /* Text */
    --text-white:       #f0f0f5;
    --text-white-muted: rgba(240,240,245,0.65);
    --text-dark:        #0a0a1a;
    --text-dark-muted:  #6b7280;

    /* Borders */
    --border-dark:      rgba(255,255,255,0.08);
    --border-dark-strong: rgba(255,255,255,0.15);
    --border-light:     rgba(0,0,0,0.08);

    /* Accent — Teal-to-Indigo */
    --accent-teal:      #06b6d4;
    --accent-indigo:    #6366f1;
    --accent-violet:    #8b5cf6;
    --accent-glow:      rgba(99,102,241,0.2);

    /* Gradients */
    --gradient-brand:   linear-gradient(135deg, #06b6d4 0%, #6366f1 50%, #8b5cf6 100%);
    --gradient-text:    linear-gradient(135deg, #67e8f9 0%, #818cf8 40%, #c084fc 100%);
    --gradient-text-dark: linear-gradient(135deg, #0891b2 0%, #6366f1 50%, #7c3aed 100%);
    --gradient-card:    linear-gradient(135deg, rgba(6,182,212,0.1) 0%, rgba(99,102,241,0.1) 100%);
    --gradient-btn:     linear-gradient(135deg, #06b6d4 0%, #6366f1 60%, #8b5cf6 100%);

    /* Shadows */
    --shadow-sm:        0 1px 3px rgba(0,0,0,0.1);
    --shadow-md:        0 4px 20px rgba(0,0,0,0.12);
    --shadow-lg:        0 12px 48px rgba(0,0,0,0.18);
    --shadow-glow:      0 0 60px rgba(99,102,241,0.12);
    --shadow-glow-teal: 0 0 60px rgba(6,182,212,0.12);

    /* Spacing */
    --section-pad:      6rem 0;
    --container-max:    1200px;

    /* Radius */
    --radius-sm:        8px;
    --radius-md:        12px;
    --radius-lg:        16px;
    --radius-xl:        24px;
    --radius-full:      999px;

    /* Transitions */
    --ease-out:         cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast:  0.2s var(--ease-out);
    --transition-med:   0.4s var(--ease-out);
}


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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-white);
    background: var(--bg-deep);
    overflow-x: hidden;
}

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

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

ul { list-style: none; }


/* ── Container ────────────────────────────────────────────── */
.container {
    width: min(var(--container-max), 100% - 3rem);
    margin: 0 auto;
}


/* ── Typography ───────────────────────────────────────────── */
.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-dark {
    background: var(--gradient-text-dark);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-teal);
    margin-bottom: 1rem;
}

.section--light .section-label {
    color: var(--accent-indigo);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.section--light .section-title {
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-white-muted);
    max-width: 640px;
    line-height: 1.7;
}

.section--light .section-subtitle {
    color: var(--text-dark-muted);
}

.section-header {
    margin-bottom: 3.5rem;
}

.section-cta {
    text-align: center;
    margin-top: 3rem;
}


/* ── Buttons ──────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.8rem 1.8rem;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-btn);
    color: #fff;
    box-shadow: 0 4px 20px rgba(99,102,241,0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99,102,241,0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text-white);
    border: 1.5px solid var(--border-dark-strong);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.3);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-white-muted);
    padding: 0.8rem 1.2rem;
}

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

.section--light .btn-outline {
    color: var(--text-dark);
    border-color: var(--border-light);
}

.section--light .btn-outline:hover {
    background: rgba(0,0,0,0.04);
    border-color: rgba(0,0,0,0.2);
}

.section--light .btn-ghost {
    color: var(--text-dark-muted);
}

.section--light .btn-ghost:hover {
    color: var(--text-dark);
}

.btn-sm {
    font-size: 0.85rem;
    padding: 0.6rem 1.3rem;
}

.btn-icon {
    width: 16px;
    height: 16px;
}

.btn-icon-left {
    width: 16px;
    height: 16px;
}


/* ═══════════════════════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════════════════════ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all var(--transition-med);
}

