/* ==========================================================================
   MesaiPlus PDKS Pro — Landing Page
   Marka: navy #012a60 · cyan #009fc7 (logo referanslı)
   ========================================================================== */

:root {
    /* Marka */
    --navy-900: #04173a;
    --navy-800: #012a60;
    --navy-700: #0a3d80;
    --navy-600: #12539f;
    --cyan-600: #0089ad;
    --cyan-500: #009fc7;
    --cyan-400: #35bde0;

    /* Yüzeyler */
    --paper: #ffffff;
    --surface: #f4f7fa;
    --surface-2: #eaf0f6;
    --ink: #0c1726;
    --ink-soft: #26374b;
    --muted: #5b6b7f;
    --line: #dfe6ee;
    --line-strong: #c2cedb;

    /* Aksiyon */
    --accent: var(--navy-800);
    --accent-dark: #011f47;

    /* Ölçü */
    --content: 1220px;
    --header-height: 76px;
    --radius: 14px;
    --radius-sm: 10px;

    /* Gölge */
    --shadow-sm: 0 1px 2px rgba(4, 23, 58, .06), 0 2px 8px rgba(4, 23, 58, .05);
    --shadow-md: 0 4px 12px rgba(4, 23, 58, .07), 0 16px 40px -12px rgba(4, 23, 58, .16);
    --shadow-lg: 0 8px 24px rgba(4, 23, 58, .1), 0 40px 80px -24px rgba(4, 23, 58, .35);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 20px);
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16.5px;
    line-height: 1.62;
    font-feature-settings: "cv05" 1, "ss01" 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
    overflow: hidden;
}

h1, h2, h3, h4 {
    font-family: "Inter Tight", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-weight: 700;
    letter-spacing: -0.022em;
    text-wrap: balance;
}

p {
    text-wrap: pretty;
}

img, svg {
    display: block;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button, input, select, textarea {
    font: inherit;
    color: inherit;
}

:focus-visible {
    outline: 3px solid var(--cyan-500);
    outline-offset: 3px;
    border-radius: 3px;
}

::selection {
    background: var(--navy-800);
    color: #fff;
}

.shell {
    width: min(calc(100% - 48px), var(--content));
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    left: 14px;
    top: -80px;
    z-index: 1000;
    padding: 12px 18px;
    color: #fff;
    background: var(--navy-800);
    border-radius: 0 0 8px 8px;
    font-weight: 600;
}

.skip-link:focus {
    top: 0;
}

/* ---------- Ortak tipografi parçaları ---------- */

.eyebrow,
.folio {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin: 0 0 20px;
    color: var(--cyan-600);
    font-size: 12px;
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.eyebrow::before,
.folio::before {
    content: "";
    width: 22px;
    height: 2px;
    background: currentColor;
    flex: 0 0 auto;
}

.section {
    padding: clamp(72px, 8vw, 118px) 0;
    border-bottom: 1px solid var(--line);
}

.section-heading {
    max-width: 780px;
    margin-bottom: 60px;
}

.section-heading h2 {
    margin: 0;
    font-size: clamp(32px, 4.2vw, 50px);
    line-height: 1.08;
}

.section-heading > p {
    max-width: 660px;
    margin: 22px 0 0;
    color: var(--muted);
    font-size: 18px;
}

.section-heading.wide {
    max-width: none;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 440px);
    gap: 48px;
    align-items: end;
}

.section-heading.wide > p {
    margin: 0;
    padding-bottom: 6px;
}

/* ---------- Butonlar ---------- */

.button {
    position: relative;
    min-height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 26px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 650;
    letter-spacing: -0.005em;
    cursor: pointer;
    transition: background-color 180ms ease, color 180ms ease,
                border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button:active {
    transform: translateY(0);
}

.button-primary {
    color: #fff;
    background: var(--navy-800);
    border-color: var(--navy-800);
    box-shadow: var(--shadow-sm);
}

.button-primary:hover {
    background: var(--navy-700);
    border-color: var(--navy-700);
    box-shadow: var(--shadow-md);
}

