/* =============================================
   CRESTCLAW - AI AUTOMATION AGENCY
   Premium Enterprise Website Styles
   ============================================= */

/* CSS Variables */
:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #0f0f18;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7b;
    
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    
    --blue-glow: rgba(59, 130, 246, 0.5);
    --purple-glow: rgba(139, 92, 246, 0.5);
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --section-padding: 120px;
    --container-width: 1280px;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul {
    list-style: none;
}

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

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

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

/* =============================================
   NAVBAR
   ============================================= */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    width: 42px;
    height: 42px;
    object-fit: contain;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: var(--transition-smooth);
}

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

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

.cta-button {
    padding: 14px 28px;
    background: var(--accent-gradient);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 12px;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

/* =============================================
   HERO SECTION
   ============================================= */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 80px;
    overflow: hidden;
}

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

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.25) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 50% 30% at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { opacity: 0.8; transform: scale(1); }
    100% { opacity: 1; transform: scale(1.05); }
}

.hero-grid {
    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%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
}

.hero-title {
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    background: linear-gradient(180deg, #ffffff 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleFadeIn 1s ease-out;
}

@keyframes titleFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 48px;
    line-height: 1.7;
    animation: subtitleFadeIn 1s ease-out 0.2s both;
}

@keyframes subtitleFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    animation: buttonsFadeIn 1s ease-out 0.4s both;
}

@keyframes buttonsFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn-primary {
    padding: 18px 36px;
    background: var(--accent-gradient);
    color: var(--text-primary);
    font-size: 1.0625rem;
    font-weight: 600;
    border-radius: 14px;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 24px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.45);
}

.btn-secondary {
    padding: 18px 36px;
    background: transparent;
    color: var(--text-primary);
    font-size: 1.0625rem;
    font-weight: 600;
    border-radius: 14px;
    border: 1px solid var(--border-hover);
    transition: var(--transition-smooth);
}

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--text-muted);
    transform: translateY(-3px);
}

/* =============================================
   SECTION HEADERS
   ============================================= */

.section-header {
    text-align: center;
    margin-bottom: 72px;
}

.section-title {
    font-size: clamp(2.25rem, 5vw, 3.25rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: clamp(1rem, 1.5vw, 1.1875rem);
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
}

/* =============================================
   BENEFITS SECTION
   ============================================= */

.benefits {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
    position: relative;
}

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

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.benefit-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px 32px;
    transition: var(--transition-smooth);
    overflow: hidden;
    cursor: pointer;
}

.benefit-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), transparent 50%, rgba(59, 130, 246, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: var(--transition-smooth);
}

.benefit-card:hover::before {
    opacity: 1;
}

.benefit-card:hover {
    transform: translateY(-8px);
    background: var(--bg-card-hover);
    border-color: rgba(59, 130, 246, 0.3);
}

.card-glow {
    position: absolute;
    inset: 0;
    border-radius: 24px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    background: radial-gradient(
        800px circle at var(--x, 50%) var(--y, 50%),
        rgba(59, 130, 246, 0.15) 0%,
        transparent 40%
    );
}

.benefit-card[data-glow="blue"] .card-glow {
    background: radial-gradient(
        800px circle at var(--x, 50%) var(--y, 50%),
        rgba(59, 130, 246, 0.15) 0%,
        transparent 40%
    );
}

.benefit-card:hover .card-glow {
    opacity: 1;
}

.benefit-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.05));
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.benefit-icon svg {
    width: 32px;
    height: 32px;
    stroke: #3b82f6;
}

.benefit-title {
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.benefit-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* =============================================
   SOLUTIONS SECTION
   ============================================= */

.solutions {
    padding: var(--section-padding) 0;
    background: var(--bg-primary);
    position: relative;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.solution-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px 32px;
    transition: var(--transition-smooth);
    overflow: hidden;
    cursor: pointer;
}

.solution-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.3), transparent 50%, rgba(139, 92, 246, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: var(--transition-smooth);
}

.solution-card:hover::before {
    opacity: 1;
}

.solution-card:hover {
    transform: translateY(-8px);
    background: var(--bg-card-hover);
    border-color: rgba(139, 92, 246, 0.3);
}

