/* ============================================================
   Aleen — styles.css
   80s Sputnik futurism × 90s UN optimism.
   All colors defined up top as custom properties for easy review.
   ============================================================ */

:root {
    /* --- Color tokens --------------------------------------- */
    /* Deep space navy — primary dark surface */
    --color_space_navy:        #0b1530;
    --color_space_navy_deep:   #060d22;
    --color_space_navy_soft:   #16234a;

    /* Signal green — the bright accent (used sparingly, hero moments) */
    --color_signal_green:      #00c853;
    --color_signal_green_soft: #7bffb0;

    /* Horizon teal — secondary accent (links, highlights) */
    --color_horizon_teal:      #2dd4c8;

    /* Orbital amber — tertiary accent (warnings, small marks) */
    --color_orbital_amber:     #ffb84d;

    /* UN paper — light surfaces and editorial sections */
    --color_un_paper:          #f7f5ef;
    --color_un_paper_soft:     #efece2;
    --color_un_paper_deep:     #e3dfd2;

    /* Ink — text on light surfaces */
    --color_ink:               #1a2340;
    --color_ink_soft:          #4a5474;

    /* Starlight — text on dark surfaces */
    --color_starlight:         #eef1fa;
    --color_starlight_soft:    #a9b3d4;

    /* Borders */
    --color_border_dark:       rgba(238, 241, 250, 0.14);
    --color_border_light:      rgba(26, 35, 64, 0.14);

    /* --- Typography ------------------------------------------ */
    --font_heading: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
    --font_body: "Inter", "Segoe UI", system-ui, sans-serif;

    /* --- Spacing / radius / motion ---------------------------- */
    --space_unit: 0.5rem;
    --radius_card: 14px;
    --radius_pill: 999px;
    --transition_speed: 220ms;
}

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

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font_body);
    color: var(--color_ink);
    background: var(--color_un_paper);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color_space_navy); }

h1, h2, h3, h4 {
    font-family: var(--font_heading);
    line-height: 1.15;
    letter-spacing: -0.015em;
    margin: 0 0 var(--space-unit);
}

.container {
    width: min(1120px, 100% - 2 * var(--space-unit) * 2);
    margin-inline: auto;
}

.skip_link {
    position: absolute;
    left: -9999px;
    background: var(--color_signal_green);
    color: var(--color_space_navy_deep);
    padding: var(--space_unit) calc(var(--space_unit) * 2);
    border-radius: var(--radius_pill);
    z-index: 100;
}
.skip_link:focus { left: var(--space_unit); top: var(--space_unit); }

/* --- Masthead ------------------------------------------------ */
.site_header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: color-mix(in srgb, var(--color_space_navy_deep) 88%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color_border_dark);
}

.site_header_inner {
    display: flex;
    align-items: center;
    gap: calc(var(--space_unit) * 3);
    padding-block: calc(var(--space_unit) * 1.5);
}

.brand { display: inline-flex; align-items: center; }

.brand_logo { height: 38px; width: auto; }

.site_nav { margin-left: auto; }

.site_nav_list {
    display: flex;
    gap: calc(var(--space_unit) * 3);
    list-style: none;
    margin: 0;
    padding: 0;
}

.site_nav_link {
    color: var(--color_starlight_soft);
    text-decoration: none;
    font-weight: 500;
    padding-block: var(--space-unit);
    border-bottom: 2px solid transparent;
    transition: color var(--transition_speed), border-color var(--transition_speed);
}

.site_nav_link:hover,
.site_nav_link.is_active {
    color: var(--color_starlight);
    border-bottom-color: var(--color_signal_green);
}

.header_tools {
    display: flex;
    align-items: center;
    gap: calc(var(--space_unit) * 2);
}

.language_switch {
    display: inline-flex;
    gap: var(--space-unit);
    background: var(--color_space_navy_soft);
    border: 1px solid var(--color_border_dark);
    border-radius: var(--radius_pill);
    padding: 2px;
}

.language_option {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--radius_pill);
    text-decoration: none;
    color: var(--color_starlight_soft);
    font-size: 0.85rem;
    font-weight: 600;
    transition: background var(--transition_speed), color var(--transition_speed);
}

.language_option.is_active {
    background: var(--color_signal_green);
    color: var(--color_space_navy_deep);
}

.language_option img { border-radius: 2px; }

/* Mobile nav toggle */
.nav_toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 0;
    padding: var(--space-unit);
    cursor: pointer;
}

