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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 50%, #fecfef 100%);
    position: relative;
    color: #4a1c1c;
}

/* ===== UÇAN KALPLER ===== */
.hearts-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.floating-heart {
    position: absolute;
    bottom: -50px;
    font-size: 24px;
    animation: floatUp linear forwards;
    opacity: 0.7;
    will-change: transform, opacity;
}

@keyframes floatUp {
    0% {
        transform: translateY(0) rotate(0deg) scale(0.5);
        opacity: 0;
    }
    10% {
        opacity: 0.8;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-110vh) rotate(360deg) scale(1);
        opacity: 0;
    }
}

/* ===== ANA TASARIM ===== */
.main-wrapper {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.hidden {
    display: none !important;
}

/* ===== GİRİŞ EKRANI ===== */
.intro-screen {
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
    position: relative;
    width: 100%;
    max-width: 580px;
}

/* Dekoratif Arka Plan Kalpleri */
.bg-heart {
    position: fixed;
    pointer-events: none;
    opacity: 0.12;
    filter: blur(2px);
    z-index: -1;
    font-size: 10rem;
    animation: bgHeartFloat 8s ease-in-out infinite;
}

.bg-heart-1 { top: 5%; left: 5%; animation-delay: 0s; font-size: 12rem; }
.bg-heart-2 { top: 15%; right: 8%; animation-delay: 2s; font-size: 9rem; }
.bg-heart-3 { bottom: 20%; left: 10%; animation-delay: 4s; font-size: 11rem; }
.bg-heart-4 { bottom: 10%; right: 5%; animation-delay: 1.5s; font-size: 8rem; }
.bg-heart-5 { top: 40%; left: 50%; animation-delay: 3s; font-size: 14rem; opacity: 0.06; }

@keyframes bgHeartFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-25px) rotate(5deg); }
}

.intro-content {
    background: rgba(255, 255, 255, 0.92);
    padding: 55px 45px 45px;
    border-radius: 32px;
    box-shadow:
        0 25px 70px rgba(255, 105, 180, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.6),
        inset 0 0 60px rgba(255, 200, 220, 0.15);
    backdrop-filter: blur(16px);
    max-width: 520px;
    width: 92vw;
    position: relative;
    overflow: hidden;
}

.intro-content::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(255,150,180,0.25) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.intro-content::after {
    content: '';
    position: absolute;
    bottom: -40px;
    left: -40px;
    width: 140px;
    height: 140px;
    background: radial-gradient(circle, rgba(255,120,160,0.2) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, #fff0f5, #ffe8f0);
    color: #c13a6a;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 7px 18px;
    border-radius: 50px;
    margin-bottom: 22px;
    border: 1px solid #ffd0e0;
    animation: badgePulse 2.5s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 107, 157, 0.2); }
    50% { box-shadow: 0 0 0 10px rgba(255, 107, 157, 0); }
}

.logo-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 6px;
}

.logo-heart {
    font-size: 3.8rem;
    display: inline-block;
    animation: heartBeat 1.3s ease-in-out infinite;
    margin-bottom: 5px;
    filter: drop-shadow(0 4px 12px rgba(255, 80, 120, 0.35));
}

.logo {
    font-size: 3.2rem;
    font-weight: 900;
    background: linear-gradient(135deg, #e83e5c, #ff6b81, #ff85a2, #ff6b81);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1.5px;
    animation: gradientShift 4s ease infinite;
    line-height: 1.1;
    margin-bottom: 8px;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.tagline {
    font-size: 1.2rem;
    color: #9e6b6b;
    margin-bottom: 28px;
    line-height: 1.6;
}

.tagline strong {
    color: #c13a5a;
    font-weight: 700;
}

/* Stats Row */
.stats-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 60px;
}

.stat-num {
    font-size: 1.9rem;
    font-weight: 900;
    background: linear-gradient(135deg, #ff6b6b, #ff8e8e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label {
    font-size: 0.75rem;
    color: #b08080;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-top: 3px;
}

.stat-divider {
    width: 1px;
    height: 32px;
    background: linear-gradient(to bottom, transparent, #ffd0d0, transparent);
}

/* Start Button */
.btn-start {
    background: linear-gradient(135deg, #ff4757, #ff6b81, #ff8fab);
    background-size: 200% 200%;
    color: white;
    border: none;
    padding: 18px 55px;
    font-size: 1.15rem;
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 10px 35px rgba(255, 71, 87, 0.4);
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    animation: btnGlow 2.5s ease-in-out infinite;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

@keyframes btnGlow {
    0%, 100% { box-shadow: 0 10px 35px rgba(255, 71, 87, 0.4); }
    50% { box-shadow: 0 10px 45px rgba(255, 71, 87, 0.6), 0 0 20px rgba(255, 107, 129, 0.3); }
}

.btn-start::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
    transition: left 0.6s ease;
}

.btn-start:hover {
    transform: translateY(-3px) scale(1.04);
    background-position: 100% 0;
}

.btn-start:hover::before {
    left: 100%;
}

.btn-start:active {
    transform: translateY(0) scale(0.97);
}

.btn-arrow {
    display: inline-block;
    transition: transform 0.3s ease;
}

.btn-start:hover .btn-arrow {
    transform: translateX(4px);
}

.trust-text {
    font-size: 0.8rem;
    color: #c09090;
    margin-top: 16px;
    letter-spacing: 0.5px;
}

/* Features Row */
.features-row {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-top: 28px;
    padding-top: 22px;
    border-top: 1px solid #ffe8e8;
}

.feature-mini {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    font-size: 0.78rem;
    color: #a07070;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 14px;
    background: rgba(255, 245, 247, 0.6);
    transition: all 0.25s ease;
    min-width: 80px;
}

.feature-mini:hover {
    background: rgba(255, 230, 237, 0.8);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 1.4rem;
}

/* ===== ANKET EKRANI ===== */
.survey-screen {
    width: 100%;
    max-width: 600px;
    animation: fadeInUp 0.6s ease-out;
}

.survey-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 25px;
    padding: 35px 30px;
    box-shadow: 0 20px 60px rgba(255, 105, 180, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 6px;
    background: #ffe0e0;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 15px;
}

.progress-fill {
    height: 100%;
    width: 10%;
    background: linear-gradient(90deg, #ff6b6b, #ff8e8e);
    border-radius: 10px;
    transition: width 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.step-counter {
    text-align: center;
    font-size: 0.85rem;
    color: #c48a8a;
    font-weight: 600;
    margin-bottom: 25px;
    letter-spacing: 1px;
}

/* ===== ADIMLAR ===== */
.step {
    display: none;
    animation: fadeInUp 0.4s ease-out;
}

.step.active {
    display: block;
}

.step-icon {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 15px;
    animation: gentleBounce 2s ease-in-out infinite;
}

@keyframes gentleBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.step h2 {
    text-align: center;
    font-size: 1.6rem;
    margin-bottom: 8px;
    color: #5a2a2a;
    font-weight: 700;
}

.step-desc {
    text-align: center;
    color: #a07070;
    font-size: 0.95rem;
    margin-bottom: 25px;
}

/* ===== INPUT ALANLARI ===== */
.input-group {
    position: relative;
    margin-top: 10px;
}

.input-group input,
.input-group textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid #ffd5d5;
    border-radius: 15px;
    font-size: 1rem;
    font-family: inherit;
    background: #fff8f8;
    color: #4a1c1c;
    transition: all 0.3s ease;
    outline: none;
}

.input-group input:focus,
.input-group textarea:focus {
    border-color: #ff6b6b;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(255, 107, 107, 0.1);
}

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

.input-hint {
    display: block;
    text-align: right;
    font-size: 0.8rem;
    color: #c9a0a0;
    margin-top: 6px;
}

/* ===== SEÇENEK KARTLARI ===== */
.option-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
    margin-top: 5px;
}

.option-group.single-column {
    grid-template-columns: 1fr;
}

.option-group.multi {
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
}

.option-card {
    cursor: pointer;
    position: relative;
}

.option-card input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.option-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 18px 12px;
    background: #fff8f8;
    border: 2px solid #ffd5d5;
    border-radius: 16px;
    transition: all 0.25s ease;
    text-align: center;
}

.option-card.wide .option-content {
    flex-direction: row;
    justify-content: center;
    gap: 12px;
    padding: 16px 20px;
}

.option-card.chip .option-content {
    padding: 12px 8px;
}

.option-emoji {
    font-size: 1.8rem;
}

.option-card.wide .option-emoji {
    font-size: 1.5rem;
}

.option-card.chip .option-emoji {
    font-size: 1.3rem;
}

.option-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: #7a4a4a;
}

.option-card.wide .option-text {
    font-size: 1rem;
}

/* Seçili durum */
.option-card input:checked + .option-content {
    background: linear-gradient(135deg, #ffe0e0, #fff0f0);
    border-color: #ff6b6b;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.2);
    transform: scale(1.03);
}

.option-card input:checked + .option-content .option-text {
    color: #c13a3a;
}

