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

:root {
    --red: #83151D;
    --red-light: #83151D;
    --red-glow: rgba(131, 21, 81, 0.18);
    --dark: #0A0A0A;
    --mid: #111111;
    --card: #181818;
    --border: #272727;
    --text: #E8E8E8;
    --muted: #888;
    --gold: #C9A84C;
    --silver: #B0B7C3;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--dark);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-weight: 300;
    line-height: 1.6;
    overflow-x: hidden;
}

/* NAV */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 3rem;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    gap: 2rem;
    flex-wrap: wrap;
}

.nav-logo {
    flex-shrink: 0;
}
.nav-logo img {
    height: 40px;
    width: auto;
    display: block;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 2rem;
    margin: 0;
    padding: 0;
    flex: 1;
    justify-content: center;
}

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: color 0.2s;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    flex-shrink: 0;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    transition: all 0.3s;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-cta {
    background: var(--red);
    color: #fff;
    border: none;
    padding: 0.55rem 1.4rem;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    cursor: pointer;
    text-transform: uppercase;
    transition: opacity 0.2s;
    text-decoration: none;
    flex-shrink: 0;
}

.nav-cta:hover {
    opacity: 0.85;
}

@media (max-width: 768px) {
    nav { padding: 1rem 1.5rem; }
    .nav-toggle { display: flex; order: 2; }
    .nav-cta { order: 3; }
    .nav-links { order: 4; width: 100%; flex-direction: column; align-items: flex-start; gap: 0; max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
    .nav-links.open { max-height: 400px; }
    .nav-links li { width: 100%; border-top: 1px solid var(--border); }
    .nav-links a { display: block; padding: 0.85rem 0; }
}

/* HERO */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 3rem 5rem;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 50% at 80% 50%, var(--red-glow) 0%, transparent 70%), radial-gradient(ellipse 40% 60% at 10% 80%, rgba(131, 21, 81, 0.07) 0%, transparent 60%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 680px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(131, 21, 81, 0.12);
    border: 1px solid rgba(131, 21, 81, 0.35);
    color: var(--red-light);
    padding: 0.35rem 0.9rem;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 1.8rem;
    animation: fadeUp 0.8s ease both;
}

.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--red);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1)
    }

    50% {
        opacity: 0.4;
        transform: scale(0.7)
    }
}

.hero h1 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(3.5rem, 8vw, 7rem);
    line-height: 0.92;
    letter-spacing: 0.02em;
    margin-bottom: 1.8rem;
    animation: fadeUp 0.8s ease 0.15s both;
}

.hero h1 span {
    color: var(--red-light);
}

.hero p {
    font-size: 1.1rem;
    color: var(--muted);
    max-width: 520px;
    line-height: 1.75;
    margin-bottom: 2.5rem;
    animation: fadeUp 0.8s ease 0.3s both;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeUp 0.8s ease 0.45s both;
}

.hero-visual {
    position: relative;
    display: none;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 2rem;
    width: 100%;
    animation: fadeUp 1s ease 0.5s both;
}

@media (min-width: 900px) {
    .hero-visual {
        position: absolute;
        right: 4%;
        top: 50%;
        transform: translateY(-50%);
        display: block;
        margin-top: 0;
        width: auto;
        animation: fadeUp 1s ease 0.5s both, float 4s ease-in-out 1.5s infinite;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(-50%)
    }

    50% {
        transform: translateY(calc(-50% - 16px))
    }
}

.hero-card-img {
    width: 28vw;
    max-width: 110px;
    filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.7)) drop-shadow(0 0 40px rgba(131, 21, 81, 0.3));
    border-radius: 10px;
}

@media (min-width: 900px) {
    .hero-card-img {
        width: 280px;
        max-width: none;
    }
}

.hero-card-sm {
    width: 10vw;
    max-width: 60px;
}

@media (min-width: 900px) {
    .hero-card-sm {
        width: 200px;
        max-width: none;
    }
}

/* BUTTONS */
.btn-primary {
    background: var(--red);
    color: #fff;
    padding: 0.9rem 2rem;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.25s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

.btn-primary:hover {
    background: var(--red-light);
    transform: translateY(-1px);
}

.btn-ghost {
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.9rem 2rem;
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    background: transparent;
    transition: all 0.25s;
}

.btn-ghost:hover {
    border-color: var(--red);
    color: var(--red-light);
}

.btn-demo {
    background: transparent;
    border: 2px solid var(--red);
    color: var(--red-light);
    padding: 0.9rem 2rem;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.25s;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
}

.btn-demo:hover {
    background: var(--red);
    color: #fff;
    transform: translateY(-1px);
}

.btn-demo svg {
    width: 16px;
    height: 16px;
}

/* SECTIONS */
section {
    padding: 6rem 3rem;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
}

.section-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--red-light);
    margin-bottom: 1rem;
}

.section-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1;
    letter-spacing: 0.02em;
    margin-bottom: 1rem;
}

.section-sub {
    color: var(--muted);
    font-size: 1rem;
    max-width: none;
    line-height: 1.75;
    margin-bottom: 3.5rem;
}

.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    margin: 0 3rem;
}

/* DEMO */
.demo-section {
    background: var(--mid);
}

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

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

/* BROWSER MOCKUP */
.browser-mockup {
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 30px 60px rgba(0,0,0,0.6), 0 0 40px rgba(131,21,81,0.2);
}
.browser-bar {
    background: #1e1e1e;
    padding: 0.6rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border);
}
.browser-dots {
    display: flex;
    gap: 0.4rem;
    flex-shrink: 0;
}
.browser-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
}
.browser-dots span:nth-child(1) { background: #ff5f57; }
.browser-dots span:nth-child(2) { background: #febc2e; }
.browser-dots span:nth-child(3) { background: #28c840; }
.browser-url {
    flex: 1;
    background: #111;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.25rem 0.75rem;
    font-size: 0.72rem;
    color: var(--muted);
    font-family: monospace;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.browser-body {
    overflow: hidden;
}

.demo-phone {
    max-width: 100%;
    width: 100%;
    filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.6)) drop-shadow(0 0 30px rgba(131, 21, 81, 0.25));
    margin: 0 auto;
    display: block;
    border-radius: 24px;
}

.demo-text h3 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2.5rem;
    letter-spacing: 0.04em;
    margin-bottom: 1rem;
    line-height: 1.05;
}

.demo-text p {
    color: var(--muted);
    line-height: 1.75;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.demo-url {
    font-family: monospace;
    font-size: 0.78rem;
    color: var(--red-light);
    background: rgba(131, 21, 81, 0.08);
    border: 1px solid rgba(131, 21, 81, 0.2);
    padding: 0.5rem 0.9rem;
    display: inline-block;
    margin-bottom: 1.5rem;
    letter-spacing: 0.01em;
    word-break: break-all;
}

/* GALLERY */
.cards-gallery {
    background: var(--dark);
}

.gallery-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

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

@media (min-width: 769px) {
    .pvc-text { order: 2; }
    .pvc-img-wrap { order: 1; }
}

.gallery-img {
    width: 100%;
    max-width: 440px;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 20px 50px rgba(0, 0, 0, 0.6)) drop-shadow(0 0 20px rgba(131, 21, 81, 0.15));
    border-radius: 8px;
}

.gallery-pvc {
    max-width: 260px;
    margin: 0 auto;
    display: block;
    filter: drop-shadow(0 15px 35px rgba(0, 0, 0, 0.5));
    border-radius: 6px;
}

.finishes-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.finish-chip {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    color: var(--muted);
}

.finish-dot {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.finish-dot.gold {
    background: linear-gradient(135deg, #C9A84C, #a07c30);
}

.finish-dot.silver {
    background: linear-gradient(135deg, #B0B7C3, #7a8494);
}

.finish-dot.black-matte {
    background: #1a1a1a;
    border-color: #555;
}

/* PRODUCTS */
.products {
    background: var(--mid);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5px;
    background: var(--border);
    border: 1px solid var(--border);
}

.product-card {
    background: var(--card);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: background 0.3s;
}

.product-card:hover {
    background: #1e1e1e;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--red);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s ease;
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-material {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 0.3rem 0.7rem;
    border: 1px solid var(--border);
    color: var(--muted);
    margin-bottom: 1.5rem;
}

.product-material.metal {
    border-color: var(--gold);
    color: var(--gold);
}

.product-material.pvc {
    border-color: var(--silver);
    color: var(--silver);
}

.product-name {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2rem;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.product-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--red-light);
    margin-bottom: 0.3rem;
    line-height: 1;
}

.product-shipping {
    font-size: 0.82rem;
    color: var(--muted);
    margin-bottom: 2rem;
}

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

.product-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.5;
}

.product-features li::before {
    content: '→';
    color: var(--red-light);
    font-size: 0.8rem;
    flex-shrink: 0;
    margin-top: 0.05rem;
}

/* PROCESS */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 2rem;
    left: 5%;
    right: 5%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), var(--border), transparent);
}

.step {
    padding: 0 1.5rem 2rem;
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.step.visible {
    opacity: 1;
    transform: translateY(0);
}

.step-num {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 3.5rem;
    color: var(--border);
    line-height: 1;
    margin-bottom: 1rem;
}

.step-dot {
    position: absolute;
    top: 2rem;
    left: 1.5rem;
    width: 8px;
    height: 8px;
    background: var(--red);
    border-radius: 50%;
    transform: translateX(-4px);
    z-index: 1;
}

.step-title {
    font-weight: 500;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.step-desc {
    font-size: 0.85rem;
    color: var(--muted);
    line-height: 1.6;
}

/* TERMS */
.terms {
    background: var(--dark);
}

.terms-card {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 2.5rem;
    border-left: 4px solid var(--red);
}

.terms-card p {
    color: var(--muted);
    line-height: 1.8;
    font-size: 0.95rem;
}

.terms-card strong {
    color: var(--text);
    font-weight: 500;
}

.payment-methods {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.pay-badge {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 0.7rem 1.4rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: border-color 0.2s;
}

.pay-badge:hover {
    border-color: var(--red);
}

/* FAQ */
.faq-section {
    padding: 6rem 3rem;
    background: var(--dark);
}

.faq-list {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-item:first-child {
    border-top: 1px solid var(--border);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    text-align: left;
    padding: 1.4rem 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    transition: color 0.2s;
}

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

.faq-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    position: relative;
    border: 1px solid var(--border);
    border-radius: 50%;
    transition: border-color 0.2s, transform 0.3s;
}

.faq-icon::before,
.faq-icon::after {
    content: '';
    position: absolute;
    background: var(--text);
    border-radius: 2px;
    transition: opacity 0.25s, transform 0.25s;
    top: 50%;
    left: 50%;
}

.faq-icon::before {
    width: 8px;
    height: 1.5px;
    transform: translate(-50%, -50%);
}

.faq-icon::after {
    width: 1.5px;
    height: 8px;
    transform: translate(-50%, -50%);
}

.faq-question[aria-expanded="true"] .faq-icon {
    border-color: var(--red);
    transform: rotate(45deg);
}

.faq-answer {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.3s ease;
}

.faq-answer-inner {
    overflow: hidden;
    padding-bottom: 0;
    transition: padding-bottom 0.3s ease;
}

.faq-answer-inner p {
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.75;
    margin-bottom: 1rem;
}

.faq-item.open .faq-answer {
    grid-template-rows: 1fr;
}

.faq-item.open .faq-answer-inner {
    padding-bottom: 1.4rem;
}

.faq-img {
    width: 100%;
    max-width: 560px;
    display: block;
    border-radius: 8px;
    margin: 0 auto;
}

/* CTA */
.cta-footer {
    text-align: center;
    padding: 7rem 3rem;
    background: var(--mid);
    position: relative;
    overflow: hidden;
}

.cta-footer::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(131, 21, 81, 0.1) 0%, transparent 70%);
}

.cta-footer h2 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(3rem, 7vw, 5.5rem);
    letter-spacing: 0.02em;
    line-height: 0.95;
    margin-bottom: 1.5rem;
    position: relative;
}

.cta-footer p {
    color: var(--muted);
    font-size: 1rem;
    margin-bottom: 2.5rem;
    position: relative;
}

/* FOOTER */
footer {
    border-top: 1px solid var(--border);
    padding: 2rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

footer .logo img {
    height: 36px;
    width: auto;
    display: block;
    margin: 0 auto;
}

footer p {
    font-size: 0.8rem;
    color: var(--muted);
}

/* ANIMATIONS */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px)
    }

    to {
        opacity: 1;
        transform: translateY(0)
    }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 640px) {
    nav {
        padding: 1rem 1.5rem
    }

    section {
        padding: 5rem 1.5rem
    }

    .hero {
        padding: 7rem 1.5rem 4rem;
        flex-direction: column;
        align-items: flex-start;
        overflow: visible;
        min-height: unset;
    }

    footer {
        padding: 2rem 1.5rem
    }

    .process-steps::before {
        display: none
    }
}