.nav_toggle_bar {
    width: 22px;
    height: 2px;
    background: var(--color_starlight);
    transition: transform var(--transition_speed), opacity var(--transition_speed);
}

.nav_toggle[aria-expanded="true"] .nav_toggle_bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav_toggle[aria-expanded="true"] .nav_toggle_bar:nth-child(2) { opacity: 0; }
.nav_toggle[aria-expanded="true"] .nav_toggle_bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Hero ----------------------------------------------------- */
.hero {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse 60% 45% at 75% 20%, rgba(0, 200, 83, 0.16), transparent 65%),
        radial-gradient(ellipse 50% 40% at 20% 80%, rgba(45, 212, 200, 0.10), transparent 60%),
        linear-gradient(180deg, var(--color_space_navy_deep) 0%, var(--color_space_navy) 100%);
    color: var(--color_starlight);
    padding-block: calc(var(--space_unit) * 14);
}

.hero_inner {
    max-width: 780px;
    margin-inline: auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero_kicker {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color_signal_green_soft);
    border: 1px solid rgba(0, 200, 83, 0.4);
    border-radius: var(--radius_pill);
    padding: 6px 18px;
    margin-bottom: calc(var(--space_unit) * 3);
}

.hero_title {
    font-size: clamp(2.4rem, 6vw, 4rem);
    margin-bottom: calc(var(--space_unit) * 3);
}

.hero_title .accent { color: var(--color_signal_green); }

.hero_lead {
    font-size: 1.15rem;
    color: var(--color_starlight_soft);
    max-width: 620px;
    margin-inline: auto calc(var(--space-unit) * 4);
}

.hero_actions {
    display: flex;
    gap: calc(var(--space_unit) * 2);
    justify-content: center;
    margin-top: calc(var(--space_unit) * 5);
    flex-wrap: wrap;
}

/* Decorative starfield + orbit ring (pure CSS, no assets) */
.hero_starfield {
    position: absolute;
    inset: 0;
    z-index: 1;
    background-image:
        radial-gradient(1px 1px at 12% 30%, rgba(255,255,255,0.8) 50%, transparent 51%),
        radial-gradient(1px 1px at 34% 68%, rgba(255,255,255,0.55) 50%, transparent 51%),
        radial-gradient(1.5px 1.5px at 58% 22%, rgba(255,255,255,0.75) 50%, transparent 51%),
        radial-gradient(1px 1px at 71% 55%, rgba(255,255,255,0.5) 50%, transparent 51%),
        radial-gradient(1px 1px at 86% 74%, rgba(255,255,255,0.65) 50%, transparent 51%),
        radial-gradient(1.5px 1.5px at 44% 44%, rgba(123, 255, 176, 0.6) 50%, transparent 51%),
        radial-gradient(1px 1px at 92% 18%, rgba(255,255,255,0.5) 50%, transparent 51%),
        radial-gradient(1px 1px at 22% 88%, rgba(255,255,255,0.45) 50%, transparent 51%);
    pointer-events: none;
}

.hero_orbit {
    position: absolute;
    right: -160px;
    top: 50%;
    width: 480px;
    height: 480px;
    margin-top: -240px;
    border: 1px solid rgba(0, 200, 83, 0.25);
    border-radius: 50%;
    z-index: 1;
    animation: orbit_spin 48s linear infinite;
    pointer-events: none;
}

.hero_orbit::before {
    content: "";
    position: absolute;
    top: -6px;
    left: 50%;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color_signal_green);
    box-shadow: 0 0 14px var(--color_signal_green);
}

.hero_orbit--inner {
    width: 340px;
    height: 340px;
    right: -90px;
    margin-top: -170px;
    border-color: rgba(45, 212, 200, 0.2);
    animation-duration: 32s;
    animation-direction: reverse;
}
.hero_orbit--inner::before { background: var(--color_horizon_teal); box-shadow: 0 0 12px var(--color_horizon_teal); }

@keyframes orbit_spin {
    to { transform: rotate(360deg); }
}

/* --- Buttons --------------------------------------------------- */
.button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 26px;
    border-radius: var(--radius_pill);
    font-weight: 600;
    font-family: var(--font_heading);
    text-decoration: none;
    border: 1px solid transparent;
    transition: transform var(--transition_speed), box-shadow var(--transition_speed),
                background var(--transition_speed), color var(--transition_speed);
    cursor: pointer;
}

