/* ============================================================
   ENERGIAL — style.css
   Direction artistique : DOCUMENT — Cartographie industrielle
   ============================================================ */

/* ─── Custom properties ───────────────────────────────────────────────────── */
:root {
    /* Palette — extraite du logo Energial */
    --color-void:           #0B0D09;
    --color-surface:        #141710;
    --color-surface-alt:    #1A1D14;
    --color-brand-green:    #8DC63F; /* vert lime vif — corps de la goutte */
    --color-brand-yellow:   #D4E021; /* chartreuse — gradient haut de la goutte */
    --color-light:          #F2F0EB;
    --color-light-dim:      #D8D5CE;
    --color-muted:          #8A8C85;
    --color-muted-dark:     #5A5C55;
    --color-border-dark:    rgba(242, 240, 235, 0.10);
    --color-border-light:   rgba(11, 13, 9, 0.12);

    /* HVU phases (signature line) */
    --color-hvu-raw:        #4A3020;
    --color-hvu-process:    #2D5A2D;
    --color-biodiesel:      var(--color-brand-yellow);

    /* Typography */
    --font-display:  'Barlow Condensed', 'Arial Narrow', Arial, sans-serif;
    --font-text:     'IBM Plex Sans', 'Helvetica Neue', Arial, sans-serif;
    --font-arabic:   'Noto Sans Arabic', 'IBM Plex Arabic', Arial, sans-serif;

    /* Type scale */
    --text-xs:     0.6875rem;   /* 11px */
    --text-sm:     0.8125rem;   /* 13px */
    --text-base:   1rem;        /* 16px */
    --text-lg:     1.25rem;     /* 20px */
    --text-xl:     1.5rem;      /* 24px */
    --text-2xl:    2rem;        /* 32px */
    --text-3xl:    3rem;        /* 48px */
    --text-display: clamp(3.5rem, 7vw, 7.5rem);
    --text-hero:    clamp(4.5rem, 10vw, 10rem);

    /* Spacing */
    --sp-1: 0.5rem;
    --sp-2: 1rem;
    --sp-3: 1.5rem;
    --sp-4: 2rem;
    --sp-6: 3rem;
    --sp-8: 4rem;
    --sp-12: 6rem;
    --sp-16: 8rem;
    --sp-24: 12rem;

    /* Layout */
    --container-max: 1320px;
    --container-pad: clamp(1.5rem, 5vw, 4rem);
    --header-h: 80px;

    /* Transitions */
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --dur-fast: 150ms;
    --dur-base: 300ms;
    --dur-slow: 600ms;

    /* Signature line */
    --sig-width: 2px;
}

/* ─── Arabic font override ───────────────────────────────────────────────── */
:lang(ar) {
    font-family: var(--font-arabic);
}
:lang(ar) h1,
:lang(ar) h2,
:lang(ar) h3,
:lang(ar) .hero-title {
    font-family: var(--font-arabic);
    font-weight: 700;
}

/* ─── Reset ──────────────────────────────────────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-text);
    background-color: var(--color-void);
    color: var(--color-light);
    line-height: 1.6;
    font-size: var(--text-base);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, video, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

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

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font: inherit;
    color: inherit;
}

/* ─── 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;
    }
    .reveal-item { opacity: 1 !important; transform: none !important; }
    .signature-segment { opacity: 1 !important; }
}

/* ─── Accessibility ──────────────────────────────────────────────────────── */
.skip-link {
    position: fixed;
    inset-block-start: var(--sp-2);
    inset-inline-start: var(--sp-2);
    padding: var(--sp-1) var(--sp-2);
    background: var(--color-brand-green);
    color: var(--color-light);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    z-index: 9999;
    transform: translateY(-200%);
    transition: transform var(--dur-base) var(--ease-out);
}
.skip-link:focus {
    transform: translateY(0);
}

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

/* ─── Layout helpers ─────────────────────────────────────────────────────── */
.container {
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

/* ─── Typography helpers ─────────────────────────────────────────────────── */
.section-label {
    display: block;
    font-family: var(--font-text);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-muted-dark);
    margin-block-end: var(--sp-3);
}
.section-label--light {
    color: var(--color-muted);
}

