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

:root {
    --color-bg: #0a1628;
    --color-bg-light: #0f1f3d;
    --color-bg-card: #132244;
    --color-primary: #1a73e8;
    --color-primary-light: #4a9af5;
    --color-primary-dark: #1557b0;
    --color-accent: #00d4aa;
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-text-heading: #f1f5f9;
    --color-border: #1e3a5f;
    --color-surface: #162a4a;
    --color-white: #ffffff;
    --font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
    --max-width: 1200px;
    --header-height: 72px;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 48px rgba(0, 0, 0, 0.4);
    --transition: 0.3s ease;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-family);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-accent);
}

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

/* === Header === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(10, 22, 40, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: background var(--transition);
}

.header.scrolled {
    background: rgba(10, 22, 40, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-white);
    font-size: 1.25rem;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.logo:hover {
    color: var(--color-white);
}

.logo strong {
    font-weight: 700;
}

.logo-icon {
    color: var(--color-primary-light);
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition);
    position: relative;
}

.nav a:hover,
.nav a.active {
    color: var(--color-white);
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition);
}

/* === Hero === */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-light) 50%, var(--color-bg) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 800px 600px at 20% 50%, rgba(26, 115, 232, 0.08) 0%, transparent 70%),
        radial-gradient(ellipse 600px 400px at 80% 30%, rgba(0, 212, 170, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    max-width: 720px;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    color: var(--color-white);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.highlight {
    color: var(--color-primary-light);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 560px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 56px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-white);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(26, 115, 232, 0.4);
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-card);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary-light);
    border: 2px solid var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* === Sections === */
.section {
    padding: 100px 0;
}

.section-dark {
    background: var(--color-bg-light);
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-text-heading);
    text-align: center;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-bottom: 56px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* === Services === */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: all var(--transition);
    position: relative;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.service-card.featured {
    border-color: var(--color-primary);
    background: linear-gradient(180deg, rgba(26, 115, 232, 0.08) 0%, var(--color-bg-card) 100%);
}

.service-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-icon {
    color: var(--color-primary-light);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-text-heading);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 6px 0;
    color: var(--color-text);
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(30, 58, 95, 0.5);
}

.service-features li:last-child {
    border-bottom: none;
}

/* === Features (Miksi me) === */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature {
    text-align: center;
    padding: 24px;
}

.feature-icon {
    color: var(--color-primary-light);
    margin-bottom: 16px;
    display: flex;
    justify-content: center;
}

.feature h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text-heading);
    margin-bottom: 10px;
}

.feature p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* === Pricing === */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}

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

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-featured {
    border-color: var(--color-primary);
    background: linear-gradient(180deg, rgba(26, 115, 232, 0.1) 0%, var(--color-bg-card) 100%);
    transform: scale(1.04);
}

.pricing-featured:hover {
    transform: scale(1.04) translateY(-4px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 18px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text-heading);
    margin-bottom: 16px;
}

.price {
    margin-bottom: 28px;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-white);
    line-height: 1;
}

.price-period {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    font-weight: 400;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 28px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.95rem;
    color: var(--color-text);
    border-bottom: 1px solid rgba(30, 58, 95, 0.4);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

.pricing-note {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-top: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* === Contact === */
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: start;
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    color: var(--color-text);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    grid-column: 1 / -1;
    margin-top: 4px;
}

.form-status {
    grid-column: 1 / -1;
    font-size: 0.95rem;
    padding: 8px 0;
}

.form-status.success {
    color: var(--color-accent);
}

.form-status.error {
    color: #f87171;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

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

.contact-item svg {
    color: var(--color-primary-light);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-item strong {
    display: block;
    color: var(--color-text-heading);
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.contact-item p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* === Footer === */
.footer {
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding-top: 56px;
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 12px;
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.footer-links h4 {
    color: var(--color-text-heading);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    padding: 4px 0;
}

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

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding: 20px 0;
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    text-align: center;
}

/* === Konesali Page === */
.page-hero {
    padding: 140px 0 60px;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-light) 100%);
    text-align: center;
}

.page-hero h1 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.page-hero p {
    font-size: 1.15rem;
    color: var(--color-text-muted);
}

.specs-overview {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.spec-highlight {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px 20px;
}

.spec-highlight-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary-light);
    margin-bottom: 8px;
}

.spec-highlight-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.spec-section {
    max-width: 800px;
    margin: 0 auto;
}

.spec-section-header {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin-bottom: 32px;
}

.spec-section-icon {
    color: var(--color-primary-light);
    flex-shrink: 0;
}

.spec-section-header h2 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-text-heading);
    margin-bottom: 8px;
}

.spec-section-header p {
    color: var(--color-text-muted);
    font-size: 1rem;
}

.spec-table {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.spec-table table {
    width: 100%;
    border-collapse: collapse;
}

.spec-table tr {
    border-bottom: 1px solid var(--color-border);
}

.spec-table tr:last-child {
    border-bottom: none;
}

.spec-table td {
    padding: 16px 20px;
    font-size: 0.95rem;
    color: var(--color-text);
    vertical-align: top;
}

.spec-label {
    font-weight: 600;
    color: var(--color-text-heading);
    width: 200px;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .specs-overview {
        grid-template-columns: repeat(2, 1fr);
    }

    .spec-section-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .spec-label {
        width: auto;
        white-space: normal;
        display: block;
        padding-bottom: 4px;
    }

    .spec-table td {
        display: block;
        padding: 8px 16px;
    }

    .spec-table tr {
        padding: 8px 0;
    }

    .spec-table td:first-child {
        padding-bottom: 0;
    }
}

@media (max-width: 480px) {
    .specs-overview {
        grid-template-columns: 1fr 1fr;
    }
}

/* === Animations === */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* === Responsive === */
@media (max-width: 1024px) {
    .services-grid,
    .pricing-grid,
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-featured {
        transform: none;
    }

    .pricing-featured:hover {
        transform: translateY(-4px);
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-bg);
        flex-direction: column;
        padding: 24px;
        gap: 0;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow);
    }

    .nav.open {
        display: flex;
    }

    .nav a {
        padding: 14px 0;
        border-bottom: 1px solid var(--color-border);
        font-size: 1.05rem;
    }

    .nav a:last-child {
        border-bottom: none;
    }

    .nav a::after {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

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

    .nav-toggle.open span:nth-child(2) {
        opacity: 0;
    }

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

    .hero {
        padding: 120px 0 60px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.05rem;
    }

    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }

    .hero-stats {
        gap: 24px;
    }

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

    .section {
        padding: 64px 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-form {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat {
        flex-direction: row;
        gap: 12px;
        align-items: center;
    }
}