:root {
    --bg: #0f172a;
    --bg-alt: #111827;
    --accent: #3b82f6;
    --accent-soft: rgba(59, 130, 246, 0.12);
    --text: #e5e7eb;
    --text-soft: #9ca3af;
    --card-bg: #020617;
    --border: #1f2937;
    --danger: #f97316;
    --container-width: 1100px;
    --radius: 12px;
    --shadow-soft: 0 18px 45px rgba(0,0,0,0.65);
    --shadow-card: 0 16px 30px rgba(15,23,42,0.9);
}

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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #1f2937 0, #020617 45%, #000 100%);
    color: var(--text);
    line-height: 1.6;
}

/* Layout */

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 16px;
}

/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(18px);
    background: linear-gradient(to bottom, rgba(2, 6, 23, 0.96), rgba(15,23,42,0.6));
    border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-mark {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 20%, #60a5fa, #1d4ed8);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.6);
}

.logo-text {
    font-weight: 600;
    letter-spacing: 0.02em;
}

.main-nav {
    display: flex;
    gap: 18px;
    font-size: 0.9rem;
}

.main-nav a {
    color: var(--text-soft);
    text-decoration: none;
    padding: 6px 8px;
    border-radius: 999px;
    transition: all 0.18s ease;
}

.main-nav a:hover {
    color: #fff;
    background: rgba(30,64,175,0.7);
}

/* Hero */

.hero {
    padding: 40px 0 30px;
}

.hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 2.1fr) minmax(0, 1.4fr);
    gap: 28px;
    align-items: flex-start;
}

.hero-text h1 {
    font-size: 2.4rem;
    line-height: 1.2;
    margin-bottom: 16px;
}

.hero-text p {
    color: var(--text-soft);
    margin-bottom: 12px;
}

.hero-bullets {
    list-style: none;
    margin: 12px 0 18px;
}

.hero-bullets li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 5px;
    color: var(--text);
    font-size: 0.98rem;
}

.hero-bullets li::before {
    content: "•";
    position: absolute;
    left: 2px;
    top: 0;
    color: var(--accent);
}

.hero-note {
    font-size: 0.8rem;
    color: var(--text-soft);
    margin-top: 8px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

/* Buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 18px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 0.9rem;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.18s ease;
}

.btn-primary {
    background: linear-gradient(to right, #2563eb, #7c3aed);
    color: white;
    box-shadow: 0 16px 35px rgba(37, 99, 235, 0.7);
}

.btn-primary:hover {
    filter: brightness(1.05);
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border-color: rgba(148,163,184,0.4);
}

.btn-secondary:hover {
    border-color: rgba(59,130,246,0.8);
}

/* Hero box */

.hero-box {
    background: radial-gradient(circle at top left, rgba(59,130,246,0.2), rgba(15,23,42,0.98));
    border-radius: 18px;
    padding: 18px 18px 20px;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(148,163,184,0.35);
}

.hero-box h2 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.hero-box p {
    font-size: 0.9rem;
    color: var(--text-soft);
}

.hero-mini-list {
    margin: 10px 0 10px;
    padding-left: 18px;
    font-size: 0.9rem;
    color: var(--text);
}

.hero-form-info {
    font-size: 0.8rem;
    color: var(--text-soft);
}

/* Sections */

.section {
    padding: 32px 0;
}

.section-alt {
    background: radial-gradient(circle at top, #020617, #020617 60%, #000 100%);
    border-top: 1px solid rgba(15,23,42,0.9);
    border-bottom: 1px solid rgba(15,23,42,0.9);
}

.section h2 {
    font-size: 1.6rem;
    margin-bottom: 8px;
}

.section-intro {
    color: var(--text-soft);
    font-size: 0.95rem;
    max-width: 750px;
    margin-top: 2px;
}

/* Grids & Cards */

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 20px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 18px;
}

.card {
    background: radial-gradient(circle at top left, rgba(15,23,42,0.9), #020617);
    border-radius: var(--radius);
    padding: 14px 14px 16px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    font-size: 0.9rem;
}

.card h3 {
    margin-bottom: 6px;
    font-size: 1.05rem;
}

.card p {
    color: var(--text-soft);
    margin-bottom: 6px;
    font-size: 0.9rem;
}

.card ul {
    padding-left: 18px;
    font-size: 0.9rem;
}

/* Lists */

.check-list,
.warn-list {
    list-style: none;
    font-size: 0.9rem;
}

.check-list li,
.warn-list li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 6px;
    color: var(--text-soft);
}

.check-list li::before {
    content: "✔";
    position: absolute;
    left: 0;
    top: 0;
    color: #22c55e;
    font-size: 0.8rem;
}

.warn-list li::before {
    content: "!";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--danger);
    font-weight: 700;
    font-size: 0.8rem;
}

.small-note {
    font-size: 0.8rem;
    color: var(--text-soft);
    margin-top: 6px;
}

