/* ========================================
   TuzziTech — Main Stylesheet
   ======================================== */

:root {
    --color-background: #020807;
    --color-background-secondary: #061311;
    --color-surface: #071A17;
    --color-surface-hover: #0B2823;
    --color-primary: #00F5C3;
    --color-primary-dark: #00CFA5;
    --color-text: #FFFFFF;
    --color-text-secondary: #B7C6C3;
    --color-text-muted: #71827E;
    --color-border: rgba(0, 245, 195, 0.22);
    --color-glow: rgba(0, 245, 195, 0.30);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --container-max: 1400px;
    --navbar-height: 80px;
    --radius: 8px;
    --radius-lg: 12px;
    --transition: 300ms ease;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-family);
    background: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; color: inherit; }
input, textarea, select { font-family: inherit; }

/* ---- Utilities ---- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}
.text-primary { color: var(--color-primary); }
.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 16px;
}
.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}
.section-text {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 480px;
}
.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-primary);
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 16px;
    transition: gap var(--transition);
}
.link-arrow:hover { gap: 12px; }

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 14px 28px;
    border-radius: var(--radius);
    transition: all var(--transition);
    white-space: nowrap;
}
.btn--primary {
    background: var(--color-primary);
    color: var(--color-background);
}
.btn--primary:hover {
    background: var(--color-primary-dark);
    box-shadow: 0 0 24px var(--color-glow);
}
.btn--outline {
    border: 1px solid var(--color-border);
    color: var(--color-text);
    background: transparent;
}
.btn--outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(0, 245, 195, 0.05);
}
.btn--outline-light {
    border: 1px solid var(--color-border);
    color: var(--color-text);
    background: transparent;
}
.btn--outline-light:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.btn--ghost {
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--color-text);
    background: transparent;
}
.btn--ghost:hover {
    border-color: rgba(255,255,255,0.4);
    background: rgba(255,255,255,0.05);
}
.btn--sm { padding: 10px 20px; font-size: 0.85rem; }
.btn--lg { padding: 16px 36px; font-size: 1rem; }
.btn__arrow { transition: transform var(--transition); }
.btn:hover .btn__arrow { transform: translateX(4px); }
.btn__play {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.3);
    font-size: 0.7rem;
}

/* ============================
   NAVBAR
   ============================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--navbar-height);
    z-index: 1000;
    transition: background var(--transition), backdrop-filter var(--transition);
}
.navbar--scrolled {
    background: rgba(2, 8, 7, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0, 245, 195, 0.08);
}
.navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.navbar__logo-img {
    height: 32px;
    width: auto;
}
.navbar__nav { display: flex; }
.navbar__links {
    display: flex;
    gap: 32px;
}
.navbar__links a {
    font-size: 0.88rem;
    font-weight: 400;
    color: var(--color-text-secondary);
    transition: color var(--transition);
    position: relative;
}
.navbar__links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: width var(--transition);
}
.navbar__links a:hover { color: var(--color-primary); }
.navbar__links a:hover::after { width: 100%; }
.navbar__actions {
    display: flex;
    align-items: center;
    gap: 16px;
}
.navbar__lang {
    display: flex;
    gap: 4px;
}
.lang-btn {
    font-size: 0.8rem;
    font-weight: 500;
    padding: 4px 8px;
    border-radius: 4px;
    color: var(--color-text-muted);
    transition: color var(--transition);
}
.lang-btn--active { color: var(--color-text); }
.lang-btn:hover { color: var(--color-primary); }
.navbar__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    padding: 4px 0;
}
.navbar__hamburger span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition);
}
.navbar__hamburger.is-active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.navbar__hamburger.is-active span:nth-child(2) { opacity: 0; }
.navbar__hamburger.is-active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================
   HERO
   ============================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--navbar-height);
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at 70% 50%, rgba(0,245,195,0.06) 0%, transparent 60%);
    pointer-events: none;
}
.hero__inner {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    align-items: center;
    gap: 40px;
    min-height: calc(100vh - var(--navbar-height));
    padding: 60px 0;
}
.hero__content { position: relative; z-index: 2; }
.hero__tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 24px;
}
.hero__title {
    font-size: clamp(2.8rem, 5vw, 5.5rem);
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}
.hero__text {
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
    color: var(--color-text-secondary);
    line-height: 1.8;
    max-width: 460px;
    margin-bottom: 36px;
}
.hero__buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Globe area */
.hero__globe {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}
#globeCanvas {
    width: 100% !important;
    height: 100% !important;
    position: absolute;
    top: 0;
    left: 0;
}