.label-micro {
    font-family: var(--font-text);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--text-display);
    font-weight: 700;
    line-height: 1.0;
    letter-spacing: -0.01em;
}
.section-title--light { color: var(--color-light); }

.section-header {
    margin-block-end: var(--sp-8);
}

/* ─── Buttons ────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-1);
    padding: 0.75rem 1.75rem;
    font-family: var(--font-text);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    white-space: nowrap;
    transition: background-color var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--color-brand-green);
    color: var(--color-void);
    border-color: var(--color-brand-green);
}
.btn-primary:hover, .btn-primary:focus-visible {
    background-color: transparent;
    color: var(--color-brand-green);
}

.btn-ghost {
    background-color: transparent;
    color: var(--color-light);
    border-color: var(--color-border-dark);
}
.btn-ghost:hover, .btn-ghost:focus-visible {
    border-color: var(--color-light);
}

.btn-dark {
    background-color: var(--color-void);
    color: var(--color-light);
    border-color: var(--color-void);
}
.btn-dark:hover, .btn-dark:focus-visible {
    background-color: transparent;
    color: var(--color-void);
    border-color: var(--color-void);
}

.btn-outline-light {
    background-color: transparent;
    color: var(--color-light);
    border-color: var(--color-border-dark);
}
.btn-outline-light:hover, .btn-outline-light:focus-visible {
    background-color: var(--color-brand-yellow);
    color: var(--color-void);
    border-color: var(--color-brand-yellow);
}

/* ─── Reveal animations ──────────────────────────────────────────────────── */
.reveal-item {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--dur-slow) var(--ease-out),
                transform var(--dur-slow) var(--ease-out);
}
.reveal-item.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-item[data-reveal-delay="1"] { transition-delay: 80ms; }
.reveal-item[data-reveal-delay="2"] { transition-delay: 160ms; }
.reveal-item[data-reveal-delay="3"] { transition-delay: 240ms; }
.reveal-item[data-reveal-delay="4"] { transition-delay: 320ms; }

/* ─── Signature line system ──────────────────────────────────────────────── */
.signature-segment {
    position: absolute;
    inset-inline-start: var(--container-pad);
    top: 0;
    width: var(--sig-width);
    height: 100%;
    pointer-events: none;
    z-index: 1;
}
.signature-phase-1 { background: var(--color-hvu-raw); opacity: 0.5; }
.signature-phase-transition {
    background: linear-gradient(to bottom, var(--color-hvu-raw), var(--color-brand-green));
    opacity: 0.6;
}
.signature-phase-2 { background: var(--color-brand-green); opacity: 0.6; }
.signature-phase-transition-2 {
    background: linear-gradient(to bottom, var(--color-brand-green), var(--color-brand-yellow));
    opacity: 0.6;
}
.signature-phase-3 { background: var(--color-brand-yellow); opacity: 0.5; }
.signature-phase-4 { background: var(--color-brand-yellow); opacity: 0.7; }

/* Section must be relative for signature line */
section { position: relative; }

/* ─── Section backgrounds ────────────────────────────────────────────────── */
.section-dark    { background-color: var(--color-void); color: var(--color-light); }
.section-surface { background-color: var(--color-surface); color: var(--color-light); }
.section-light   { background-color: var(--color-light); color: var(--color-void); }
.section-light .label-micro { color: var(--color-muted-dark); }
.section-light .section-label { color: var(--color-muted-dark); }

/* ─── HEADER ─────────────────────────────────────────────────────────────── */
.site-header {
    position: fixed;
    inset-block-start: 0;
    inset-inline-start: 0;
    inset-inline-end: 0;
    height: var(--header-h);
    z-index: 100;
    background-color: rgba(11, 13, 9, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-block-end: 1px solid var(--color-border-dark);
    transition: background-color var(--dur-base);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    height: 100%;
    padding-inline: var(--container-pad);
    max-width: var(--container-max);
    margin-inline: auto;
}

.site-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}
.logo-clip {
    display: block;
    height: 48px;
    overflow: hidden;
}
.logo-clip img { height: 62px; width: auto; display: block; }
.logo-text-fallback {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    color: var(--color-light);
}

