/* =====================================================================
   CropIT Labs — landing page styles
   Light & clean corporate. Hand-written, no framework.
   ===================================================================== */

/* --- Design tokens --------------------------------------------------- */
:root {
    --color-bg:        #ffffff;
    --color-bg-alt:    #f5f7fb;
    --color-surface:   #ffffff;
    --color-text:      #1e293b;
    --color-muted:     #64748b;
    --color-primary:   #2563eb;
    --color-primary-d: #1d4ed8;
    --color-accent:    #0ea5e9;
    --color-border:    #e2e8f0;

    --radius:    14px;
    --radius-sm: 8px;
    --shadow:    0 1px 3px rgba(15, 23, 42, .08), 0 8px 24px rgba(15, 23, 42, .06);
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, .08);

    --space-1: .25rem;
    --space-2: .5rem;
    --space-3: .75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-24: 6rem;

    --maxw: 1120px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* --- Reset ----------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--font);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; margin: 0; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--space-6); }

.skip-link {
    position: absolute; left: -999px; top: 0; z-index: 100;
    background: var(--color-primary); color: #fff; padding: var(--space-2) var(--space-4);
    border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }

/* --- Brand wordmark -------------------------------------------------- */
.brand {
    font-weight: 800; font-size: 1.35rem; letter-spacing: -.02em;
    color: var(--color-text); white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand__crop { color: var(--color-text); }
.brand__it   { color: var(--color-primary); }
.brand__labs { color: var(--color-text); margin-left: .3em; font-weight: 600; }
.brand--footer { font-size: 1.2rem; }

/* --- Header / nav ---------------------------------------------------- */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255, 255, 255, .85);
    backdrop-filter: saturate(180%) blur(10px);
    border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
    display: flex; align-items: center; justify-content: space-between;
    min-height: 68px; gap: var(--space-4);
}
.nav { display: flex; align-items: center; }
.nav__menu {
    display: flex; align-items: center; gap: var(--space-6);
    list-style: none; margin: 0; padding: 0;
}
.nav__menu a { color: var(--color-text); font-weight: 500; }
.nav__menu a:hover { color: var(--color-primary); text-decoration: none; }
.nav__cta {
    background: var(--color-primary); color: #fff !important;
    padding: var(--space-2) var(--space-4); border-radius: 999px; font-weight: 600;
}
.nav__cta:hover { background: var(--color-primary-d); text-decoration: none; }

.nav__toggle {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: 0; cursor: pointer; padding: 8px;
}
.nav__toggle span {
    display: block; width: 24px; height: 2px; background: var(--color-text);
    transition: transform .25s ease, opacity .25s ease;
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Buttons --------------------------------------------------------- */
.btn {
    display: inline-block; font-weight: 600; font-size: 1rem;
    padding: var(--space-3) var(--space-6); border-radius: 999px;
    cursor: pointer; border: 2px solid transparent; transition: all .2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-d); }
.btn--ghost { background: transparent; color: var(--color-primary); border-color: var(--color-border); }
.btn--ghost:hover { border-color: var(--color-primary); }

/* --- Hero ------------------------------------------------------------ */
.hero {
    position: relative; overflow: hidden;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    padding-block: var(--space-24) var(--space-16);
    text-align: center;
}
.hero__inner { position: relative; z-index: 2; max-width: 760px; }
.hero__eyebrow {
    text-transform: uppercase; letter-spacing: .12em; font-size: .8rem;
    font-weight: 700; color: var(--color-primary); margin: 0 0 var(--space-4);
}
.hero__title { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; letter-spacing: -.02em; }
.hero__accent { color: var(--color-primary); }
.hero__lead { color: var(--color-muted); font-size: 1.15rem; margin: var(--space-6) auto var(--space-8); max-width: 600px; }
.hero__actions { display: flex; gap: var(--space-4); justify-content: center; flex-wrap: wrap; }
.hero__glow {
    position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
    width: 900px; height: 600px; z-index: 1;
    background: radial-gradient(closest-side, rgba(37, 99, 235, .10), transparent 70%);
    pointer-events: none;
}

/* --- Generic section ------------------------------------------------- */
.section { padding-block: var(--space-24); }
.section--alt { background: var(--color-bg-alt); }
.section__head { text-align: center; max-width: 640px; margin: 0 auto var(--space-12); }
.section__eyebrow {
    text-transform: uppercase; letter-spacing: .12em; font-size: .8rem;
    font-weight: 700; color: var(--color-primary); margin: 0 0 var(--space-2);
}
.section__title { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800; letter-spacing: -.02em; }
.section__sub { color: var(--color-muted); font-size: 1.05rem; margin-top: var(--space-3); }