.button--primary {
    background: var(--color_signal_green);
    color: var(--color_space_navy_deep);
    box-shadow: 0 4px 24px rgba(0, 200, 83, 0.35);
}
.button--primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0, 200, 83, 0.45); }

.button--ghost {
    background: transparent;
    color: var(--color_starlight);
    border-color: var(--color_border_dark);
}
.button--ghost:hover { border-color: var(--color_signal_green); color: var(--color_signal_green_soft); }

.button--light {
    background: var(--color_space_navy);
    color: var(--color_starlight);
}
.button--light:hover { transform: translateY(-2px); }

/* --- Sections --------------------------------------------------- */
.section { padding-block: calc(var(--space_unit) * 10); }

.section--dark {
    background: var(--color_space_navy);
    color: var(--color_starlight);
}

.section--deep {
    background: var(--color_space_navy_deep);
    color: var(--color_starlight);
}

.section_head { max-width: 640px; margin-bottom: calc(var(--space_unit) * 6); }

.section_kicker {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color_horizon_teal);
    margin-bottom: var(--space-unit);
}

.section--dark .section_kicker,
.section--deep .section_kicker { color: var(--color_signal_green_soft); }

.section_title { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }

.section_lead { color: var(--color_ink_soft); font-size: 1.05rem; }

.section--dark .section_lead,
.section--deep .section_lead { color: var(--color_starlight_soft); }

/* --- Cards ------------------------------------------------------ */
.card_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: calc(var(--space_unit) * 4);
}

.card {
    background: #ffffff;
    border: 1px solid var(--color_border_light);
    border-radius: var(--radius_card);
    padding: calc(var(--space_unit) * 5);
    transition: transform var(--transition_speed), box-shadow var(--transition_speed);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 34px rgba(11, 21, 48, 0.12);
}

.section--dark .card,
.section--deep .card {
    background: var(--color_space_navy_soft);
    border-color: var(--color_border_dark);
}

.card_glyph {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(0, 200, 83, 0.12);
    color: var(--color_space_navy);
    margin-bottom: var(--space-unit);
    font-family: var(--font_heading);
    font-weight: 700;
}

.section--dark .card_glyph,
.section--deep .card_glyph { color: var(--color_signal_green); }

.card_title { font-size: 1.1rem; margin-bottom: calc(var(--space-unit) * 1.5); }

.card_text { margin: 0; font-size: 0.95rem; }
.section--dark .card_text,
.section--deep .card_text { color: var(--color_starlight_soft); }

/* --- CTA band ----------------------------------------------------- */
.cta_band {
    text-align: center;
    padding-block: calc(var(--space_unit) * 10);
}

.cta_band .hero_title { font-size: clamp(1.8rem, 4vw, 2.6rem); }

/* --- Timeline (projects) ------------------------------------------ */
.timeline {
    list-style: none;
    margin: 0;
    padding: 0;
    position: relative;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 11px;
    top: 6px;
    bottom: 6px;
    width: 2px;
    background: linear-gradient(var(--color_signal_green), var(--color_horizon_teal));
    opacity: 0.5;
}

.timeline_item {
    position: relative;
    padding-left: calc(var(--space_unit) * 6);
    margin-bottom: calc(var(--space_unit) * 6);
}

.timeline_item::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 6px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color_space_navy);
    border: 3px solid var(--color_signal_green);
    box-shadow: 0 0 10px rgba(0, 200, 83, 0.5);
}

.timeline_years {
    font-family: var(--font_heading);
    font-weight: 700;
    color: var(--color_signal_green_soft);
    font-size: 0.9rem;
    letter-spacing: 0.08em;
}

.timeline_title { margin: var(--space-unit) 0; font-size: 1.15rem; }

.timeline_text { margin: 0; color: var(--color_starlight_soft); font-size: 0.97rem; }

/* --- Phases (methodology) ------------------------------------------ */
.phase_list {
    counter-reset: phase_counter;
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: calc(var(--space_unit) * 3);
}

.phase_item {
    counter-increment: phase_counter;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: calc(var(--space_unit) * 3);
    align-items: start;
    background: var(--color_space_navy_soft);
    border: 1px solid var(--color_border_dark);
    border-radius: var(--radius_card);
    padding: calc(var(--space_unit) * 4);
}

.phase_number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color_signal_green);
    color: var(--color_space_navy_deep);
    font-family: var(--font_heading);
    font-weight: 700;
    font-size: 1.1rem;
}

