/* ===== DataOps Pro - Premium SaaS Design ===== */

/* ===== CSS Variables ===== */
:root {
    /* Primary Cosmic Colors */
    --deep-space-navy: #0a1628;
    --cosmic-blue: #1e3a8a;
    --nebula-purple: #7c3aed;
    --cyan-glow: #06b6d4;
    --ice-blue: #38bdf8;
    --white-silver: #e0f2fe;
    --pure-white: #ffffff;
    --charcoal: #1f2937;

    /* Secondary Colors */
    --light-cosmic-bg: #0f172a;
    --mid-gray: #64748b;
    --border-cosmic: #1e293b;
    --light-gray: #f9fafb;
    --border-gray: #e5e7eb;

    /* Gradients - Cosmic Theme */
    --gradient-primary: linear-gradient(135deg, var(--cosmic-blue) 0%, var(--nebula-purple) 50%, var(--cyan-glow) 100%);
    --gradient-success: linear-gradient(135deg, var(--cyan-glow) 0%, var(--ice-blue) 100%);
    --gradient-cosmic-glow: radial-gradient(circle, var(--cyan-glow) 0%, var(--cosmic-blue) 50%, var(--deep-space-navy) 100%);

    /* Shadows with cosmic glow */
    --shadow-sm: 0 1px 2px 0 rgba(6, 182, 212, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(6, 182, 212, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(6, 182, 212, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(6, 182, 212, 0.4);
    --glow-cyan: 0 0 20px rgba(6, 182, 212, 0.6);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--white);
    color: var(--charcoal);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== Navigation ===== */
nav {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-gray);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cosmic-blue);
    text-decoration: none;
    position: relative;
}

/* Spiral Galaxy Particles around Logo */
.logo::before,
.logo::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

/* Particle orbit ring */
.logo::before {
    width: 80px;
    height: 80px;
    border: 1px solid rgba(6, 182, 212, 0.2);
    top: 50%;
    left: -10px;
    transform: translateY(-50%);
    animation: spiral-rotate 10s linear infinite;
}

/* Glowing particle */
.logo::after {
    width: 4px;
    height: 4px;
    background: var(--cyan-glow);
    box-shadow: var(--glow-cyan);
    top: 50%;
    left: -10px;
    animation: particle-orbit 10s linear infinite;
}

@keyframes spiral-rotate {
    0% {
        transform: translateY(-50%) rotate(0deg);
    }

    100% {
        transform: translateY(-50%) rotate(360deg);
    }
}

@keyframes particle-orbit {
    0% {
        transform: translateY(-50%) rotate(0deg) translateX(40px) rotate(0deg);
    }

    100% {
        transform: translateY(-50%) rotate(360deg) translateX(40px) rotate(-360deg);
    }
}

.logo img {
    height: 40px;
    width: auto;
    position: relative;
    filter: drop-shadow(0 0 10px rgba(6, 182, 212, 0.3));
    animation: logo-pulse 3s ease-in-out infinite;
}

@keyframes logo-pulse {

    0%,
    100% {
        filter: drop-shadow(0 0 10px rgba(6, 182, 212, 0.3));
    }

    50% {
        filter: drop-shadow(0 0 20px rgba(6, 182, 212, 0.6));
    }
}

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

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--mid-gray);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--cosmic-blue);
}

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

.nav-cta {
    background: var(--gradient-primary);
    color: var(--pure-white);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(135deg, #0a1628 0%, #1e3a8a 50%, #0f172a 100%);
    padding: 6rem var(--spacing-lg) 5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Cosmic particle stars */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(2px 2px at 20% 30%, var(--cyan-glow), transparent),
        radial-gradient(2px 2px at 60% 70%, var(--ice-blue), transparent),
        radial-gradient(1px 1px at 50% 50%, white, transparent),
        radial-gradient(1px 1px at 80% 10%, var(--cyan-glow), transparent),
        radial-gradient(2px 2px at 90% 60%, var(--nebula-purple), transparent),
        radial-gradient(1px 1px at 33% 80%, white, transparent),
        radial-gradient(1px 1px at 15% 90%, var(--ice-blue), transparent);
    background-size: 200% 200%;
    background-position: 0% 0%;
    animation: cosmic-drift 20s ease-in-out infinite;
    opacity: 0.6;
    pointer-events: none;
}

@keyframes cosmic-drift {

    0%,
    100% {
        background-position: 0% 0%;
        opacity: 0.4;
    }

    50% {
        background-position: 100% 100%;
        opacity: 0.7;
    }
}

/* Spiral particles overlay */
.hero::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        conic-gradient(from 0deg at 50% 50%,
            transparent 0deg,
            rgba(6, 182, 212, 0.1) 60deg,
            transparent 120deg,
            rgba(124, 58, 237, 0.1) 180deg,
            transparent 240deg,
            rgba(56, 189, 248, 0.1) 300deg,
            transparent 360deg);
    animation: spiral-spin 30s linear infinite;
    pointer-events: none;
}

