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

:root {
    --amber: #F59E0B;
    --amber-dark: #D97706;
    --amber-glow: #FCD34D;
    --red: #DC2626;
    --red-dark: #991B1B;
    --dark: #0C0A09;
    --dark-warm: #1C1917;
    --cream: #FFFBEB;
    --gray: #78716C;
    --white: #FAFAF9;
    --green: #22C55E;
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--dark);
    color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; }

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(12, 10, 9, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(120, 113, 108, 0.1);
}

.nav-brand {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--amber);
    text-decoration: none;
}

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

.nav-links a {
    color: var(--gray);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-cta {
    background: var(--amber);
    color: var(--dark) !important;
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    font-weight: 600 !important;
    transition: background 0.2s !important;
}

.nav-cta:hover {
    background: var(--amber-dark) !important;
}

.nav-hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-hamburger { display: block; }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(12, 10, 9, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 1.5rem 2rem;
        gap: 1rem;
        border-bottom: 1px solid rgba(120, 113, 108, 0.2);
    }
    .nav-links.open { display: flex; }
}

/* ===== Page Sections ===== */
.page-header {
    padding: 8rem 2rem 4rem;
    text-align: center;
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.page-header .label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--amber);
    font-weight: 600;
    margin-bottom: 1rem;
}

.page-header h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-header .subtitle {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 550px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===== Section divider ===== */
.section-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(245, 158, 11, 0.3), transparent);
}

/* ===== Spec Grid ===== */
.specs-section {
    padding: 4rem 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.specs-section h2 {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    text-align: center;
    margin-bottom: 3rem;
    letter-spacing: -0.02em;
}

.spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.spec-card {
    background: var(--dark-warm);
    border: 1px solid rgba(120, 113, 108, 0.2);
    border-radius: 16px;
    padding: 1.75rem;
    text-align: center;
    transition: border-color 0.3s;
}

.spec-card:hover {
    border-color: rgba(245, 158, 11, 0.4);
}

.spec-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--amber);
    margin-bottom: 0.35rem;
}

.spec-label {
    font-size: 0.85rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ===== Detail Blocks ===== */
.detail-section {
    padding: 4rem 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.detail-section h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

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

@media (max-width: 640px) {
    .detail-grid { grid-template-columns: 1fr; }
}

.detail-item {
    padding: 1.5rem;
    background: var(--dark-warm);
    border-radius: 12px;
    border: 1px solid rgba(120, 113, 108, 0.15);
}

.detail-item h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--amber);
}

.detail-item p {
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.6;
}

/* ===== Pricing Cards ===== */
.pricing-section {
    padding: 4rem 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.pricing-card {
    background: var(--dark-warm);
    border: 1px solid rgba(120, 113, 108, 0.2);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
    transition: border-color 0.3s, transform 0.3s;
}

.pricing-card:hover {
    border-color: rgba(245, 158, 11, 0.4);
    transform: translateY(-4px);
}

.pricing-card.featured {
    border-color: var(--amber);
    background: linear-gradient(180deg, rgba(245, 158, 11, 0.08) 0%, var(--dark-warm) 60%);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--amber);
    color: var(--dark);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.35rem 1rem;
    border-radius: 100px;
}

.pricing-tier {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray);
    margin-bottom: 0.5rem;
}

.pricing-units {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.pricing-price {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--amber);
    line-height: 1;
}

.pricing-per {
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: 0.25rem;
    margin-bottom: 1.5rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
}

.pricing-features li {
    font-size: 0.9rem;
    color: var(--gray);
    padding: 0.4rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.pricing-features li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--green);
    font-weight: 700;
}

.pricing-cta {
    display: inline-block;
    width: 100%;
    padding: 0.85rem 1.5rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s;
    text-align: center;
}

.pricing-cta.primary {
    background: var(--amber);
    color: var(--dark);
}

.pricing-cta.primary:hover {
    background: var(--amber-dark);
}

.pricing-cta.secondary {
    background: rgba(245, 158, 11, 0.1);
    color: var(--amber);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.pricing-cta.secondary:hover {
    background: rgba(245, 158, 11, 0.2);
}

/* ===== Volume Note ===== */
.volume-note {
    text-align: center;
    padding: 3rem 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.volume-note p {
    font-size: 1rem;
    color: var(--gray);
    line-height: 1.6;
}

.volume-note strong {
    color: var(--white);
}

/* ===== Contact Form ===== */
.form-section {
    padding: 4rem 2rem;
    max-width: 650px;
    margin: 0 auto;
}

.inquiry-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

@media (max-width: 640px) {
    .form-row { grid-template-columns: 1fr; }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.form-group label .required {
    color: var(--red);
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--dark-warm);
    border: 1px solid rgba(120, 113, 108, 0.25);
    border-radius: 10px;
    padding: 0.85rem 1rem;
    color: var(--white);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.95rem;
    transition: border-color 0.2s;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--amber);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(120, 113, 108, 0.6);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='%2378716C'%3E%3Cpath d='M6 8L0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-group select option {
    background: var(--dark-warm);
    color: var(--white);
}

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

.form-submit {
    background: var(--amber);
    color: var(--dark);
    border: none;
    padding: 1rem 2rem;
    border-radius: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 0.5rem;
}

.form-submit:hover {
    background: var(--amber-dark);
}

.form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ===== Success Message ===== */
.success-message {
    display: none;
    text-align: center;
    padding: 3rem 2rem;
}

.success-message.show {
    display: block;
}

.success-icon {
    width: 64px;
    height: 64px;
    background: rgba(34, 197, 94, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
}

.success-message h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.success-message p {
    color: var(--gray);
    line-height: 1.6;
}

/* ===== Error Message ===== */
.form-error {
    display: none;
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.3);
    border-radius: 10px;
    padding: 0.85rem 1rem;
    color: var(--red);
    font-size: 0.9rem;
}

.form-error.show {
    display: block;
}

/* ===== CTA Banner ===== */
.cta-banner {
    padding: 6rem 2rem;
    text-align: center;
    position: relative;
}

.cta-banner::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.cta-banner h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.cta-banner p {
    font-size: 1.05rem;
    color: var(--gray);
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.cta-btn {
    display: inline-block;
    background: var(--amber);
    color: var(--dark);
    padding: 0.9rem 2.5rem;
    border-radius: 10px;
    text-decoration: none;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 1.05rem;
    transition: background 0.2s;
}

.cta-btn:hover {
    background: var(--amber-dark);
}

/* ===== Footer ===== */
footer {
    padding: 3rem 2rem;
    text-align: center;
    border-top: 1px solid rgba(120, 113, 108, 0.15);
}

.footer-brand {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--amber);
    margin-bottom: 0.5rem;
}

.footer-text {
    font-size: 0.85rem;
    color: var(--gray);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
    list-style: none;
}

.footer-links a {
    color: var(--gray);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

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