/* ============================================================
   IDH.ro — Design tokens
   ============================================================ */
:root {
    --bg: #0B0F19;
    --bg-alt: #0E1422;
    --card: #111827;
    --card-border: rgba(255, 255, 255, .08);
    --accent-cyan: #00D8F6;
    --accent-blue: #2563EB;
    --text: #E8ECF3;
    --text-dim: #8B93A7;
    --text-faint: #5B6478;

    --font-display: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --wrap: 1180px;
    --radius: 14px;
    --ease: cubic-bezier(.16, 1, .3, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    * {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}

h1,
h2,
h3 {
    font-family: var(--font-display);
    margin: 0;
    color: #fff;
    letter-spacing: -0.02em;
}

p {
    margin: 0;
    color: var(--text-dim);
}

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

.wrap {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 24px;
}

/* subtle grain overlay for texture */
.grain {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: .035;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.eyebrow {
    font-family: var(--font-mono);
    font-size: .8rem;
    letter-spacing: .08em;
    color: var(--accent-cyan);
    text-transform: uppercase;
    margin: 0 0 14px;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: 10px;
    font-weight: 600;
    font-size: .95rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    color: #04121a;
    box-shadow: 0 0 0 rgba(0, 216, 246, 0);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px -6px rgba(0, 216, 246, .45);
}

.btn-outline {
    border-color: var(--card-border);
    color: var(--text);
    background: rgba(255, 255, 255, .02);
}

.btn-outline:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.btn-ghost {
    border: 1px solid var(--card-border);
    color: var(--text);
    padding: 9px 18px;
    font-size: .9rem;
}

.btn-ghost:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.btn-block {
    width: 100%;
}

/* ============================================================
   Header / Nav
   ============================================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(11, 15, 25, .7);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--card-border);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo-mark {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.35rem;
    color: #fff;
    letter-spacing: -.02em;
}

.logo-mark.small {
    font-size: 1.1rem;
}

.dot {
    color: var(--accent-cyan);
}

.nav-links {
    display: flex;
    gap: 34px;
    margin-left: auto;
    margin-right: auto;
}

.nav-links a {
    font-size: .92rem;
    color: var(--text-dim);
    font-weight: 500;
    transition: color .2s;
    position: relative;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-cta {
    margin-left: 0;
    margin-right: 0;
}

.nav-toggle {
    display: none;
}

@media (max-width: 860px) {
    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        margin: 0;
        background: var(--bg-alt);
        border-bottom: 1px solid var(--card-border);
        flex-direction: column;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height .35s var(--ease);
    }

    .nav-links.open {
        max-height: 300px;
    }

    .nav-links a {
        padding: 16px 24px;
        border-top: 1px solid var(--card-border);
    }

    .nav-cta {
        display: none;
    }

    .nav-toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        width: 34px;
        height: 34px;
        background: none;
        border: none;
        cursor: pointer;
    }

    .nav-toggle span {
        width: 100%;
        height: 2px;
        background: #fff;
        border-radius: 2px;
        transition: .25s;
    }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
    position: relative;
    padding: 100px 0 90px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: -10% -10% auto -10%;
    height: 130%;
    background:
        radial-gradient(60% 50% at 20% 10%, rgba(0, 216, 246, .14), transparent 60%),
        radial-gradient(50% 40% at 85% 30%, rgba(37, 99, 235, .16), transparent 60%);
    z-index: 0;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-inner {
    max-width: 760px;
}

.hero-title {
    font-size: clamp(2.4rem, 5.5vw, 4rem);
    font-weight: 700;
    line-height: 1.08;
    margin-bottom: 22px;
}

.hero-sub {
    font-size: 1.1rem;
    max-width: 560px;
    margin-bottom: 36px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

/* Terminal signature element */
.terminal {
    max-width: 520px;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .6);
}

.terminal-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, .03);
    border-bottom: 1px solid var(--card-border);
}

.tdot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.tdot.r {
    background: #FF5F57;
}

.tdot.y {
    background: #FEBC2E;
}

.tdot.g {
    background: #28C840;
}

.terminal-title {
    margin-left: 8px;
    font-family: var(--font-mono);
    font-size: .78rem;
    color: var(--text-faint);
}

.terminal-body {
    font-family: var(--font-mono);
    font-size: .92rem;
    padding: 20px 18px;
    min-height: 26px;
    color: var(--accent-cyan);
}

.prompt {
    color: var(--text-faint);
    margin-right: 10px;
}

.typed-line {
    color: #d5f8ff;
}

.cursor {
    animation: blink 1s steps(1) infinite;
    color: var(--accent-cyan);
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

/* 3D Cube Visuals */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.cube-container {
    width: 280px;
    height: 280px;
    perspective: 1000px;
    position: relative;
}

.cube {
    width: 100%;
    height: 100%;
    position: absolute;
    transform-style: preserve-3d;
    animation: rotateCube 20s infinite linear;
}

.face {
    position: absolute;
    width: 180px;
    height: 180px;
    top: 50px;
    left: 50px;
    border: 2px solid rgba(0, 216, 246, 0.35);
    background: rgba(11, 15, 25, 0.7);
    box-shadow: 0 0 20px rgba(0, 216, 246, 0.15) inset;
    backdrop-filter: blur(2px);
}