.button-ghost {
    color: var(--ink);
    background: transparent;
    border-color: var(--line-strong);
}

.button-ghost:hover {
    color: var(--navy-800);
    border-color: var(--navy-800);
    background: rgba(1, 42, 96, .04);
}

.button-light {
    color: var(--navy-800);
    background: #fff;
    border-color: #fff;
}

.button-light:hover {
    background: #eef4fb;
    border-color: #eef4fb;
}

.button-outline-light {
    color: #fff;
    background: transparent;
    border-color: rgba(255, 255, 255, .38);
}

.button-outline-light:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, .08);
}

.button svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform 180ms ease;
}

.button:hover svg {
    transform: translateX(3px);
}

/* ---------- Header ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
    background: rgba(255, 255, 255, .82);
    border-bottom: 1px solid transparent;
    backdrop-filter: saturate(180%) blur(16px);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    transition: border-color 200ms ease, background-color 200ms ease, box-shadow 200ms ease;
}

.site-header.is-stuck {
    border-bottom-color: var(--line);
    background: rgba(255, 255, 255, .94);
    box-shadow: 0 1px 20px rgba(4, 23, 58, .05);
}

.nav-shell {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand-link {
    display: inline-flex;
    align-items: center;
    width: 196px;
    flex: 0 0 auto;
}

.brand-link img {
    width: 100%;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 14.5px;
    font-weight: 550;
}

.main-nav a:not(.nav-cta) {
    position: relative;
    padding: 10px 14px;
    border-radius: 999px;
    color: var(--ink-soft);
    transition: color 160ms ease, background-color 160ms ease;
}

.main-nav a:not(.nav-cta)::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 4px;
    height: 2px;
    background: var(--cyan-500);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 200ms ease;
}

.main-nav a:not(.nav-cta):hover {
    color: var(--navy-800);
    background: rgba(1, 42, 96, .05);
}

.main-nav a.is-active::after {
    transform: scaleX(1);
}

.nav-cta {
    margin-left: 12px;
    padding: 11px 22px;
    color: #fff;
    background: var(--navy-800);
    border-radius: 999px;
    font-weight: 650;
    transition: background-color 180ms ease, box-shadow 180ms ease;
}

.nav-cta:hover {
    background: var(--navy-700);
    box-shadow: var(--shadow-sm);
}

.menu-button {
    display: none;
    width: 46px;
    height: 46px;
    padding: 11px;
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    background: var(--paper);
    cursor: pointer;
}

.menu-button svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
}

/* ---------- Hero ---------- */

.hero {
    position: relative;
    overflow: hidden;
    padding: clamp(64px, 8vw, 104px) 0 0;
    color: #fff;
    background:
        radial-gradient(1100px 520px at 78% 8%, rgba(0, 159, 199, .30), transparent 62%),
        radial-gradient(760px 480px at 6% 96%, rgba(18, 83, 159, .38), transparent 60%),
        linear-gradient(168deg, #04173a 0%, #012a60 58%, #06326d 100%);
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, .05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, .05) 1px, transparent 1px);
    background-size: 76px 76px;
    mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 78%);
    -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 78%);
    pointer-events: none;
}

.hero-shell {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: center;
    padding-bottom: clamp(56px, 6vw, 88px);
}

.hero .eyebrow {
    color: var(--cyan-400);
}

.hero h1 {
    margin: 0;
    font-size: clamp(38px, 5.4vw, 66px);
    line-height: 1.03;
    letter-spacing: -0.032em;
}

.hero h1 em {
    font-style: normal;
    color: var(--cyan-400);
}

.hero-lead {
    max-width: 560px;
    margin: 26px 0 0;
    color: rgba(232, 240, 250, .84);
    font-size: clamp(17px, 1.5vw, 20px);
    line-height: 1.55;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 36px;
}