.solution-card .card-glow {
    position: absolute;
    inset: 0;
    border-radius: 24px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    background: radial-gradient(
        800px circle at var(--x, 50%) var(--y, 50%),
        rgba(139, 92, 246, 0.15) 0%,
        transparent 40%
    );
}

.solution-card[data-glow="purple"] .card-glow {
    background: radial-gradient(
        800px circle at var(--x, 50%) var(--y, 50%),
        rgba(139, 92, 246, 0.15) 0%,
        transparent 40%
    );
}

.solution-card:hover .card-glow {
    opacity: 1;
}

.solution-title {
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.solution-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.solution-price {
    display: inline-block;
    padding: 10px 18px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 10px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: #a78bfa;
}

/* =============================================
   WHY CRESTCLAW SECTION
   ============================================= */

.why-crestclaw {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
    position: relative;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.why-item {
    text-align: center;
    padding: 48px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    transition: var(--transition-smooth);
}

.why-item:hover {
    transform: translateY(-8px);
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

.why-icon {
    width: 72px;
    height: 72px;
    background: var(--accent-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.why-icon svg {
    width: 36px;
    height: 36px;
    stroke: white;
}

.why-title {
    font-size: 1.3125rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.why-description {
    font-size: 0.9875rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* =============================================
   CTA SECTION
   ============================================= */

.cta-section {
    padding: 140px 24px;
    position: relative;
    overflow: hidden;
}

.cta-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.cta-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 60% at 50% 50%, rgba(99, 102, 241, 0.3) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 20% 80%, rgba(139, 92, 246, 0.2) 0%, transparent 50%);
    animation: ctaGlow 6s ease-in-out infinite alternate;
}

@keyframes ctaGlow {
    0% { opacity: 0.7; }
    100% { opacity: 1; }
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.cta-subtitle {
    font-size: clamp(1rem, 1.5vw, 1.1875rem);
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.btn-cta {
    display: inline-block;
    padding: 20px 44px;
    background: var(--accent-gradient);
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 14px;
    transition: var(--transition-smooth);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.4);
}

.btn-cta:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(99, 102, 241, 0.5);
}

/* =============================================
   CONTACT SECTION
   ============================================= */

.contact {
    padding: var(--section-padding) 0;
    background: var(--bg-primary);
    position: relative;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 48px;
}

.contact-item {
    text-align: center;
    padding: 40px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    transition: var(--transition-smooth);
}

.contact-item:hover {
    transform: translateY(-4px);
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

.contact-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.1));
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.contact-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--accent-primary);
}

.contact-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.contact-value {
    font-size: 1.1875rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

.whatsapp-button-container {
    text-align: center;
}

.whatsapp-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 36px;
    background: #25D366;
    color: white;
    font-size: 1.0625rem;
    font-weight: 600;
    border-radius: 14px;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 24px rgba(37, 211, 102, 0.3);
}

.whatsapp-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.4);
}

.whatsapp-button svg {
    width: 24px;
    height: 24px;
}

/* =============================================
   FOOTER
   ============================================= */

.footer {
    padding: 80px 0 40px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .footer-logo {
    font-size: 2rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    margin-bottom: 16px;
}

.footer-description {
    color: var(--text-secondary);
    font-size: 0.9875rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.social-link:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-3px);
}

.social-link svg {
    width: 20px;
    height: 20px;
    fill: var(--text-secondary);
}

.footer-title {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.footer-links ul li {
    margin-bottom: 14px;
}

.footer-links ul li a {
    color: var(--text-secondary);
    font-size: 0.9875rem;
    transition: var(--transition-fast);
}

.footer-links ul li a:hover {
    color: var(--text-primary);
}

.footer-contact ul li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 0.9875rem;
    margin-bottom: 16px;
}

.footer-contact ul li svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-muted);
    flex-shrink: 0;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9375rem;
}

/* =============================================
   RESPONSIVE DESIGN
   ============================================= */

@media (max-width: 1200px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    :root {
        --section-padding: 80px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .cta-button {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: clamp(2.5rem, 6vw, 4rem);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 64px;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section-header {
        margin-bottom: 48px;
    }
    
    .benefit-card,
    .solution-card,
    .why-item,
    .contact-item {
        padding: 32px 24px;
    }
    
    .cta-content {
        padding: 0 12px;
    }
}

/* =============================================
   ANIMATIONS
   ============================================= */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}