/* ============================================
   Tech To Project - Ana Stil Dosyası
   Açık tonlar, modern ve responsive tasarım
   ============================================ */

/* Renk Paleti */
:root {
    --primary: #e67e22;        /* Turuncu aksan */
    --primary-dark: #d35400;   /* Koyu turuncu */
    --dark: #1a1a1a;           /* Ana metin */
    --gray: #5a5a5a;           /* İkincil metin */
    --light-gray: #f8f9fa;     /* Açık arka plan */
    --white: #ffffff;
    --border: #e9ecef;
    --shadow: rgba(0, 0, 0, 0.08);
    --shadow-hover: rgba(0, 0, 0, 0.15);
    --success: #27ae60;
    --transition: all 0.3s ease;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    gap: 8px;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(230, 126, 34, 0.35);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(230, 126, 34, 0.45);
}

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

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-white {
    background-color: var(--white);
    color: var(--primary-dark);
    font-weight: 700;
}

.btn-white:hover {
    background-color: var(--light-gray);
    transform: translateY(-2px);
}

/* Section Base */
.section {
    padding: 80px 0;
}

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

.section-title h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--dark);
}

.section-title p {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

.section-title .accent-line {
    width: 60px;
    height: 4px;
    background: var(--primary);
    margin: 16px auto 0;
    border-radius: 2px;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 42px;
    width: auto;
}

.logo span {
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--dark);
    letter-spacing: -0.3px;
}

/* Nav */
.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav a {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray);
    position: relative;
}

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

.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav a:hover::after {
    width: 100%;
}

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

.header-actions .btn {
    padding: 8px 18px;
    font-size: 0.85rem;
}

.header-actions .btn-whatsapp {
    background-color: #25D366;
    color: white;
    display: flex;
    align-items: center;
    gap: 6px;
    border-radius: 6px;
    padding: 8px 16px;
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition);
}

.header-actions .btn-whatsapp:hover {
    background-color: #128C7E;
    transform: translateY(-1px);
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: var(--transition);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    padding: 140px 0 100px;
    background: linear-gradient(135deg, #fdfbf7 0%, #f8f9fa 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(230,126,34,0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 20px;
    color: var(--dark);
}

.hero-content h1 span {
    color: var(--primary);
}

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

.hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-height: 320px;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.12));
    transition: var(--transition);
}

.hero-image img:hover {
    transform: scale(1.03);
}

/* Stats Bar */
.stats-bar {
    background: var(--white);
    border-top: 1px solid var(--border);
    padding: 40px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item h3 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 4px;
}

.stat-item p {
    font-size: 0.9rem;
    color: var(--gray);
    font-weight: 500;
}

/* ============================================
   HAKKIMIZDA
   ============================================ */
.about {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.about-content h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--dark);
}

.about-content > p {
    color: var(--gray);
    margin-bottom: 24px;
    font-size: 1.02rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 28px;
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.about-feature .icon {
    width: 40px;
    height: 40px;
    background: rgba(230,126,34,0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
    font-size: 1.1rem;
}

.about-feature h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 2px;
    color: var(--dark);
}

.about-feature p {
    font-size: 0.88rem;
    color: var(--gray);
    line-height: 1.4;
}

.about-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.about-card {
    background: var(--light-gray);
    padding: 24px;
    border-radius: 12px;
    border-left: 4px solid var(--primary);
    transition: var(--transition);
}

.about-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px var(--shadow-hover);
}

.about-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--dark);
}

.about-card p {
    font-size: 0.88rem;
    color: var(--gray);
    line-height: 1.4;
}

/* ============================================
   HİZMETLER
   ============================================ */
.services {
    background: var(--light-gray);
}

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

.service-card {
    background: var(--white);
    padding: 36px 28px;
    border-radius: 14px;
    transition: var(--transition);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

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

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px var(--shadow-hover);
    border-color: transparent;
}

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(230,126,34,0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--primary);
    color: var(--white);
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--dark);
}

.service-card p {
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.5;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 16px;
}

.service-tag {
    font-size: 0.75rem;
    padding: 4px 10px;
    background: var(--light-gray);
    color: var(--gray);
    border-radius: 20px;
    font-weight: 500;
}

/* ============================================
   NEDEN BİZ?
   ============================================ */
.why-us {
    background: var(--white);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.why-card {
    text-align: center;
    padding: 32px 16px;
    border-radius: 12px;
    background: var(--light-gray);
    transition: var(--transition);
    border: 1px solid transparent;
}

.why-card:hover {
    background: var(--white);
    border-color: var(--border);
    box-shadow: 0 12px 30px var(--shadow);
    transform: translateY(-4px);
}