.hero-points {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 26px;
    margin: 34px 0 0;
    padding: 26px 0 0;
    border-top: 1px solid rgba(255, 255, 255, .14);
    list-style: none;
    color: rgba(226, 236, 248, .76);
    font-size: 14px;
}

.hero-points li {
    display: flex;
    align-items: center;
    gap: 9px;
}

.hero-points svg {
    width: 17px;
    height: 17px;
    flex: 0 0 auto;
    fill: none;
    stroke: var(--cyan-400);
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* Ürün görseli çerçevesi */
.hero-visual {
    position: relative;
    border-radius: 16px;
    padding: 10px;
    background: linear-gradient(150deg, rgba(255, 255, 255, .22), rgba(255, 255, 255, .04));
    border: 1px solid rgba(255, 255, 255, .16);
    box-shadow: var(--shadow-lg);
}

.hero-visual img {
    width: 100%;
    border-radius: 8px;
    background: var(--surface);
}

.hero-badge {
    position: absolute;
    left: -18px;
    bottom: 26px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 18px 13px 15px;
    color: var(--ink);
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.hero-badge span:first-child {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(0, 159, 199, .12);
    color: var(--cyan-600);
    flex: 0 0 auto;
}

.hero-badge svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.hero-badge strong {
    display: block;
    font-size: 14px;
    line-height: 1.25;
}

.hero-badge small {
    color: var(--muted);
    font-size: 12px;
}

/* Hero istatistik şeridi */
.hero-stats {
    position: relative;
    z-index: 2;
    border-top: 1px solid rgba(255, 255, 255, .13);
    background: rgba(2, 17, 43, .32);
}

.hero-stats .shell {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.hero-stats div {
    padding: 26px 26px 28px;
    border-left: 1px solid rgba(255, 255, 255, .11);
}

.hero-stats div:first-child {
    padding-left: 0;
    border-left: 0;
}

.hero-stats strong {
    display: block;
    font-family: "Inter Tight", Inter, sans-serif;
    font-size: 30px;
    line-height: 1.1;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #fff;
}

.hero-stats span {
    display: block;
    margin-top: 5px;
    color: rgba(213, 227, 243, .7);
    font-size: 13.5px;
}

/* ---------- Logo / bileşen şeridi ---------- */

.proof-strip {
    padding: 30px 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
}

.proof-strip .shell {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 18px 34px;
}

.proof-strip p {
    margin: 0;
    color: var(--muted);
    font-size: 12.5px;
    font-weight: 650;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.proof-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.proof-grid span {
    padding: 9px 16px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    color: var(--ink-soft);
    font-size: 13px;
    font-weight: 600;
}

/* ---------- Sorun / çözüm ---------- */

.contrast-section {
    background: var(--surface);
}

.contrast-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.contrast-card {
    padding: 34px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: var(--paper);
}

.contrast-card.solved {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(160deg, #012a60, #04173a);
    box-shadow: var(--shadow-md);
}

.contrast-card h3 {
    margin: 0 0 22px;
    font-size: 21px;
}

.contrast-card ul {
    display: grid;
    gap: 15px;
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 15.5px;
}

.contrast-card li {
    display: grid;
    grid-template-columns: 22px 1fr;
    gap: 12px;
    align-items: start;
    color: var(--muted);
}

.contrast-card.solved li {
    color: rgba(226, 236, 248, .86);
}

.contrast-card li svg {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke: #b9c3ce;
}

.contrast-card.solved li svg {
    stroke: var(--cyan-400);
}

/* ---------- Özellik kartları ---------- */

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.feature-item {
    position: relative;
    padding: 32px 30px 34px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--paper);
    transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.feature-item:hover {
    border-color: var(--line-strong);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.feature-icon {
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    margin-bottom: 26px;
    border-radius: 12px;
    background: linear-gradient(150deg, rgba(0, 159, 199, .16), rgba(1, 42, 96, .1));
    color: var(--navy-800);
}

.feature-icon svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.feature-item h3 {
    margin: 0 0 10px;
    font-size: 20px;
    line-height: 1.25;
}

