:root {
    --orange: #FF9900;
    --orange-hover: #e68a00;
    --slate-dark: #0A2540;
    --slate-text: #425466;
    --bg-light: #F6F9FC;
    --bg-main: #ffffff;
    --nav-height: 72px;
    font-size: 15px;
    --shadow-sm: 0 2px 5px -1px rgba(50, 50, 93, 0.16), 0 1px 3px -1px rgba(0, 0, 0, 0.16);
    --shadow-md: 0 13px 27px -5px rgba(50, 50, 93, 0.16), 0 8px 16px -8px rgba(0, 0, 0, 0.16);
    --shadow-lg: 0 30px 60px -12px rgba(50, 50, 93, 0.2), 0 18px 36px -18px rgba(0, 0, 0, 0.18);
    --shadow-hover: 0 42px 70px -18px rgba(50, 50, 93, 0.2), 0 28px 40px -28px rgba(0, 0, 0, 0.2);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --container: 1140px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Raleway', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--slate-text);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
}

h1,
h2,
h3,
h4 {
    color: var(--slate-dark);
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1 { font-size: 2.8rem; line-height: 1.1; }
h2 { font-size: 1.8rem; }
p { font-size: 0.95rem; color: var(--slate-text); }

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: min(90%, var(--container));
    margin: 0 auto;
}

.header {
    position: fixed;
     padding: 12px 0;
    inset: 0 0 auto 0;
    z-index: 1000;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    color: var(--slate-dark);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.06);
    height: 64px;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    max-width: 1200px;
    padding: 0 20px; 
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--slate-dark);
    font-size: 1.25rem;
    font-weight: 800;
    flex-shrink: 0;
}

.logo svg {
    transition: transform 0.3s ease;
}

.logo:hover svg {
    transform: rotate(-10deg);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-sub {
    font-weight: 600;
    color: var(--orange);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--slate-dark);
}

.nav-cta {
    background: var(--orange);
    color: #fff !important;
    padding: 10px 18px;
    border-radius: 999px;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-cta:hover {
    background: var(--orange-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    padding: 8px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--slate-dark);
    transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn-primary {
    background: var(--orange);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--orange-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--slate-dark);
    border: 1px solid rgba(10, 37, 64, 0.2);
}

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

.hero {
    position: relative;
    padding: 160px 0 100px;
    z-index: 1;
}

.hero-bg-slant {
    position: absolute;
    inset: 0;
    background-color: var(--bg-light);
    transform: skewY(-6deg);
    transform-origin: top left;
    z-index: -1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(2.4rem, 4vw, 4.4rem);
    margin-bottom: 24px;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 32px;
    max-width: 480px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.hero-visual {
    position: relative;
    perspective: 1000px;
    padding-right: 28px;
}

.mockup-pc {
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transform: rotateY(-5deg) rotateX(2deg);
    transition: var(--transition);
}

.mockup-pc:hover {
    transform: rotateY(0deg) rotateX(0deg) scale(1.02);
    box-shadow: var(--shadow-hover);
}

.mockup-header {
    background: #E3E8EE;
    padding: 10px 16px;
    display: flex;
    gap: 8px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red { background: #FF5F56; }
.dot.yellow { background: #FFBD2E; }
.dot.green { background: #27C93F; }

.mockup-pc img,
.mockup-mobile img {
    width: 100%;
    display: block;
}

.mockup-mobile {
    position: absolute;
    bottom: -40px;
    right: -20px;
    width: min(35%, 190px);
    background: #000;
    border-radius: 20px;
    padding: 8px;
    box-shadow: var(--shadow-lg);
    transform: rotateY(-10deg) translateY(10px);
    z-index: 2;
}

.notch {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 15px;
    background: #000;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
}

.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
}

.bg-light { background-color: var(--bg-light); }
.section-dark { background-color: var(--slate-dark); color: #fff; }
.text-white { color: #fff; }
.text-light { color: #ADBDCC; }
.badge-neutral { background: #E3E8EE; color: var(--slate-dark); }
.text-large {
    font-size: 1.25rem;
    color: var(--slate-dark);
    font-weight: 500;
    margin-bottom: 20px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.stripe-card,
.equipment-card,
.value-card {
    background: #fff;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.stripe-card {
    padding: 40px 30px;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.stripe-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.icon-transit { background: #E3E2FF; color: var(--orange); }
.icon-tech { background: #E0F2FE; color: #0284C7; }
.icon-trade { background: #DCFCE7; color: #16A34A; }

