/* =====================================================
   OSMAN KINA AKADEMİ
   HIZLI OKUMA VE ANLAMA GELİŞİM SİSTEMİ
   PROFESYONEL WEB TASARIMI
===================================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    min-height: 100vh;
    color: #172033;
    line-height: 1.6;

    background:
        linear-gradient(
            rgba(7, 17, 31, 0.72),
            rgba(7, 17, 31, 0.88)
        ),
        url("osman-kina.png");

    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
    background-attachment: fixed;
}


/* =====================================================
   ANA KAPSAYICI
===================================================== */

.container {
    width: 100%;
    max-width: 1180px;
    
    margin: 0 auto;

    background: transparent;

    box-shadow:
        0 0 50px rgba(0, 0, 0, 0.30);
}


/* =====================================================
   HEADER
===================================================== */

header {
    padding: 20px 30px;

    text-align: center;

    color: white;

    background:
        linear-gradient(
            135deg,
            #081525,
            #132c49
        );

    border-bottom:
        3px solid #d6b46a;
}

header h1 {
    font-size: 30px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.altBaslik {
    margin-top: 3px;
    font-size: 14px;
    color: #dbe6f2;
}


/* =====================================================
   GENEL SECTION
===================================================== */

section {
    padding: 35px;
}

section > h2 {
    margin-bottom: 10px;
    text-align: center;
    font-size: 30px;
    color: #10243e;
}

.aciklama {
    max-width: 760px;
    margin: 0 auto 25px;
    text-align: center;
    color: #657083;
}


/* =====================================================
   HERO / WEB SİTESİ GİRİŞİ
===================================================== */

.heroAlan {
    position: relative;

    min-height: 520px;

    display: flex;
    align-items: center;

    padding: 55px;

    overflow: hidden;

    border-radius: 0 0 30px 30px;

    background:
        linear-gradient(
            90deg,
            rgba(5, 15, 29, 0.96) 0%,
            rgba(5, 15, 29, 0.82) 45%,
            rgba(5, 15, 29, 0.25) 100%
        ),
        url("osman-kina.png");

    background-size: cover;
    background-position: center 20%;
    background-repeat: no-repeat;

    box-shadow:
        0 20px 45px rgba(0, 0, 0, 0.20);
}

.heroYazi {
    position: relative;
    z-index: 2;

    width: 55%;
    max-width: 600px;

    color: white;
}

.ustEtiket {
    margin-bottom: 12px;

    font-size: 13px;
    font-weight: 800;

    letter-spacing: 2px;

    color: #d6b46a;
}

.heroYazi h2 {
    margin-bottom: 20px;

    font-size: 54px;
    line-height: 1.08;

    letter-spacing: -2px;

    color: white;
}

.heroAciklama {
    max-width: 520px;

    margin-bottom: 28px;

    font-size: 18px;
    line-height: 1.7;

    color: #e6edf5;
}


/* =====================================================
   TANITIM KARTLARI
===================================================== */

.tanitimKartlari {
    position: relative;
    z-index: 5;

    display: grid;
    grid-template-columns: repeat(4, 1fr);

    gap: 16px;

    margin: -45px 35px 45px;
}

.tanitimKart {
    min-height: 155px;

    padding: 25px 18px;

    text-align: center;

    background: white;

    border-radius: 18px;

    box-shadow:
        0 10px 30px rgba(12, 31, 52, 0.13);

    border: 1px solid #e8edf3;

    transition: 0.25s ease;
}

.tanitimKart:hover {
    transform: translateY(-5px);
}

.tanitimIkon {
    margin-bottom: 10px;
    font-size: 31px;
}

.tanitimKart strong {
    display: block;

    margin-bottom: 5px;

    font-size: 17px;

    color: #10243e;
}

.tanitimKart span {
    display: block;

    font-size: 13px;

    color: #6b7280;
}


/* =====================================================
   ANA PANEL
===================================================== */

.anaPanel {
    margin: 30px 35px 50px;

    padding: 40px;

    background: white;

    border-radius: 24px;

    box-shadow:
        0 10px 35px rgba(12, 31, 52, 0.10);
}

.anaPanel h2 {
    text-align: center;

    margin-bottom: 5px;

    color: #10243e;

    font-size: 30px;
}


/* =====================================================
   ANA MENÜ BUTONLARI
===================================================== */