.site-header.is-scrolled {
    background: rgba(10, 10, 26, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-dark);
    padding: 0.7rem 0;
}

.header-container {
    width: min(var(--container-max), 100% - 3rem);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.brand-logo {
    width: 2rem;
    height: 2rem;
}

.brand-name {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-white);
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-white-muted);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.is-active {
    color: var(--text-white);
}

.nav-link--cta {
    background: var(--gradient-btn);
    color: #fff !important;
    padding: 0.5rem 1.3rem;
    border-radius: var(--radius-full);
    margin-left: 0.5rem;
    font-weight: 600;
}

.nav-link--cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(99,102,241,0.3);
}


/* Mobile toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.mobile-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-white);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-toggle.is-active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.is-active span:nth-child(2) { opacity: 0; }
.mobile-toggle.is-active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }


/* ═══════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 8rem 0 6rem;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
}

.hero-orb--1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-teal), transparent 70%);
    top: -15%;
    left: -10%;
}

.hero-orb--2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-indigo), transparent 70%);
    bottom: -10%;
    right: -5%;
}

.hero-orb--3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, var(--accent-violet), transparent 70%);
    top: 40%;
    left: 50%;
    transform: translateX(-50%);
}

.hero-grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 820px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-white-muted);
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    padding: 0.4rem 1.2rem;
    border-radius: var(--radius-full);
    margin-bottom: 2rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-teal);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(6,182,212,0.4); }
    50%      { opacity: 0.8; box-shadow: 0 0 0 8px rgba(6,182,212,0); }
}

.hero-title {
    font-size: clamp(2.75rem, 5.5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-white-muted);
    max-width: 650px;
    margin: 0 auto 2.5rem;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Scroll hint */
.hero-scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--accent-teal), transparent);
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% { opacity: 0.4; transform: scaleY(0.6); transform-origin: top; }
    50%      { opacity: 1; transform: scaleY(1); }
}


/* ═══════════════════════════════════════════════════════════════
   MISSION STRIP
   ═══════════════════════════════════════════════════════════════ */
.mission-strip {
    background: var(--bg-dark);
    border-top: 1px solid var(--border-dark);
    border-bottom: 1px solid var(--border-dark);
    padding: 4rem 0;
}

.mission-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

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

.stat-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-white-muted);
    margin-bottom: 0.3rem;
}

.stat-value {
    font-size: 1.1rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-dark-strong);
}

.mission-text {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-white-muted);
    max-width: 720px;
    margin: 0 auto;
    line-height: 1.8;
}


/* ═══════════════════════════════════════════════════════════════
   SECTIONS — general
   ═══════════════════════════════════════════════════════════════ */
.section {
    padding: var(--section-pad);
}

.section--dark {
    background: var(--bg-deep);
}

.section--light {
    background: var(--bg-light);
    color: var(--text-dark);
}


/* ═══════════════════════════════════════════════════════════════
   PRODUCTS — Featured Card
   ═══════════════════════════════════════════════════════════════ */
.product-featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.product-featured:hover {
    border-color: var(--border-dark-strong);
}

.product-featured-content {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-brand {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 1rem;
}

.product-logo {
    width: 2rem;
    height: 2rem;
}

.product-name {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.product-badge {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #10b981;
    background: rgba(16,185,129,0.1);
    border: 1px solid rgba(16,185,129,0.2);
    padding: 0.15rem 0.6rem;
    border-radius: var(--radius-full);
}

.product-tagline {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
}

.product-description {
    font-size: 0.95rem;
    color: var(--text-white-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.product-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.product-feature {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
}

.product-feature > svg,
.product-feature > i {
    width: 20px;
    height: 20px;
    color: var(--accent-teal);
    flex-shrink: 0;
    margin-top: 2px;
}