/* Globe floating labels */
.globe-label {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 3;
    pointer-events: none;
}
.globe-label__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 8px var(--color-glow);
    flex-shrink: 0;
}
.globe-label__line {
    width: 40px;
    height: 1px;
    background: var(--color-border);
    flex-shrink: 0;
}
.globe-label__text {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    line-height: 1.4;
    white-space: nowrap;
}
.globe-label--top-right { top: 10%; right: 0; }
.globe-label--mid-left { top: 40%; left: 0; }
.globe-label--bottom-right { bottom: 20%; right: 5%; }
.globe-badge {
    position: absolute;
    bottom: 10%;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
    z-index: 3;
}
.globe-badge span {
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

/* ============================
   METRICS
   ============================ */
.metrics {
    position: relative;
    padding: 60px 0;
    border-top: 1px solid rgba(255,255,255,0.06);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.metrics__inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}
.metrics__item {
    text-align: center;
    padding: 20px;
    position: relative;
}
.metrics__item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 20%;
    height: 60%;
    width: 1px;
    background: rgba(255,255,255,0.08);
}
.metrics__value {
    display: block;
    font-size: clamp(2rem, 3vw, 3rem);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 8px;
}
.metrics__label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ============================
   SOLUTIONS
   ============================ */
.solutions {
    padding: 100px 0;
}
.solutions__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 60px;
    gap: 40px;
}
.solutions__header-right {
    text-align: right;
    max-width: 480px;
}
.solutions__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* Cards */
.card {
    background: rgba(7, 26, 23, 0.6);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    display: flex;
    flex-direction: column;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0%, rgba(0,245,195,0.06) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--transition);
}
.card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0,245,195,0.08);
}
.card:hover::before { opacity: 1; }
.card__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--color-primary);
    margin-bottom: 24px;
    border-radius: var(--radius);
    background: rgba(0,245,195,0.08);
    position: relative;
    z-index: 1;
}
.card__title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}
.card__text {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    flex: 1;
    position: relative;
    z-index: 1;
}
.card__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-top: 24px;
    transition: all var(--transition);
    position: relative;
    z-index: 1;
}
.card:hover .card__btn {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(0,245,195,0.1);
}

/* ============================
   ABOUT
   ============================ */
.about {
    padding: 100px 0;
    background: var(--color-background-secondary);
    position: relative;
    overflow: hidden;
}
.about__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.about__content { position: relative; z-index: 2; }
.about__keywords {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-top: 48px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--color-text-muted);
}
.about__keyword-line {
    width: 40px;
    height: 1px;
    background: var(--color-text-muted);
}
.about__image { position: relative; }
.about__image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--color-surface);
}
.about__image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.about__overlay-card {
    position: absolute;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    background: rgba(2, 8, 7, 0.55);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 245, 195, 0.25);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(0, 245, 195, 0.08);
    min-width: 200px;
}
.about__overlay-card span {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.about__side-label {
    position: absolute;
    right: -20px;
    bottom: 10%;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
}
.about__side-label span {
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

/* ============================
   VALUES
   ============================ */
.values {
    padding: 100px 0;
    background: var(--color-background);
}
.values__header { margin-bottom: 60px; }
.values__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}
.values__item {
    text-align: left;
}
.values__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 20px;
    border-radius: var(--radius);
    background: rgba(0,245,195,0.08);
}
.values__title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.values__text {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ============================
   CONTACT FORM
   ============================ */
.contact-section {
    padding: 100px 0;
    background: var(--color-background-secondary);
}
.contact__header { margin-bottom: 48px; }
.contact-form { max-width: 800px; }
.contact-form__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 32px;
}
.form-group--full { grid-column: 1 / -1; }
.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--color-surface);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius);
    color: var(--color-text);
    font-size: 0.9rem;
    transition: border-color var(--transition);
    outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    cursor: pointer;
}
.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--color-primary);
    flex-shrink: 0;
}
.contact-form__status {
    margin-top: 16px;
    font-size: 0.9rem;
    min-height: 24px;
}
.contact-form__status--success { color: var(--color-primary); }
.contact-form__status--error { color: #f44336; }

/* ============================
   FOOTER
   ============================ */
.footer {
    padding: 40px 0;
    border-top: 1px solid rgba(255,255,255,0.06);
}
.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}
.footer__left {
    display: flex;
    align-items: center;
    gap: 20px;
}
.footer__logo-img {
    height: 24px;
    width: auto;
}
.footer__copy {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}
.footer__right {
    display: flex;
    align-items: center;
    gap: 32px;
}
.footer__nav {
    display: flex;
    gap: 24px;
}
.footer__nav a {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    transition: color var(--transition);
}
.footer__nav a:hover { color: var(--color-primary); }
.footer__social {
    display: flex;
    gap: 16px;
}
.footer__social a {
    font-size: 1rem;
    color: var(--color-text-muted);
    transition: color var(--transition);
}
.footer__social a:hover { color: var(--color-primary); }

/* ---- WebGL Fallback ---- */
.globe-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle, rgba(0,245,195,0.1) 0%, transparent 70%);
    border-radius: 50%;
}