/* ============================================
   OBSIDIAN ARC - Global Styles
   ============================================ */

/* --- CSS RESET & VARIABLES --- */
:root {
    --bg-color: #080808;
    --bg-secondary: #0a0a0a;
    --card-bg: #111111;
    --card-bg-hover: #161616;
    --text-main: #E0E0E0;
    --text-muted: #9a9a9a;
    --text-light: #b0b0b0;
    --accent: #D4AF37;
    --accent-hover: #F2C94C;
    --accent-dark: #b8962e;
    --border-color: #2a2a2a;
    --border-light: #484848;
    --font-serif: 'Garamond', 'Playfair Display', Georgia, serif;
    --font-sans: 'Helvetica Neue', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.4s ease;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(212, 175, 55, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
}

ul {
    list-style: none;
}

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

/* --- ACCESSIBILITY --- */
.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--bg-color);
    padding: 0.75rem 1.5rem;
    z-index: 10000;
    font-weight: 600;
    border-radius: 0 0 4px 4px;
}

.skip-link:focus {
    top: 0;
}

*:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

*:focus:not(:focus-visible) {
    outline: none;
}

*:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* --- UTILITIES --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container--narrow {
    max-width: 900px;
}

.container--wide {
    max-width: 1400px;
}

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

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

/* --- BUTTONS --- */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: var(--transition-slow);
    text-align: center;
}

.btn:hover,
.btn:focus {
    background: var(--accent);
    color: var(--bg-color);
    box-shadow: var(--shadow-glow);
}

.btn--primary {
    background: var(--accent);
    color: var(--bg-color);
}

.btn--primary:hover,
.btn--primary:focus {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.btn--small {
    padding: 0.75rem 1.5rem;
    font-size: 0.75rem;
}

.btn--large {
    padding: 1.25rem 3rem;
    font-size: 0.9rem;
}

/* Button element reset for .btn class */
button.btn {
    border: 1px solid var(--accent);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    line-height: 1.6;
    -webkit-appearance: none;
    appearance: none;
}

/* --- NAVIGATION --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(8, 8, 8, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.nav__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    height: 72px;
}

.nav__logo {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    letter-spacing: 2px;
    color: var(--text-main);
    font-weight: 400;
}

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

.nav__menu {
    justify-self: center;
    display: flex;
    align-items: center;
    gap: 0;
}

/* Client Login - desktop version (outside menu) */
.nav__login--desktop {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.nav__login--desktop:hover {
    color: var(--accent);
}

/* Client Login inside menu - hidden on desktop */
.nav__item--actions {
    display: none;
}

.nav__item {
    position: relative;
}

.nav__link {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 1.5rem 1.25rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.nav__link:hover,
.nav__link:focus,
.nav__link--active {
    color: var(--text-main);
}

.nav__link svg {
    width: 10px;
    height: 10px;
    transition: transform var(--transition-fast);
}

.nav__item:hover .nav__link svg,
.nav__item:focus-within .nav__link svg {
    transform: rotate(180deg);
}

/* Dropdown */
.nav__dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 280px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-fast);
    box-shadow: var(--shadow-lg);
}

.nav__item:hover .nav__dropdown,
.nav__item:focus-within .nav__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav__dropdown-item {
    display: block;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.nav__dropdown-item:last-child {
    border-bottom: none;
}

.nav__dropdown-item:hover,
.nav__dropdown-item:focus {
    background: var(--card-bg-hover);
    padding-left: 1.75rem;
}

.nav__dropdown-title {
    display: block;
    font-size: 0.85rem;
    color: var(--text-main);
    margin-bottom: 0.25rem;
}

.nav__dropdown-desc {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Nav Actions */
.nav__actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav__cta {
    padding: 0.6rem 1.25rem;
    font-size: 0.7rem;
}

.nav__login {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

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

/* Mobile Menu Toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav__toggle-line {
    width: 24px;
    height: 2px;
    background: var(--text-main);
    transition: var(--transition-fast);
}

.nav__toggle-line:nth-child(2) {
    margin: 6px 0;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(2) {
    opacity: 0;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* Mobile Navigation */
@media (max-width: 1024px) {
    .nav__container {
        display: flex;
        justify-content: space-between;
    }