.feature-item p {
    margin: 0;
    color: var(--muted);
    font-size: 15.5px;
}

/* ---------- Foto bandı ---------- */

.photo-band {
    position: relative;
    min-height: 620px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
    background: var(--navy-900);
}

.photo-band > img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-band::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, rgba(4, 23, 58, .92) 0%, rgba(4, 23, 58, .72) 42%, rgba(4, 23, 58, .12) 78%);
}

.photo-copy {
    position: relative;
    z-index: 1;
    width: min(640px, calc(100% - 48px));
    margin: 0 0 clamp(48px, 6vw, 80px) max(24px, calc((100vw - var(--content)) / 2));
    color: #fff;
}

.photo-copy .folio {
    color: var(--cyan-400);
}

.photo-copy h2 {
    margin: 0;
    font-size: clamp(30px, 3.6vw, 44px);
    line-height: 1.1;
}

.photo-copy p {
    margin: 20px 0 0;
    color: rgba(226, 236, 248, .82);
    font-size: 17.5px;
}

.photo-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
}

.photo-tags li {
    padding: 8px 15px;
    border: 1px solid rgba(255, 255, 255, .24);
    border-radius: 999px;
    font-size: 13px;
    color: rgba(232, 240, 250, .9);
    backdrop-filter: blur(6px);
}

/* ---------- Süreç ---------- */

.process-section {
    background: var(--surface);
}

.process-list {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: step;
}

.process-list li {
    position: relative;
    padding: 30px 26px 32px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.process-list li::before {
    counter-increment: step;
    content: "0" counter(step);
    display: block;
    margin-bottom: 22px;
    font-family: "Inter Tight", Inter, sans-serif;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--cyan-600);
}

.process-list li::after {
    content: "";
    position: absolute;
    top: 44px;
    right: -14px;
    width: 8px;
    height: 8px;
    border-top: 2px solid var(--line-strong);
    border-right: 2px solid var(--line-strong);
    transform: rotate(45deg);
}

.process-list li:last-child::after {
    display: none;
}

.process-list h3 {
    margin: 0 0 10px;
    font-size: 18.5px;
    line-height: 1.3;
}

.process-list p {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
}

/* ---------- Modüller ---------- */

.module-layout {
    display: grid;
    grid-template-columns: minmax(300px, 0.78fr) minmax(0, 1.22fr);
    gap: clamp(40px, 6vw, 96px);
    align-items: start;
}

.sticky-heading {
    position: sticky;
    top: calc(var(--header-height) + 36px);
    margin-bottom: 0;
}

.module-list {
    border-top: 1px solid var(--line);
}

.module-list article {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 32px;
    padding: 26px 4px;
    border-bottom: 1px solid var(--line);
    transition: background-color 200ms ease;
}

.module-list article:hover {
    background: var(--surface);
}

.module-list h3 {
    margin: 0;
    font-size: 17.5px;
    line-height: 1.35;
}

.module-list p {
    margin: 0;
    color: var(--muted);
    font-size: 15.5px;
}

/* ---------- Güvenlik ---------- */

.security-section {
    color: #fff;
    background:
        radial-gradient(800px 400px at 88% 12%, rgba(0, 159, 199, .22), transparent 62%),
        linear-gradient(160deg, #04173a, #011f47);
    border-bottom: 0;
}

.security-section .folio {
    color: var(--cyan-400);
}

.security-section .section-heading > p {
    color: rgba(214, 228, 244, .78);
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: var(--radius);
    overflow: hidden;
}

.security-grid article {
    padding: 30px 28px 34px;
    background: rgba(4, 23, 58, .6);
    backdrop-filter: blur(4px);
}

.security-grid svg {
    width: 24px;
    height: 24px;
    margin-bottom: 20px;
    fill: none;
    stroke: var(--cyan-400);
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.security-grid h3 {
    margin: 0 0 9px;
    font-size: 18px;
}

.security-grid p {
    margin: 0;
    color: rgba(214, 228, 244, .74);
    font-size: 15px;
}