.phase_number::before { content: counter(phase_counter); }

.phase_title { margin: 0 0 calc(var(--space-unit) * 1); font-size: 1.08rem; color: var(--color_starlight); }

.phase_text { margin: 0; color: var(--color_starlight_soft); font-size: 0.95rem; }

/* --- Page header (inner pages) ---------------------------------------- */
.page_hero {
    background:
        radial-gradient(ellipse 55% 50% at 80% 10%, rgba(0, 200, 83, 0.12), transparent 60%),
        linear-gradient(180deg, var(--color_space_navy_deep), var(--color_space_navy));
    color: var(--color_starlight);
    padding-block: calc(var(--space_unit) * 9);
    position: relative;
    overflow: hidden;
}

.page_hero_title { font-size: clamp(2rem, 5vw, 3.2rem); margin: 0; }

.page_hero_lead {
    color: var(--color_starlight_soft);
    max-width: 620px;
    margin-top: var(--space-unit);
    font-size: 1.08rem;
}

/* --- Contact form ------------------------------------------------------- */
.form_grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--space_unit) * 3);
}

.form_field { display: flex; flex-direction: column; gap: 6px; }
.form_field--full { grid-column: 1 / -1; }

.form_label { font-weight: 600; font-size: 0.92rem; }

.form_input, .form_textarea {
    font: inherit;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid var(--color_border_light);
    background: #ffffff;
    color: var(--color_ink);
    transition: border-color var(--transition_speed), box-shadow var(--transition_speed);
}

.form_input:focus, .form_textarea:focus {
    outline: none;
    border-color: var(--color_signal_green);
    box-shadow: 0 0 0 3px rgba(0, 200, 83, 0.18);
}

.form_textarea { min-height: 140px; resize: vertical; }

/* Honeypot: visually hidden, present for bots */
.form_honeypot {
    position: absolute !important;
    left: -9999px !important;
    width: 1px; height: 1px;
    overflow: hidden;
}

.form_notice {
    padding: var(--space-unit) calc(var(--space-unit) * 2);
    border-radius: 10px;
    margin-bottom: calc(var(--space_unit) * 4);
    font-weight: 500;
}

.form_notice--success { background: rgba(0, 200, 83, 0.14); color: #0a5c30; }
.form_notice--error   { background: rgba(208, 52, 44, 0.12); color: #8c1d18; }

/* --- Footer --------------------------------------------------------------- */
.site_footer {
    background: var(--color_space_navy_deep);
    color: var(--color_starlight_soft);
    border-top: 1px solid var(--color_border_dark);
    padding-block: calc(var(--space_unit) * 7);
}

.site_footer_inner {
    display: flex;
    flex-wrap: wrap;
    gap: calc(var(--space_unit) * 5);
    align-items: flex-start;
}

.site_footer_brand img { height: 34px; width: auto; opacity: 0.9; }

.site_footer_note { margin: var(--space-unit) 0 0; font-size: 0.9rem; }

.site_footer_nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: calc(var(--space_unit) * 3);
    flex-wrap: wrap;
}

.site_footer_nav a {
    color: var(--color_starlight_soft);
    text-decoration: none;
    font-size: 0.92rem;
}
.site_footer_nav a:hover { color: var(--color_signal_green_soft); }

.site_footer_legal {
    width: 100%;
    margin: 0;
    padding-top: calc(var(--space_unit) * 3);
    border-top: 1px solid var(--color_border_dark);
    font-size: 0.85rem;
}

/* --- Reveal-on-scroll (progressively enhanced by ts.js) --------------------
   Only hidden when JS is confirmed running (js_enabled set in <head>). */
.js_enabled .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 600ms ease, transform 600ms ease;
}

.js_enabled .reveal.is_visible { opacity: 1; transform: none; }

/* --- Responsive -------------------------------------------------------------- */
@media (max-width: 860px) {
    .nav_toggle { display: flex; }

    .site_nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        margin: 0;
        background: var(--color_space_navy_deep);
        border-bottom: 1px solid var(--color_border_dark);
        display: none;
        padding: calc(var(--space_unit) * 3);
    }

    .site_nav.is_open { display: block; }

    .site_nav_list { flex-direction: column; gap: 0; }

    .site_nav_link { display: block; padding: var(--space-unit) 0; border-bottom: 0; }

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

    .hero_orbit, .hero_orbit--inner { display: none; }
}

/* --- Reduced motion ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .js_enabled .reveal { opacity: 1; transform: none; }
}