/* =========================================================
   WA4TECHSOS
   GLOBAL STYLES
   Shared by every page
========================================================= */


/* =========================================================
   VARIABLES
========================================================= */

:root {
    --bg: #0f1613;
    --bg-secondary: #131c18;
    --bg-card: #17211c;

    --accent: #c97d42;
    --accent-light: #e0a066;

    --white: #f1eee6;
    --text: #c4c9c2;
    --muted: #7c8580;

    --border: rgba(241, 238, 230, 0.08);

    --max-width: 1400px;

    --nav-height: 82px;

    --radius: 24px;
    --radius-small: 14px;

    --transition: 0.3s ease;

    --font-display: "Space Grotesk", sans-serif;
    --font-body: "Inter", sans-serif;
    --font-mono: "JetBrains Mono", monospace;
}


/* =========================================================
   RESET
========================================================= */

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;

    scrollbar-width: thin;
    scrollbar-color: #252c36 var(--bg);
}

body {
    min-height: 100vh;

    background: var(--bg);
    color: var(--white);

    font-family: var(--font-body);

    overflow-x: hidden;

    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-display);
}

img {
    max-width: 100%;
}

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

button {
    color: inherit;
}

a {
    color: inherit;
}

::selection {
    background: var(--accent);
    color: var(--white);
}


/* =========================================================
   SCROLLBAR
========================================================= */

/* Chrome / Edge / Safari */

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: #252c36;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}


/* =========================================================
   NAVBAR
========================================================= */

.navbar {
    position: fixed;

    top: 0;
    left: 0;

    width: 100%;
    height: var(--nav-height);

    z-index: 1000;

    background: rgba(15, 22, 19, 0.8);

    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);

    border-bottom: 1px solid var(--border);
}


/* Navbar container */

.nav-container {
    width: min(90%, var(--max-width));
    height: 100%;

    margin: 0 auto;

    position: relative;

    display: flex;
    align-items: center;
}


/* =========================================================
   LOGO
========================================================= */

.logo {
    display: flex;
    align-items: center;

    width: 145px;
    height: 100%;

    flex-shrink: 0;

    text-decoration: none;
}

.logo img {
    display: block;

    width: 125px;
    height: auto;

    scale: 0.6;

    object-fit: contain;
}


/* =========================================================
   NAVIGATION LINKS
========================================================= */

.nav-links {
    display: flex;
    align-items: center;

    gap: 30px;

    height: 100%;

    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-links a {
    position: relative;

    display: flex;
    align-items: center;

    height: 100%;

    color: var(--text);

    text-decoration: none;

    font-size: 0.82rem;
    font-weight: 500;

    white-space: nowrap;

    transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--white);
}


/* Blue underline */

.nav-links a:not(.nav-cta)::after {
    content: "";

    position: absolute;

    left: 0;
    bottom: 17px;

    width: 100%;
    height: 2px;

    background: var(--accent);

    transform: scaleX(0);
    transform-origin: center;

    transition: transform var(--transition);
}

.nav-links a:not(.nav-cta):hover::after,
.nav-links a:not(.nav-cta).active::after {
    transform: scaleX(1);
}


/* =========================================================
   NAV CTA
========================================================= */

.nav-cta {
    display: inline-flex;

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

    flex-shrink: 0;

    margin-left: auto;

    height: 38px;

    padding: 0 18px;

    border-radius: 8px;

    background: var(--accent);

    color: var(--white);

    text-decoration: none;

    font-size: 0.76rem;
    font-weight: 600;

    white-space: nowrap;

    transition:
        background var(--transition),
        transform var(--transition);
}

.nav-cta:hover {
    background: var(--accent-light);

    color: var(--white);

    transform: translateY(-2px);
}


/* =========================================================
   MOBILE MENU BUTTON
========================================================= */

.menu-toggle {
    display: none;

    width: 42px;
    height: 42px;

    padding: 0;

    border: 0;
    background: transparent;

    cursor: pointer;

    position: relative;

    z-index: 1001;
}

.menu-toggle span {
    display: block;

    width: 24px;
    height: 2px;

    margin: 5px auto;

    background: var(--white);

    border-radius: 2px;

    transition: transform 0.3s ease, opacity 0.3s ease;
}


/* Hamburger → X */

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}


/* =========================================================
   SHARED SECTION LABEL
========================================================= */

.section-label {
    display: flex;
    align-items: center;

    gap: 10px;

    color: var(--muted);

    font-size: 0.85rem;
    font-weight: 500;

    letter-spacing: 0.01em;
}

.section-label::before {
    content: "";

    width: 6px;
    height: 6px;

    flex-shrink: 0;

    background: var(--accent);
}

.section-label p {
    margin: 0;
}


/* =========================================================
   BUTTONS
========================================================= */

