/* Privaulta Brand Styles - All Sans Serif */
:root {
    --deep-slate-navy: #0A192F;
    --heritage-gold: #B99D64;
    --frosted-cyan: #00D2FF;
    --steel-silver: #B2BEC3;
    --pure-alabaster: #F8FAFC;
    --charcoal-slate: #2D3436;
    
    --cyan-glow: rgba(0, 210, 255, 0.4);
    --gold-soft: rgba(185, 157, 100, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: var(--pure-alabaster);
    background-color: var(--deep-slate-navy);
}

h1, h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px 48px;
    position: relative;
    z-index: 10;
}

.logo {
    height: 240px;
    width: auto;
}

.nav-cta {
    font-size: 15px;
    font-weight: 500;
    color: var(--heritage-gold);
    text-decoration: none;
    padding: 12px 28px;
    border: 2px solid var(--heritage-gold);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    background: var(--heritage-gold);
    color: var(--deep-slate-navy);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(rgba(10, 25, 47, 0.75), rgba(10, 25, 47, 0.85)),
        url('assets/vault-door-bg.webp') center center / cover no-repeat;
    background-color: var(--deep-slate-navy);
}

.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 24px 80px;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--pure-alabaster);
}

.tagline {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--heritage-gold);
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.hero-sub {
    max-width: 700px;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--steel-silver);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-glow {
    position: absolute;
    bottom: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, var(--cyan-glow) 0%, transparent 70%);
    pointer-events: none;
}

/* Buttons */
.btn {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    padding: 16px 32px;
    border-radius: 4px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--heritage-gold);
    color: var(--deep-slate-navy);
}

.btn-primary:hover {
    background: #d4b87a;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(185, 157, 100, 0.3);
}

.btn-large {
    font-size: 1.125rem;
    padding: 20px 48px;
}

/* Sections */
.section {
    padding: 50px 0;
}

.section h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: var(--pure-alabaster);
}

.section-intro {
    text-align: center;
    font-size: 1.125rem;
    color: var(--steel-silver);
    margin-top: -40px;
    margin-bottom: 60px;
}

/* Problem Section */
.problem {
    background: linear-gradient(180deg, var(--deep-slate-navy) 0%, var(--charcoal-slate) 100%);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.problem-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(178, 190, 195, 0.1);
    border-radius: 8px;
    padding: 40px 32px;
}

.problem-card p {
    color: var(--steel-silver);
    font-size: 1rem;
    line-height: 1.7;
}

.problem-card strong {
    color: var(--pure-alabaster);
}

/* Solution Section */
.solution {
    background: var(--charcoal-slate);
}

.promise-box {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px;
    background: var(--deep-slate-navy);
    border: 2px solid var(--heritage-gold);
    border-radius: 8px;
    text-align: center;
}

.promise-text {
    font-size: 1.5rem;
    font-weight: 400;
    line-height: 1.6;
    color: var(--steel-silver);
}

.highlight {
    color: var(--frosted-cyan);
    font-weight: 500;
}

/* Features Section */
.features {
    background: var(--deep-slate-navy);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 48px;
}

.features-col h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 32px;
    color: var(--heritage-gold);
}

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

.feature-list li {
    padding: 16px 0;
    padding-left: 36px;
    position: relative;
    font-size: 1rem;
    color: var(--steel-silver);
    border-bottom: 1px solid rgba(178, 190, 195, 0.1);
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list.does li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--frosted-cyan);
    font-weight: 600;
}

.feature-list.doesnt li::before {
    content: "✕";
    position: absolute;
    left: 0;
    color: var(--heritage-gold);
    font-weight: 600;
}

/* Screenshots/Carousel Section */
.screenshots {
    background: linear-gradient(180deg, var(--deep-slate-navy) 0%, var(--charcoal-slate) 100%);
}

.carousel {
    max-width: 1000px;
    margin: 0 auto;
}

.carousel-track {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    border-radius: 8px;
    border: 1px solid rgba(178, 190, 195, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.slide-caption {
    text-align: center;
    margin-top: 24px;
    font-size: 1.125rem;
    color: var(--steel-silver);
}

.carousel-nav {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 32px;
}

.carousel-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--steel-silver);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-btn:hover {
    border-color: var(--heritage-gold);
}

.carousel-btn.active {
    background: var(--heritage-gold);
    border-color: var(--heritage-gold);
}

/* Technical Section */
.technical {
    background: var(--charcoal-slate);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.tech-card {
    background: var(--deep-slate-navy);
    border: 1px solid rgba(0, 210, 255, 0.2);
    border-radius: 8px;
    padding: 32px;
}

.tech-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--frosted-cyan);
    margin-bottom: 12px;
}

.tech-card p {
    color: var(--steel-silver);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Differentiators Section */
.differentiators {
    background: var(--deep-slate-navy);
}

.diff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.diff-card {
    background: rgba(0, 210, 255, 0.05);
    border: 1px solid rgba(0, 210, 255, 0.2);
    border-radius: 8px;
    padding: 48px 32px;
    text-align: center;
    transition: all 0.3s ease;
}

.diff-card:hover {
    border-color: var(--frosted-cyan);
    box-shadow: 0 0 40px rgba(0, 210, 255, 0.15);
}

.diff-card h4 {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--heritage-gold);
    margin-bottom: 16px;
}

