/* ===================================
   CSS Custom Properties
   =================================== */
:root {
    --clr-dark:        #080E1A;
    --clr-dark-2:      #0D1626;
    --clr-dark-3:      #111827;
    --clr-teal:        #0FA89A;
    --clr-teal-light:  #14C4B4;
    --clr-teal-dark:   #0A8A7D;
    --clr-teal-muted:  rgba(15, 168, 154, 0.10);
    --clr-white:       #FFFFFF;
    --clr-off-white:   #F8FAFC;
    --clr-gray-100:    #F1F5F9;
    --clr-gray-200:    #E2E8F0;
    --clr-gray-400:    #94A3B8;
    --clr-gray-500:    #64748B;
    --clr-gray-700:    #334155;
    --clr-gray-900:    #0F172A;

    --font-display: 'Playfair Display', Georgia, serif;
    --font-body:    'Inter', system-ui, -apple-system, sans-serif;

    --section-py:    96px;
    --container-px:  24px;
    --container-max: 1200px;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
    --shadow-lg: 0 20px 48px rgba(0,0,0,0.12), 0 8px 16px rgba(0,0,0,0.06);

    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-body);
    color: var(--clr-gray-900);
    background: var(--clr-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ===================================
   Utilities
   =================================== */
.container {
    width: 100%;
    max-width: calc(var(--container-max) + var(--container-px) * 2);
    margin: 0 auto;
    padding: 0 var(--container-px);
}

.section-label {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--clr-teal);
    margin-bottom: 14px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--clr-gray-900);
    line-height: 1.15;
    margin-bottom: 16px;
}

.section-title--light { color: var(--clr-white); }

.section-subtitle {
    font-size: 1.05rem;
    color: var(--clr-gray-500);
    max-width: 560px;
    line-height: 1.75;
}

.section-subtitle--light { color: rgba(255,255,255,0.5); }

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header .section-subtitle { margin: 0 auto; }

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    transition: all var(--transition);
    white-space: nowrap;
    cursor: pointer;
}

.btn--primary {
    background: var(--clr-teal);
    color: var(--clr-white);
}

.btn--primary:hover {
    background: var(--clr-teal-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(15, 168, 154, 0.35);
}

.btn--outline {
    background: transparent;
    color: var(--clr-white);
    border: 1.5px solid rgba(255,255,255,0.3);
}

.btn--outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.6);
    transform: translateY(-2px);
}

.btn--dark {
    background: var(--clr-gray-900);
    color: var(--clr-white);
}

.btn--dark:hover {
    background: var(--clr-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

/* ===================================
   Navigation
   =================================== */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 22px 0;
    transition: background var(--transition), padding var(--transition), box-shadow var(--transition), transform 0.35s ease;
}

.nav--hidden {
    transform: translateY(-100%);
}

.nav.scrolled {
    background: rgba(8, 14, 26, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    padding: 14px 0;
    box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.nav__container {
    max-width: calc(var(--container-max) + var(--container-px) * 2);
    margin: 0 auto;
    padding: 0 var(--container-px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.nav__logo-mark {
    width: 48px;
    height: 38px;
    background: var(--clr-teal);
    color: var(--clr-white);
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    flex-shrink: 0;
    transition: background var(--transition);
}

.nav__logo:hover .nav__logo-mark { background: var(--clr-teal-dark); }

.nav__logo-text {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--clr-white);
    line-height: 1;
}

.nav__logo-text span {
    display: block;
    font-size: 0.58rem;
    font-weight: 400;
    letter-spacing: 0.22em;
    color: var(--clr-gray-400);
    margin-top: 3px;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav__link {
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255,255,255,0.7);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}

.nav__link:hover {
    color: var(--clr-white);
    background: rgba(255,255,255,0.08);
}

.nav__link.active { color: var(--clr-teal-light); }

.nav__link--cta {
    background: var(--clr-teal);
    color: var(--clr-white);
    margin-left: 8px;
    padding: 10px 20px;
}

.nav__link--cta:hover {
    background: var(--clr-teal-dark);
    color: var(--clr-white);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
}

.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--clr-white);
    border-radius: 2px;
    transition: all var(--transition);
    transform-origin: center;
}

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

.nav__actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 2px;
}

.lang-divider {
    color: rgba(255,255,255,0.25);
    font-size: 0.7rem;
    line-height: 1;
    pointer-events: none;
}

.lang-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.4);
    padding: 4px 7px;
    border-radius: 4px;
    transition: color var(--transition), background var(--transition);
    line-height: 1;
}

.lang-btn:hover { color: var(--clr-white); background: rgba(255,255,255,0.08); }
.lang-btn.active { color: var(--clr-teal-light); }

