:root {
    --bg-main: #f5f5f7;
    --bg-alt: #ffffff;
    --bg-card: #ffffff;
    --accent: #ff7a1a;
    --accent-soft: rgba(255, 122, 26, 0.09);
    --border-soft: rgba(15, 23, 42, 0.08);
    --text-main: #111827;
    --text-muted: #4b5563;
    --text-soft: #6b7280;
    --error: #dc2626;
    --font-main: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-pill: 999px;
    --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.12);
    --shadow-chip: 0 10px 25px rgba(249, 115, 22, 0.45);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: radial-gradient(circle at top, #fff7ed 0, #f5f5f7 45%, #e5e7eb 100%);
    color: var(--text-main);
    line-height: 1.6;
}

/* CONTAINER */
.container {
    width: min(1200px, 100% - 3rem);
    margin: 0 auto;
}

/* HEADER */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(18px);
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 0;
    gap: 1rem;
}

/* LOGO */
.logo a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-main);
}

.logo__icon {
    width: 44px;
    height: 44px;
    border-radius: 16px;
    background: radial-gradient(circle at 30% 20%, #fff7ed, #ffb46b 60%, #f97316 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-chip);
}

.logo__icon i {
    font-size: 1.3rem;
    color: #7c2d12;
}

.logo__text {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    line-height: 1.1;
}

.logo__text small {
    display: block;
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--text-soft);
}

/* NAV */
.nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav a {
    text-decoration: none;
    color: var(--text-soft);
    font-size: 0.9rem;
    position: relative;
    padding-bottom: 0.2rem;
    transition: color 0.2s ease;
}

.nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.15rem;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #f97316, #fed7aa);
    border-radius: 999px;
    transition: width 0.25s ease;
}

.nav a:hover,
.nav a:focus-visible {
    color: var(--text-main);
}

.nav a:hover::after,
.nav a:focus-visible::after {
    width: 100%;
}

/* HEADER CTA */
.header__cta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* BUTTONS */
.btn {
    border: none;
    outline: none;
    font: inherit;
    cursor: pointer;
    border-radius: var(--radius-pill);
    padding: 0.7rem 1.4rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.25s ease, color 0.25s ease;
    white-space: nowrap;
}

.btn i {
    font-size: 0.9rem;
}

.btn--primary {
    background: linear-gradient(135deg, #f97316, #fb923c);
    color: #fff;
    box-shadow: 0 12px 30px rgba(249, 115, 22, 0.5);
    font-weight: 600;
}

.btn--primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 40px rgba(249, 115, 22, 0.6);
}

.btn--outline {
    border: 1px solid rgba(249, 115, 22, 0.3);
    color: #c2410c;
    background: #fff7ed;
}

.btn--outline:hover {
    background: #fed7aa;
}

.btn--ghost {
    border: 1px solid rgba(15, 23, 42, 0.08);
    color: var(--text-main);
    background: #ffffff;
}

.btn--ghost:hover {
    background: #fef3c7;
}

.btn--full {
    width: 100%;
}

/* NAV TOGGLE (MOBILE) */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 0.18rem;
    width: 2.3rem;
    height: 2.3rem;
    border-radius: 999px;
    border: 1px solid rgba(15, 23, 42, 0.12);
    background: #ffffff;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 60%;
    height: 2px;
    background-color: #111827;
    border-radius: 999px;
    margin: 0 auto;
    transition: transform 0.2s ease, opacity 0.2s ease, width 0.2s ease;
}

/* HERO */
.hero {
    padding: 4.2rem 0 4rem;
    background: radial-gradient(circle at top, #fffbeb 0, #fef3c7 30%, #f5f5f7 80%);
}

.hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.1fr);
    gap: 3.5rem;
    align-items: center;
}

.hero__content h1 {
    font-size: clamp(2.4rem, 3.2vw, 3rem);
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero__content h1 span {
    background: linear-gradient(135deg, #f97316, #facc15);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero__content p {
    color: var(--text-muted);
    max-width: 32rem;
    margin-bottom: 1.8rem;
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero__highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.hero__highlight {
    padding: 0.9rem 1.1rem;
    border-radius: var(--radius-md);
    background: #ffffff;
    border: 1px solid rgba(249, 115, 22, 0.2);
    min-width: 7rem;
    box-shadow: 0 12px 30px rgba(249, 115, 22, 0.1);
}

.hero__number {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
}

.hero__label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-soft);
}

/* HERO RIGHT */
.hero__image {
    display: flex;
    justify-content: flex-end;
}

