/* ============================================
   SEDAT SAHIN - BIYO ENERJI UZMANI
   Modern, Minimal, Healing & Wellness
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700&family=Montserrat:wght@300;400;500;600;700&display=swap');

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #0d5c4d;          /* Derin Zumrut Yesili */
    --color-primary-light: #1a7a68;
    --color-primary-dark: #094239;
    --color-secondary: #c9a227;         /* Altin/Bronz */
    --color-secondary-light: #dbb84d;
    --color-secondary-dark: #a68620;
    --color-bg: #fdfbf7;                /* Kirik Beyaz/Krem */
    --color-bg-alt: #f5f1e8;
    --color-text: #2d3436;
    --color-text-light: #636e72;
    --color-white: #ffffff;

    /* Typography */
    --font-heading: 'Cinzel', serif;
    --font-body: 'Montserrat', sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;

    /* Transitions */
    --transition: all 0.3s ease;
    --transition-slow: all 0.6s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.3;
    color: var(--color-primary-dark);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
    font-size: 1.05rem;
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

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

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 50px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-transform: uppercase;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(201, 162, 39, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(201, 162, 39, 0.4);
}

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-gold {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
    color: var(--color-white);
}

/* Section Styling */
.section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
    border-radius: 2px;
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(253, 251, 247, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.08);
    padding: 15px 0;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-primary-dark);
}

.logo span {
    color: var(--color-secondary);
    font-weight: 400;
    font-size: 0.9rem;
    display: block;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
}

.nav-menu a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-secondary);
    transition: var(--transition);
}

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

.nav-cta {
    padding: 12px 24px !important;
    font-size: 0.85rem !important;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    width: 28px;
    height: 2px;
    background: var(--color-primary-dark);
    transition: var(--transition);
}

/* ============================================
   HERO SECTION - AURORA EFFECT
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

/* Aurora Background Effect */
.aurora {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.aurora::before,
.aurora::after {
    content: '';
    position: absolute;
    width: 150%;
    height: 150%;
    animation: aurora 15s ease-in-out infinite;
}

.aurora::before {
    background: radial-gradient(ellipse at 20% 50%,
        rgba(13, 92, 77, 0.15) 0%,
        transparent 50%);
    top: -25%;
    left: -25%;
}

.aurora::after {
    background: radial-gradient(ellipse at 80% 50%,
        rgba(201, 162, 39, 0.1) 0%,
        transparent 50%);
    top: -25%;
    left: -25%;
    animation-delay: -7.5s;
}

@keyframes aurora {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(5%, 5%) rotate(5deg);
    }
    66% {
        transform: translate(-5%, 5%) rotate(-5deg);
    }
}

/* Floating Particles */
.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--color-secondary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; }
.particle:nth-child(4) { left: 40%; animation-delay: 6s; }
.particle:nth-child(5) { left: 50%; animation-delay: 8s; }
.particle:nth-child(6) { left: 60%; animation-delay: 10s; }
.particle:nth-child(7) { left: 70%; animation-delay: 12s; }
.particle:nth-child(8) { left: 80%; animation-delay: 14s; }
.particle:nth-child(9) { left: 90%; animation-delay: 16s; }

@keyframes float {
    0%, 100% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100vh) scale(1);
        opacity: 0;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero h1 {
    margin-bottom: 25px;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: 40px;
    max-width: 600px;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.4s both;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background: var(--color-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-signature {
    font-family: 'Brush Script MT', cursive;
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 30px;
    opacity: 0.8;
}

.about-text h3 {
    margin-bottom: 20px;
    color: var(--color-primary);
}

.about-text p {
    margin-bottom: 20px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.feature-item {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: var(--color-bg);
    border-radius: 15px;
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 40px rgba(13, 92, 77, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-white);
    fill: none;
    stroke-width: 2;
}

.feature-content h4 {
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.feature-content p {
    margin: 0;
    font-size: 0.95rem;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    background: var(--color-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--color-white);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(13, 92, 77, 0.12);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--color-bg), var(--color-bg-alt));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
}

.service-icon svg {
    width: 36px;
    height: 36px;
    stroke: var(--color-primary);
    fill: none;
    stroke-width: 1.5;
    transition: var(--transition);
}

.service-card:hover .service-icon svg {
    stroke: var(--color-white);
}

.service-card h4 {
    margin-bottom: 15px;
    color: var(--color-primary-dark);
}

.service-card p {
    font-size: 0.95rem;
    margin: 0;
}

/* ============================================
   PROCESS TIMELINE
   ============================================ */
.process {
    background: var(--color-white);
}

.timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 75px; /* 40px padding + 35px (yaricap) = yuvarlak merkezi */
    left: 10%;
    right: 10%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.timeline-item {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 1;
}

.timeline-number {
    width: 70px;
    height: 70px;
    background: var(--color-white);
    border: 3px solid var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    transition: var(--transition);
    position: relative;
    z-index: 2;
}

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

.timeline-item h4 {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.timeline-item p {
    font-size: 0.9rem;
    max-width: 200px;
    margin: 0 auto;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq {
    background: var(--color-bg);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border-radius: 15px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.03);
}

.faq-question {
    width: 100%;
    padding: 25px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    text-align: left;
    transition: var(--transition);
}

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

.faq-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    background: var(--color-primary);
    transform: rotate(180deg);
}

.faq-icon svg {
    width: 16px;
    height: 16px;
    stroke: var(--color-primary);
    transition: var(--transition);
}

.faq-item.active .faq-icon svg {
    stroke: var(--color-white);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-answer-content {
    padding: 0 30px 25px;
    color: var(--color-text-light);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    background: var(--color-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info h3 {
    margin-bottom: 30px;
    color: var(--color-primary);
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--color-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--color-primary);
    fill: none;
}

.contact-item h4 {
    font-size: 1rem;
    margin-bottom: 5px;
}

.contact-item p {
    margin: 0;
    font-size: 0.95rem;
}

.contact-form h3 {
    margin-bottom: 30px;
    color: var(--color-primary);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--color-text);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--color-bg-alt);
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    transition: var(--transition);
    background: var(--color-bg);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-white);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.3rem;
}

.footer-logo span {
    color: var(--color-secondary);
    font-size: 0.85rem;
    display: block;
    letter-spacing: 2px;
}

.footer-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--color-secondary);
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--color-secondary);
    transform: translateY(-3px);
}

.footer-social svg {
    width: 20px;
    height: 20px;
    fill: var(--color-white);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .timeline {
        flex-direction: column;
        gap: 40px;
        padding: 20px 0;
    }

    .timeline::before {
        top: 35px;
        bottom: 35px;
        left: 35px;
        right: auto;
        width: 3px;
        height: auto;
    }

    .timeline-item {
        text-align: left;
        padding-left: 100px;
        position: relative;
    }

    .timeline-number {
        position: absolute;
        left: 0;
        top: 0;
        margin: 0;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 70px 0;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        justify-content: center;
        gap: 30px;
        padding: 40px;
        box-shadow: -10px 0 50px rgba(0, 0, 0, 0.1);
        transition: var(--transition);
    }

    .nav-menu.active {
        right: 0;
    }

    .menu-toggle {
        display: flex;
        z-index: 1001;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .service-card {
        padding: 30px 20px;
    }

    .faq-question {
        padding: 20px;
        font-size: 0.95rem;
    }

    .whatsapp-btn {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }
}