@keyframes spiral-spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--white-silver);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--white-silver);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
    padding: 0.9rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(30, 64, 175, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--deep-blue);
    border: 2px solid var(--deep-blue);
}

.btn-secondary:hover {
    background: var(--deep-blue);
    color: var(--white);
    transform: translateY(-3px);
}

.btn-feature {
    background: var(--gradient-success);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-feature:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.4);
}

/* ===== Ad Space ===== */
.ad-space {
    background: var(--light-gray);
    border: 2px dashed var(--border-gray);
    border-radius: 10px;
    padding: var(--spacing-lg);
    text-align: center;
    margin: var(--spacing-xl) auto;
    max-width: 1200px;
}

.ad-space.banner {
    max-width: 728px;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ad-space.responsive {
    width: 100%;
    min-height: 100px;
}

.ad-placeholder {
    width: 100%;
    height: 100%;
    background: transparent;
}

/* ===== Features Section ===== */
.features {
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: var(--white);
}

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--charcoal);
    margin-bottom: var(--spacing-sm);
}

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

/* Feature Section Layout */
.feature-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl) 0;
}

.feature-section.reverse {
    direction: rtl;
}

.feature-section.reverse>* {
    direction: ltr;
}

.feature-content {
    padding: var(--spacing-lg);
}

.feature-icon-large {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-lg);
}

.feature-icon-large i {
    font-size: 2rem;
    color: var(--white);
}

.feature-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    font-size: 1.1rem;
    color: var(--mid-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--charcoal);
    font-size: 0.95rem;
}

.feature-list i {
    color: var(--emerald-green);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

/* Feature Visuals */
.feature-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    padding: var(--spacing-lg);
}

.visual-card {
    background: var(--white);
    border: 2px solid var(--border-gray);
    border-radius: 15px;
    padding: var(--spacing-lg);
    text-align: center;
    min-width: 120px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.visual-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--deep-blue);
}

.visual-card.highlight {
    background: var(--gradient-primary);
    border-color: var(--deep-blue);
    color: var(--white);
}

.visual-card i {
    font-size: 2rem;
    color: var(--deep-blue);
    margin-bottom: 0.5rem;
}

.visual-card.highlight i {
    color: var(--white);
}

.visual-card p {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--charcoal);
}

.visual-card.highlight p {
    color: var(--white);
}

.visual-arrow {
    font-size: 1.5rem;
    color: var(--mid-gray);
    font-weight: 700;
}

.visual-merge {
    width: 50px;
    height: 50px;
    background: var(--emerald-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
}

/* Automation Grid */
.automation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
}

.auto-card {
    background: var(--light-gray);
    border: 2px solid var(--border-gray);
    border-radius: 10px;
    padding: var(--spacing-md);
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--charcoal);
    transition: all 0.3s ease;
}

.auto-card i {
    display: block;
    font-size: 1.5rem;
    color: var(--deep-blue);
    margin-bottom: 0.5rem;
}

.auto-card:hover {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: var(--deep-blue);
    transform: scale(1.05);
}

.auto-card:hover i {
    color: var(--white);
}

/* ===== Trust Section ===== */
.trust-section {
    background: var(--light-gray);
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.trust-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.trust-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--charcoal);
    margin-bottom: var(--spacing-sm);
}

.trust-header p {
    font-size: 1.1rem;
    color: var(--mid-gray);
}

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

.trust-card {
    background: var(--white);
    border-radius: 15px;
    padding: var(--spacing-xl);
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.trust-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.trust-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--soft-purple) 0%, var(--deep-blue) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.trust-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.trust-card h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: var(--spacing-sm);
}

.trust-card p {
    font-size: 0.95rem;
    color: var(--mid-gray);
    line-height: 1.6;
}

/* ===== Footer ===== */
footer {
    background: var(--charcoal);
    color: var(--white);
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-md);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.3rem;
    font-weight: 700;
}

.footer-logo img {
    height: 35px;
    width: auto;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding-top: var(--spacing-md);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {

    .feature-section,
    .feature-section.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }

    .automation-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-sm);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-cta {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .feature-content h3 {
        font-size: 1.5rem;
    }

    .trust-header h2 {
        font-size: 2rem;
    }

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

    .footer-container {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }

    .feature-visual {
        flex-direction: column;
    }

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

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--deep-blue);
}