.stripe-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.portfolio-split,
.about-container,
.contact-container {
    display: grid;
    align-items: center;
}

.portfolio-split {
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(99, 91, 255, 0.2);
    color: #8C85FF;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    margin-top: 24px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-weight: 500;
}

.feature-list svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.glass-mockup {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 16px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.glass-mockup img {
    width: 100%;
    border-radius: 8px;
}

.about-container {
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.about-text p {
    margin-bottom: 16px;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.value-card {
    display: flex;
    gap: 20px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid #E3E8EE;
}

.value-card:hover {
    transform: translateX(5px);
    border-color: var(--orange);
    box-shadow: var(--shadow-md);
}

.value-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--bg-light);
    color: var(--orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.value-icon svg {
    width: 20px;
    height: 20px;
}

.value-card h3 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.value-card p {
    font-size: 0.95rem;
    margin: 0;
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.equipment-card {
    border: 1px solid #E3E8EE;
    padding: 32px;
}

.equipment-card:hover {
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.equip-header {
    margin-bottom: 24px;
}

.equip-header h3 {
    font-size: 1.2rem;
}

.equip-list {
    list-style: none;
}

.equip-list li {
    padding: 10px 0 10px 18px;
    border-bottom: 1px solid #F6F9FC;
    font-size: 0.95rem;
    position: relative;
}

.equip-list li:last-child {
    border-bottom: none;
}

.equip-list li::before {
    content: "•";
    color: var(--orange);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.equip-card-special {
    background: var(--bg-light);
    border: 1px dashed #cbd5e0;
}

.equip-card-special .equip-desc {
    font-size: 0.9rem;
    margin-bottom: 16px;
    font-weight: 500;
}

.list-check li::before {
    content: "✓";
    color: #16A34A;
}

.contact-container {
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 60px;
    margin-top: -40px;
}

.contact-details p + p {
    margin-top: 8px;
}

.stripe-form .form-group {
    margin-bottom: 20px;
}

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

.stripe-form label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--slate-dark);
    margin-bottom: 8px;
}

.stripe-form input,
.stripe-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #E3E8EE;
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.stripe-form input:focus,
.stripe-form textarea:focus {
    outline: none;
    border-color: var(--orange);
    box-shadow: 0 0 0 3px rgba(255, 153, 0, 0.16);
}

.btn-block {
    width: 100%;
    padding: 14px;
}

.form-message {
    min-height: 24px;
    margin-top: 12px;
    font-size: 0.9rem;
}

.footer {
    background: #fff;
    border-top: 1px solid #E3E8EE;
    padding: 40px 0;
}

.footer-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.footer-brand {
    font-weight: 700;
    color: var(--slate-dark);
}

.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }

@media (max-width: 991px) {
    .hero-grid,
    .about-container,
    .portfolio-split,
    .contact-container {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 130px;
    }

    .hero-text,
    .section-header,
    .portfolio-text,
    .contact-info {
        text-align: center;
    }

    .hero-description {
        max-width: 100%;
    }

    .hero-actions {
        justify-content: center;
    }

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

    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: stretch;
        padding: 28px 24px 32px;
        gap: 16px;
        transform: translateY(-140%);
        transition: transform 0.35s ease;
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
        z-index: 999;
    }

    .nav-links a {
        padding: 10px 0;
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .nav-cta {
        text-align: center;
    }

    .mockup-mobile {
        display: none;
    }

    .contact-container {
        padding: 36px 28px;
        gap: 36px;
    }
}

@media (min-width: 768px) and (max-width: 991px) {
    .grid-3,
    .equipment-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 767px) {
    :root {
        font-size: 14px;
    }

    .section {
        padding: 72px 0;
    }

    .container {
        width: min(92%, var(--container));
    }

    .header,
    .header.scrolled {
        height: 64px;
    }

    .hero {
        padding: 112px 0 70px;
    }

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

    .section-title {
        font-size: 1.8rem;
    }

    .hero-visual {
        padding-right: 0;
    }

    .grid-3,
    .equipment-grid,
    .form-row {
        grid-template-columns: 1fr;
    }

    .value-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .feature-list li {
        align-items: flex-start;
    }

    .stripe-card,
    .equipment-card,
    .contact-container {
        padding-left: 22px;
        padding-right: 22px;
    }

    .footer-flex {
        flex-direction: column;
        text-align: center;
    }
}
