:root {
    --bg-color: #050816;
    --card-bg: rgba(15, 23, 42, 0.8);
    --primary: #3b82f6;
    --accent: #8b5cf6;
    --accent-soft: rgba(139, 92, 246, 0.18);
    --text-main: #f9fafb;
    --text-sec: #94a3b8;
    --gradient-text: linear-gradient(135deg, #3b82f6, #8b5cf6);
    --glass: rgba(15, 23, 42, 0.75);
    --border-soft: rgba(148, 163, 184, 0.35);
    --radius-lg: 20px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    overflow-x: hidden;
}

a {
    text-decoration: none;
}

/* BACKGROUND FX */
.glow-bg,
.glow-bg-2 {
    position: fixed;
    z-index: -1;
    filter: blur(4px);
}

.glow-bg {
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, rgba(59,130,246,0.18) 0%, rgba(0,0,0,0) 70%);
    top: -120px;
    left: -80px;
    animation: pulse 12s infinite alternate;
}

.glow-bg-2 {
    width: 460px;
    height: 460px;
    background: radial-gradient(circle, rgba(139,92,246,0.18) 0%, rgba(0,0,0,0) 70%);
    bottom: -80px;
    right: -60px;
    opacity: 0.9;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.7; }
    100% { transform: scale(1.15); opacity: 1; }
}

/* NAVBAR */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 8%;
    background: rgba(5, 8, 22, 0.92);
    backdrop-filter: blur(18px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.logo {
    font-size: 1.7rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1px;
    white-space: nowrap;
}

.logo span {
    -webkit-text-fill-color: #f9fafb;
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links a {
    color: var(--text-sec);
    margin-left: 28px;
    font-weight: 500;
    transition: 0.25s;
    font-size: 0.95rem;
    white-space: nowrap;
}

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

.btn-main {
    background: var(--gradient-text);
    color: white;
    padding: 9px 22px;
    border-radius: 999px;
    font-weight: 600;
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.35);
    transition: 0.25s;
    border: 1px solid transparent;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.btn-main i {
    font-size: 0.9rem;
}

.btn-main:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 30px rgba(139, 92, 246, 0.4);
}

.btn-fiyat {
    font-weight: 700;
    letter-spacing: 0.03em;
    color: #ffffff !important;
    text-shadow: 0 0 6px rgba(0, 0, 0, 0.25);
}

/* MOBİL NAV BUTONU */
.mobile-offer-btn {
    display: none;
    background: var(--gradient-text);
    color: #fff;
    padding: 8px 16px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-left: auto;
    white-space: nowrap;
    box-shadow: 0 6px 18px rgba(0,0,0,0.35);
}

/* HERO */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 8%;
    padding-top: 96px;
    gap: 40px;
}

.hero-text {
    flex: 1.2;
    max-width: 620px;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.85);
    border: 1px solid rgba(148, 163, 184, 0.4);
    font-size: 0.8rem;
    color: var(--text-sec);
    margin-bottom: 18px;
}

.hero-tag-dot {
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: #22c55e;
    box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.2);
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.08;
    margin-bottom: 18px;
    background: linear-gradient(to right, #e5e7eb, #9ca3af);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero h1 span {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    color: var(--text-sec);
    font-size: 1.05rem;
    margin-bottom: 26px;
    line-height: 1.7;
}

.hero p strong {
    color: #e5e7eb;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 28px;
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 20px;
    border-radius: 999px;
    border: 1px solid var(--border-soft);
    background: rgba(15, 23, 42, 0.85);
    color: var(--text-sec);
    font-size: 0.9rem;
}

.btn-ghost i {
    color: #25D366;
}

.stats {
    display: flex;
    flex-wrap: wrap;
    gap: 26px;
    margin-top: 20px;
}

.stat-item {
    min-width: 120px;
}

.stat-item h3 {
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 4px;
}

.stat-item p {
    font-size: 0.85rem;
    color: var(--text-sec);
}

.hero-img {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.phone-mockup {
    width: 290px;
    height: 500px;
    background: radial-gradient(circle at top, #1f2933 0%, #020617 65%);
    border-radius: 36px;
    border: 3px solid rgba(148, 163, 184, 0.5);
    box-shadow:
        0 0 50px rgba(59, 130, 246, 0.3),
        0 30px 60px rgba(0, 0, 0, 0.75);
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 6s ease-in-out infinite;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 14px;
    width: 34%;
    height: 6px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.9);
}

.phone-inner {
    width: 88%;
    height: 86%;
    border-radius: 28px;
    background: radial-gradient(circle at top, rgba(59, 130, 246, 0.45), rgba(15, 23, 42, 0.95));
    border: 1px solid rgba(148, 163, 184, 0.4);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 12px;
    padding: 20px;
    text-align: center;
}