.anaMenuButonlari {
    display: grid;

    grid-template-columns:
        repeat(3, minmax(0, 1fr));

    gap: 16px;

    margin-top: 28px;
}

.menuButon {
    min-height: 125px;

    padding: 22px 15px;

    border: 1px solid #dde6ef;

    border-radius: 18px;

    background:
        linear-gradient(
            145deg,
            #ffffff,
            #f6f8fb
        );

    color: #172033;

    font-size: 15px;
    font-weight: 700;

    cursor: pointer;

    box-shadow:
        0 7px 20px rgba(15, 35, 58, 0.08);

    transition: 0.25s ease;
}

.menuButon span {
    display: block;

    margin-bottom: 8px;

    font-size: 31px;
}

.menuButon:hover {
    transform: translateY(-4px);

    border-color: #d6b46a;

    box-shadow:
        0 14px 30px rgba(15, 35, 58, 0.14);
}


/* =====================================================
   BİLGİ BÖLÜMÜ
===================================================== */

.bilgiBolumu {
    padding: 70px 40px;

    text-align: center;

    background: #0d2036;

    color: white;
}

.bilgiBolumu h2 {
    margin-bottom: 20px;

    font-size: 37px;

    line-height: 1.2;
}

.bilgiBolumu > p:last-child {
    max-width: 760px;

    margin: 0 auto;

    font-size: 17px;

    color: #d5dfeb;
}


/* =====================================================
   ÖZELLİKLER
===================================================== */

.ozellikGrid {
    display: grid;

    grid-template-columns:
        repeat(3, minmax(0, 1fr));

    gap: 20px;

    padding: 55px 35px;

    background: #f5f7fa;
}

.ozellikKart {
    padding: 30px;

    background: white;

    border-radius: 20px;

    border: 1px solid #e5eaf0;

    box-shadow:
        0 8px 25px rgba(10, 30, 50, 0.07);
}

.ozellikKart > span {
    display: block;

    margin-bottom: 13px;

    font-size: 35px;
}

.ozellikKart h3 {
    margin-bottom: 8px;

    color: #10243e;
}

.ozellikKart p {
    color: #687385;

    font-size: 14px;
}


/* =====================================================
   EĞİTMEN BÖLÜMÜ
===================================================== */

.egitmenBolumu {
    padding: 70px 30px;

    text-align: center;

    color: white;

    background:
        linear-gradient(
            135deg,
            #101f33,
            #172f4d
        );
}

.egitmenBolumu h2 {
    margin-bottom: 12px;

    font-size: 38px;

    color: white;
}

.egitmenBolumu p {
    margin-bottom: 25px;

    color: #dce5ee;

    line-height: 1.8;
}


/* =====================================================
   FORMLAR
===================================================== */

.formAlan {
    width: 100%;
    max-width: 650px;

    margin: 25px auto;

    padding: 28px;

    background: white;

    border-radius: 18px;

    box-shadow:
        0 8px 30px rgba(12, 31, 52, 0.10);
}

.formAlan label {
    display: block;

    margin: 16px 0 7px;

    font-size: 14px;
    font-weight: 700;

    color: #26364a;
}

.formAlan label:first-child {
    margin-top: 0;
}

.formAlan input,
.formAlan select {
    width: 100%;

    padding: 14px 15px;

    border: 1px solid #ced8e3;

    border-radius: 10px;

    background: white;

    font-size: 16px;

    color: #172033;

    outline: none;

    transition: 0.2s ease;
}

.formAlan input:focus,
.formAlan select:focus {
    border-color: #1c7c54;

    box-shadow:
        0 0 0 3px rgba(28, 124, 84, 0.12);
}


/* =====================================================
   GENEL BUTONLAR
===================================================== */

button {
    font-family: inherit;
}

.butonlar {
    display: flex;

    flex-wrap: wrap;

    justify-content: center;

    gap: 12px;

    margin-top: 25px;
}

.yesilButon,
.griButon,
.bitirButonu {
    min-width: 190px;

    padding: 14px 22px;

    border: none;

    border-radius: 11px;

    font-size: 15px;
    font-weight: 800;

    cursor: pointer;

