/* 
   Starus AI - "Royal Intelligence" Theme 
   Clean, White, & Gold Aesthetic
*/

:root {
    /* Color Palette - Royal & Sophisticated */
    --bg-main: #FAFAFA;
    /* Crisp White */
    --bg-secondary: #F4F4F5;
    /* Subtle Platinum */
    --text-primary: #0F172A;
    /* Deep Navy/Black */
    --text-secondary: #475569;
    /* Slate Grey */

    /* Gold Accents - Metallic Gradient */
    --gold-primary: #D4AF37;
    --gold-dark: #B5952F;
    --gold-light: #F3E5AB;
    --gradient-gold: linear-gradient(135deg, #C5A028 0%, #E5C558 50%, #C5A028 100%);
    --gradient-text: linear-gradient(135deg, #0F172A 0%, #334155 100%);

    /* Spacing & Layout */
    --container-width: 1200px;
    --header-height: 80px;
    --section-spacing: 120px;

    /* Effects */
    --shadow-soft: 0 10px 40px -10px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 20px 40px -10px rgba(0, 0, 0, 0.1);
    --border-light: 1px solid rgba(0, 0, 0, 0.05);
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    /* Subtle Grain Texture */
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E");
}

h1,
h2,
h3,
h4 {
    font-family: 'Outfit', sans-serif;
    /* Premium Geometric Sans */
    line-height: 1.1;
    font-weight: 700;
    color: var(--text-primary);
}

p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

a {
    text-decoration: none;
    transition: all 0.3s ease;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    height: var(--header-height);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(250, 250, 250, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: var(--border-light);
}

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

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo span {
    color: var(--gold-primary);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--gold-primary);
}

.cta-button {
    background: var(--gradient-gold);
    color: #fff;
    padding: 0.8rem 1.8rem;
    border-radius: 4px;
    /* Sharper corners for enterprise feel */
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
    color: #fff;
}

/* Hero Section */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    background: radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.08) 0%, transparent 60%);
}

.hero-content {
    max-width: 900px;
}

.badge {
    display: inline-block;
    padding: 8px 16px;
    background: #fff;
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--gold-dark);
    margin-bottom: 2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero h1 {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

.hero h1 .highlight {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.hero p {
    font-size: 1.35rem;
    margin-bottom: 2.5rem;
    max-width: 650px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
}

.secondary-button {
    padding: 0.8rem 1.8rem;
    border-radius: 4px;
    font-weight: 600;
    background: transparent;
    border: 1px solid var(--text-secondary);
    color: var(--text-primary);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.secondary-button:hover {
    border-color: var(--text-primary);
    background: var(--bg-secondary);
}

/* Pillars Grid (Services) */
.pillars {
    padding: var(--section-spacing) 0;
    background: #fff;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.pillar-card {
    background: var(--bg-main);
    padding: 3rem;
    border: var(--border-light);
    border-radius: 2px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.pillar-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.pillar-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.pillar-card:hover::before {
    transform: scaleX(1);
}

.icon-box {
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: rgba(212, 175, 55, 0.1);
    color: var(--gold-dark);
    border-radius: 8px;
}

.pillar-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Process Section */
.process {
    padding: var(--section-spacing) 0;
    background: var(--bg-secondary);
}

.process-steps {
    display: flex;
    justify-content: space-between;
    margin-top: 4rem;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #E2E8F0;
    z-index: 0;
}

.step {
    position: relative;
    z-index: 1;
    background: var(--bg-secondary);
    width: 30%;
    text-align: center;
    padding: 0 1rem;
}

.step-number {
    width: 80px;
    height: 80px;
    background: #fff;
    border: 2px solid var(--gold-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--gold-dark);
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-soft);
}

.step h3 {
    margin-bottom: 0.5rem;
}

/* Trust/Footer */
.trust-badge {
    text-align: center;
    padding: 3rem;
    background: #0F172A;
    color: #fff;
    margin-top: var(--section-spacing);
}

.trust-badge p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }

    .process-steps {
        flex-direction: column;
        gap: 3rem;
    }

    .process-steps::before {
        display: none;
    }

    .step {
        width: 100%;
    }
}