/* =============================================
   CUSTOM PROPERTIES
   ============================================= */
:root {
    --color-primary:       #1c3459;
    --color-primary-dark:  #12243d;
    --color-primary-light: #2d5a8e;
    --color-white:         #ffffff;
    --color-surface:       #f7f9fc;
    --color-surface-alt:   #eef2f8;
    --color-text:          #1a2537;
    --color-text-muted:    #596880;
    --color-border:        #dde4ef;
    --color-success:       #16a34a;
    --color-error:         #dc2626;

    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --radius-sm:  4px;
    --radius-md:  8px;
    --radius-lg:  14px;
    --radius-xl:  20px;

    --shadow-sm:  0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md:  0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.06);
    --shadow-lg:  0 8px 30px rgba(0,0,0,.10), 0 4px 8px rgba(0,0,0,.06);
    --shadow-xl:  0 20px 50px rgba(0,0,0,.12);

    --transition: 0.2s ease;

    --max-width: 1180px;
    --padding-x: 1.25rem;
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--color-text);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body.no-scroll { overflow: hidden; }

img, svg {
    display: block;
    max-width: 100%;
}

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

ul { list-style: none; }

address { font-style: normal; }

button {
    font-family: var(--font);
    cursor: pointer;
    border: none;
    background: none;
}

input, select, textarea {
    font-family: var(--font);
    font-size: 1rem;
}

/* =============================================
   LAYOUT
   ============================================= */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--padding-x);
}

/* =============================================
   TYPOGRAPHY
   ============================================= */
h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-text);
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: background var(--transition), color var(--transition),
                border-color var(--transition), box-shadow var(--transition),
                transform var(--transition);
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn:focus-visible {
    outline: 3px solid var(--color-primary-light);
    outline-offset: 3px;
}

/* Primary: dark blue fill */
.btn--primary {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}
.btn--primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    box-shadow: var(--shadow-md);
}

/* White fill (for use on dark backgrounds) */
.btn--white {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
}
.btn--white:hover {
    background: var(--color-surface);
    box-shadow: var(--shadow-md);
}

/* Ghost (transparent, white border – for hero) */
.btn--ghost {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255,255,255,0.55);
}
.btn--ghost:hover {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.8);
}

/* Outline (dark border on light bg) */
.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.btn--outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn--full { width: 100%; justify-content: center; }

.btn__icon { flex-shrink: 0; width: 18px; height: 18px; }

/* =============================================
   HEADER
   ============================================= */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: var(--color-white);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.header--scrolled {
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

.header__inner {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    height: 68px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-shrink: 0;
    color: var(--color-primary);
    text-decoration: none;
}
.logo--white { color: var(--color-white); }

.logo__mark {
    width: 34px;
    height: auto;
    flex-shrink: 0;
}

.logo__name {
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--color-text);
}
.logo--white .logo__name { color: var(--color-white); }

.logo__name strong { font-weight: 700; }

/* Desktop nav */
.nav { margin-left: auto; }

.nav__list {
    display: none;
    align-items: center;
    gap: 0.25rem;
}

.nav__link {
    display: block;
    padding: 0.4rem 0.75rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}
.nav__link:hover {
    color: var(--color-primary);
    background: var(--color-surface);
}

.header__cta { display: none; }

/* Hamburger */
.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 38px;
    height: 38px;
    padding: 6px;
    margin-left: auto;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}
.hamburger:hover { background: var(--color-surface); }

.hamburger span {
    display: block;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition), width var(--transition);
}
.hamburger span:nth-child(2) { width: 75%; }

.hamburger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
    position: fixed;
    top: 68px; left: 0; right: 0;
    z-index: 99;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem var(--padding-x) 1.5rem;
    box-shadow: var(--shadow-lg);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.mobile-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav__list { display: flex; flex-direction: column; gap: 0.25rem; }

.mobile-nav__link {
    display: block;
    padding: 0.65rem 0.75rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}
.mobile-nav__link:hover {
    color: var(--color-primary);
    background: var(--color-surface);
}

.mobile-nav__cta {
    display: block;
    margin-top: 0.5rem;
    text-align: center;
}

/* =============================================
   HERO
   ============================================= */
.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: center;
    padding-top: 68px;
    overflow: hidden;
}

.hero__media {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 60%;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(15, 25, 45, 0.72) 0%,
        rgba(15, 25, 45, 0.60) 60%,
        rgba(15, 25, 45, 0.80) 100%
    );
}

.hero__content {
    position: relative;
    z-index: 1;
    padding-top: 3rem;
    padding-bottom: 3rem;
    color: var(--color-white);
}

.hero__eyebrow {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.75);
    margin-bottom: 1rem;
}

.hero__title {
    font-size: clamp(2.2rem, 6vw, 3.75rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--color-white);
    margin-bottom: 1.25rem;
}

.hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.7;
    color: rgba(255,255,255,0.85);
    max-width: 520px;
    margin-bottom: 2rem;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.hero__trust {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem 2rem;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.trust-item {
    display: flex;
    flex-direction: column;
}

.trust-item strong {
    font-size: 1.625rem;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1;
}

.trust-item span {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.7);
    margin-top: 0.2rem;
}

.trust-divider {
    width: 1px;
    height: 36px;
    background: rgba(255,255,255,0.25);
    display: none;
}

/* =============================================
   SECTIONS (general)
   ============================================= */
.section {
    padding-top: 4.5rem;
    padding-bottom: 4.5rem;
}

.section--surface { background: var(--color-surface); }

.section--primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.section__header {
    text-align: center;
    margin-bottom: 3rem;
}

.section__label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary-light);
    margin-bottom: 0.5rem;
}

.section__label--light {
    color: rgba(255,255,255,0.6);
}

.section__title {
    font-size: clamp(1.625rem, 4vw, 2.375rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: 0.875rem;
}

.section__title--white { color: var(--color-white); }

.section__desc {
    font-size: 1.0625rem;
    color: var(--color-text-muted);
    max-width: 520px;
    margin-inline: auto;
}

/* =============================================
   SERVICES
   ============================================= */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

.service-card {
    position: relative;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem 1.75rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.service-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
    border-color: rgba(28,52,89,0.15);
}

.service-card--featured {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-md);
}

.service-card--featured:hover {
    box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-lg);
}

.service-card__badge {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    letter-spacing: 0.03em;
}

.service-card__icon {
    width: 52px;
    height: 52px;
    margin-bottom: 1.25rem;
}

.service-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.625rem;
}

.service-card__desc {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.65;
    margin-bottom: 1.25rem;
}

.service-card__list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.service-card__list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.service-card__list li::before {
    content: '';
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-primary);
    flex-shrink: 0;
    margin-top: 0.55em;
}

.services-note {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: 2.5rem;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

/* =============================================
   ABOUT
   ============================================= */
.about {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: start;
}

.about__visual {
    position: relative;
}

.about__img-wrap {
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-xl);
}

.about__img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.about__visual:hover .about__img-wrap img {
    transform: scale(1.03);
}

.about__badge {
    position: absolute;
    bottom: -1rem;
    right: 1.5rem;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.875rem 1.25rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    text-align: center;
}

.about__badge strong {
    font-size: 1.125rem;
    font-weight: 700;
}

.about__badge span {
    font-size: 0.75rem;
    opacity: 0.8;
    margin-top: 0.1rem;
}

.about__cert {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
    padding: 0.75rem 1rem;
    background: var(--color-surface-alt);
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.about__cert svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.about__content { padding-top: 1rem; }

.about__lead {
    font-size: 1.125rem;
    font-weight: 500;
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: 1rem;
    margin-top: 1rem;
}

.about__text {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.75;
    margin-bottom: 0.875rem;
}

.about__values {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.75rem;
    margin-bottom: 2rem;
}

.value-item {
    display: flex;
    gap: 0.875rem;
    align-items: flex-start;
}

.value-item__check {
    width: 24px;
    height: 24px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.value-item__check svg {
    width: 13px;
    height: 13px;
    color: var(--color-white);
}

.value-item strong {
    display: block;
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.value-item p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.about__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    padding: 1.5rem;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.stat strong {
    font-size: 1.625rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.stat span {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 0.3rem;
    line-height: 1.3;
}

/* =============================================
   PROJECTS
   ============================================= */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.project-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition);
}

.project-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.project-card__img-wrap {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.project-card__img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.project-card:hover .project-card__img-wrap img {
    transform: scale(1.05);
}

.project-card__tag {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.625rem;
    border-radius: 20px;
    letter-spacing: 0.03em;
}

.project-card__body {
    padding: 1.5rem;
}

.project-card__body h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.project-card__body p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.65;
    margin-bottom: 1rem;
}

.project-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-card__meta span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-primary);
    background: var(--color-surface-alt);
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
}

/* =============================================
   CONTACT
   ============================================= */
.contact {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.contact__info { color: var(--color-white); }

.contact__title {
    font-size: clamp(1.625rem, 3.5vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-white);
    margin-top: 0.5rem;
    margin-bottom: 0.875rem;
}

.contact__intro {
    font-size: 1.0625rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    color: var(--color-white);
    text-decoration: none;
    transition: opacity var(--transition);
}

a.contact-detail:hover { opacity: 0.85; }

.contact-detail__icon {
    width: 42px;
    height: 42px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-detail__icon svg {
    width: 20px;
    height: 20px;
    color: rgba(255,255,255,0.9);
}

.contact-detail strong {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: rgba(255,255,255,0.6);
    letter-spacing: 0.03em;
    text-transform: uppercase;
    margin-bottom: 0.125rem;
}

.contact-detail span {
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.9);
    line-height: 1.5;
}

/* Contact Form */
.contact__form-wrap {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 2rem 1.75rem;
    box-shadow: var(--shadow-xl);
}