.site-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}
.site-nav ul {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
}
.site-nav a {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-muted);
    transition: color var(--dur-fast);
}
.site-nav a:hover, .site-nav a:focus-visible {
    color: var(--color-light);
}
.site-nav .nav-cta {
    color: var(--color-brand-green);
}
.site-nav .nav-cta:hover { color: var(--color-brand-yellow); }

.lang-switcher {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
}
.lang-item {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.10em;
    color: var(--color-muted);
    text-transform: uppercase;
    transition: color var(--dur-fast);
    padding: 0.25rem 0;
}
.lang-item:not(.lang-current):hover { color: var(--color-light); }
.lang-current {
    color: var(--color-light);
    border-block-end: 1px solid var(--color-brand-green);
}

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}
.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 22px;
}
.hamburger span {
    display: block;
    height: 1.5px;
    background: var(--color-light);
    transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-base);
}

.mobile-nav {
    display: none;
    background-color: var(--color-surface);
    border-block-start: 1px solid var(--color-border-dark);
    padding: var(--sp-4) var(--container-pad);
}
.mobile-nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    margin-block-end: var(--sp-4);
}
.mobile-nav a {
    font-size: var(--text-lg);
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-light);
    transition: color var(--dur-fast);
}
.mobile-nav a:hover { color: var(--color-brand-green); }
.mobile-lang {
    display: flex;
    gap: var(--sp-2);
    padding-block-start: var(--sp-3);
    border-block-start: 1px solid var(--color-border-dark);
}

/* Mobile nav open state */
.site-header.nav-open .mobile-nav { display: block; }
.site-header.nav-open .hamburger span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}
.site-header.nav-open .hamburger span:nth-child(2) {
    opacity: 0;
}
.site-header.nav-open .hamburger span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

/* ─── HERO ───────────────────────────────────────────────────────────────── */
.section-hero {
    min-height: 100dvh;
    min-height: 100vh;
    background-color: var(--color-void);
    padding-block-start: var(--header-h);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.hero-inner {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto 1fr auto;
    gap: var(--sp-6);
    padding-inline: var(--container-pad);
    padding-block: var(--sp-8) var(--sp-6);
    max-width: var(--container-max);
    margin-inline: auto;
    width: 100%;
    align-items: center;
}

.hero-meta {
    grid-column: 1 / 3;
    grid-row: 1;
}

.hero-title-block {
    grid-column: 1;
    grid-row: 2;
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
    align-self: center;
}

.hero-video-frame {
    grid-column: 2;
    grid-row: 2;
    align-self: center;
    position: relative;
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: var(--text-hero);
    line-height: 0.9;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    display: flex;
    flex-direction: column;
}

.hero-title-line--1 {
    color: var(--color-light);
}
.hero-title-line--2 {
    color: var(--color-brand-green);
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--color-muted);
    max-width: 38ch;
    line-height: 1.5;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
}

/* Video frame — documentary annotated insert */
.hero-video-frame {
    border: 1px solid var(--color-border-dark);
}

.video-annotation {
    padding: var(--sp-1) var(--sp-2);
    background-color: var(--color-surface-alt);
    border-block: 1px solid var(--color-border-dark);
}
.video-annotation--top { border-block-end: 1px solid var(--color-border-dark); }
.video-annotation--bottom { border-block-start: 1px solid var(--color-border-dark); }

.video-wrapper {
    position: relative;
    aspect-ratio: 16 / 9;
    background-color: #000;
    overflow: hidden;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.video-play-btn {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(11, 13, 9, 0.5);
    color: var(--color-light);
    transition: background-color var(--dur-base);
}
.video-play-btn:hover, .video-play-btn:focus-visible {
    background: rgba(62, 125, 62, 0.6);
}
.video-play-btn svg {
    width: 48px;
    height: 48px;
    filter: drop-shadow(0 0 8px rgba(0,0,0,0.5));
}
.video-play-btn.is-playing { display: none; }