/* ---------- Fiyatlandırma ---------- */

.pricing-section {
    background: var(--surface);
}

.pricing-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 32px;
    margin-bottom: 52px;
}

.pricing-head .section-heading {
    margin: 0;
}

.billing-toggle {
    flex: 0 0 auto;
    display: inline-grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    padding: 5px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 999px;
    box-shadow: var(--shadow-sm);
}

.billing-toggle button {
    min-height: 44px;
    padding: 8px 22px;
    color: var(--ink-soft);
    background: transparent;
    border: 0;
    border-radius: 999px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 650;
    white-space: nowrap;
    transition: background-color 180ms ease, color 180ms ease;
}

.billing-toggle button:hover {
    color: var(--navy-800);
}

.billing-toggle button.active {
    color: #fff;
    background: var(--navy-800);
}

.billing-toggle span {
    display: block;
    font-size: 10.5px;
    font-weight: 600;
    opacity: .82;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    align-items: stretch;
}

.price-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 34px 30px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    transition: box-shadow 220ms ease, transform 220ms ease;
}

.price-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.price-card.featured {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(165deg, #012a60 0%, #04173a 100%);
    box-shadow: var(--shadow-lg);
}

.plan-label {
    position: absolute;
    top: 22px;
    right: 22px;
    padding: 6px 12px;
    color: var(--navy-800);
    background: var(--cyan-400);
    border-radius: 999px;
    font-size: 10.5px;
    font-weight: 750;
    letter-spacing: 0.06em;
}

.price-card-head {
    padding-bottom: 24px;
    border-bottom: 1px solid var(--line);
}

.price-card.featured .price-card-head {
    border-bottom-color: rgba(255, 255, 255, .16);
}

.price-card-head > p {
    margin: 0 0 18px;
    color: var(--cyan-600);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.price-card.featured .price-card-head > p {
    color: var(--cyan-400);
}

.price-card-head h3 {
    margin: 0;
    font-size: 40px;
    line-height: 1.05;
    letter-spacing: -0.03em;
}

.price-card-head h3 .unit {
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 0;
}

.price-card-head small {
    display: block;
    margin-top: 12px;
    color: var(--muted);
    font-size: 13.5px;
}

.price-card.featured .price-card-head small {
    color: rgba(214, 228, 244, .74);
}

.price-card ul {
    display: grid;
    gap: 13px;
    margin: 26px 0 32px;
    padding: 0;
    list-style: none;
    font-size: 15px;
}

.price-card li {
    display: grid;
    grid-template-columns: 19px 1fr;
    gap: 11px;
    align-items: start;
    color: var(--ink-soft);
}

.price-card.featured li {
    color: rgba(226, 236, 248, .88);
}

.price-card li svg {
    width: 17px;
    height: 17px;
    margin-top: 4px;
    fill: none;
    stroke: var(--cyan-600);
    stroke-width: 2.4;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.price-card.featured li svg {
    stroke: var(--cyan-400);
}

.price-card .button {
    width: 100%;
    margin-top: auto;
}

/* Hesaplayıcı */
.calculator {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr 0.85fr;
    gap: clamp(28px, 4vw, 56px);
    align-items: center;
    margin-top: 20px;
    padding: 34px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.calculator h3 {
    margin: 0 0 8px;
    font-size: 24px;
}

.calculator p {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
}

.calculator-control label {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 14px;
    font-size: 14px;
    color: var(--muted);
}

.calculator-control strong {
    font-family: "Inter Tight", Inter, sans-serif;
    color: var(--navy-800);
    font-size: 30px;
    letter-spacing: -0.02em;
}

.calculator-control input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 999px;
    background: var(--surface-2);
    cursor: pointer;
}

.calculator-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--navy-800);
    border: 3px solid #fff;
    box-shadow: var(--shadow-sm);
    cursor: grab;
}

.calculator-control input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--navy-800);
    border: 3px solid #fff;
    cursor: grab;
}

.range-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    color: var(--muted);
    font-size: 12px;
}

.calculator-result {
    padding: 22px 24px;
    background: var(--surface);
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
}

.calculator-result > span,
.calculator-result > strong,
.calculator-result > small {
    display: block;
}

.calculator-result > span {
    color: var(--cyan-600);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.calculator-result > strong {
    margin: 8px 0 4px;
    font-family: "Inter Tight", Inter, sans-serif;
    font-size: 28px;
    letter-spacing: -0.02em;
}

.calculator-result > small {
    color: var(--muted);
    font-size: 12.5px;
}

.pricing-note {
    margin: 20px 0 0;
    color: var(--muted);
    font-size: 13.5px;
}

/* ---------- SSS ---------- */

.faq-layout {
    display: grid;
    grid-template-columns: minmax(280px, 0.68fr) minmax(0, 1.32fr);
    gap: clamp(40px, 6vw, 96px);
    align-items: start;
}

.faq-aside .button {
    margin-top: 26px;
}

.faq-list {
    border-top: 1px solid var(--line);
}

.faq-list details {
    border-bottom: 1px solid var(--line);
}

.faq-list summary {
    position: relative;
    padding: 24px 56px 24px 0;
    cursor: pointer;
    list-style: none;
    font-family: "Inter Tight", Inter, sans-serif;
    font-size: 17.5px;
    font-weight: 650;
    letter-spacing: -0.015em;
    transition: color 160ms ease;
}

.faq-list summary:hover {
    color: var(--navy-700);
}

.faq-list summary::-webkit-details-marker {
    display: none;
}

.faq-list summary i {
    position: absolute;
    top: 50%;
    right: 6px;
    width: 30px;
    height: 30px;
    margin-top: -15px;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    transition: background-color 200ms ease, border-color 200ms ease, transform 260ms ease;
}

.faq-list summary i::before,
.faq-list summary i::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 2px;
    margin: -1px 0 0 -6px;
    background: var(--ink);
    transition: opacity 200ms ease, background-color 200ms ease;
}

.faq-list summary i::after {
    transform: rotate(90deg);
}

.faq-list details[open] summary i {
    background: var(--navy-800);
    border-color: var(--navy-800);
    transform: rotate(180deg);
}

.faq-list details[open] summary i::before {
    background: #fff;
}

.faq-list details[open] summary i::after {
    opacity: 0;
}

.faq-list details p {
    max-width: 720px;
    margin: 0;
    padding: 0 56px 28px 0;
    color: var(--muted);
    font-size: 15.5px;
}

/* ---------- Demo / CTA ---------- */

.demo-section {
    color: #fff;
    background:
        radial-gradient(900px 500px at 12% 6%, rgba(0, 159, 199, .2), transparent 60%),
        linear-gradient(160deg, #012a60 0%, #04173a 70%);
    border-bottom: 0;
}

.demo-layout {
    display: grid;
    grid-template-columns: minmax(300px, 0.85fr) minmax(400px, 1.15fr);
    gap: clamp(40px, 5vw, 88px);
    align-items: start;
}

.demo-copy .folio {
    color: var(--cyan-400);
}

.demo-copy h2 {
    margin: 0;
    font-size: clamp(32px, 4vw, 48px);
    line-height: 1.08;
}

.demo-copy > p {
    margin: 24px 0 0;
    color: rgba(214, 228, 244, .8);
    font-size: 17.5px;
}

.demo-copy dl {
    display: grid;
    margin: 40px 0 0;
}

.demo-copy dl div {
    display: grid;
    grid-template-columns: 34px 1fr;
    gap: 16px;
    padding: 16px 0;
    border-top: 1px solid rgba(255, 255, 255, .13);
    align-items: center;
}

.demo-copy dt {
    color: var(--cyan-400);
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.08em;
}

.demo-copy dd {
    margin: 0;
    font-size: 15.5px;
    color: rgba(226, 236, 248, .9);
}

.demo-contact {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 24px;
    margin: 30px 0 0;
    color: rgba(214, 228, 244, .72);
    font-size: 14px;
}

.demo-contact a:hover {
    color: var(--cyan-400);
}

.demo-form {
    display: grid;
    gap: 18px;
    padding: clamp(26px, 3vw, 36px);
    color: var(--ink);
    background: var(--paper);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.form-title {
    margin: 0;
    font-size: 21px;
}

.form-title + p {
    margin: -8px 0 4px;
    color: var(--muted);
    font-size: 14.5px;
}

.field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.demo-form label:not(.consent) {
    display: grid;
    gap: 7px;
    color: var(--ink-soft);
    font-size: 13px;
    font-weight: 650;
}

.demo-form label em {
    font-style: normal;
    font-weight: 400;
    color: var(--muted);
}

.demo-form input,
.demo-form select,
.demo-form textarea {
    width: 100%;
    color: var(--ink);
    background: var(--paper);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

.demo-form input::placeholder,
.demo-form textarea::placeholder {
    color: #9aa8b8;
}

.demo-form input,
.demo-form select {
    min-height: 50px;
    padding: 12px 14px;
}

.demo-form select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235b6b7f' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 18px;
    padding-right: 42px;
}

.demo-form textarea {
    padding: 13px 14px;
    resize: vertical;
    min-height: 96px;
}

.demo-form input:focus,
.demo-form select:focus,
.demo-form textarea:focus {
    outline: none;
    border-color: var(--navy-700);
    box-shadow: 0 0 0 4px rgba(1, 42, 96, .12);
}

.consent {
    display: grid;
    grid-template-columns: 20px 1fr;
    gap: 11px;
    align-items: start;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.5;
}

.consent input {
    width: 18px;
    height: 18px;
    min-height: 0;
    margin: 2px 0 0;
    padding: 0;
    accent-color: var(--navy-800);
}

.submit-button {
    width: 100%;
}

.form-footnote {
    margin: -6px 0 0;
    color: var(--muted);
    font-size: 12.5px;
    text-align: center;
}

.form-message {
    display: grid;
    grid-template-columns: 20px 1fr;
    gap: 11px;
    align-items: start;
    padding: 14px 16px;
    border: 1px solid;
    border-radius: var(--radius-sm);
    font-size: 14.5px;
    font-weight: 550;
}

.form-message svg {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.form-message.success {
    color: #0a5f45;
    border-color: #9fd8c4;
    background: #eefaf5;
}

.form-message.error {
    color: #8c1320;
    border-color: #edb4bb;
    background: #fff2f3;
}

.hp-field {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
}

/* ---------- Footer ---------- */

.site-footer {
    padding: 72px 0 26px;
    color: rgba(214, 228, 244, .72);
    background: #04173a;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.7fr repeat(3, 0.8fr);
    gap: 48px;
    padding-bottom: 52px;
    border-bottom: 1px solid rgba(255, 255, 255, .11);
}

.footer-brand img {
    width: 200px;
    margin-bottom: 20px;
    padding: 10px 14px;
    background: #fff;
    border-radius: 10px;
}

.footer-brand p {
    max-width: 380px;
    margin: 0;
    font-size: 14.5px;
}

.footer-domains {
    display: flex;
    gap: 8px;
    margin-top: 20px;
}

.footer-domains span {
    padding: 6px 13px;
    border: 1px solid rgba(255, 255, 255, .17);
    border-radius: 999px;
    font-size: 12.5px;
}

.footer-col {
    display: grid;
    align-content: start;
    gap: 11px;
    font-size: 14.5px;
}

.footer-col strong {
    margin-bottom: 6px;
    color: #fff;
    font-size: 13px;
    font-weight: 650;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.footer-col a {
    transition: color 160ms ease;
}

.footer-col a:hover {
    color: var(--cyan-400);
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: space-between;
    padding-top: 24px;
    font-size: 13px;
}

.footer-bottom nav {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom a:hover {
    color: var(--cyan-400);
}

/* ---------- Scroll reveal ---------- */

/* Yalnız JS etkinken gizle: script çalışmazsa içerik her koşulda görünür kalır. */
.has-js [data-reveal] {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 620ms cubic-bezier(.16, 1, .3, 1), transform 620ms cubic-bezier(.16, 1, .3, 1);
    transition-delay: var(--reveal-delay, 0ms);
}

.has-js [data-reveal].is-visible {
    opacity: 1;
    transform: none;
}

/* ==========================================================================
   Duyarlı düzen
   ========================================================================== */

@media (max-width: 1120px) {
    .hero-shell {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-visual {
        max-width: 720px;
    }

    .hero-badge {
        left: 16px;
    }

    .feature-grid,
    .security-grid,
    .process-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .process-list li::after {
        display: none;
    }

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

    .calculator-result {
        grid-column: 1 / -1;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 920px) {
    .section-heading.wide {
        grid-template-columns: 1fr;
        gap: 20px;
        align-items: start;
    }

    .pricing-grid,
    .module-layout,
    .faq-layout,
    .demo-layout {
        grid-template-columns: 1fr;
    }

    .sticky-heading {
        position: static;
        margin-bottom: 40px;
    }

    .module-list article {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .pricing-head {
        display: grid;
    }

    .billing-toggle {
        justify-self: start;
    }
}

@media (max-width: 860px) {
    :root {
        --header-height: 68px;
    }

    .shell {
        width: min(calc(100% - 32px), var(--content));
    }

    .brand-link {
        width: 168px;
    }

    .menu-button {
        display: grid;
        place-items: center;
    }

    .main-nav {
        position: fixed;
        inset: var(--header-height) 0 0;
        display: none;
        align-content: start;
        gap: 0;
        padding: 22px 24px 40px;
        background: var(--paper);
        border-top: 1px solid var(--line);
        overflow-y: auto;
    }

    .main-nav.open {
        display: grid;
        animation: navIn 220ms ease;
    }

    @keyframes navIn {
        from { opacity: 0; transform: translateY(-8px); }
        to   { opacity: 1; transform: none; }
    }

    .main-nav a:not(.nav-cta) {
        padding: 18px 4px;
        border-radius: 0;
        border-bottom: 1px solid var(--line);
        font-size: 18px;
        font-weight: 600;
    }

    .main-nav a:not(.nav-cta)::after {
        display: none;
    }

    .nav-cta {
        margin: 24px 0 0;
        padding: 16px 22px;
        text-align: center;
        font-size: 16px;
    }

    .hero-stats .shell {
        grid-template-columns: 1fr 1fr;
    }

    .hero-stats div {
        padding: 22px 20px;
        border-top: 1px solid rgba(255, 255, 255, .11);
    }

    .hero-stats div:nth-child(odd) {
        padding-left: 0;
        border-left: 0;
    }

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

    .photo-band {
        min-height: 560px;
    }

    .photo-band::after {
        background: linear-gradient(0deg, rgba(4, 23, 58, .95) 22%, rgba(4, 23, 58, .55) 68%, rgba(4, 23, 58, .25) 100%);
    }
}

@media (max-width: 620px) {
    body {
        font-size: 16px;
    }

    .hero-visual {
        padding: 7px;
    }

    .hero-badge {
        position: static;
        margin-top: 12px;
        width: 100%;
    }

    .feature-grid,
    .security-grid,
    .process-list,
    .field-row {
        grid-template-columns: 1fr;
    }

    .hero-actions,
    .hero-actions .button {
        width: 100%;
    }

    .calculator,
    .demo-form,
    .price-card,
    .contrast-card {
        padding: 24px 22px;
    }

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

    .proof-strip .shell {
        gap: 14px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    .footer-bottom {
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
    }

    .has-js [data-reveal] {
        opacity: 1;
        transform: none;
    }
}

@media print {
    .site-header, .menu-button, .hero-actions, .demo-form, .site-footer {
        display: none;
    }
}