/* =====================
   Variables & Reset
   ===================== */
:root {
    --bg:       #080808;
    --surface:  #111111;
    --border:   #1f1f1f;
    --text:     #efefef;
    --muted:    #666666;
    --dim:      #2a2a2a;
    --accent:   #c8a14a;
    --font-display: 'Syne', sans-serif;
    --font-body:    'Inter', sans-serif;
    --font-mono:    'JetBrains Mono', monospace;
    --header-h: 72px;
    --max-w:    1200px;
}

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

html {
    font-size: 17px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

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

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

/* =====================
   Layout
   ===================== */
.container {
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 2rem;
}

/* =====================
   Header
   ===================== */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background 0.45s ease, border-color 0.45s ease,
                backdrop-filter 0.45s ease;
}

header.scrolled {
    background: rgba(8, 8, 8, 0.92);
    border-bottom-color: var(--border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Text mark — replaces logo PNG */
.logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text);
    transition: color 0.2s;
}

.logo-text:hover {
    color: var(--accent);
}

/* =====================
   Navigation
   ===================== */
nav {
    display: flex;
    align-items: center;
}

nav a {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted);
    padding: 0.5rem 1.1rem;
    position: relative;
    transition: color 0.2s;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1.1rem;
    right: 1.1rem;
    height: 1px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}

nav a:hover,
nav a.active {
    color: var(--text);
    text-decoration: none;
}

nav a:hover::after,
nav a.active::after {
    transform: scaleX(1);
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 4px;
    width: 36px;
    height: 36px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 1px;
    background: var(--text);
    transition: transform 0.25s, opacity 0.25s;
}

/* =====================
   Hero
   ===================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--bg);
}

/* Scanline overlay — CSS only, CRT feel */
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent 0px,
        transparent 2px,
        rgba(0, 0, 0, 0.07) 2px,
        rgba(0, 0, 0, 0.07) 4px
    );
    pointer-events: none;
    z-index: 2;
}

.hero-inner {
    position: relative;
    z-index: 3;
    padding-top: var(--header-h);
    padding-bottom: 5rem;
}

/* Background ASCII art — decorative, right-aligned */
.hero-bg-ascii {
    position: absolute;
    top: 50%;
    right: 2rem;
    transform: translateY(-50%);
    z-index: 1;
    pointer-events: none;
    user-select: none;
}

.hero-bg-ascii pre {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    line-height: 1.5;
    color: var(--dim);
    white-space: pre;
}

/* Typewriter line */
.hero-ascii-line {
    display: flex;
    align-items: baseline;
    gap: 0.4em;
    margin-bottom: 2.5rem;
}

.ascii-prompt {
    font-family: var(--font-mono);
    font-size: clamp(2.2rem, 7vw, 5rem);
    color: var(--accent);
    line-height: 1;
    flex-shrink: 0;
}

.ascii-brand {
    font-family: var(--font-mono);
    font-size: clamp(2.2rem, 7vw, 5rem);
    color: var(--text);
    letter-spacing: 0.04em;
    line-height: 1;
}

.cursor {
    display: inline-block;
    width: 0.55em;
    height: clamp(2rem, 6.4vw, 4.5rem);
    background: var(--accent);
    vertical-align: text-bottom;
    animation: blink 1s step-end infinite;
    flex-shrink: 0;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0; }
}

.hero-tagline {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    color: var(--muted);
    max-width: 520px;
    line-height: 1.8;
    margin-bottom: 2.75rem;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.7s ease 0.15s, transform 0.7s ease 0.15s;
}

.hero-tagline.visible,
.hero-cta.visible {
    opacity: 1;
    transform: translateY(0);
}

.hero-cta {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.7s ease 0.35s, transform 0.7s ease 0.35s;
}

/* Scroll hint */
.scroll-hint {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--dim);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    animation: fadeInUp 1s ease 2s both;
}

.scroll-hint::after {
    content: '';
    display: block;
    width: 1px;
    height: 36px;
    background: var(--dim);
    animation: scrollLine 1.6s ease-in-out infinite;
}

@keyframes scrollLine {
    0%   { transform: scaleY(0); transform-origin: top; }
    50%  { transform: scaleY(1); transform-origin: top; }
    51%  { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateX(-50%) translateY(8px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* =====================
   Buttons
   ===================== */
.btn {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--bg);
    background: var(--accent);
    padding: 0.8rem 2.2rem;
    border: 1px solid var(--accent);
    cursor: pointer;
    transition: background 0.22s, color 0.22s, letter-spacing 0.22s;
    text-decoration: none;
}

.btn:hover {
    background: transparent;
    color: var(--accent);
    letter-spacing: 0.18em;
    text-decoration: none;
}