.hero__card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(249, 115, 22, 0.2);
    max-width: 350px;
    position: relative;
    overflow: hidden;
}

.hero__card::before {
    content: "";
    position: absolute;
    inset: -40%;
    background: radial-gradient(circle at top, rgba(249, 115, 22, 0.14), transparent 60%);
    pointer-events: none;
}

.hero__card h3 {
    position: relative;
    z-index: 1;
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.hero__card ul {
    position: relative;
    z-index: 1;
    list-style: none;
    margin-bottom: 1.3rem;
    color: var(--text-soft);
    font-size: 0.9rem;
}

.hero__card li {
    margin-bottom: 0.35rem;
}

.hero__call {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    border-radius: var(--radius-pill);
    padding: 0.7rem 1rem;
    background: #111827;
    color: #fef3c7;
    font-size: 0.9rem;
    border: 1px solid rgba(15, 23, 42, 0.8);
}

.hero__call i {
    color: #f97316;
}

.badge {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.75rem;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 1.1rem;
}

.badge--gold {
    background: #fff7ed;
    color: #c2410c;
    border: 1px solid rgba(249, 115, 22, 0.4);
}

/* SECTIONS */
section {
    padding: 4rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.section-header--left {
    text-align: left;
}

.section-header h2 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.section-header p {
    color: var(--text-muted);
    max-width: 36rem;
    margin: 0 auto;
}

/* GRID */
.grid {
    display: grid;
    gap: 1.9rem;
}

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

/* CARDS */
.card,
.system-card,
.app-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.6rem 1.5rem;
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.card::before,
.system-card::before,
.app-card::before {
    content: "";
    position: absolute;
    inset: -30%;
    background: radial-gradient(circle at top, var(--accent-soft), transparent 55%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover::before,
.system-card:hover::before,
.app-card:hover::before {
    opacity: 1;
}

.card__icon {
    width: 40px;
    height: 40px;
    border-radius: 16px;
    background: var(--accent-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.9rem;
}

.card__icon i {
    color: var(--accent);
}

.card h3,
.system-card h3,
.app-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.6rem;
}

.card p,
.system-card p,
.app-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.9rem;
}

.card__list {
    list-style: none;
    font-size: 0.85rem;
    color: var(--text-soft);
}

.card__list li {
    margin-bottom: 0.2rem;
}

.system-card ul,
.app-card ul {
    list-style: none;
    font-size: 0.87rem;
    color: var(--text-soft);
}

.system-card li,
.app-card li {
    margin-bottom: 0.25rem;
}

/* APPLICATIONS */
.applications {
    background: #fefce8;
}

/* PROCESS */
.process {
    background: #ffffff;
}

.process__timeline {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
}

.process__step {
    position: relative;
    background: #f9fafb;
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.4rem 1.4rem;
    border: 1px solid var(--border-soft);
}

.process__index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 12px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.9rem;
}

/* ABOUT */
.about {
    background: #ffffff;
}

.about__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: center;
}

.about__content p {
    color: var(--text-muted);
    margin-bottom: 0.9rem;
    font-size: 0.95rem;
}

.about__list {
    list-style: none;
    margin-top: 0.5rem;
}

.about__list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-soft);
    margin-bottom: 0.35rem;
}

.about__list i {
    color: var(--accent);
    font-size: 0.85rem;
}

.about__highlights {
    display: grid;
    gap: 1rem;
}

.about__stat {
    background: #f9fafb;
    border-radius: var(--radius-lg);
    padding: 1.2rem 1.3rem;
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-soft);
}

.about__number {
    display: block;
    font-size: 1.4rem;
    font-weight: 600;
}

.about__label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-soft);
}

/* CONTACT */
.contact {
    background: #f9fafb;
}

.contact__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.1fr);
    gap: 3rem;
    align-items: flex-start;
}

.contact__details {
    margin-top: 1rem;
    display: grid;
    gap: 1rem;
}

.contact__item {
    display: flex;
    gap: 0.9rem;
    align-items: flex-start;
}

.contact__item i {
    margin-top: 0.1rem;
    color: var(--accent);
    font-size: 1.1rem;
}

.contact__item h3 {
    font-size: 0.95rem;
    margin-bottom: 0.15rem;
}

.contact__item p,
.contact__item a {
    font-size: 0.9rem;
    color: var(--text-soft);
    text-decoration: none;
}