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.yesilButon {
    color: white;

    background:
        linear-gradient(
            135deg,
            #147a4e,
            #1c9a63
        );

    box-shadow:
        0 8px 20px rgba(20, 122, 78, 0.25);
}

.yesilButon:hover {
    transform: translateY(-2px);

    box-shadow:
        0 12px 25px rgba(20, 122, 78, 0.32);
}

.griButon {
    color: #26364a;

    background: #e8edf2;
}

.griButon:hover {
    transform: translateY(-2px);

    background: #dce3ea;
}

.buyukButon {
    padding: 17px 28px;

    font-size: 16px;
}


/* =====================================================
   OKUMA TESTİ
===================================================== */

.okumaBilgisi {
    margin-bottom: 20px;

    text-align: center;

    font-weight: 700;

    color: #607087;
}

.kronometreBaslik {
    margin-top: 20px;

    text-align: center;

    color: #5f6c7b;

    font-weight: 700;
}

#kronometre {
    margin: 5px auto 20px;

    text-align: center;

    font-size: 48px;
    font-weight: 900;

    letter-spacing: 2px;

    color: #10243e;
}

.okumaMetni {
    width: 100%;
    max-width: 850px;

    margin: 25px auto;

    padding: 35px;

    white-space: pre-line;

    background: white;

    border-radius: 20px;

    border: 1px solid #e0e7ef;

    box-shadow:
        0 10px 30px rgba(12, 31, 52, 0.10);

    font-size: 18px;

    line-height: 1.9;

    color: #202c3c;
}

.bitirButonAlani {
    display: flex !important;

    justify-content: center !important;

    width: 100%;

    margin: 25px 0;
}

#bitir,
.bitirButonu {
    display: block !important;

    visibility: visible !important;

    opacity: 1 !important;

    color: white;

    background:
        linear-gradient(
            135deg,
            #b42318,
            #dc3545
        );

    box-shadow:
        0 8px 20px rgba(180, 35, 24, 0.25);
}


/* =====================================================
   SORULAR
===================================================== */

.soru {
    max-width: 820px;

    margin: 22px auto;

    padding: 25px;

    background: white;

    border-radius: 18px;

    border: 1px solid #e2e8f0;

    box-shadow:
        0 8px 25px rgba(12, 31, 52, 0.08);
}

.soru h3 {
    margin-bottom: 17px;

    color: #172b45;

    line-height: 1.5;
}

.soru label {
    display: block;

    margin: 10px 0;

    padding: 13px 15px;

    background: #f6f8fb;

    border: 1px solid #e2e8f0;

    border-radius: 10px;

    cursor: pointer;

    transition: 0.2s ease;
}

.soru label:hover {
    background: #edf4f1;

    border-color: #a8cbbb;
}

.soru input[type="radio"] {
    margin-right: 8px;
}


/* =====================================================
   SONUÇ KARTLARI
===================================================== */

.sonucKart {
    max-width: 820px;

    margin: 15px auto;

    padding: 23px;

    background: white;

    border: 1px solid #e0e7ef;

    border-radius: 17px;

    box-shadow:
        0 7px 24px rgba(12, 31, 52, 0.08);
}

.sonucKart h3 {
    margin-bottom: 12px;

    color: #10243e;
}

.sonucKart p {
    margin: 8px 0;
}

.gelisimMesaji {
    margin-top: 18px !important;

    padding: 14px;

    text-align: center;

    background: #edf8f2;

    border-radius: 10px;

    font-weight: 700;

    color: #14643f;
}


/* =====================================================
   İSTATİSTİK
===================================================== */