.why-card .icon {
    width: 60px;
    height: 60px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--primary);
    margin: 0 auto 16px;
    box-shadow: 0 4px 12px var(--shadow);
    transition: var(--transition);
}

.why-card:hover .icon {
    background: var(--primary);
    color: var(--white);
}

.why-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
}

.why-card p {
    font-size: 0.82rem;
    color: var(--gray);
    line-height: 1.4;
}

.why-highlight {
    text-align: center;
    margin-top: 40px;
    padding: 24px;
    background: linear-gradient(135deg, rgba(230,126,34,0.08) 0%, rgba(211,84,0,0.04) 100%);
    border-radius: 12px;
}

.why-highlight p {
    font-size: 1.1rem;
    color: var(--dark);
    font-weight: 600;
}

.why-highlight span {
    color: var(--primary);
    font-weight: 800;
}

/* ============================================
   ÇALIŞMA SÜRECİ
   ============================================ */
.process {
    background: var(--light-gray);
}

.process-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 35px;
    left: 60px;
    right: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--primary), var(--primary-dark));
    border-radius: 2px;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 160px;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 70px;
    height: 70px;
    background: var(--white);
    border: 3px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 16px;
    box-shadow: 0 4px 15px rgba(230,126,34,0.2);
    transition: var(--transition);
}

.process-step:hover .step-number {
    background: var(--primary);
    color: var(--white);
    transform: scale(1.1);
}

.step-content h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--dark);
}

.step-content p {
    font-size: 0.8rem;
    color: var(--gray);
    line-height: 1.4;
}

.process-output {
    margin-top: 50px;
    text-align: center;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.output-item {
    background: var(--white);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 15px var(--shadow);
    border-left: 3px solid var(--primary);
}

.output-item h5 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.output-item p {
    font-size: 0.8rem;
    color: var(--gray);
}

/* ============================================
   İLETİŞİM
   ============================================ */
.contact {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 24px;
    color: var(--dark);
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.info-item .icon {
    width: 44px;
    height: 44px;
    background: rgba(230,126,34,0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.info-item h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 2px;
    color: var(--dark);
}

.info-item p, .info-item a {
    font-size: 0.9rem;
    color: var(--gray);
}

.info-item a:hover {
    color: var(--primary);
}

.contact-map {
    width: 100%;
    height: 200px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Contact Form */
.contact-form {
    background: var(--light-gray);
    padding: 36px;
    border-radius: 14px;
    border: 1px solid var(--border);
}

.contact-form h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--dark);
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--dark);
    background: var(--white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(230,126,34,0.15);
}

.form-group textarea {
    min-height: 110px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-status {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 0.9rem;
    font-weight: 600;
}

.form-status.success {
    background: rgba(39,174,96,0.1);
    color: var(--success);
    border: 1px solid rgba(39,174,96,0.2);
}

.form-status.error {
    background: rgba(231,76,60,0.1);
    color: #e74c3c;
    border: 1px solid rgba(231,76,60,0.2);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: #1a1a1a;
    color: rgba(255,255,255,0.7);
    padding: 50px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand img {
    height: 40px;
    margin-bottom: 14px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 16px;
    color: rgba(255,255,255,0.6);
}

.footer-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 18px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-contact p {
    font-size: 0.88rem;
    margin-bottom: 10px;
    color: rgba(255,255,255,0.6);
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.5);
}

/* ============================================
   WHATSAPP FLOAT
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    z-index: 999;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background: #128C7E;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.5); }
    70% { box-shadow: 0 0 0 15px rgba(37,211,102,0); }
    100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-buttons {
        justify-content: center;
    }
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .why-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .process-steps {
        flex-wrap: wrap;
        gap: 30px;
        justify-content: center;
    }
    .process-steps::before {
        display: none;
    }
    .process-step {
        width: 140px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 10px 30px var(--shadow);
        transform: translateY(-150%);
        opacity: 0;
        transition: var(--transition);
        pointer-events: none;
    }
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    .menu-toggle {
        display: flex;
    }
    .header-actions {
        display: none;
    }
    .hero-content h1 {
        font-size: 2.2rem;
    }
    .section-title h2 {
        font-size: 1.7rem;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .why-grid {
        grid-template-columns: 1fr 1fr;
    }
    .about-cards {
        grid-template-columns: 1fr;
    }
    .process-output {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .why-grid {
        grid-template-columns: 1fr;
    }
    .process-step {
        width: 100%;
        max-width: 200px;
    }
}

/* Utility */
.text-center { text-align: center; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }