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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #121212;
    --bg-tertiary: #181818;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.85);
    --text-tertiary: rgba(255, 255, 255, 0.6);
    --text-muted: rgba(255, 255, 255, 0.4);
    --accent-color: #ffffff;
    --accent-secondary: #e0e0e0;
    --border-color: rgba(255, 255, 255, 0.1);
    --card-bg: rgba(255, 255, 255, 0.05);
    --hover-bg: rgba(255, 255, 255, 0.08);
    --shadow-color: rgba(0, 0, 0, 0.5);
    --shadow-dark-hover: rgba(255, 255, 255, 0.1);
    --highlight: #ffffff;
    --accent-rgba: 255, 255, 255;
    --divider-color: rgba(255,255,255,0.12);
    --sidebar-width: 270px;
}

body.light-theme {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f8f8;
    --bg-tertiary: #eeeeee;
    --text-primary: #000000;
    --text-secondary: rgba(0, 0, 0, 0.8);
    --text-tertiary: rgba(0, 0, 0, 0.6);
    --text-muted: rgba(0, 0, 0, 0.4);
    --accent-color: #000000;
    --accent-secondary: #333333;
    --border-color: rgba(0, 0, 0, 0.1);
    --card-bg: rgba(0, 0, 0, 0.03);
    --hover-bg: rgba(0, 0, 0, 0.06);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --shadow-dark-hover: rgba(0, 0, 0, 0.15);
    --highlight: #000000;
    --accent-rgba: 0, 0, 0;
    --divider-color: rgba(0,0,0,0.12);
}

html {
    font-size: 16px;
    overflow-x: hidden;
}

body {
    font-family: 'Outfit', 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
    /* ZOOM KALDIRILDI - responsive sorunların kaynağı */
}

/* ===== TOP CONTROLS ===== */
.top-controls {
    position: fixed;
    top: 18px;
    right: 20px;
    z-index: 2100;
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-toggle { display: inline-block; }

.primary-button {
    font-family: 'Outfit', sans-serif;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08rem;
    border: 1px solid var(--border-color);
    padding: 0.5rem 1.1rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 531.28 200'%3E%3Cdefs%3E%3Cstyle%3E .shape %7B fill: %23ffffff; %7D %3C/style%3E%3C/defs%3E%3Cg%3E%3Cpolygon class='shape' points='415.81 200 0 200 115.47 0 531.28 0 415.81 200' /%3E%3C/g%3E%3C/svg%3E");
    background-color: var(--bg-secondary);
    background-size: 200%;
    background-position: 200%;
    background-repeat: no-repeat;
    transition: 0.3s ease-in-out;
    position: relative;
    z-index: 1;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

body.light-theme .primary-button {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 531.28 200'%3E%3Cdefs%3E%3Cstyle%3E .shape %7B fill: %23000000; %7D %3C/style%3E%3C/defs%3E%3Cg%3E%3Cpolygon class='shape' points='415.81 200 0 200 115.47 0 531.28 0 415.81 200' /%3E%3C/g%3E%3C/svg%3E");
    background-color: #ffffff;
    color: #000000;
    border-color: #000000;
}

body:not(.light-theme) .primary-button {
    background-color: #000000;
    color: #ffffff;
    border-color: #ffffff;
}

.primary-button:hover {
    color: var(--accent-color);
    background-position: 40%;
    background-color: var(--bg-primary);
}

.primary-button:before {
    content: "";
    position: absolute;
    background-color: var(--accent-color);
    width: 0.2rem;
    height: 0.2rem;
    top: -1px;
    left: -1px;
    transition: background-color 0.15s ease-in-out;
}

.primary-button:after {
    content: "";
    position: absolute;
    background-color: var(--accent-color);
    width: 0.3rem;
    height: 0.3rem;
    bottom: -1px;
    right: -1px;
    transition: background-color 0.15s ease-in-out;
}

.button-borders {
    position: relative;
    width: fit-content;
    height: fit-content;
}

.button-borders:before {
    content: "";
    position: absolute;
    width: calc(100% + 0.5em);
    height: 50%;
    left: -0.3em;
    top: -0.3em;
    border: 1px solid var(--accent-color);
    border-bottom: 0px;
    opacity: 0.5;
}

.button-borders:after {
    content: "";
    position: absolute;
    width: calc(100% + 0.5em);
    height: 50%;
    left: -0.3em;
    bottom: -0.3em;
    border: 1px solid var(--accent-color);
    border-top: 0px;
    opacity: 0.5;
    z-index: 0;
}

/* ===== DİL SEÇİCİ ===== */
.language-toggle { display: inline-block; }

.language-select {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0;
    padding: 9px 36px 9px 14px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
    font-size: 11px;
    font-weight: 800;
    color: var(--text-primary);
    appearance: none;
    -webkit-appearance: none;
    background-repeat: no-repeat;
    background-position: right 10px center;
    text-transform: uppercase;
    letter-spacing: 1px;
    outline: none;
    white-space: nowrap;
}

body.light-theme .language-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

body:not(.light-theme) .language-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

.language-select:hover {
    background-color: var(--accent-color);
    color: var(--bg-primary);
    border-color: var(--accent-color);
}

.language-select option {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    padding: 12px;
}

body.light-theme .language-select option { background-color: #ffffff; color: #000000; }
body:not(.light-theme) .language-select option { background-color: #121212; color: #ffffff; }

/* ===== MOBİL MENÜ BUTONU ===== */
.mobile-menu-btn {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 1100;
    width: 44px;
    height: 44px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text-primary);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.mobile-menu-btn:hover {
    background: var(--accent-color);
    color: var(--bg-primary);
    border-color: var(--accent-color);
}

/* ===== SIDEBAR ===== */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-secondary);
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: none;
}

.sidebar::-webkit-scrollbar { display: none; }

/* ===== PROFİL BÖLÜMÜ ===== */
.profile-section {
    padding: 50px 16px 30px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-bottom: 1px solid var(--divider-color);
    flex-shrink: 0;
}

.profile-img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px solid var(--bg-primary);
    margin: 0 auto 16px;
    box-shadow: 0 0 0 2px var(--border-color), 0 10px 30px var(--shadow-color);
    object-fit: cover;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
}

.profile-img:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 0 2px var(--accent-color), 0 16px 35px var(--shadow-dark-hover);
}

.profile-upload { position: relative; display: inline-block; }

.profile-upload-btn {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 32px;
    height: 32px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: 2px solid var(--bg-secondary);
    font-size: 14px;
    transition: all 0.3s ease;
}

.profile-upload-btn:hover { background: var(--accent-secondary); transform: scale(1.1); }
#profileImageInput { display: none; }

.profile-name {
    font-family: 'Outfit', sans-serif;
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

.profile-title {
    font-size: 12px;
    color: var(--text-tertiary);
    font-weight: 500;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.sidebar-socials {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 4px;
}

.sidebar-socials a {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s ease;
}

.sidebar-socials a:hover {
    background: var(--accent-color);
    color: var(--bg-primary);
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

/* ===== NAV MENÜ ===== */
.nav-menu {
    flex: 1;
    padding: 16px 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow-y: auto;
    scrollbar-width: none;
}

.nav-menu::-webkit-scrollbar { display: none; }

.nav-item {
    padding: 12px 18px;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 12px;
    font-size: 13px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
}

.nav-item i,
.nav-item svg {
    width: 17px;
    height: 17px;
    stroke-width: 2px;
    flex-shrink: 0;
}

.nav-item:hover {
    color: var(--text-primary);
    background: var(--hover-bg);
}

.nav-item.active {
    color: var(--bg-primary);
    background: var(--accent-color);
    box-shadow: 0 8px 18px rgba(var(--accent-rgba), 0.18);
}

/* ===== SIDEBAR FOOTER ===== */
.sidebar-footer {
    padding: 20px 16px;
    border-top: 1px solid var(--divider-color);
    text-align: center;
    flex-shrink: 0;
    background: var(--bg-secondary);
}

.sidebar-footer p {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
    font-weight: 500;
}

/* ===== ANA İÇERİK ===== */
.main-content {
    margin-left: var(--sidebar-width);
    background: var(--bg-primary);
    min-height: 100vh;
    transition: margin-left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    width: calc(100% - var(--sidebar-width));
}

.section {
    padding: 70px 60px;
    min-height: 100vh;
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.section.active { display: block; }

.section-header { margin-bottom: 50px; }

.section-label {
    font-size: 12px;
    letter-spacing: 3px;
    color: var(--accent-color);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-title {
    font-family: 'Outfit', sans-serif;
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-tertiary);
    line-height: 1.8;
    max-width: 660px;
}

/* ===== ABOUT / HAKKIMDA ===== */
.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    align-items: stretch;
}

.about-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 22px;
    padding: 36px;
    position: relative;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    transform-style: preserve-3d;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.about-card::before,
.custom-profile-card::before,
.stat-card::before,
.timeline-item::before,
.education-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(transparent, var(--accent-color), var(--accent-color), transparent 40%);
    animation: rotate-border 3s linear infinite;
    z-index: 0;
    opacity: 0.5;
    transition: opacity 0.3s;
    filter: blur(5px);
}

.about-card:hover::before,
.custom-profile-card:hover::before,
.stat-card:hover::before,
.timeline-item:hover::before,
.education-card:hover::before {
    opacity: 1;
    animation-duration: 1.5s;
}

@keyframes rotate-border {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.about-card > *,
.custom-profile-card > *,
.stat-card > *,
.timeline-item > *,
.education-card > * {
    position: relative;
    z-index: 1;
}

.about-card::after,
.custom-profile-card::after,
.stat-card::after,
.timeline-item::after,
.education-card::after {
    content: '';
    position: absolute;
    inset: 2px;
    background: var(--bg-tertiary);
    border-radius: 20px;
    z-index: 0;
}

.stat-card::after { border-radius: 13px; }
.education-card::after { border-radius: 17px; }
.timeline-item::after { border-radius: 17px; }

.about-card:hover,
.custom-profile-card:hover,
.timeline-item:hover,
.education-card:hover {
    transform: rotateX(2deg) rotateY(-2deg) translateY(-6px);
    box-shadow: 0 24px 50px rgba(var(--accent-rgba), 0.18);
    border-color: var(--accent-color);
}

.about-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

.about-text b {
    color: var(--accent-color);
    font-weight: 800;
    background: rgba(var(--accent-rgba), 0.12);
    padding: 1px 6px;
    border-radius: 5px;
}

.about-stats { display: grid; gap: 20px; }

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 22px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.education-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 28px;
    border-radius: 18px;
    transition: all 0.3s;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.stat-card:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-color);
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(var(--accent-rgba), 0.1);
}

.stat-number { font-size: 28px; font-weight: 700; color: var(--accent-color); margin-bottom: 6px; }
.stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

.social-links { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }

.social-icon {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s;
    font-size: 17px;
}

.social-icon:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--bg-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow-dark-hover);
}

/* ===== TİMELİNE ===== */
.timeline { position: relative; padding-left: 46px; }

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-color) 0%, var(--shadow-dark-hover) 100%);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding: 28px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -50px;
    top: 38px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-color);
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 0 3px var(--shadow-dark-hover);
    z-index: 2;
}

.timeline-item:hover {
    background: var(--hover-bg);
    border-color: var(--shadow-dark-hover);
    transform: translateX(8px);
}

.timeline-date {
    display: inline-block;
    padding: 5px 14px;
    background: var(--shadow-dark-hover);
    color: var(--accent-color);
    border-radius: 18px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.timeline-title { font-size: 21px; font-weight: 600; margin-bottom: 6px; }
.timeline-company { font-size: 15px; color: var(--accent-color); margin-bottom: 12px; }
.timeline-desc { color: var(--text-secondary); line-height: 1.7; }

/* ===== YETENEKLERİM ===== */
.skills-container { display: grid; gap: 36px; }

.skill-category {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 36px;
    transition: all 0.3s;
}

.skill-category:hover {
    border-color: var(--shadow-dark-hover);
    background: var(--hover-bg);
    transform: translateY(-4px);
}

.skill-category-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 26px;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.skill-category-icon { font-size: 24px; }

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
}

.skill-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 11px;
    padding: 22px 16px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.skill-item::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--accent-secondary) 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.skill-item:hover::before { transform: scaleX(1); }

.skill-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(var(--accent-rgba), 0.12);
    background: var(--bg-tertiary);
}

.skill-icon {
    width: 36px;
    height: 36px;
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 28px;
}

.skill-icon img { width: 100%; height: 100%; object-fit: contain; }
.skill-item:hover .skill-icon { transform: scale(1.1); }
.skill-name { font-size: 14px; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.skill-level { font-size: 11px; color: var(--accent-color); font-weight: 500; text-transform: uppercase; letter-spacing: 1px; }

/* ===== EĞİTİM ===== */
.education-grid { display: grid; gap: 26px; }

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

.education-degree { font-size: 21px; font-weight: 600; margin-bottom: 10px; }
.education-school { font-size: 16px; color: var(--accent-color); margin-bottom: 8px; }
.education-date { font-size: 13px; color: var(--text-muted); }

/* ===== HOBİLERİM BENTO ===== */
.hobbies-bento {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(130px, auto);
    gap: 14px;
}

.hobby-bento-card {
    background: rgba(var(--accent-rgba), 0.03);
    border: 1px solid rgba(var(--accent-rgba), 0.08);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 22px;
    position: relative;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.2, 1, 0.2, 1);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.hobby-bento-card:hover {
    transform: translateY(-6px) scale(1.02);
    background: rgba(var(--accent-rgba), 0.06);
    border-color: rgba(var(--accent-rgba), 0.15);
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.2);
}

.hobby-bento-featured { grid-column: span 2; grid-row: span 2; min-height: 280px; background: linear-gradient(135deg, rgba(var(--accent-rgba), 0.05), rgba(var(--accent-rgba), 0.02)); }
.hobby-bento-medium { grid-column: span 2; min-height: 140px; }
.hobby-bento-small { grid-column: span 1; }
.hobby-bento-icon { font-size: 36px; margin-bottom: 12px; transition: transform 0.6s cubic-bezier(0.2,1,0.2,1); }
.hobby-bento-featured .hobby-bento-icon { font-size: 52px; }
.hobby-bento-card:hover .hobby-bento-icon { transform: translateY(-8px) scale(1.1); }
.hobby-bento-name { font-size: 16px; font-weight: 700; color: var(--text-primary); letter-spacing: -0.02em; margin-bottom: 3px; }
.hobby-bento-featured .hobby-bento-name { font-size: 24px; }
.hobby-bento-desc { font-size: 13px; color: var(--text-secondary); opacity: 0.8; line-height: 1.4; }
.hobby-bento-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 14px; }
.hobby-tag { background: rgba(var(--accent-rgba), 0.05); color: var(--accent-color); padding: 5px 12px; border-radius: 100px; font-size: 11px; font-weight: 600; border: 1px solid rgba(var(--accent-rgba), 0.1); transition: all 0.3s ease; }
.hobby-tag:hover { background: var(--accent-color); color: var(--bg-primary); }

/* ===== SERTİFİKALAR ===== */
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.certificate-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 32px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.certificate-card::after {
    content: '🏆';
    position: absolute;
    bottom: -20px;
    right: -20px;
    font-size: 90px;
    opacity: 0.05;
}

.certificate-card:hover {
    background: var(--hover-bg);
    border-color: var(--shadow-dark-hover);
    transform: translateY(-4px);
}

.certificate-name { font-family: 'Outfit', sans-serif; font-size: 18px; font-weight: 700; margin-bottom: 10px; position: relative; z-index: 1; }
.certificate-issuer { font-size: 14px; color: var(--accent-color); margin-bottom: 6px; }
.certificate-date { font-size: 12px; color: var(--text-muted); }

/* ===== PROJELER ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 26px;
}

.project-card {
    background: var(--card-bg);
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(var(--accent-rgba), 0.12);
    border-color: var(--accent-color);
}

.project-image img { width: 100%; height: 180px; object-fit: cover; display: block; }
.project-content { padding: 26px; }
.project-title { font-family: 'Outfit', sans-serif; font-size: 20px; font-weight: 700; margin-bottom: 8px; color: var(--text-primary); }
.project-description { font-size: 13px; color: var(--text-tertiary); line-height: 1.7; margin-bottom: 16px; }
.project-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { background: var(--shadow-dark-hover); color: var(--accent-color); padding: 4px 10px; border-radius: 12px; font-size: 11px; font-weight: 500; letter-spacing: 0.5px; }

/* ===== İLETİŞİM ===== */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
}

.contact-info-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 36px;
}

.contact-info-title {
    font-family: 'Outfit', sans-serif;
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 26px;
    color: var(--accent-color);
}

.contact-info-item {
    margin-bottom: 22px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.contact-icon {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border-radius: 11px;
    color: var(--accent-color);
    font-size: 18px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.contact-info-item:hover .contact-icon {
    background: var(--accent-color);
    color: var(--bg-primary);
}

.contact-info-content { flex: 1; }
.contact-info-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 3px; }
.contact-info-value { font-size: 15px; font-weight: 600; color: var(--text-primary); }
.contact-info-value a { color: inherit; text-decoration: none; transition: color 0.3s ease; }
.contact-info-value a:hover { color: var(--accent-color); }

.contact-form {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 36px;
    border-radius: 22px;
    backdrop-filter: blur(10px);
}

.form-title {
    font-family: 'Outfit', sans-serif;
    font-size: 22px;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: 22px;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.form-body { display: flex; flex-direction: column; gap: 14px; }
.form-group { position: relative; }

.form-input,
.form-textarea {
    width: 100%;
    background: rgba(var(--accent-rgba), 0.03);
    border: 1px solid var(--border-color);
    padding: 14px 18px;
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
    font-size: 14px;
    border-radius: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

.form-input:focus,
.form-textarea:focus {
    background: rgba(var(--accent-rgba), 0.08);
    border-color: var(--accent-color);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.form-textarea { min-height: 110px; resize: vertical; font-family: inherit; }
.form-submit { margin-top: 8px; display: flex; justify-content: flex-start; }
.form-submit .button-borders { width: auto; }

.form-input::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
    text-transform: uppercase;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
}

/* Form row */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-label { display: block; margin-bottom: 8px; color: var(--text-secondary); font-size: 13px; font-weight: 500; }

.form-button {
    position: relative;
    background: var(--accent-color);
    color: var(--bg-primary);
    padding: 16px 40px;
    border: none;
    border-radius: 13px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    text-transform: uppercase;
    letter-spacing: 2px;
    overflow: hidden;
}

.form-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(var(--accent-rgba), 0.25);
    letter-spacing: 3px;
}

/* ===== MODAL STİLLERİ ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 3000;
    left: 0; top: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.modal.active { display: flex; align-items: center; justify-content: center; }

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 22px;
    padding: 46px;
    max-width: 560px;
    width: 90%;
    position: relative;
    animation: slideUp 0.3s ease;
    box-shadow: 0 16px 50px rgba(0,0,0,0.5);
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-close {
    position: absolute;
    top: 18px; right: 18px;
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.3s ease;
    color: var(--text-primary);
    line-height: 1;
}

.modal-close:hover { background: var(--accent-color); border-color: var(--accent-color); transform: rotate(90deg); color: var(--bg-primary); }
.modal-icon { font-size: 64px; text-align: center; margin-bottom: 20px; }
.modal-title { font-family: 'Outfit', sans-serif; font-size: 28px; font-weight: 700; margin-bottom: 16px; text-align: center; color: var(--accent-color); }
.modal-description { font-size: 15px; line-height: 1.8; color: var(--text-secondary); text-align: center; }

/* ===== DENEYİM MODAL ===== */
.experience-modal {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.75);
    z-index: 3000;
    overflow-y: auto;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.experience-modal.active { display: flex; opacity: 1; }

.experience-modal-content {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 15px;
    padding: 36px;
    max-width: 760px;
    width: 90%;
    max-height: 88vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    animation: modalSlideIn 0.3s ease;
}

.experience-modal-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 26px;
}

.experience-nav-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 9px 18px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    transition: all 0.3s ease;
}

.experience-nav-btn:hover { background: var(--accent-secondary); transform: scale(1.04); }
.experience-nav-btn:disabled { background: var(--text-secondary); cursor: not-allowed; opacity: 0.5; }
.experience-modal-image { width: 100%; max-height: 360px; object-fit: cover; border-radius: 10px; margin-bottom: 18px; }
.experience-modal-date { color: var(--accent-color); font-weight: 600; font-size: 13px; margin-bottom: 8px; }
.experience-modal-title { font-family: 'Outfit', sans-serif; font-size: 26px; font-weight: 800; color: var(--text-primary); margin-bottom: 8px; }
.experience-modal-company { font-size: 17px; color: var(--text-secondary); margin-bottom: 16px; }
.experience-modal-description { font-size: 15px; line-height: 1.8; color: var(--text-primary); }

@keyframes modalSlideIn {
    from { transform: translateY(40px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ===== EĞİTİM MODAL ===== */
.education-modal {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 3000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.education-modal.active { display: flex; }

.education-modal-content {
    background: var(--bg-primary);
    border-radius: 28px;
    padding: 36px;
    max-width: 560px;
    width: 90%;
    position: relative;
    border: 2px solid var(--border-color);
    box-shadow: 0 16px 50px rgba(0,0,0,0.5);
    animation: modalSlideIn 0.3s ease;
}