.istatistikGrid {
    display: grid;

    grid-template-columns:
        repeat(3, minmax(0, 1fr));

    gap: 12px;

    margin-top: 18px;
}

.istatistik {
    padding: 18px 10px;

    text-align: center;

    background: #f4f7fa;

    border-radius: 13px;
}

.istatistik span {
    display: block;

    margin-bottom: 5px;

    font-size: 12px;

    color: #6b7280;
}

.istatistik strong {
    display: block;

    font-size: 20px;

    color: #10243e;
}

.bolumBaslik {
    margin: 35px 0 15px;

    text-align: center;

    color: #10243e;
}


/* =====================================================
   EGZERSİZLER
===================================================== */

.egzersizGrid {
    display: grid;

    grid-template-columns:
        repeat(4, minmax(0, 1fr));

    gap: 14px;

    max-width: 1000px;

    margin: 30px auto;
}

.egzersizGrid button {
    min-height: 95px;

    padding: 15px;

    border: 1px solid #dfe6ed;

    border-radius: 15px;

    background: white;

    color: #172b45;

    font-size: 14px;
    font-weight: 700;

    cursor: pointer;

    box-shadow:
        0 6px 20px rgba(12, 31, 52, 0.07);

    transition: 0.2s ease;
}

.egzersizGrid button:hover {
    transform: translateY(-3px);

    border-color: #d6b46a;

    box-shadow:
        0 10px 25px rgba(12, 31, 52, 0.12);
}


/* =====================================================
   FOOTER
===================================================== */

.akademiImza {
    padding: 35px 20px;

    text-align: center;

    background: #071421;

    color: #aebdcd;

    font-size: 13px;
}

.akademiImza strong {
    color: white;

    font-size: 17px;
}


/* =====================================================
   TABLET
===================================================== */

@media (max-width: 900px) {

    .heroAlan {
        min-height: 480px;

        padding: 40px;

        background-position: 60% top;
    }

    .heroYazi {
        width: 65%;
    }

    .heroYazi h2 {
        font-size: 44px;
    }

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

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

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

    .egzersizGrid {
        grid-template-columns:
            repeat(3, 1fr);
    }
}


/* =====================================================
   TELEFON / INSTAGRAM TARAYICISI
===================================================== */

@media (max-width: 600px) {

    body {
        background:
            linear-gradient(
                rgba(7, 17, 31, 0.78),
                rgba(7, 17, 31, 0.90)
            ),
            url("osman-kina.png");

        background-size: cover;

        background-position: center top;

        background-attachment: scroll;
    }

    .container {
        width: 100%;

        box-shadow: none;
    }

    header {
        padding: 15px 12px;
    }

    header h1 {
        font-size: 21px;
    }

    .altBaslik {
        font-size: 11px;
    }

    section {
        padding: 22px 14px;
    }

    section > h2 {
        font-size: 25px;
    }


    /* HERO */

    .heroAlan {
        min-height: 600px;

        align-items: flex-end;

        padding: 30px 20px;

        border-radius: 0 0 24px 24px;

        background:
            linear-gradient(
                180deg,
                rgba(5, 15, 29, 0.08) 15%,
                rgba(5, 15, 29, 0.55) 52%,
                rgba(5, 15, 29, 0.97) 100%
            ),
            url("osman-kina.png");

        background-size: cover;

        background-position: center top;
    }

    .heroYazi {
        width: 100%;

        text-align: center;
    }

    .heroYazi h2 {
        font-size: 37px;

        letter-spacing: -1px;
    }

    .heroAciklama {
        font-size: 15px;

        line-height: 1.6;
    }

    .heroYazi .yesilButon {
        width: 100%;
    }


    /* TANITIM */

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

        gap: 10px;

        margin:
            -25px 12px 35px;
    }

    .tanitimKart {
        min-height: 140px;

        padding: 18px 10px;
    }

    .tanitimIkon {
        font-size: 27px;
    }

    .tanitimKart strong {
        font-size: 14px;
    }

    .tanitimKart span {
        font-size: 11px;
    }


    /* PANEL */

    .anaPanel {
        margin: 20px 0 35px;

        padding: 25px 14px;

        border-radius: 18px;
    }

    .anaPanel h2 {
        font-size: 25px;
    }

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

        gap: 10px;
    }

    .menuButon {
        min-height: 115px;

        padding: 14px 8px;

