/* =========== GOOGLE FONTS =========== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');

/* =========== DEĞİŞKENLER =========== */
:root {
  /* Renkler */
  --primary-color: #FF6B6B; /* Vurgu rengi olarak turuncu/kırmızı tonu */
  --dark-color: #1A202C;    /* Koyu lacivert/siyah */
  --body-color: #F7FAFC;     /* Açık gri zemin */
  --text-color: #4A5568;     /* Metin rengi */
  --title-color: #2D3748;    /* Başlık rengi */
  --container-color: #FFFFFF; /* Kart vb. için beyaz */

  /* Tipografi */
  --body-font: 'Poppins', sans-serif;
  --h1-font-size: 2.5rem;
  --h2-font-size: 1.5rem;
  --normal-font-size: 1rem;

  /* Font Ağırlıkları */
  --font-regular: 400;
  --font-semi-bold: 600;
  --font-bold: 700;

  /* Gölgeler */
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* =========== TEMEL STİLLER =========== */
* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  background-color: var(--body-color);
  color: var(--text-color);
}

h1, h2, h3 {
  color: var(--title-color);
  font-weight: var(--font-semi-bold);
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
}

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

/* =========== YARDIMCI SINIFLAR =========== */
.section {
    padding: 4rem 0 2rem;
    scroll-margin-top: 5rem;
}

.section__title {
  font-size: var(--h2-font-size);
  text-align: center;
  margin-bottom: 2rem;
}

.container {
  max-width: 1024px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 1.5rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

/* =========== BUTONLAR =========== */
.button {
    display: inline-block;
    background-color: var(--primary-color);
    color: #fff;
    padding: 1rem 2rem;
    border-radius: .5rem;
    font-weight: var(--font-semi-bold);
    transition: .3s;
}

.button:hover {
    background-color: #E55A5A;
}

.button--primary {
    background-color: var(--primary-color);
}

/* =========== HEADER & NAV =========== */
.header {
    width: 100%;
    background-color: transparent;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    transition: .4s;
}

.nav {
    height: 3.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo, .nav__toggle {
    color: #fff;
    display: inline-flex;
}

.nav__logo {
    font-weight: var(--font-bold);
    font-size: 1.75rem;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #fff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.nav__logo:hover {
    transform: scale(1.05);
    letter-spacing: 1px;
}

.scroll-header .nav__logo {
    background: linear-gradient(135deg, var(--primary-color) 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav__toggle {
    display: none;
}

@media screen and (max-width: 767px) {
    .header {
        background-color: var(--dark-color);
    }

    .nav {
        height: 3rem;
        justify-content: center;
    }

    .nav__logo {
        display: block;
        color: #fff;
    }

    .nav__menu {
        display: none;
    }
    
    .nav__toggle {
        display: none;
    }
}

.nav__list {
    display: flex;
    row-gap: 1.5rem;
}

.nav__link {
    color: #fff;
    font-weight: var(--font-semi-bold);
    transition: .3s;
}

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

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

.nav__close {
    position: absolute;
    top: 1rem;
    right: 1.25rem;
    font-size: 1.5rem;
    cursor: pointer;
}

.show-menu {
    right: 0;
}

/* Desktop'ta hamburger menüyü gizle */
@media screen and (min-width: 768px) {
    .nav__toggle {
        display: none;
    }
    
    .nav__menu {
        position: static;
        width: auto;
        height: auto;
        padding: 0;
        box-shadow: none;
    }
}

/* Change background header */
.scroll-header {
    background-color: var(--body-color);
    box-shadow: 0 1px 4px rgba(0, 0, 0, .1);
}

.scroll-header .nav__logo,
.scroll-header .nav__link {
    color: var(--title-color);
}

/* =========== HERO =========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    z-index: -1;
}

.hero__bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero__container {
    position: relative;
    z-index: 1;
}

.hero__content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero__badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: #fff;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: var(--font-semi-bold);
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero__title {
    font-size: 2.5rem;
    line-height: 1.2;
    color: #fff;
    margin-bottom: 1.5rem;
    font-weight: var(--font-bold);
}

.hero__subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero__buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.button--secondary {
    background: transparent;
    border: 2px solid #fff;
    color: #fff;
}

.button--secondary:hover {
    background: #fff;
    color: var(--primary-color);
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.hero__stat {
    text-align: center;
}

.hero__stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: var(--font-bold);
    color: #fff;
    margin-bottom: 0.5rem;
}

.hero__stat-label {
    display: block;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
}

@media screen and (min-width: 768px) {
    .hero__title {
        font-size: 3.5rem;
    }
    
    .hero__subtitle {
        font-size: 1.25rem;
    }
}

@media screen and (min-width: 1024px) {
    .hero__title {
        font-size: 4rem;
    }
}

/* =========== SOCIAL PROOF =========== */
.social-proof {
    padding: 2rem 0;
}