.product-feature strong {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.1rem;
}

.product-feature span {
    font-size: 0.85rem;
    color: var(--text-white-muted);
    line-height: 1.5;
}

.product-featured-visual {
    position: relative;
    overflow: hidden;
    min-height: 400px;
}

.product-featured-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-visual-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--bg-deep) 0%, transparent 30%);
}


/* Upcoming products card */
.product-upcoming {
    margin-top: 1.5rem;
}

.upcoming-inner {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-card);
    border: 1px dashed var(--border-dark-strong);
    border-radius: var(--radius-lg);
    padding: 1.5rem 2rem;
}

.upcoming-icon {
    width: 24px;
    height: 24px;
    color: var(--text-white-muted);
    flex-shrink: 0;
}

.upcoming-inner strong {
    display: block;
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
}

.upcoming-inner p {
    font-size: 0.85rem;
    color: var(--text-white-muted);
    line-height: 1.5;
}


/* ═══════════════════════════════════════════════════════════════
   RESEARCH — Cards with Images
   ═══════════════════════════════════════════════════════════════ */
.research-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.research-card {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-med);
}

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

.research-card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.research-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-med);
}

.research-card:hover .research-card-image img {
    transform: scale(1.05);
}

.research-card-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 40%, rgba(0,0,0,0.08) 100%);
}

.research-card-body {
    padding: 1.8rem;
}

.research-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--gradient-card);
    margin-bottom: 1rem;
}

.research-card-icon i,
.research-card-icon svg {
    width: 22px;
    height: 22px;
    color: var(--accent-indigo);
}

.research-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.research-card p {
    font-size: 0.9rem;
    color: var(--text-dark-muted);
    line-height: 1.7;
    margin-bottom: 1.2rem;
}

.research-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-indigo);
    background: rgba(99,102,241,0.08);
    padding: 0.25rem 0.7rem;
    border-radius: var(--radius-full);
}


/* ═══════════════════════════════════════════════════════════════
   CONSULTING — Icon Cards
   ═══════════════════════════════════════════════════════════════ */
.consulting-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.consulting-card {
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem;
    transition: all var(--transition-med);
}

.consulting-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-dark-strong);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.consulting-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--gradient-card);
    border: 1px solid var(--border-dark);
    margin-bottom: 1.5rem;
}

.consulting-card-icon i,
.consulting-card-icon svg {
    width: 26px;
    height: 26px;
    color: var(--accent-teal);
}

.consulting-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    letter-spacing: -0.01em;
}

.consulting-list {
    list-style: none;
}

.consulting-list li {
    font-size: 0.9rem;
    color: var(--text-white-muted);
    line-height: 1.6;
    padding: 0.4rem 0;
    padding-left: 1.2rem;
    position: relative;
}

.consulting-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.85rem;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent-teal);
}


/* ═══════════════════════════════════════════════════════════════
   LEADERSHIP — Featured Leader
   ═══════════════════════════════════════════════════════════════ */
.leader-card {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 960px;
    margin: 0 auto;
}

.leader-visual {
    position: relative;
}

.leader-avatar {
    width: 280px;
    height: 320px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
}

.leader-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.leader-pattern {
    position: absolute;
    top: -1rem;
    right: -1rem;
    width: 100px;
    height: 100px;
    background-image:
        radial-gradient(circle, rgba(99,102,241,0.3) 1px, transparent 1px);
    background-size: 12px 12px;
    z-index: -1;
}

.leader-name {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-dark);
    margin-bottom: 0.3rem;
}

.leader-role {
    display: block;
    font-size: 0.95rem;
    color: var(--accent-indigo);
    font-weight: 600;
    margin-bottom: 1.2rem;
}

.leader-bio {
    font-size: 0.95rem;
    color: var(--text-dark-muted);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.leader-domains {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.domain-tag {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-dark-muted);
    background: rgba(0,0,0,0.04);
    border: 1px solid var(--border-light);
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-full);
}