/* --- Service cards --------------------------------------------------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-6); }
.card {
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius); padding: var(--space-8);
    box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card__title { font-size: 1.2rem; margin-bottom: var(--space-3); }
.card__body { color: var(--color-muted); margin: 0; font-size: .98rem; }
.card__icon {
    width: 48px; height: 48px; border-radius: var(--radius-sm); margin-bottom: var(--space-4);
    background-color: var(--color-primary);
    -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
    -webkit-mask-position: center; mask-position: center;
    -webkit-mask-size: 28px; mask-size: 28px;
    background-image: linear-gradient(135deg, #2563eb, #0ea5e9);
}
.card__icon--mobile { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Crect x='7' y='2' width='10' height='20' rx='2'/%3E%3Cline x1='11' y1='18' x2='13' y2='18'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Crect x='7' y='2' width='10' height='20' rx='2'/%3E%3Cline x1='11' y1='18' x2='13' y2='18'/%3E%3C/svg%3E"); }
.card__icon--web { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cline x1='2' y1='12' x2='22' y2='12'/%3E%3Cpath d='M12 2a15 15 0 0 1 0 20a15 15 0 0 1 0-20'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cline x1='2' y1='12' x2='22' y2='12'/%3E%3Cpath d='M12 2a15 15 0 0 1 0 20a15 15 0 0 1 0-20'/%3E%3C/svg%3E"); }
.card__icon--api { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpolyline points='16 18 22 12 16 6'/%3E%3Cpolyline points='8 6 2 12 8 18'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpolyline points='16 18 22 12 16 6'/%3E%3Cpolyline points='8 6 2 12 8 18'/%3E%3C/svg%3E"); }
.card__icon--custom { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M14.7 6.3a4 4 0 0 0-5.4 5.4L3 18v3h3l6.3-6.3a4 4 0 0 0 5.4-5.4l-2.7 2.7-2-2 2.7-2.7'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M14.7 6.3a4 4 0 0 0-5.4 5.4L3 18v3h3l6.3-6.3a4 4 0 0 0 5.4-5.4l-2.7 2.7-2-2 2.7-2.7'/%3E%3C/svg%3E"); }

/* --- Tech stack ------------------------------------------------------ */
.stack { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space-4); list-style: none; margin: 0; padding: 0; }
.stack__item {
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius); padding: var(--space-6);
    display: flex; flex-direction: column; gap: var(--space-1);
    box-shadow: var(--shadow-sm);
}
.stack__name { font-weight: 700; font-size: 1.05rem; color: var(--color-primary); }
.stack__role { color: var(--color-muted); font-size: .92rem; }

/* --- Contact --------------------------------------------------------- */
.contact { display: grid; grid-template-columns: 1fr 1.4fr; gap: var(--space-8); align-items: start; }
.contact__info {
    background: var(--color-bg-alt); border: 1px solid var(--color-border);
    border-radius: var(--radius); padding: var(--space-8);
}
.contact__info h3 { margin-bottom: var(--space-6); font-size: 1.25rem; }
.contact__list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-4); }
.contact__list li { display: flex; flex-direction: column; gap: 2px; }
.contact__label { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--color-muted); font-weight: 600; }

/* --- Form ------------------------------------------------------------ */
.form__row { margin-bottom: var(--space-4); display: flex; flex-direction: column; gap: var(--space-2); }
.form label { font-weight: 600; font-size: .92rem; }
.form input, .form textarea {
    font: inherit; padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-border); border-radius: var(--radius-sm);
    background: #fff; color: var(--color-text); width: 100%; resize: vertical;
}
.form input:focus, .form textarea:focus { border-color: var(--color-primary); outline: none; box-shadow: 0 0 0 3px rgba(37, 99, 235, .15); }
.form__submit { margin-top: var(--space-2); width: 100%; }
.form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.alert { padding: var(--space-4); border-radius: var(--radius-sm); margin-bottom: var(--space-6); font-weight: 500; }
.alert--success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.alert--error   { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* --- Footer ---------------------------------------------------------- */
.site-footer { background: #0f172a; color: #cbd5e1; padding-block: var(--space-12) var(--space-6); margin-top: 0; }
.site-footer a { color: #93c5fd; }
.site-footer__inner { display: flex; justify-content: space-between; gap: var(--space-8); flex-wrap: wrap; padding-bottom: var(--space-8); border-bottom: 1px solid rgba(255,255,255,.1); }
.site-footer .brand__crop, .site-footer .brand__labs { color: #fff; }
.site-footer .brand__it { color: #60a5fa; }
.site-footer__tag { color: #94a3b8; margin: var(--space-2) 0 0; }
.site-footer__legal p { margin: 0 0 var(--space-1); font-size: .92rem; }
.site-footer__copy { padding-top: var(--space-6); }
.site-footer__copy p { margin: 0; font-size: .85rem; color: #94a3b8; }

/* --- Responsive ------------------------------------------------------ */
@media (max-width: 820px) {
    .contact { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
    .nav__toggle { display: flex; }
    .nav__menu {
        position: absolute; top: 68px; left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 0;
        background: #fff; border-bottom: 1px solid var(--color-border);
        padding: var(--space-2) var(--space-6) var(--space-6);
        box-shadow: var(--shadow); display: none;
    }
    .nav__menu.is-open { display: flex; }
    .nav__menu li { padding: var(--space-2) 0; border-bottom: 1px solid var(--color-border); }
    .nav__menu li:last-child { border-bottom: 0; padding-top: var(--space-4); }
    .nav__cta { text-align: center; }
    .section, .hero { padding-block: var(--space-16); }
}

@media (prefers-reduced-motion: reduce) {
    * { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}