.education-modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 26px; }
.education-modal-title { font-family: 'Outfit', sans-serif; font-size: 26px; font-weight: 800; color: var(--accent-color); }
.education-modal-body { color: var(--text-secondary); line-height: 1.8; }
.education-modal-info { background: var(--card-bg); border-radius: 14px; padding: 18px; margin: 18px 0; }
.education-modal-info h4 { color: var(--text-primary); margin-bottom: 13px; font-size: 17px; }
.education-modal-info ul { list-style: none; padding: 0; }
.education-modal-info li { padding: 7px 0; border-bottom: 1px solid var(--border-color); }
.education-modal-info li:last-child { border-bottom: none; }

/* ===== ÇALIŞMALAR MODAL ===== */
.work-modal {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 3000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.work-modal.active { display: flex; }

.work-modal-content {
    background: var(--bg-primary);
    border-radius: 28px;
    padding: 36px;
    max-width: 660px;
    width: 90%;
    position: relative;
    border: 2px solid var(--border-color);
    box-shadow: 0 16px 50px rgba(0,0,0,0.5);
    animation: modalSlideIn 0.3s ease;
    max-height: 88vh;
    overflow-y: auto;
}

.work-modal-image { width: 100%; height: 260px; border-radius: 18px; overflow: hidden; margin-bottom: 26px; }
.work-modal-image img { width: 100%; height: 100%; object-fit: cover; }
.work-modal-title { font-family: 'Outfit', sans-serif; font-size: 26px; font-weight: 800; color: var(--accent-color); margin-bottom: 8px; }
.work-modal-description { color: var(--text-secondary); line-height: 1.8; margin-bottom: 18px; }
.work-modal-details { background: var(--card-bg); border-radius: 14px; padding: 22px; margin: 18px 0; }
.work-modal-details h4 { color: var(--text-primary); margin-bottom: 13px; font-size: 17px; }
.work-modal-details ul { list-style: disc; padding-left: 18px; color: var(--text-secondary); }
.work-modal-details li { padding: 4px 0; }
.work-modal-tech { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 13px; }

/* ===== CV MODAL ===== */
.cv-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 5000;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(12px);
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease;
}

.cv-modal.active { display: flex; }

.cv-modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    width: 90%;
    max-width: 860px;
    height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(0,0,0,0.6);
    animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.cv-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

.cv-modal-title { font-size: 16px; font-weight: 600; color: var(--accent-color); letter-spacing: 0.5px; }

.cv-modal-close {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 34px; height: 34px;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.cv-modal-close:hover { background: var(--accent-color); border-color: var(--accent-color); color: white; transform: rotate(90deg); }
.cv-modal-body { flex: 1; position: relative; overflow: hidden; }
.cv-iframe { width: 100%; height: 100%; border: none; display: block; }

.cv-btn {
    background: rgba(var(--accent-rgba), 0.05) !important;
    border: 1px solid rgba(var(--accent-rgba), 0.2) !important;
    backdrop-filter: blur(10px);
    color: var(--accent-color) !important;
    padding: 10px 22px !important;
    border-radius: 11px !important;
    font-weight: 700 !important;
    display: inline-flex !important;
    align-items: center;
    gap: 6px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1) !important;
}

.cv-btn:hover {
    background: var(--accent-color) !important;
    color: var(--bg-primary) !important;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 24px rgba(var(--accent-rgba), 0.18);
}

/* ===== OVERLAY (mobil sidebar arkaplan) ===== */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    backdrop-filter: blur(2px);
}

.sidebar-overlay.active { display: block; }

/* ===== TABLET (768px - 1024px) ===== */
@media (max-width: 1024px) {
    :root { --sidebar-width: 240px; }

    .section { padding: 60px 40px; }

    .skills-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }

    .hobbies-bento { grid-template-columns: repeat(2, 1fr); }
    .hobby-bento-featured { grid-column: span 2; grid-row: span 1; min-height: 180px; }
    .hobby-bento-medium { grid-column: span 1; }

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

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

    .about-content { grid-template-columns: 1fr; }
}

/* ===== MOBİL (max 768px) ===== */
@media (max-width: 768px) {
    :root { --sidebar-width: 270px; }