.social-proof__title {
    font-size: var(--normal-font-size);
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-weight: var(--font-regular);
}

.social-proof__logos {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 2.5rem;
}

.social-proof__logos img {
    max-width: 100px;
    opacity: 0.6;
    transition: opacity .3s;
}

.social-proof__logos img:hover {
    opacity: 1;
}

/* =========== HİZMETLER =========== */
.services__container {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.service__card {
    background-color: var(--container-color);
    padding: 2rem 1.5rem;
    border-radius: .5rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform .3s;
}

.service__card:hover {
    transform: translateY(-10px);
}

.service__icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}

.service__title {
    font-size: 1.25rem;
    margin-bottom: .5rem;
}

/* =========== PORTFOLYO =========== */
.portfolio__container {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.portfolio__card {
    background-color: var(--container-color);
    border-radius: .5rem;
    overflow: hidden;
    box-shadow: var(--shadow);
    position: relative;
}

.portfolio__img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.portfolio__data {
    padding: 1.5rem;
}

.portfolio__title {
    font-size: 1.25rem;
    margin-bottom: .5rem;
}

.portfolio__description {
    margin-bottom: 1rem;
}

/* =========== SÜREÇ =========== */
.process__container {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.process__step {
    text-align: center;
    padding: 1rem;
}

.process__number {
    font-size: 2rem;
    font-weight: var(--font-bold);
    color: var(--primary-color);
    margin-bottom: .5rem;
}

.process__title {
    font-size: 1.15rem;
    margin-bottom: .5rem;
}


/* =========== TESTIMONIALS =========== */
.testimonials__container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.testimonial__card {
    background-color: var(--container-color);
    padding: 1.5rem;
    border-radius: .75rem;
    box-shadow: var(--shadow);
}

.testimonial__quote {
    font-style: italic;
    margin-bottom: 1rem;
}

.testimonial__author {
    display: flex;
    align-items: center;
    gap: .75rem;
}

.testimonial__meta {
    display: flex;
    flex-direction: column;
}

.testimonial__name {
    font-weight: var(--font-semi-bold);
}

.testimonial__role {
    font-size: .875rem;
    color: #718096;
}

/* =========== CONTACT =========== */
.contact {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 5rem 0;
}

.contact .section__title {
    color: #fff;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.contact__container {
    max-width: 900px !important;
    margin: 0 auto;
}

.contact__info {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 3rem 2rem;
    border-radius: 1.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact__list {
    display: grid;
    gap: 2rem;
}

.contact__item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.contact__item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.contact__item::before {
    content: '';
    font-size: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #E55A5A 100%);
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.contact__item:nth-child(1)::before {
    content: '📧';
}

.contact__item:nth-child(2)::before {
    content: '📱';
}

.contact__item:nth-child(3)::before {
    content: '📍';
}

.contact__item span {
    font-weight: var(--font-bold);
    color: var(--title-color);
    display: block;
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.contact__item a {
    color: var(--primary-color);
    font-weight: var(--font-semi-bold);
    transition: color 0.3s;
}

.contact__item a:hover {
    color: #E55A5A;
    text-decoration: underline;
}

.contact__item-content {
    display: flex;
    flex-direction: column;
}

/* Form stilleri (eğer form eklenecekse) */
.contact__form {
    background-color: var(--container-color);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.form__group {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form__row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.form__label {
    display: block;
    font-weight: var(--font-semi-bold);
    margin-bottom: .5rem;
}

.form__input, .form__select, .form__textarea {
    width: 100%;
    padding: .85rem 1rem;
    border: 1px solid #E2E8F0;
    border-radius: .5rem;
    outline: none;
    background: #fff;
    transition: border-color 0.3s;
}

.form__input:focus, .form__select:focus, .form__textarea:focus {
    border-color: var(--primary-color);
}

.form__textarea {
    min-height: 140px;
    resize: vertical;
}

/* =========== FOOTER =========== */
.footer {
    padding: 2rem 0;
    border-top: 1px solid #E2E8F0;
}

.footer__container {
    display: flex;
    justify-content: center;
}

/* Back to top button */
#scroll-top {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    background: var(--primary-color);
    color: #fff;
    border: 0;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    box-shadow: var(--shadow);
    cursor: pointer;
    display: none;
}

#scroll-top.show {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* =========== RESPONSIVE =========== */
@media screen and (min-width: 768px) {
    .nav__list {
        flex-direction: row;
        column-gap: 2rem;
    }

    .contact__container {
        grid-template-columns: 1.2fr .8fr;
        align-items: start;
    }

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

    .hero__container {
        max-width: 900px;
    }
}

@media screen and (min-width: 1024px) {
    .container {
        max-width: 1120px;
    }

    :root {
        --h1-font-size: 3rem;
        --h2-font-size: 1.75rem;
    }
}