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

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

:root {
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-red: #FF0000;
    --color-grey: #666666;
    --color-light-grey: #F5F5F5;
    --font-primary: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* ===================================
   LOADING SCREEN
   =================================== */

.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-black);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
}

.loading-logo {
    font-size: 8rem;
    font-weight: 900;
    color: var(--color-white);
    letter-spacing: -4px;
    margin-bottom: 2rem;
    animation: fadeInScale 0.8s ease;
}

.loading-line {
    width: 100px;
    height: 2px;
    background: var(--color-red);
    margin: 0 auto;
    animation: expandLine 1s ease forwards;
}

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

@keyframes expandLine {
    0% { width: 0; }
    100% { width: 100px; }
}

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

.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
}

.main-nav.scrolled {
    background: var(--color-white);
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
    padding: 1.5rem 4rem;
}

.nav-logo {
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: -2px;
    color: var(--color-white);
    transition: var(--transition);
}

.main-nav.scrolled .nav-logo {
    color: var(--color-black);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 3rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-white);
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    position: relative;
}

.main-nav.scrolled .nav-links a {
    color: var(--color-black);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-red);
    transition: width 0.3s ease;
}

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

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

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition);
}

.main-nav.scrolled .nav-toggle span {
    background: var(--color-black);
}

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

.hero-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 85vh;
    position: relative;
}

.hero-image {
    background: var(--color-black);
    position: relative;
    overflow: hidden;
}

.hero-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,0,0,0.2) 0%, transparent 100%);
}

.vertical-text {
    position: absolute;
    right: 40px;
    top: 50%;
    transform: translateY(-50%) rotate(-90deg);
    transform-origin: center;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--color-white);
    opacity: 0.6;
    text-transform: uppercase;
}

.hero-content {
    padding: 8rem 6rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--color-white);
}

.hero-label {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-red);
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 2rem;
    color: var(--color-black);
}

.hero-description {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--color-grey);
    margin-bottom: 3rem;
    max-width: 500px;
}

.hero-cta {
    display: inline-block;
    background: var(--color-red);
    color: var(--color-white);
    padding: 1.2rem 3rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    align-self: flex-start;
    border: 2px solid var(--color-red);
}

.hero-cta:hover {
    background: transparent;
    color: var(--color-red);
}

.hero-stats {
    display: flex;
    gap: 4rem;
    margin-top: 4rem;
}

.stat-item {
    border-left: 2px solid var(--color-red);
    padding-left: 1.5rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-black);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-grey);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===================================
   SECTION STYLES
   =================================== */

section {
    padding: 8rem 4rem;
    position: relative;
}

.section-number {
    position: absolute;
    top: 4rem;
    left: 4rem;
    font-size: 8rem;
    font-weight: 900;
    color: var(--color-light-grey);
    line-height: 1;
    z-index: -1;
    pointer-events: none;
}

.section-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-red);
    margin-bottom: 1.5rem;
    text-align: center;
}

.section-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 3rem;
    max-width: 800px;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

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

.about-section {
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 6rem;
    position: relative;
    z-index: 10;
}

.large-text {
    font-size: 1.5rem;
    line-height: 1.6;
    color: var(--color-black);
    font-weight: 500;
    margin-bottom: 3rem;
}

.about-list {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.about-item {
    display: flex;
    gap: 2rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--color-light-grey);
}

.about-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.item-number {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-red);
    min-width: 60px;
}

.item-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-black);
}

.item-content p {
    color: var(--color-grey);
    line-height: 1.7;
}

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

.services-section {
    background: var(--color-light-grey);
}

.services-header {
    margin-bottom: 4rem;
    position: relative;
    z-index: 10;
    text-align: center;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 6rem;
    position: relative;
    z-index: 10;
}

.service-card {
    background: var(--color-white);
    padding: 3rem;
    transition: var(--transition);
    border: 1px solid transparent;
    position: relative;
}

.service-card:hover {
    border-color: var(--color-black);
    transform: translateY(-5px);
}

.service-card.featured {
    background: var(--color-black);
    color: var(--color-white);
}

.service-card.featured h3 {
    color: var(--color-white);
}

.service-card.featured p {
    color: rgba(255,255,255,0.8);
}

.service-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 2rem;
}

.service-icon svg {
    width: 100%;
    height: 100%;
    stroke: var(--color-black);
}