/* ===================================
   Hero
   =================================== */
.hero {
    min-height: 100vh;
    background:
        radial-gradient(ellipse at 75% 45%, rgba(15, 168, 154, 0.20) 0%, transparent 55%),
        radial-gradient(ellipse at 15% 85%, rgba(15, 168, 154, 0.08) 0%, transparent 40%),
        linear-gradient(160deg, var(--clr-dark) 0%, var(--clr-dark-2) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero__bg-grid {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 36px 36px;
    pointer-events: none;
}

.hero__container {
    max-width: calc(var(--container-max) + var(--container-px) * 2);
    margin: 0 auto;
    padding: 0 var(--container-px);
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
    align-items: center;
}

.hero__content { color: var(--clr-white); }

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--clr-teal-light);
    border: 1px solid rgba(15, 168, 154, 0.35);
    background: rgba(15, 168, 154, 0.06);
    padding: 7px 16px;
    border-radius: 100px;
    margin-bottom: 28px;
}

.hero__headline {
    font-family: var(--font-display);
    font-size: clamp(2.6rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero__headline--accent {
    color: var(--clr-teal-light);
    display: block;
}

.hero__subline {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.75;
    max-width: 480px;
    margin-bottom: 28px;
}

.hero__certs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 40px;
}

.cert-badge {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.55);
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.04);
    padding: 5px 12px;
    border-radius: 4px;
}

.hero__actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Hero stats cards */
.hero__visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.hero__card {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-md);
    padding: 28px 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.hero__card:hover {
    background: rgba(15, 168, 154, 0.10);
    border-color: rgba(15, 168, 154, 0.30);
    transform: translateY(-3px);
}

.hero__card-icon {
    width: 38px;
    height: 38px;
    color: var(--clr-teal-light);
}

.hero__card-icon svg { width: 100%; height: 100%; }

.hero__card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--clr-white);
    font-family: var(--font-display);
    line-height: 1;
}

.hero__card-value--check {
    font-size: 1.6rem;
    color: var(--clr-teal-light);
    font-family: var(--font-body);
}

.hero__card-label {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.45);
    font-weight: 500;
}

.hero__scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
}

.hero__scroll-line {
    width: 1px;
    height: 52px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% { opacity: 0.3; transform: scaleY(1) translateY(0); }
    50%       { opacity: 1;   transform: scaleY(0.6) translateY(8px); }
}

/* ===================================
   About
   =================================== */
.about {
    padding: var(--section-py) 0;
    background: var(--clr-off-white);
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about__lead {
    font-size: 1.05rem;
    color: var(--clr-gray-700);
    line-height: 1.8;
    margin-bottom: 14px;
    font-weight: 500;
}

.about__body {
    color: var(--clr-gray-500);
    line-height: 1.8;
    margin-bottom: 32px;
}

.about__values {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 40px;
}

.about__value {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--clr-gray-700);
    font-weight: 500;
}

.about__value-dot {
    width: 8px;
    height: 8px;
    background: var(--clr-teal);
    border-radius: 50%;
    flex-shrink: 0;
}

.about__visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
}

.about__portrait-wrap {
    position: relative;
    width: 260px;
    height: 260px;
}

.about__portrait-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--clr-dark) 0%, #1a2d4a 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--clr-teal-light);
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-lg);
}

.about__portrait-deco {
    position: absolute;
    top: 14px;
    left: 14px;
    right: -14px;
    bottom: -14px;
    border: 2px solid rgba(15, 168, 154, 0.25);
    border-radius: var(--radius-lg);
    z-index: 0;
}

.about__quote {
    background: var(--clr-white);
    border-left: 3px solid var(--clr-teal);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: 22px 26px;
    box-shadow: var(--shadow-sm);
    max-width: 320px;
}

.about__quote p {
    font-size: 0.9rem;
    color: var(--clr-gray-700);
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 10px;
}

.about__quote span {
    font-size: 0.78rem;
    color: var(--clr-teal);
    font-weight: 600;
}

/* ===================================
   Services
   =================================== */
.services {
    padding: var(--section-py) 0;
    background: var(--clr-white);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--clr-off-white);
    border: 1px solid var(--clr-gray-200);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--clr-teal), var(--clr-teal-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
    background: var(--clr-white);
}

.service-card:hover::after { transform: scaleX(1); }

.service-card__icon {
    width: 52px;
    height: 52px;
    background: var(--clr-teal-muted);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-teal);
    margin-bottom: 18px;
    padding: 12px;
    transition: background var(--transition);
}