/* ── Video controls bar ─────────────────────────────────────────────────── */
.video-controls {
    position: absolute;
    inset-block-end: 0;
    inset-inline: 0;
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-2) var(--sp-3);
    background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 100%);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}
.video-wrapper.controls-visible .video-controls,
.video-wrapper:hover .video-controls {
    opacity: 1;
    pointer-events: auto;
}

.vc-btn {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    border-radius: 2px;
    padding: 0;
    transition: color 0.15s ease, background-color 0.15s ease;
}
.vc-btn:hover,
.vc-btn:focus-visible {
    color: var(--color-brand-yellow);
    outline: 1px solid var(--color-brand-yellow);
    outline-offset: 1px;
}

.vc-progress-track {
    flex: 1;
    height: 3px;
    background: rgba(255,255,255,0.25);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
}
.vc-progress-track:hover { height: 5px; }
.vc-progress-fill {
    height: 100%;
    width: 0%;
    background: var(--color-brand-yellow);
    border-radius: 2px;
    pointer-events: none;
    transition: width 0.1s linear;
}

/* Icon state toggles */
.vc-play-pause .icon-play { display: none; }
.vc-play-pause.is-paused .icon-pause { display: none; }
.vc-play-pause.is-paused .icon-play { display: block; }

.vc-volume .icon-vol-off { display: none; }
.vc-volume.is-muted .icon-vol-on { display: none; }
.vc-volume.is-muted .icon-vol-off { display: block; }

@media (prefers-reduced-motion: reduce) {
    .video-controls { transition: none; }
    .vc-progress-track { transition: none; }
    .vc-progress-fill { transition: none; }
}

/* Scroll indicator */
.hero-scroll {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-1);
    padding-inline: var(--container-pad);
    padding-block-end: var(--sp-4);
    max-width: var(--container-max);
    margin-inline: auto;
    width: 100%;
}
.scroll-line {
    display: block;
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-muted-dark), transparent);
    animation: scroll-pulse 2s ease-in-out infinite;
}
@keyframes scroll-pulse {
    0%, 100% { opacity: 0.4; transform: scaleY(1); }
    50%        { opacity: 1;   transform: scaleY(1.2); }
}

/* ─── PROBLEM ────────────────────────────────────────────────────────────── */
.section-problem {
    padding-block: var(--sp-16);
}

.problem-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-12);
    align-items: start;
}

.problem-title {
    font-family: var(--font-display);
    font-size: var(--text-display);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.01em;
    margin-block-end: var(--sp-4);
}
.problem-title-main { display: block; }
.problem-title-emphasis {
    display: block;
    color: var(--color-brand-green);
}

.problem-body {
    font-size: var(--text-base);
    line-height: 1.75;
    color: var(--color-muted-dark);
    max-width: 55ch;
}

.answer-block {
    background-color: var(--color-void);
    color: var(--color-light);
    padding: var(--sp-6);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    border-inline-start: 2px solid var(--color-brand-green);
}
[dir="rtl"] .answer-block {
    border-inline-start: 2px solid var(--color-brand-green);
}

.answer-label {
    color: var(--color-brand-green);
}

.answer-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    letter-spacing: 0.01em;
    line-height: 1.2;
}

.answer-body {
    font-size: var(--text-sm);
    line-height: 1.7;
    color: var(--color-muted);
}

/* ─── PROCESS ────────────────────────────────────────────────────────────── */
.section-process {
    padding-block: var(--sp-16);
    overflow: hidden;
}

.process-flow {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-4);
    padding-block-start: var(--sp-8);
}

.process-connector {
    position: absolute;
    top: 0;
    inset-inline-start: calc(12.5% + 1px);
    inset-inline-end: calc(12.5% + 1px);
    height: 4px;
    display: flex;
    align-items: center;
}
.process-connector-svg {
    width: 100%;
    height: 4px;
    overflow: visible;
}
[dir="rtl"] .process-connector-svg {
    transform: scaleX(-1);
}

.process-step {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}

.step-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-2);
    position: relative;
}

.step-number {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-muted);
    text-transform: uppercase;
    display: block;
    margin-block-end: auto;
}

