/* --- DESIGN SYSTEM VARIABLES --- */
:root {
    --brand-blue: #0077b6;
    --brand-cyan: #00b4d8;
    --brand-green: #2d6a4f;
    --brand-gradient: linear-gradient(135deg, #0077b6 0%, #00b4d8 45%, #2d6a4f 100%);
    --brand-gradient-subtle: linear-gradient(135deg, rgba(0, 119, 182, 0.05) 0%, rgba(0, 180, 216, 0.05) 45%, rgba(45, 106, 79, 0.05) 100%);
    
    --text-main: #1a1a2e;
    --text-body: #4a4a5a;
    --text-muted: #6a6a7a;
    --bg-white: #ffffff;
    --bg-light: #f8f9fc;
    --bg-accent: #eef2f6;
    --border-color: #e5e7eb;
    
    --container-width: 1200px;
    --header-height: 80px;
    --section-padding: 120px 0;
    --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- RESET & BASE --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-main);
    letter-spacing: -0.03em;
    line-height: 1.15;
}

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 32px;
}

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

.section-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 700;
    color: var(--brand-blue);
    background: rgba(0, 119, 182, 0.08);
    padding: 6px 14px;
    border-radius: 100px;
    display: inline-block;
    margin-bottom: 20px;
}

/* --- NAVIGATION --- */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    display: flex;
    align-items: center;
    transition: var(--transition-smooth);
}

nav.scrolled {
    background: rgba(255, 255, 255, 0.98);
    border-bottom-color: var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.nav-container {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* OFFICIAL LOGO STYLING — Strict asset usage */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 40px;
    width: auto;
    display: block;
}

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

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-body);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background: var(--brand-gradient);
    transition: var(--transition-smooth);
}

.nav-links a:hover {
    color: var(--text-main);
}

.nav-links a:hover::after {
    width: 100%;
}

.mobile-toggle {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    padding: 8px;
}

/* --- HERO SECTION --- */
.hero {
    padding-top: calc(var(--header-height) + 100px);
    padding-bottom: 140px;
    background: radial-gradient(circle at 80% 20%, rgba(0, 180, 216, 0.04) 0%, transparent 50%),
                radial-gradient(circle at 10% 80%, rgba(45, 106, 79, 0.04) 0%, transparent 50%);
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.hero h1 {
    font-size: clamp(2.8rem, 5vw, 4.2rem);
    margin-bottom: 24px;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-body);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    align-items: center;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: var(--brand-gradient);
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 100px;
    box-shadow: 0 8px 24px rgba(0, 119, 182, 0.25);
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 119, 182, 0.35);
}

.hero-visual-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 48px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.03);
    position: relative;
}

.hero-visual-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--brand-gradient);
    border-radius: 20px 20px 0 0;
}

.stat-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.stat-item h4 {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 4px;
    font-weight: 500;
}

.stat-item .val {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
}

/* --- SECTIONS GENERAL --- */
section {
    padding: var(--section-padding);
    position: relative;
}

section:nth-child(even) {
    background-color: var(--bg-light);
}

.section-header {
    margin-bottom: 64px;
    max-width: 800px;
}

.section-header.centered {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-body);
}

/* --- 01 WHO WE ARE --- */
.editorial-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.large-statement {
    font-size: 1.65rem;
    font-weight: 500;
    color: var(--text-main);
    line-height: 1.5;
    padding-left: 32px;
    border-left: 3px solid transparent;
    border-image: var(--brand-gradient) 1;
}

/* --- 02 WHAT WE DO --- */
.what-we-do-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.process-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.process-step {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--bg-white);
    padding: 20px 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.process-step:hover {
    transform: translateX(6px);
    border-color: var(--brand-blue);
    box-shadow: 0 8px 24px rgba(0, 119, 182, 0.08);
}

.process-num {
    width: 32px;
    height: 32px;
    background: var(--brand-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    flex-shrink: 0;
}

.process-text {
    font-weight: 600;
    color: var(--text-main);
    font-size: 1.05rem;
}

/* --- 03 HOW WE WORK --- */
.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 64px;
}

.pillar-card {
    background: var(--bg-white);
    padding: 40px 32px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}

.pillar-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.06);
    border-color: var(--brand-cyan);
}

.pillar-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.ecosystem-box {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.ecosystem-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
}

.ecosystem-tag {
    padding: 10px 24px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-main);
    transition: var(--transition-smooth);
}

.ecosystem-tag:hover {
    background: rgba(0, 119, 182, 0.05);
    border-color: var(--brand-blue);
    color: var(--brand-blue);
}

/* --- 04 BUSINESS LINES --- */
.business-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.business-card {
    background: var(--bg-white);
    padding: 36px 24px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 180px;
    position: relative;
    overflow: hidden;
}

.business-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--brand-gradient);
    opacity: 0;
    transition: var(--transition-smooth);
}

.business-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 119, 182, 0.2);
}

.business-card:hover::after {
    opacity: 1;
}

.business-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
}

.business-card span {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* --- 05 WHY IHG --- */
.value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 0;
}

.value-card {
    background: var(--bg-white);
    padding: 32px;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: flex-start;
    gap: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
    transition: var(--transition-smooth);
}

.value-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.value-marker {
    width: 8px;
    height: 8px;
    background: var(--brand-gradient);
    border-radius: 50%;
    margin-top: 10px;
    flex-shrink: 0;
}

.value-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 4px;
}

.value-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin: 0;
}

/* --- 06 LEADERSHIP --- */
.leadership-card {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 60px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
}

.leadership-card p {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-body);
}

/* --- 07 CONTACT SECTION --- */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-card {
    background: var(--bg-white);
    padding: 40px 32px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
    transition: var(--transition-smooth);
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.06);
    border-color: var(--brand-blue);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 119, 182, 0.08);
    color: var(--brand-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px auto;
}

.contact-card h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.contact-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin: 0;
}

/* --- FOOTER --- */
footer {
    background: var(--bg-white);
    border-top: 1px solid var(--border-color);
    padding: 60px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo img {
    height: 32px;
    opacity: 0.8;
}

.copyright {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* --- SCROLL REVEAL ANIMATIONS --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* --- RESPONSIVE DESIGN --- */
@media (max-width: 1024px) {
    .hero-grid, .editorial-layout, .what-we-do-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    .pillars-grid, .value-grid, .business-grid, .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 24px 32px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        border-bottom: 1px solid var(--border-color);
        gap: 16px;
    }
    .nav-links.active {
        display: flex;
    }
    .mobile-toggle {
        display: block;
    }
    .pillars-grid, .value-grid, .business-grid, .contact-grid, .stat-row {
        grid-template-columns: 1fr;
    }
    .leadership-card {
        padding: 32px 24px;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
}
