/* Variables */
:root {
    --blue: #3B82F6;
    --blue-dark: #2563EB;
    --blue-light: #60A5FA;
    --amber: #F59E0B;
    --amber-light: #FBBF24;
    --stone-900: #1C1917;
    --stone-800: #292524;
    --stone-700: #44403C;
    --stone-600: #57534E;
    --stone-500: #78716C;
    --stone-400: #A8A29E;
    --stone-300: #D6D3D1;
    --stone-200: #E7E5E4;
    --stone-100: #F5F5F4;
    --stone-50: #FAFAF9;
    --white: #FFFFFF;
    --glow-blue: 0 0 40px rgba(59, 130, 246, 0.2);
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.07);
    --shadow-lg: 0 20px 50px rgba(0,0,0,0.1);
    --r-sm: 12px;
    --r-md: 18px;
    --r-lg: 26px;
    --r-full: 100px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Lexend', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--stone-600);
    background: var(--white);
}

/* Top Nav */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--stone-200);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-mark {
    font-size: 26px;
    font-weight: 800;
    text-decoration: none;
    color: var(--stone-900);
}

.logo-mark span {
    color: var(--blue);
}

.nav-menu {
    display: flex;
    gap: 42px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--stone-500);
    font-weight: 600;
    font-size: 15px;
    transition: color 0.2s;
}

.nav-menu a:hover {
    color: var(--blue);
}

.nav-cta {
    background: var(--blue);
    color: var(--white);
    padding: 12px 28px;
    border-radius: var(--r-sm);
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    transition: all 0.2s;
}

.nav-cta:hover {
    background: var(--blue-dark);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

/* Hero Banner */
.hero-banner {
    padding: 160px 30px 115px;
    background: linear-gradient(150deg, var(--stone-50) 0%, var(--white) 45%, #EFF6FF 100%);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 70px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    background: var(--white);
    border: 1px solid var(--stone-200);
    padding: 11px 24px;
    border-radius: var(--r-full);
    font-size: 14px;
    font-weight: 700;
    color: var(--stone-700);
    margin-bottom: 28px;
}

.hero-text h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.08;
    color: var(--stone-900);
    margin-bottom: 22px;
}

.hero-text > p {
    font-size: 18px;
    color: var(--stone-500);
    margin-bottom: 36px;
    max-width: 520px;
}

.hero-cta {
    display: flex;
    gap: 18px;
}

.cta-primary {
    display: inline-block;
    background: var(--blue);
    color: var(--white);
    padding: 17px 38px;
    border-radius: var(--r-sm);
    text-decoration: none;
    font-weight: 700;
    transition: all 0.25s;
}

.cta-primary:hover {
    background: var(--blue-dark);
    transform: translateY(-2px);
    box-shadow: var(--glow-blue);
}

.cta-secondary {
    display: inline-block;
    background: transparent;
    color: var(--stone-900);
    padding: 17px 38px;
    border-radius: var(--r-sm);
    text-decoration: none;
    font-weight: 700;
    border: 2px solid var(--stone-200);
    transition: all 0.2s;
}

.cta-secondary:hover {
    border-color: var(--stone-900);
}

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

.hg-box {
    background: var(--white);
    padding: 34px;
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-md);
    font-size: 40px;
    text-align: center;
    transition: transform 0.3s;
}

.hg-box:hover {
    transform: translateY(-6px);
}

.hg-box span {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: var(--stone-900);
    margin-top: 14px;
}

.hg-1 { transform: translateY(16px); }
.hg-2 { transform: translateY(-12px); }
.hg-3 { transform: translateY(22px); }
.hg-4 { transform: translateY(-6px); }

/* Section Header */
.sec-header {
    text-align: center;
    margin-bottom: 58px;
}

.sec-label {
    display: inline-block;
    background: var(--blue);
    color: var(--white);
    padding: 8px 22px;
    border-radius: var(--r-full);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
}

.sec-label.light {
    background: rgba(255,255,255,0.2);
}

.sec-header h2 {
    font-size: 44px;
    font-weight: 800;
    color: var(--stone-900);
    margin-bottom: 14px;
}

.sec-header p {
    font-size: 18px;
    color: var(--stone-500);
}

/* Products Section */
.products-section {
    padding: 105px 0;
    background: var(--stone-50);
}

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

.product-card {
    background: var(--white);
    border-radius: var(--r-lg);
    padding: 36px;
    border: 2px solid transparent;
    position: relative;
    transition: all 0.25s;
}

