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

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #f9fafb;
    background-color: #0a0e1a;
    font-size: 16px;
    overflow-x: hidden;
}

/* =============================================
   CSS VARIABLES - LIGHT & DARK MODE
   ============================================= */

:root {
    /* Colors */
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-primary-light: #60a5fa;
    --color-secondary: #8b5cf6;
    --color-accent: #06b6d4;
    --color-success: #10b981;
    --color-danger: #ef4444;
    
    /* Backgrounds - DARK THEME (forced) */
    --bg-primary: #0a0e1a !important;
    --bg-secondary: #111827 !important;
    --bg-tertiary: #1f2937 !important;
    --bg-card: #151b2b !important;
    
    /* Text - Light on Dark */
    --text-primary: #f9fafb !important;
    --text-secondary: #d1d5db !important;
    --text-tertiary: #6b7280 !important;
    
    /* Borders */
    --border-color: #1f2937 !important;
    --border-light: #111827 !important;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -2px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.7), 0 10px 10px -5px rgba(0, 0, 0, 0.6);
    
    /* Spacing */
    --container-max: 1200px;
    --section-padding: 5rem 0;
    --card-radius: 12px;
    --btn-radius: 8px;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 400ms ease-in-out;
}

/* =============================================
   UTILITY CLASSES
   ============================================= */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--btn-radius);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #ffffff;
    box-shadow: var(--shadow-md), 0 0 20px rgba(59, 130, 246, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(59, 130, 246, 0.5);
}

.btn--primary:active {
    transform: translateY(0);
}

.btn--secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn--secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn--large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn--full {
    width: 100%;
}

.btn__icon {
    transition: transform var(--transition-base);
}

.btn:hover .btn__icon {
    transform: translateX(3px);
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: var(--card-radius);
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg), 0 0 30px rgba(59, 130, 246, 0.1);
    transform: translateY(-4px);
    border-color: rgba(59, 130, 246, 0.3);
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.badge:hover {
    background: var(--color-primary);
    color: #ffffff;
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

.badge__icon {
    color: var(--color-primary);
    transition: color var(--transition-base);
}

.badge:hover .badge__icon {
    color: #ffffff;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

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

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

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

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10, 14, 26, 0.85);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.navbar__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
}

.navbar__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 700;
    transition: color var(--transition-base);
}

.navbar__logo:hover {
    color: var(--color-primary);
}

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

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

.navbar__toggle-line {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

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

.navbar__link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-base);
    position: relative;
}

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

.navbar__link:hover {
    color: var(--color-primary);
}

.navbar__link:hover::after {
    width: 100%;
}

.navbar__link--cta {
    color: var(--color-primary);
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--btn-radius);
}

.navbar__link--cta::after {
    display: none;
}

.navbar__link--cta:hover {
    background: var(--color-primary);
    color: #ffffff;
}

#langToggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 52px;
    padding: 0.45rem 0.85rem;
    border: 1px solid rgba(96, 165, 250, 0.45);
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.2));
    color: var(--color-primary-light);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-base);
}

#langToggle::after {
    display: none;
}

#langToggle:hover {
    color: #ffffff;
    border-color: rgba(96, 165, 250, 0.8);
    box-shadow: 0 6px 18px rgba(59, 130, 246, 0.25);
    transform: translateY(-1px);
}

#langToggle:active {
    transform: translateY(0);
}

/* Mobile Menu */
@media (max-width: 768px) {
    .navbar__toggle {
        display: flex;
    }
    
    .navbar__menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-card);
        border-bottom: 1px solid var(--border-color);
        padding: 1rem;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base);
    }
    
    .navbar__menu.is-open {
        max-height: 400px;
    }
    
    .navbar__menu li {
        width: 100%;
    }
    
    .navbar__link {
        display: block;
        padding: 1rem;
        width: 100%;
    }

    #langToggle {
        width: 100%;
        min-width: 0;
        margin-top: 0.5rem;
        padding: 0.75rem 1rem;
        border-radius: var(--btn-radius);
        letter-spacing: 0.06em;
    }
}

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

.hero {
    padding: 6rem 0 8rem;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0a0e1a 100%);
    position: relative;
    overflow: hidden;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero__content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.hero__title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
}

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.hero__cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero__visual {
    position: relative;
    height: 400px;
}

.hero__card {
    position: absolute;
    background: var(--bg-card);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: transform var(--transition-slow);
}

.hero__card--1 {
    top: 0;
    left: 0;
    width: 280px;
    height: 200px;
    animation: float 6s ease-in-out infinite;
}

.hero__card--2 {
    bottom: 40px;
    right: 0;
    width: 240px;
    height: 160px;
    animation: float 6s ease-in-out infinite 3s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.hero__card-header {
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.hero__card-dots {
    display: flex;
    gap: 6px;
}

.hero__card-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-color);
}

.hero__card-dots span:nth-child(1) {
    background: #ef4444;
}

.hero__card-dots span:nth-child(2) {
    background: #f59e0b;
}

.hero__card-dots span:nth-child(3) {
    background: #10b981;
}

.hero__card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.hero__code-line {
    height: 8px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 4px;
    opacity: 0.6;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

@media (max-width: 768px) {
    .hero {
        padding: 4rem 0 6rem;
    }
    
    .hero__container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero__title {
        font-size: 2.5rem;
    }
    
    .hero__subtitle {
        font-size: 1.125rem;
    }
    
    .hero__visual {
        height: 300px;
    }
    
    .hero__card--1 {
        width: 220px;
        height: 160px;
    }
    
    .hero__card--2 {
        width: 200px;
        height: 140px;
    }
}

/* =============================================
   TRUST BAR
   ============================================= */

.trust-bar {
    padding: 3rem 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.trust-bar__label {
    text-align: center;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    margin-bottom: 2rem;
    font-weight: 600;
}

.trust-bar__badges {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

@media (max-width: 768px) {
    .trust-bar__badges {
        gap: 0.75rem;
    }
    
    .badge {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }
    
    .badge__icon {
        width: 16px;
        height: 16px;
    }
}

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

.about {
    padding: var(--section-padding);
    background: var(--bg-primary);
}

.about__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about__content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.about__text {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.about__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-card {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--card-radius);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.stat-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

.stat-card__number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-card__label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

.about__features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: start;
}

.feature-item__icon {
    flex-shrink: 0;
    color: var(--color-primary);
    margin-top: 0.25rem;
}

.feature-item__content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.feature-item__title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.feature-item__description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .about__wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about__stats {
        grid-template-columns: 1fr;
    }
    
    .stat-card__number {
        font-size: 2rem;
    }
}

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

.services {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.service-card__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
    transition: all var(--transition-base);
}

.service-card:hover .service-card__icon {
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.5);
    transform: scale(1.05);
}

.service-card__title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.service-card__description {
    color: var(--text-secondary);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .services__grid {
        grid-template-columns: 1fr;
    }
}

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

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

.contact__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact__title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.contact__description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact__info-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.contact__info-item svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact__info-item a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.contact__info-item a:hover {
    text-decoration: underline;
}

.contact__info-item--multiline {
    align-items: flex-start;
}

.contact__info-item--multiline > svg {
    margin-top: 0.125rem;
}

.contact__info-detail {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.contact__messengers {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.contact__messengers a {
    color: var(--color-primary);
    font-weight: 500;
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Honeypot field - hidden from users but visible to bots */
.honeypot {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-input {
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: var(--btn-radius);
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    transition: all var(--transition-base);
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2), 0 0 20px rgba(59, 130, 246, 0.1);
    background: var(--bg-card);
}

.form-input.has-error {
    border-color: var(--color-danger);
}

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

.form-error {
    font-size: 0.875rem;
    color: var(--color-danger);
    display: none;
}

.form-error.is-visible {
    display: block;
}

.form-success {
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--color-success);
    border-radius: var(--btn-radius);
    color: var(--color-success);
    font-weight: 500;
}

.form-success.is-visible {
    display: flex;
}

@media (max-width: 768px) {
    .contact__wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact__title {
        font-size: 2rem;
    }
}

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

.footer {
    padding: 4rem 0 2rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.footer__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer__logo svg {
    color: var(--color-primary);
}

.footer__tagline {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.footer__links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.footer__links-title {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer__links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer__links-list a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-base);
}

.footer__links-list a:hover {
    color: var(--color-primary);
}

.footer__bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer__copyright {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .footer__content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer__links {
        grid-template-columns: 1fr;
    }
}

/* =============================================
   FOCUS STATES & ACCESSIBILITY
   ============================================= */

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}