        font-size: 12px;
    }

    .menuButon span {
        font-size: 28px;
    }


    /* BİLGİ */

    .bilgiBolumu {
        padding: 50px 20px;
    }

    .bilgiBolumu h2 {
        font-size: 29px;
    }

    .bilgiBolumu > p:last-child {
        font-size: 14px;
    }


    /* ÖZELLİK */

    .ozellikGrid {
        grid-template-columns: 1fr;

        padding: 35px 14px;

        gap: 12px;
    }

    .ozellikKart {
        padding: 23px;
    }


    /* EĞİTMEN */

    .egitmenBolumu {
        padding: 50px 18px;
    }

    .egitmenBolumu h2 {
        font-size: 31px;
    }


    /* FORMLAR */

    .formAlan {
        padding: 20px 15px;

        border-radius: 15px;
    }

    .formAlan input,
    .formAlan select {
        font-size: 16px;
    }


    /* BUTONLAR */

    .butonlar {
        flex-direction: column;

        width: 100%;
    }

    .yesilButon,
    .griButon,
    .bitirButonu {
        width: 100%;

        min-width: 0;

        padding: 15px;
    }


    /* OKUMA */

    #kronometre {
        font-size: 42px;
    }

    .okumaMetni {
        padding: 23px 18px;

        font-size: 17px;

        line-height: 1.85;

        border-radius: 15px;
    }


    /* SORULAR */

    .soru {
        padding: 19px 14px;
    }

    .soru h3 {
        font-size: 16px;
    }

    .soru label {
        padding: 12px;

        font-size: 14px;
    }


    /* İSTATİSTİK */

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


    /* EGZERSİZLER */

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

        gap: 9px;
    }

    .egzersizGrid button {
        min-height: 90px;

        padding: 12px 7px;

        font-size: 12px;
    }
}


/* =====================================================
   ÇOK KÜÇÜK TELEFONLAR
===================================================== */

@media (max-width: 380px) {

    .heroYazi h2 {
        font-size: 32px;
    }

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

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

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

    .istatistikGrid {
        grid-template-columns: 1fr;
    }
}
/* INSTAGRAM BUTONU */

.instagramButon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    box-sizing: border-box;
    padding: 16px 20px;
    margin-top: 12px;

    border: none;
    border-radius: 14px;

    background: linear-gradient(
        45deg,
        #833ab4,
        #c13584,
        #e1306c,
        #fd1d1d,
        #f77737
    );

    color: white;
    font-size: 17px;
    font-weight: 700;
    text-decoration: none;

    cursor: pointer;
    transition: 0.2s;
}

.instagramButon:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}
/* ===============================
   ÜYELİK / GİRİŞ EKRANI
================================ */

.girisEkrani {
    position: fixed;
    inset: 0;
    z-index: 9999;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 20px;
    box-sizing: border-box;

    background:
        linear-gradient(
            135deg,
            rgba(8, 18, 35, 0.96),
            rgba(20, 48, 75, 0.94)
        );
}

.girisKarti {
    width: 100%;
    max-width: 420px;
    padding: 38px 30px;

    background: white;
    border-radius: 22px;

    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);

    text-align: center;
}

.girisKarti h2 {
    margin: 0 0 10px;
    font-size: 28px;
    color: #16324f;
}

.girisKarti p {
    color: #64748b;
    margin-bottom: 24px;
}

.girisKarti input {
    width: 100%;
    box-sizing: border-box;

    padding: 15px;
    margin-bottom: 14px;

    border: 1px solid #cbd5e1;
    border-radius: 12px;

    font-size: 16px;
    outline: none;
}

.girisKarti input:focus {
    border-color: #2563eb;
}

.girisKarti button {
    width: 100%;

    padding: 15px;
    margin-top: 8px;

    border: none;
    border-radius: 12px;

    font-size: 16px;
    font-weight: 700;

    cursor: pointer;
}

.girisKarti button:first-of-type {
    background: #16324f;
    color: white;
}

.girisKarti button:last-of-type {
    background: #e8f1ff;
    color: #16324f;
}

#girisMesaj {
    margin-top: 15px;
    margin-bottom: 0;

    font-size: 14px;
    font-weight: 600;
}