.phone-inner h3 {
    font-size: 1.1rem;
    margin-bottom: 6px;
}

.phone-inner p {
    font-size: 0.8rem;
    color: #cbd5f5;
}

.circle-decoration {
    position: absolute;
    width: 380px;
    height: 380px;
    border-radius: 50%;
    background: var(--gradient-text);
    filter: blur(80px);
    opacity: 0.22;
    z-index: 1;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-18px); }
}

/* TICKER */
.ticker-wrap {
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    padding: 12px 0;
    overflow: hidden;
    border-top: 1px solid rgba(148, 163, 184, 0.2);
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.ticker {
    overflow: hidden;
    width: 100%;
}

.ticker-track {
    display: inline-flex;
    gap: 60px;
    white-space: nowrap;
    animation: tickerLoop 60s linear infinite; /* daha yavaş */
}

.ticker-item {
    font-size: 0.95rem;
    color: var(--text-sec);
    font-weight: 500;
}

.ticker-item span {
    color: #22c55e;
    margin-left: 6px;
}

@keyframes tickerLoop {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* GENEL SECTION */
section {
    scroll-margin-top: 90px;
}

.section-padding {
    padding: 80px 8%;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header span.kicker {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text-sec);
    display: block;
    margin-bottom: 8px;
}

.section-header h2 {
    font-size: 2.3rem;
    margin-bottom: 10px;
}

.section-header p {
    color: var(--text-sec);
    max-width: 540px;
    margin: 0 auto;
    font-size: 0.95rem;
}

/* PROCESS */
.process {
    padding: 80px 8%;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
}

.step-card {
    background: var(--card-bg);
    padding: 32px 22px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    transition: 0.3s;
    position: relative;
    overflow: hidden;
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: var(--gradient-text);
    transform: scaleX(0);
    transition: 0.3s;
    transform-origin: left;
}

.step-card:hover {
    transform: translateY(-6px);
    background: rgba(15, 23, 42, 0.95);
}

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

.icon-box {
    font-size: 2.4rem;
    margin-bottom: 16px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.step-card h3 {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.step-card p {
    color: var(--text-sec);
    font-size: 0.9rem;
}

/* POPÜLER CİHAZLAR */
.devices {
    padding: 80px 8% 70px;
}

.devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 24px;
}

.device-card {
    background: var(--glass);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    padding: 18px 18px 16px;
    position: relative;
    overflow: hidden;
}

.device-chip {
    position: absolute;
    top: 10px;
    right: 12px;
    font-size: 0.7rem;
    padding: 3px 9px;
    border-radius: 999px;
    background: rgba(22, 163, 74, 0.12);
    color: #bbf7d0;
    border: 1px solid rgba(22, 163, 74, 0.5);
}

.device-title {
    font-size: 1rem;
    margin-bottom: 4px;
}

.device-meta {
    font-size: 0.8rem;
    color: var(--text-sec);
    margin-bottom: 10px;
}

.device-price {
    font-size: 0.95rem;
    color: #bfdbfe;
    font-weight: 600;
}

/* FORM SECTION */
.offer-section {
    padding: 80px 8%;
    display: flex;
    justify-content: center;
}

.glass-form {
    width: 100%;
    max-width: 960px;
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(22px);
    padding: 40px 36px;
    border-radius: 28px;
    border: 1px solid rgba(148, 163, 184, 0.5);
    box-shadow: 0 26px 60px -18px rgba(0, 0, 0, 0.8);
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 40px;
    align-items: center;
}

.form-info h3 {
    font-size: 2rem;
    margin-bottom: 14px;
}

.form-info p {
    color: var(--text-sec);
    margin-bottom: 18px;
    font-size: 0.95rem;
}

.check-list {
    list-style: none;
    margin-top: 6px;
}

.check-list li {
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-sec);
}

.check-list i {
    color: #22c55e;
    margin-right: 8px;
}

.form-columns {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.input-group {
    margin-bottom: 8px;
}

.input-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.8rem;
    color: var(--text-sec);
}

input, select, textarea {
    width: 100%;
    padding: 12px 12px;
    background: rgba(15, 23, 42, 0.96);
    border: 1px solid rgba(148, 163, 184, 0.7);
    border-radius: 12px;
    color: white;
    outline: none;
    transition: 0.25s;
    font-size: 0.9rem;
}

input::placeholder,
textarea::placeholder {
    color: #64748b;
}

textarea {
    min-height: 80px;
    resize: vertical;
}

select {
    cursor: pointer;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.5);
    background: rgba(15, 23, 42, 0.98);
}