.step-node {
    width: 28px;
    height: 28px;
    border: 1px solid var(--color-border-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-surface);
    position: relative;
    z-index: 2;
}
.step-node-inner {
    width: 8px;
    height: 8px;
    background-color: var(--color-muted);
    transition: background-color var(--dur-base);
}
.phase-1 .step-node-inner { background-color: var(--color-hvu-raw); }
.phase-2 .step-node-inner { background-color: var(--color-brand-green); }
.phase-3 .step-node-inner { background-color: var(--color-brand-green); }
.phase-4 .step-node-inner { background-color: var(--color-brand-yellow); }

.step-state {
    color: var(--color-muted);
    margin-block-end: var(--sp-1);
}

.step-label {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--color-light);
    line-height: 1.1;
}

.step-body {
    font-size: var(--text-sm);
    line-height: 1.7;
    color: var(--color-muted);
}

.process-standard {
    margin-block-start: var(--sp-8);
    padding-block-start: var(--sp-4);
    border-block-start: 1px solid var(--color-border-dark);
    text-align: end;
}
.process-standard .label-micro {
    color: var(--color-brand-yellow);
}

/* ─── ABOUT ──────────────────────────────────────────────────────────────── */
.section-about {
    padding-block: var(--sp-16);
}

.about-layout {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--sp-12);
    align-items: start;
}

.about-year-col {
    display: flex;
    flex-direction: column;
    gap: var(--sp-1);
    padding-block-start: var(--sp-12);
}

.about-year-number {
    font-family: var(--font-display);
    font-size: clamp(4rem, 8vw, 8rem);
    font-weight: 900;
    color: var(--color-border-dark);
    letter-spacing: -0.03em;
    line-height: 1;
    writing-mode: horizontal-tb;
}

.about-year-label {
    color: var(--color-muted);
    margin-block-start: var(--sp-1);
}

.about-title {
    font-family: var(--font-display);
    font-size: var(--text-display);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.01em;
    margin-block-end: var(--sp-4);
    display: flex;
    flex-direction: column;
    color: var(--color-light);
}

.about-body {
    font-size: var(--text-base);
    line-height: 1.8;
    color: var(--color-muted);
    max-width: 58ch;
    margin-block-end: var(--sp-4);
}

.about-location {
    padding-block-start: var(--sp-4);
    border-block-start: 1px solid var(--color-border-dark);
}

/* ─── VISION & VALUES ────────────────────────────────────────────────────── */
.section-vision {
    padding-block: var(--sp-16);
}

.vision-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-12);
    align-items: start;
}

.vision-title {
    font-family: var(--font-display);
    font-size: var(--text-display);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.01em;
    margin-block-end: var(--sp-4);
    color: var(--color-void);
}

.vision-body {
    font-size: var(--text-base);
    line-height: 1.8;
    color: var(--color-muted-dark);
    max-width: 50ch;
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background-color: var(--color-border-light);
}

.value-item {
    background-color: var(--color-light);
    padding: var(--sp-4);
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}

.value-title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    color: var(--color-void);
}

.value-body {
    font-size: var(--text-sm);
    line-height: 1.7;
    color: var(--color-muted-dark);
}

/* ─── TARGETS ────────────────────────────────────────────────────────────── */
.section-targets {
    padding-block: var(--sp-16);
}

.targets-subtitle {
    display: block;
    color: var(--color-brand-yellow);
}

.targets-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background-color: var(--color-border-dark);
    margin-block: var(--sp-8);
}

.target-item {
    background-color: var(--color-void);
    padding: var(--sp-6);
    display: grid;
    grid-template-columns: 2px 1fr;
    gap: var(--sp-4);
    align-items: start;
    transition: background-color var(--dur-base);
}
.target-item:hover {
    background-color: var(--color-surface);
}

.target-marker {
    width: 2px;
    height: 100%;
    background-color: var(--color-brand-yellow);
    min-height: 40px;
}

.target-label {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    color: var(--color-light);
    margin-block-end: var(--sp-2);
}

.target-body {
    font-size: var(--text-sm);
    line-height: 1.7;
    color: var(--color-muted);
}

