/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1e40af;
    --color-primary-light: #3b82f6;
    --color-accent: #ff6b35;
    --color-accent-dark: #e55a2b;
    --color-gradient-start: #2563eb;
    --color-gradient-end: #ff6b35;
    --color-text: #0a1929;
    --color-text-light: #546e7a;
    --color-bg: #ffffff;
    --color-bg-dark: #0a1929;
    --color-bg-section: #f5f7fa;
    --color-border: #d0d7de;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 8rem;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.3);
    --shadow-glow-accent: 0 0 30px rgba(255, 107, 53, 0.4);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(37, 99, 235, 0.2);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border-bottom-color: rgba(37, 99, 235, 0.3);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-img {
    height: 40px;
    width: auto;
    transition: var(--transition);
    filter: brightness(0) invert(1);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: white !important;
    letter-spacing: -0.02em;
    transition: var(--transition);
    display: inline-block;
}

.logo:hover .logo-img {
    transform: scale(1.05);
    filter: brightness(0) invert(1) drop-shadow(0 0 8px rgba(37, 99, 235, 0.6));
}

.logo:hover .logo-text {
    color: #3b82f6 !important;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.95) !important;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover {
    color: white !important;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition);
}

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

.btn-nav-cta {
    padding: 0.75rem 1.5rem;
    background: var(--color-text);
    color: white !important;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 2px solid var(--color-text);
    z-index: 1;
}

.btn-nav-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.btn-nav-cta:hover::before {
    opacity: 1;
}

.btn-nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
    color: white !important;
    background: var(--color-primary);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: white;
    transition: var(--transition);
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(90deg, transparent 0%, rgba(37, 99, 235, 0.08) 1px, transparent 1px),
        linear-gradient(0deg, transparent 0%, rgba(37, 99, 235, 0.08) 1px, transparent 1px),
        linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    background-size: 120px 120px, 120px 120px, 100% 100%;
    background-position: 0 0, 0 0, 0 0;
    z-index: -1;
    overflow: hidden;
    animation: circuitMove 25s linear infinite;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(37, 99, 235, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 107, 53, 0.08) 0%, transparent 50%);
    animation: pulse 15s ease-in-out infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(45deg, transparent 30%, rgba(37, 99, 235, 0.04) 50%, transparent 70%),
        linear-gradient(-45deg, transparent 30%, rgba(255, 107, 53, 0.04) 50%, transparent 70%);
    background-size: 200px 200px;
    animation: slideDiagonal 20s linear infinite;
    opacity: 0.5;
}

@keyframes slideDiagonal {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(200px, 200px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.05);
    }
}

@keyframes circuitMove {
    0% {
        background-position: 0 0, 0 0, 0 0;
    }
    100% {
        background-position: 120px 120px, 120px 120px, 0 0;
    }
}

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

.hero-headline {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    color: white;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtext {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.rotating-word {
    display: inline-block;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    position: relative;
    width: 115px;
    text-align: left;
}

.rotating-word.fade-out {
    animation: fadeOut 0.5s ease-out forwards;
}

.rotating-word.fade-in {
    animation: fadeIn 0.5s ease-in forwards;
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-family: var(--font-family);
}

.btn-primary {
    background: var(--color-text);
    color: white !important;
    position: relative;
    overflow: hidden;
    border: 2px solid var(--color-text);
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary span {
    position: relative;
    z-index: 2;
    color: white !important;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white !important;
    border-color: var(--color-primary);
    background: var(--color-primary);
}

.btn-primary:hover span {
    color: white !important;
}

.btn-secondary {
    background: transparent;
    color: white !important;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white !important;
    border-color: white;
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

/* ============================================
   SECTIONS
   ============================================ */

section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
    color: var(--color-text);
    position: relative;
    z-index: 1;
}

/* ============================================
   SERVICES SECTION
   ============================================ */

.services {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 50%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(255, 107, 53, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border: 1px solid rgba(37, 99, 235, 0.1);
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(37, 99, 235, 0.15), 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: rgba(37, 99, 235, 0.3);
    background: white;
}