    .nav__toggle {
        display: flex;
        z-index: 1001;
    }

    /* Hide desktop login on mobile */
    .nav__login--desktop {
        display: none;
    }

    .nav__menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: calc(100vh - 72px);
        height: calc(100dvh - 72px);
        display: flex;
        flex-direction: column;
        align-items: stretch;
        justify-self: auto;
        background: var(--bg-color);
        border-top: 1px solid var(--border-color);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        padding: 1.5rem;
        gap: 0;
        transform: translateX(100%);
        transition: transform var(--transition-normal);
        overflow-y: auto;
        z-index: 999;
        -webkit-overflow-scrolling: touch;
    }

    .nav__menu.is-open {
        transform: translateX(0);
    }

    .nav__item {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }

    /* Show actions item in mobile menu */
    .nav__item--actions {
        display: block;
        border-bottom: none;
        margin-top: auto;
        padding-top: 1.5rem;
        border-top: 1px solid var(--border-color);
    }

    .nav__item--actions .nav__login {
        display: block;
        text-align: center;
        padding: 1rem;
        font-size: 0.9rem;
        min-height: 52px;
        line-height: 1.5;
        color: var(--text-muted);
    }

    .nav__link {
        display: flex;
        width: 100%;
        padding: 1.25rem 0;
        font-size: 1rem;
        color: var(--text-muted);
        justify-content: space-between;
        min-height: 56px;
        align-items: center;
    }
    
    .nav__link:hover {
        color: var(--text-main);
    }

    .nav__dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        border: none;
        background: transparent;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-normal);
    }

    .nav__item.is-open .nav__dropdown {
        max-height: 500px;
    }

}

/* --- PAGE HEADER (for inner pages) --- */
.page-header {
    padding: 8rem 0 4rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-color) 100%);
}

.page-header__tagline {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 1.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
}

.page-header__title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: #fff;
    margin-bottom: 1.5rem;
}

.page-header__description {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* --- HERO SECTION --- */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding-top: 72px;
    border-bottom: 1px solid var(--border-color);
}

.hero__content {
    max-width: 800px;
}

.hero__tagline {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 2rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
}

.hero__title {
    font-size: clamp(3rem, 6vw, 5.5rem);
    line-height: 1.05;
    margin-bottom: 1.5rem;
    color: #fff;
}

.hero__description {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 550px;
    margin-bottom: 3rem;
    font-weight: 300;
}

.hero__actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* --- SECTION STYLES --- */
.section {
    padding: 6rem 0;
}

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

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

.section__header {
    text-align: center;
    margin-bottom: 4rem;
}

.section__tagline {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 1rem;
}

.section__title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: #fff;
    margin-bottom: 1rem;
}

.section__description {
    font-size: 1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* --- VALUE PROPOSITIONS --- */
.value-props {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.value-prop {
    padding: 2.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.value-prop:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.value-prop__icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.5rem;
    color: var(--accent);
}

.value-prop__title {
    font-size: 1.25rem;
    color: #fff;
    margin-bottom: 1rem;
}

.value-prop__description {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
}

@media (max-width: 900px) {
    .value-props {
        grid-template-columns: 1fr;
    }
}

/* --- PROBLEM/SOLUTION SECTION --- */
.problem {
    padding: 6rem 0;
}

.problem__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.problem__title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    color: #fff;
    line-height: 1.2;
}

.problem__text {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.8;
}

.stat-box {
    border-left: 2px solid var(--accent);
    padding-left: 1.5rem;
    margin-top: 2rem;
}

.stat-box__number {
    display: block;
    font-size: 1.5rem;
    color: var(--text-main);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.stat-box__label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .problem__grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* --- SERVICES TABS --- */
.services {
    background-color: var(--card-bg);
    padding: 6rem 0;
}

.tab-navigation {
    display: flex;
    justify-content: center;
    gap: 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 4rem;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 1.5rem 2rem;
    cursor: pointer;
    transition: var(--transition-fast);
    border-bottom: 2px solid transparent;
    position: relative;
}

.tab-btn:hover {
    color: var(--text-main);
}

.tab-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.service-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.service-header__title {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #fff;
}

