/* ============================================
   PowerBlaze Enterprise Limited
   Premium Corporate Landing Page Styles
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Colors */
    --color-bg: #09090b;
    --color-bg-elevated: #18181b;
    --color-bg-card: #1c1c21;
    --color-bg-card-hover: #232329;
    --color-surface: #27272a;
    --color-border: #2e2e33;
    --color-border-subtle: #1f1f23;
    
    --color-text-primary: #fafafa;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;
    
    --color-accent: #6366f1;
    --color-accent-light: #818cf8;
    --color-accent-dark: #4f46e5;
    --color-accent-glow: rgba(99, 102, 241, 0.15);
    
    --color-maritime: #06b6d4;
    --color-maritime-glow: rgba(6, 182, 212, 0.12);
    --color-health: #f472b6;
    --color-health-glow: rgba(244, 114, 182, 0.12);
    
    --color-success: #10b981;
    
    /* Typography */
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --section-padding: 120px;
    --container-max: 1200px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

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

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* --- Container --- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.9rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
    background: var(--color-accent-light);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent-light);
    background: var(--color-accent-glow);
}

.btn-full {
    width: 100%;
}

.btn--success {
    background: var(--color-success) !important;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.3) !important;
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-base);
}

.header--scrolled {
    padding: 12px 0;
    background: rgba(9, 9, 11, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-subtle);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.nav {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-link {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    font-weight: 400;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--color-text-primary);
}

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

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 var(--section-padding);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    top: -40%;
    left: 50%;
    transform: translateX(-50%);
    width: 900px;
    height: 900px;
    background: radial-gradient(ellipse, rgba(99, 102, 241, 0.12) 0%, rgba(99, 102, 241, 0.04) 40%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 8px 18px;
    background: var(--color-accent-glow);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-accent-light);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 28px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.2rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.hero-accent {
    background: linear-gradient(135deg, var(--color-accent-light), var(--color-maritime));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 72px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 56px;
    padding-top: 48px;
    border-top: 1px solid var(--color-border-subtle);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* --- Section Shared --- */
.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 14px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    line-height: 1.15;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* --- Solutions Section --- */
.solutions {
    padding: var(--section-padding) 0;
}

.solutions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.solution-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.06), transparent);
}

.solution-card:hover {
    background: var(--color-bg-card-hover);
    border-color: rgba(99, 102, 241, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 60px var(--color-accent-glow);
}

.solution-card--featured {
    grid-column: 1 / -1;
}

.solution-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

.solution-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--color-accent-glow);
    color: var(--color-accent-light);
}

.solution-icon--maritime {
    background: var(--color-maritime-glow);
    color: var(--color-maritime);
}

.solution-icon--health {
    background: var(--color-health-glow);
    color: var(--color-health);
}

.solution-sector {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.solution-title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.solution-desc {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.solution-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 24px;
}

.solution-features li {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    padding-left: 20px;
    position: relative;
}

.solution-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
}

.solution-card--featured .solution-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.solution-card-footer {
    padding-top: 20px;
    border-top: 1px solid var(--color-border-subtle);
}

.solution-status {
    font-size: 0.8rem;
    color: var(--color-success);
    font-weight: 500;
}

/* --- Tech Section --- */
.tech {
    padding: var(--section-padding) 0;
    background: var(--color-bg-elevated);
    position: relative;
}

.tech::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.tech-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    transition: all var(--transition-slow);
}

.tech-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.2);
}

.tech-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    background: var(--color-accent-glow);
    border-radius: var(--radius-md);
    color: var(--color-accent-light);
    transition: all var(--transition-base);
}

.tech-icon--vite {
    background: rgba(189, 52, 254, 0.1);
    color: #bd34fe;
}

.tech-icon--supabase {
    background: rgba(62, 207, 142, 0.1);
    color: #3ecf8e;
}

.tech-icon--ai {
    background: rgba(251, 191, 36, 0.1);
    color: #fbbf24;
}

.tech-card:hover .tech-icon {
    transform: scale(1.1);
}

.tech-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.tech-desc {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* --- Contact Section --- */
.contact {
    padding: var(--section-padding) 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: start;
}

.contact-info .section-tag {
    margin-bottom: 16px;
}

.contact-info .section-title {
    text-align: left;
    margin-bottom: 20px;
}

.contact-desc {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 36px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-item-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-accent-light);
    flex-shrink: 0;
}

.contact-item-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 2px;
}

.contact-item-value {
    font-size: 0.95rem;
    color: var(--color-text-primary);
    font-weight: 500;
}

.contact-item-value:hover {
    color: var(--color-accent-light);
}

/* Contact Form */
.contact-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 0.92rem;
    transition: all var(--transition-fast);
    outline: none;
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2371717a' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 44px;
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-form .btn {
    margin-top: 8px;
}

/* --- Footer --- */
.footer {
    padding: 48px 0;
    border-top: 1px solid var(--color-border-subtle);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.footer-tagline {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 28px;
}

.footer-links a {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
}

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

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--color-border-subtle);
}

.footer-bottom p {
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    :root {
        --section-padding: 88px;
    }

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

    .contact-wrapper {
        gap: 48px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 72px;
    }

    /* Mobile Nav */
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-bg-elevated);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 32px 32px;
        gap: 24px;
        border-left: 1px solid var(--color-border);
        transition: right var(--transition-slow);
    }

    .nav--open {
        right: 0;
    }

    .nav-link {
        font-size: 1.1rem;
    }

    .mobile-toggle {
        display: flex;
    }

    .header-inner .btn {
        display: none;
    }

    /* Hero */
    .hero {
        padding: 120px 0 80px;
        min-height: auto;
    }

    .hero-stats {
        gap: 32px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        max-width: 320px;
        margin-left: auto;
        margin-right: auto;
    }

    /* Solutions */
    .solutions-grid {
        grid-template-columns: 1fr;
    }

    .solution-card--featured .solution-features {
        grid-template-columns: 1fr;
    }

    /* Tech */
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .tech-card {
        padding: 28px 20px;
    }

    /* Contact */
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .contact-info .section-title {
        font-size: 1.6rem;
    }

    .contact-form {
        padding: 28px;
    }

    /* Footer */
    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: 20px;
        align-items: center;
    }

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

    .solution-card {
        padding: 28px 24px;
    }
}

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge,
.hero-title,
.hero-subtitle,
.hero-cta,
.hero-stats {
    animation: fadeInUp 0.7s ease forwards;
    opacity: 0;
}

.hero-badge { animation-delay: 0.1s; }
.hero-title { animation-delay: 0.2s; }
.hero-subtitle { animation-delay: 0.35s; }
.hero-cta { animation-delay: 0.5s; }
.hero-stats { animation-delay: 0.65s; }