.product-card:hover {
    border-color: var(--stone-200);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.product-card.highlight {
    border-color: var(--blue);
    background: linear-gradient(150deg, #EFF6FF 0%, var(--white) 100%);
    grid-row: span 2;
}

.highlight-badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: var(--amber);
    color: var(--white);
    padding: 6px 18px;
    border-radius: var(--r-full);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.pc-emoji {
    font-size: 50px;
    margin-bottom: 24px;
}

.product-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--stone-900);
    margin-bottom: 12px;
}

.product-card p {
    font-size: 14px;
    color: var(--stone-500);
    margin-bottom: 24px;
}

.pc-specs {
    display: flex;
    gap: 18px;
    margin-bottom: 28px;
}

.pc-specs span {
    font-size: 13px;
    color: var(--stone-400);
}

.pc-price {
    padding-top: 24px;
    border-top: 1px solid var(--stone-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pc-price strong {
    font-size: 34px;
    font-weight: 800;
    color: var(--blue);
}

.pc-price small {
    font-size: 13px;
    color: var(--stone-400);
}

/* Features Section */
.features-section {
    padding: 105px 0;
    background: var(--stone-900);
}

.features-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 65px;
    align-items: start;
}

.features-intro h2 {
    font-size: 40px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 18px;
}

.features-intro > p {
    color: var(--stone-400);
    font-size: 17px;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.fg-card {
    background: var(--stone-800);
    padding: 32px;
    border-radius: var(--r-md);
}

.fg-icon {
    font-size: 32px;
    display: block;
    margin-bottom: 20px;
}

.fg-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

.fg-card p {
    font-size: 14px;
    color: var(--stone-400);
}

/* Process Section */
.process-section {
    padding: 105px 0;
    background: var(--white);
}

.process-row {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 26px;
}

.pr-step {
    text-align: center;
    flex: 1;
    max-width: 190px;
}

.pr-num {
    font-size: 54px;
    font-weight: 800;
    color: var(--blue-light);
    opacity: 0.35;
    margin-bottom: 14px;
}

.pr-step h4 {
    font-size: 19px;
    font-weight: 700;
    color: var(--stone-900);
    margin-bottom: 8px;
}

.pr-step p {
    font-size: 14px;
    color: var(--stone-500);
}

.pr-line {
    width: 60px;
    height: 3px;
    background: var(--stone-200);
    margin-top: 34px;
    border-radius: 2px;
}

/* Contact Section */
.contact-section {
    padding: 105px 0;
    background: linear-gradient(150deg, var(--stone-50) 0%, #EFF6FF 100%);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 65px;
    align-items: start;
}

.contact-info h2 {
    font-size: 40px;
    font-weight: 800;
    color: var(--stone-900);
    margin-bottom: 18px;
}

.contact-info > p {
    color: var(--stone-500);
    font-size: 17px;
    margin-bottom: 42px;
}

.info-blocks {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ib-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--white);
    padding: 24px;
    border-radius: var(--r-sm);
    box-shadow: var(--shadow-xs);
}

.ib-item > span {
    font-size: 28px;
}

.ib-item strong {
    display: block;
    font-size: 13px;
    color: var(--stone-900);
    margin-bottom: 4px;
}

.ib-item p {
    font-size: 15px;
    color: var(--stone-500);
    margin: 0;
}

.contact-form {
    background: var(--white);
    padding: 44px;
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-md);
}

.cf-field {
    margin-bottom: 24px;
}

.cf-field label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--stone-900);
    margin-bottom: 10px;
}

.cf-field input,
.cf-field select {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--stone-200);
    border-radius: var(--r-sm);
    font-size: 15px;
    font-family: inherit;
    background: var(--white);
    transition: border-color 0.2s;
}

.cf-field input:focus,
.cf-field select:focus {
    outline: none;
    border-color: var(--blue);
}

.cf-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.cf-btn {
    width: 100%;
    background: var(--blue);
    color: var(--white);
    border: none;
    padding: 18px;
    border-radius: var(--r-sm);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s;
}

.cf-btn:hover {
    background: var(--blue-dark);
    box-shadow: var(--glow-blue);
}

.cf-terms {
    margin-top: 20px;
    font-size: 13px;
    color: var(--stone-400);
    text-align: center;
}

.cf-terms a {
    color: var(--blue);
}

/* FAQ Section */
.faq-section {
    padding: 105px 0;
    background: var(--white);
}