.service-header__description {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.service-features {
    border-left: 2px solid var(--accent);
    padding-left: 2rem;
}

.service-features__title {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.service-features__list li {
    color: var(--text-muted);
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.service-features__list li:last-child {
    border-bottom: none;
}

.service-features__list li::before {
    content: "\2192";
    color: var(--accent);
    margin-right: 0.75rem;
    font-weight: bold;
}

.service-features__list strong {
    color: var(--text-main);
}

@media (max-width: 768px) {
    .tab-navigation {
        display: none;
    }

    .tab-content {
        display: block !important;
        margin-bottom: 3rem;
        padding: 2.5rem 1.5rem;
        background: linear-gradient(135deg, rgba(20, 20, 20, 0.8) 0%, rgba(10, 10, 10, 0.95) 100%);
        border: 1px solid var(--border-color);
        border-radius: 8px;
    }

    .tab-content:last-of-type {
        margin-bottom: 0;
    }

    .service-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .service-header__title {
        text-align: center;
    }

    .service-header__description {
        text-align: center;
    }

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

    .service-features {
        border-left: none;
        border-top: 2px solid var(--accent);
        padding-left: 0;
        padding-top: 2rem;
    }

    .service-features__title {
        text-align: center;
    }
}

/* --- TRUST/CLIENTS SECTION --- */
.trust {
    padding: 4rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.trust__label {
    text-align: center;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.trust__logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    flex-wrap: wrap;
    opacity: 0.6;
}

.trust__logo {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 1rem 1.5rem;
    border: 1px solid var(--border-color);
}

/* --- TESTIMONIALS --- */
.testimonials {
    padding: 6rem 0;
}

.testimonial {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.testimonial__quote {
    font-family: var(--font-serif);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: var(--text-main);
    line-height: 1.6;
    margin-bottom: 2rem;
    font-style: italic;
}

.testimonial__quote::before {
    content: "\201C";
    color: var(--accent);
    font-size: 3rem;
    line-height: 0;
    vertical-align: middle;
    margin-right: 0.25rem;
}

.testimonial__author {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.testimonial__author strong {
    color: var(--accent);
    display: block;
    margin-bottom: 0.25rem;
}

/* --- OFFER/CTA BOX --- */
.offer {
    padding: 6rem 0;
    text-align: center;
}

.offer__box {
    border: 1px solid var(--border-light);
    padding: 4rem 2rem;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.offer__box::before {
    content: attr(data-label);
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-color);
    padding: 0 1rem;
    color: var(--accent);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.offer__title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #fff;
}

.offer__description {
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.offer__details {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.offer__details-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.offer__details-text {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* --- PRODUCTS/CARDS GRID --- */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 2rem;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.product-card__badge {
    display: inline-block;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    background: rgba(212, 175, 55, 0.1);
    padding: 0.35rem 0.75rem;
    margin-bottom: 1rem;
    align-self: flex-start;
}

.product-card__title {
    font-size: 1.35rem;
    color: #fff;
    margin-bottom: 1rem;
}

.product-card__description {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.product-card__features {
    margin-bottom: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.product-card__features li {
    font-size: 0.8rem;
    color: var(--text-muted);
    padding: 0.35rem 0;
}

.product-card__features li::before {
    content: "\2713";
    color: var(--accent);
    margin-right: 0.5rem;
}

.product-card__cta {
    margin-top: auto;
}

/* --- CONTACT FORM --- */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--bg-color);
    border: 1px solid var(--border-light);
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: border-color var(--transition-fast);
}

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

.form-input::placeholder,
.form-textarea::placeholder {
    color: #757575;
}

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239a9a9a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* --- TEAM GRID --- */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.team-member {
    text-align: center;
    padding: 2rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
}

.team-member__avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--border-color);
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-muted);
}

.team-member__name {
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 0.25rem;
}

.team-member__role {
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.team-member__bio {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* --- TIMELINE --- */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline__item {
    position: relative;
    padding-bottom: 3rem;
}

.timeline__item:last-child {
    padding-bottom: 0;
}

.timeline__item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 0.5rem;
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
    transform: translateX(-4px);
}