/* Pricing */

.pricing-grid {
    margin-top: 20px;
}

.pricing-card .price {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: #e5e7eb;
}

.pricing-note {
    font-size: 0.8rem;
    color: var(--text-soft);
    margin-top: 6px;
}

.pricing-card-highlight {
    border-color: rgba(59,130,246,0.9);
    box-shadow: 0 20px 45px rgba(37, 99, 235, 0.8);
}

/* FAQ */

.faq-item {
    margin-top: 14px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(31,41,55,0.9);
}

.faq-item h3 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.faq-item p {
    font-size: 0.9rem;
    color: var(--text-soft);
}

/* Footer */

.site-footer {
    border-top: 1px solid rgba(31,41,55,0.9);
    background: #020617;
    margin-top: 30px;
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1.3fr 1.3fr;
    gap: 18px;
    padding: 18px 0 10px;
    font-size: 0.9rem;
}

.footer-links a {
    display: inline-block;
    margin-right: 10px;
    color: var(--text-soft);
    text-decoration: none;
    font-size: 0.85rem;
}

.footer-links a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(31,41,55,0.9);
    font-size: 0.8rem;
    color: var(--text-soft);
    text-align: center;
    padding: 8px 0;
}

/* Helpers */

.cta-center {
    text-align: center;
    margin-top: 20px;
}

/* Responsive */

@media (max-width: 900px) {
    .hero-inner {
        grid-template-columns: minmax(0, 1fr);
    }

    .main-nav {
        display: none;
    }

    .grid-3 {
        grid-template-columns: minmax(0, 1fr);
    }

    .grid-2 {
        grid-template-columns: minmax(0, 1fr);
    }

    .footer-inner {
        grid-template-columns: minmax(0, 1fr);
    }
}
.pricing-calculator {
    margin-top: 18px;
    padding: 16px;
    border-radius: var(--radius);
    background: radial-gradient(circle at top left, rgba(15,23,42,0.95), #020617);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.6fr);
    gap: 18px;
    font-size: 0.9rem;
}

.pricing-calculator label {
    font-weight: 500;
    margin-bottom: 6px;
    display: block;
}

.pricing-calculator input[type="number"] {
    width: 100%;
    border-radius: 999px;
    border: 1px solid rgba(148,163,184,0.5);
    padding: 7px 12px;
    background: rgba(15,23,42,0.8);
    color: var(--text);
    margin-bottom: 6px;
    outline: none;
}

.pricing-calculator input[type="number"]:focus {
    border-color: rgba(59,130,246,0.9);
}

.pricing-calculator small {
    color: var(--text-soft);
    font-size: 0.8rem;
}

.calc-result h3 {
    margin-top: 10px;
    margin-bottom: 4px;
    font-size: 1rem;
}

.calc-result p {
    font-size: 0.9rem;
    color: var(--text-soft);
}

.calc-price {
    font-size: 1.15rem;
    font-weight: 600;
    color: #e5e7eb;
    margin-top: 6px;
}

.calc-note {
    font-size: 0.8rem;
    margin-top: 4px;
}

.pricing-calculator ul {
    padding-left: 18px;
    margin-top: 6px;
}

.pricing-calculator li {
    margin-bottom: 4px;
}

.pricing-extra {
    margin-top: 20px;
}

/* responsive */
@media (max-width: 900px) {
    .pricing-calculator {
        grid-template-columns: minmax(0, 1fr);
    }
}
.logo-img {
    height: 38px;
    width: auto;
    display: block;
}
/* Modal – teklif formu */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.78);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    padding: 16px;
}

.modal-overlay.is-open {
    display: flex;
}

.modal-dialog {
    width: 100%;
    max-width: 720px;
    max-height: 90vh;
    background: radial-gradient(circle at top left,
        rgba(15,23,42,0.95),
        rgba(2,6,23,0.98));
    border-radius: 18px;
    border: 1px solid rgba(148,163,184,0.4);
    box-shadow: 0 26px 60px rgba(0,0,0,0.9);
    padding: 18px 18px 12px;
    display: flex;
    flex-direction: column;
    position: relative;
}

.modal-title {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.modal-sub {
    font-size: 0.9rem;
    color: var(--text-soft);
    margin-bottom: 8px;
}

.modal-body {
    margin-top: 4px;
    border-radius: 12px;
    overflow-y: auto;
    flex: 1;
    background: transparent;
}

.modal-body iframe {
    border: 0;
    display: block;
}

.modal-close {
    position: absolute;
    right: 18px;
    top: 12px;
    border: 0;
    background: transparent;
    color: #e5e7eb;
    font-size: 1.6rem;
    cursor: pointer;
    line-height: 1;
}

.modal-close:hover {
    color: #fca5a5;
}

@media (max-width: 768px) {
    .modal-dialog {
        max-width: 100%;
        max-height: 92vh;
        padding: 14px 12px 10px;
    }
}