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

.faq-item {
    background: var(--stone-50);
    padding: 32px;
    border-radius: var(--r-md);
}

.faq-item h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--stone-900);
    margin-bottom: 12px;
}

.faq-item p {
    font-size: 14px;
    color: var(--stone-500);
}

/* Notice Section */
.notice-section {
    padding: 65px 0;
    background: var(--stone-50);
}

.notice-block {
    background: var(--white);
    border-left: 4px solid var(--amber);
    padding: 32px 36px;
    border-radius: 0 var(--r-sm) var(--r-sm) 0;
    max-width: 920px;
    margin: 0 auto;
}

.notice-block h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--stone-900);
    margin-bottom: 12px;
}

.notice-block p {
    font-size: 14px;
    color: var(--stone-500);
    line-height: 1.85;
}

/* Footer */
.site-footer {
    background: var(--stone-900);
    color: var(--white);
    padding: 85px 0 36px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

.footer-cols {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 52px;
    margin-bottom: 65px;
}

.fc .logo-mark {
    color: var(--white);
    display: inline-block;
    margin-bottom: 16px;
}

.fc > p {
    color: var(--stone-500);
    font-size: 14px;
}

.fc h5 {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 24px;
}

.fc a {
    display: block;
    color: var(--stone-500);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 14px;
    transition: color 0.2s;
}

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

.fc p {
    color: var(--stone-500);
    font-size: 14px;
    line-height: 1.75;
}

.footer-bottom {
    border-top: 1px solid var(--stone-800);
    padding-top: 36px;
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: var(--stone-500);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text > p {
        margin: 0 auto 36px;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-graphics {
        display: none;
    }
    
    .products-list {
        grid-template-columns: 1fr 1fr;
    }
    
    .product-card.highlight {
        grid-row: auto;
    }
    
    .features-layout,
    .contact-layout {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-cols {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu, .nav-cta {
        display: none;
    }
    
    .hero-text h1 {
        font-size: 36px;
    }
    
    .products-list,
    .features-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .process-row {
        flex-direction: column;
        align-items: center;
    }
    
    .pr-line {
        width: 3px;
        height: 34px;
        margin: 0;
    }
    
    .cf-row {
        grid-template-columns: 1fr;
    }
    
    .footer-cols {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .products-section,
    .features-section,
    .process-section,
    .contact-section,
    .faq-section {
        padding: 65px 0;
    }
}

/* Thank You Page */
.ty-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.ty-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 150px 30px 85px;
    background: var(--stone-50);
}

.ty-card {
    background: var(--white);
    padding: 60px;
    border-radius: var(--r-lg);
    text-align: center;
    max-width: 530px;
    box-shadow: var(--shadow-md);
}

.ty-icon {
    font-size: 78px;
    margin-bottom: 28px;
}

.ty-card h1 {
    font-size: 40px;
    font-weight: 800;
    color: var(--stone-900);
    margin-bottom: 14px;
}

.ty-card > p {
    color: var(--stone-500);
    font-size: 17px;
}

.ty-box {
    background: var(--stone-50);
    padding: 28px;
    border-radius: var(--r-sm);
    margin: 36px 0;
    text-align: left;
}

.ty-box h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--stone-900);
    margin-bottom: 10px;
}

.ty-box p {
    color: var(--stone-500);
    font-size: 15px;
}

.ty-contact {
    margin-top: 28px;
    color: var(--stone-500);
    font-size: 15px;
}

/* Legal Pages */
.legal-top {
    background: var(--stone-900);
    padding: 140px 30px 70px;
    text-align: center;
}

.legal-top h1 {
    font-size: 46px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
}

.legal-top p {
    color: var(--stone-500);
}

.legal-content {
    padding: 70px 30px;
    max-width: 820px;
    margin: 0 auto;
}

.legal-content h2 {
    font-size: 23px;
    font-weight: 700;
    color: var(--stone-900);
    margin: 45px 0 20px;
    padding-top: 28px;
    border-top: 1px solid var(--stone-200);
}

.legal-content h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.legal-content p {
    color: var(--stone-500);
    margin-bottom: 18px;
}

.legal-content ul {
    color: var(--stone-500);
    margin: 18px 0 18px 28px;
}

.legal-content li {
    margin-bottom: 10px;
}

.legal-cta {
    background: var(--stone-50);
    padding: 32px;
    border-radius: var(--r-sm);
    margin-top: 45px;
}

.legal-cta h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--stone-900);
    margin-bottom: 16px;
}