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

:root {
    --color-primary: #0d2b4a;
    --color-primary-light: #1a4a7a;
    --color-accent: #e85d04;
    --color-accent-hover: #d04d00;
    --color-text: #1a1a2e;
    --color-text-light: #555;
    --color-bg: #ffffff;
    --color-bg-alt: #f5f7fa;
    --color-bg-dark: #0a1929;
    --color-border: #e0e0e0;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --max-width: 1200px;
    --header-height: 120px;
    --radius: 12px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
    --transition: 0.3s ease;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
}

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

ul { list-style: none; }

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

.section__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section__tag {
    display: inline-block;
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section__header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section__header p {
    color: var(--color-text-light);
    font-size: 1.1rem;
}

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

.about__certification {
    margin-bottom: 20px;
}

.about__cert-badge {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    background: linear-gradient(135deg, #fff8f0, #fff);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius);
    padding: 16px 24px;
    box-shadow: var(--shadow-md);
}

.about__cert-img {
    height: 70px;
    width: auto;
}

.about__cert-badge strong {
    display: block;
    color: var(--color-primary);
    font-size: 1rem;
}

.about__cert-badge span {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-family);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
}

.btn--primary {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

.btn--primary:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(232, 93, 4, 0.35);
}

.btn--outline {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.5);
}

.btn--outline:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.1);
}

.btn--large {
    padding: 18px 40px;
    font-size: 1.05rem;
}

.btn--full {
    width: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.header__top {
    background: var(--color-primary);
    padding: 10px 0;
}

.header__top-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header__top-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header__contact {
    display: flex;
    gap: 30px;
    font-size: 0.85rem;
}

.header__contact a {
    color: rgba(255,255,255,0.85);
    transition: color var(--transition);
}

.header__contact a:hover {
    color: var(--color-accent);
}

.header__lang {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
}

.lang-link {
    color: rgba(255,255,255,0.5);
    transition: color var(--transition);
    letter-spacing: 1px;
}

.lang-link:hover,
.lang-link.active {
    color: #fff;
}

.lang-sep {
    color: rgba(255,255,255,0.3);
    font-weight: 300;
}

/* Navbar */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 48px;
    width: auto;
}

.logo__iso {
    height: 48px;
    width: auto;
    padding-left: 12px;
    margin-left: 12px;
    border-left: 1px solid var(--color-border);
}

.logo__text {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: 1px;
}

.logo__accent {
    color: var(--color-accent);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    padding: 5px 0;
    transition: color var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.btn--quote {
    padding: 12px 24px;
    font-size: 0.85rem;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 28px;
    height: 2.5px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: all var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #0a1929 0%, #0d2b4a 50%, #1a3a5c 100%);
    padding: calc(var(--header-height) + 60px) 0 40px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(232, 93, 4, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(13, 43, 74, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(26, 74, 122, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.hero__overlay {
    display: none;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero__content {
    max-width: 700px;
}

.hero__badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(232, 93, 4, 0.15);
    border: 1px solid rgba(232, 93, 4, 0.3);
    border-radius: 50px;
    color: var(--color-accent);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero__content h1 {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.1;
    color: #fff;
    margin-bottom: 20px;
}

.hero__content p {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 36px;
    max-width: 560px;
    line-height: 1.8;
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Stats */
.hero__stats {
    position: relative;
    z-index: 1;
    margin-top: 80px;
    width: 100%;
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.stat {
    text-align: center;
    padding: 24px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
}

.stat__number {
    font-size: 2.8rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
}

.stat__suffix {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-left: 4px;
}

.stat__label {
    display: block;
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    margin-top: 8px;
}

/* About */
.about {
    background: var(--color-bg);
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about__content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 20px;
    line-height: 1.2;
}

.about__content p {
    color: var(--color-text-light);
    margin-bottom: 16px;
}

.about__list {
    margin: 24px 0 32px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.about__list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    color: var(--color-text);
}

.about__list li::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    flex-shrink: 0;
}

.about__image {
    position: relative;
}

.about__image-wrapper {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about__img-placeholder {
    width: 100%;
    height: 450px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: rgba(255,255,255,0.5);
    font-weight: 500;
    font-size: 1.1rem;
}

.about__experience {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--color-accent);
    color: #fff;
    padding: 24px 32px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.about__exp-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
}

/* Founder */
.founder {
    background: var(--color-bg-alt);
}

.founder__grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: center;
}

.founder__image {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.founder__img-placeholder {
    width: 320px;
    height: 360px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.founder__img-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.founder__img-placeholder svg {
    width: 80px;
    height: 80px;
    color: rgba(255,255,255,0.3);
}

.founder__publication {
    width: 320px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.founder__publication img {
    width: 100%;
    height: auto;
    display: block;
}

.founder__pub-caption {
    display: block;
    padding: 8px 12px;
    font-size: 0.75rem;
    color: var(--color-text-light);
    background: var(--color-bg);
    text-align: center;
}

.founder__content h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.founder__title {
    color: var(--color-accent);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 24px;
}

.founder__content p {
    color: var(--color-text-light);
    margin-bottom: 16px;
    line-height: 1.8;
}