/* Hover */
.option-card:hover .option-content {
    border-color: #ffb3b3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.1);
}

/* ===== NAVİGASYON BUTONLARI ===== */
.nav-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    gap: 12px;
}

.btn-prev,
.btn-next,
.btn-submit {
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    border: none;
    transition: all 0.25s ease;
    font-family: inherit;
}

.btn-prev {
    background: #f5e6e6;
    color: #8a5a5a;
}

.btn-prev:hover {
    background: #ead5d5;
    transform: translateY(-2px);
}

.btn-next {
    margin-left: auto;
    background: linear-gradient(135deg, #ff6b6b, #ff8e8e);
    color: white;
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.35);
}

.btn-next:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.45);
}

.btn-next:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-submit {
    margin-left: auto;
    background: linear-gradient(135deg, #ff4757, #ff6b81);
    color: white;
    box-shadow: 0 6px 20px rgba(255, 71, 87, 0.4);
    font-size: 1.05rem;
    padding: 14px 32px;
}

.btn-submit:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 8px 25px rgba(255, 71, 87, 0.5);
}

/* ===== SONUÇ EKRANI ===== */
.result-screen {
    width: 100%;
    max-width: 550px;
    animation: fadeInUp 0.6s ease-out;
}

.result-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 25px;
    padding: 50px 35px;
    box-shadow: 0 20px 60px rgba(255, 105, 180, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    text-align: center;
}

.success-animation {
    margin-bottom: 20px;
}

.heart-pulse {
    font-size: 4.5rem;
    display: inline-block;
    animation: heartBeat 1.2s ease-in-out infinite;
}

@keyframes heartBeat {
    0%, 100% { transform: scale(1); }
    15% { transform: scale(1.3); }
    30% { transform: scale(1); }
    45% { transform: scale(1.15); }
}

.result-card h2 {
    font-size: 1.7rem;
    color: #5a2a2a;
    margin-bottom: 10px;
}

.result-card > p {
    color: #a07070;
    margin-bottom: 25px;
    font-size: 1rem;
}

.profile-summary {
    background: linear-gradient(135deg, #fff5f5, #fff0f5);
    border-radius: 18px;
    padding: 25px;
    margin: 25px 0;
    text-align: left;
    border: 1px solid #ffd5e0;
}

.profile-summary-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #ffe0e8;
    font-size: 0.95rem;
}

.profile-summary-item:last-child {
    border-bottom: none;
}

.profile-summary-label {
    font-weight: 600;
    color: #8a5a5a;
}

.profile-summary-value {
    color: #c13a3a;
    font-weight: 500;
}

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

/* Shake hata animasyonu */
.shake {
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-5px); }
    80% { transform: translateX(5px); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 520px) {
    .intro-content {
        padding: 40px 22px 32px;
        border-radius: 24px;
    }

    .hero-badge {
        font-size: 0.68rem;
        padding: 6px 14px;
        margin-bottom: 16px;
    }

    .logo-heart {
        font-size: 3rem;
    }

    .logo {
        font-size: 2.4rem;
    }

    .tagline {
        font-size: 1.05rem;
        margin-bottom: 22px;
    }

    .stats-row {
        margin-bottom: 24px;
    }

    .stat-num {
        font-size: 1.6rem;
    }

    .btn-start {
        padding: 16px 42px;
        font-size: 1.05rem;
        width: 100%;
        justify-content: center;
    }

    .features-row {
        gap: 8px;
        margin-top: 22px;
        padding-top: 18px;
    }

    .feature-mini {
        font-size: 0.7rem;
        min-width: auto;
        padding: 6px 8px;
    }

    .feature-icon {
        font-size: 1.2rem;
    }

    .survey-card {
        padding: 25px 20px;
    }

    .step h2 {
        font-size: 1.3rem;
    }

    .option-group {
        grid-template-columns: 1fr 1fr;
    }

    .option-group.single-column {
        grid-template-columns: 1fr;
    }

    .option-group.multi {
        grid-template-columns: 1fr 1fr;
    }

    .option-card.wide .option-content {
        padding: 14px 15px;
    }

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

    .btn-next,
    .btn-submit {
        margin-left: 0;
        width: 100%;
    }

    .btn-prev {
        width: 100%;
        order: 2;
    }
}

@media (max-width: 360px) {
    .option-group {
        grid-template-columns: 1fr;
    }

    .features-row {
        flex-direction: column;
        align-items: center;
        gap: 6px;
    }

    .feature-mini {
        flex-direction: row;
        gap: 6px;
        width: 100%;
        justify-content: center;
    }
}