.leader-links {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}


/* ═══════════════════════════════════════════════════════════════
   CONTACT / CTA
   ═══════════════════════════════════════════════════════════════ */
.section--cta {
    position: relative;
    background: var(--bg-dark);
    padding: 6rem 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.cta-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.35;
}

.cta-orb--1 {
    width: 500px;
    height: 500px;
    background: var(--accent-indigo);
    top: -20%;
    right: -10%;
}

.cta-orb--2 {
    width: 400px;
    height: 400px;
    background: var(--accent-teal);
    bottom: -20%;
    left: -10%;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.cta-title {
    font-size: clamp(2rem, 4.5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.1rem;
    color: var(--text-white-muted);
    max-width: 580px;
    margin: 0 auto 3rem;
    line-height: 1.7;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

a.contact-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-dark-strong);
    transform: translateY(-2px);
}

.contact-card i,
.contact-card svg {
    width: 24px;
    height: 24px;
    color: var(--accent-teal);
    margin-bottom: 0.25rem;
}

.contact-card strong {
    font-size: 0.9rem;
    font-weight: 600;
}

.contact-card span {
    font-size: 0.85rem;
    color: var(--text-white-muted);
    line-height: 1.5;
}


/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */
.site-footer {
    background: var(--bg-deep);
    border-top: 1px solid var(--border-dark);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--text-white-muted);
    line-height: 1.6;
    margin-top: 1rem;
}

.footer-col h4 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-white);
    margin-bottom: 1rem;
}

.footer-col a {
    display: block;
    font-size: 0.9rem;
    color: var(--text-white-muted);
    padding: 0.25rem 0;
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--text-white);
}

.footer-bottom {
    border-top: 1px solid var(--border-dark);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom span {
    font-size: 0.8rem;
    color: var(--text-white-muted);
}


/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */

/* ── Tablet (≤1024px) ─────────────────────────────────────── */
@media (max-width: 1024px) {
    .product-featured {
        grid-template-columns: 1fr;
    }

    .product-featured-visual {
        min-height: 280px;
        order: -1;
    }

    .product-visual-overlay {
        background: linear-gradient(to bottom, transparent 50%, var(--bg-deep) 100%);
    }

    .research-grid,
    .consulting-grid {
        grid-template-columns: 1fr 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }

    .leader-card {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .leader-visual {
        display: flex;
        justify-content: center;
    }

    .leader-avatar {
        width: 200px;
        height: 240px;
    }

    .leader-domains,
    .leader-links {
        justify-content: center;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}


/* ── Mobile (≤768px) ──────────────────────────────────────── */
@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }

    .header-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background: rgba(10,10,26,0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        padding: 2rem;
        gap: 0.5rem;
        transform: translateX(100%);
        transition: transform 0.4s var(--ease-out);
    }

    .header-nav.is-open {
        transform: translateX(0);
    }

    .nav-link {
        font-size: 1.1rem;
        padding: 0.8rem 1rem;
        width: 100%;
    }

    .nav-link--cta {
        margin-left: 0;
        margin-top: 1rem;
        text-align: center;
        justify-content: center;
        display: flex;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero-description {
        font-size: 1rem;
    }

    .mission-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .section {
        padding: 4rem 0;
    }

    .section-header {
        margin-bottom: 2.5rem;
    }

    .research-grid,
    .consulting-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .product-featured-content {
        padding: 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}


/* ── Small (≤480px) ───────────────────────────────────────── */
@media (max-width: 480px) {
    .hero {
        padding: 6rem 0 4rem;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .section-title {
        font-size: clamp(1.6rem, 6vw, 2.2rem);
    }

    .cta-title {
        font-size: clamp(1.6rem, 6vw, 2.5rem);
    }

    .consulting-card {
        padding: 1.8rem 1.5rem;
    }
}