.service-card.featured .service-icon svg {
    stroke: var(--color-red);
}

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

.service-card p {
    color: var(--color-grey);
    line-height: 1.7;
    margin-bottom: 0.75rem;
}

.service-card strong {
    display: block;
    color: var(--color-black);
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
}

.service-card.featured strong {
    color: var(--color-white);
}

.service-note {
    font-size: 0.9rem;
    font-style: italic;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-light-grey);
}

.service-card.featured .service-note {
    border-top-color: rgba(255,255,255,0.2);
}

.service-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: var(--color-red);
    color: var(--color-white);
    padding: 0.5rem 1.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Comparison Block */
.comparison-block {
    display: grid;
    grid-template-columns: 1fr 2px 1fr;
    gap: 4rem;
    padding: 4rem;
    background: var(--color-white);
    position: relative;
    z-index: 10;
}

.comparison-divider {
    background: var(--color-light-grey);
}

.comparison-number {
    font-size: 5rem;
    font-weight: 900;
    color: var(--color-black);
    line-height: 1;
    margin-bottom: 1rem;
}

.comparison-number.red {
    color: var(--color-red);
}

.comparison-label {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-black);
}

.comparison-left p,
.comparison-right p {
    color: var(--color-grey);
    line-height: 1.7;
}

/* ===================================
   PROBLEMS SECTION
   =================================== */

.problems-section {
    background: var(--color-black);
    color: var(--color-white);
    padding: 8rem 4rem;
}

.problems-content {
    max-width: 1200px;
    margin: 0 auto;
}

.problems-title {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: -2px;
    margin-bottom: 4rem;
    color: var(--color-white);
}

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

.problem-item {
    padding: 2rem;
    border: 1px solid rgba(255,255,255,0.2);
    transition: var(--transition);
}

.problem-item:hover {
    border-color: var(--color-red);
    transform: translateY(-5px);
}

.problem-tag {
    display: inline-block;
    background: var(--color-red);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.problem-item p {
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.problem-item strong {
    color: var(--color-white);
    font-size: 1.1rem;
    display: block;
    margin-bottom: 0.5rem;
}

.problem-note {
    font-size: 0.9rem;
    line-height: 1.8;
    margin-top: 1rem;
    padding-left: 0.5rem;
    border-left: 2px solid var(--color-red);
}

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

.cta-section {
    padding: 8rem 4rem;
    background: var(--color-white);
}

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

.cta-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-red);
    margin-bottom: 1.5rem;
}

.cta-title {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: -2px;
    margin-bottom: 2rem;
}

.cta-text {
    font-size: 1.15rem;
    color: var(--color-grey);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.cta-info {
    font-size: 0.9rem;
    color: var(--color-grey);
}

/* ===================================
   STATISTICS SECTION
   =================================== */

.stats-section {
    padding: 8rem 4rem;
    background: var(--color-white);
}

.stats-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.stats-intro {
    font-size: 1.15rem;
    color: var(--color-grey);
    line-height: 1.7;
    max-width: 800px;
    margin: 2rem auto 4rem;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.stat-box {
    padding: 2.5rem;
    border: 2px solid var(--color-light-grey);
    transition: var(--transition);
    text-align: left;
}

.stat-box:hover {
    border-color: var(--color-red);
    transform: translateY(-5px);
}

.stat-big-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-red);
    letter-spacing: -2px;
    margin-bottom: 1rem;
    line-height: 1;
}

.stat-box h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.stat-box p {
    color: var(--color-grey);
    line-height: 1.6;
    font-size: 0.95rem;
}

.stats-cta {
    max-width: 800px;
    margin: 0 auto;
    padding: 2.5rem;
    background: var(--color-light-grey);
    text-align: center;
}

.stats-cta p {
    font-size: 1.15rem;
    color: var(--color-grey);
    line-height: 1.7;
    margin: 0;
}

.stats-cta strong {
    color: var(--color-black);
    font-weight: 700;
}

/* ===================================
   PRICING SECTION
   =================================== */

.pricing-section {
    padding: 8rem 4rem;
    background: var(--color-light-grey);
}

.pricing-header {
    max-width: 800px;
    margin: 0 auto 4rem;
    text-align: center;
}