.contact-form__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.contact-form__subtitle {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    margin-bottom: 1rem;
}

.form-group:last-child { margin-bottom: 0; }

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    color: var(--color-text);
    background: var(--color-white);
    transition: border-color var(--transition), box-shadow var(--transition);
    appearance: none;
    -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(28,52,89,0.1);
}

.form-group input.is-invalid,
.form-group textarea.is-invalid {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(220,38,38,0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #aab4c4;
}

.form-group textarea { resize: vertical; min-height: 100px; }

/* Select */
.select-wrap {
    position: relative;
}

.select-wrap select {
    width: 100%;
    padding: 0.625rem 2.5rem 0.625rem 0.875rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    color: var(--color-text);
    background: var(--color-white);
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.select-wrap select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(28,52,89,0.1);
}

.select-arrow {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--color-text-muted);
    pointer-events: none;
}

/* Checkbox */
.form-group--checkbox { margin-bottom: 1.25rem; }

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 0.1rem;
    accent-color: var(--color-primary);
    cursor: pointer;
    border: 1.5px solid var(--color-border);
    border-radius: 3px;
}

.checkbox-label__text {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.checkbox-label__text a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* Errors */
.form-error {
    font-size: 0.8125rem;
    color: var(--color-error);
    min-height: 1.2em;
}

/* Success */
.form-success {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.625rem;
    padding: 2rem 1rem;
}

.form-success__icon svg {
    width: 48px;
    height: 48px;
    color: var(--color-success);
}

.form-success strong {
    font-size: 1.125rem;
    font-weight: 700;
}

.form-success p {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    max-width: 320px;
    line-height: 1.6;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
    background: var(--color-primary-dark);
    color: rgba(255,255,255,0.75);
    padding-top: 3.5rem;
    padding-bottom: 1.5rem;
}

.footer__main {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 1.5rem;
}

.footer__tagline {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-top: 1rem;
    color: rgba(255,255,255,0.55);
}

.footer__col h4 {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.9);
    margin-bottom: 0.875rem;
}

.footer__col ul { display: flex; flex-direction: column; gap: 0.5rem; }

.footer__col a {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    transition: color var(--transition);
}

.footer__col a:hover { color: var(--color-white); }

.footer__col address { display: flex; flex-direction: column; gap: 0.5rem; }

.footer__col address p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.5;
}

.footer__col address a {
    color: rgba(255,255,255,0.6);
    transition: color var(--transition);
}

.footer__col address a:hover { color: var(--color-white); }

.footer__bottom {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
    text-align: center;
}

.footer__bottom p {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.4);
}

.footer__legal {
    display: flex;
    gap: 1.25rem;
}

.footer__legal a {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.45);
    transition: color var(--transition);
}

.footer__legal a:hover { color: rgba(255,255,255,0.9); }

/* =============================================
   FOCUS VISIBLE (accessibility)
   ============================================= */
:focus-visible {
    outline: 3px solid var(--color-primary-light);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* =============================================
   RESPONSIVE – TABLET (≥ 640px)
   ============================================= */
@media (min-width: 640px) {
    :root { --padding-x: 2rem; }

    .services-grid { grid-template-columns: 1fr 1fr; }
    .service-card--featured { grid-column: 1 / -1; }

    .projects-grid { grid-template-columns: 1fr 1fr; }
    .projects-grid .project-card:last-child { grid-column: 1 / -1; }

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

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

    .footer__bottom { flex-direction: row; justify-content: space-between; text-align: left; }

    .trust-divider { display: block; }
}

/* =============================================
   RESPONSIVE – DESKTOP (≥ 900px)
   ============================================= */
@media (min-width: 900px) {
    :root { --padding-x: 2.5rem; }

    /* Header */
    .nav__list { display: flex; }
    .header__cta { display: inline-flex; }
    .hamburger { display: none; }
    .mobile-nav { display: none; }

    /* Services */
    .services-grid { grid-template-columns: repeat(3, 1fr); }
    .service-card--featured { grid-column: auto; }

    /* About */
    .about {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
        align-items: center;
    }

    /* Projects */
    .projects-grid { grid-template-columns: repeat(3, 1fr); }
    .projects-grid .project-card:last-child { grid-column: auto; }

    /* Contact */
    .contact { grid-template-columns: 5fr 7fr; gap: 4rem; align-items: start; }

    /* Footer */
    .footer__main { grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 2.5rem; }
}

/* =============================================
   RESPONSIVE – LARGE (≥ 1200px)
   ============================================= */
@media (min-width: 1200px) {
    :root { --padding-x: 3rem; }

    .section { padding-top: 6rem; padding-bottom: 6rem; }
}

/* =============================================
   PRINT
   ============================================= */
@media print {
    .header, .hamburger, .mobile-nav, .hero__actions, .contact-form { display: none; }
    .hero { min-height: auto; padding: 2rem 0; }
    * { box-shadow: none !important; }
}