.btn-submit {
    width: 100%;
    padding: 13px;
    background: var(--gradient-text);
    border: none;
    color: white;
    font-weight: 600;
    border-radius: 999px;
    cursor: pointer;
    font-size: 1rem;
    transition: 0.25s;
    margin-top: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 35px rgba(59, 130, 246, 0.45);
}

/* FORM OPTION BUTTONLARI */
.option-group {
    margin-top: 10px;
}

.option-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.option-btn {
    border: 1px solid rgba(148,163,184,0.6);
    background: rgba(15,23,42,0.96);
    color: #e5e7eb;
    font-size: 0.8rem;
    padding: 8px 14px;
    border-radius: 10px;
    cursor: pointer;
    transition: 0.2s;
}

.option-btn:hover {
    border-color: var(--primary);
}

.option-btn.active {
    border-color: var(--primary);
    background: var(--accent-soft);
    color: #fff;
}

/* COLLAPSE BUTTON */
.collapse-toggle {
    width: 100%;
    margin-top: 10px;
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid var(--border-soft);
    background: rgba(15, 23, 42, 0.96);
    color: var(--text-sec);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
}

.collapse-toggle i {
    font-size: 0.85rem;
}

.collapse-content {
    display: none;
    margin-top: 12px;
}

/* FOOTER */
footer {
    padding: 40px 8% 50px 8%;
    background: #020617;
    border-top: 1px solid rgba(148, 163, 184, 0.25);
    margin-top: 40px;
}

footer .footer-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 40px;
    flex-wrap: wrap;
}

footer .footer-left {
    flex: 1;
    min-width: 300px;
    max-width: 450px;
}

footer .footer-title {
    font-size: 1.9rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: 0.05em;
    background: linear-gradient(135deg,#4f8dfd,#9a6bff);
    -webkit-background-clip:text;
    background-clip:text;
    -webkit-text-fill-color:transparent;
}

footer .footer-text-main {
    color:#cbd5e1;
    font-size:0.95rem;
    line-height:1.6;
    margin-bottom:8px;
}

footer .footer-text-sub {
    color:#94a3b8;
    font-size:0.9rem;
    line-height:1.5;
    margin-bottom:16px;
}

footer .footer-socials a {
    color:#e5e7eb;
    font-size:1.2rem;
    margin-right:12px;
}

footer .footer-copy {
    color:#64748b;
    font-size:0.8rem;
    margin-top:5px;
}

footer .footer-map-wrapper {
    flex:0 0 auto;
}

footer .footer-map {
    width:260px;
    height:260px;
    border-radius:20px;
    overflow:hidden;
    border:1px solid rgba(148,163,184,0.3);
    box-shadow:0 0 25px rgba(0,0,0,0.35);
}

/* YUKARI OK BUTONU */
#backToTop {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 22px;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.25);
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
    z-index: 9999;
}

#backToTop.show {
    opacity: 1;
    visibility: visible;
}

#backToTop:hover {
    transform: translateY(-5px);
}

/* RESPONSIVE */
@media (max-width: 992px) {
    .hero {
        flex-direction: row;
        padding-top: 112px;
    }
    .hero-text {
        max-width: 100%;
    }
    .hero-img {
        justify-content: flex-end;
    }
    .glass-form {
        grid-template-columns: 1.2fr 1fr;
        padding: 32px 24px;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    nav {
        padding-inline: 6%;
    }

    .nav-links {
        display: none;
    }

    .mobile-offer-btn {
        display: inline-flex;
        align-items: center;
    }

    .hero {
        padding-inline: 6%;
        text-align: left;
        min-height: auto;
        padding-top: 110px;
        padding-bottom: 60px;
        flex-direction: column;
        align-items: flex-start;
    }

    .hero h1 {
        font-size: 2.4rem;
    }

    .hero-img {
        display: none;
    }

    .process,
    .devices,
    .offer-section,
    .section-padding {
        padding-inline: 6%;
    }

    .glass-form {
        grid-template-columns: 1fr;
        padding: 28px 22px;
    }

    .form-info h3 {
        font-size: 1.6rem;
    }

    .ticker-track {
        animation-duration: 45s; /* mobilde daha da yavaş */
    }

    footer .footer-map {
        width:220px;
        height:220px;
        margin-top: 10px;
    }

    .option-buttons {
        justify-content: flex-start;
    }

    .option-btn {
        padding: 8px 10px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-main,
    .btn-ghost {
        width: 100%;
        justify-content: center;
    }

    .glass-form {
        padding: 24px 18px;
    }

    footer .footer-map {
        width:200px;
        height:200px;
    }

    /* option butonları 2 sütun yap – taşma engel */
    .option-buttons {
        gap: 6px;
    }

    .option-btn {
        flex: 1 1 calc(50% - 6px);
        text-align: center;
    }
}