.targets-cta {
    text-align: center;
}

/* ─── PARTNERS ───────────────────────────────────────────────────────────── */
.section-partners {
    padding-block: var(--sp-16);
}

.partners-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background-color: var(--color-border-dark);
    margin-block: var(--sp-8);
}

.partner-item {
    background-color: var(--color-surface);
    padding: var(--sp-8);
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}

.partner-header {
    display: flex;
    flex-direction: column;
    gap: var(--sp-1);
    padding-block-end: var(--sp-4);
    border-block-end: 1px solid var(--color-border-dark);
}

.partner-name {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 900;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    color: var(--color-light);
    line-height: 1;
}

.partner-subtitle {
    color: var(--color-brand-yellow);
    letter-spacing: 0.10em;
}

.partner-body {
    font-size: var(--text-sm);
    line-height: 1.8;
    color: var(--color-muted);
}

.partners-cta {
    text-align: center;
}

/* ─── CONTACT ────────────────────────────────────────────────────────────── */
.section-contact {
    padding-block: var(--sp-16);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: var(--sp-12);
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--sp-6);
}

.contact-info-item {
    display: flex;
    flex-direction: column;
    gap: var(--sp-1);
}

.contact-address {
    font-style: normal;
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-light-dim);
}

.contact-phone {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-brand-yellow);
    letter-spacing: 0.02em;
    transition: color var(--dur-fast);
}
.contact-phone:hover { color: var(--color-light); }

.contact-map {
    border: 1px solid var(--color-border-dark);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    position: relative;
}
.contact-map iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: grayscale(60%) invert(90%) hue-rotate(165deg);
    opacity: 0.85;
}
.map-overlay {
    display: none;
    position: absolute;
    inset: 0;
    background: transparent;
    z-index: 10;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}
.map-overlay.is-active {
    pointer-events: auto;
}
.map-overlay__hint {
    display: none;
    background: rgba(0, 0, 0, 0.65);
    color: #fff;
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    padding: 0.5em 1em;
    pointer-events: none;
}
@media (pointer: coarse) {
    .map-overlay {
        display: flex;
    }
    .map-overlay.is-active .map-overlay__hint {
        display: block;
    }
}

/* ─── FORM ───────────────────────────────────────────────────────────────── */
.contact-form-wrap {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}

.form-honeypot {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    pointer-events: none;
    height: 0;
    overflow: hidden;
}
[dir="rtl"] .form-honeypot {
    left: auto;
    right: -9999px;
}

.form-row { display: flex; flex-direction: column; gap: var(--sp-3); }
.form-row--half { flex-direction: row; }
.form-row--half .form-group { flex: 1; }

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--sp-1);
}

.form-group label {
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    background-color: var(--color-surface-alt);
    border: 1px solid var(--color-border-dark);
    color: var(--color-light);
    font-family: var(--font-text);
    font-size: var(--text-base);
    padding: 0.75rem var(--sp-2);
    width: 100%;
    transition: border-color var(--dur-fast), background-color var(--dur-fast);
    appearance: none;
    -webkit-appearance: none;
}

:lang(ar) .form-group input,
:lang(ar) .form-group select,
:lang(ar) .form-group textarea {
    font-family: var(--font-arabic);
    text-align: start;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-muted-dark);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-brand-green);
    background-color: var(--color-surface);
}

.form-group input.is-invalid,
.form-group select.is-invalid,
.form-group textarea.is-invalid {
    border-color: #C0392B;
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A8C85' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-inline-end: 2.5rem;
    cursor: pointer;
}
[dir="rtl"] .form-group select {
    background-position: left 14px center;
}

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

.field-error {
    font-size: var(--text-xs);
    color: #E74C3C;
    min-height: 1rem;
    display: block;
}

.form-submit {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    padding-block-start: var(--sp-2);
}

.btn-submit {
    min-width: 160px;
    justify-content: center;
}

.form-status {
    padding: var(--sp-3) var(--sp-4);
    border-inline-start: 2px solid var(--color-brand-green);
    background-color: var(--color-surface-alt);
    font-size: var(--text-sm);
    line-height: 1.6;
}
.form-status.is-error {
    border-inline-start-color: #C0392B;
    color: #E74C3C;
}
.form-status.is-success {
    border-inline-start-color: var(--color-brand-green);
    color: var(--color-light-dim);
}

