/* ============================================
   VolDep - Depo Yönetim Sistemi
   Ana Stil Dosyası
   ============================================ */

/* ---------- Değişkenler ---------- */
:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #818cf8;
    --accent: #06b6d4;
    --dark: #0f172a;
    --dark-2: #1e293b;
    --gray: #64748b;
    --gray-light: #f1f5f9;
    --white: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--dark);
    line-height: 1.6;
    background: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Butonlar ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 4px 16px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--dark);
    border: 2px solid #e2e8f0;
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(79, 70, 229, 0.05);
}

.btn-ghost {
    background: transparent;
    color: var(--dark);
    padding: 12px 16px;
}

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

.btn-white {
    background: var(--white);
    color: var(--primary);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.05rem;
}

.btn-block {
    width: 100%;
}

/* ---------- Navbar ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    transition: var(--transition);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -0.02em;
}

.brand-logo-img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: cover;
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.25);
    border: 1px solid rgba(79, 70, 229, 0.3);
}

.logo-icon {
    font-size: 1.6rem;
}

.logo-accent {
    color: var(--primary);
    background: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: var(--gray);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: var(--transition);
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    padding: 160px 0 100px;
    background: linear-gradient(180deg, #f8fafc 0%, var(--white) 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: var(--primary-light);
    top: -150px;
    right: -100px;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: #67e8f9;
    bottom: -100px;
    left: -150px;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: #c7d2fe;
    top: 40%;
    left: 40%;
}

.hero-container {
    position: relative;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--gray);
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.hero-stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--dark);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--gray);
}

/* Hero Dashboard Görseli */
.hero-visual {
    position: relative;
}

.dashboard-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid rgba(226, 232, 240, 0.8);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.dashboard-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 14px 20px;
    background: var(--gray-light);
    border-bottom: 1px solid #e2e8f0;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red { background: #f87171; }
.dot.yellow { background: #fbbf24; }
.dot.green { background: #34d399; }

.dashboard-title {
    margin-left: 8px;
    font-size: 0.8rem;
    color: var(--gray);
    font-weight: 600;
}

.dashboard-body {
    padding: 20px;
}

.dashboard-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 16px;
}

.mini-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px;
    background: var(--gray-light);
    border-radius: var(--radius-sm);
}

.mini-card-icon {
    font-size: 1.4rem;
}

.mini-card-value {
    display: block;
    font-weight: 800;
    font-size: 1.1rem;
}

.mini-card-label {
    font-size: 0.75rem;
    color: var(--gray);
}

.chart {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 100px;
    padding: 12px;
    background: var(--gray-light);
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
}

.chart-bar {
    flex: 1;
    height: var(--h);
    background: linear-gradient(180deg, var(--primary-light), var(--primary));
    border-radius: 4px 4px 0 0;
    animation: grow 1s ease-out;
}

@keyframes grow {
    from { height: 0; }
}

.stock-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stock-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: var(--gray-light);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

.stock-status.ok {
    color: var(--success);
    font-weight: 600;
}

.stock-status.warning {
    color: var(--warning);
    font-weight: 600;
}

/* ---------- Güven Bölümü ---------- */
.trust {
    padding: 40px 0;
    border-top: 1px solid var(--gray-light);
    border-bottom: 1px solid var(--gray-light);
}

.trust-title {
    text-align: center;
    font-size: 0.85rem;
    color: var(--gray);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.trust-logos {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.trust-logo {
    font-weight: 800;
    font-size: 1.1rem;
    color: #cbd5e1;
    letter-spacing: 0.05em;
}

/* ---------- Bölüm Başlıkları ---------- */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 56px;
}

.section-badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-description {
    color: var(--gray);
    font-size: 1.05rem;
}

/* ---------- Özellikler ---------- */
.features {
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 32px;
    background: var(--white);
    border: 1px solid #e2e8f0;
    border-radius: var(--radius);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(6, 182, 212, 0.1));
    border-radius: 14px;
    font-size: 1.6rem;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-description {
    color: var(--gray);
    font-size: 0.95rem;
}

/* ---------- Nasıl Çalışır ---------- */
.how-it-works {
    padding: 100px 0;
    background: var(--dark);
    color: var(--white);
}

.how-it-works .section-title {
    color: var(--white);
}

.how-it-works .section-description {
    color: #94a3b8;
}

.how-it-works .section-badge {
    background: rgba(129, 140, 248, 0.15);
    color: var(--primary-light);
}

.steps {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 24px;
}

.step {
    position: relative;
    flex: 1;
    max-width: 300px;
    padding: 40px 28px;
    background: var(--dark-2);
    border: 1px solid #334155;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
}

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

.step-number {
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    font-weight: 800;
    font-size: 0.95rem;
}