.service-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
    transition: var(--transition);
    position: relative;
}

.service-icon svg {
    filter: drop-shadow(0 2px 4px rgba(37, 99, 235, 0.2));
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    color: var(--color-accent);
}

.service-card:hover .service-icon svg {
    filter: drop-shadow(0 4px 8px rgba(255, 107, 53, 0.3));
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.service-card p {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ============================================
   CLOUD EXPERTISE SECTION
   ============================================ */

.cloud-expertise {
    background: var(--color-bg-dark);
    color: white;
}

.cloud-expertise .section-title {
    color: white;
}

.cloud-providers {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    margin-top: var(--spacing-lg);
}

.cloud-main-row,
.cloud-other-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.cloud-logo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: var(--transition);
    padding: 0.5rem;
}

.cloud-logo-item:hover {
    transform: translateY(-2px);
}

.cloud-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.01em;
    transition: var(--transition);
    text-align: center;
}

.cloud-logo-item:hover .cloud-name {
    color: white;
}

.cloud-logo-img {
    height: 32px;
    width: auto;
    max-width: 100px;
    object-fit: contain;
    filter: brightness(0) invert(1);
    opacity: 0.9;
    transition: var(--transition);
}

.cloud-logo-item:hover .cloud-logo-img {
    opacity: 1;
    filter: brightness(0) invert(1) drop-shadow(0 0 6px rgba(37, 99, 235, 0.4));
}

.cloud-others-text {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    font-weight: 400;
    font-style: italic;
    margin-top: 0.5rem;
}

/* ============================================
   WHY CHOOSE US SECTION
   ============================================ */

.why-choose-us {
    background: var(--color-bg-section);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: var(--spacing-lg);
}

.why-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid;
    border-image: linear-gradient(180deg, var(--color-primary), var(--color-accent)) 1;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.why-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
    transition: var(--transition);
}

.why-item:hover::before {
    height: 100%;
}

.why-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(37, 99, 235, 0.2);
}

.why-item h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.why-item p {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about {
    padding: var(--spacing-xl) 0;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

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

.cta-section {
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, #1e293b 100%);
    color: white;
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(37, 99, 235, 0.03) 10px,
            rgba(37, 99, 235, 0.03) 20px
        );
    animation: slideDiagonal 30s linear infinite;
}

.cta-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 30% 50%, rgba(37, 99, 235, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(255, 107, 53, 0.1) 0%, transparent 50%);
    animation: pulse 10s ease-in-out infinite;
    z-index: 0;
}

@keyframes slideDiagonal {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(20px, 20px);
    }
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
    color: white;
}

.cta-content h2,
.cta-content p {
    color: white !important;
}

.cta-headline {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

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

.footer {
    background: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 4rem;
    margin-bottom: var(--spacing-lg);
}

.footer-brand .logo {
    color: white;
    margin-bottom: 1rem;
    display: inline-flex;
}

.footer-brand .logo-text {
    color: white !important;
}

.footer-brand .logo:hover .logo-text {
    color: var(--color-primary) !important;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    color: white;
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
}

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

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Additional animation effects */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.service-card:hover .service-icon {
    animation: float 2s ease-in-out infinite;
}

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

@media (max-width: 968px) {
    .nav-links,
    .btn-nav-cta {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
    }

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

    .cloud-main-row,
    .cloud-other-row {
        gap: 2rem;
    }
    
    .cloud-logo-img {
        height: 28px;
        max-width: 90px;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

@media (max-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }

    section {
        padding: var(--spacing-lg) 0;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .cloud-providers {
        gap: 2rem;
    }
    
    .cloud-main-row,
    .cloud-other-row {
        gap: 2rem;
        flex-direction: column;
    }
    
    .cloud-logo-img {
        height: 26px;
        max-width: 80px;
    }
    
    .cloud-others-text {
        font-size: 0.9rem;
    }
}

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

    .hero-subtext {
        font-size: 1rem;
    }

    .service-card,
    .why-item {
        padding: 1.5rem;
    }
}