/* ─── FOOTER ─────────────────────────────────────────────────────────────── */
.site-footer {
    background-color: var(--color-surface);
    border-block-start: 1px solid var(--color-border-dark);
    padding-block-start: var(--sp-12);
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: var(--sp-8);
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
    padding-block-end: var(--sp-8);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}
.footer-brand img { height: 100px; width: auto; }

.footer-tagline {
    font-size: var(--text-base);
    color: var(--color-muted);
    line-height: 1.6;
    max-width: 38ch;
}

.footer-nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}
.footer-nav a {
    font-size: var(--text-base);
    color: var(--color-muted);
    transition: color var(--dur-fast);
}
.footer-nav a:hover { color: var(--color-light); }

.footer-social-lang {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
    align-items: flex-start;
}

.footer-social {
    display: flex;
    gap: var(--sp-2);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--color-border-dark);
    color: var(--color-muted);
    transition: color var(--dur-fast), border-color var(--dur-fast);
}
.social-link:hover { color: var(--color-light); border-color: var(--color-muted-dark); }

.footer-lang {
    display: flex;
    gap: var(--sp-2);
}

.footer-bottom {
    border-block-start: 1px solid var(--color-border-dark);
    padding-block: var(--sp-4);
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

.footer-copyright {
    font-size: var(--text-sm);
    color: var(--color-muted-dark);
    letter-spacing: 0.06em;
}

/* ─── RESPONSIVE ─────────────────────────────────────────────────────────── */

/* 1024px tablet landscape */
@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
    }
    .hero-meta { grid-column: 1; grid-row: 1; }
    .hero-title-block { grid-column: 1; grid-row: 2; }
    .hero-video-frame { grid-column: 1; grid-row: 3; max-width: 480px; }

    .about-layout { grid-template-columns: 120px 1fr; gap: var(--sp-8); }

    .process-flow {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--sp-6);
        padding-block-start: var(--sp-4);
    }
    .process-connector { display: none; }

    .footer-inner { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / 3; }
}

/* 768px tablet portrait */
@media (max-width: 768px) {
    :root {
        --header-h: 60px;
    }

    .site-nav { display: none; }
    .lang-switcher { display: none; }
    .nav-toggle { display: flex; margin-inline-start: auto; }
    .site-header.nav-open { height: auto; }

    .hero-inner {
        padding-block: var(--sp-6) var(--sp-4);
        gap: var(--sp-4);
    }
    .hero-video-frame { max-width: 100%; }

    .problem-layout { grid-template-columns: 1fr; gap: var(--sp-8); }
    .vision-layout  { grid-template-columns: 1fr; gap: var(--sp-8); }
    .contact-layout { grid-template-columns: 1fr; gap: var(--sp-8); }
    .partners-grid  { grid-template-columns: 1fr; }
    .targets-grid   { grid-template-columns: 1fr; }
    .form-row--half { flex-direction: column; }

    .about-year-col { display: none; }
    .about-layout   { grid-template-columns: 1fr; }

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

    .footer-inner { grid-template-columns: 1fr; gap: var(--sp-6); }
    .footer-brand { grid-column: 1; }
}

/* 375px mobile */
@media (max-width: 480px) {
    .section-problem,
    .section-process,
    .section-about,
    .section-vision,
    .section-targets,
    .section-partners,
    .section-contact {
        padding-block: var(--sp-12);
    }

    .process-flow { grid-template-columns: 1fr; }

    .partner-name {
        font-size: var(--text-2xl);
    }

    .contact-phone {
        font-size: var(--text-xl);
    }

    .hero-cta { flex-direction: column; align-items: flex-start; }
    .hero-cta .btn { width: 100%; justify-content: center; }
}

/* 360px minimum safe width */
@media (max-width: 360px) {
    :root { --container-pad: 1rem; }
}

/* Signature line: keep in margin on mobile, not flush with content */
@media (max-width: 768px) {
    .signature-segment { inset-inline-start: 0.4rem; }
}