.front  { transform: rotateY(0deg) translateZ(90px); }
.back   { transform: rotateY(180deg) translateZ(90px); }
.right  { transform: rotateY(90deg) translateZ(90px); }
.left   { transform: rotateY(-90deg) translateZ(90px); }
.top    { transform: rotateX(90deg) translateZ(90px); }
.bottom { transform: rotateX(-90deg) translateZ(90px); }

.glow-sphere {
    position: absolute;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0.5;
    filter: blur(10px);
    animation: pulseGlow 4s infinite ease-in-out;
}

@keyframes rotateCube {
    0% { transform: rotateX(0deg) rotateY(0deg); }
    100% { transform: rotateX(360deg) rotateY(360deg); }
}

@keyframes pulseGlow {
    0%, 100% { transform: scale(1); opacity: 0.4; }
    50% { transform: scale(1.25); opacity: 0.65; }
}

@media (max-width: 860px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    .hero-inner {
        max-width: 100%;
    }
    .hero-actions {
        justify-content: center;
    }
    .terminal {
        margin: 0 auto;
    }
    .hero-visual {
        order: -1;
        margin-bottom: 20px;
    }
}

/* ============================================================
   Trust strip
   ============================================================ */
.strip {
    border-top: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
}

.strip-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 28px 24px;
}

.strip-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
    text-align: center;
}

.strip-item strong {
    color: #fff;
    font-size: .95rem;
}

.strip-item span {
    font-size: .78rem;
    color: var(--text-faint);
}

@media (max-width:700px) {
    .strip-inner {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

/* ============================================================
   Sections (generic)
   ============================================================ */
.section {
    padding: 100px 0;
}

.section-alt {
    background: var(--bg-alt);
}

.section-head {
    max-width: 600px;
    margin: 0 0 50px;
}

.section-title {
    font-size: clamp(1.7rem, 3vw, 2.3rem);
    font-weight: 700;
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.about-copy p {
    margin-bottom: 16px;
}

.about-stats {
    display: flex;
    gap: 36px;
    margin-top: 28px;
    flex-wrap: wrap;
}

.about-stats strong {
    display: block;
    color: var(--accent-cyan);
    font-family: var(--font-display);
    font-size: 1.3rem;
}

.about-stats span {
    font-size: .8rem;
    color: var(--text-faint);
}

@media (max-width:860px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 34px;
    }
}

/* Service cards */
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 30px 26px;
    transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}

.card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 216, 246, .35);
    background: #131b2c;
}

.card-icon {
    font-size: 1.4rem;
    color: var(--accent-cyan);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--card-border);
    border-radius: 10px;
    margin-bottom: 18px;
}

.card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.card p {
    font-size: .92rem;
}

@media (max-width:960px) {
    .cards {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width:640px) {
    .cards {
        grid-template-columns: 1fr;
    }
}

/* Process */
.process-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.process-step {
    display: flex;
    gap: 28px;
    padding: 30px 0;
    border-top: 1px solid var(--card-border);
}

.process-step:last-child {
    border-bottom: 1px solid var(--card-border);
}

.step-num {
    font-family: var(--font-mono);
    color: var(--accent-cyan);
    font-size: 1rem;
    padding-top: 2px;
    flex: 0 0 40px;
}

.process-step h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.process-step p {
    max-width: 560px;
    font-size: .94rem;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 60px;
}

.contact-sub {
    margin: 18px 0 30px;
    max-width: 420px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.contact-info a {
    color: var(--accent-cyan);
    font-weight: 600;
}

.contact-info span {
    font-size: .85rem;
    color: var(--text-faint);
}

.contact-form {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 32px;
}

.form-row {
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-row label {
    font-size: .85rem;
    color: var(--text-dim);
}

.form-row .opt {
    color: var(--text-faint);
    font-weight: 400;
}

.form-row input,
.form-row select,
.form-row textarea {
    background: #0C1220;
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 11px 13px;
    color: var(--text);
    font-family: var(--font-body);
    font-size: .94rem;
    outline: none;
    transition: border-color .2s;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
    border-color: var(--accent-cyan);
}

.form-row textarea {
    resize: vertical;
}

.hp-field {
    position: absolute;
    left: -9999px;
    opacity: 0;
}

.form-alert {
    padding: 12px 14px;
    border-radius: 8px;
    font-size: .88rem;
    margin-bottom: 18px;
}

.form-alert.success {
    background: rgba(40, 200, 64, .1);
    border: 1px solid rgba(40, 200, 64, .35);
    color: #8be79c;
}

.form-alert.error {
    background: rgba(255, 95, 87, .1);
    border: 1px solid rgba(255, 95, 87, .35);
    color: #ffb0ab;
}

@media (max-width:860px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
    border-top: 1px solid var(--card-border);
    padding: 56px 0 0;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 36px;
}

.footer-brand p {
    font-size: .85rem;
    margin-top: 8px;
}

.footer-legal p {
    font-size: .82rem;
    margin: 0 0 4px;
}

.footer-legal strong {
    color: var(--text);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: .88rem;
    color: var(--text-dim);
}

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

.footer-bottom {
    border-top: 1px solid var(--card-border);
    padding: 20px 24px;
    font-size: .78rem;
    color: var(--text-faint);
}

@media (max-width:700px) {
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* ============================================================
   Reveal-on-scroll
   ============================================================ */
.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .7s var(--ease), transform .7s var(--ease);
}

.reveal.in-view {
    opacity: 1;
    transform: translateY(0);
}

.hp-field {
    display: none !important;
}