    .mobile-menu-btn { display: flex; }

    .top-controls {
        top: 14px;
        right: 14px;
        gap: 8px;
        /* Mobilde sola taşmayı önlemek için */
        max-width: calc(100vw - 80px);
    }

    .primary-button {
        padding: 0.45rem 0.9rem;
        font-size: 10px;
    }

    .language-select {
        padding: 8px 28px 8px 10px;
        font-size: 10px;
    }

    /* Sidebar mobilde gizli, toggle ile açılır */
    .sidebar {
        transform: translateX(-100%);
        left: 0;
        box-shadow: none;
        border-right: 1px solid var(--border-color);
    }

    .sidebar.active {
        transform: translateX(0);
        box-shadow: 8px 0 24px rgba(0,0,0,0.4);
    }

    .main-content {
        margin-left: 0;
        width: 100%;
    }

    .section { padding: 70px 20px 40px; }

    .section-title { font-size: 30px; }
    .section-subtitle { font-size: 14px; }

    .about-content { grid-template-columns: 1fr; gap: 24px; }

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

    .hobbies-bento {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .hobby-bento-featured {
        grid-column: span 2;
        min-height: 160px;
    }

    .hobby-bento-medium { grid-column: span 2; }
    .hobby-bento-small { grid-column: span 1; }

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

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

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

    .timeline { padding-left: 30px; }

    .timeline-item::before { left: -34px; }

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

    .profile-section { padding: 50px 14px 22px; }
    .profile-img { width: 80px; height: 80px; }
    .profile-name { font-size: 17px; }
    .profile-title { font-size: 11px; }

    .nav-item { padding: 11px 16px; font-size: 12px; }
}

/* ===== KÜÇÜK MOBİL (max 480px) ===== */
@media (max-width: 480px) {
    .section { padding: 65px 14px 30px; }
    .section-title { font-size: 26px; }

    .hobbies-bento { grid-template-columns: 1fr; }
    .hobby-bento-featured,
    .hobby-bento-medium,
    .hobby-bento-small { grid-column: span 1; }

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

    .modal-content,
    .experience-modal-content,
    .education-modal-content,
    .work-modal-content { padding: 24px 18px; }

    .top-controls { gap: 6px; }

    .language-select { padding: 7px 24px 7px 8px; }
}

/* ===== GENEL KÜÇÜLTME: section padding ve font boyutları ===== */
.section {
    padding: 55px 48px;
}

.section-title {
    font-size: 36px;
}

.section-subtitle {
    font-size: 15px;
}

.section-header {
    margin-bottom: 38px;
}

/* ===== SCROLL NAV (Tablet & Mobil) ===== */
.scroll-nav {
    display: none;
    position: fixed;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1500;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 40px;
    padding: 5px 10px;
    gap: 5px;
    align-items: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.22);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    max-width: calc(100vw - 28px);
    overflow: hidden;
}

.scroll-nav-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.scroll-nav-btn svg {
    width: 14px;
    height: 14px;
}

.scroll-nav-btn:hover {
    background: var(--accent-color);
    color: var(--bg-primary);
    border-color: var(--accent-color);
}

.scroll-nav-dots {
    display: flex;
    align-items: center;
    gap: 5px;
    flex-shrink: 0;
}

.scroll-nav-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--border-color);
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
    padding: 0;
    flex-shrink: 0;
}

.scroll-nav-dot.active {
    width: 18px;
    border-radius: 3px;
    background: var(--accent-color);
}

.scroll-nav-dot:hover:not(.active) {
    background: var(--text-muted);
    transform: scale(1.2);
}

/* Tablet ve mobilde scroll-nav göster */
@media (max-width: 1024px) {
    .scroll-nav {
        display: flex;
    }

    .section {
        padding-bottom: 72px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 65px 18px 72px;
    }

    .section-title {
        font-size: 28px;
    }

    .scroll-nav {
        bottom: 12px;
        padding: 4px 8px;
        gap: 4px;
    }

    .scroll-nav-btn {
        width: 26px;
        height: 26px;
    }

    .scroll-nav-dot {
        width: 5px;
        height: 5px;
    }

    .scroll-nav-dot.active {
        width: 14px;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 60px 14px 68px;
    }

    .scroll-nav-dots {
        gap: 4px;
    }

    .scroll-nav-dot {
        width: 5px;
        height: 5px;
    }

    .scroll-nav-dot.active {
        width: 13px;
    }
}