.timeline__year {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.timeline__title {
    font-size: 1.25rem;
    color: #fff;
    margin-bottom: 0.5rem;
}

.timeline__description {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* --- FOOTER --- */
.footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer__brand {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    letter-spacing: 1px;
    color: var(--text-main);
    margin-bottom: 1rem;
}

.footer__description {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 300px;
}

.footer__title {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-main);
    margin-bottom: 1.5rem;
}

.footer__links li {
    margin-bottom: 0.75rem;
}

.footer__links a {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.footer__copyright {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.footer__legal a {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-left: 2rem;
}

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

@media (max-width: 900px) {
    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

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

    .footer__bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .footer__legal a {
        margin: 0 1rem;
    }
}

/* --- ICONS (SVG placeholders) --- */
.icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    stroke-width: 0;
    stroke: currentColor;
    fill: currentColor;
}

/* --- RESPONSIVE ADJUSTMENTS --- */
@media (max-width: 768px) {
    .container {
        padding: 0 1.25rem;
    }

    .section {
        padding: 4rem 0;
    }

    .section__header {
        margin-bottom: 3rem;
    }

    .hero {
        min-height: auto;
        padding: 8rem 0 4rem;
    }

    .hero__title {
        font-size: 2.5rem;
    }

    .hero__description {
        font-size: 1.1rem;
    }

    .hero__actions {
        flex-direction: column;
    }

    .hero__actions .btn {
        width: 100%;
    }

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

    .page-header__title {
        font-size: 2rem;
    }

    .trust__logos {
        gap: 1rem;
    }

    .trust__logo {
        font-size: 0.7rem;
        padding: 0.75rem 1rem;
    }

    .offer__box {
        padding: 2.5rem 1.5rem;
    }

    .offer__title {
        font-size: 1.75rem;
    }

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

    .product-card {
        padding: 1.5rem;
    }

    .timeline {
        padding-left: 1.5rem;
    }

    .timeline__item::before {
        left: -1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero__tagline,
    .page-header__tagline,
    .section__tagline {
        font-size: 0.65rem;
        letter-spacing: 2px;
    }

    .btn {
        padding: 0.9rem 1.75rem;
        font-size: 0.75rem;
    }

    .nav__container {
        padding: 0 1rem;
    }
}

/* --- CONTACT PAGE COMPACT LAYOUT --- */
.contact-section {
    padding: 8rem 0 4rem;
}

.contact-section__title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    color: #fff;
    margin-bottom: 0.5rem;
    font-weight: 400;
}

.contact-section__subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 600px) {
    .contact-section {
        padding: 6rem 0 3rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

/* --- PRODUCTS PAGE MAGAZINE LAYOUT --- */
.products-header {
    padding: 8rem 0 4rem;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-color) 100%);
}

.products-header__title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: #fff;
    margin-bottom: 2rem;
    font-weight: 400;
}

.products-header__intro {
    max-width: 700px;
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.8;
}

.products-header__intro p {
    margin-bottom: 1rem;
}

.products-header__intro p:last-child {
    margin-bottom: 0;
}

/* Featured Article */
.article-featured {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 3rem;
    position: relative;
}

.article-featured__label {
    display: inline-block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.article-featured__title {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    color: #fff;
    margin-bottom: 1.5rem;
    line-height: 1.3;
    font-weight: 400;
}

.article-featured__excerpt {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    max-width: 800px;
}

.article-featured__meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.article-featured__meta span {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

/* Article Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.article-card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 2rem;
    transition: var(--transition-normal);
}

.article-card:hover {
    border-color: var(--accent);
}

.article-card__label {
    display: inline-block;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    margin-bottom: 1rem;
}

.article-card__title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: #fff;
    margin-bottom: 1rem;
    line-height: 1.3;
    font-weight: 400;
}

.article-card__excerpt {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

@media (max-width: 900px) {
    .articles-grid {
        grid-template-columns: 1fr;
    }

    .article-featured {
        padding: 2rem;
    }

    .article-featured__title {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .products-header {
        padding: 7rem 0 3rem;
    }

    .products-header__title {
        font-size: 2rem;
    }

    .products-header__intro {
        font-size: 1rem;
    }

    .article-card {
        padding: 1.5rem;
    }
}