.service-card:hover .service-card__icon { background: rgba(15, 168, 154, 0.18); }
.service-card__icon svg { width: 100%; height: 100%; }

.service-card__cert {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--clr-teal);
    margin-bottom: 10px;
}

.service-card__title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--clr-gray-900);
    margin-bottom: 12px;
    line-height: 1.3;
}

.service-card__desc {
    font-size: 0.875rem;
    color: var(--clr-gray-500);
    line-height: 1.75;
    margin-bottom: 22px;
}

.service-card__list {
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.service-card__list li {
    font-size: 0.84rem;
    color: var(--clr-gray-700);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-card__list li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--clr-teal);
    border-radius: 50%;
    flex-shrink: 0;
}

/* ===================================
   References
   =================================== */
.references {
    padding: var(--section-py) 0;
    background: var(--clr-dark);
}

.references .section-label { color: var(--clr-teal-light); }

.references__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.ref-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: all var(--transition);
}

.ref-card:hover {
    background: rgba(15, 168, 154, 0.07);
    border-color: rgba(15, 168, 154, 0.22);
    transform: translateY(-3px);
}

.ref-card__stars {
    color: var(--clr-teal-light);
    font-size: 1rem;
    letter-spacing: 3px;
    margin-bottom: 18px;
}

.ref-card__text {
    font-size: 0.93rem;
    color: rgba(255,255,255,0.72);
    line-height: 1.75;
    font-style: italic;
    margin-bottom: 24px;
}

.ref-card__client {
    display: flex;
    align-items: center;
    gap: 14px;
}

.ref-card__avatar {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--clr-teal-dark), var(--clr-teal));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--clr-white);
    flex-shrink: 0;
}

.ref-card__name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--clr-white);
    margin-bottom: 3px;
}

.ref-card__company {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.38);
}

/* ===================================
   Contact
   =================================== */
.contact {
    padding: var(--section-py) 0;
    background: var(--clr-off-white);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact__lead {
    font-size: 1rem;
    color: var(--clr-gray-500);
    line-height: 1.8;
    margin-bottom: 40px;
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: 26px;
    margin-bottom: 32px;
}

.contact__detail {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact__detail-icon {
    width: 44px;
    height: 44px;
    background: var(--clr-teal-muted);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-teal);
    flex-shrink: 0;
    padding: 10px;
}

.contact__detail-icon svg { width: 100%; height: 100%; }

.contact__detail-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--clr-gray-400);
    margin-bottom: 5px;
}

.contact__detail-value {
    display: block;
    font-size: 0.9rem;
    color: var(--clr-gray-700);
    font-weight: 500;
    line-height: 1.65;
    transition: color var(--transition);
}

a.contact__detail-value:hover { color: var(--clr-teal); }

.contact__response-note {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--clr-gray-500);
    font-weight: 500;
}

.contact__response-note svg {
    width: 18px;
    height: 18px;
    color: var(--clr-teal);
    flex-shrink: 0;
}

/* Form */
.contact__form {
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    padding: 44px;
    box-shadow: var(--shadow-md);
}

.form-group { margin-bottom: 20px; }

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--clr-gray-700);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 13px 16px;
    border: 1.5px solid var(--clr-gray-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--clr-gray-900);
    background: var(--clr-off-white);
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--clr-teal);
    box-shadow: 0 0 0 3px rgba(15, 168, 154, 0.14);
    background: var(--clr-white);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--clr-gray-400); }

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

.form-note {
    text-align: center;
    font-size: 0.78rem;
    color: var(--clr-gray-400);
    margin-top: 14px;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--clr-dark);
    padding: 72px 0 0;
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.2fr 1.5fr;
    gap: 48px;
    margin-bottom: 52px;
}

.footer__tagline {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.38);
    margin-top: 14px;
    line-height: 1.65;
    max-width: 240px;
}

.footer__certs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.footer__certs span {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.3);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 4px 10px;
    border-radius: 4px;
}

.footer__links h4,
.footer__contact h4 {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.35);
    margin-bottom: 18px;
}

.footer__links ul {
    display: flex;
    flex-direction: column;
    gap: 11px;
}

.footer__links ul li a {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.55);
    transition: color var(--transition);
}

.footer__links ul li a:hover { color: var(--clr-teal-light); }

.footer__contact p {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.55);
    margin-bottom: 10px;
    line-height: 1.6;
}

.footer__contact a {
    color: rgba(255,255,255,0.55);
    transition: color var(--transition);
}

.footer__contact a:hover { color: var(--clr-teal-light); }

.footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.footer__bottom p {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.28);
}