.contact__tags {
    margin-top: 1.2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    font-size: 0.8rem;
    border-radius: var(--radius-pill);
    padding: 0.3rem 0.7rem;
    background: #ffffff;
    border: 1px solid rgba(148, 163, 184, 0.5);
    color: var(--text-soft);
}

/* FORM */
.contact__form-wrapper {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 1.8rem 1.6rem;
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-soft);
}

.contact__form {
    display: grid;
    gap: 1rem;
}

.form__group {
    display: grid;
    gap: 0.4rem;
}

.form__group label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

input,
textarea {
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.6);
    background: #f9fafb;
    padding: 0.6rem 0.75rem;
    font: inherit;
    color: var(--text-main);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

input:focus,
textarea:focus {
    border-color: rgba(249, 115, 22, 0.9);
    box-shadow: 0 0 0 1px rgba(249, 115, 22, 0.35);
    background: #ffffff;
}

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

.form__note {
    font-size: 0.75rem;
    color: var(--text-soft);
    margin-top: -0.3rem;
}

.form__success {
    font-size: 0.8rem;
    color: #15803d;
}

/* FOOTER */
.footer {
    border-top: 1px solid rgba(15, 23, 42, 0.06);
    padding: 1.8rem 0 2rem;
    background: #ffffff;
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.footer__left p {
    font-size: 0.8rem;
    color: var(--text-soft);
}

.footer__keywords {
    margin-top: 0.25rem;
    max-width: 450px;
}

.back-to-top {
    text-decoration: none;
    font-size: 0.85rem;
    color: var(--text-soft);
    border-radius: var(--radius-pill);
    border: 1px solid rgba(148, 163, 184, 0.7);
    padding: 0.45rem 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: #f9fafb;
}

.back-to-top:hover {
    color: var(--accent);
    border-color: rgba(249, 115, 22, 0.6);
}

/* QUICK CONTACT (SABİT ARAMA + WHATSAPP) */
.quick-contact {
    position: fixed;
    right: 1.5rem;
    bottom: 1.5rem;
    z-index: 150;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.quick-contact__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 0.9rem;
    border-radius: 999px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: 0 14px 35px rgba(15, 23, 42, 0.3);
    color: #ffffff;
}

.quick-contact__btn i {
    font-size: 1rem;
}

.quick-contact__btn--call {
    background: linear-gradient(135deg, #f97316, #ea580c);
}

.quick-contact__btn--whatsapp {
    background: linear-gradient(135deg, #22c55e, #16a34a);
}

.quick-contact__btn span {
    display: inline-block;
}

/* RESPONSIVE */
@media (max-width: 992px) {
    .hero__inner {
        grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
        gap: 2.5rem;
    }

    .process__timeline {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid--3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .about__inner,
    .contact__inner {
        grid-template-columns: 1fr;
    }

    .about__inner {
        gap: 2rem;
    }

    .contact__inner {
        gap: 2.2rem;
    }
}

@media (max-width: 768px) {
    .header__inner {
        padding: 0.75rem 0;
    }

    .nav {
        position: absolute;
        inset: 60px 0 auto;
        background: #ffffff;
        border-bottom: 1px solid rgba(15, 23, 42, 0.06);
        padding: 0.75rem 1.5rem 1.1rem;
        transform: translateY(-120%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.2s ease, opacity 0.2s ease;
    }

    .nav ul {
        flex-direction: column;
        gap: 0.75rem;
    }

    .nav--open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .header__cta .btn--outline {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding-top: 3.2rem;
    }

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

    .hero__image {
        justify-content: flex-start;
    }

    .hero__card {
        max-width: 100%;
    }

    .grid--3 {
        grid-template-columns: 1fr;
    }

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

    .footer__inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .quick-contact {
        right: 1rem;
        bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        width: min(100% - 2rem);
    }

    .hero__cta {
        flex-direction: column;
        align-items: stretch;
    }

    .hero__highlight {
        flex: 1 1 40%;
    }

    .quick-contact__btn span {
        display: none; /* Mobile'da sadece ikon göster */
    }

    .quick-contact__btn {
        padding: 0.6rem;
        justify-content: center;
        border-radius: 999px;
    }
}

/* NAV TOGGLE ANIMATION */
.nav-toggle--open span:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
    width: 70%;
}

.nav-toggle--open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle--open span:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
    width: 70%;
}

/* UTILS */
::selection {
    background: rgba(249, 115, 22, 0.2);
    color: #111827;
}