.pricing-header .section-label,
.pricing-header .section-title {
    text-align: center;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto 3rem;
}

.pricing-card {
    background: var(--color-white);
    padding: 3rem 2rem;
    border: 1px solid transparent;
    transition: var(--transition);
    text-align: left;
}

.pricing-card:hover {
    border-color: var(--color-red);
    transform: translateY(-5px);
}

.pricing-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.pricing-card .price {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-red);
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.pricing-card p {
    color: var(--color-grey);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.pricing-card .price-details {
    font-size: 0.9rem;
    line-height: 1.8;
    margin-top: 1.5rem;
    padding-left: 0.5rem;
}

.pricing-card .price-highlight {
    font-size: 0.95rem;
    color: var(--color-black);
    font-weight: 600;
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--color-light-grey);
    border-left: 3px solid var(--color-red);
}

.pricing-note {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--color-white);
    border-left: 4px solid var(--color-red);
    text-align: center;
}

.pricing-note p {
    color: var(--color-grey);
    line-height: 1.6;
}

.pricing-note strong {
    color: var(--color-black);
}

/* ===================================
   FAQ SECTION
   =================================== */

.faq-section {
    padding: 8rem 4rem;
    background: var(--color-white);
}

.faq-header {
    max-width: 800px;
    margin: 0 auto 4rem;
    text-align: center;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-light-grey);
    margin-bottom: 1rem;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--color-red);
}

.faq-question h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.faq-icon {
    font-size: 2rem;
    font-weight: 300;
    color: var(--color-red);
    transition: var(--transition);
    flex-shrink: 0;
    margin-left: 1rem;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: 1.5rem;
}

.faq-answer p {
    color: var(--color-grey);
    line-height: 1.7;
    margin: 0;
}

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

.contact-section {
    background: var(--color-light-grey);
    text-align: center;
}

.contact-grid {
    max-width: 600px;
    position: relative;
    z-index: 10;
    margin: 0 auto;
}

.contact-info {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    justify-content: center;
}

.contact-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 100%;
    height: 100%;
    stroke: var(--color-red);
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-grey);
    margin-bottom: 0.3rem;
}

.contact-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-black);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: center;
}

.social-link {
    padding: 0.8rem 2rem;
    background: var(--color-black);
    color: var(--color-white);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    border: 2px solid var(--color-black);
}

.social-link:hover {
    background: transparent;
    color: var(--color-black);
}

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

.footer {
    background: var(--color-black);
    color: var(--color-white);
    padding: 4rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: -2px;
    margin-bottom: 1rem;
}

.footer-left p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
    margin-bottom: 1rem;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 0.85rem;
    transition: var(--transition);
}

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

.footer-copy {
    color: rgba(255,255,255,0.4);
    font-size: 0.8rem;
}

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

@media (max-width: 1200px) {
    .hero-title {
        font-size: 3rem;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .section-number {
        font-size: 6rem;
    }
}

@media (max-width: 968px) {
    .main-nav {
        padding: 1.5rem 2rem;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--color-black);
        flex-direction: column;
        padding: 6rem 2rem;
        transition: var(--transition);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        color: var(--color-white);
    }

    .nav-toggle {
        display: flex;
    }

    .hero-section {
        grid-template-columns: 1fr;
    }

    .hero-image {
        min-height: 50vh;
    }

    .hero-content {
        padding: 4rem 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        gap: 2rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

    .comparison-block {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .comparison-divider {
        height: 2px;
        width: 100%;
    }

    section {
        padding: 4rem 2rem;
    }

    .section-number {
        font-size: 4rem;
        top: 2rem;
        left: 2rem;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .loading-logo {
        font-size: 5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .problems-title {
        font-size: 2rem;
    }

    .cta-title {
        font-size: 2rem;
    }

    .comparison-number {
        font-size: 3rem;
    }

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

    .pricing-card .price {
        font-size: 2rem;
    }

    .faq-question h3 {
        font-size: 1rem;
    }

    .pricing-section,
    .faq-section,
    .stats-section {
        padding: 4rem 2rem;
    }

    .stat-big-number {
        font-size: 2.5rem;
    }

    .stat-box h3 {
        font-size: 1.1rem;
    }
}