@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@400;600;700;800&display=swap');

:root {
    /* BRDGE AI Palette */
    --navy-dark: #0f172a;
    --navy-slate: #1e293b;
    --navy-light: #334155;
    --tech-blue: #3b82f6;
    --tech-cyan: #06b6d4;
    --light-slate: #cbd5e1;
    --white: #ffffff;
    --bg-dark: #0b1120;
    
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
    --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--light-slate);
    background-color: var(--bg-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    color: var(--white);
    line-height: 1.2;
}

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

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

/* UI Elements */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 4px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--tech-blue), var(--tech-cyan));
    color: var(--white);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(6, 182, 212, 0.5);
    color: var(--white);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--tech-blue);
    color: var(--tech-cyan);
}

.btn-secondary:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--white);
    border-color: var(--tech-cyan);
}

.btn-small {
    padding: 10px 20px;
    font-size: 0.85rem;
}

.text-gradient {
    background: linear-gradient(to right, var(--tech-blue), var(--tech-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.blueprint-bg {
    background: url('imgs/blueprint_bg.png') center/cover fixed;
    position: relative;
}

.blueprint-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(11, 17, 32, 0.85); /* Dark overlay */
    z-index: 0;
}

.blueprint-bg > * {
    position: relative;
    z-index: 1;
}

/* Forms & Assessments */
.assessment-form {
    background: var(--navy-dark);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid rgba(59, 130, 246, 0.3);
    box-shadow: var(--shadow-glow);
    max-width: 800px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--white);
}

.form-control {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--white);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--tech-blue);
    background: rgba(255, 255, 255, 0.1);
}

.score-result {
    display: none;
    text-align: center;
    padding: 30px;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid var(--tech-cyan);
    border-radius: 8px;
    margin-top: 30px;
    animation: fadeUp 0.5s ease;
}

.score-result h3 {
    font-size: 2.5rem;
    color: var(--tech-cyan);
    margin-bottom: 10px;
}

.score-result p {
    font-size: 1.1rem;
    color: var(--white);
}

/* Header & Nav */
header {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: rgba(245, 248, 250, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    z-index: 1000;
    padding: 15px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: padding 0.3s ease;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1;
}

.logo-text span:first-child {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.logo-text span:last-child {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: 4.5px;
    text-transform: uppercase;
    margin-top: 2px;
    margin-left: 2px;
}

.nav-center {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
    align-items: center;
}

.nav-links a {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--navy-slate);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: linear-gradient(90deg, var(--tech-blue), var(--tech-cyan));
    transition: width 0.3s ease;
}

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

.header-cta {
    display: flex;
    align-items: center;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--navy-slate);
    cursor: pointer;
    background: none;
    border: none;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 5% 80px;
    position: relative;
    background: url('imgs/brdge_hero.png') center/cover no-repeat;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, rgba(11,17,32,0.95) 0%, rgba(11,17,32,0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    animation: fadeUp 1s ease forwards;
}

.hero-badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 30px;
    color: var(--tech-cyan);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 25px;
    background: linear-gradient(to right, var(--white), var(--light-slate));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    max-width: 650px;
    color: var(--light-slate);
}

.hero-actions {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* Social Proof Bar */
.trust-bar {
    background: var(--navy-dark);
    padding: 30px 5%;
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    text-align: center;
}

.trust-bar p {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--light-slate);
    margin-bottom: 20px;
    font-weight: 600;
}

.logo-ticker {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
    opacity: 0.5;
}

.logo-ticker i {
    font-size: 2rem;
    color: var(--white);
}

/* Section Shared */
.section-padding {
    padding: 100px 5%;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--light-slate);
}

/* Service Pillars */
.pillars {
    background-color: var(--bg-dark);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.pillar-card {
    background: var(--navy-slate);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
}

.pillar-card:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: var(--shadow-glow);
}

.pillar-card i {
    font-size: 2.5rem;
    color: var(--tech-cyan);
    margin-bottom: 20px;
}

.pillar-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.pillar-card p {
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.link-arrow {
    color: var(--tech-blue);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.link-arrow:hover {
    color: var(--tech-cyan);
    gap: 10px;
}

/* Infrastructure Focus */
.infrastructure-focus {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
}

.infra-text h3 {
    font-size: 2.5rem;
    margin-bottom: 25px;
}

.infra-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.check-list {
    list-style: none;
    margin-bottom: 30px;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    font-weight: 500;
}

.check-list i {
    color: var(--tech-cyan);
    background: rgba(6, 182, 212, 0.1);
    padding: 8px;
    border-radius: 50%;
}

.infra-img {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(59, 130, 246, 0.3);
    box-shadow: var(--shadow-glow);
}

/* AI Agents Grid */
.agents-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.agent-item {
    background: var(--navy-dark);
    border: 1px solid rgba(255,255,255,0.05);
    padding: 20px;
    border-radius: 6px;
    text-align: center;
    transition: var(--transition);
}

.agent-item:hover {
    background: var(--navy-slate);
    border-color: var(--tech-blue);
}

.agent-item i {
    font-size: 1.5rem;
    color: var(--tech-cyan);
    margin-bottom: 10px;
}

.agent-item span {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--white);
}

/* Lead Magnet CTA */
.lead-magnet {
    background: linear-gradient(135deg, var(--navy-slate), var(--bg-dark));
    border-radius: 12px;
    padding: 60px;
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: var(--shadow-card);
}

.lead-magnet h3 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.lead-magnet p {
    font-size: 1.1rem;
    margin-bottom: 30px;
}

/* Footer */
footer {
    background: var(--navy-dark);
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 80px 5% 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto 60px;
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--light-slate);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--tech-cyan);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    color: var(--white);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--tech-blue);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-legal {
    display: flex;
    gap: 20px;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content h1 { font-size: 3.2rem; }
    .infrastructure-focus { grid-template-columns: 1fr; }
    .agents-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-center { display: none; }
    .header-cta { display: none; }
    .mobile-menu-btn { display: block; }
    
    .nav-links {
        display: flex !important;
        position: fixed;
        top: 73px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 73px);
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        transition: left 0.4s ease;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .hero-content h1 { font-size: 2.5rem; }
    .hero-actions { flex-direction: column; }
    .agents-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 20px; }
}