.diff-card p {
    color: var(--steel-silver);
    line-height: 1.7;
}

/* Pricing Section */
.pricing {
    background: linear-gradient(180deg, var(--deep-slate-navy) 0%, var(--charcoal-slate) 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--deep-slate-navy);
    border: 1px solid rgba(178, 190, 195, 0.2);
    border-radius: 8px;
    padding: 48px 40px;
    text-align: center;
}

.pricing-card.primary {
    border-color: var(--heritage-gold);
    position: relative;
}

.pricing-card.primary::before {
    content: "Most Popular";
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--heritage-gold);
    color: var(--deep-slate-navy);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 16px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-header {
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(178, 190, 195, 0.1);
}

.pricing-label {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--steel-silver);
}

.pricing-amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--heritage-gold);
    margin: 16px 0 8px;
}

.per-year {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--steel-silver);
}

.pricing-breakdown {
    font-size: 14px;
    color: var(--steel-silver);
}

.pricing-features {
    list-style: none;
    text-align: left;
}

.pricing-features li {
    padding: 12px 0;
    padding-left: 28px;
    position: relative;
    color: var(--steel-silver);
    font-size: 15px;
}

.pricing-features li::before {
    content: "•";
    position: absolute;
    left: 8px;
    color: var(--heritage-gold);
}

/* Value Section */
.value {
    background: var(--charcoal-slate);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.value-card {
    background: var(--gold-soft);
    border-left: 4px solid var(--heritage-gold);
    padding: 32px;
    border-radius: 0 8px 8px 0;
}

.value-card p {
    font-size: 1.125rem;
    color: var(--steel-silver);
    line-height: 1.6;
}

.value-card strong {
    color: var(--heritage-gold);
}

/* CTA Section */
.cta {
    background: linear-gradient(180deg, var(--charcoal-slate) 0%, #061020 100%);
    text-align: center;
    padding: 60px 0;
}

.cta-text {
    font-size: 1.25rem;
    color: var(--steel-silver);
    max-width: 600px;
    margin: 0 auto 16px;
}

.cta-subtext {
    font-size: 1rem;
    color: var(--frosted-cyan);
    margin-bottom: 40px;
}

/* Footer */
.footer {
    background: #030a14;
    padding: 40px 0;
    text-align: center;
}

.footer-logo {
    height: 360px;
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--steel-silver);
    margin-bottom: 16px;
}

.footer-contact {
    font-size: 1.125rem;
    margin-bottom: 16px;
}

.footer-contact a {
    color: var(--heritage-gold);
    text-decoration: none;
}

.footer-contact a:hover {
    text-decoration: underline;
}

.footer-company {
    font-size: 14px;
    color: var(--steel-silver);
    margin-bottom: 8px;
}

.footer-company a {
    color: var(--heritage-gold);
    text-decoration: none;
}

.footer-company a:hover {
    text-decoration: underline;
}

.footer-copy {
    font-size: 14px;
    color: rgba(178, 190, 195, 0.5);
}

/* Link to Technical Page */
.tech-link {
    text-align: center;
    margin-top: 48px;
}

.link-arrow {
    color: var(--heritage-gold);
    text-decoration: none;
    font-size: 1.125rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.link-arrow:hover {
    color: #d4b87a;
}

/* Technical Page Styles */
.page-header {
    background: var(--deep-slate-navy);
    padding: 24px 0;
}

.page-header .nav {
    justify-content: space-between;
}

.back-link {
    color: var(--steel-silver);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: var(--heritage-gold);
}

.page-content {
    background: var(--deep-slate-navy);
    padding: 60px 0 100px;
}

.page-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}

.page-intro {
    text-align: center;
    font-size: 1.25rem;
    color: var(--steel-silver);
    margin-bottom: 60px;
}

.tech-grid-full {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
    gap: 32px;
    margin-bottom: 60px;
}

.tech-card-large {
    background: var(--charcoal-slate);
    border: 1px solid rgba(0, 210, 255, 0.2);
    border-radius: 8px;
    padding: 40px;
}

.tech-card-large h3 {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--frosted-cyan);
    margin-bottom: 16px;
}

.tech-card-large p {
    color: var(--steel-silver);
    line-height: 1.7;
    margin-bottom: 20px;
}

.tech-card-large ul {
    list-style: none;
    padding: 0;
}

.tech-card-large li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--steel-silver);
    font-size: 0.95rem;
}

.tech-card-large li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--heritage-gold);
}

.tech-card-large strong {
    color: var(--pure-alabaster);
}

.tech-cta {
    text-align: center;
    padding: 60px 0;
    border-top: 1px solid rgba(178, 190, 195, 0.1);
}

.tech-cta p {
    color: var(--steel-silver);
    font-size: 1.125rem;
    margin-bottom: 24px;
}

.back-link-footer {
    display: inline-block;
    color: var(--steel-silver);
    text-decoration: none;
    margin-bottom: 24px;
    transition: color 0.3s ease;
}

.back-link-footer:hover {
    color: var(--heritage-gold);
}

/* Responsive */
@media (max-width: 768px) {
    .nav {
        padding: 24px;
    }
    
    .logo {
        height: 120px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section h2 {
        margin-bottom: 40px;
    }
    
    .promise-box {
        padding: 40px 24px;
    }
    
    .promise-text {
        font-size: 1.25rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card {
        padding: 32px 24px;
    }
    
    .pricing-amount {
        font-size: 2.5rem;
    }
    
    .carousel-track {
        min-height: 300px;
    }
    
    .footer-logo {
        height: 180px;
    }
}