:root {
    --bg: #0b1220;
    --card: #111a2e;
    --section: #141f38;
    --hero: #16244a;
    --primary: #3a86ff;
    --text: #eaeef5;
    --muted: #9aa4b2;
    --border: rgba(255,255,255,0.08);
    --white: #ffffff;
}

/* SMOOTH SCROLL */
html {
    scroll-behavior: smooth;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
}

/* HEADER */
header {
    background: radial-gradient(
        1200px circle at top,
        #1a2450 0%,
        #0b1220 60%
    );
    padding: 90px 20px 70px;
    text-align: center;
}

header h1 {
    font-size: 2.6rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

header p {
    margin-top: 14px;
    font-size: 1.05rem;
    color: var(--muted);
}

/* LANGUAGE SWITCH */
.lang-switch {
    margin-top: 28px;
}

.lang-switch button {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--muted);
    padding: 7px 18px;
    border-radius: 999px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all .25s ease;
}

.lang-switch button:hover {
    border-color: var(--primary);
    color: var(--white);
}

.lang-switch button.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    font-weight: 600;
}

/* NAV */
nav {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(10px);
    background: rgba(11,18,32,0.8);
    display: flex;
    justify-content: center;
    gap: 34px;
    padding: 16px;
    border-bottom: 1px solid var(--border);
}

nav a {
    text-decoration: none;
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 500;
}

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

/* HERO – DAHA AÇIK */
.hero {
    background: linear-gradient(
        180deg,
        var(--hero),
        var(--bg)
    );
    padding: 100px 20px;
    max-width: 100%;
    text-align: center;
}

.hero h2 {
    font-size: 2.3rem;
    font-weight: 700;
    margin-bottom: 22px;
}

.hero p {
    font-size: 1.1rem;
    color: var(--muted);
    max-width: 720px;
    margin: auto;
}

/* SECTIONS – DAHA AÇIK */
.section {
    max-width: 1100px;
    margin: auto;
    padding: 90px 20px;
}

.section.dark {
    background: var(--section);
    border-radius: 18px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}

.section h2 {
    font-size: 1.9rem;
    margin-bottom: 28px;
    font-weight: 700;
}

.section p {
    color: var(--muted);
}

/* SERVICES */
.section ul {
    margin-left: 22px;
}

.section ul li {
    margin-bottom: 16px;
    font-size: 1.1rem;          /* 🔥 DAHA BÜYÜK */
    line-height: 1.6;
    font-weight: 500;
}

/* PRODUCTS */
.products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 26px;
    margin-top: 40px;
}

.product {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 26px;
    border-radius: 18px;
    font-weight: 600;
    transition: transform .25s ease, border .25s ease;
}

.product:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
}

/* FORM */
form {
    max-width: 520px;
    margin: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

input,
textarea {
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 15px 16px;
    border-radius: 12px;
    font-size: 0.95rem;
}

input::placeholder,
textarea::placeholder {
    color: #7f8aa3;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* BUTTON */
button {
    background: linear-gradient(135deg, var(--primary), #5aa2ff);
    color: var(--white);
    padding: 15px;
    border: none;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
}

button:hover {
    transform: translateY(-2px);
}

.note {
    text-align: center;
    font-size: 0.8rem;
    color: var(--muted);
    margin-top: 18px;
}

/* FOOTER */
footer {
    padding: 30px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--muted);
    border-top: 1px solid var(--border);
}

#contact {
    margin-bottom: 80px;
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(11, 18, 32, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    display: none;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(255,255,255,0.3);
    border-top: 4px solid #3a86ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* STATUS MESSAGE */
.status-toast {
    position: fixed;
    top: 30px;
    right: 30px;
    min-width: 320px;
    max-width: 420px;
    padding: 18px 22px;
    border-radius: 12px;
    font-size: 0.95rem;
    line-height: 1.5;
    box-shadow: 0 20px 40px rgba(0,0,0,0.25);
    opacity: 0;
    transform: translateY(-10px);
    transition: all .3s ease;
    z-index: 10000;
}

.status-toast.show {
    opacity: 1;
    transform: translateY(0);
}

.status-toast.success {
    background: #0f5132;
    color: #d1e7dd;
    border-left: 5px solid #198754;
}

.status-toast.error {
    background: #842029;
    color: #f8d7da;
    border-left: 5px solid #dc3545;
}