.founder__social {
    margin-top: 20px;
}

.founder__social a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: var(--color-primary);
    border-radius: 50px;
    color: #fff;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition);
}

.founder__social a:hover {
    background: var(--color-accent);
    transform: translateY(-3px);
    color: #fff;
    text-decoration: none;
}

.founder__social a svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .founder__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .founder__img-placeholder {
        width: 240px;
        height: 280px;
    }

    .founder__content h2 {
        font-size: 1.8rem;
    }
}

/* Services */
.services {
    background: var(--color-bg-alt);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    background: #fff;
    padding: 36px 28px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.service-card__icon {
    width: 56px;
    height: 56px;
    background: rgba(232, 93, 4, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-card__icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-accent);
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* CTA */
.cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, #0d2b4a 100%);
    padding: 80px 0;
    text-align: center;
}

.cta__content {
    max-width: 650px;
    margin: 0 auto;
}

.cta__content h2 {
    font-size: 2.4rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
}

.cta__content p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 32px;
    font-size: 1.1rem;
}

/* Clients */
.clients {
    background: var(--color-bg);
}

.clients__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.client-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition);
}

.client-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.client-card__logo {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100px;
    margin-bottom: 20px;
    padding: 10px;
}

.client-card__logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.client-card p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .clients__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .clients__grid {
        grid-template-columns: 1fr;
    }
}

/* Showcase */
.showcase {
    background: var(--color-bg);
}

.showcase__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.showcase__item {
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
}

.showcase__item img {
    width: 100%;
    height: 260px;
    object-fit: cover;
    display: block;
    transition: transform var(--transition);
}

.showcase__item:hover img {
    transform: scale(1.05);
}

.showcase__label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 20px;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
}

/* Catalogues */
.catalogues {
    background: var(--color-bg);
}

.catalogues__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    max-width: 700px;
    margin: 0 auto;
}

.catalogue-card {
    display: block;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    transition: all var(--transition);
}

.catalogue-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.catalogue-card__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: var(--color-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.catalogue-card__icon svg {
    width: 32px;
    height: 32px;
    color: #fff;
}

.catalogue-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.catalogue-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.catalogue-card__link {
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.9rem;
}

.catalogue-card:hover .catalogue-card__link {
    text-decoration: underline;
}

@media (max-width: 600px) {
    .catalogues__grid {
        grid-template-columns: 1fr;
    }
}

/* Contact */
.contact {
    background: var(--color-bg-alt);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact__card {
    background: #fff;
    padding: 24px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.contact__card h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-light);
    margin-bottom: 8px;
}

.contact__card a,
.contact__card p {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-primary);
}

.contact__card a:hover {
    color: var(--color-accent);
}

.contact__social {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.contact__social a {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.contact__social a:hover {
    background: var(--color-accent);
    transform: translateY(-3px);
}

.contact__social svg {
    width: 20px;
    height: 20px;
    fill: #fff;
}

/* Form */
.contact__form {
    background: #fff;
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.form__group {
    margin-bottom: 20px;
}

.form__group input,
.form__group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--color-border);
    border-radius: 8px;
    font-family: var(--font-family);
    font-size: 0.95rem;
    transition: border-color var(--transition);
    background: var(--color-bg);
}

.form__group input:focus,
.form__group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

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

/* Footer */
.footer {
    background: var(--color-bg-dark);
    color: rgba(255,255,255,0.7);
    padding: 60px 0 0;
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer__brand .logo__text {
    color: #fff;
}

.footer__brand p {
    margin-top: 16px;
    font-size: 0.95rem;
    line-height: 1.8;
}

.footer__social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer__social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: #fff;
    transition: all var(--transition);
}

.footer__social a:hover {
    background: var(--color-accent);
    color: #fff;
    transform: translateY(-2px);
}

.footer__social a svg {
    width: 20px;
    height: 20px;
}

.footer__links h4 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer__links ul li {
    margin-bottom: 10px;
}

.footer__links ul li a {
    color: rgba(255,255,255,0.6);
    transition: color var(--transition);
    font-size: 0.95rem;
}

.footer__links ul li a:hover {
    color: var(--color-accent);
}

.footer__bottom {
    text-align: center;
    padding: 24px 0;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
}

/* Responsive */
@media (max-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .showcase__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero__content h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 100px;
    }

    .header__top {
        display: none;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 30px 20px;
        gap: 20px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition);
    }

    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .hamburger {
        display: flex;
    }

    .btn--quote {
        display: none;
    }

    .hero__content h1 {
        font-size: 2.2rem;
    }

    .hero__content p {
        font-size: 1rem;
    }

    .stats__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .stat__number {
        font-size: 2rem;
    }

    .about__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .about__img-placeholder {
        height: 300px;
    }

    .about__experience {
        bottom: -15px;
        right: -10px;
        padding: 16px 24px;
    }

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

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

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

    .contact__form {
        padding: 24px;
    }

    .section__header h2 {
        font-size: 2rem;
    }

    .cta__content h2 {
        font-size: 1.8rem;
    }

    .section {
        padding: 60px 0;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero__content h1 {
        font-size: 1.8rem;
    }

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

    .hero__actions {
        flex-direction: column;
    }

    .hero__actions .btn {
        width: 100%;
    }
}