.btn {
    display: inline-flex;

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

    min-height: 48px;

    padding: 0 24px;

    border-radius: 999px;

    text-decoration: none;

    font-size: 0.8rem;
    font-weight: 700;

    transition:
        background var(--transition),
        color var(--transition),
        border-color var(--transition),
        transform var(--transition);
}

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


/* Primary */

.btn-primary {
    background: var(--accent);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--accent-light);
}


/* Secondary */

.btn-secondary {
    border: 1px solid var(--border);

    background: rgba(255, 255, 255, 0.03);

    color: var(--white);
}

.btn-secondary:hover {
    border-color: rgba(255, 255, 255, 0.18);

    background: rgba(255, 255, 255, 0.07);
}


/* =========================================================
   GLOBAL FADE ANIMATION
========================================================= */

.fade-hidden {
    opacity: 0;

    transform: translateY(16px);
}

.fade-in {
    opacity: 1;

    transform: translateY(0);

    transition:
        opacity 0.6s ease,
        transform 0.6s ease;
}


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

.footer {
    margin-top: 0;

    background: var(--bg-secondary);

    border-top: 1px solid var(--border);
}

.footer-container {
    width: min(90%, var(--max-width));

    margin: 0 auto;

    padding: 80px 0;

    display: grid;

    grid-template-columns: 1fr 1.5fr;

    gap: 80px;
}


/* Footer brand */

.footer-brand img {
    display: block;

    width: 180px;
    height: auto;

    max-height: 80px;

    object-fit: contain;

    margin-bottom: 25px;
}

.footer-brand p {
    max-width: 350px;

    color: var(--muted);

    font-size: 0.9rem;

    line-height: 1.7;
}


/* Footer links */

.footer-links {
    display: grid;

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

    gap: 40px;
}

.footer-links > div {
    display: flex;
    flex-direction: column;

    align-items: flex-start;
}

.footer-links h4 {
    margin-bottom: 20px;

    color: var(--white);

    font-size: 0.8rem;

    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.footer-links a,
.footer-links span {
    margin-bottom: 11px;

    color: var(--muted);

    text-decoration: none;

    font-size: 0.82rem;

    line-height: 1.5;

    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--white);
}


/* Footer bottom */

.footer-bottom {
    width: min(90%, var(--max-width));

    margin: 0 auto;

    padding: 25px 0;

    border-top: 1px solid var(--border);
}

.footer-bottom p {
    color: var(--muted);

    font-size: 0.72rem;
}


/* =========================================================
   MOBILE NAVIGATION
========================================================= */

@media (max-width: 1100px) {

    .nav-container {
        width: 100%;
    }

    .logo {
        width: 125px;
    }

    .logo img {
        scale: 0.6;
    }

    .nav-links {
        gap: 20px;
    }

    .nav-links a {
        font-size: 0.76rem;
    }

    .nav-cta {
        height: 36px;
        padding: 0 16px;

        font-size: 0.73rem;
    }
}


/* =========================================================
   MOBILE
========================================================= */

@media (max-width: 700px) {

    :root {
        --nav-height: 72px;
    }


    /* Navbar */

    .navbar {
        height: var(--nav-height);
    }

    .nav-container {
        width: 100%;
    }

    .logo {
        width: 120px;
    }

    .logo img {
        scale: 0.6;
    }


    /* Hamburger */

    .menu-toggle {
        display: block;
    }


    /* Mobile dropdown */

    .nav-links {
        position: absolute;

        top: var(--nav-height);
        left: 0;

        transform: none;

        width: 100%;

        height: auto;

        max-height: 0;

        overflow: hidden;

        opacity: 0;

        display: flex;

        flex-direction: column;

        align-items: stretch;

        gap: 0;

        background: rgba(15, 22, 19, 0.98);

        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);

        border-bottom: 1px solid var(--border);

        transition:
            max-height 0.4s ease,
            opacity 0.25s ease;
    }

    .nav-links.active {
        max-height: 500px;

        opacity: 1;
    }


    /* Mobile links */

    .nav-links a {
        width: 100%;
        height: auto;

        justify-content: center;

        padding: 18px 20px;

        font-size: 0.85rem;
    }

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


    /* Mobile CTA */

    .nav-cta {
        height: 40px;
        padding: 0 15px;

        margin-right: 8px;

        font-size: 0.72rem;
    }

    /* Footer */

    .footer-container {
        grid-template-columns: 1fr;

        gap: 50px;

        padding: 60px 0;
    }

    .footer-links {
        grid-template-columns: 1fr 1fr;

        gap: 40px 25px;
    }

}


/* =========================================================
   SMALL MOBILE
========================================================= */

@media (max-width: 400px) {

    .logo img {
        width: 115px;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

}