.footer__legal { display: flex; gap: 24px; }

.footer__legal a {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.28);
    transition: color var(--transition);
}

.footer__legal a:hover { color: rgba(255,255,255,0.6); }

/* ===================================
   Scroll Progress Bar
   =================================== */
.scroll-progress {
    position: fixed;
    top: 0; left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--clr-teal), var(--clr-teal-light));
    z-index: 9999;
    transition: width 0.1s linear;
}

/* ===================================
   Process / Wie ich arbeite
   =================================== */
.process {
    padding: var(--section-py) 0;
    background: var(--clr-white);
}

.process__steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
}

.process__steps::before {
    content: '';
    position: absolute;
    top: 52px;
    left: calc(12.5% + 24px);
    right: calc(12.5% + 24px);
    height: 1px;
    background: linear-gradient(90deg, var(--clr-teal) 0%, rgba(15,168,154,0.2) 100%);
    z-index: 0;
}

.process__step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.process__step-num {
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--clr-teal);
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.process__step-icon {
    width: 56px;
    height: 56px;
    background: var(--clr-teal-muted);
    border: 2px solid rgba(15,168,154,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-teal);
    padding: 14px;
    margin-bottom: 22px;
    transition: all var(--transition);
}

.process__step:hover .process__step-icon {
    background: var(--clr-teal);
    border-color: var(--clr-teal);
    color: var(--clr-white);
    transform: scale(1.08);
}

.process__step-icon svg { width: 100%; height: 100%; }

.process__step h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--clr-gray-900);
    margin-bottom: 12px;
}

.process__step p {
    font-size: 0.85rem;
    color: var(--clr-gray-500);
    line-height: 1.75;
}

/* ===================================
   Form Success Message
   =================================== */
.form-success {
    display: none;
    align-items: center;
    gap: 16px;
    background: rgba(15, 168, 154, 0.08);
    border: 1px solid rgba(15, 168, 154, 0.3);
    border-radius: var(--radius-md);
    padding: 18px 22px;
    margin-top: 16px;
}

.form-success.is-visible { display: flex; }

.form-success svg {
    width: 28px;
    height: 28px;
    color: var(--clr-teal);
    flex-shrink: 0;
}

.form-success strong {
    display: block;
    font-size: 0.9rem;
    color: var(--clr-gray-900);
    margin-bottom: 3px;
}

.form-success span {
    font-size: 0.82rem;
    color: var(--clr-gray-500);
    line-height: 1.5;
}

/* ===================================
   Scroll Animations
   =================================== */
[data-animate] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}

[data-animate].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   Responsive — Tablet
   =================================== */
@media (max-width: 1024px) {
    :root { --section-py: 80px; }

    .hero__container {
        grid-template-columns: 1fr;
        gap: 52px;
    }

    .hero__visual {
        grid-template-columns: repeat(4, 1fr);
        max-width: 560px;
    }

    .about__grid {
        grid-template-columns: 1fr;
        gap: 52px;
    }

    .about__visual { order: -1; }

    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }

    .footer__brand { grid-column: 1 / -1; }
}

/* ===================================
   Responsive — Mobile
   =================================== */
@media (max-width: 768px) {
    :root { --section-py: 64px; }

    /* Mobile nav */
    .nav__toggle { display: flex; }

    .nav__links {
        position: fixed;
        top: 0; right: -100%;
        height: 100vh;
        width: 280px;
        background: var(--clr-dark-2);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 28px 40px;
        gap: 4px;
        transition: right var(--transition);
        box-shadow: -20px 0 60px rgba(0,0,0,0.4);
        z-index: 99;
    }

    .nav__links.is-open { right: 0; }

    .nav__link {
        font-size: 1rem;
        width: 100%;
        padding: 12px 16px;
    }

    .nav__link--cta { margin-left: 0; margin-top: 0; background: none; color: rgba(255,255,255,0.7); }

    /* Hero */
    .hero__visual {
        grid-template-columns: 1fr 1fr;
        max-width: none;
    }

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

    /* Process */
    .process__steps {
        grid-template-columns: 1fr 1fr;
        gap: 40px 24px;
    }
    .process__steps::before { display: none; }

    /* References */
    .references__grid { grid-template-columns: 1fr; }

    /* Contact */
    .contact__grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .contact__form { padding: 28px 24px; }

    /* Footer */
    .footer__grid { grid-template-columns: 1fr; gap: 36px; }
    .footer__brand { grid-column: auto; }

    .footer__bottom {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .hero__actions { flex-direction: column; }
    .hero__card { padding: 20px 16px; }
    .service-card { padding: 28px 24px; }
    .ref-card { padding: 26px 24px; }
}