.step-icon {
    font-size: 2.4rem;
    margin-bottom: 16px;
}

.step-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.step-description {
    color: #94a3b8;
    font-size: 0.92rem;
}

.step-connector {
    align-self: center;
    font-size: 1.6rem;
    color: var(--primary-light);
}

/* ---------- İstatistikler ---------- */
.stats {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-big {
    font-size: 2.8rem;
    font-weight: 800;
}

.stat-plus {
    font-size: 2rem;
    font-weight: 800;
    opacity: 0.8;
}

.stat-text {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
}

/* ---------- Fiyatlar ---------- */
.pricing {
    padding: 100px 0;
    background: var(--gray-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}

.pricing-card {
    position: relative;
    background: var(--white);
    padding: 36px 28px;
    border-radius: var(--radius);
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-lg);
    transform: scale(1.03);
}

.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--white);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 700;
    white-space: nowrap;
}

.plan-name {
    font-size: 1.25rem;
    font-weight: 700;
}

.plan-desc {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.plan-price {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 24px;
}

.price {
    font-size: 2.4rem;
    font-weight: 800;
}

.period {
    color: var(--gray);
    font-size: 0.95rem;
}

.plan-features {
    list-style: none;
    margin-bottom: 28px;
    flex: 1;
}

.plan-features li {
    padding: 8px 0;
    color: var(--dark-2);
    font-size: 0.95rem;
    border-bottom: 1px dashed #e2e8f0;
}

.plan-features li:last-child {
    border-bottom: none;
}

/* ---------- Yorumlar ---------- */
.testimonials {
    padding: 100px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    padding: 32px;
    background: var(--white);
    border: 1px solid #e2e8f0;
    border-radius: var(--radius);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.stars {
    color: #fbbf24;
    font-size: 1.1rem;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.testimonial-text {
    color: var(--dark-2);
    font-size: 0.98rem;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--white);
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.9rem;
}

.author-name {
    display: block;
    font-weight: 700;
    font-size: 0.95rem;
}

.author-role {
    font-size: 0.8rem;
    color: var(--gray);
}

/* ---------- CTA ---------- */
.cta {
    padding: 40px 0 100px;
}

.cta-box {
    padding: 64px 40px;
    background: linear-gradient(135deg, var(--dark), var(--dark-2));
    border-radius: 24px;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.4), transparent 70%);
    top: -200px;
    right: -100px;
}

.cta-title {
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    font-weight: 800;
    margin-bottom: 16px;
    position: relative;
}

.cta-description {
    color: #94a3b8;
    margin-bottom: 32px;
    position: relative;
}

/* ---------- İletişim ---------- */
.contact {
    padding: 100px 0;
    background: var(--gray-light);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-description {
    color: var(--gray);
    margin: 16px 0 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
}

.contact-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    font-size: 1.2rem;
}

.contact-form {
    background: var(--white);
    padding: 36px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.form-success {
    display: none;
    margin-top: 16px;
    padding: 12px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
}

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

/* ---------- Footer ---------- */
.footer {
    background: var(--dark);
    color: #94a3b8;
    padding: 64px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 0.92rem;
    margin-bottom: 24px;
    max-width: 300px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-2);
    border-radius: 10px;
    color: #94a3b8;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-title {
    color: var(--white);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    color: #94a3b8;
    text-decoration: none;
    padding: 6px 0;
    font-size: 0.92rem;
    transition: var(--transition);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid #334155;
    font-size: 0.85rem;
    flex-wrap: wrap;
    gap: 12px;
}

/* ---------- Kullanıcı Rozeti (giriş yapılmışsa) ---------- */
.user-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 14px 6px 6px;
    background: var(--gray-light);
    border-radius: 100px;
    border: 1px solid #e2e8f0;
}

.user-avatar {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--white);
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.85rem;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--dark);
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ---------- Toast Bildirimi ---------- */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 16px 22px;
    background: var(--dark);
    color: var(--white);
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    font-size: 0.95rem;
    z-index: 2000;
    animation: toastIn 0.4s ease, toastOut 0.4s ease 4s forwards;
    max-width: 360px;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(60px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toastOut {
    to {
        opacity: 0;
        transform: translateX(60px);
    }
}

/* ---------- Animasyonlar ---------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-content {
        text-align: center;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons,
    .hero-stats {
        justify-content: center;
    }

    .features-grid,
    .pricing-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-container {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid #e2e8f0;
        box-shadow: var(--shadow-lg);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        z-index: 999;
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .hamburger {
        display: flex;
    }

    .btn-ghost {
        display: none;
    }

    .steps {
        flex-direction: column;
        align-items: center;
    }

    .step-connector {
        transform: rotate(90deg);
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 130px 0 80px;
    }
}

@media (max-width: 576px) {
    .features-grid,
    .pricing-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: none;
    }

    .hero-stats {
        gap: 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .user-name {
        display: none;
    }
}