/* =====================
   Scroll Reveal
   ===================== */
.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.75s ease, transform 0.75s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =====================
   Shared section tokens
   ===================== */
section {
    padding: 6rem 0;
}

.section-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(1.9rem, 4vw, 3rem);
    color: var(--text);
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin-bottom: 3.5rem;
}

.ascii-rule {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.58rem;
    color: var(--dim);
    letter-spacing: 0.02em;
    overflow: hidden;
    white-space: nowrap;
    margin-bottom: 3.5rem;
    user-select: none;
}

/* =====================
   Services section
   ===================== */
.services {
    border-top: 1px solid var(--border);
}

.service-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
}

.service-item {
    background: var(--bg);
    padding: 2.25rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    transition: background 0.22s;
}

.service-item:hover {
    background: var(--surface);
}

.service-prompt {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent);
    user-select: none;
}

.service-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text);
}

.service-desc {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--muted);
    line-height: 1.65;
    margin-top: 0.25rem;
}

/* =====================
   CTA strip
   ===================== */
.cta-strip {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 5.5rem 0;
    text-align: center;
}

.cta-strip p {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    color: var(--text);
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
}

/* =====================
   Inner page header
   ===================== */
.page-header {
    padding: 9rem 0 4rem;
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

/* Reuse scanline on inner page headers */
.page-header::after {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent 0px,
        transparent 2px,
        rgba(0, 0, 0, 0.05) 2px,
        rgba(0, 0, 0, 0.05) 4px
    );
    pointer-events: none;
}

.page-header .section-label,
.page-header .section-title {
    position: relative;
    z-index: 1;
}

.page-header .section-title {
    margin-bottom: 0;
}

/* =====================
   Certifications
   ===================== */
.cert-section {
    border-top: 1px solid var(--border);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
}

.cert-card {
    background: var(--bg);
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    transition: background 0.22s;
}

.cert-card:hover {
    background: var(--surface);
}

.cert-card-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
}

.cert-card-name {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 2.2rem;
    color: var(--text);
    letter-spacing: -0.02em;
    line-height: 1;
}

.cert-imgs {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cert-card img {
    max-width: 200px;
}

/* =====================
   Contact form — terminal style
   ===================== */

/* Honeypot anti-spam field — off-screen, not type=hidden so bots fill it */
.hp-field {
    position: absolute;
    left: -9999px;
    top: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}

.contact-section {
    border-top: 1px solid var(--border);
}

.terminal-form {
    max-width: 640px;
}

.field-group {
    margin-bottom: 2rem;
}

.field-label {
    display: flex;
    align-items: center;
    gap: 0.5em;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.55rem;
}

.field-label .fp {
    color: var(--accent);
}

.field-label .req {
    color: var(--accent);
    font-size: 0.55rem;
    margin-left: auto;
    letter-spacing: 0.05em;
}

.terminal-form input,
.terminal-form textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.88rem;
    padding: 0.55rem 0;
    outline: none;
    transition: border-color 0.2s;
    line-height: 1.6;
    caret-color: var(--accent);
}

.terminal-form input:focus,
.terminal-form textarea:focus {
    border-bottom-color: var(--accent);
}

.terminal-form input::placeholder,
.terminal-form textarea::placeholder {
    color: var(--dim);
    font-size: 0.8rem;
}

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

.form-message {
    margin-top: 1rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    min-height: 1.4rem;
}

.form-message.success { color: #5a9e6a; }
.form-message.error   { color: #b94040; }

/* =====================
   Footer
   ===================== */
main {
    flex: 1;
}

footer {
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

footer p {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
}

/* =====================
   Back to top
   ===================== */
#back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--surface);
    color: var(--muted);
    border: 1px solid var(--border);
    padding: 8px 14px;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    cursor: pointer;
    display: none;
    transition: color 0.2s, border-color 0.2s;
    z-index: 99;
}

#back-to-top:hover {
    color: var(--accent);
    border-color: var(--accent);
}

/* =====================
   Responsive — mobile
   ===================== */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    nav {
        position: absolute;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: rgba(8, 8, 8, 0.98);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        align-items: stretch;
        display: none;
    }

    nav.open {
        display: flex;
    }

    nav a {
        padding: 1rem 2rem;
        border-top: 1px solid var(--border);
        font-size: 0.8rem;
    }

    nav a::after {
        display: none;
    }

    .hero-bg-ascii {
        display: none;
    }

    .service-list {
        grid-template-columns: 1fr;
    }

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

    section {
        padding: 4rem 0;
    }

    .cta-strip {
        padding: 4rem 0;
    }

    .page-header {
        padding: 7rem 0 3rem;
    }
}